广西弄岗黑叶猴食物的水分含量对食物选择的影响

广西师范大学学报（自然科学版） ›› 2011, Vol. 29 ›› Issue (4): 117-121.

广西弄岗黑叶猴食物的水分含量对食物选择的影响

吴茜, 黄中豪, 袁培松, 邓凤云, 周岐海

广西师范大学生命科学学院,广西桂林541004

收稿日期:2011-08-06 发布日期:2018-11-16
通讯作者: 周岐海(1976—),男,广西贵港人,广西师范大学教授,博士。E-mail:zhouqh@ioz.ac.cn
基金资助:
国家自然科学基金资助项目(30560023,30860050);广西自然科学基金资助项目(桂科自0991095);国家林业局叶猴监测与保护项目;广西壮族自治区研究生教育创新项目(2010106020710M52)

Water Content of the Food and its Influence on Food Choice of Francois' Langur at Nonggang,Guangxi,China

WU Qian, HUANG Zhong-hao, YUAN Pei-song, DENG Feng-yun, ZHOU Qi-hai

College of Life Science,Guangxi Normal University,Guilin Guangxi 541004,China

Received:2011-08-06 Published:2018-11-16

摘要/Abstract

摘要： 2005年10月—2006年7月,对弄岗国家级自然保护区的一群黑叶猴Trachypithecus francoisi进行观察,采用瞬时扫描取样法收集有关觅食行为的数据,通过与采食植物水分含量的比较,探讨影响黑叶猴食物选择的因素。结果表明:黑叶猴采食植物不同部位的平均水分含量存在明显差异:嫩叶的水分含量最高,为71.52%;其次是成熟叶,为66.25%;果实的水分含量最低,为63.42%。虽然每个月采食植物的平均水分含量存在显著差异(61.59%~72.59%),但从整体来看,旱季和雨季所采食植物的平均水分含量未表现出显著差异。各月份黑叶猴对不同植物树叶的采食时间与该种类植物树叶的水分含量之间的相关性检验数据显示,11月和12月份黑叶猴对某一物种树叶的觅食时间与含水量之间存在显著的正相关。这一结果表明,食物的水分含量可能是影响生活在喀斯特石山环境的黑叶猴食物选择的因素之一,尤其在水分缺乏的旱季。

关键词: 黑叶猴, 食物水分, 食物选择, 喀斯特生境

Abstract: Data on the diet were collected from one group of Francois' langurs(Trachypithecus francoisi)between October 2005 and July 2006at Nonggang Nature Resereve,Guangxi province,using instantaneous scan sampling.To explore the influence of water content in food on langur's food choice,watercontents of the food species were measured,and the relationship between water contents of the food species and their consumption were analyzed.The results indicated that there was significant variation in the water contents of different plant parts eaten by langurs.Immature leaves had the largest value of water content,which accounted for 71.52%,followed by mature leaves for 66.25%,and fruits had the lowest value 63.42%.The monthly mean water content in plant food showed significant variation,ranging from 61.59% to 72.59%.However,there was no significant difference in the mean water content in plant food according to season.The relationships between the monthly feeding time for leaves of different plant species andtheir corresponding water content were tested,and significant correlations in November and December were found.This indicated that water content of the food maybe one of the factors influencing the food choice of the Francois' langur in Karst habitat,especially in the dry season.

Key words: Francois' langur, water content in food, food choice, karst habitat

中图分类号:

Q959.848

吴茜, 黄中豪, 袁培松, 邓凤云, 周岐海. 广西弄岗黑叶猴食物的水分含量对食物选择的影响[J]. 广西师范大学学报（自然科学版）, 2011, 29(4): 117-121.

WU Qian, HUANG Zhong-hao, YUAN Pei-song, DENG Feng-yun, ZHOU Qi-hai. Water Content of the Food and its Influence on Food Choice of Francois' Langur at Nonggang,Guangxi,China[J]. Journal of Guangxi Normal University(Natural Science Edition), 2011, 29(4): 117-121.

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