Acipenser transmontanus NatureServe Explorer Species Reports -- NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and <a href="https://www.earth.com/image/the-fall-rhapsody-in-ottawa/">Canada</a>. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

ITIS Reports -- ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of<a href="https://www.bing.com/search?q=north+america&amp;cvid=d55013d210f7439f8ca981b3b73576f2&amp;aqs=edge.0.69i59l2j69i60j69i57j69i60l2j69i59.492j0j4&amp;FORM=ANAB01&amp;PC=HCTS"> North America</a> and the world.

FWS Digital Media Library -- The U.S. Fish and Wildlife Service's National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video.White sturgeon (Acipenser transmontanus) is a species of sturgeon in the family Acipenseridae of the order Acipenseriformes. They are an anadromous fish species ranging in the Eastern Pacific; from the Gulf of Alaska to Monterey, California. However, some are landlocked in the Columbia River Drainage, Montana, and Lake Shasta in California, with reported sightings in northern Baja California, Mexico.Actinopterygii (ray-finned fishes) &gt; Acipenseriformes (Sturgeons and paddlefishes) &gt; Acipenseridae (Sturgeons) &gt; Acipenserinae Etymology: : Latin, = sturgeon, 1853 (Ref. 45335); transmontanus: The specific name is derived from the Latin acipenser (sturgeon), trans (beyond), and montanus (mountain) (Ref. 27436).More on author: Richardson.

Acipenser transmontanus

Acipenser transmontanus NatureServe Explorer Species Reports -- NatureServe Explorer is a source for authoritative conservation...

Pseudemys alabamensis NatureServe Explorer Species Reports -- NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and <a href="https://www.earth.com/image/the-fall-rhapsody-in-ottawa/">Canada.</a> NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

ITIS Reports -- Pseudemys alabamensis ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of <a href="https://www.bing.com/search?q=north+america&amp;cvid=2d5e1c0d68664501b06a6d40bd669f1d&amp;aqs=edge.0.69i59j69i57j0l3j69i60l2.1338j0j1&amp;pglt=299&amp;FORM=ANNTA1&amp;PC=HCTS">North America</a> and the world. The Alabama red-bellied cooter or Alabama red-bellied turtle, is native to Alabama. It belongs to the turtle family Emydidae, the pond turtles. It is the official reptile of the state of Alabama. The red-belly inhabits the fresh to brackish waters of the <a class="mw-redirect" title="Mobile-Tensaw River Delta" href="https://en.wikipedia.org/wiki/Mobile-Tensaw_River_Delta">Mobile-Tensaw River Delta</a> in <a class="mw-redirect" title="Mobile County" href="https://en.wikipedia.org/wiki/Mobile_County">Mobile</a> and <a title="Baldwin County, Alabama" href="https://en.wikipedia.org/wiki/Baldwin_County,_Alabama">Baldwin</a> counties. It feeds on aquatic vegetation and can be found sunning itself on logs. Nesting of the red-bellied turtle occurs from May through July. Female turtles lay their eggs on dry land, digging nests in sandy soil, where 4 to 9 eggs are laid. Hatchlings usually emerge during the summer. However, when the turtles nest in late July, hatchlings may overwinter in the nest and emerge the following spring

FWS Digital Media Library -- The U.S. Fish and Wildlife Service's National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video.

Pseudemys alabamensis

Pseudemys alabamensis NatureServe Explorer Species Reports -- NatureServe Explorer is...

Pseudemys rubriventris bangsi NatureServe Explorer Species Reports -- NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and <a href="https://www.earth.com/image/the-fall-rhapsody-in-ottawa/">Canada.</a> NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network. The Plymouth red-bellied turtle (Pseudemys rubriventris bangsi), sometimes called the Plymouth red-bellied cooter, was the first freshwater turtle in the US to be listed as endangered by the United States Fish and Wildlife Service. Current thinking is that they are not a full subspecies and that they belong in synonymy under Pseudemys rubriventris or northern red-bellied cooter. Nevertheless, it is well recognized that the Plymouth red-bellied turtle extends the range of the northern red-bellied cooter by 30–40 percent.

ITIS Reports -- ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of <a href="https://www.bing.com/search?q=north+america&amp;cvid=25eb6d4cd09d44c29661552efe7c1a7c&amp;aqs=edge.0.69i59j69i57j0l5.3245j0j9&amp;FORM=ANAB01&amp;PC=HCTS">North America</a> and the world. This turtle gets its name from its reddish <a href="https://www.bing.com/search?q=Plastron%20wikipedia&amp;form=WIKIRE">plastron</a> or undershell. They have flattened or slightly concave vertebral <a href="https://www.bing.com/search?q=Scute%20wikipedia&amp;form=WIKIRE">scutes</a> with a red bar on each marginal scute. Their upper shell or <a href="https://www.bing.com/search?q=Carapace%20wikipedia&amp;form=WIKIRE">carapace</a> ranges from brown to black. An arrow-shaped stripe runs atop head, between the eyes, to their snout. Adults are 10–12.5 inches (25–32 cm). Males have elongated, straight claws on the front feet.

FWS Digital Media Library -- The U.S. Fish and Wildlife Service's National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video.

Pseudemys rubriventris bangsi

Pseudemys rubriventris bangsi NatureServe Explorer Species Reports -- NatureServe Explorer...

Pseudibis gigantea NatureServe Explorer Species Reports -- NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and <a href="https://www.earth.com/image/the-fall-rhapsody-in-ottawa/">Canada.</a> NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network. The giant ibis, the only species in the monotypic genus Thaumatibis, is a wading bird of the ibis family, Threskiornithidae. It is confined to northern Cambodia, with a few birds surviving in extreme southern Laos and a recent sighting in Yok Đôn National Park, Vietnam.

ITIS Reports -- ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of <a href="https://www.bing.com/search?q=north+america&amp;cvid=25eb6d4cd09d44c29661552efe7c1a7c&amp;aqs=edge.0.69i59j69i57j0l5.3245j0j9&amp;FORM=ANAB01&amp;PC=HCTS">North America</a> and the world.

FWS Digital Media Library -- The U.S. Fish and Wildlife Service's National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video. The giant ibis is a lowland bird that occurs in <a href="https://www.bing.com/search?q=Marsh%20wikipedia&amp;form=WIKIRE">marshes</a>, <a href="https://www.bing.com/search?q=Swamp%20wikipedia&amp;form=WIKIRE">swamps</a>, <a href="https://www.bing.com/search?q=Lake%20wikipedia&amp;form=WIKIRE">lakes</a>, wide <a href="https://www.bing.com/search?q=River%20wikipedia&amp;form=WIKIRE">rivers</a>, flooded <a href="https://www.bing.com/search?q=Plain%20wikipedia&amp;form=WIKIRE">plains</a> and semi-open <a href="https://www.bing.com/search?q=Forest%20wikipedia&amp;form=WIKIRE">forests</a> as well as pools, ponds and seasonal water-meadows in denser <a href="https://www.bing.com/search?q=Deciduous%20forest%20wikipedia&amp;form=WIKIRE">deciduous forest</a>. It generally is found in lowlands. One bird was collected in a <a href="https://www.bing.com/search?q=Malay%20Peninsula%20wikipedia&amp;form=WIKIRE">Malay</a> <a href="https://www.bing.com/search?q=Paddyfield%20wikipedia&amp;form=WIKIRE">paddyfield</a>. Formerly the giant ibis was believed to breed in eastern Thailand, central and northern Cambodia, southern Laos and southern Vietnam

Pseudibis gigantea

Pseudibis gigantea NatureServe Explorer Species Reports -- NatureServe Explorer is...

Pseudobulweria macgillivrayi NatureServe Explorer Species Reports -- NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and <a href="https://www.earth.com/image/the-fall-rhapsody-in-ottawa/">Canada.</a> NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network. The Fiji petrel, also known as MacGillivray's petrel, is a small, dark gadfly petrel. The Fiji petrel was originally known from one immature specimen found in 1855 on Gau Island, Fiji by naturalist John MacGillivray on board HMS Herald who took the carcass to the British Museum in London. It was rediscovered in 1983, since when there have been a further 21 records, which included the capture and photographing of one adult in April 1984. This species is classified as critically endangered as it is inferred from the number of records that there is only a tiny population of less than 50 confined to a very small breeding area.

ITIS Reports -- ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of <a href="https://www.bing.com/search?q=north+america&amp;cvid=25eb6d4cd09d44c29661552efe7c1a7c&amp;aqs=edge.0.69i59j69i57j0l5.3245j0j9&amp;FORM=ANAB01&amp;PC=HCTS">North America</a> and the world.

FWS Digital Media Library -- The U.S. Fish and Wildlife Service's National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video.

Pseudobulweria macgillivrayi

Pseudobulweria macgillivrayi NatureServe Explorer Species Reports -- NatureServe Explorer is...

Pseudocopaeodes eunus obscurus NatureServe Explorer Species Reports -- NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and <a href="https://www.earth.com/image/the-fall-rhapsody-in-ottawa/">Canada</a>. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network. Pseudocopaeodes eunus is a rare species of butterfly known by the common name alkali skipper. Pseudocopaeodes eunus obscurus It is native to northern California and Nevada in the United States, and Baja California in <a href="https://www.bing.com/search?q=mexico&amp;cvid=4756ab3975ae4b61833fb43e0a1fef94&amp;aqs=edge.0.69i59j0l6.933j0j9&amp;FORM=ANAB01&amp;PC=HCTS">Mexico.</a> There are five subspecies. One, ssp. obscurus, the Carson wandering skipper, is treated as a federally listed endangered species of the United States. As of 2007 there are four known populations. This butterfly is brownish to yellowish orange on the upper side and yellowish below. It is 2.5 to 3.2 centimeters in length. This species occurs on alkali flats. The caterpillar of the species feeds on saltgrass (Distichlis spicata var. stricta). There is little other information about the biology of the species.

ITIS Reports -- ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world.

FWS Digital Media Library -- The U.S. Fish and Wildlife Service's National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video.In the late 1990’s, P. eunus obscurus could be found at three locations: (1) near Carson City, Nevada, (2) at Winnemucca Ranch in Washoe County, Nevada, and (3) near Honey Lake in Lassen County, California. At the first of these, the butterfly appears to have been extirpated due to development and a misguided attempt at wetland restoration.

Pseudocopaeodes eunus obscurus

Pseudocopaeodes eunus obscurus NatureServe Explorer Species Reports -- NatureServe Explorer...

Pseudomys fieldi NatureServe Explorer Species Reports -- NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, <a href="https://www.earth.com/news/humans-are-not-the-only-animals-that-create-their-own-culture/">animals</a> and ecological communtities of the U.S and Canada. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

ITIS Reports -- ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of <a href="https://www.bing.com/search?q=north+america&amp;cvid=6c424e22dcb54a2d88a9cff0dbc6f512&amp;aqs=edge.0.69i59j69i57j0l2j69i60l3.520j0j9&amp;FORM=ANAB01&amp;PC=HCTS">North America</a> and the world. The djoongari (Pseudomys fieldi), also known as the Shark Bay mouse and Alice Springs mouse, is a species of rodent in the murid family. The range of the species in Australia has become restricted to four islands in the Shark Bay area. It was once found throughout the western two thirds of Australia but it suffered greatly after the arrival of Europeans and feral animals. Its range was reduced to coastal sand dunes on Bernier Island, leaving it severely endangered. In 2003 the Australian Wildlife Conservancy (AWC) released some Shark Bay mice onto Faure Island in the hope of creating another population. Despite the presence of owls the reintroduction was successful and the population quickly grew to a larger size than that of Bernier Island, no longer leaving the species on the brink of extinction.

