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...

Ammodorcas clarkei 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 -- Ammodorcas clarkei 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=0b0949fc84f043009fc678128ef9902f&amp;aqs=edge.0.69i59l2j69i57j69i60l3j0.712j0j9&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 dibatag, or Clarke's gazelle, is a medium-sized slender antelope native to Ethiopia and Somalia. Though not a true gazelle, it is similarly marked, with long legs and neck. It is often confused with the gerenuk due to their striking resemblance. The typical head-and-body length is about 103 to 117 cm. They stand up to about 80 to 90 cm. Male dibatag weigh between 20 and 35 kg, whereas females range from 22 and 29 kg. The length of the curved horns, present only on males, is typically between 10 and 25 cm. The upper parts are gray to fawn, while the dorsal and lateral areas are cinnamon to rufous. The underparts, rump and the insides of the legs are all white. While markings are visible on the face, there are none on the flanks or the buttocks. dibatag or Clarke’s gazelle, is found in the Ogaden region of eastern Ethiopia and adjacent parts of northern and central Somalia. This species is found mostly in the arid southeastern lowlands in Ethiopia, and local concentrations

Ammodorcas clarkei

Ammodorcas clarkei NatureServe Explorer Species Reports -- NatureServe Explorer is...

Ammodramus maritimus mirabilis 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=0b0949fc84f043009fc678128ef9902f&amp;aqs=edge.0.69i59l2j69i57j69i60l3j0.712j0j9&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 Cape Sable seaside sparrow is a subspecies of the seaside sparrow, a species of bird in the family Passerellidae native to the United States. This subspecies is endemic to southern Florida. It is designated endangered under the Endangered Species Act. Everglades National Park is home to one of eight remaining subspecies of Seaside Sparrow, the Cape Sable Seaside Sparrow (Ammodramus maritimus mirabilis), which is named for the southernmost point of land in the continental United States. Although the original range of this nonmigratory subspecies likely included all suitable freshwater and brackish water marsh habitats

Ammodramus maritimus mirabilis

Ammodramus maritimus mirabilis NatureServe Explorer Species Reports -- NatureServe Explorer...

Ammodramus savannarum floridanus 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=0b0949fc84f043009fc678128ef9902f&amp;aqs=edge.0.69i59l2j69i57j69i60l3j0.712j0j9&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 Florida grasshopper sparrow is an endangered subspecies of grasshopper sparrow native to the dry prairies of south-central Florida. The Florida grasshopper sparrow is one of four subspecies of grasshopper sparrows in North America, and is perhaps the most endangered. Despite biologists' best efforts, attempts at improving the declining population have been largely unsuccessful.The Florida grasshopper sparrow ( Ammodramus savannarum floridanus) is a fascinating grassland bird found only in the dry prairies of south-central Florida. This non-migratory subspecies is critically endangered as a result of range wide habitat loss, restricted distribution and population decline. Its secretive behavior makes this bird a challenge for biologists and land managers

Ammodramus savannarum floridanus

Ammodramus savannarum floridanus NatureServe Explorer Species Reports -- NatureServe Explorer...

Amphispiza belli clementeae 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/news/bird-populations-dropped/"> 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=0b0949fc84f043009fc678128ef9902f&amp;aqs=edge.0.69i59l2j69i57j69i60l3j0.712j0j9&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 San Clemente Island sage sparrow, Amphispiza belli clementeae, is gray with black streaks on its sides and a single black spot on its chest; it has dark cheeks, dark streaks on the sides of its throat, and a white line over the eyes. Length averages 7 in (17.8 cm). In 1898, the San Clemente was separated from the mainland races because of its larger body size and bill.is endemic to San Clemente Island off the coast of southern California. It occurs in three discontinuous patches of maritime sage scrub dominated by boxthorn (Lycium californicum): a narrow coastal belt on the western shore extending north from Seal Cove, a smaller area four kilometers to the south, and a degraded site just north

Amphispiza belli clementeae

Amphispiza belli clementeae NatureServe Explorer Species Reports -- NatureServe Explorer...

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 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 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.

Amytornis goyderi

NatureServe Explorer Species Reports -- NatureServe Explorer is a source...

Anacropora spinosa 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 --Anacropora spinosa 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=0b0949fc84f043009fc678128ef9902f&amp;aqs=edge.0.69i59l2j69i57j69i60l3j0.712j0j9&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.Anacropora spinosa is a species of briar coral that can be found in the central Indo-Pacific, Southeast Asia, the Solomon Islands, Japan, the East China Sea and the oceanic west Pacific Ocean. It is also found in Rodrigues and the Andaman Islands. It occurs in shallow reefs, from depths of 5–15 m. It is particularly susceptible to coral bleaching, disease and reduction of coral reef habitats. species of coral likely to be found in the Coral Triangle area (the Philippines to Timor Leste and east to the Solomon Islands). It is also confirmed to occur in southern Japan. Colonies of Anacropora spinosa have compact branches,that are pale brown in color, occasionally with white tips.. Under the Endangered Species Act, NOAA Fisheries must list threatened

Anacropora spinosa

Anacropora spinosa NatureServe Explorer Species Reports -- NatureServe Explorer is...

Anaea troglodyta floridalis 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. Anaea troglodyta floridalis F. Johnson &amp; W.P. Comstock, 1941. Family: Nymphalidae. Subfamily: Charaxinae. Identification: Forewing tip is slightly hooked and margin is straight; hindwing has a pointed tail. Upperside is red with dark outer margins but few other dark markings; forewing has a dark bar in the cell. Underside resembles a dead leaf.

