University of Pennsylvania, University Museum, Philadelphia, and Institute of Primate Research, National Museums of Kenya, Nairobi, Kenya.
Am J Primatol. 1985;8(4):269-277. doi: 10.1002/ajp.1350080402.
The population of De Brazza's monkeys (Cercopithecus neglectus) in Kenya, East Africa, was surveyed from May to September of 1983 to estimate its numbers, distribution, and conservation status. A small number of De Brazza's monkeys are protected within Saiwa National Park; however, the vast majority of the population is endangered because they are restricted to small, isolated pockets of forests amid expanding farmland within the Trans-Nzoia area of western Kenya. A few animals are found on the slopes of Mt. Elgon and on the Cherangani Hills, although these areas offer little protection. The pressures now facing this population are loss of habitat, reproductive isolation, and a decline in numbers as the result of being killed, either as a food source or as agricultural pests. If the current situation continues and no attempt is made to conserve the remaining De Brazza's monkeys, the species faces almost certain extinction in Kenya.
1983 年 5 月至 9 月，对东非肯尼亚的德氏长尾猴（Cercopithecus neglectus）的数量、分布和保护状况进行了调查，以评估其数量。一小部分德氏长尾猴受到 Saiwa 国家公园的保护；然而，由于它们仅限于肯尼亚西部特诺亚地区不断扩大的农田中的小块孤立森林中，绝大多数种群都处于濒危状态。在埃尔贡山和切兰加尼山的山坡上也发现了一些动物，尽管这些地区几乎没有提供保护。目前，该种群面临的压力包括栖息地丧失、繁殖隔离以及因作为食物来源或农业害虫而被杀导致数量减少。如果目前的情况继续下去，并且不试图保护剩余的德氏长尾猴，那么该物种在肯尼亚几乎肯定会灭绝。