FWS Digital Media Library -- The U.S. Fish and Wildlife Service's National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video.The population was named in a description published by <a href="https://www.bing.com/search?q=Edgar%20Ravenswood%20Waite%20wikipedia&amp;form=WIKIRE">Edgar Ravenswood Waite</a> in 1896, the <a href="https://www.bing.com/search?q=Holotype%20wikipedia&amp;form=WIKIRE">holotype</a> was obtained at <a href="https://www.bing.com/search?q=Alice%20Springs%20wikipedia&amp;form=WIKIRE">Alice Springs</a>; the author allied the new species to the genus <a href="https://www.bing.com/search?q=Mus%20(genus)%20wikipedia&amp;form=WIKIRE">Mus</a>. Another description was provided in 1910 by the mammalogist <a href="https://www.bing.com/search?q=Oldfield%20Thomas%20wikipedia&amp;form=WIKIRE">Oldfield Thomas</a>, a new species named as Pseudomys (Thetomys) praeconis. Thomas described a specimen that was obtained at Shark Bay, where the collector <a href="https://www.bing.com/search?q=Guy%20C.%20Shortridge%20wikipedia&amp;form=WIKIRE">Guy C. Shortridge</a> found the dry skull of a female laying on the ground on <a href="https://www.bing.com/search?q=Bernier%20Island%20wikipedia&amp;form=WIKIRE">Bernier Island</a> at the <a href="https://www.bing.com/search?q=Peron%20Peninsula%20wikipedia&amp;form=WIKIRE">Peron Peninsula</a>; Shortridge reported that he thought the species was locally extinct. Another specimen held at the British Museum, an old female obtained by F. M. Rayner during the voyage of <a href="https://www.bing.com/search?q=HMS%20Herald%20(1824)%20wikipedia&amp;form=WIKIRE">HMS Herald</a> in 1858, was designated as the holotype.

Pseudomys fieldi

Pseudomys fieldi NatureServe Explorer Species Reports -- NatureServe Explorer is...

Pseudomys fumeus NatureServe Explorer Species Reports -- NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and <a href="https://www.earth.com/image/the-fall-rhapsody-in-ottawa/">Canada</a>. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

ITIS Reports -- Pseudomys fumeus ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world. The smoky mouse, fausse souris fuligineuse, raton bastardo fumoso, or Koonoom is a species of rodent in the family Muridae native to southeastern Australia. It was first described in 1934 and its species name is Latin "smoky". As its name suggests, it is a grey-furred mouse, darker grey above and paler smoky grey below. Mice from the Grampians are larger and a darker more slate-grey above. It has a black eye-ring and dark grey muzzle. The feet are light pink, and the ears a grey-pink. The tail is longer than the mouse's body, and is pink with a brownish stripe along the top. Mice from east of Melbourne average around 35 grams and have 107 mm long bodies with 116 mm long tails, while those from the Grampians are around 65 grams and have 122 mm long bodies with 132 mm long tails

FWS Digital Media Library -- The U.S. Fish and Wildlife Service's National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video.

Pseudomys fumeus

Pseudomys fumeus NatureServe Explorer Species Reports -- NatureServe Explorer is...

Pseudomys gouldii NatureServe Explorer Species Reports -- NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and <a href="https://www.earth.com/image/the-fall-rhapsody-in-ottawa/">Canada</a>. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

ITIS Reports -- Pseudomys gouldii ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of <a href="https://www.bing.com/search?q=north+america&amp;cvid=2d5e1c0d68664501b06a6d40bd669f1d&amp;aqs=edge.0.69i59j69i57j0l3j69i60l2.1338j0j1&amp;pglt=299&amp;FORM=ANNTA1&amp;PC=HCTS">North America</a> and the world.

FWS Digital Media Library -- The U.S. Fish and Wildlife Service's National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video. Gould's mouse lived in eastern inland Australia, and was named after John Gould. It was slightly smaller than a black rat, and quite social, living in small family groups that sheltered by day in a nest of soft, dry grass in a burrow. It usually dug burrows at a depth of 15 cm under bushes. Gould's mouse was common and widespread before European settlement, but disappeared rapidly after the 1840s, perhaps being exterminated by cats. Alternatively, it may have been out-competed by the introduced rats and mice, succumbed to introduced diseases or been affected by grazing stock and changed fire regimes. Despite extensive survey work in its known range, the last specimens were collected in 1856–57, and it is presumed to be extinct.

Pseudomys gouldii

Pseudomys gouldii NatureServe Explorer Species Reports -- NatureServe Explorer is...

Pseudomys novaehollandiae NatureServe Explorer Species Reports -- NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and <a href="https://www.earth.com/image/the-fall-rhapsody-in-ottawa/">Canada</a>. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

ITIS Reports -- Pseudomys novaehollandiae ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of <a href="https://www.bing.com/search?q=north+america&amp;cvid=2d5e1c0d68664501b06a6d40bd669f1d&amp;aqs=edge.0.69i59j69i57j0l3j69i60l2.1338j0j1&amp;pglt=299&amp;FORM=ANNTA1&amp;PC=HCTS">North America</a> and the world.The New Holland mouse is a species of rodent in the family Muridae. It was first described by George Waterhouse in 1843. It vanished from view for over a century before its rediscovery in Ku-ring-gai Chase National Park north of Sydney in 1967. It is found only in south east Australia, within the states of New South Wales, Queensland, Victoria, and Tasmania.

FWS Digital Media Library -- The U.S. Fish and Wildlife Service's National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video. The New Holland mouse has a grey-brown fur with a dusky-brown tail, which is darker on the dorsal side. Its body length is roughly 65-90mm, with a tail length of 80–105 mm (3.1–4.1 in), and a hind foot length of approximately 20–22 mm (0.79–0.87 in). The New Holland mouse's size has been shown to vary slightly depending on the environment. Populations of New Holland mice that live in Tasmania, have a slightly larger body weight than those that are from New South Wales and Victoria. Despite this, however, the head shape and length share the measurements as in Tasmania, New South Wales, and Victoria.

Pseudomys novaehollandiae

Pseudomys novaehollandiae NatureServe Explorer Species Reports -- NatureServe Explorer is...

Pseudomys occidentalis NatureServe Explorer Species Reports -- NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and <a href="https://www.earth.com/image/lake-st-clair-of-the-u-s-and-canada/">Canada.</a> NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

ITIS Reports -- ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of <a href="https://www.bing.com/search?q=north+america&amp;cvid=2d5e1c0d68664501b06a6d40bd669f1d&amp;aqs=edge.0.69i59j69i57j0l3j69i60l2.1338j0j1&amp;pglt=299&amp;FORM=ANNTA1&amp;PC=HCTS">North America</a> and the world.

FWS Digital Media Library -- The U.S. Fish and Wildlife Service's National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video. The western mouse or walyadji refers to Pseudomys occidentalis, a species of rodent in the family Muridae. Once widespread across a larger range, it has become restricted to around ten reserves of remnant bushland in Southwest Australia and declared near threatened by extinction. They are small and robust mice that live in burrows in sandy soil, venturing out at night to forage in nearby area. Assigned to a diverse and poorly resolved genus, <a href="https://www.bing.com/search?q=Pseudomys%20wikipedia&amp;form=WIKIRE">Pseudomys</a>, the describing author allied the species to a subgeneric classification as Gyomys.

The term walyadji is used to refer to the species, but this word does not appear in a literature review of <a href="https://www.bing.com/search?q=Noongar%20language%20wikipedia&amp;form=WIKIRE">Noongar language</a> names for mammals of the region.

Pseudomys occidentalis

Pseudomys occidentalis NatureServe Explorer Species Reports -- NatureServe Explorer is...

Pseudomys praeconis NatureServe Explorer Species Reports -- NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and <a href="https://www.earth.com/image/the-fall-rhapsody-in-ottawa/">Canada</a>. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

ITIS Reports -- Pseudomys praeconis ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of <a href="https://www.bing.com/search?q=north+america&amp;cvid=2d5e1c0d68664501b06a6d40bd669f1d&amp;aqs=edge.0.69i59j69i57j0l3j69i60l2.1338j0j1&amp;pglt=299&amp;FORM=ANNTA1&amp;PC=HCTS">North America</a> and the world. The djoongari, also known as the Shark Bay mouse and Alice Springs mouse, is a species of rodent in the murid family. The range of the species in Australia has become restricted to four islands in the Shark Bay area. It was once found throughout the western two thirds of Australia but it suffered greatly after the arrival of Europeans and feral animals. Its range was reduced to coastal sand dunes on Bernier Island, leaving it severely endangered. In 2003 the Australian Wildlife Conservancy released some Shark Bay mice onto Faure Island in the hope of creating another population. Despite the presence of owls the reintroduction was successful and the population quickly grew to a larger size than that of Bernier Island, no longer leaving the species on the brink of extinction.

FWS Digital Media Library -- The U.S. Fish and Wildlife Service's National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video.

Pseudomys praeconis

Pseudomys praeconis NatureServe Explorer Species Reports -- NatureServe Explorer is...

Pseudomys shortridgei NatureServe Explorer Species Reports -- NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and <a href="https://www.earth.com/image/the-fall-rhapsody-in-ottawa/">Canada</a>. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

ITIS Reports -- ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of <a href="https://www.bing.com/search?q=north+america&amp;cvid=2d5e1c0d68664501b06a6d40bd669f1d&amp;aqs=edge.0.69i59j69i57j0l3j69i60l2.1338j0j1&amp;pglt=299&amp;FORM=ANNTA1&amp;PC=HCTS">North America</a> and the world. A larger species of the Pseudomys, a genus of Australian rodents, with a body mass in a range from 55 to 90 grams for an average weight of 70 grams. The head and body length of 95 to 120 millimeters and the tail length of 85 to 100 mm is always proportionally shorter. The pelage is densely furred and their body is comparatively stocky, the tail is well covered in dark brown hair at the upper side and a whitish colour below. Pseudomys shortridgei have a broad face and short muzzle, and rounded ears

FWS Digital Media Library -- The U.S. Fish and Wildlife Service's National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video.

Pseudomys shortridgei

Pseudomys shortridgei NatureServe Explorer Species Reports -- NatureServe Explorer is...

