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扈宇, 许宏伟等. 1989: 白颊长臂猿的生态研究. 动物学研究, 10(zk): 61-67.
引用本文: 扈宇, 许宏伟等. 1989: 白颊长臂猿的生态研究. 动物学研究, 10(zk): 61-67.
HU Yu XU Hong-wei, YANG De-hua. 1989: The Studies on Ecology in Hylobates leucogenys. Zoological Research, 10(zk): 61-67.
Citation: HU Yu XU Hong-wei, YANG De-hua. 1989: The Studies on Ecology in Hylobates leucogenys. Zoological Research, 10(zk): 61-67.

白颊长臂猿的生态研究

The Studies on Ecology in Hylobates leucogenys

  • 摘要: 对白颊长臂猿(Hylobates leucogenys)一些生态学特性的实地观察结果表明,白颊长臂猿在我省的总数少于40只。其种群数量最多者为5只,最少为2只,严格营“一夫一妻”制。主要觅食植物,占食物种类的90.60%,兼食少量动物,占食物种类的9.4%。每天的觅食高峰出现在早上8:00-10:00。每天平均活动时间为9.5小时,其中觅食、运动和休息所耗时间的比率分别为41.2%、13.1%和45.7%。每天的活动路线长度约为1305米(1024-1586)。

     

    Abstract: The ecological characteristics of Hylobates leucogenys distributed only in the Nature Sancturay of Meng La,Yunnan Province (21°08′-22°00′N;101°15′101°50′E).Were investigated from 1983 to 1988.The total number of gibbons were less 40.The most individual number of group was 5 while least one was 2.The habitate of the gibbon situate at the altitude 700-1,000 M.This gibbon feeds chiefly on plants that occurred 90.6% of the total food specimens,and eat also small animals that occurred 9.4% of the whole food specimens.The time of feeding peak was at 8:00-10:00 a.m.The fruites were the most preference food of the gibbon following by leaves,buds,flowers and animals.The gibbons spend 38.62%,35.52%,17.29%,4.67% and 3.89% of daily feeding time on those food categories respectively.Daily activity time was about 9.5 hours.Feeding,travel and rest time occur 41.2%,13.1% and 45.7% of daily activity time respectively.Daily range was 1305 M.(1024-1586).

     

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