内蒙古白音锡勒典型草原区鼠类群落的空间配置及其结构研究

草原兽类中,种类较多且数量较高者当推鼠类。它作为一类消费者,是草原生态系统的重要组分之一。为阐明这一类动物在该系统能量流通和物质循环中的作用,对其群落结构的研究颇为重要。有关此类研究,迄今国内尚少报道,国外近年虽有部分工作(Brown,1973;Hafner,1977;Grant and Birney,1979),但因鼠种和自然条件各异,其结构特征显然不同。

STUDY ON STRUCTURE AND SPATIAL PATTERN OF RODENT COMMUNITIES INB AIYINXILE TYPICAL STEPPE, INNER MONGOLIA

Based on the investigation of the cross section from Kulongshan to Huanggeer-aobao in Baiyinlixe Pasture, six types of rodent communities were determined, among them Citellus dauricus + Cricetulus barabeiisis community and Microlus maximowiczii + Cricetulus barabensis + Citellus daurious community are two main types. The spatial pattern of the communities depends on the synthetic characteristic of the environment.The analysis of the similarity index between every two communities showed that degree of simila...