Pseudonestor xanthophrys NatureServe Explorer Species Reports -- NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and <a href="https://www.earth.com/image/the-fall-rhapsody-in-ottawa/">Canada</a>. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

ITIS Reports -- ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of <a href="https://www.bing.com/search?q=north+america&amp;cvid=2d5e1c0d68664501b06a6d40bd669f1d&amp;aqs=edge.0.69i59j69i57j0l3j69i60l2.1338j0j1&amp;pglt=299&amp;FORM=ANNTA1&amp;PC=HCTS">North America</a> and the world. The Maui parrotbill or kiwikiu is a species of Hawaiian honeycreeper, that is endemic to Maui in Hawaii. It can only be found in 50 square kilometres of mesic and wet forests at 1,200–2,150 metres on the windward slopes of Haleakalā. This species is critically endangered, with an estimated population in 2016 of 250-540 individuals, but more recent estimates of less than 150 individuals. Fossil evidence indicates that the bird could at one time be seen in dry forests at elevations as low as 200–300 metres, as well as on the island of Molokaʻi.

FWS Digital Media Library -- The U.S. Fish and Wildlife Service's National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video.

Pseudonestor xanthophrys

Pseudonestor xanthophrys NatureServe Explorer Species Reports -- NatureServe Explorer is...

Pseudorca crassidens NatureServe Explorer Species Reports -- NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and <a href="https://www.earth.com/image/the-fall-rhapsody-in-ottawa/">Canada</a>. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

ITIS Reports -- ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of <a href="https://www.bing.com/search?q=north+america&amp;cvid=6c424e22dcb54a2d88a9cff0dbc6f512&amp;aqs=edge.0.69i59j69i57j0l2j69i60l3.520j0j9&amp;FORM=ANAB01&amp;PC=HCTS">North America</a> and the world. The false killer whale is a species of oceanic dolphin that is the only extant representative of the genus Pseudorca. It is found in oceans worldwide but mainly frequents tropical regions. It was first described in 1846 as a species of porpoise based on a skull, which was revised when the first carcasses were observed in 1861. The name "false killer whale" comes from the similar skull characteristics to the killer whale. In 1846, <a href="https://www.bing.com/search?q=Zoologist%20wikipedia&amp;form=WIKIRE">zoologist</a> <a href="https://www.bing.com/search?q=John%20Edward%20Gray%20wikipedia&amp;form=WIKIRE">John Edward Gray</a> assigned the false killer whale to the genus <a href="https://www.bing.com/search?q=Orcinus%20wikipedia&amp;form=WIKIRE">Orca</a> with the <a href="https://www.bing.com/search?q=Killer%20whale%20wikipedia&amp;form=WIKIRE">killer whale</a> (now Orcinus orca). Until 1861, when the first carcasses washed up on the shores of <a href="https://www.bing.com/search?q=Kiel%20Bay%20wikipedia&amp;form=WIKIRE">Kiel Bay</a> in Denmark, the species was thought to be extinct. Based on these and a pod that <a href="https://www.bing.com/search?q=Cetacean%20stranding%20wikipedia&amp;form=WIKIRE">beached</a> itself three months later in November, zoologist <a href="https://www.bing.com/search?q=Johannes%20Theodor%20Reinhardt%20wikipedia&amp;form=WIKIRE">Johannes Theodor Reinhardt</a> moved the species in 1862 to the newly erected genus Pseudorca, which established it as being neither a porpoise nor a killer whale. However, the name "false killer whale" comes from the apparent similarity between its skull and that of the killer whale.

FWS Digital Media Library -- The U.S. Fish and Wildlife Service's National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video.

Pseudorca crassidens

Pseudorca crassidens NatureServe Explorer Species Reports -- NatureServe Explorer is...

Pseudotryonia adamantina NatureServe Explorer Species Reports -- NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, <a href="https://www.earth.com/news/humans-are-not-the-only-animals-that-create-their-own-culture/">animals</a> and ecological communtities of the U.S and Canada. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

FWS Digital Media Library -- The U.S. <a href="https://www.bing.com/search?q=fish&amp;cvid=27bb0f4f95da4d4cb00d76b7e35d6991&amp;aqs=edge.0.69i59j0l6.571j0j9&amp;FORM=ANAB01&amp;PC=HCTS">Fish</a> and Wildlife Service's National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video. Adamantine in various pure, alloyed or raw forms have historically been referred to by different names, including adamantite, adamant and adamantium (see Nomenclature, below). Adamantine is an extremely hard, black metal.Cochliopidae is a family of small freshwater snails with gills and an operculum, aquatic gastropod mollusks.Paludestrina d'Orbigny, 1840 is an archaic synonym, and has been placed on the Official Index of Rejected and Invalid Names by ICZN Opinion 2202.. This family is in the superfamily Truncatelloidea and in the clade Littorinimorpha (according to the taxonomy of the Gastropoda

FOR2 The Drow of the Underdark (2e) (1991) describes (p.32) that "adamantium" is a form of pure forged adamantite, with "adamantite" itself also used to create some items. The name "adamantine" is used to describe as a hard and flexible alloy of adamantite, made from adamantite ore, from which drow weapons and armor are made.

Pseudotryonia adamantina

Pseudotryonia adamantina NatureServe Explorer Species Reports -- NatureServe Explorer is...

Psittacula echo NatureServe Explorer Species Reports -- NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and <a href="https://www.earth.com/image/the-fall-rhapsody-in-ottawa/">Canada.</a> NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

ITIS Reports -- Psittacula echo ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of <a href="https://www.bing.com/search?q=north+america&amp;cvid=269e777c665a4ebda16fa245099f706a&amp;aqs=edge.0.69i59j69i57j0l5.1505j0j9&amp;FORM=ANAB01&amp;PC=HCTS">North America</a> and the world.

FWS Digital Media Library -- The U.S. Fish and Wildlife Service's National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video. The echo parakeet is a species of parrot endemic to the Mascarene Islands of Mauritius and formerly Réunion. It is the only living native parrot of the Mascarene Islands; all others have become extinct due to human activity. Two subspecies have been recognised, the extinct Réunion parakeet and the living echo parakeet, sometimes known as the Mauritius parakeet.

The relationship between the two populations was historically unclear, but a 2015 DNA study determined them to be subspecies of the same species by comparing the DNA of echo parakeets with a single skin thought to be from a Réunion parakeet. As it was named first, the binomial name of the Réunion parakeet is used for the species. Whether the contemporary illustrations were based on live or stuffed specimens is unknown; though as all show different poses, this suggests several specimens existed if they were mounted. Neither is it clear if the descriptions from France were based on different or the same imported specimens nor how many reached Europe. Levaillant knew of two specimens, and as many as five may have existed.

Psittacula echo

Psittacula echo NatureServe Explorer Species Reports -- NatureServe Explorer is...

Psittirostra psittacea NatureServe Explorer Species Reports -- NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and <a href="https://www.earth.com/image/the-fall-rhapsody-in-ottawa/">Canada</a>. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

Psittirostra psittacea The ʻōʻū, is a species of Hawaiian honeycreeper, that is endemic to the Hawaiian islands. It has a dark green back and olive green underparts; males have a yellow head while females have a green head. Its unusual beak seems to be adapted to feeding on the fruits of Freycinetia arborea. It has a strong flight which it uses to fly considerable distances in search of this Hawaiian endemic vine, but will eat other fruits, buds, flowers and insects.

ITIS Reports --The ʻōʻū is a large, plump forest <a href="https://www.bing.com/search?q=bird&amp;cvid=2a47554a778b46b08252d77faa1250fd&amp;aqs=edge..69i57j0l6.1779j0j9&amp;FORM=ANAB01&amp;PC=HCTS">bird</a> measuring 17 centimetres (6.7 in) in length. Males have a bright yellow head, dark green back, and an olive-green belly. Females are duller with an olive-green head. The ʻōʻū has a pink, finch-like bill and pink legs. ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world.

FWS Digital Media Library -- The U.S. Fish and Wildlife Service's National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video.

Psittirostra psittacea

Psittirostra psittacea NatureServe Explorer Species Reports -- NatureServe Explorer is...

Psophodes nigrogularis NatureServe Explorer Species Reports -- NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and <a href="https://www.earth.com/image/the-fall-rhapsody-in-ottawa/">Canada</a>. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network. The black-throated whipbird is a passerine bird found in several scattered populations in Southwest Australia. It is predominantly olive green in colour. It was formerly considered to be conspecific with the white-bellied whipbird, so shares the common name "western whipbird".

ITIS Reports -- ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of <a href="https://www.bing.com/search?q=north+america&amp;cvid=fce417056c8243339e1ac7586a553780&amp;aqs=edge.0.69i59j69i57j0l5.1303j0j9&amp;FORM=ANAB01&amp;PC=HCTS">North America</a> and the world. Two subspecies are recognised. Both are under threat to some degree.
• Psophodes nigrogularis nigrogularis: (Endangered) The Western heath subspecies is now restricted to a small patch east of <a href="https://www.bing.com/search?q=Albany%2C%20Western%20Australia%20wikipedia&amp;form=WIKIRE">Albany</a>, having disappeared from large parts of its range due to land clearance.
• P. n. oberon: (Rare) The Western mallee subspecies is found in scattered populations between the Stirling Ranges and Ravensthorpe. It is apparently common in the <a href="https://www.bing.com/search?q=Fitzgerald%20River%20National%20Park%20wikipedia&amp;form=WIKIRE">Fitzgerald River National Park</a>.
The <a href="https://www.bing.com/search?q=White-bellied%20whipbird%20wikipedia&amp;form=WIKIRE">white-bellied whipbird</a> (Psophodes leucogaster) was formerly treated as conspecific with the black-throated whipbird. It was promoted to species status based on an analysis of <a href="https://www.bing.com/search?q=Mitochondrial%20DNA%20wikipedia&amp;form=WIKIRE">mitochondrial DNA</a> sequences published in 2017. The <a href="https://www.bing.com/search?q=Clements%20Checklist%20wikipedia&amp;form=WIKIRE">Clements Checklist</a> refers to this species with the common name western whipbird (black-throated) to distinguish it from P. leucogaster (white-bellied).

FWS Digital Media Library -- The U.S. Fish and Wildlife Service's National Digital Library is a searchable collection of selected images, historical artifacts, audio clips, publications, and video.

Psophodes nigrogularis

Psophodes nigrogularis NatureServe Explorer Species Reports -- NatureServe Explorer is...

While the Spanish explorers may have brought the first peach pits to North America, recent research reveals that the real credit for the fruit's widespread cultivation goes to the Indigenous communities of the continent.



The study, conducted by researchers at Penn State, sheds light on this often overlooked chapter of history.



<h2 class="wp-block-heading" id="h-indigenous-networks-and-the-spread-of-peaches">Indigenous networks and the spread of peaches</h2>



Jacob Holland-Lulewicz, the first author of the study and an assistant professor of anthropology at <a href="https://www.psu.edu" target="_blank" rel="noreferrer noopener">Penn State</a>, elaborated on the intensive care required for peaches to be productive.



This care includes finding appropriate places for plantation with abundant sunlight and proper soil drainage, along with regular pruning. 



The widespread <a href="https://www.earth.com/news/plants-have-sophisticated-strategies-to-balance-defense-and-growth/" target="_blank" rel="noreferrer noopener">cultivation</a> of peaches is a result of the Indigenous networks and land management practices - a fact that is often missed in narratives regarding the quick spread of peaches post-Spanish introduction.



