群落空间格局分析模型

群落空间格局分析模型

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contributed at 2018-12-04

Authorship

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

Detailed Description

群落空间格局分析模型

 

(1)相关系数𝑟模型:

式中,𝑥𝑦表示某种蝗虫在不同样点中出现的个体数;为其平均数;𝑛为样点数。

(2)混合度指数𝐹模型:

式中,𝑎为每样方中蝗虫出现的频次;𝑖为每样方中出现蝗虫的种类数;𝑛为每样方中出现蝗虫的个体数;𝑗为抽样数。

 

参考文献

贺达汉,郑哲民,顾才东等:荒漠草原蝗虫群落空间格局的研究。生态学报,1997,17(6)

 

How to cite

《资源环境数学模型手册》 (2018). 群落空间格局分析模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/4eaae83d-e908-43c4-92c2-69dbbddc22db
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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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