Logistics种群模型

Logistics种群模型

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Contributor(s)

Initial contribute: 2018-12-04

Authorship

:  
岳天祥编著
:  
yue@lreis.ac.cn
:  
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Method-focused categoriesData-perspectiveGeostatistical analysis
Method-focused categoriesProcess-perspectiveBiological process calculation

Detailed Description

Chinese {{currentDetailLanguage}} Chinese

Logistics种群模型

   1Logistics种群增长模型的差分方程版本如下:

             

 

式中,是在时间t的数量;r是增长的内在速率;K

环境承载力。

2)一个更大面积的种群在异类环境中能够找到更好

的地区,假定K值随S形曲线变化:

     

 

式中,w是一个变化范围在0v之间的均一分布的随机偏移;

V是一个环境变化参数,它独立于是独居种群的承载

力;是群居种群的承载力,是转换斜率参数; 是转换

门槛参数。

         

 

式中,是独居种群增长率; 是群居种群增长率, 

转换斜率参数; 是转换门槛参数。

参考文献

    Holt J,Cheke R A:沙漠蝗虫阶段变化模型。Ecological

Modelling1996,91

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《资源环境数学模型手册》 (2018). Logistics种群模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/9237a432-ff55-4a5a-920c-348ecfafc14f
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Initial contribute : 2018-12-04

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岳天祥编著
:  
yue@lreis.ac.cn
:  
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