摘要
本文应用比较频次分布法，聚集度指标法和相关系数法，测定了刚竹毒蛾（ＰａｎａｔａｎａｐｈｙｌｏｓｔａｃｈｙｓａｅＣｈａｏ）幼虫的空间分布型；同时用刀切法对其种群的平均拥挤度（ｍ＊）进行估计。研究结果表明，其分布型属于负二项分布，其分布的基本成分为个体群，文中分析并计算了林间调查的最适抽样数，列出幼虫序贯抽样分析表。
The spatial distribution pattern for larvae of Panatana phyllostachysae Chao were measured by methods of frequency distribution, indices of aggregation and corelation coefficient, and the mean crowding (M*) of larval population were estimated by Jackknife method. The result showed that the spatial distribution pattern of larvae obeyed the negative biomial distribution, the basic component of spatial distribution pattern was loose colony. By Iwao's methods the optimal sampling number of forest survey was analysed and calculated, and the sequential sampling analysis was also presented.
出处
《华东昆虫学报》
1997年第2期60-65,共6页
Entomological Journal of East China
基金
福建省林业厅资助
