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A Study on Soil Animal Dominant Group-Cleopteran in NeiMongol Stipa grandis Steppe
Author(s): 
Pages: 189-192
Year: Issue:  2
Journal: ACTA SCIENTIARUM NATURALIUM UNIVERSITATIS NEIMONGOL

Keyword:  内蒙古典型草原鞘翅目季节动态;
Abstract: 1994~1996年,我们对内蒙古锡林郭勒盟白音锡勒牧场境内的大针茅草原(Stipa grandis Steppe)的土壤动物优势类群鞘翅目(Coleoptera)昆虫进行了研究.结果表明:1)大针茅草原中土壤鞘翅目昆虫的组成以金龟总科(Scarabaeoidae)、步甲科(Carabidae)为主.2)土壤鞘翅目昆虫密度具有明显的季节动态,即春季和秋季密度较高,夏季密度较低.3)土壤鞘翅目昆虫中不同类群对季节的变化有明显不同的响应.4)随季节变化土壤鞘翅目昆虫在土壤中的垂直分布及水平分布有显著变化.
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