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Local extinction, also extirpation, is the termination of a species (or other taxon) in a chosen geographic area of study, though it still exists elsewhere. Local extinctions are contrasted with global extinctions .
Ecological extinction is "the reduction of a species to such low abundance that, although it is still present in the community, it no longer interacts significantly with other species". [ 1 ] Ecological extinction stands out because it is the interaction ecology of a species that is important for conservation work.
In ecology, extinction is sometimes used informally to refer to local extinction, in which a species ceases to exist in the chosen area of study, despite still existing elsewhere. Local extinctions may be made good by the reintroduction of individuals of that species taken from other locations; wolf reintroduction is an example
Defaunation is the global, local, or functional extinction of animal populations or species from ecological communities. [4] The growth of the human population , combined with advances in harvesting technologies, has led to more intense and efficient exploitation of the environment. [ 5 ]
Habitat destruction leading to climate change offsets the balance of species keeping up with the extinction threshold leading to a higher likelihood of extinction. [45] Habitat loss is one of the main environmental causes of the decline of biodiversity on local, regional, and global scales.
There are nearly 1,250 plants in NatureServe's "critically imperiled" category, the final stage before extinction, meaning that conservationists have to decide where to spend scant funds even ...
Groups advocated to list a distinct population segment (DPS) in those states for added federal protections but were denied by the U.S. Fish and Wildlife Service which argued the species ...
Oct. 29—Caribou will remain a state protected species despite being extinct in Washington. The Washington Department of Fish and Wildlife Commission voted unanimously to keep the protection ...