资源重叠指数

资源重叠指数

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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

资源重叠指数

    MacArthur1972)提出:

          

 

式中,a是物种ij之间的资源重叠指数; 是每单位时

间捕食者i吃掉的被捕食者样本的数量; 是在以被捕食者i

为食的捕食者中,捕食者k所占的个体比例; 是环境中被

捕食者k的个体相对丰富度; 是单个或每单位被捕食者k

对捕食者i来说的价值; 是被捕食者k的环境承载力; 

是环境中被捕食者k的最大增长率。

上式可化简为:

           

 

参考文献

    Loman J:重叠指数作为竞争系数的应用――使用野外资料

检验。Ecological Modelling1986,34

How to cite

《资源环境数学模型手册》 (2018). 资源重叠指数, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/d49749a2-5e97-4d43-b998-07e190d1ffbb
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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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