Williams JE, Johnson JE, Hendrickson DA, Contreras- Balderas S, Williams JD, Navarro-Mendoza M, McAllister DE, Deacon JW (1989) Fishes of North America endangered, threatened, or of special concern: 1989. Fisheries, 14 (6), 2-20.
KSNPC-listed Species designated by the Kentucky State Nature Preserves Commission as endangered, threatened , special concern, or historic. Alkaline A chemical state that neutralizes acids and is greater than 7 (neutral) on the pH scale... G Abernathy,D White,EL Laudermilk,... 被引量: 10发...
Endangered species, any species that is at risk of extinction because of a sudden rapid decrease in its population or a loss of its critical habitat. Previously, any species of plant or animal that was threatened with extinction could be called an endang
Florida's endangered species, threatened species and species of special concern Current species conservation policy gives landowners little incentive to cooperate with information collection and may result in little conservation occurr... F Fish 被引量: 168发表: 2004年 Report of the Workshop "Conservat...
Unlike all but two of the over 500 other species of sharks, the whale shark it is a filter feeder. (The other two filter-feeding sharks are the basking shark, which is also endangered, and the megamouth shark, which is not currently threatened.) ...
Endangered Species Act (ESA) requires the Service to evaluate the status of species listed as threatened and endangered at least once every five years (5-year Review) and determine, based on that evaluation, whether any such species should be delisted, downlisted (from endangered to threatened)...
Although poaching has been responsible for keeping the number of tigers low during the past three decades, wild tigers would still be threatened even if all poaching ceased. In countries such as India, the needs of rapidly growing human populations over the last two centuries have reduced both ...
The Florida manatee, a state symbol once on the verge of extinction, has made a big comeback. Manatees were recently reclassified from endangered to a threatened species. However, some worry the enormous mammals will lose special protections they need to
colonies has hurt the burrowing owl. Canada considers it an endangered animal, according to Nature Canada. The states of Iowa and Minnesota also list it as endangered, while other states classify it either as threatened or else as a species of special concern, according to Defenders of Wildlife...
1). This species has special conservation importance due to its cultural significance, with the region taking its name, being one of the few trees in a shrub dominated landscape, as well as playing an important role in environmental education. Despite being among the most well-researched wild ...