石榴园节肢动物群落的聚类分析及最优分割研究

摘要/Abstract

摘要： 根据群落生态学原理,为了利用天敌资源开展石榴园害虫的生物防治,明确主要害虫及其天敌发生的时间动态和数量动态,对不同时期的石榴园节肢动物总群落、亚群落进行了模糊聚类.结果表明,总群落的8次调查结果可聚为4类,D=0.05;天敌亚群落调查结果可聚为4类,D=0.10;非天敌亚群落调查结果可聚为3类,D=0.09.聚类部分反映了总群落和亚群落各自的状况,聚类交替现象则反映了群落结构在较长时间内的复杂性.最优分割结果将不同时期的总群落、各亚群落均分割为3段(4～8月、9～10月、11～11月),表明各阶段物种种类、物种数及优势种等指标在发生时间上存在差异.

关键词: 石榴园, 节肢动物群落, 动态

Abstract: Based on the principles of community ecology and by the method of fuzzy clustering,this paper studied the temporal and quantitative dynamics of the arthropod community and sub-community in megranate orchard,aimed to utilize natural enemy resources for pests control.The results showed that both of total community and natural enemy sub-community could be grouped into 4 clusters,and non-natural enemy sub-community could be grouped into 3 clusters.This clustering reflected the complexity of the community structure.The optimal cut-apart could divide the total community and sub-community into 3 stages,i.e.,April-August,September-October,and November.

Key words: Megranate orchard, Arthropod community, Dynamics

中图分类号:

Q968.1

邹运鼎, 李磊, 章炳旺, 毕守东, 娄志, 丁程成, 高彩球, 李昌根. 石榴园节肢动物群落的聚类分析及最优分割研究[J]. 应用生态学报, 2004, (8): 1435-1439.

ZOU Yunding, LI Lei, ZHANG Bingwang, BI Shoudong, LOU Zhi, DING Chengcheng, GAO Caiqiu, LI Changgen . Clustering analysis and optimal cut-apart of arthropod community in megranate orchard[J]. Chinese Journal of Applied Ecology, 2004, (8): 1435-1439.

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