郁闭森林覆盖率的变化分析模型

郁闭森林覆盖率的变化分析模型

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Contributor(s)

Initial contribute: 2018-12-04

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
Homepage:  
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Application-focused categoriesNatural-perspectiveLand regions

Model Description

Chinese {{currentDetailLanguage}} Chinese

郁闭森林覆盖率的变化分析模型

 

(1) 森林地区()时间序列的多次回归方程:

式中,A是常数;是驱动力,例如种群生长率、每头牲畜的收入、农作物价格;是控制力,例如农业生产力;是促进因子,例如公路通达状况。

(2) 每年森林砍伐率()的交叉组合多次回归模型:

(3) 森林覆盖率百分比的交叉组合多次回归模型:

式中,是从前的森林土地被其他用途占据的数量,例如种群密度;是约束,例如农业生产力。

(4) 潮湿的热带地区的30个乡村的回归方程:

式中,1970~1990年每年的种群生长率;1970~1990年被砍伐的地区。

参考文献

Grainger A:对于模拟热带森林开放森林的砍伐和退化的约束。GlobalEcology and Biogeography1999,8

How to Cite

《资源环境数学模型手册》 (2018). 郁闭森林覆盖率的变化分析模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/1d55fa62-ae71-44cb-98ac-d2b1141f0b92
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History

Last modifier : 
XiaoYu He
Last modify time : 
2020-12-29
Modify times : 
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Contributor

Initial contribute: 2018-12-04

Co-contributor(s)

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 : 
2020-12-29
Modify times : 
View History

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