<h2 class="wp-block-heading" id="h-samples-from-archeological-sites">Samples from archeological sites </h2>



The researchers meticulously examined historical documents that mentioned peaches such as the writings of French missionary explorer Jacques Marquette and English merchant Jonathan Dickinson. 



Radiocarbon dating, a method that measures the decay of radioactive carbon-14 atoms in organic material, was used to determine the approximate ages of peach pits and other organic samples from various archaeological sites.



<h2 class="wp-block-heading" id="h-spread-of-peaches-in-north-america">Spread of peaches in North America</h2>



The researchers found that by 1620, a hundred years after the Spanish arrival in Florida and Georgia's Oconee Valley, peaches likely spread across the Indigenous settlements throughout the interior southeast.



But these communities didn't just adopt the fruit. They bred new varieties - so many that they outnumbered those found in Europe during the same era.



The researchers identified what are possibly the oldest peaches in North America unearthed at a Muskogean farmstead in Oconee Valley dating back to between 1520 and 1550.



<h2 class="wp-block-heading" id="h-indigenous-influence-on-peaches">Indigenous influence on peaches</h2>



Study co-author Victor Thompson is a research professor of archaeology at the University of Georgia (<a href="https://www.uga.edu" target="_blank" rel="noreferrer noopener">UGA</a>) and executive director of the Georgia Museum of Natural History.



"Understanding the path that the introduction of species, such as peach trees, took through colonization and the role that Indigenous people and their long-term relationship with the environment played in shaping these histories demonstrates the importance of these events, people and processes to what becomes a broader American history,” said Thompson.



“Further, the fact that all of this work took place on museum specimens underscores the importance of maintaining these collections for future study.”



<h2 class="wp-block-heading" id="h-legacy-of-indigenous-communities">Legacy of Indigenous communities </h2>



At this point in our story, peaches had so intertwined with Indigenous history and culture that when the ancestors of the modern-day Muscogee (Creek) Nation were forcefully relocated from Georgia and Alabama in the 1800s, they took peaches with them.



Today, peaches continue to be grown as heritage crops by the Muscogee (Creek) Nation, with the act of growing and caring for them being a significant cultural practice.



<h2 class="wp-block-heading" id="h-climate-s-role-in-peach-cultivation">Climate's role in peach cultivation</h2>



Understanding the climatic factors that affect peach cultivation is pivotal for their <a href="https://www.earth.com/news/scientists-uncover-how-plants-grow-wider-not-just-taller/" target="_blank" rel="noreferrer noopener">successful growth</a>. Peaches thrive in regions with distinct seasonal variations, requiring cold winters to induce dormancy followed by warm springs to awaken the fruiting process. 



This adaptability explains their prevalence in temperate zones worldwide. However, climate change poses potential challenges, with rising temperatures and unpredictable frosts threatening the delicate balance necessary for peach production. 



The researchers emphasize the need for exploring cultivars resilient to climate fluctuations, ensuring the preservation of both traditional and newly developed peach varieties.



<h2 class="wp-block-heading" id="h-future-research-directions">Future research directions</h2>



As the historical and anthropological perspectives have enriched our understanding of peach cultivation, future research may involve genetic studies and exploring innovative agricultural <a href="https://www.earth.com/news/electro-agriculture-grows-food-in-the-dark-with-94-less-land-required/" target="_blank" rel="noreferrer noopener">practices</a>.



With advances in biotechnology, scientists are unraveling the genome of peaches to identify traits that confer resistance to diseases and environmental stressors. This genetic insight is crucial for breeding programs aimed at improving yield and quality. 



Moreover, sustainable practices, such as permaculture and regenerative agriculture, are being explored to reduce <a href="https://www.earth.com/news/organic-farming-and-flower-strips-improve-honey-bee-health/" target="_blank" rel="noreferrer noopener">environmental impact</a>. 



So, the next time you enjoy a sweet, juicy peach, remember the Indigenous communities that played a key role in its journey.



Their extensive care and management not only introduced this beloved summer fruit to a new continent but also paved the way for its spread and the diversity we enjoy today.



The study is published in the journal <a href="https://www.nature.com/articles/s41467-024-52597-8" target="_blank" rel="noreferrer noopener">Nature Communications</a>.



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How peaches spread across North America and the world

While the Spanish explorers may have brought the first peach...

Have you ever paused to admire a morning glory? Just as their name suggests, these flowers open at sunrise and often close by afternoon or evening.



Despite their fragile appearance, a recent study from the University of Michigan suggests that morning glory plants are quite resilient. The team discovered that these plants can withstand the effects of weed killers and display resistance to damage from herbivorous insects.



In particular, morning glory plants were found to resist glyphosate - the active component in the herbicide RoundUp.



<h2 class="wp-block-heading" id="h-plant-resistance-to-insect-damage">Plant resistance to insect damage</h2>



Interestingly, the researchers found that plants which are susceptible to glyphosate are also susceptible to damage from insects. This implies that glyphosate can disrupt the co-evolution of plants and their insect adversaries.



Study lead author&nbsp;Grace Zhang is a U-M doctoral student working with&nbsp;Regina Baucom, a professor in the Department of Ecology and Evolutionary Biology.



"When people think about herbicides and study them in <a href="https://www.earth.com/news/insects-boost-plant-evolution-in-surprising-ways/" target="_blank" rel="noreferrer noopener">plants</a>, they think about herbicide resistance," said Zhang. 



"Resistance is a big problem, tolerance is a big problem. But beyond that, we don't really have a great idea of how herbicides impact plant evolution in general, and also how it might impact how plants interact with other things in their environment."



<h2 class="wp-block-heading" id="h-more-insect-damage-on-plants-with-glyphosate">More insect damage on plants with glyphosate</h2>



The researchers set up the study with 1,600 morning glory plants in <a href="https://umich.edu" target="_blank" rel="noreferrer noopener">U-M</a>'s Matthaei Botanical Gardens. They sprayed half of the plants with glyphosate and recorded the <a href="https://www.earth.com/news/tiny-leaf-eating-insects-have-a-huge-impact-on-forests/" target="_blank" rel="noreferrer noopener">plants</a>' growth traits.



Noteworthy findings from the study included the fact that plants treated with glyphosate incurred more damage from insects compared to the non-treated (control) plants. However, plants resistant to glyphosate had less insect damage.



While conventional ecological theory would suggest a tradeoff between these two traits, Zhang said the team "saw the opposite."



The researchers also analyzed the fitness of the <a href="https://www.earth.com/news/dna-technology-will-accelerate-the-pace-of-plant-species-discovery/" target="_blank" rel="noreferrer noopener">plants</a>, i.e., their likelihood of producing seeds. They discovered a positive selection acting on glyphosate resistance: the more resistant the plants are to glyphosate, the fitter they are and the more likely to produce seeds.



<h2 class="wp-block-heading" id="h-plant-genes-and-insect-defenses">Plant genes and insect defenses</h2>



But, why are plants that are resistant to glyphosate also resistant to insect damage?



While Zhang and Baucom are yet to confirm, they hint at the role of the shikimate pathway - a metabolic process that glyphosate attacks, impacting the plant's herbivory defenses.



In contrast, the plants resistant to glyphosate seem to have multiple genes working together. These form detoxification pathways that can wade off glyphosate, thereby maintaining their insect defenses.



<h2 class="wp-block-heading" id="h-implications-for-agricultural-practices">Implications for agricultural practices</h2>



This study has profound implications for current agricultural practices and the management of herbicide application. Understanding the dual resistance to both glyphosate and herbivory challenges the conventional approach to pest and weed management. 



For farmers, this could mean re-evaluating the use of herbicides like glyphosate to mitigate potential unintended ecological repercussions. 



The development of crops that can naturally resist both herbicides and <a href="https://www.earth.com/news/how-does-the-milkweed-beetle-safely-feed-on-a-toxic-plant/" target="_blank" rel="noreferrer noopener">insect</a> predation could lead to more sustainable agricultural strategies, reducing the need for chemical inputs while preserving biodiversity in farmlands.



<h2 class="wp-block-heading" id="h-future-research-directions">Future research directions </h2>



The findings open the door to further exploration into the genetic underpinnings of plant resistance. Future research could investigate the exact genetic pathways involved in this dual resistance, potentially leading to breakthroughs in genetic engineering for crop improvement.



Another avenue of research could focus on the long-term evolutionary consequences of glyphosate use on plant-insect interactions. 



Scientists could harness these insights for developing crops that are better suited to withstand both chemical and biological stressors, ensuring food security in an ever-changing environment.



<h2 class="wp-block-heading" id="h-human-made-impacts-on-nature">Human-made impacts on nature</h2>



"Studies in the past usually look at the evolution of herbicide resistance in these plants or they'll look at how applying the herbicide directly to specific insects will affect them," Zhang said. 



"But they haven't really looked at this question from more of a community level: How does herbicide act as a disruptor on this community level?" 



"So that's what we really wanted to focus on: how does this new disruptive agent that is human-made impact a very natural, long standing relationship between plants and their insects?"



The study is published in the journal <a href="https://nph.onlinelibrary.wiley.com/doi/10.1111/nph.20238" target="_blank" rel="noreferrer noopener">New Phytologist</a>.



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Herbicides disrupt the co-evolution of plants and insects

Have you ever paused to admire a morning glory? Just...

Phosphorus, a crucial nutrient for soil fertility and life sustainability, is increasingly vanishing from U.S. farmland, washing into rivers and streams at alarming rates.&nbsp;



A new study led by researchers at the <a href="https://www.psu.edu/" target="_blank" rel="noreferrer noopener">Pennsylvania State University</a> reveals that despite efforts to curb phosphorus loss, agricultural runoff has continued to rise over the past four decades, posing significant threats to <a href="https://www.earth.com/news/vaccinating-plants-could-boost-global-food-security/" target="_blank" rel="noreferrer noopener">food security</a> and water quality.



<h2 class="wp-block-heading" id="h-soil-nutrient-and-phosphorus-loss">Soil nutrient and phosphorus loss</h2>



Phosphorus is indispensable for life, playing a key role in DNA formation and cellular energy transfer.&nbsp;



However, unlike nitrogen, it is a non-renewable resource with limited geological reserves. Once it is lost from soil and enters <a href="https://www.earth.com/news/humans-impacts-on-waterways-contribute-to-the-climate-crisis/" target="_blank" rel="noreferrer noopener">waterways</a>, it cannot naturally replenish in agricultural lands.



“This is a problem for many reasons,” said Li Li, professor of civil and environmental engineering at Penn State and corresponding author of the study.&nbsp;



“When it’s lost from farmland, it can reduce crop yields, potentially leading to higher food prices. Then, when phosphorus enters our waterways, it can cause harmful algal blooms that can make water unsafe for swimming and fishing - and can even reduce oxygen levels in water and kill fish and other aquatic life.”



Li also highlighted the economic impact of phosphorus depletion: “It makes it more expensive to treat drinking water, which means higher water bills for all of us.”



<h2 class="wp-block-heading" id="h-rising-phosphorus-levels-in-rivers">Rising phosphorus levels in rivers</h2>



Analyzing data from 430 U.S. <a href="https://www.earth.com/news/global-warming-is-disrupting-the-seasonal-flow-of-rivers/" target="_blank" rel="noreferrer noopener">rivers</a> spanning 1980 to 2019, the research team used a deep learning model to uncover troubling trends. 



