Ping LU, Nianhua DAI, Guohua ZHANG, Meiwen ZHANG, Derong XU, Zhuorong LIU, Zhiqiang HUANG

Structural characteristics of the soil fauna community in beach wetlands of the Poyang Lake region

We examined the soil fauna community composition and structure of Poyang Lake beach wetlands using the modified Tullgren and Baermann methods during September and December 2015. A total of 3755 individuals were obtained from 2 samplings, which were found to belong to 7 classes, 8 orders, 3 suborders, and 17 families. Among these, the Oribatida, Prostigmata, Nematoda, and Onychiuridae were dominant. The functional groups of soil animals included omnivores, saprozoics, predators, and phytophages. Analysis results of the soil fauna composition and diversity showed that the soil animals were mainly concentrated at the 0-10 cm depth, presenting as a significant surface convergence phenomenon. The numbers of individual soil animals differed significantly between sampling sites (P 0.05). Habitat type and sampling time both had highly significant effects on diversity and evenness (P

Keywords:

Community structure, distribution pattern, functional group, Poyang Lake region,

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