样本单位虫口数阈的重要性模型

样本单位虫口数阈的重要性模型

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contributed at 2018-12-04

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Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
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Geography SubjectPhysical GeographyEcosystem

Detailed Description

样本单位虫口数的重要性模型

 

(1) 经验关系式:

1)  经验关系式模型:

2)  方差模型:

式中,mse为拟合(1)式所产生的均方误;N为观察值总数;avglnm为回归分析中自变量lnm的平均值;为斜率b的方差。

(2) 概率模型:

式中,k为扩散参数。

参考文献

明光:麦长管蚜的序贯二项式分类抽样设计与管理决策优化:样本单位虫口数的重要性。生态学报,1996,16(4)

How to cite

《资源环境数学模型手册》 (2018). 样本单位虫口数阈的重要性模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/b21ea2cc-9de3-41bb-b91d-493b8a4a9e01
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Contributor

contributed at 2018-12-04

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
Homepage:  
View
Is authorship not correct? Feed back

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