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Diet and activity budget of Rhinopithecus roxellana in the Qinling Mountains, China

机译：秦岭高山鼻鼻吸虫的饮食和活动预算

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摘要

We collected data on diet and daytime activity budget, and investigated the phenology of food trees and food abundance for a group of Rhinopithecus roxellana on the East Ridge of Yuhuangmiao in the Qinling Mountains from November 2001 to December 2003. We calculated the seasonal activity budget using data collected by scan sampling from 84 full-day observations (winter 16, spring 18, summer 28, autumn 22 days). During scan sampling we recorded behavioral states, and the food items and species consumed. The subjects consumed 84 plant species, including trees and shrubs of 29 families, and lichens. Food species varied seasonally. The overall diet of R. roxellana consisted of 29.4% fruit/seeds, 29.0% lichens, 24.0% leaves, 11.1% bark, 4.2% buds, 1.3% twigs and 1.0% unidentified items. Because the abundance of different food items varied seasonally, the monkeys had to shift their major food items seasonally. The annual activity budget of R. roxellana was 36.2% time spent resting, 35.8% feeding, 22.9% moving, and 5.1% other behavior. Seasonal changes in activity budget were observed. R. roxellana spent more time moving in autumn, when the quality of the food might be highest, and least time moving in winter when the food quality might be lowest. Thus, this type of monkey has a passive foraging strategy.
机译：我们收集了饮食和白天活动预算的数据，并调查了2001年11月至2003年12月秦岭玉皇庙东山脊上一群犀牛的食木树和食物丰度的物候学。通过扫描采样从84个全天观测值（冬季16，春季18，夏季28，秋季22天）中收集的数据。在扫描采样期间，我们记录了行为状态以及食用的食物和种类。受试者食用了84种植物，包括29个科的树木和灌木以及地衣。食物种类随季节变化。罗氏沼虾的整体饮食包括29.4％的水果/种子，29.0％的地衣，24.0％的叶子，11.1％的树皮，4.2％的芽，1.3％的树枝和1.0％的不明物品。由于不同食物的丰富程度随季节而变化，因此猴子不得不季节性改变其主要食物。罗氏梭菌的年度活动预算为：休息时间为36.2％，进食时间为35.8％，移动时间为22.9％，其他行为为5.1％。观察到活动预算的季节性变化。 R. roxellana在秋季（食物质量最高）花费更多的时间，而在冬季（食物质量可能最低）的花费最少的时间。因此，这种类型的猴子具有被动觅食策略。

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  • 来源
    《Primates》 |2007年第4期|268-276|共9页
  • 作者

    Songtao Guo; Baoguo Li; Kunio Watanabe;

  • 作者单位

    College of Life Sciences and Key Laboratory of Resource Biology and Biotechnology in Western China of Ministry of Education Northwest University Xi’an 710069 China;

    College of Life Sciences and Key Laboratory of Resource Biology and Biotechnology in Western China of Ministry of Education Northwest University Xi’an 710069 China;

    Primate Research Institute Kyoto University Inuyama 484-8506 Japan;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Rhinopithecus n roxellana; Diet; Activity budget; Qinling Mountains;

    机译：犀牛;饮食;活动预算;秦岭;

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