植被规模分布动态模型

植被规模分布动态模型

  87

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

Classification(s)

Application-focused categoriesNatural-perspectiveLand regions
Application-focused categoriesNatural-perspectiveLand regions

Detailed Description

Chinese {{currentDetailLanguage}} Chinese

植被规模分布动态模型

(1)模型:

假定一个植物种群在同质的区域内生长,在时间t每单位面积的个体的数量用n(W,t)dW表示,W是个体的重量,个体的生长率和死亡率分别用vM表示,调整n(W,t)动力学的基本方程通过vonForester方程给出:

假定群落中的每种植物被相邻区域S的更大植物遮蔽,本区域相邻的比W更大的植物总数为:

式中,N(W,t)是规模等级;K0是没有遮蔽的条件下,植被的最大规模。

生长率v的计算公式为:

式中,r是生长系数;A是指感受性。

(2)没有死亡的案例分析:

稳定状态下的规模等级:

规模频数分布定义为:

稳定状态的分布::

式中,

 

参考文献

Takada T, Iwasa Y:遮蔽的相互影响下植被的规模分布动力学。Ecological Modelling, 1986, 33

 

How to Cite

《资源环境数学模型手册》 (2018). 植被规模分布动态模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/c91704b1-8b05-4ec5-8883-c7b33d8a3a07
Copy

History

Last modifier : 
Xiaoyu He
Last modify time : 
2020-12-29
Modify times : 
View History

QR Code

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 : 
2020-12-29
Modify times : 
View History

QR Code

×

{{curRelation.overview}}
{{curRelation.author.join('; ')}}
{{curRelation.journal}}

You can link related {{typeName}} from repository to this model item, or you can create a new {{typeName.toLowerCase()}}.

Related Items

These authorship information will be submitted to the contributor to review.

Model Classifications 1
Model Classifications 2
Cancel Submit