While phosphorus levels have declined in 60% of the studied rivers, overall phosphorus flowing into waterways has increased.



“Agricultural areas are the biggest contributors to the problem, with phosphorus levels increasing in most rivers near agricultural areas, even as they decline in rivers near urban areas,” Li explained.&nbsp;



“This suggests that efforts to control phosphorus pollution from sources like agricultural runoff are not as effective as we thought.”



By contrast, targeted efforts to reduce phosphorus pollution from urban wastewater treatment plants appear to be succeeding.&nbsp;



<h2 class="wp-block-heading" id="h-soil-nutrient-loss-is-beyond-local-control">Soil nutrient loss is beyond local control </h2>



However, the researchers warn that the broader problem is worsening due to factors beyond local control, particularly the increased frequency of extreme weather events linked to climate change.



“This means that even though we’re doing a better job at limiting phosphorus pollution from urban areas, the problem is getting worse overall, due to factors largely beyond the control of just one region,” Li said.



<h2 class="wp-block-heading" id="h-the-role-of-climate-change">The role of climate change</h2>



<a href="https://www.earth.com/news/droughts-and-extreme-weather-events-are-escalating/" target="_blank" rel="noreferrer noopener">Extreme weather events</a>, such as heavier rainfall and flooding, have amplified phosphorus runoff into waterways. As storms grow wetter and more frequent due to climate change, the volume of water flowing through rivers increases, pulling more phosphorus from the soil.



“We’ve seen from recent weather events that water quantity, the amount of water that storms and waterways carry, can lead to dangerous flooding and mudslides,” Li said.&nbsp;



“What we wanted to understand is what happens to the land when these storms pull the subsurface of the soil into rivers and streams. What we found is an alarming loss of this finite element that lets soil sustain life.”



<h2 class="wp-block-heading" id="h-innovative-solutions-are-needed">Innovative solutions are needed</h2>



To combat this escalating issue, the researchers emphasize the need for innovation and changes in agricultural practices. One promising development is a technology invented at Penn State by alumnus Hunter Swisher.



Swisher, founder and CEO of <a href="https://www.phospholutions.com/" target="_blank" rel="noreferrer noopener">Phospholutions</a>, has developed a fertilizer designed to improve phosphorus efficiency in soil. “We are advocating for more innovation, more creativity and more urgency,” Li said.



The company’s product has shown remarkable results, reducing phosphorus runoff potential by 78% compared to conventional fertilizers.&nbsp;



Phospholutions is now expanding its technology across the Americas, Europe, and India, aiming to address phosphorus pollution on a global scale.



<h2 class="wp-block-heading" id="h-a-ddressing-soil-nutrient-loss">Addressing soil nutrient loss</h2>



The study highlights the urgent need for comprehensive strategies to address phosphorus loss.&nbsp;



With climate change exacerbating the problem, researchers call for a combination of advanced technologies and sustainable farming practices to mitigate the impacts on both <a href="https://www.earth.com/news/climate-and-agriculture-are-locked-in-a-destructive-feedback-loop/" target="_blank" rel="noreferrer noopener">agriculture</a> and aquatic ecosystems.



“The connection between water and land is essential, and that balance is growing increasingly fragile,” Li concluded.



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Soil nutrient loss due to heavy rainfall threatens agriculture 

Phosphorus, a crucial nutrient for soil fertility and life sustainability,...

Our vast forests, those endless expanses of green mesmerizing beauty, showcase the incredible diversity of Mother Nature. However, rising forest damage threatens their role in maintaining ecosystem balance and supporting stable economies.



In a surprising turn of events, a recent study shows that forests seem to be facing an unwelcoming reality - increased vulnerability. And the culprit? Lack of diversity in tree species.



<h2 class="wp-block-heading" id="h-why-forest-diversity-matters">Why forest diversity matters</h2>



Life as we know it thrives on the principle of diversity. The more diverse an ecosystem, the more resilient it turns out to be. But what happens when this diversity dwindles?



When you explore the heart of the forest, areas dominated by a single species, such as the lodgepole pine, may reveal a striking vulnerability. Experts have identified significant risks associated with <a href="https://www.earth.com/news/more-than-one-third-of-the-worlds-trees-face-extinction/" target="_blank" rel="noreferrer noopener">forests</a> lacking species diversity.



The research on forest damage was led by researchers at Umeå University and the <a href="https://www.slu.se/en/" target="_blank" rel="noreferrer noopener">Swedish University of Agricultural Science</a> in Uppsala.



<h2 class="wp-block-heading" id="h-factors-that-threaten-forest-health">Factors that threaten forest health</h2>



Swedish forests have their fair share of visitors, but not all of them are welcome. 



Fires, insects, cervids like moose, and fungi, are among the uninvited guests. These factors chip away at the health of the forest, sometimes to such an extent that they disrupt the ecosystem's functionality.



This impact is not just an environmental concern. It has significant implications on the forest industry, which relies on the forest's ability to provide wood and other <a href="https://www.earth.com/news/resilient-trees-can-help-safeguard-cities-from-climate-change/" target="_blank" rel="noreferrer noopener">tree</a> products.



<h2 class="wp-block-heading" id="h-climate-change-and-forest-damage">Climate change and forest damage</h2>



Our forests are up against another formidable foe - climate change. As the temperatures increase and weather patterns become more unpredictable, the forests face a heightened risk of damages.



“In a warmer climate with more extreme weather and new pest organisms, and with a more intense forestry, forest damages are expected to become more common and more severe," said Micael Jonsson of <a href="https://www.umu.se/en/" target="_blank" rel="noreferrer noopener">Umeå University</a>, who led the study. 



"It is therefore important to understand causes of forest damages and whether it can be prevented." 



<h2 class="wp-block-heading" id="h-findings-on-forest-diversity">Findings on forest diversity</h2>



The research team relied on vast data collected by the Swedish national forest inventory since 2003. They sought to identify the most prevalent types of tree damages and what escalates the risk of trees getting damaged.



Knocking down assumptions, wind and snow damage topped the list, followed by forestry-related destruction and damage caused by fungi. Sadly, 94 percent of all trees had suffered some level of damage.



<h2 class="wp-block-heading" id="h-vulnerability-to-forest-damage">Vulnerability to forest damage</h2>



The researchers observed that coniferous trees in younger stands, especially in warmer parts of Sweden, were at a higher risk for damages. And amongst all, the lodgepole pine, an introduced species, seemed to bear the brunt.



Jonsson and his team noted that introducing species like lodgepole pine may not be in the best interest of a profitable forestry in Sweden.



Not all news is bad news, though. The study reveals an encouraging finding: forests having a broader spectrum of <a href="https://www.earth.com/news/trees-are-relocating-in-a-race-against-global-warming/" target="_blank" rel="noreferrer noopener">tree species</a> displayed resilience against extensive damages, especially in warmer climates.



So, Mother Nature has given us a hint - diversification may be the key to healthier, more resilient forests in the face of climate change!



“We must adapt Swedish forests and forest management methods to a future warmer climate," said study co-author Jan Bengtsson at the Swedish University of Agricultural Science.



"Including more <a href="https://www.earth.com/news/the-worlds-largest-living-organism-consists-of-47000-trees/" target="_blank" rel="noreferrer noopener">tree</a> species in production forests seems to be an adaptation that could work!” 



<h2 class="wp-block-heading" id="h-room-for-improvement">Room for improvement</h2>



While the study brings forward several valuable insights, it also sheds light on the challenges encountered during research. 



“The national forest inventory collects important data for our understanding of the forest, but when it comes to the damage inventory, the data quality needs to improve to be fully usable in forestry practices,” said study co-author Jon Moen of Umeå University.



In conclusion, the study provides a compelling case for diversifying our forests and adapting our forestry practices. 



Can we thwart the looming risk of forest damages and create healthier, more thriving forests? Only time will tell, but for now, it's clear that we have some changes to make.



The study is published in the journal <a href="https://esajournals.onlinelibrary.wiley.com/doi/10.1002/ecs2.70071" target="_blank" rel="noreferrer noopener">Ecosphere</a>.



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Forests face rising damage risks as their diversity dwindles

Our vast forests, those endless expanses of green mesmerizing beauty,...

Climate change has emerged as a formidable challenge to plant life on Earth. Changes in the environment, which plants are unaccustomed to, disrupt their growth, posing grave risks. 



Increasingly, plant scientists strive to comprehend how these environmental changes will impact plant life and whether plants can acclimate to a new status quo.



<h2 class="wp-block-heading" id="h-adaptations-of-paper-birch-trees">Adaptations of paper birch trees</h2>



A team of researchers from the Walker lab at the <a href="https://msu.edu" target="_blank" rel="noreferrer noopener">Michigan State University</a>-U.S. Department of Energy Plant Research Laboratory, or PRL, has set their sights on how paper birch trees adapt to changing environments. They are keen on understanding the management of an important plant process known as photorespiration.



"If plant metabolism was a freeway system, photorespiration would be the second-highest trafficked road,” noted Berkley Walker, an associate professor in the Department of Plant Biology in the PRL.



The question is whether the roads of this crucial pathway can handle all this traffic under present and predicted <a href="https://www.earth.com/news/2024-shatters-heat-records-earths-hottest-year-is-here/" target="_blank" rel="noreferrer noopener">climate conditions</a>.



<h2 class="wp-block-heading" id="h-acclimation-in-humans-and-plants">Acclimation in humans and plants </h2>



Acclimation refers to the adjustment of living organisms to <a href="https://www.earth.com/news/cities-are-largely-unprepared-for-the-effects-of-climate-change/" target="_blank" rel="noreferrer noopener">altered conditions</a>. In humans, we acclimate when we adapt to the cold weather of winter or while getting accustomed to a new job.



However, plants must acclimate too, which is made complex by the fact that the increase in atmospheric carbon dioxide (CO2) and global warming have contrasting effects on photosynthesis and photorespiration.



As the temperature rises, so does photorespiration, but when CO2 levels rise, photorespiration decreases. This interplay may modify the efficiency of photorespiration.



<h2 class="wp-block-heading" id="h-paper-birch-response-to-climate">Paper birch response to climate</h2>



In a study published in the journal Scientific Reports, the research team examined whether paper birch trees adjusted the activity of photorespiratory enzymes under varying <a href="https://www.earth.com/news/earth-days-getting-longer-rotation-slows-climate-change/" target="_blank" rel="noreferrer noopener">environmental conditions</a>.



Paper birch trees were selected because they inhabit boreal forest biomes located in the northernmost parts of the planet, which are expected to be among the ecosystems hit hardest by climate change.



The experimental growth conditions mirrored current, moderate, and extreme climate change scenarios for these boreal forest regions, as outlined by the Intergovernmental Panel on Climate Change. 



In each scenario, researchers modified the CO2 concentration and increased air temperatures in various combinations.



