褐稻虱再猖獗原因的分析模型

褐稻虱再猖獗原因的分析模型

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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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Geography SubjectPhysical GeographyEcosystem

Detailed Description

褐稻虱再猖獗原因的分析模型

(1)盲蝽捕食稻虱卵的功能模型:

 

式中,Na为被捕食的卵量;N为和稻虱卵的密度。

(2)对害虫-天敌系统的影响——杀虫剂选择性指数模型:

 

式中,LD50为致死中量。若P=0,该种杀虫剂无选择性;P<0,该杀虫剂是负选择性;P>0,该杀虫剂有选择性。

 

参考文献

高春先,顾秀慧,贝亚维等:褐稻虱再猖獗原因的探讨。生态学报,1988,8(2)

How to cite

《资源环境数学模型手册》 (2018). 褐稻虱再猖獗原因的分析模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/5a209268-540f-4534-80ee-f4cf1183d7bb
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Contributor

contributed at 2018-12-04

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
Homepage:  
View
Is authorship not correct? Feed back

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