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Diversity and Seasonal Dynamics of Soil Animal in Wheat Field of Black Soil
Author(s): Zhan Lili, Xu Yanli, Liu Zhenyu, Pei Xichao
Pages: 109-
111,121
Year: 2013
Issue:
1
Journal: Journal of Northeast Forestry University
Keyword: Wheat; Soil animal; Community; Diversity; Vertical distribution;
Abstract: 为明确麦田土壤动物群落结构特征,以东北黑土长期定位试验区中小麦连作田为研究对象,采用改良干漏斗法分离O ~15 cm土层中的土壤动物,将捕获到的所有土壤动物鉴定到科.共采集农田土壤动物1 415只,隶属43科.其中高壳甲螨科(Liodidae)和小甲螨科(Oribatellidae)为麦田土壤动物中的优势类群.麦田土壤动物数量、科数在小麦生长中期出现高峰,多样性不断升高,均匀度和优势度呈负相关.在生长中期和收获后期麦田土壤动物垂直分布出现表聚特征.麦田土壤动物多样性受人为扰动影响较大,且土壤动物的种群结构存在明显地季节动态.
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