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=0b0949fc84f043009fc678128ef9902f&amp;aqs=edge.0.69i59l2j69i57j69i60l3j0.712j0j9&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. Anaea troglodyta, the Florida leafwing, Portia or Florida goatweed butterfly, is a butterfly of the family Nymphalidae. It is found in southern Florida and on many islands of the Caribbean. In Jamaica, it is known as the Jamaican tropical leafwing and in the Cayman Islands and Cuba it is known as the Cuban red leaf.

Anaea troglodyta floridalis

Anaea troglodyta floridalis NatureServe Explorer Species Reports -- NatureServe Explorer...

Anairetes alpinus 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/news/bird-populations-dropped/">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 -- Anairetes alpinus 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=0b0949fc84f043009fc678128ef9902f&amp;aqs=edge.0.69i59l2j69i57j69i60l3j0.712j0j9&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 ash-breasted tit-tyrant is a species of bird in the family Tyrannidae. It is found in Bolivia and Peru. Its natural habitat is subtropical or tropical moist montane forests. It is threatened by habitat loss.Anairetes is believed to be most closely related to the genera Mecocerculus and Serpophaga; however, there is no definitive evidence supporting this claim. They are fairly small birds (11–14 cm) that get their common name from the tit family, due to their energetic tit-like dispositions and appearance, primarily in The ash-breasted tit-tyrant (Anairetes alpinus) is a species of bird in the family Tyrannidae. It is found in Bolivia and Peru.
Its natural habitat is subtropical or tropical moist montane forests. It is threatened by habitat loss.

Anairetes alpinus

Anairetes alpinus NatureServe Explorer Species Reports -- NatureServe Explorer is...

Anas aucklandica nesiotis 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 -- Anas aucklandica nesiotis 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=0b0949fc84f043009fc678128ef9902f&amp;aqs=edge.0.69i59l2j69i57j69i60l3j0.712j0j9&amp;FORM=ANAB01&amp;PC=HCTS">North America</a> and the world.In the past Anas aucklandica (Sibley and Monroe 1990, 1993) has been split into A. aucklandica, A. chlorotis and A. nesiotis following Daugherty et al. (1999). The Campbell teal or Campbell Island teal is a small, flightless, nocturnal species of dabbling duck of the genus Anas endemic to the Campbell Island group of New Zealand.

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 Campbell teal or Campbell Island teal is a small, flightless, nocturnal species of dabbling duck of the genus Anas endemic to the Campbell Island group of New Zealand. It is sometimes considered conspecific with the brown teal. The plumage is similar to that of the Auckland teal, dark sepia with the head and back tinged with green iridescence, and a chestnut breast on the male, with the female dark brown all over. Its natural habitat is tussock grassland dominated by Poa tussock grass, ferns and megaherbs. The species also uses the burrows and pathways of petrel species that nest on the islands.

Anas aucklandica nesiotis

Anas aucklandica nesiotis NatureServe Explorer Species Reports -- NatureServe Explorer...

Anas laysanensis 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 -- Anas laysanensis 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=0b0949fc84f043009fc678128ef9902f&amp;aqs=edge.0.69i59l2j69i57j69i60l3j0.712j0j9&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 Laysan duck, also known as the Laysan teal, is a dabbling duck endemic to the Hawaiian Islands. Fossil evidence reveals that Laysan ducks once lived across the entire archipelago, but today survive only on Laysan Island and two atolls. The duck has several physical and behavioral traits linked to the absence of ground-based predators in its habitat. By 1860, the ducks had disappeared from everywhere except Laysan Island. The introduction of European rabbits by guano miners at the end of the 19th century brought the bird to the brink of extinction in 1912, with twelve surviving individuals. Rabbits were eradicated from the island in 1923 and numbers of Laysan ducks began to rise

Anas laysanensis

Anas laysanensis NatureServe Explorer Species Reports -- NatureServe Explorer is...

Anas wyvilliana 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/news/bird-populations-dropped/">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 -- Anas wyvilliana 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=0b0949fc84f043009fc678128ef9902f&amp;aqs=edge.0.69i59l2j69i57j69i60l3j0.712j0j9&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 Hawaiian duck or koloa is a species of bird in the family Anatidae that is endemic to the large islands of Hawaiʻi. Taxonomically, the koloa is closely allied with the mallard. It differs in that it is monochromatic and non-migratory. As with many duck species in the genus Anas, Hawaiian duck and mallards can interbreed and produce viable offspring, and the koloa has previously been considered an island subspecies of the mallard. However, all major authorities now consider this form to be a distinct species within the mallard complex. Recent analyses indicate that this is a distinct species that arose through ancient hybridization between mallard and Laysan duck

Anas wyvilliana

Anas wyvilliana NatureServe Explorer Species Reports -- NatureServe Explorer is...

Anaxyrus californicus 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/news/bird-populations-dropped/">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 arroyo toad is a species of true toads in the family Bufonidae, endemic to California and Baja California state. It is currently classified as an Endangered species on the IUCN Red List of Threatened Species because of habitat destruction.

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=0b0949fc84f043009fc678128ef9902f&amp;aqs=edge.0.69i59l2j69i57j69i60l3j0.712j0j9&amp;FORM=ANAB01&amp;PC=HCTS">North America</a> and the world.occur in southwestern California and adjacent Baja California del Norte, Mexico, mostly on the coastal slopes, from the San Antonio River of southern Monterey County southward through the Transverse and Peninsular ranges to the Rio Santo Domingo. They also occupy a few drainages on the desert slopes of the San Gabriel and San Bernardino ranges

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.

Anaxyrus californicus

Anaxyrus californicus NatureServe Explorer Species Reports -- NatureServe Explorer is...

