甘肃马鬃山北山羊春季卧息地的选择  

Spring Bed-site Selection by Capra ibex in Mazong Mountain,Gansu Province

作　　者：边坤[1] 刘楚光[1] 王开峰[1] 齐晓光[2] 王艳[1] 李保国[1] 

机构地区：[1]陕西省动物研究所,西安710032 [2]西北大学生命科学学院,西安710069

出　　处：《四川动物》2011年第4期633-637,共5页Sichuan Journal of Zoology

摘　　要：2010年4~5月,在甘肃马鬃山采用样线法对北山羊Capra ibex春季卧息地的选择性进行了研究,共测定了63个卧息地样方,63个对照样方。经过分析表明,北山羊卧息地选择偏好利用阳坡、上坡位、膜果麻黄与裸岩（P〈0.05）,同时具有海拔高、坡度大、远离道路、远离居民点、距水源较近、接近隐蔽物、隐蔽级高等特征（P〈0.05）。主成分分析表明,海拔、坡向、地表状况、植被密度、距道路距离、距居民点距离等生态因子具有较大作用。Spring bedding sites used by ibex（Capra ibex） were studied by using line-transect methods on Mazong Mountain from April to May of 2010.63 bed-site quadrants used by ibex and 63 control quadrants were measured.The results showed as follows： bed-site selection by ibex favored for the places with slopes exposed to the sun for upper slopes,preferred Ephedra przewalskii,utilized the ground with bare rock（P0.05）.Bed-site was characterized by higher altitude,steep slope angle,far from road and human settlement,near water source and hiding spots,and high hiding cover（P0.05）.Results of principal component analysis showed that the altitude,slope direction,ground condition,plant density,distances to roads and human settlements had higher loadings.

关 键 词：北山羊 卧息地选择 春季 马鬃山 

分 类 号：Q958[生物学—动物学]