口蹄疫-野生猪模型

口蹄疫-野生猪模型

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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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Application-focused categoriesHuman-perspectiveSocial activities

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Chinese {{currentDetailLanguage}} Chinese

口蹄疫-野生猪模型

 

式中,X是易患病野生猪的密度;I是潜伏野生猪的密度;Y是具有传染性野生猪的密度;Z是免疫野生猪密度;N是野生猪整个种群的密度;a是未患口蹄疫时的出生率;b是;未患口蹄疫时的死亡率;r是未患口蹄疫时的增长率(=a+b);K是栖息地的承载力;g是未患口蹄疫时死亡率的密度依赖性部分;α是仅由口蹄疫引起的死亡率;β是口蹄疫的传播系数;σ是从潜伏到传染的变化率;υ是康复率;w是免疫力丧失率;c是人为控制后的死亡率。

可以计算临界密度KT,若低于这个密度,口蹄疫将不会存在于这个种群中,即:

 

 

参考文献

Pech R P,Hone J:澳大利亚野生猪口蹄疫爆发的动力学和控制模型。The Journal of Applied Ecology,1988,25

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How to Cite

《资源环境数学模型手册》 (2018). 口蹄疫-野生猪模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/300f6c8a-bffd-4269-b91d-f4a19f9c1240
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Last modifier : 
Xiaoyu He
Last modify time : 
2020-11-26
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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 : 
Xiaoyu He
Last modify time : 
2020-11-26
Modify times : 
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