群落-生境相关性指数

群落-生境相关性指数

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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

群落-生境相关性指数

假设我们有N群丛样本,用矩阵表示为:

式中,Sij表示群丛j中物种i (i=1,2,…,m) 的丰富度,且, V表示群丛j中环境变量i (i=12,...,k)的值。

首先,基于矩阵S, N群丛聚集成r组,分别用标识;其次,基于矩阵V, N群丛也可以聚集成r组,分别用标识。N(φ)表示集合φ中元素的数量。对于每个存在一个集合,满足:

因此,被定义为:

 

参考文献

Zhang D:衡量群落和生境相关性强弱的指数。EcologicalModelling,1988,40

 

How to cite

《资源环境数学模型手册》 (2018). 群落-生境相关性指数, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/4e61b9a1-2af4-49eb-a1b2-7a8de3739b1e
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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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