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薄壳山核桃林地昆虫物种多样性、功能多样性及其相互关系分析 被引量:1

Insect species diversity, functional diversity, and their mutual relationship in a pecan stand
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摘要 通过扫网法和踏查法,调查了浙江省建德市薄壳山核桃Carya illinoensis林地昆虫多样性情况,共采集昆虫589头,鉴定至11目160种。基于9个生物学性状、4个物种多样性指数和7个功能多样性指数,研究了建德薄壳山核桃林地昆虫物种多样性和功能多样性2个维度的生物多样性,探究了两者的相互关系。结果表明:1同翅目Homoptera,半翅目Hemiptera,鞘翅目Coleoptera,鳞翅目Lepidoptera为优势目,整个昆虫亚群落的物种多样性和功能多样性均为最大。2选取的功能指数能较好地反映各群落的功能多样性情况。3功能性状距离(FAD),功能性状平均距离(MFAD),功能树状图指数(FD)随物种丰富度的增加而增大,属于物种丰富度单调递增指数(MSR);功能性状距离与功能性状平均距离是同一类指数。4功能多样性对害虫防治有指导意义。 To determine relation of functional diversity with species richness, we investigated insect diversity of a pecan stand in Jiande, the sweep sampling and the route survey method were applied. Then, based on nine biological traits including ecological characters, four indexes of species diversity (Richness, Shannon, Simp- son and Evenness) and six indexes of functional diversity (Functional richness, Functional attribute diversity, Modified FAD, Functional dendrogram, Convex hull hyper-volume, Functional specialization) were obtained. Also, two dimensions of insect diversity (species diversity and functional diversity) and the relationship be- tween both dimensions were studied using the MSR index. 589 insect specimens collected in the survey, which were identified 160 species belonging to II orders. Results of the analysis by DPS 14.10, FDiversity and Excel 2003 revealed that: 1 ) advantage of orders were Homoptera, Coleoptera, and Lepidoptera; and the greatest Richness), in this case community will be more stable and the pests in the pecan stand will easily be suppressed in low density. Also, FAD and MFAD were similar. Thus, functional diversity in the pecan stand could be used as guidance for pest control.
作者 顾建强 陈东辉 徐奎源 陈友吾 吴佳伟 周靖 徐志宏 GU Jianqiang, CHEN Donghui, XU Kuiyuan, CHEN Youwu, WU Jiawei, ZHOU Jin, XU Zhihong (1. School of Agricultural and Food Science, Zhejiang A & F University, Lin'an 311300, Zhejiang China; 2. Forest Pest Management and Quarantine Station of Jiande City, Jiande 311600, Zhejiang China; 3. Zhejiang Forestry Academy, Hangzhou 310023, Zhejiang, China)
出处 《浙江农林大学学报》 CAS CSCD 北大核心 2015年第1期116-122,共7页 Journal of Zhejiang Forestry College
基金 浙江省公益技术研究农业项目(2012C32019) 浙江省林业厅林业科技推广项目(2012B10) 杭州市科技发展计划项目(20130432B99)
关键词 昆虫生态学 薄壳山核桃林 物种多样性 功能多样性 insect ecology pecan (Carya illinoensis ) species diversity functional diversity
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