Restoration of Amsterdam Island, South Indian Ocean, following control of feral cattle.

摘要: Among the French islands of South Indian Ocean, Amsterdam Island is richest in endemic species but its indigenous terrestrial ecosystem has been drastically modified. Sealers and transoceanic voyagers caused irreversible damage to native fauna flora, either directly by fires culling, or indirectly introduced mammals. An flightless duck several petrels have recently become extinct. Nevertheless, some flora survived discovery a relic population albatross Diomedea amsterdamensis 1983 resulted establishment restoration programme. Five cattle were 1871 numbered about 2000 1988. At this time herd was both main threat endangered one very few feral herds Bos taurus anywhere world. A compromise decided upon between urgent need protect island scientific interest herd. The divided fence. Cattle removed from larger part, allowing rehabilitated. In other part management plan progress control size population. investigation compromises biological practicability programme necessary first step successful conservation.