Anaxyrus canorus 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=936e8fd67b7b48e8a29fbd8135682005&amp;aqs=edge.0.69i59l2j69i57j69i60l3j0.1925j0j9&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 Yosemite toad is a species of true toad in the family Bufonidae. Endemic to the Sierra Nevada of California, the species ranges from the Alpine County to Fresno County. Yosemite toads are only found in the montane to subalpine elevational zone of 1,950–3,445 m asl. The Yosemite toad is similar to the nearby Western toad, but in many ways adapted to a high elevation lifestyle. It was initially described during the Grinnell Survey of California, by an undergraduate student of Joseph Grinnell named Charles Camp.

Anaxyrus canorus

Anaxyrus canorus NatureServe Explorer Species Reports -- NatureServe Explorer is...

Andrias davidianus (=davidianus d.)

Andrias japonicus (=davidianus j.) 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=936e8fd67b7b48e8a29fbd8135682005&amp;aqs=edge.0.69i59l2j69i57j69i60l3j0.1925j0j9&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 Japanese giant salamander (Andrias japonicus) is a <a title="Species" href="https://en.wikipedia.org/wiki/Species">species</a> of <a title="Salamander" href="https://en.wikipedia.org/wiki/Salamander">salamander</a> in the <a title="Family (biology)" href="https://en.wikipedia.org/wiki/Family_(biology)">family</a> <a class="mw-redirect" title="Cryptobranchidae" href="https://en.wikipedia.org/wiki/Cryptobranchidae">Cryptobranchidae</a>. The species is <a title="Endemism" href="https://en.wikipedia.org/wiki/Endemism">endemic</a> to <a title="Japan" href="https://en.wikipedia.org/wiki/Japan">Japan</a>, where it is known as Ōsanshōuo literally meaning "giant <a title="Zanthoxylum piperitum" href="https://en.wikipedia.org/wiki/Zanthoxylum_piperitum">pepper</a> fish". With a length of up to 5 feet (1.5 m), it is the third-largest <a title="Salamander" href="https://en.wikipedia.org/wiki/Salamander">salamander</a> in the world, only being surpassed by the very similar and closely related <a title="Chinese giant salamander" href="https://en.wikipedia.org/wiki/Chinese_giant_salamander">Chinese giant salamander</a> (A. davidianus) and <a title="South China giant salamander" href="https://en.wikipedia.org/wiki/South_China_giant_salamander">South China giant salamander</a> (A. sligoi). There are currently only five known members of the family <a class="mw-redirect" title="Cryptobranchidae" href="https://en.wikipedia.org/wiki/Cryptobranchidae">Cryptobranchidae</a>: the Japanese, Chinese, and South China giant salamanders, an undescribed Andrias species from eastern China, and the <a title="Hellbender" href="https://en.wikipedia.org/wiki/Hellbender">hellbender</a> (Cryptobranchus alleganiensis).

Japanese giant salamanders are widespread across rivers in southwestern Japan. The species frequently hybridizes with Chinese giant salamanders, which were introduced to the area.The Japanese giant salamander can be distinguished from the Chinese giant salamander by the arrangement of <a class="mw-redirect" title="Tubercles" href="https://en.wikipedia.org/wiki/Tubercles">tubercles</a> on the head and throat. The tubercles are larger and more numerous compared to the mostly single and irregularly scattered tubercles of the Chinese giant salamander. The snout is also more rounded, and the tail is slightly shorter

Andrias japonicus (=davidianus j.)

Andrias japonicus (=davidianus j.) NatureServe Explorer Species Reports -- NatureServe...

Anguispira picta 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=936e8fd67b7b48e8a29fbd8135682005&amp;aqs=edge.0.69i59l2j69i57j69i60l3j0.1925j0j9&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.Anguispira picta, common names painted snake-coiled forest snail and painted tigersnail, is a rare species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Discidae, the disc snails.Anguispira picta, common names painted snake-coiled forest snail and painted tigersnail, is a rare species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Discidae, the disc snails.
This species is native to Tennessee in the United States, where it is known only from Franklin County. It may possibly also occur just over the border in Alabama. It is a federally listed threatened species of the United States.

Anguispira picta

Anguispira picta NatureServe Explorer Species Reports -- NatureServe Explorer is...

Anodorhynchus glaucus 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=0b0949fc84f043009fc678128ef9902f&amp;aqs=edge.0.69i59l2j69i57j69i60l3j0.712j0j9&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.Anodorhynchus is a genus of large blue macaws from open and semi-open habitats in central and eastern South America. It includes two extant species, the hyacinth macaw and Lear's macaw also known as the indigo macaw, and one probably extinct species, the glaucous macaw. At about 100 centimetres in length the hyacinth macaw is the longest parrot in the world. Glaucous and Lear's macaws are exclusively cliff nesters; hyacinth macaws are mostly tree nesters. The three species mainly feed on the nuts from a few species of palms

Anodorhynchus glaucus

Anodorhynchus glaucus NatureServe Explorer Species Reports -- NatureServe Explorer is...

Anodorhynchus leari 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. Lear's macaw (Anodorhynchus leari), also known as the indigo macaw, is a large all-blue Brazilian parrot, a member of a large group of neotropical parrots known as macaws. It was first described by Charles Lucien Bonaparte in 1856. Lear's macaw is 70–75 cm (28–30 in) long and weighs around 950 g (2.09 lb). It is metallic blue with a faint, often barely visible, tinge of green, and a yellow patch of skin at the base of the heavy, black bill.

