摘要
本文采用聚集度指标检验法、回归分析法研究了杉木扁长蝽若虫的空间分布型。结果表明:在不同林地、不同虫口密度情况下,均呈聚集分布。若虫的聚集与栖息生境有直接关系。
This paper studied the spatial distribution patterns of Sinorsillus piliferus nymphae by adopting thecrowding level index test rnethod and the regression analysis rnethod.The results revealed that the distribu-tion of the nymphae was a crovvding one under the conditions of different forest sites and different nymphalpopulation densities.
出处
《福建林业科技》
1996年第4期48-50,共3页
Journal of Fujian Forestry Science and Technology
基金
林业部"杉木种子园主要种实害虫监测与综合治理技术研究"课题
关键词
杉木扁长蝽
若虫
空间分布型
Sinorsillus piliferus:nympha:spatial distribution pattern