植被及植物群落退化指数的计算

植被及植物群落退化指数的计算

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contributed at 2018-12-04

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Affiliation:  
岳天祥编著
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yue@lreis.ac.cn
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Method-focused categoriesProcess-perspectiveBiological process calculation

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植被及植物群落退化指数的计算

 

(1) 退化指数:

式中,D是退化指数;w是不同植被类型的加权值。对于栅格中的每一个农村居民地,有三个属性来表示森林和草原单元,被表示为A,BC,基于每个单元覆盖的土地,分别表示植被的面积、周长(单位是km)和被覆盖土地的结构规则性的量度。

(2) 植物群落退化指数:

式中,是植物群落退化指数,下标表示不同的农村居民地;是第i指标的值;n是指标数量。

参考文献

Pietri DED:作为阿根廷的家畜产业引起的景观恶化的指示器的植被空间配置。The Journal of Applied Ecology1995,32

How to Cite

《资源环境数学模型手册》 (2018). 植被及植物群落退化指数的计算, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/7743411f-980e-4fc0-847c-a4e2926f49f9
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Last modifier : 
Xiaoyu He
Last modify time : 
2020-11-06
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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? Feedback

History

Last modifier : 
Xiaoyu He
Last modify time : 
2020-11-06
Modify times : 
View History

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