种群传播模型

种群传播模型

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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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Method-focused categoriesProcess-perspectiveBiological process calculation

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Chinese {{currentDetailLanguage}} Chinese

种群传播模型

    1)根据福雷斯特模型的群体密度变化:

式中,ma,t,z)是指在时间t、空间位置为z、年龄为a的每单位面积群体的平均密度。

2)新群体建立的速率:

式中,Zt)是指在时间t种群向前迁移的位置。

3)个体在时间t和位置z的平均密度Nz,t)为:


式中,na)是一个群体中个体的数量。

4)假定一个群体中个体的数量na)随群体年龄a呈指数曲线增长:

式中,n0是指在新的群体中最初个体数;r是指增长的固有速度。

 

 

参考文献

    Sharov A ALiebhold A M:用屏障带减缓舞毒传播的模型。Ecological Applications199884

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How to Cite

《资源环境数学模型手册》 (2018). 种群传播模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/c01326ff-4920-4009-96a4-49e82adf75f3
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Last modifier : 
Zhen Qian
Last modify time : 
2020-11-15
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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

History

Last modifier : 
Zhen Qian
Last modify time : 
2020-11-15
Modify times : 
View History

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