南部松树甲虫消失扩散模型

南部松树甲虫消失扩散模型

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Contributor(s)

Initial contribute: 2018-12-04

Authorship

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

Model Description

Chinese {{currentDetailLanguage}} Chinese

南部松树甲虫消失扩散模型

        

 

 

式中,uxyt)是被标记甲虫的密度分布,它是一个时间坐

标(t)和两个空间坐标(xy)的函数;D是扩散速率; 

消失速率,它可以被改写为极坐标形式,表达为:

 其解法为 

 

是一个修正后的第二天贝塞尔函数, 是释放出的甲虫总数,

 是参数,解法方程式可进一步简化为 

AB是参数。

参考文献

    Turchin P, Thoeny W T:南部松树甲虫标记重捕实验中的

定量扩散和扩散模型。Ecological Applications1993,31

How to Cite

《资源环境数学模型手册》 (2018). 南部松树甲虫消失扩散模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/cb587a37-4847-45ed-a335-6412b389884e
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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 : 
YY
Last modify time : 
2020-12-31
Modify times : 
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