“This study explored whether plants fine-tuned their enzyme capacity based on demand or whether they keep a buffer, so they have extra capacity in reserve to handle unpredictable changes,” said Luke Gregory, former graduate student in the Walker lab and first author on the study.&nbsp;



<h2 class="wp-block-heading" id="h-plant-growth-in-a-changing-climate">Plant growth in a changing climate </h2>



Trees for the study were grown from seeds at the <a href="https://www.uwo.ca/index.html" target="_blank" rel="noreferrer noopener">University of Western Ontario</a> by researchers in Professor Danielle Way’s lab. They used the university’s Biotron, a research facility capable of simulating almost any climate on Earth.



Surprisingly, the experts found that the trees did not increase their enzyme capacity depending on the climate they were grown in. Instead, they maintained similar capacities across all six future climate scenarios.



Remarkably, the measured enzyme capacities were more than adequate for the photorespiratory pathway, implying that the trees were poised to grow even under changing conditions.



<h2 class="wp-block-heading" id="h-plant-resilience-in-changing-climates">Plant resilience in changing climates</h2>



Gregory highlighted an intriguing find: the plants have a “safety factor” or buffer capacity that enables them to cope with different changes, whether under current, moderate, or extreme conditions.



This discovery offers a glimmer of hope that plants have a built-in mechanism which might help them survive the adverse effects of climate change, at least in terms of photorespiration.



That being said, this research is just one piece of the larger puzzle in comprehending how photorespiration is and will continue to be impacted by human-induced climate change.



<h2 class="wp-block-heading" id="h-plant-resilience-in-the-face-of-climate-change">Plant resilience in the face of climate change </h2>



“It’s important that we understand how plants are responding to current conditions and future conditions because we need them in our lives,” said Gregory. 



The question of whether plants can acclimate or adapt over generations to these <a href="https://www.earth.com/news/extreme-heat-of-2023-weakened-earths-carbon-storage-capacity/" target="_blank" rel="noreferrer noopener">altered environments</a> is pertinent as they provide us with oxygen, food, and energy.



This study opens a new window to appreciate and understand plant resilience in the face of the relentless challenges posed by climate change.



The study is published in the journal <a href="https://www.nature.com/articles/s41598-024-77049-7" target="_blank" rel="noreferrer noopener">Scientific Reports</a>.



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Plants defy climate change through acclimation

Climate change has emerged as a formidable challenge to plant...

Across the globe, approximately 8.7 million different plant species exist, with around a quarter of them dwelling in the ocean.



For centuries, our understanding of these species, particularly those on land, has been largely shaped by their physical characteristics. 



The process of identifying species based on their morphological characteristics was first established by 18th-century scientist Carl Linnaeus.



However, new findings suggest that this method may not be as comprehensive as we once thought. The research suggests that DNA holds the key to uncovering the identities of plants. 



<h2 class="wp-block-heading" id="h-using-dna-to-identify-plant-species">Using DNA to identify plant species</h2>



While Linnaeus's method has guided our identification of species for centuries, advancements in technology have ushered in a new era of species identification - through <a href="https://www.earth.com/news/largest-ever-ocean-dna-study-uncovers-mysteries-of-marine-life/" target="_blank" rel="noreferrer noopener">DNA sequencing</a>. 



Over the last decade, biologists have begun to depend heavily on DNA sequencing to distinguish between species more accurately. This approach typically involves analyzing a single, species-specific site in the DNA, but it's not foolproof.



"There are times when different plant species are difficult to characterize from a small DNA sequence. But now DNA sequencing has taken several steps forward and we have been able to identify completely new species by analyzing a larger part of the genome," explained Zaynab Shaik, author of a doctoral thesis at the <a href="https://www.gu.se/en" target="_blank" rel="noreferrer noopener">University of Gothenburg</a>.



<h2 class="wp-block-heading" id="h-the-case-of-the-cryptic-daisies">The case of the cryptic daisies</h2>



Shaik's research zeroes in on a group of daisies in the Cape Province of her native South Africa. This collection comprises 66 recognized species, and the first of these species was described in 1753.



Despite their prevalence and commonality, some daisies in the region have puzzled botanists. These "cryptic" plants appear identical in leaf and flower structure, growth habit, and distribution, yet they boast significant <a href="https://www.earth.com/news/just-a-few-genetic-differences-tailor-flowers-to-specific-pollinators/" target="_blank" rel="noreferrer noopener">genetic differences</a>.



"It is important that we have a better understanding of plant relationships and <a href="https://www.earth.com/news/animal-tracking-is-crucial-for-preserving-biodiversity/" target="_blank" rel="noreferrer noopener">biodiversity</a> on Earth. It is easy to imagine how wrong it could be if we discover that a plant is suitable for use as a base in a drug, and then we pick another, similar, species instead, which may not have the same properties at all," said Shaik.



<h2 class="wp-block-heading" id="h-dna-reveals-new-plant-species">DNA reveals new plant species </h2>



Shaik's DNA analyses of these cryptic daisies have led to the unmasking of four new species. She noted that these species aren't new creations hidden in unexplored terrains. 



"When I'm asked about this, there's a bit of an anti-climax when I explain that it's not that I've found a new daisy in a remote location that no one has seen before. But these have been admired for a long time, but they have been mistaken for another species."



Shaik's identification method, known as integrative taxonomy, merges traditional observational techniques with modern DNA sequencing. 



This combination enhances our knowledge of species boundaries and is expected to ramp up the rate of new species discovery.



<h2 class="wp-block-heading" id="h-many-more-discoveries-to-be-made">Many more discoveries to be made</h2>



Shaik hints at a possible underestimation of the biodiversity in the Cape region and, by extension, other parts of the world. 



"In the Cape, it has been thought that only 1 percent of biodiversity remains to be discovered. My results suggest that it could be much more than that. And the same should reasonably apply to other areas of the globe."



Thus, <a href="https://www.earth.com/news/saving-parrots-in-the-illegal-wildlife-trade-with-dna-technology/" target="_blank" rel="noreferrer noopener">DNA technology</a>, progressing hand in hand with traditional methods, is undeniably reshaping our understanding of Earth's biodiversity. 



As we continue to unravel more secrets within the realm of genetics, the question arises: how much more of nature's mysteries are waiting to be unveiled?



<h2 class="wp-block-heading" id="h-technology-and-plant-species-discovery">Technology and plant species discovery</h2>



The integration of DNA sequencing with traditional taxonomy, known as integrative taxonomy, is becoming the cornerstone of modern biodiversity studies. 



Unlike conventional methods that rely solely on observable physical traits, this approach combines morphological analysis with molecular data, offering a multi-dimensional view of species identification. 



This hybrid method addresses limitations found in singular approaches and helps clarify ambiguities, particularly in species with minimal visible differences.



Integrative taxonomy is not only accelerating the pace of <a href="https://www.earth.com/news/mushroom-magic-new-species-discovered-in-africa/" target="_blank" rel="noreferrer noopener">species discovery</a> but also refining conservation strategies.



By identifying genetic differences that aren't apparent through morphology alone, researchers can better understand which populations may be at risk and develop more effective protection measures. 



This evolving field highlights the importance of embracing modern technology alongside traditional scientific practices to enrich our understanding of life on Earth.



The study is published in the journal <a href="https://www.sciencedirect.com/science/article/abs/pii/S025462992400320X?via%3Dihub" target="_blank" rel="noreferrer noopener">South African Journal of Botany</a>.



Image Credit: Zaynab Shaik



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DNA technology will accelerate the pace of plant species discovery

Across the globe, approximately 8.7 million different plant species exist,...

Pando, an extraordinary organism residing in Utah, quietly stands out among the myriad of living beings that inhabit our planet, captivating scientists and nature enthusiasts alike. 



This remarkable colony of quaking aspen trees (Populus tremuloides) stretches across 106 acres, and is connected by an extensive underground root system that forms a single, unified organism rather than just a forest of unrelated individuals.



With its remarkable size and age, Pando dwarfs its fellow inhabitants, holding the potential to be not only the oldest living being but also the largest organism on Earth. It is a symbol of nature's resilience and complexity over millennia.



<h2 class="wp-block-heading" id="h-utah-s-pride-the-incredible-pando">Utah's pride: The incredible Pando</h2>



A group of American researchers has suggested that this 106-acre woodland in the heart of Utah could have originated from a single seedling, which sprouted 34,000 years ago, pre-dating the end of the <a href="https://www.earth.com/news/disastrous-climate-changes-of-the-last-ice-age-could-happen-again/" target="_blank" rel="noreferrer noopener">last ice age</a>.



Even bolder estimates propose that this clonal organism, which appears to consist of 47,000 separate trees, might have been present tens of thousands of years earlier.



<h2 class="wp-block-heading" id="h-the-astonishing-life-of-clonal-organisms">The astonishing life of clonal organisms</h2>



Pando (which means "I spread" in Latin) is intriguing because of its massive size, but it also boasts a unique genetic identity shared by all its individual parts that are linked together through one vast network of roots.



This form of asexual reproduction makes Pando a <a href="https://www.earth.com/news/listening-to-the-largest-and-oldest-tree-on-earth-what-does-it-have-to-say/" target="_blank" rel="noreferrer noopener">clonal organism</a>, with each 'tree' being a part of the whole, rooted and growing from the same entity. 



There are other life forms, including fungi and the bristlecone pines on the White Mountains in eastern California, that display similar capabilities. They survive through <a href="https://www.earth.com/news/scientists-have-had-a-breakthrough-in-cloning-coconut-trees/" target="_blank" rel="noreferrer noopener">cloning</a> methods for hundreds, or even thousands of years.



<h2 class="wp-block-heading" id="h-unlocking-pando-s-historical-tales">Unlocking Pando's historical tales</h2>



To discern Pando's true age more accurately, the research team meticulously collected around 500 samples, including root, leaf, and bark, from different parts of this giant organism.



They also obtained specimens from other, unrelated aspens and embarked on a journey to sequence their DNA.



The scientists identified 4,000 genetic variations within these samples, and the mutation patterns narrated a captivating story that dates back potentially between 16,000 and 80,000 years.



<h2 class="wp-block-heading" id="h-unraveling-the-genetic-enigma">Unraveling the genetic enigma</h2>



The researchers, led by Rozenn Pineau of the <a href="https://www.uchicago.edu/en" target="_blank" rel="noreferrer noopener">University of Chicago</a>, noted that they had initially expected a close genetic correlation between trees that are physically near each other.



"You would expect that the trees that are spatially close are also closer genetically," Pineau told Helena Kudiabor at Nature. "But this is not exactly what we find. We found a spatial signal, but that is much weaker than what we expected."



Those trees that were in close proximity did share more similar mutations than those that were far apart - but only slightly more.



This discovery adds a new layer of complexity to understanding Pando's genetic structure and resilience.



Additional research focusing on Pando's mutation history and its genomic protection methods could provide insights into how this plant (and other similar organisms) has managed to survive for millennia.



<h2 class="wp-block-heading" id="h-ensuring-pando-s-enduring-legacy">Ensuring Pando's enduring legacy</h2>



Concerns are mounting over the longevity of Pando. Ensuring its survival will require a deep understanding of this ancient <a href="https://www.earth.com/news/plants-use-dna-duplication-to-increase-their-resilience/" target="_blank" rel="noreferrer noopener">plant's resilience</a> against the assaults of man and nature.



Moreover, similar investigations into other clonal organisms elsewhere may offer Pando competition for its venerable title. 



