Download 2000 IUCN red list of threatened species by Craig Hilton-Taylor PDF

By Craig Hilton-Taylor

Release of the 2000 purple checklist is a huge landmark for IUCN. it's the first time that listings of animals and vegetation were mixed and the 1st time that the purple record has been produced on CD-ROM. The 2000 crimson checklist combines new assessments‹including all chook species, many antelope and bat species, so much primates and sharks, all Asian freshwater turtles, extra molluscs, and plenty of others‹with these from past courses. the combo of animals and vegetation right into a unmarried checklist containing exams of greater than 18,000 taxa (11,000 of that are threatened species) and the circulation in the direction of more suitable documentation of every species at the checklist implies that a hard-copy model of the pink record might run to a number of volumes. This, mixed with the truth that the purple checklist could be up-to-date each year, ended in the choice to unencumber the crimson checklist in digital layout, through the realm large net and as a CD-ROM.

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Extra resources for 2000 IUCN red list of threatened species

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The fourth cause of habitat loss is given as ‘unspecified causes’, and 495 (69% of all) mammals were classified under this. But using the information from the levels lower down in the hierarchical system, two key threats to mammals are fragmentation (6% of all species) and deforestation (9% of all species) both of which are due to unspecified causes. Clearly, when the threats to mammals are better documented, it is likely that the causes of habitat loss will be more comprehensively attributed to agricultural activities, extraction and development, thus possibly leading to results that are more similar to those for birds and plants.

The countries with the highest numbers of threatened plant species. Malaysia Indonesia Brazil Sri Lanka Peru India Tanzania New Caledonia Colombia Jamaica Ecuador Panama Philippines United States China Madagascar Mexico Cuba Cameroon Papua New Guinea 0 VU EN CR 200 400 Number of threatened plants 600 Figure 5b. The twenty countries with the largest numbers of threatened plant species ranked from the highest to the lowest. Africa, which do not feature in relation to the tropics. This is primarily due to biases in the data set.

The results for plants are also included based on the assumption that the large numbers of trees assessed globally may indicate some patterns that are different to those for the mammals or birds. For the birds and mammals, the total numbers of species in each country were derived from the recent book on global biodiversity produced by the World Conservation Monitoring Centre (WCMC 2000). In using these figures, it was assumed that any taxonomic differences with the Red List would be negligible.

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