米亚罗林区不同森林恢复方式下中小型土壤动物多样性  

Soil meso-micro faunal diversity in different restoration types of forest ecosy stems in Miyaluo,West Sichuan

作　　者：崔丽巍[1] 刘世荣[2] 刘兴良[3] 吴鹏飞[1] 张洪芝[1] 何先进[1] 王长庭[1] 

机构地区：[1]西南民族大学生命科学与技术学院,成都610041 [2]中国林业科学研究院森林生态环境与保护研究所,北京100091 [3]四川省林业科学研究院,成都610081

出　　处：《生态学杂志》2011年第6期1153-1162,共10页Chinese Journal of Ecology

基　　金：国家自然科学基金青年基金项目(40801092);四川省科技支撑项目(2010SZ0126);林业科技支撑计划子专题(2006BAD03A100301);教育部科学技术研究重点项目(209154);四川省应用基础研究项目(07JY029-130)资助

摘　　要：为了查明川西不同森林恢复方式下中小型土壤动物多样性,2008年11月对米亚罗林区的次生红桦林、人工云杉林和次生冷杉林的中小型土壤动物进行了调查。共获得中小型土壤动物15234个,隶属于3门9纲10目97科144个类群。线虫纲个体数占总体的71.85%,弹尾目占13.16%,蜱螨目占9.49%,其他类群占0.36%。3种森林中小型土壤动物群落的类群数和个体密度大小顺序均为次生红桦林>次生冷杉林>人工云杉林;Shannon多样性指数为次生红桦林>次生冷杉林=人工云杉林;Margalef丰富度指数和密度-类群指数为次生红桦林>次生冷杉林>人工云杉林;Pielou均匀性指数为人工云杉林>次生红桦林>次生冷杉林;Simpson优势度指数为次生冷杉林>次生红桦林=人工云杉林。不同群落间的个体密度无显著差异(P>0.05),但相似性系数表明人工云杉林的中小型土壤动物群落结构组成与天然次生林有较大差异。红桦林土壤动物的垂直分布的表聚性程度低于云杉林和冷杉林。研究表明,次生红桦林比人工云杉林和次生冷杉林能更有效地提高土壤动物多样性,促进地下生态功能恢复。To understand the soil meso-micro faunal diversity in different resto ration types of forest ecosystems in West Sichuan,an investigation was conducte d on the soil meso-micro fauna in the secondary Betula alba-sinensis forest （B SF）,secondary Abies fabric forest （AFF）,and Picea asperata plantation （PAP） in Miyaluo forest area in November 2008.A total of 15234 individuals of soil meso -micro fauna were collected,belonging to 3 phyla,9 classes,10 orders,97 fam ilies,and 144 groups.The individuals of Nematoda accounted for 71.85% of the total,and those of Collembola,Acarina,and other groups took up 13.16%,9.49 %,and 0.36%,respectively.The group number and the individuals density of the soil fauna in the three forests followed the sequence of BSF AFF PAP.The S hannon index was in the order of BSF AFF = PAP,Margalef index and density-gr oup index were BSF AFF PAP,Pielou index was PAP BSF AFF,and Simpson in dex was AFF BSF = PAP.No significant differences were observed in the individ uals density among the three forests （P0.05）,but the Srenson index indic ated that the taxonomic composition and community structure of soil meso-micro fauna in PAP differed to those in BSF and AFF.The vertical distribution of soil faunal taxa and individuals was more even in BSF than in PAP and AFF.All the r esults suggested that comparing with P.asperata plantation and secondary A.fabric forest,secondary B.alba-sinensis forest could more effectiv ely improve soil faunal diversity,and promote the restoration of belowground ec ological function more quickly.

关 键 词：次生红桦林 人工云杉林 次生冷杉林 土壤动物 米亚罗林区 

分 类 号：S714.3[农业科学—林学]