白头叶猴食谱与觅食时间分配的研究

白头叶猴生活在喀斯特石山环境 ,以树叶为食。对其进行跟踪观察表明白头叶猴有食物 42种 ,其中乔木占 42 .8% ,灌木占 2 6.1 % ,藤本占 2 1 .5% ,草本占 9.6% ,食物组成中树叶占63%— 95% ,果实占 5%— 35% ,花占 0— 6%。白头叶猴有两种觅食方式 ,每天猴群有觅食高峰 2次。白头叶猴觅食的持续时间占日活动时间分配的比例在一年中有季节性变化 ,表现为夏天低冬天高 ,分别为 1 0 .0 3% (6月份 )— 2 3.2 1 % (1 2月份 ) ,这与食物的丰盛状况有关。

THE RESEARCH ON DIETARY AND FEEDING TIME BUDGET OF WHITE-HEADED LEAF MONKEY

White-headed leaf monkey lives at karst hill and feeds on leaves. After more than one years research, it was found that 42 species were included in the food of this monkey, among them arbor, shrub, vine and grass constitute 42. 8% , 26. 1% , 21. 5% and 9. 6% respectively. Among the dietary , leave ranged from 63% — 95% , fruit, 5% — 35% and flower varied from 0— 6% . There were two kinds of feeding pattern of each social group. There were two feeding peaks daily appearing at the time just after leaving the cave in morning and just before returning and entering the cave in evening respectively. The percentage of feeding time in day time varied from 10. 03% in summer and higher of 23. 21% in winter which has relationship with abundance of food which is related to the abundance of food supply.