初级生产估算模型

初级生产估算模型

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contributed at 2018-12-04

Authorship

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

Geography SubjectPhysical GeographyEcosystem

Detailed Description

初级生产估算模型

(1)净初级生产的分布函数(NPP):

定义为时间12的生物量,作为与样本误差有关的随机变量,假定:

 

NPP:

 

式中,

 

 

(2)NPP (E(NPP))估算值的平均值和它的变化(Var(NPP))可表达为:

 

 

 

(3) E(NPP)的差被称为估计过高的误差(OE):

 

 

参考资料

Sala O E,BiondiniM E,Lauenroth W K:初级生产估算的偏好―一个分析解法。Ecological Modelling, 1988,44

 

How to cite

《资源环境数学模型手册》 (2018). 初级生产估算模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/b8257b16-9b30-40ec-9460-e00a4a908b6b
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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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