By Craig Hilton-Taylor
Release of the 2000 purple record is an enormous landmark for IUCN. it's the first time that listings of animals and crops were mixed and the 1st time that the crimson record has been produced on CD-ROM. The 2000 crimson checklist combines new assessments‹including all fowl species, many antelope and bat species, so much primates and sharks, all Asian freshwater turtles, extra molluscs, and lots of others‹with these from earlier courses. the combo of animals and vegetation right into a unmarried record containing exams of greater than 18,000 taxa (11,000 of that are threatened species) and the stream in the direction of stronger documentation of every species at the record signifies that a hard-copy model of the crimson record could run to numerous volumes. This, mixed with the truth that the pink checklist should be up-to-date every year, ended in the choice to liberate the pink checklist in digital structure, through the area large internet and as a CD-ROM.
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Unencumber of the 2000 crimson checklist is an important landmark for IUCN. it's the first time that listings of animals and crops were mixed and the 1st time that the crimson record has been produced on CD-ROM. The 2000 pink checklist combines new assessments‹including all chook species, many antelope and bat species, such a lot primates and sharks, all Asian freshwater turtles, extra molluscs, and lots of others‹with these from prior courses.
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Extra info for 2000 IUCN red list of threatened species
29 Red List 2000 06 September 2000 16:14:55 Color profile: Generic CMYK printer profile Composite Default screen 2000 IUCN Red List of Threatened Species Intrinsic factors Factors such as poor dispersal, poor recruitment, high juvenile mortality and inbreeding have been grouped together as intrinsic factors and they appear to have a relatively important impact on 231 threatened mammal species (32% of all) and 208 threatened plant species (9% of all), whereas only 18 threatened birds were scored under this threat category.
There are also some highly specialized habitats like bamboo and eucalyptus forests, which are important for a small number of threatened mammals, but which are not important for threatened birds. This analysis shows that there are some key habitats common to both threatened birds and threatened mammals, and these constitute clear conservation priorities. Conservation of extensive areas of tropical rainforests is essential if we are to prevent the total loss of a large number of bird and mammal species, most of which are totally dependent on this habitat for survival.
A number of papers have been published in recent years exploring the 1996 Red List information further to see which orders and families are most susceptible to extinction. For example, a recent paper by Mace and Balmford (2000) examining the mammalian data shows that only the rodents have less threatened species than expected under a binomial distribution, despite them having the largest number of species on the Red List (currently 330); while five orders have significantly more threatened species than would be expected – the Artiodactyla (hoofed animals), Insectivora (shrews), Primates, Perissodactyla (equids, rhinos and tapir) and Sirenia (dugongs and manatees).
2000 IUCN red list of threatened species by Craig Hilton-Taylor