Publication | 2004
Grey literature | 2004
Are African elephants an endangered species ?
In the late 1980s there were two campaigns to save African elephants. One banned international trade in ivory. The other established common property rights to elephants for local communities. Has either campaign saved the elephants? To answer this question, we constructed and solved two models,…
Publication | 2003
Pangani basin : a situation analysis
Publication | 2004
The return of the water : restoring the Waza Logone floodplain in Cameroon
Publication | 2003
West African chimpanzees : status survey and conservation action plan
Wild chimpanzees are only found in tropical Africa, where their populations have declined by more than 66% in the last 30 years. This action plan focuses on one of the four chimpanzee subspecies, the western chimpanzee, which is one of the two subspecies most threatened with extinction. The aim…
Publication | 2003
Flow : the essentials of environmental flows
An environmental flow is the water regime provided within a river, wetland or coastal zone to maintain ecosystems and their benefits where there are competing water uses and where flows are regulated. Pioneering efforts in South Africa, Australia and the United States have shown that the process…
Publication | 2003
Cycads : status survey and conservation action plan
Cycads were a dominant part of the earths flora during the age of the dinosaurs and many species were common even in more recent times. However, many of the 297 species and sub-species dealt with in this Action Plan are threatened by habitat destruction and plant collecting, and more than half…