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Position: Home > Articles > STUDY ON SPATIAL DISTRIBUTION PATTERN OF THE LARVAE OF EPISYRPHUS BALTEATUS (DE GEER) IN TOBACCO FIEL Wuyi Science Journal 2003,19 279-282

烟田黑带食蚜蝇幼虫的空间分布型研究

作  者:
陈乾锦;曾强;邓双湖;李小龙;张玉珍
单  位:
福建省邵武市烟草公司;福建省烟草公司
关键词:
烟草;黑带食蚜蝇;空间分布型;抽样模型
摘  要:
对烟田黑带食蚜蝇幼虫的空间分布型测定结果表明:聚集度指标测定为聚集分布;频次分布检验为负二项分布;Iwao的m~*—m的回归模型为m~*=—0.2489+2.3886m,说明属于具有公共K值的负二项分布。分析了田间抽样的理论抽样数。
译  名:
STUDY ON SPATIAL DISTRIBUTION PATTERN OF THE LARVAE OF EPISYRPHUS BALTEATUS (DE GEER) IN TOBACCO FIEL
作  者:
CHEN Qian-jin~1, ZENG Qiang~1, DENG Shuang-hu~1, LI Xiao-long~1, ZHANG Yu-zhen~2(1. Shao- wu Tobacco Corporation of Fu]ian Province, Shao- wu 354000; 2. Fujian Tobacco Corporation, Fuzhou 350003)
关键词:
tobacco; Episyrphus balteatus (De Geer); spatial distribution pattern; sampling model
摘  要:
The present paper deals with spatial distribution pattern of Episyrphus balteatus (De Geer) in tobacco field. The results show that it displays as the negative binomial distribution by determination of frequency distribution and fits to the pattern of aggregation by the test of distribution pattern indices. The linear regression equation of Iwao's m —m can be described as m = —0.2489+2.3886m, so it fits to the negative bionomial distribution with the public K value. The theoretical sampling number model is also built up in the present paper.

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