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=b8d82ea8aeaf42d9bfe752a2afa05139&amp;aqs=edge.0.69i59l2j69i57j69i60l3j0.1322j0j9&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. Lear's macaw, also known as the indigo macaw, is a large all-blue Brazilian parrot, a member of a large group of neotropical parrots known as macaws. It was first described by Charles Lucien Bonaparte in 1856. Lear's macaw is 70–75 cm long and weighs around 950 g. It is metallic blue with a faint, often barely visible, tinge of green, and a yellow patch of skin at the base of the heavy, black bill.

Anodorhynchus leari

Anodorhynchus leari NatureServe Explorer Species Reports -- NatureServe Explorer is...

There is a fruit called the 'squirting cucumber' that fires its seeds like mini ballistic missiles. But how does it do this? Researchers seem to have solved this mystery -- a question that has baffled scientists for hundreds of years.



The results of a recent study, based on a myriad of experiments, high-speed videography, image scrutiny, and advanced mathematical modeling, are published in the journal Proceedings of the National Academy of Sciences (PNAS).



<h2 class="wp-block-heading" id="h-understanding-the-squirting-cucumber">Understanding the squirting cucumber</h2>



The squirting cucumber, or Ecballium elaterium, derives its name from its unique method of <a href="https://www.earth.com/news/plant-seeds-go-dormant-to-avoid-harsh-conditions/" target="_blank" rel="noreferrer noopener">seed</a> dispersal.



As the fruit ripens, it transitions into a seed-launching machine, that can shoot out seeds enveloped in a jet of mucus-like fluid.



In a minuscule span of just 30 milliseconds, the seeds are propelled at speeds of around 20 meters per second or 44 miles per hour, enabling them to land a considerable distance away (approximately 10 meters or 33 feet). 



This is equal to around 250 times the length of the fruit itself .



<h2 class="wp-block-heading" id="h-decoding-seed-dispersal">Decoding seed dispersal</h2>



Despite the fruit's intriguing <a href="https://www.earth.com/news/birds-increase-forest-recovery-by-dispersing-seeds/" target="_blank" rel="noreferrer noopener">seed dispersal</a> method, the mechanism behind it -- as well as its impact on the plant's reproduction -- remained elusive until recently.



Scientists from the <a href="https://www.ox.ac.uk" target="_blank" rel="noreferrer noopener">University of Oxford</a> and the <a href="https://www.manchester.ac.uk" target="_blank" rel="noreferrer noopener">University of Manchester</a> ran a battery of tests on Ecballium specimens grown at the University of Oxford Botanic Garden.



These experiments included capturing the seed dispersal in motion using a high-speed camera, conducting indentation tests, measuring the volume of the fruit and stem before and after dispersal, and observing the fruit's changes through time-lapse photography. 



Armed with this data, the team devised mathematical models to describe and understand the internal and external mechanics at play.



<h2 class="wp-block-heading" id="h-fluid-distribution-in-squirting-cucumber">Fluid distribution in squirting cucumber</h2>



The team's rigorous approach resulted in the identification of key features of the plant's <a href="https://www.earth.com/news/insects-play-a-much-bigger-role-in-seed-dispersal-than-we-thought/" target="_blank" rel="noreferrer noopener">seed dispersal strategy</a>. 



These involve a highly pressurized system, fluid redistribution, rapid recoil, and variable launch - that together form a sophisticated launch system.



The fluid redistribution from the fruit back into the stem, a feature thought to be unique to the squirting cucumber, was among the most significant findings.



<div class="wp-block-sendtonews-playerselector">[sendtonews key="4NlCX5nNI6-4062310-12187" type="single"]</div>



<h2 class="wp-block-heading" id="h-fine-tuning-for-successful-seed-dispersal">Fine-tuning for successful seed dispersal</h2>



The team's mathematical model helped them explore the effects of altering different parameters, and revealed that the squirting cucumber's seed projection method has been naturally fine-tuned for optimal dispersal and propagation.



For instance, making the stem thicker and stiffer led to a narrower <a href="https://www.earth.com/news/woodlice-prove-crucial-players-plant-seed-dispersal/" target="_blank" rel="noreferrer noopener">dispersal area</a> and, therefore, a lower survival rate.



On the other hand, reducing the fluid transferred from the fruit to the stem caused the seeds to be ejected at accelerated speeds but with a nearly vertical launch angle, again resulting in reduced dispersal and survival rates.



<h2 class="wp-block-heading" id="h-mechanisms-of-a-unique-plant">Mechanisms of a unique plant</h2>



"For centuries people have asked how and why this extraordinary plant sends its seeds into the world in such a violent way," said Dr. Chris Thorogood, Deputy Director and Head of Science at the <a href="https://obga.ox.ac.uk/" target="_blank" rel="noreferrer noopener">Oxford Botanic Garden</a>.



"Now, as a team of biologists and mathematicians, we’ve finally begun to unravel this great botanical enigma." 



Dr. Derek Moulton, professor of Applied Mathematics at the Oxford <a href="https://www.maths.ox.ac.uk" target="_blank" rel="noreferrer noopener">Mathematical Institute</a>, also participated in the research.



"The first time we inspected this plant in the Botanic Garden, the <a href="https://www.earth.com/news/one-third-of-europes-plants-at-risk-due-to-decline-in-seed-dispersers/" target="_blank" rel="noreferrer noopener">seed</a> launch was so fast that we weren’t sure that it had actually happened. It was very exciting to dig in and uncover the mechanism of this unique plant," Dr. Moulton explained.



<h2 class="wp-block-heading" id="h-beyond-seed-dispersal">Beyond seed dispersal</h2>



According to Dr. Finn Box, a Royal Society University Research Fellow at the University of Manchester, this study has implications beyond botany.



