| Philippines - 2001 - 62 páginas
...pollen and the like. (k) "Endangered species" shall refer to species or subspecies whose populations are in danger of extinction and whose survival is unlikely if the causal factors continue operating. (1) "Endemic species" shall refer to species or subspecies which has limited distribution, often within... | |
| Richard Fitter, Maisie Fitter - 1987 - 136 páginas
...slightly, and some criteria stated. For example, the Mammal RDB (IUCN 1972) defines endangered as: 'Taxa in danger of extinction and whose survival is...the causal factors continue operating. Included are those taxa whose numbers have been reduced to a critical level or whose habitats have been so drastically... | |
| 1987 - 102 páginas
...(criterion as used by the Convention on International Trade in Endangered Species of Wild Fauna and Flora). ENDANGERED (E): Taxa in danger of extinction and whose survival is unlikely if the casual factors continue operating. VULNERABLE (V): Taxa believed likely to move in to the "Endangered"... | |
| Caroline Harcourt, Jane Thornback - 1990 - 262 páginas
...(criterion as used by the Convention on International Trade in Endangered Species of Wild Fauna and Flora) ENDANGERED (E) Taxa in danger of extinction and whose...survival is unlikely if the causal factors continue to operate. Included are taxa whose numbers have been reduced to a critical level or whose habitats... | |
| Joshua Ross Ginsberg - 1990 - 124 páginas
...Classification Extinct: Species not definitely located in the wild during the past SO years. Endangered: Taxa in danger of Extinction and whose survival is unlikely if the causal factors of its decline continue operating. Vulnerable: Taxa believed likely to become Endangered in the near... | |
| Michael Kennedy, IUCN/SSC Australasian Marsupial and Monotreme Specialist Group - 1992 - 122 páginas
...for the Conservation of Species and Habitats Threatened with Extinction" (1989): Endangered : Species in danger of extinction and whose survival is unlikely...the causal factors continue operating. Included are those species whose numbers have been reduced to a critical level or whose habitats have been so drastically... | |
| T. R. New - 1993 - 188 páginas
...for which there is insufficient information to determine which of these is the appropriate category. Taxa in danger of extinction and whose survival is unlikely if the causal factors continue to operate. These include species whose habitats or numbers have been reduced drastically and may be... | |
| R.I. Miller - 1994 - 250 páginas
...category definitions used to select the threatened species of Madagascar considered in this project Endangered (E): Taxa in danger of extinction and whose...survival is unlikely if the causal factors continue to operate. Vulnerable (V): Taxa likely to move into the endangered category in the near future if... | |
| S. L. Kuzʹmin, Mikhail Mikhaĭlovich Pikulik - 1995 - 164 páginas
...which are no longer known to exist in the wild, even after repeated searches. Endangered (E) - species in danger of extinction and whose survival is unlikely if the causal factors continue operating; includes species whose numbers have been so drastically reduced that they art: deemed to be in immediate... | |
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