种群与有毒物质的相互作用模型

种群与有毒物质的相互作用模型

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Contributor(s)

Initial contribute: 2018-12-04

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
Homepage:  
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Classification(s)

Method-focused categoriesProcess-perspectivePhysical process calculation
Method-focused categoriesProcess-perspectiveChemical process calculation
Method-focused categoriesProcess-perspectiveBiological process calculation

Model Description

Chinese {{currentDetailLanguage}} Chinese

种群与有毒物质的相互作用模型

(1)种群与毒物生态系统的改良史密斯模型:

 

式中,状态变量xc0cE分别代表种群中个体数量、有机体中的有毒物浓度、环境中的有毒物浓度;u(t)是有毒物输入量,其他量是常数。

(2)资源消耗与有毒物的交互作用:

使用下面的简化形式常常是有效的:

 

莱斯利类型的子模型:

f=f(t)表示资源输入系统的速率,则莱斯利类型的一个资源消耗模型是:

 

定理:对等式(1),假设并假设是正值,如果则种群中的消费者就会灭绝,如果则这些消费者数量将是稳定的。此外,模型的每个方案往往都受下列式子的限制:

 

 

参考文献

Hallam T G,Luna J T:种群与有毒物质的相互作用模型中的消亡与持续。Ecological Modelling,1983/1984,22

How to Cite

《资源环境数学模型手册》 (2018). 种群与有毒物质的相互作用模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/fca30816-1a7e-4727-b56b-ce3956d47c65
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History

Last modifier : 
XiaoYu He
Last modify time : 
2020-11-24
Modify times : 
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Contributor

Initial contribute: 2018-12-04

Co-contributor(s)

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 : 
2020-11-24
Modify times : 
View History

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