A comparative study on soil fauna in native secondary evergreen broad-leaved forest and Chinese fir plantation forests in subtropics

Abstract

Abstract: In this study,we investigated the response of soil animal communities to the replacement of native secondary forest by Chinese fir plantation forest and successive rotation of Chinese fir in subtropics.Three adjacent forest stands,i.e.,native secondary evergreen broad-leaved forest stand (control) and Chinese fir plantation stands of first (20 yr) and second (20 yr) rotations were selected for the comparison of soil fauna.All animals were extracted from the floor litter and 0～15 cm soil layer of the stands in Summer,2003 by using Tullgren method,wet funnel method and hand-sorting method.Compared to two Chinese fir plantation forests,the native secondary evergreen broad-leaved forest had a higher abundance and a higher taxonomic diversity of animals in soil and litter,but there were no significant differences in the biomass and productivity of soil fauna between all study stands.The abundance or diversity did not differ significantly between the first rotation and second rotation stands,too.The results supported that vegetation cover might be one of the main forces driving the development of soil animal communities,and the effect of successive rotation of Chinese fir on the development of soil fauna was a slow-running process.

Key words: Chinese fir, Native secondary evergreen broad-leaved forest, Soil fauna

CLC Number:

Q958.1

YAN Shaokui, WANG Silong, HU Yalin, GAO Hong, ZHANG Xiuyong. A comparative study on soil fauna in native secondary evergreen broad-leaved forest and Chinese fir plantation forests in subtropics[J]. Chinese Journal of Applied Ecology, 2004, (10): 1792-1796.

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