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卡拉麦里山保护区鹅喉羚卧息地特征的季节变化
Authors
乔建芳
夏参军
+3 more
徐文轩
李莹
杨维康
Publication date
20 October 2010
Publisher
Abstract
于2007年对卡拉麦里山有蹄类保护区不同季节的鹅喉羚卧息地特征进行了研究。Mann-WhitneyU检验表明:春季鹅喉羚卧息地植物高度明显高于对照地(Z=2.27,P<0.05),驼绒藜密度、灌木盖度和地上生物量极显著高于对照地(Z=2.85,Z=3.29,Z=2.98,P<0.01);夏季鹅喉羚卧息地植物高度和单位面积地上生物量明显高于对照地(Z=2.06,Z=2.97,P<0.05);秋季鹅喉羚卧息地植物种数明显高于对照地(Z=2.52,P<0.05),灌木盖度和植物高度极显著高于对照地(Z=5.22,Z=4.58,P<0.01)。主成分分析表明,春夏秋3季影响鹅喉羚卧息地选择的主要环境因子是食物、隐蔽条件和环境温度。单因素方差分析表明,鹅喉羚卧息地特征在季节间有显著差异,以春季和夏季、春季和秋季最为明显。食物资源和环境温度的变化是导致鹅喉羚卧息地特征季节性变化的主要因素。鹅喉羚卧息地选择与其自身的体温调节有一定关系
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Institutional Repository of Xinjiang Institute of Ecology and Geography, CAS
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Last time updated on 29/11/2016