<figure class="wp-block-image aligncenter size-full"><a href="https://www.earth.com/wp-content/uploads/2024/11/squirting-cucumber_Ecballium-elaterium_squirting-seeds_UOxford_1m.jpg" target="_blank" rel="noreferrer noopener"><img src="https://www.earth.com/wp-content/uploads/2024/11/squirting-cucumber_Ecballium-elaterium_squirting-seeds_UOxford_1s.webp" alt="A still showing the jet ejected from a squirting cucumber, which carries its seeds distances of up to 10m away from the mother plant. Credit: Dominic Vella" class="wp-image-1951606"/></a><figcaption class="wp-element-caption">A still showing the jet ejected from a squirting cucumber, which carries its seeds distances of up to 10m away from the mother plant. Credit: Dominic Vella</figcaption></figure>



"This research offers potential applications in bio-inspired engineering and material science, particularly on-demand drug delivery systems, for instance microcapsules that eject nanoparticles where precise control of rapid, directional release is crucial," said Dr. Box.



<h2 class="wp-block-heading" id="h-the-squirting-cucumber-a-part-of-history">The squirting cucumber: A part of history</h2>



Ecballium elaterium, a member of the Cucurbitaceae family, which also includes melon, pumpkin, squash, and courgette, is native to the Mediterranean region where it is commonly regarded as a weed due to its effective seed-dispersal strategy.



This plant caught the attention of ancient Greeks and Romans alike, with naturalist Pliny the Elder describing its powerful <a href="https://www.earth.com/news/fossil-reveals-how-plants-use-winged-seeds-to-expand-their-habitats/" target="_blank" rel="noreferrer noopener">seed launch</a> centuries ago.



<h2 class="wp-block-heading" id="h-conservation-and-future-research">Conservation and future research</h2>



Given the squirting cucumber's extensive use as a model for understanding complex biological phenomena, conserving its natural habitats becomes imperative. This plant holds significant scientific and ecological value.



Future research could investigate the genetic underpinnings of its unique <a href="https://www.earth.com/news/insects-play-a-much-bigger-role-in-seed-dispersal-than-we-thought/" target="_blank" rel="noreferrer noopener">dispersal system</a>, linking it to other species within the Cucurbitaceae family to unravel shared evolutionary traits.



Additionally, exploring the potential for cross-disciplinary applications, from environmental management to biomimicry in engineering, could broaden our perspective on how such ecological marvels can benefit human society while preserving biodiversity.



The study is published in the journal <a href="https://www.pnas.org/doi/10.1073/pnas.2410420121" target="_blank" rel="noreferrer noopener">Proceedings of the National Academy of Sciences</a>.



Video Credit: Dominic Vella



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How the 'squirting cucumber' squirts and the trigger that makes it happen

There is a fruit called the 'squirting cucumber' that fires...

Plant reproduction is fundamental to our food systems and ecological balance, yet it remains a complex and diverse process.&nbsp;



Some plants are male or female, others are hermaphroditic, and some even change sex over their lifetime.&nbsp;



Understanding the mechanisms that determine plant sex is crucial for advancing modern agriculture.



<h2 class="wp-block-heading" id="h-reproductive-strategies-of-flowering-plants">Reproductive strategies of flowering plants</h2>



A study published in the journal <a href="http://dx.doi.org/10.1038/s41477-024-01858-x" target="_blank" rel="noreferrer noopener">Nature Plants</a> has unveiled new perspectives on the intricate reproductive strategies of flowering plants. 



Led by researchers at the <a href="https://www.hudsonalpha.org/" target="_blank" rel="noreferrer noopener">HudsonAlpha Institute for Biotechnology</a> and the University of Georgia, the study was focused on the genetics of Amborella trichopoda. This unique species offers a rare glimpse into the early evolution of flowering plants. 



By producing a much-improved assembly of the Amborella genome and its sex chromosomes, the researchers have gained valuable insights into <a href="https://www.earth.com/news/fibonacci-spirals-an-unexpected-twist-in-plant-evolution/" target="_blank" rel="noreferrer noopener">plant evolution</a> and reproduction.



<h2 class="wp-block-heading" id="h-evolution-of-the-amborella-genome">Evolution of the Amborella genome</h2>



Amborella trichopoda is the sole surviving member of a lineage that branched off early from all other flowering plants. Its genome provides essential information about the genetic foundations of <a href="https://www.earth.com/news/how-plant-diversity-can-help-combat-climate-change/" target="_blank" rel="noreferrer noopener">plant diversity</a>.



Eleven years ago, an international team of researchers co-led by Jim Leebens-Mack, a professor of plant biology at the University of Georgia, completed the first Amborella genome. The results, published in <a href="https://www.science.org/doi/10.1126/science.1241089?adobe_mc=MCMID%3D90780648708216300104417575982572668868%7CMCORGID%3D242B6472541199F70A4C98A6%2540AdobeOrg%7CTS%3D1732616953">Science</a> in 2013, have been cited over 575 times.



“The evolutionary lineage leading to Amborella diverged from all other flowering plant lineages approximately 150 million years ago, so our draft genome published in 2013 has been a foundation for comparative analyses of genes tracing back to the origin of <a href="https://www.earth.com/news/tree-of-life-created-for-flowering-plants-using-400-million-specimens/" target="_blank" rel="noreferrer noopener">flowering plants</a> and earlier,” Leebens-Mack said.



