森林渐近特征估算模型

森林渐近特征估算模型

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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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Geography SubjectPhysical GeographyEcosystem

Detailed Description

森林渐近特征估算模型

 

(1)在平均的树体积和树密度之间的竞争密度关系能通过C-D效应的倒数方程来表达:

式中, 是系数; t是时间; 是初始的平均树体积;是最终产量,可表达为,是渐近顶部的高度。

 

(2) 渐近基本面积是():

 

 

式中, F是站立形状因子,它被定义为剥去树皮的树木体积与有相同截面积和高度的圆柱体体积的比率。

 

(3) 渐近的树密度() :

 

式中, C是常数。

(4)渐进树体积():

 

参考资料

Zhang L, Moore J A:基于生物数学基本原理,估算森林渐近特征。Ecological Applications, 1993, 3(4)

How to cite

《资源环境数学模型手册》 (2018). 森林渐近特征估算模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/97c0c8b3-b6e6-44a8-9693-d672a1c4b5cb
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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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