摘要
林间调查分析结果表明 :1南京裂爪螨丝膜数量消长与该螨种群一致 ,在年周期中有 2个高峰期 ,分别是 3月和 9～ 1 1月 ,4～ 8月处于较底的水平 ;2丝膜数量与气温呈极显著相关 (r=- 0 .61 87) ;3一年中大多数时期南京裂爪螨丝膜呈聚集分布 ,仅 5～ 8月呈均匀分布或接近于均匀分布 ,并具有明显的高度聚集分布—均匀分布—低度聚集分布—高度聚集分布周期 ;4丝膜的分布 C值与气温及降雨量呈显著相关 (r=- 0 .540 3,- 0 .453 0 )。
A forest survey indicates that ①The Coating's Quantity Growth and Decline of Schizotetranychus nanjingensis coincides with the species of this Schizotetranychus. It has two climaxes in one year, March and Sep.--Nov. respectively. It is in a lower level from April to August. ②The coating quantity has a closed connection with temperature (r= -0.618 7 ).③It is in a clustered distribution in most time of a year, and only from May to August it is in an equal distribution state. It has an obvious cycle of high clustered distribution--equal distribution--low clustered distribution--high clustered distribution.④The distribution C value of coating has a close connection with temperature and rainfall (r=-0.540 3,-0.453 0).
出处
《竹子研究汇刊》
2003年第1期28-31,共4页
Journal of Bamboo Research
关键词
南京裂爪螨
丝膜
数量消长
空间格局
时序动态
种群
气温
聚集分布
降雨量
毛竹害螨
Phyllostachys pubescense
Schizotetranychus nanjingensis Ma et Yuan
Mite nest
Growth and decline
Spatial pattern
Time dynamic
