| 云南松梢斑螟空间分布型的研究 |
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| 引用本文： | 王辉,陈方. 云南松梢斑螟空间分布型的研究[J]. 西南林学院学报, 2004, 24(2): 41-43 |
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| 作者姓名： | 王辉 陈方 |
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| 作者单位： | 西南林学院,保护生物学学院,云南,昆明,650224 |
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| 基金项目： | 云南省科技厅应用基础研究基金资助项目(2000C0056M). |
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| 摘 要： | 应用频次比较法、聚集度指标法、Iwao与Taylor等的回归分析方法，对云南松梢斑螟的空间分布型进行研究．结果表明其空间分布型为聚集型分布．用B1ackith提出的“聚集均数”法对聚集原因分析表明：云南松梢斑螟的聚集现象与其栖息环境有直接关系，生物学特性的作用能通过种群密度的变化表现出来。
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| 关 键 词： | 云南松 梢斑螟 空间分布型 频次比较法 聚集度指标法 |
| 文章编号： | 1003-7179(2004)02-0041-03 |
A Study on the Spatial Distribution Pattern of Dioryctria yuennanella |
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| WANG Hui,CHEN Fang. A Study on the Spatial Distribution Pattern of Dioryctria yuennanella[J]. Journal of Southwest Forestry College, 2004, 24(2): 41-43 |
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| Authors: | WANG Hui CHEN Fang |
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| Abstract: | Frequency check methods, regression analysis and several aggregation indices were used to determine the spatial distribution pattern of Dioryctria yuennanella. In addition,the aggregation average method by Blackith was applied to analyze the aggregation reasons of Dioryctria yuennanella. The spatial distribution pattern of Dioryctria yuennanella was positively related to its environment, and the function of biological characteristics only occurred with the change of population density. |
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| Keywords: | Dioryctria yuennanella spatial distribution patterns aggregation index |
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