| 黑角直缘跳甲幼虫空间分布型及抽样技术的研究 |
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| 引用本文： | 吴猛耐,徐学勤.黑角直缘跳甲幼虫空间分布型及抽样技术的研究[J].昆虫知识,1998,35(1):23-25. |
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| 作者姓名： | 吴猛耐 徐学勤 |
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| 作者单位： | [1]四川省森防试验站 [2]四川省森林总站 |
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| 基金项目： | 四川省林业科技项目!“角倍林主要病虫害种类、防治及丰产技术研究” |
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| 摘 要： | 通过运用二种回归方法和六种聚集度指标对黑角直缘跳甲幼虫的空间格局和抽样技术进行了研究。所有的指标表明黑角直缘跳甲幼虫在林间呈聚集分布，分布的基本成分是个体群，且个体间相互吸引。在空间分布型研究的基础上提出了理论抽样数和序贯抽样方案。通过不同抽样方式的精确度比较，表明对角线抽样方式最佳。
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| 关 键 词： | 黑角直缘跳甲 空间分布型 抽样技术 |
Study on the spatial patterns and sampling techniques of Ophrida spectabilis (Baly) larvae |
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| Gou Yang, Wu Meng-Nai.Study on the spatial patterns and sampling techniques of Ophrida spectabilis (Baly) larvae[J].Entomological Knowledge,1998,35(1):23-25. |
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| Authors: | Gou Yang Wu Meng-Nai |
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| Abstract: | Two regression models and six indices of aggregation were used to examine the spatial patterns of OPhrida spectabilis (Baly) larvae., All indices indicated that the distribution of oPhrida spectabilis (Baly) was of an aggregated pattem. The larvae occur as colonies and the distribution of the colonies is aggregated. The theory sampling number and the sequential sampling methed were presented on the base of the spatial pattern. Sevetal sampling methods were compared and the results showed that the diagonal sampling method is the best. |
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| Keywords: | Ophrida spectabilis (Baly) spatial pattern sampling technique |
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