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作 者:邹运鼎[1] 李昌根[1,2] 毕守东[1] 巫厚长[1] 陈向阳[1] 李芬[1] 周夏芝[1] 林雪飞[1]
机构地区:[1]安徽农业大学林学与园林学院 [2]国家林业局三北防护林建设局,银川750001
出 处:《应用生态学报》2006年第6期1075-1080,共6页Chinese Journal of Applied Ecology
基 金:安徽省省长专项基金资助项目(y47).
摘 要:利用主成分分析法,对葡萄园节肢动物群落、植食类亚群落、捕食类亚群落的特征参数进行分析.结果表明,葡萄园节肢动物群落、植食类亚群落、捕食类亚群落特征向量矩阵中第1主分量综合指标贡献率依次为66·70%、73·39%和54·17%.节肢动物群落的总个体数N、Hill多样性指数N1、Hill多样性指数N2和McIntosh指数Dmc的标准回归系数绝对值较大,对群落贡献大;植食类亚群落的N、N2、N1和物种数S的标准回归系数绝对值较大,对植食类亚群落贡献大;捕食类亚群落的N2、N1、Shannon-Wiener多样性指数H′和丰富度R的标准回归系数绝对值较大,对捕食类亚群落贡献大.综合分析,多样性指数N1和N2对3种类型群落贡献较大.By the method of principal component analysis, this paper analyzed the characteristic parameters of arthropod community and its phytophagous and predacious sub-communities in grapery. The results showed that in the first principal component, the contribution of arthropod community, phytophagous sub-community and predacious subcommunity was 66. 70%, 73.39% and 54. 17%, respectively. For arthropod community, the absolute values of normalized regressive coefficients of individuals' number N, HiU diversity index N1 , HiU diversity index N2 and Melntosh index Dmc were larger, indicating their greater contribution on the community. For phytophagous subcommunity, N, N1 , N2, N and S (total species) had greater contribution; while for predacious sub-community, the greater contribution was made by N1, N2, Shannon-Wiener diversity index H^1 and abundance R. Synthetically, N2 and N1 had greater contribution on the arthropod community and its phytophagous and predacious sub-communities in grapery, comparing with other characteristic parameters.
关 键 词:结构特征 葡萄园 节肢动物群落 植食类亚群落 捕食类亚群落
分 类 号:S436.631[农业科学—农业昆虫与害虫防治] S185[农业科学—植物保护]
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