Save rare parasites as well as primates

Young, Emma
September 2004
New Scientist;9/18/2004, Vol. 183 Issue 2465, p12
This article reports that many more species are at risk of extinction than the people thought. That is because some species depend on another for their survival, so if one disappears, many more that have gone largely unnoticed by conservationists will follow. There are 12,200 species at risk according to the World Conservation Union Red List, the definitive audit of rare, threatened and endangered species. But the true number is likely to be much higher, says a team led by Lian Pin Koh at the National University of Singapore and Robert Dunn at Curtin University of Technology in Perth, Western Australia. In addition to 399 extinct host species of plants, fish, birds or mammals on the Red List, they estimate another 200 affiliate species have already been lost. And of the 9536 endangered host species on the Red List for which there is sufficient data to run the model, another 6300 affiliate species are likely to go with their hosts.


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