杉木林林下植被凋落物对土壤动物群落的影响  

Effects of Understory Vegetation Litter Fall on Soil Animal Community in Chinese Fir Forest

作　　者：袁志忠[1] 徐广标[2] 颜绍馗[2] 

机构地区：[1]吉首大学生物资源与环境科学学院,湖南吉首416000 [2]中国科学院沈阳应用生态研究所,辽宁沈阳110016

出　　处：《贵州农业科学》2009年第4期127-129,共3页Guizhou Agricultural Sciences

基　　金：湖南省高校重点实验室项目资助"植物资源保护与利用"

摘　　要：为了解林下植被对土壤环境的相对影响,对人工杉木纯林凋落物和含有林下植被凋落物的杉木林进行取样调查。结果:共获得土壤动物9 316只,隶属21个目。旱生优势种为蜱螨目和弹尾目,湿生优势种为线蚓和线虫。杉木林区林下植被对土壤动物的影响不依赖于凋落物的现存量,而取决于凋落物质量。Forest litters are an important component of the forest production and the primary way of matter cycle and energy flux in the forest ecosystem. In order to understand relative effect of understory vegetation on soil environment, litter fall from artificially pure Chinese fir forest and forest litter including that from understory vegetation are investigated. The results show that there are 21 orders in 9 316 samples of soil animal collected in the investigation. The dominant species of drought living are Acarina and Collembola, that of drought lives in wet conditions are Tubificidae and Nematodes. Influence of the understory vegetation on the soil animal depends on quality of the forest litters but not on their biomass.

关 键 词：杉木林 林下植被 凋落物 土壤动物 

分 类 号：S714[农业科学—林学]