不同放牧强度下高寒草甸植被演替规律的数量分析模型

不同放牧强度下高寒草甸植被演替规律的数量分析模型

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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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Application-focused categoriesNatural-perspectiveLand regions
Application-focused categoriesHuman-perspectiveEconomic activities

Model Description

Chinese {{currentDetailLanguage}} Chinese

不同放牧强度下高寒草甸植被演替规律的数量分析模型 

(1)不同放牧强度下植物群落沿x轴对群落a的距离x(i)模型:

式中,L为群落ab间的相异系数;DaiDbi分别为群落a, b与所求群落间的相异系数; i=1,2,,n为不同放牧强度下的植物群落。

(2)不同放牧强变下的植物群落的不吻合性差度值e(t)模型:

(3)不同放牧强度下植物群落沿y轴对群落a的距离y(t)模型:

式中,a' 为具有最高e值的群落;其他与1中对应相同。

(4)不同放牧强度下成对群落的排序间距模型:

排序间距=

式中,dx, dy分别为x轴和y轴上群落间距。

 

参考文献

周兴民,王启基:不同放牧强度下高寒草甸植被演替规律的数量分析。植物生态学与地植物学学报,1987 11(4)

 

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How to Cite

《资源环境数学模型手册》 (2018). 不同放牧强度下高寒草甸植被演替规律的数量分析模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/df3de8b8-c057-4b3b-a2f1-25fc0b6fe569
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Last modifier : 
Xiaoyu He
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Contributor(s)

Initial contribute: 2018-12-04

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
Homepage:  
View
Is authorship not correct? Feedback

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Last modifier : 
Xiaoyu He
Last modify time : 
2020-12-28
Modify times : 
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