<h2 class="wp-block-heading" id="h-new-insights-into-the-evolution-of-flowers">New insights into the evolution of flowers</h2>



The new insights from the improved genome assembly are particularly exciting for HudsonAlpha Faculty Investigator Alex Harkess, who was a PhD student in Leebens-Mack's lab during the original Amborella genome project.&nbsp;



Now leading his own lab at HudsonAlpha, Harkess and his mentee, senior scientist Sarah Carey, collaborated with Leebens-Mack and HudsonAlphafFaculty investigators Jeremy Schmutz and Jane Grimwood, on the new genome analyses.



“Working on the original Amborella genome in Jim's lab was transformative because it allowed me as a first-year PhD student to be on the very edge of newly developing technologies and software that was coming out to help handle all of this massive genomic data we were creating,” Harkess reflected.&nbsp;



“This <a href="https://www.earth.com/news/how-does-genome-size-impact-evolutionary-success/">genome</a> reveals so much about the evolution of flowers, but also about the evolution of my own research career and the way I, and now my entire laboratory, view reproduction through the lens of diversity.”



Carey, who was a postdoctoral fellow in the Harkess lab when the new genome assembly was completed, led much of the genome analysis, including the study of the Amborella sex chromosomes.



<h2 class="wp-block-heading" id="h-advanced-technology-and-plant-reproduction">Advanced technology and plant reproduction </h2>



Thanks to advanced sequencing and assembly technology, as well as emerging computational tools, Carey and the team at the HudsonAlpha Genome Sequencing Center were able to assemble a significantly improved Amborella genome.&nbsp;



The new, highly contiguous genome reference made it easier to search for the Amborella <a href="https://www.earth.com/news/how-do-animals-balance-their-sex-chromosomes/" target="_blank" rel="noreferrer noopener">sex chromosomes</a>, which are Z and W chromosomes, unlike the familiar human X and Y chromosomes.



“The first Amborella genome was a mixture of short segments of DNA from different sequencing types and technologies,” Carey explained.&nbsp;



“Advancements in long-read sequencing and access to other pieces of information, like Hi-C data, allowed us to assemble larger pieces that made it easier to search for the ZW chromosomes than if it were in lots of smaller pieces.”



In addition to the improved sequencing tools, the team stayed at the forefront of new computational methods.&nbsp;



They developed a pipeline called cytogenetics-by-sequencing to more easily and cost-effectively identify and characterize sex chromosomes in plants, successfully applying it to nearly 30 dioecious plant and animal species.



<h2 class="wp-block-heading" id="h-the-mechanisms-of-sex-determination">The mechanisms of sex determination</h2>



Through their analysis of the Amborella sex chromosomes, the researchers discovered intriguing aspects of the plant's sex-determination system.&nbsp;



Notably, the Z and W chromosomes are relatively young, having emerged more than 100 million years after Amborella diverged from other flowering plant lineages.



In many sex-determination systems, such as the human Y chromosome, the sex chromosomes stop exchanging genetic material with their partner chromosome - a phenomenon known as recombination suppression.&nbsp;



This allows the two sex chromosomes to diverge over time due to different rearrangements, deletions, and insertions.



<h2 class="wp-block-heading" id="h-genes-associated-with-flower-evolution">Genes associated with flower evolution</h2>



While the team found evidence of suppressed recombination in Amborella, the Z and W chromosomes appear very similar, making their assembly more challenging.



“The cytogenetics-by-sequencing pipeline helped us to identify a difficult border on the Amborella sex chromosomes: where they no longer recombine,” Carey noted.&nbsp;



“This is an important task because within this region of non-recombination are expected to be the carpel and stamen sterility genes associated with the evolution of separate female and male plants.”



By carefully analyzing the sex chromosomes, Carey and the team identified two genes hypothesized to be responsible for sex determination in Amborella.



<h2 class="wp-block-heading" id="h-implications-for-agriculture-and-plant-breeding">Implications for agriculture and plant breeding</h2>



“The big picture takeaway from this study is that we're learning another exception for how you can maintain separate sexes in plants,” Harkess said.&nbsp;



“That gives us another tool in our toolkit for engineering new ways to do plant breeding, creating separate sexes, preventing plants from self-pollinating, and enforcing outcrossing in a way that is controllable and predictable.”



The new Amborella genome project was part of the <a href="https://jgi.doe.gov/csp-2018-leebens-mack-open-green-genomes-initiative/" target="_blank" rel="noreferrer noopener">Open Green Genomes Initiative</a>, a Department of Energy Joint Genome Institute Community Science Program.



“The Open Green Genomes initiative is filling phylogenetic gaps in the availability of reference-quality genomes for land plants,” said Leebens-Mack, lead principal investigator for the initiative.&nbsp;



“Our haplotype-resolved chromosomal assembly of the Amborella genome has enabled us to better understand aspects of the ancestral angiosperm genome and the derived characteristics of Amborella's sex chromosomes."



This research not only advances our understanding of plant reproduction but also offers practical applications for agriculture and plant breeding.&nbsp;



By unraveling the genetic mechanisms behind sex determination in plants, scientists can develop new strategies to improve crop yields, enhance biodiversity, and ensure <a href="https://www.earth.com/news/vaccinating-plants-could-boost-global-food-security/" target="_blank" rel="noreferrer noopener">food security</a>.



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A new window into the early evolution of flowering plants

Plant reproduction is fundamental to our food systems and ecological...

Ethiopian wolves, which are primarily carnivorous, have been observed feeding on the Ethiopian red hot poker flower - an unusual and fascinating behavior.



Furthermore, careful observations have revealed that the wolves are not only feeding on the nectar of these flowers but are also inadvertently playing a pivotal role in the pollination process.



