| 基于Clark-Evans最近邻体分析对果树主要害虫空间分布格局分析 |
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| 引用本文： | 刘军和,禹明甫.基于Clark-Evans最近邻体分析对果树主要害虫空间分布格局分析[J].昆虫天敌,2008(4). |
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| 作者姓名： | 刘军和 禹明甫 |
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| 作者单位： | 黄淮学院农林科学系; |
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| 基金项目： | 国家自然科学基金项目(30760045); 国家科技支撑计划(2007BAO57B02); 驻马店科技攻关计划(0610007) |
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| 摘 要： | 使用坐标调查法对美国杏李果园的5种主要害虫的空间分布格局进行调查,采用最近邻体分析方法分析,结果表明绣线菊蚜Aphis citricola、山楂叶螨Tetranychus viennensis、李小食心虫Grapholita funebrana为聚集分布,草履蚧Drosicha corpulenta、金纹细蛾Lithocolleti ringoniella为随机分布。并采用点分布图、分散度指数和最近邻体分析结果进行比较,使用正态分布对试验结果进行检验,结果表明两者的拟合结果相同,说明Clark-Evans最近邻体分析法可以很好地对果园害虫的空间分布格局进行估计。
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| 关 键 词： | 最近邻体分析 种群 空间分布格局 点分布图 |
Analysis of the spatial distribution pattern of the main pests in fruit trees based on the nearest neighbor analysis (Clark-Evans) |
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| LIU Jun-He,YU Ming-Fu.Analysis of the spatial distribution pattern of the main pests in fruit trees based on the nearest neighbor analysis (Clark-Evans)[J].Natural Enemies of Insects,2008(4). |
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| Authors: | LIU Jun-He YU Ming-Fu |
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| Institution: | LIU Jun-He,YU Ming-Fu(Agriculture , Forestry Science Department of Huanghuai University,Zhumadian 463000,Henan Province,China) |
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| Abstract: | The spatial distribution pattern of the main pests in U.S.apricot and plum garden were investigated by means of coordinate method,and analysized using the nearest neighbor analysis.The results showed that Aphis citricola,Tetranychus viennensis,Grapholita funebrana were clump distribution,Drosicha corpulenta and Lithocolleti ringoniella were random distribution.The nearest neighbor analysis was good to estimate the spatial distribution patterns. |
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| Keywords: | nearest neighbor analysis population spatial distribution pattern mapped points pattern |
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