One competitor lies in a patch of Posidonia oceanica seagrass off the Spanish island of Formentera, which some believe to be more than 200,000 years old.



<h2 class="wp-block-heading" id="h-the-ecological-significance-of-pando">The ecological significance of Pando</h2>



Pando is more than just a marvel of age and size; it plays a crucial role in the local ecosystem. 



This vast network of quaking <a href="https://www.earth.com/news/aspen-forests-could-reverse-biodiversity-loss-in-europe/" target="_blank" rel="noreferrer noopener">aspens</a> supports a diversity of wildlife by providing habitat and food for numerous species, from insects and birds to larger mammals such as deer and elk.



The interconnected root system of Pando also aids in soil stabilization, which prevents erosion and supports the health of the surrounding environment.



However, understanding Pando's ecological contributions has become more urgent than ever, as climate change and human activities threaten its survival. 



Efforts to study and preserve this unique organism are now critical, not only to protect its ancient legacy but also to help maintain the delicate balance of the ecosystem it anchors.



<h2 class="wp-block-heading" id="h-the-enduring-hymns-of-pando">The enduring hymns of Pando</h2>



Pando's survival through the ages is a tribute to time itself. It stands as a constant reminder of the ancient world, sharing with us stories of an era long gone. 



As we continue to unravel the mysteries of Pando, we can only hope that this ancient marvel stands tall and flourishes in the years to come.



The research is published in <a href="https://www.biorxiv.org/content/10.1101/2024.10.19.619233v2">BioRxiv</a>.



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The world's largest living organism consists of 47,000 trees

Pando, an extraordinary organism residing in Utah, quietly stands out...

Every living organism relies on a genetic blueprint encoded in its DNA, yet the amount of DNA - or genome size - varies dramatically across the tree of life.&nbsp;



In animals alone, genome sizes range from the minuscule genome of Intoshia variabili, a marine parasite - which is about 200 times smaller than the human genome - to the massive genome of the marbled lungfish (Protopterus aethiopicus) - which is over 40 times larger than ours.&nbsp;



Plants exhibit a similar range, with the fork fern (Tmesipteris oblanceolata) setting the record with a genome size over 50 times larger than that of humans.



This diversity in <a href="https://www.earth.com/news/genome-mapping-completed-for-dozens-of-common-animals/" target="_blank" rel="noreferrer noopener">genome</a> size reveals the vast variety of life forms on Earth, but it also raises a fascinating question: If smaller genomes lead to faster, more efficient growth, why do some species have larger genomes?



<h2 class="wp-block-heading" id="h-advantages-of-smaller-genome-sizes">Advantages of smaller genome sizes</h2>



The replication of DNA is essential for cell production and growth, making smaller genomes more efficient as they require fewer resources and time to replicate.&nbsp;



Smaller genomes demand fewer <a href="https://www.earth.com/news/excess-nutrients-are-creating-ocean-dead-zones/" target="_blank" rel="noreferrer noopener">nutrients</a>, especially the DNA-building elements nitrogen and phosphorus, making them ideal for rapid growth and reproduction.



Because of these advantages, it’s not surprising that most species have evolved with relatively small genomes.&nbsp;



However, large genomes persist in some organisms, suggesting that these genomes may confer certain benefits in specific environments, where the costs of carrying extra DNA are outweighed by unique growth advantages.



<h2 class="wp-block-heading" id="h-exploring-large-genome-benefits-in-grasses">Exploring large genome benefits in grasses</h2>



A research team led by the <a href="https://www.sheffield.ac.uk/" target="_blank" rel="noreferrer noopener">University of Sheffield</a> has recently studied the potential benefits of large genomes in grass species. 



<a href="https://www.earth.com/news/fairy-circles-kill-all-newly-planted-grasses-deepening-their-mystery/">Grasses</a>, a vast plant family found worldwide from arctic tundras to tropical savannas, vary in genome size, making them an ideal group to examine how genome size affects growth in different conditions.



The study, published in the journal <a href="https://doi.org/10.1111/nph.20150" target="_blank" rel="noreferrer noopener">New Phytologist</a>, examined the growth of various grass species under conditions mimicking their natural environments - high temperatures, low nutrients, and drought. 



The scientists compared growth rates to each species’ genome size and observed that while grasses with smaller genomes generally grew better across most conditions, larger genomes provided advantages in two specific scenarios.



<h2 class="wp-block-heading" id="h-large-genomes-thrive-in-nutrient-rich-environments">Large genomes thrive in nutrient-rich environments</h2>



The first scenario where larger genomes proved beneficial was in nutrient-rich soils. While low nutrient levels slowed down large-genome grasses, those with large genomes thrived in high-nutrient environments.&nbsp;



Here, the extra DNA content meant larger cells that produced more biomass, such as leaves, which allowed these plants to outgrow and overshadow neighbors with smaller genomes.&nbsp;



In nutrient-poor areas, however, the demands of replicating additional DNA outweighed these benefits, making smaller genomes more favorable.



<h2 class="wp-block-heading" id="h-growing-seasons-and-genome-sizes">Growing seasons and genome sizes</h2>



The second advantage for large-genome grasses occurred in cooler environments, such as temperate regions with lower growing season temperatures.&nbsp;



<a href="https://www.earth.com/news/how-do-plants-grow-more-branches-and-become-bushy/" target="_blank" rel="noreferrer noopener">Plant growth</a> typically has two stages: cell division, where new cells are generated, and cell expansion, where cells swell with water to help the plant grow taller or spread. 



Cool temperatures significantly slow down cell division, but they have less impact on cell expansion.&nbsp;



Consequently, grasses with larger cells, which accompany large genomes, can expand more rapidly by cell enlargement even in cooler weather, outpacing smaller-genome plants that rely on faster cell division in warmer temperatures.



This cell expansion process explains the early spring growth of plants like daffodils and bluebells, which also have large genomes.&nbsp;



These plants perform much of their cell division in warmer months, allowing them to use cell expansion to grow quickly in early spring, well before smaller-genome plants begin to compete for light and nutrients.



<h2 class="wp-block-heading" id="h-genome-size-diversity">Genome size diversity</h2>



The diversity in genome sizes among grasses may be one reason for their global success, as it allows them to adapt to a wide range of environmental conditions.&nbsp;



While smaller genomes typically support efficient growth, larger genomes offer unique advantages in specific environments, enabling certain species to thrive where others cannot.&nbsp;



This genetic diversity in grasses underscores the importance of variation in supporting species’ survival and adaptability across ecosystems.



<h2 class="wp-block-heading" id="h-genome-size-and-evolutionary-success">Genome size and evolutionary success</h2>



The relationship between genome size and survival is not limited to plants. Our own medium-sized genome has supported humanity’s adaptability, though we don’t face the same nutrient limitations as stationary plants.&nbsp;



Unlike grasses, humans can move to seek out food and resources, which may allow us to bear the metabolic costs associated with our DNA without significant limitation.&nbsp;



This mobility highlights how different species leverage their genetic make-up in conjunction with unique behaviors and environmental interactions to thrive across diverse habitats.



In summary, the role of genome size in evolutionary success is nuanced and complex.&nbsp;



From the efficient replication of small genomes to the adaptability enabled by larger ones, genome size continues to shape the ecological <a href="https://www.earth.com/news/asian-forests-proving-resilient-both-climate-change-human-actions/" target="_blank" rel="noreferrer noopener">resilience</a> and global distribution of life on Earth.



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How does genome size impact evolutionary success?

Every living organism relies on a genetic blueprint encoded in...

Rainforests are not just a symbol of natural beauty; they are a crucial component of our planet’s ecosystem. Yet, climate change poses an imminent threat to these vital habitats and beyond.



Up to two-thirds of the world’s temperate rainforests could fall victim to climate change by the year 2100 according to a new study by researchers at the <a href="https://www.leeds.ac.uk/" target="_blank" rel="noreferrer noopener">University of Leeds</a>.



<h2 class="wp-block-heading" id="h-global-assessment-of-temperate-rainforests">Global assessment of temperate rainforests</h2>



The study is one of its kind - the first-ever global assessment of the impact of <a href="https://www.earth.com/news/temperate-rainforests-can-help-fight-climate-change/" target="_blank" rel="noreferrer noopener">climate change</a> on temperate rainforests.



"Temperate rainforests are rare ecosystems found only in wet and cool regions, making them vulnerable to a warming climate. They are important to conserve because they host unique species and can store high amounts of carbon," noted the study authors. 



With the help of comprehensive maps detailing tree cover, forest conditions, and climate data, the researchers were able to evaluate how human activity and climate change have collectively impacted the world's temperate rainforests and how they might continue to do so.



Although covering less than one percent of the Earth's land surface, temperate rainforests have a significant role to play. The forests are located in many countries such as Canada, the United States, Chile, Japan, Australia, New Zealand, and the UK.



They are globally acknowledged for their ecological importance. Their high <a href="https://www.earth.com/news/tropical-forests-are-losing-their-carbon-storage-capacity/" target="_blank" rel="noreferrer noopener">carbon storage capacity</a> exceeds that of forests in other latitudes.



<h2 class="wp-block-heading" id="h-the-future-of-temperate-forests">The future of temperate forests</h2>



The researchers predict that in the most pessimistic scenario, we stand to lose up to 68 percent of our planet's temperate rainforests in the coming decades. In certain regions, this loss might reach a staggering 90 percent.



However, there's a silver lining: our actions can change the trajectory. If we take robust measures against <a href="https://search.app?link=https%3A%2F%2Fwww.earth.com%2Fnews%2Ffossil-carbon-emissions-hit-a-record-high-in-2023%2F&amp;utm_campaign=aga&amp;utm_source=agsadl2%2Csh%2Fx%2Fgs%2Fm2%2F4" target="_blank" rel="noreferrer noopener">fossil fuel</a> emissions, the projected loss would be only about 23 percent.



Rapid and decisive actions could further curtail this loss to a mere nine percent. This, once again, emphasizes the dire need for urgent, effective steps to counter climate change.



<h2 class="wp-block-heading" id="h-identifying-the-most-vulnerable-forests">Identifying the most vulnerable forests</h2>



The research was led by Ben Silver, a research fellow at Leeds' School of Earth and Environment.



"Unmitigated climate change is a disaster for temperate rainforest in the UK and globally, as they cannot survive the kinds of <a href="https://www.earth.com/news/scorching-summer-of-2024-could-make-it-the-hottest-year-on-record/" target="_blank" rel="noreferrer noopener">high summer temperatures</a> which we are starting to observe more regularly and are only predicted to worsen in future climate change simulations," said Silver. 



"Our study also shows that if we work hard to slow climate change it is not too late to save the world’s temperate rainforests." 



"We hope our study will support the conservation of temperate rainforests by identifying those areas that are the least or the most vulnerable to climate change, and where there is potential to restore forest."



<h2 class="wp-block-heading" id="h-british-rainforests-a-case-study">British rainforests: A case study</h2>



Temperate rainforests dot the UK's western seaboard, forming one of the most <a href="https://www.earth.com/news/landscapes-with-a-mix-of-habitats-are-biodiversity-hotspots/" target="_blank" rel="noreferrer noopener">biodiverse habitats</a>.