<h2 class="wp-block-heading" id="h-pollination-by-ethiopian-wolves">Pollination by Ethiopian wolves </h2>



As the wolves feed, their muzzles become generously dusted with pollen, allowing them to transport the pollen from one flower to another as they continue to feed.



This remarkable behavior is possibly the first observed instance of plant-pollinator interaction that involves a large predator.



It’s a rarity to spot a primarily meat-eating predator indulging in nectar; this behavior challenges common perceptions and opens up exciting new avenues for research.



Dr. Sandra Lai is a senior scientist from the University of Oxford and lead author of the study.



"These findings highlight just how much we still have to learn about one of the world's most-threatened <a href="https://www.earth.com/news/assessments-of-large-african-carnivores-urgently-needed/" target="_blank" rel="noreferrer noopener">carnivores</a>. It also demonstrates the complexity of interactions between different species living on the beautiful Roof of Africa. This extremely unique and biodiverse ecosystem remains under threat from habitat loss and fragmentation," noted Dr. Lai.



<h2 class="wp-block-heading" id="h-unusual-source-of-energy">Unusual source of energy</h2>



Professor Claudio Sillero, the director of the Ethiopian Wolf Conservation Programme (EWCP) and a distinguished faculty member from the <a href="https://www.ox.ac.uk/" target="_blank" rel="noreferrer noopener">University of Oxford</a>, was the first person to observe this behavior.



"I first became aware of the nectar of the Ethiopian red hot poker when I saw children of shepherds in the Bale Mountains licking the flowers. In no time, I had a taste of it myself - the <a href="https://www.earth.com/news/sipping-on-nectar-hummingbirds-consume-a-surprising-amount-of-alcohol/" target="_blank" rel="noreferrer noopener">nectar</a> was pleasantly sweet," said Professor Sillero.



"When I later saw the wolves doing the same, I knew they were enjoying themselves, tapping into this unusual source of energy. I am chuffed that we have now reported this behaviour as being commonplace among Ethiopian wolves and explored its ecological significance."



<h2 class="wp-block-heading" id="h-ethiopian-wolves-guardians-of-the-highlands">Ethiopian wolves: Guardians of the highlands</h2>



Ethiopia's&nbsp;endangered&nbsp;wolf,&nbsp;or&nbsp;"Roof of Africa's fox," is one of the world's most <a href="https://www.earth.com/news/nasa-is-tracking-endangered-animal-habitats-from-space/" target="_blank" rel="noreferrer noopener">endangered</a> carnivores.



The species is&nbsp;only&nbsp;found on&nbsp;Ethiopia's&nbsp;high-altitude grasslands&nbsp;where it is an&nbsp;essential part of this fragile Afroalpine ecosystem.



With fewer than 500 individuals left in the wild, their survival speaks to the challenges and beauty of this unique landscape.



Ethiopian&nbsp;wolves live&nbsp;in&nbsp;approximately&nbsp;99 packs&nbsp;that&nbsp;are&nbsp;to be found in six isolated, highland regions. They are entirely dependent&nbsp;on&nbsp;the&nbsp;environment&nbsp;in which they&nbsp;live. The threats&nbsp;from <a href="https://www.earth.com/news/hippopotamus-population-hit-hard-by-habitat-destruction/" target="_blank" rel="noreferrer noopener">habitat&nbsp;destruction</a>&nbsp;and human activity&nbsp;are perpetual pressures on the remaining individuals.



Even though&nbsp;their&nbsp;count is&nbsp;low, these wolves play an&nbsp;important&nbsp;role in&nbsp;being&nbsp;the top predator of the ecosystem and controlling&nbsp;rodent&nbsp;populations,&nbsp;which form the majority of their prey.



These&nbsp;are&nbsp;no&nbsp;ordinary&nbsp;wolves;&nbsp;they are guardians of a habitat that is&nbsp;home&nbsp;to&nbsp;countless species, including many other plants and pollinators.



<h2 class="wp-block-heading" id="h-ethiopian-wolf-conservation-program">Ethiopian Wolf Conservation Program</h2>



Initiated in 1995, the Ethiopian Wolf Conservation Program (EWCP) has made sustained efforts to protect these unique <a href="https://www.earth.com/news/wolves-may-not-be-heroes-but-theyre-not-villains-either/" target="_blank" rel="noreferrer noopener">wolves</a> and their precious habitat from extinction and threats.



It is a collaborative initiative between the Wildlife Conservation Research Unit (WildCRU) at the University of Oxford, the Ethiopian Wildlife Conservation Authority (EWCA), and Dinkenesh Ethiopia. 



This iniative holds the distinction of being the longest-running conservation program in Ethiopia, and has worked relentlessly to safeguard the future of natural habitats for the benefit of wildlife and the people who co-habit these highlands.



Being witness to such remarkable behavior from these wolves reinforces the importance of our conservation efforts and renews our commitment to preserving these magnificent creatures and their habitat.



<h2 class="wp-block-heading" id="h-wolves-and-flowers-a-symbiotic-connection">Wolves and flowers: A symbiotic connection</h2>



The unexpected interaction between Ethiopian wolves and the Ethiopian red hot poker flower highlights the intricate relationships that can exist between species in delicate ecosystems.



While the wolves gain a supplementary energy source through the flower’s nectar, the plants benefit from a reliable pollinator that helps ensure their successful reproduction.



This symbiotic relationship demonstrates how even apex predators can contribute to the health of their environment in surprising ways.



Such interactions also emphasize the interconnectedness of life in the Ethiopian highlands where every species, from the smallest plant to the largest predator, plays a vital role in sustaining the ecosystem.



