随机迹地模型

随机迹地模型

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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

随机迹地模型

 

(1) 对随机分布的种来说,迹地生境的模式也是随机的,在这些条件下,任何未死的样方含有特定种的可能性(Z)为:

式中,N是指被讨论的种的群体大小,Q是景观中样方的总数。

(2) 存活于任意数量的迹地生境的一个种持续存在的可能性P为:

式中,R是在毁林过程中减少的样方数量。

(3) 对个体种i来说,假定其最终持续性为,则在任何迹地水平,一个共位群或群落的种群丰度期望值为:

参考文献

Laurance WF,Gascon CMeronal JMR:生境破坏对植物群落的影响预测。Ecological Applications19999(2)

How to cite

《资源环境数学模型手册》 (2018). 随机迹地模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/5dfed1d2-ab65-40bd-99eb-642f82ac3ea9
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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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