豫东黄河故道湿地土壤动物群落结构及多样性分析

对豫东黄河故道湿地土壤动物进行调查与鉴定,研究其动物群落组成及多样性变化,为揭示黄河故道湿地生物多样性及其功能提供基础资料。结果表明,采集到的湿地土壤动物隶属5门8纲23目35类群,优势类群2类(线虫和膜翅目昆虫),常见类群11类,稀有类群22类。多样性分析表明,土壤动物群落个体数、类群数和丰富度指数最大值均出现在7月份,多样性指数和均匀度指数11月份最大。土壤动物功能类群在数量比例关系表现为腐食性土壤动物最多,其次为捕食性土壤动物,植食性土壤动物最低。

Characteristics and diversity of soil fauna community in wetland of the old Yellow River course in the east of Henan

Characteristics and diversitu of soil fauna comminity were investigation in wetland of the old Yellow River in the east of Henan.Field investigations may provide foundamental data for studying biodiversity and functions in the wetland.The results showed that soil fauna in the wetland could be sorted into 5 phyla,8 classes,23 orders and 35 groups,which including two dominant groups(Nemata and Hymenoptera),11 common groups and 22 rare gourps.The maximum of the individual numbers,the group numbers and the rich...