白头叶猴种群的调查研究

1991年7—10月,作者在广西扶绥县(山弄)癝对白头叶猴种群进行调查。结果表明:生活在(山弄)癝栖息地的白头叶猴为166只,分属28个猴群和3只雄性独猴。最大群有16只,最小群2只,平均每群5.3只。种群密度为每平方公里8只。在已划分年龄组的23个猴群中,成年猴88只,占67.6％,青年猴25只,占20.2％,幼猴20只,占12.2％。

INVESTIGATION ON THE POPULATION OF WHITE-HEADED LANGUR (PRESBYTIS LEUCOCEPHALUS)

The population of White-headed langur (Presbytis Leucocephalus) in Longlin village of Fushue County, Guangxi Province was investigated from July to October, 1991. The habitat and distribution of White-headed langur see fig. 1. Data showed that 166 individuals of 28 groups and 3 single males existed in Longlin habitat. Maximum number in one group was 16, minimum number was 2,population density was 8 individuals per square km and average size was 5.3 individuals per group.23 monkey groups (Table 2) were divided from age structure into three parts. Composition of population contained 88 adults, 25 youngs and 20 cubs, percentage were 67.6%, 20.2%, 12.2% respectively.