摘要
应用主成分分析和聚类分析方法,在哈尔滨西郊对赤狐巢穴的特征进行了初步分析。结果表明,巢穴结构大小、筑穴地点的拟似小气候条件,以及巢穴周围隐蔽条件是形成该地区赤狐巢穴特征的主要因子。45个赤狐巢穴可基本分成三个类型,即:农田型、堤坝型和草甸型。
The characteristics of red fox (Vulpes vulpes) dens were studied with methods of the principal component analysis and the cluster analysis in the suburbs of Harbin City. The results show that the structure and the size of dens, the microclimate condition near the dens and the covered condition around the dens are principal factors forming the charac ters of red fox dens. There are three types of the fox dens in the study area including'Cropland', 'Dike' and 'Marshland' types.
出处
《东北林业大学学报》
CAS
CSCD
北大核心
1992年第1期24-29,共6页
Journal of Northeast Forestry University
关键词
赤狐
巢穴
主成分分析
聚类分析
Red fox dens
Principal component analysis
Cluster analysis