It's here that the high humidity and low temperature range create the perfect conditions for moisture-loving lichens and bryophytes.



Britain's temperate rainforests cover less than one percent of the land. Yet, the UK stands with more potential for restoration than any other place globally, hosting a quarter of the world's unforested temperate rainforest climate zone.



The researchers found that temperate rainforests in the UK are resilient to low and medium amounts of future warming.



Professor Dominick Spracklen, co-author of the study, emphasized the need for the UK to lead the world in temperate rainforest restoration.



"The UK could and should be a global leader in restoration of temperate rainforests. New funding and bold action by large landowners are urgently needed to help deliver government targets for temperate rainforest restoration," said Spracklen.



Dr. Dominick A. DellaSala, Chief Scientist of the U.S group Wild Heritage, reiterated the importance of the world’s rainforests as the "lungs of the planet."



"All the world’s rainforests are the ‘lungs of the planet’ that must be protected and restored as natural climate solutions to avoid the worst of global overheating," said Dr. DellaSalla.



"Temperate rainforests need to take their place alongside tropical rainforests and the boreal forests of the north as strategically vital to a safe climate."



The study is published in the journal <a href="https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2024EF004812" target="_blank" rel="noreferrer noopener">Earth's Future</a>.



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Two-thirds of temperate rainforests could be lost this century

Rainforests are not just a symbol of natural beauty; they...

We often hear about the insidious creep of climate change and the warming that's altering landscapes around the world. Well, the Arctic and its plants aren't immune to this silent invasion.



New evidence suggests that it's not just the temperature change we should be monitoring, but also our hoofed friends out on the tundra. Arctic greening, as it is often called, might be more about caribou and muskoxen than we ever realized.



<h2 class="wp-block-heading" id="h-greening-of-the-arctic-landscape">Greening of the Arctic landscape </h2>



Research released from the University of California, Davis (<a href="https://www.ucdavis.edu/academics/graduate" target="_blank" rel="noreferrer noopener">UC Davis</a>) indicates that the large grazers of the Arctic landscape - the caribou and muskoxen - have a direct effect on the timing and abundance of Arctic plants.



This correlation reveals significant implications for the <a href="https://www.earth.com/news/why-planting-trees-in-the-arctic-is-not-a-good-climate-solution/" target="_blank" rel="noreferrer noopener">overall Arctic ecosystem</a>. 



The findings were recently detailed in a study published in the journal PNAS Nexus and illuminate the vital role that these large herbivores play in our understanding of the Arctic ecosystem.



The focus of the narrative so far has been climate change and the increasing temperatures, but there seems to be more to it than that.



<h2 class="wp-block-heading" id="h-plants-emerging-in-the-arctic">Plants emerging in the Arctic</h2>



To fully appreciate the impact of this discovery, it's essential that we first understand phenology- the study of timing and patterns in nature.



It's what alerts us when birds are migrating, or when a plant first bursts to life or bursts into bloom. Within the context of a rapidly warming <a href="https://www.earth.com/news/how-melting-arctic-sea-ice-could-disrupt-earths-climate/" target="_blank" rel="noreferrer noopener">Arctic</a>, understanding these patterns becomes critical.



“Caribou and muskoxen play a key role in how soon plants emerge and this translates to how abundant they become,” said lead author Eric Post, a professor and arctic ecologist in the UC Davis Department of Wildlife, Fish and Conservation Biology. 



“This is an important, and overlooked, factor we need to consider as we seek to more fully understand climate change impacts on tundra vegetation in the Arctic.”



<h2 class="wp-block-heading" id="h-herbivores-and-plant-growth">Herbivores and plant growth </h2>



The research that led to these insights was conducted over a period of 22 years near Kangerlussuaq, Greenland. Here, Post and his team designed an exclusion experiment to understand the effect of herbivores on the timing of plant growth and abundance.



The researchers compared the timing of spring green-up of nine plant species with and without the grazing animals, from 2009 to 2017.



The overall conclusion was that plants where caribou or muskoxen were present underwent earlier green-up and enjoyed greater abundance later into the growing season.



However, not all plants responded equally to the grazing. While about two-thirds of plants greened up earlier, and three-quarters thrived more effectively later in the season with grazing animals present, some species such as dwarf birch and harebell emerged later when grazers were present.



<h2 class="wp-block-heading" id="h-impact-of-herbivore-grazing">Impact of herbivore grazing</h2>



While it's still unclear why Arctic plants respond this way to the presence of grazers, what is clear is that there is a connection.



“We’re used to thinking of the timing of plant availability as impacting the productivity of grazing animals, but not the reverse,” Post said. “The absence or presence of herbivores can also impact the timing of plant growth and their productivity.”



This understanding becomes increasingly important in light of the <a href="https://www.earth.com/news/arctic-ocean-warming-four-times-faster-than-global-average/" target="_blank" rel="noreferrer noopener">current decline</a> of many caribou populations in the Arctic. According to the IUCN Red List, migratory tundra caribou are now considered vulnerable, having lost more than half of their total abundance since the 1990s.



<h2 class="wp-block-heading" id="h-planting-trees-in-the-arctic">Planting trees in the Arctic</h2>



In a related study, Post suggested that supporting sustainable populations of herbivores in the Arctic could be a more effective nature-based solution to climate change in the region than planting trees there. The findings of the PNAS Nexus study lend credence to this suggestion.



We now have a better understanding of the crucial role our hoofed friends play in the Arctic ecosystem, but it is clear that more research is needed.



The challenge is enormous, yet with every bit of new knowledge, we get one step closer to a comprehensive understanding of the <a href="https://www.earth.com/news/air-pollution-alters-the-atmosphere-in-the-remote-arctic/" target="_blank" rel="noreferrer noopener">Arctic ecosystem</a> and how we can best protect it against the backdrop of climate change.



The study is published in the journal <a href="https://dx.doi.org/10.1093/PNASNEXUS-2024-00279RR" target="_blank" rel="noreferrer noopener">PNAS Nexus</a>.



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Arctic grazers secretly shape plant growth and survival

We often hear about the insidious creep of climate change...

Psilocybin, a compound at the forefront of psychedelic research, has sparked new hope in the perennial quest for an effective cure for psychiatric ailments, particularly anorexia nervosa. 



A clinical trial conducted by researchers at the University of California, San Diego (UCSD) highlights how this compound could potentially revolutionize treatment methods and result in improved clinical outcomes.



<h2 class="wp-block-heading" id="h-psilocybin-s-effect-on-anorexia-patients">Psilocybin’s effect on anorexia patients</h2>



<a href="https://www.earth.com/news/mental-disorders-can-be-contagious-among-teens/" target="_blank" rel="noreferrer noopener">Anorexia nervosa</a> is a psychiatric disorder that has resisted conventional treatments and currently has no effective medications approved by the US Food and Drug Administration. It is also the psychiatric illness that holds the record for having the highest mortality rate.



The <a href="https://ucsd.edu/" target="_blank" rel="noreferrer noopener">UCSD</a> research explores the effect of psilocybin treatment on this condition and provides a first-hand account of its consequences.



“Our findings suggest that psilocybin may be helpful in supporting meaningful psychological change in a subset of people with anorexia nervosa," explained Dr. Stephanie Knatz Peck, lead author of the study.



"What's particularly interesting is that 60% of participants reported a reduction in the importance of physical appearance, while 70% noted quality-of-life improvements and shifts in personal identity."



<h2 class="wp-block-heading" id="h-psilocybin-treatment-outcomes">Psilocybin treatment outcomes </h2>



The clinical trial revealed some fascinating outcomes. An overwhelming 90% of participants described their psilocybin session as one of the top five most meaningful experiences of their lives.



Additionally, 40% of the subjects showed clinically significant reductions in eating disorder psychopathology.



However, despite these positive results, the study notes that improvements in psychological outlook did not necessarily translate to weight restoration. 



Furthermore, psilocybin treatment appeared to work very effectively for some individuals while others showed minimal improvements. 



These discrepancies highlight the need for further research, particularly into how genetic variations in serotonin receptors might influence treatment outcomes.



<h2 class="wp-block-heading" id="h-transformative-experience-for-some-patients">Transformative experience for some patients </h2>



The impact of this treatment transcends the scientific data and filters into the personal lives of the subjects. 



As one participant shared: “You are able to act in a way that maybe had felt unachievable before, if you set the right intention.”



Another participant echoed similar sentiments, stating: “Things might not look that different from the outside, but they feel completely different from the inside.”



<h2 class="wp-block-heading" id="h-further-research-is-needed">Further research is needed</h2>



The study employed a single 25mg dose of psilocybin alongside specialized <a href="https://www.earth.com/news/overweight-depression/" target="_blank" rel="noreferrer noopener">psychological</a> support before, during, and after administration. 



Despite showcasing potential, the results also highlight the intricacy of treating anorexia nervosa and suggest a synergistic approach might be the most effective.



Dr. Walter H. Kaye, the study's senior author and UCSD Eating Disorders Treatment Center director, maintains that while the findings are promising, they need to be backed by larger, well-controlled studies. 



This includes the use of <a href="https://www.earth.com/news/brain-imaging-method-will-unravel-mysteries-of-neural-processes/" target="_blank" rel="noreferrer noopener">brain imaging</a> and genetic analysis to ascertain who might benefit most from this innovative treatment approach.



<h2 class="wp-block-heading" id="h-personalized-medicine-for-eating-disorders">Personalized medicine for eating disorders </h2>



The fascinating findings of the clinical trial initiated new trajectories for personalized medicine for eating disorders. 



However, it also sparked a flurry of questions around optimizing therapeutic protocols for this vulnerable demographic. 



Surely, it's a profound addition to the current discourse around non-traditional treatment methods.



<h2 class="wp-block-heading" id="h-challenges-of-psilocybin-therapy">Challenges of psilocybin therapy</h2>



The promise of psilocybin as a treatment for anorexia nervosa comes with its share of challenges. One major concern is ensuring that the therapy takes place in a safe, supportive environment. 



Psychedelic experiences can be intense and unpredictable, making it crucial to have professional guidance in place to support patients before, during, and after treatment.



This guidance helps maximize the benefits while minimizing any potential risks or adverse reactions.



There are also questions about how psilocybin therapy could fit into existing treatment plans. Researchers are looking at how it might complement traditional methods like <a href="https://www.earth.com/search-results/?search=cognitive-behavioral%20therapy&amp;start=0" target="_blank" rel="noreferrer noopener">cognitive-behavioral therapy</a> to boost long-term recovery. 



As more studies are conducted, it will be vital to address these challenges and questions. Only then can psilocybin potentially become a reliable, safe, and effective treatment option for those battling the complexities of anorexia nervosa.



The journey forward is one of thorough research, careful observation, and continued exploration to bring the best possible outcome to patients who need it most.



The study is published in the journal <a href="https://pmc.ncbi.nlm.nih.gov/articles/PMC10427429/" target="_blank" rel="noreferrer noopener">Nature Medicine</a>.



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Psilocybin shows promise for treating anorexia

Psilocybin, a compound at the forefront of psychedelic research, has...

Endangered animals