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Fomitopsis pinicola -
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Explore a Wikiespécies
Colaboração com ZooKeys  Foi anunciada uma colaboração entre a Wikiespécies e ZooKeys. As imagens das espécies do ZooKeys serão enviadas para a Wikimedia Commons e utilizadas na Wikiespécies. |
Species of the monthLong-toed salamander
Ambystoma macrodactylum Baird, S.F. 1850 Some facts about this mole salamander in the family Ambystomatidae: Length: Typically 4.1–8.9 cm (1.6–3.5 in) when mature Range: The distribution of the long-toed salamander is primarily in the Pacific Northwest, Western North America, with an altitudinal range of up to 2,800 m (9,200 ft). Type locality: "Astoria, [Clatsop County,] Oregon", USA. Habitat: The Long-toed salamander lives in a variety of habitats, including temperate rainforests, coniferous forests, montane riparian zones, sagebrush plains, red fir forests, semiarid sagebrush, cheatgrass plains, and alpine meadows along the rocky shores of mountain lakes. It lives in slow-moving streams, ponds, and lakes during its aquatic breeding phase. The long-toed salamander hibernates during the cold winter months, surviving on energy reserves stored in the skin and tail. First described: By the American naturalist and museum curator Spencer Fullerton Baird in 1850. Conservation status: Not threatened. While the long-toed salamander is classified as Least Concern (LC) by the IUCN, many forms of land development negatively affect the salamander's habitat and have put new perspectives and priorities into its conservation biology. Conservation priorities focus at the population level of diversity, which is declining at rates ten times that of species extinction. Population level diversity is what provides ecosystem services, such as the keystone role that salamanders play in the soil ecosystems, including the nutrient cycling that supports wetland and forested ecosystems. The subspecies Ambystoma macrodactylum croceum Russell & Anderson, 1956 (Santa Cruz Long-toed Salamander) is of particular concern and it was afforded protections in 1967 under the US Endangered Species Act. This subspecies lives in a narrow range of habitat in Santa Cruz County and Monterey County, California. Prior to receiving protections, some few remaining populations were threatened by development. The subspecies is ecologically unique, having unique and irregular skin patterns on its back, a unique moisture tolerance, and it is also an endemic that is geographically isolated from the rest of the species range. Ambystoma macrodactylum croceum is considered Critically Imperiled (T1) by the NatureServe conservation status system. See also: Species of previous months. |
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