种群间联结关系模型

种群间联结关系模型

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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

种群间联结关系模型

    1)主要树木种群间的总体相关性检验模型:


式中,Rv为方差比率;为总样本数方差;为总种数方差;N为样方总数;Tj为第j样方树种总和;ni为第i树种出现样方数。

2JaccardJI)指数模型:


式中,JI指数亦称共同出现百分率。

3)联结系数AC模型:

式中,AC的值域为[-11]AC值越趋近于1,表明物种间的正联结性越强;AC值越趋近于-1,表明物种间的负联结性越强;AC=0,物种间相对独立。

4)点相关系数φ模型:


   
5x2检验模型:

 

 

参考文献

    李先琨,黄玉清,苏宗明:南方红豆杉群落主要树木种群间联结关系初步研究。生态学杂志,1999183

How to cite

《资源环境数学模型手册》 (2018). 种群间联结关系模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/8e77a99b-742e-474f-83c1-a6c12c2405ce
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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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