东北高寒地区麦田土壤动物数量的季节变化与环境因素关系的研究

Relationship Between seasonal Quantitative Variation of Soil Animals in Wheat Field and Envi-ronmental Factors in Northeast Heavy Frigid Region of China

东北高寒地区麦田土壤动物数量的季节变化与环境因素关系的研究苏永春，张崇邦，勾影波（黑龙江省克山师范专科学校，１６１６０１）ＲｅｌａｔｉｏｎｓｈｉｐＢｅｔｗｅｅｎｓｅａｓｏｎａｌＱｕａｎｔｉｔａｔｉｖｅＶａｒｉａｔｉｏｎｏｆＳｏｉｌＡｎｉｍａｌｓｉｎＷ...

This study was made from April to September,1993.4492 specimen of soil animals were collect-ed,which belong to 3 families,5 genera and 13 species. Among them,Acarina,Collembola andNemetoda are dominant.The relationship between seasonal quantitative variation of soil animalsand 9 environmental factors are studied,and primary and secondary factors influencing this varia-tion are sought out through grey connected analysis.