摘要
应用地理统计学的原理和方法,对木麻黄星天牛越冬幼虫的空间分布图式进行研究。半方差图分析结果表明,木麻黄星天牛越冬代幼虫的半变异函数曲线为球形,空间格局为聚集型;Krig-ing 估计结合木麻黄星天牛幼虫生物学特性和常规测定结果表明,木麻黄星天牛越冬代幼虫形成8～10m 的聚集区,各聚集区间为随机分布。根据分析结果可对未取样点的虫口数量做出估计,估计能较好地拟合林间实际分布。
Using principle and method of geographic statistics,conducted the study of space distribution pat- tern of overwintering larvas of Anoplophora chinensis(Forster)in the Casuarina spp.Analysis by hemi-vari- ance diagram showed semi-variance functional curve of overwintering larvas was spherical,and the spatial pat- tern was aggregate.Biological characteristics of larvas of cerambycid beetle and the result of routine measure- ment showed that the overwintering generation larvas formed 8～10 m of aggregate plots that distrbuted ran- dom.According to the result of analysis can be made estimation of population amount that was no sampled.
出处
《防护林科技》
2000年第S2期30-32,共3页
Protection Forest Science and Technology
基金
国家"九五"攻关专题(编号:96-005-04-04-04)
关键词
星天牛
地理统计学
空间分布
Anoplophora chinensis(Forster)
geographic statistics
space distribution