Recognizing and studying these complex dynamics could open doors to more innovative and inclusive conservation strategies that prioritize not just individual species but the broader web of life in ecosystems.



The full study was published in the journal <a href="https://esajournals.onlinelibrary.wiley.com/doi/10.1002/ecy.4470" target="_blank" rel="noreferrer noopener">Ecology</a>.



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First wolf species discovered that eats fruit and pollinates flowers

Ethiopian wolves, which are primarily carnivorous, have been observed feeding...

Few sights can be as awe-inspiring as New Zealand's legendary "walking tree," a towering ancient giant that stands like a sentinel from a fantasy world.



This extraordinary tree remains unmatched, as though it has stepped right out of the imagination of J.R.R. Tolkien, author of The Lord of the Rings.



<h2 class="wp-block-heading" id="h-champion-of-the-forest">Champion of the forest</h2>



The "walking tree" is no ordinary one. It recently won the title of New Zealand's Tree of the Year with ease, claiming 42% of the public vote and leaving five other finalists behind. The contest was organized by the <a href="https://www.nzarb.org.nz" target="_blank" rel="noreferrer noopener">New Zealand Arboricultural Association</a>.



The tree that seems to be on a stroll is not just unique in its appearance; it carries a rich legacy that stretches back centuries.



<h2 class="wp-block-heading" id="h-journey-of-the-walking-tree">Journey of the walking tree</h2>



The tree - a northern rātā (Metrosideros robusta) - has its roots on the west coast of South Island, near Karamea.



Reaching heights of up to 105 feet (equal to a seven-story building), it exists as a remarkable symbol of nature's ingenuity and endurance. The tree stands by a cemetery, the lone survivor of a <a href="https://www.earth.com/news/worlds-oldest-forest-discovered-close-to-new-york-city/" target="_blank" rel="noreferrer noopener">forest</a> that was cleared about 150 years ago.



Brad Cadwallader, organizer of the Tree of the Year competition, told Radio New Zealand that during the voting, the walking tree "strode out into the lead right from the very start."



"The farming family back then clearly thought it was special because they left it," noted Cadwallader.



This tree has been described as an "exceptional feature" and a "prime example of the remarkable trees that we, as New Zealanders, are fortunate to experience," said NZ Arb president Richie Hill in a statement.



<h2 class="wp-block-heading" id="h-a-tale-of-growth-and-survival">A tale of growth and survival</h2>



Northern rātā trees are <a href="https://www.earth.com/news/epiphytes-are-increasingly-threatened-by-forest-disturbances/" target="_blank" rel="noreferrer noopener">epiphytes</a>, a type of tree that starts growing on the surface of a host tree before growing aerial roots that reach to the ground.



This walking tree likely lived, initially, high up in the canopy of its host, surviving on air and rainwater before it finally grounded itself.



Its unusual root layout is probably due to how it grew around its host tree, which probably died off centuries ago.



“That <a href="https://www.earth.com/search-results/?search=host%20tree&amp;start=0" target="_blank" rel="noreferrer noopener">host tree</a> has now gone," said Cadwallader. "Maybe the tree was either very, very big, or there may have been another tree that fell and lent against the host tree, and that's why the roots have split near the ground and given it that walking appearance.”



<h2 class="wp-block-heading" id="h-plight-of-the-northern-rata">Plight of the northern rātā</h2>



Unfortunately, the majestic northern rātā is under significant threat. Once common in New Zealand's forests, these trees are now listed as nationally vulnerable.



Multiple factors, such as <a href="https://www.earth.com/news/global-deforestation-crisis-how-can-we-stop-massive-forest-losses/" target="_blank" rel="noreferrer noopener">deforestation</a> and the invasive common brushtail possums, which wreak havoc by devouring the leaves and gnawing at the roots, pose significant threats.



The trees face danger from <a href="https://www.earth.com/news/scrub-mint-almost-extinct-lived-earth-millions-years/" target="_blank" rel="noreferrer noopener">hybridization</a> with the closely related pōhutukawa trees. They are also susceptible to myrtle rust, a pathogenic fungus that is native to South America but was detected in New Zealand for the first time in 2017.



As we appreciate the beauty and uniqueness of the "walking tree," it’s crucial to take note of the environmental challenges these giants face. Although the trees are evidence of nature's resilience, they also serve as a stark reminder of our responsibility to protect and preserve them.



<h2 class="wp-block-heading" id="h-cultural-and-ecological-legacy-of-the-walking-tree">Cultural and ecological legacy of the walking tree</h2>



The walking tree is more than just a botanical marvel; it serves as a living emblem of New Zealand's deep connection to its natural world.



For the indigenous Māori people, trees like the northern rātā are taonga, or treasures, woven into cultural myths, rituals, and traditions.



The rātā, with its crimson flowers, is often associated with strength, endurance, and renewal - qualities that are certainly epitomized by this lone survivor near Karamea.



Ecologically, the northern rātā plays a critical role in its environment. Its towering canopy provides shelter and sustenance for native birds like the tūī and kererū, while its roots stabilize the soil and prevent erosion.



The walking tree, standing alone and surrounded by cleared land, reminds us of what has been lost - and what still needs to be preserved.



As New Zealanders rally around this extraordinary tree, it becomes a symbol of hope and a call to action for conservation efforts. 



Protecting such iconic species ensures that future generations will not only learn about them in stories but also experience their majesty firsthand.



Image Credit: Gareth Andrews



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New Zealand’s 'walking tree': The final remains of a lost forest

Few sights can be as awe-inspiring as New Zealand's legendary...

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...

Endangered animals