绿色生物量的净变化率模型

绿色生物量的净变化率模型

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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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Application-focused categoriesNatural-perspectiveLand regions

Model Description

Chinese {{currentDetailLanguage}} Chinese

绿色生物量的净变化率模型

式中,V是总的绿色生物量;G是绿色生物量的生长率;c是一只动物对绿色生物量的消费率;H是动物的种群密度。

式中,g是低生物量时的相对增长率;是没有放牧时的最大生物量;m是相对生物量损失率。

    1)阶段1

     生物量的净变化:

式中,是在时间时的初始绿色生物量。

2)阶段2

式中,是饱和(最大)消费率;是饱和消费所达到的生物量;,是绿色生物量到达的时间,当,阶段2将会在时间结束,增长达到最大值时,可表达为;

3)阶段3

一旦V超过,则

 

 

参考文献

    Noy-MeirⅠ:季节性草原的放牧和生产-简单模型的分析。Journal of Applied Ecology197815

 

How to Cite

《资源环境数学模型手册》 (2018). 绿色生物量的净变化率模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/9694d266-a76e-4c56-bd53-5c0dcc4af6a0
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History

Last modifier : 
XiaoYu He
Last modify time : 
2020-12-28
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 : 
2020-12-28
Modify times : 
View History

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