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黄杨粕片盾蚧种群扩散规律及空间分布特性研究

标题: 黄杨粕片盾蚧种群扩散规律及空间分布特性研究
英文标题: A STUDY ON THE DISPERSION LAW AND SPATIAL DISTRIBUTION CHARACTERISTICS OF PARLAGENA BUXI(TAKAHASHI) POPULATION
作者: 高宝嘉,崔巍,李英华
英文作者: GAO BAOJIA,CUI WEI,LI YINGHUA
出版时间: 1996-01-01
机构: 河北农业大学
关键词: 扩散规律,空间分布特性,种群,黄杨粕片盾蚧
英文关键词: DISPERSION LAW,SPATIAL DISTRIBUTION CHARACTERISTIC,POPULATION,PARLAGENA BUXI(TAKAHASHI)
刊名: 河北农业大学学报
英文刊名: JOURNAL OF AGRICULTURAL UNIVERSITY OF HEBEI
ISSN: 1000-1573
卷号: 003
基金: ^A河北省教委课题^B^D1
页码: 7-12
分类号: S763SS.S35S
摘要: 黄杨粕片盾蚧1龄若虫在小叶黄杨1年生枝条上聚集与扩散交替发生,在当年生枝条上则持续扩散.其整个种群在较大时空范围内亦呈现持续扩散趋势.种群个体间有相互吸引作用,以个体群存在,在生境空间呈聚集分布;其在植株内不同部位中以阴面上部聚集程度最高,而在植株间则聚集程度较低.
英文摘要: The first instar nymphs of Parlagena buxi alternate aggregation and dispersion of the one-year old twigs of Buxus microphylla,and they disperse continuouslly on the twigs grown in the year.The whole population of P.buxi appears continued dispersion tendency in the large temporal and spatial range.In the population,the individuals attract each other,and their existence is coloies.The population appears aggregation pattern in the habitat space.The highest aggregation degree of it is on the upper part of north...