نتایج جستجو برای: iucn
تعداد نتایج: 1889 فیلتر نتایج به سال:
The newly developed IUCN Red List of Ecosystems is part of a growing toolbox for assessing risks to biodiversity, which addresses ecosystems and their functioning. The Red List of Ecosystems standard allows systematic assessment of all freshwater, marine, terrestrial and subterranean ecosystem types in terms of their global risk of collapse. In addition, the Red List of Ecosystems categories an...
endangered, the highest level of threat. But one of the real problems facing the IUCN is a lack of data. More than half the 44 cetacean species are considered “data deficient”, meaning future research on population numbers is a priority. And the worry is that more data could show more species in trouble. The blue whale, fin whale and sei whale all remain listed as endangered until more evidence...
Codonoboea personatiflora Kiew & Y.Y.Sam, sp. nov., is described from lowland forest in the foothills in Terengganu, Peninsular Malaysia. It is unique in the genus in its personate flower. Its conservation status falls within the IUCN Endangered category.
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