空间格局和一维格局的数学模型

空间格局和一维格局的数学模型

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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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Classification(s)

Method-focused categoriesData-perspectiveGeostatistical analysis

Model Description

Chinese {{currentDetailLanguage}} Chinese

空间格局和一维格局的数学模型

(1)      均匀型(二项分布)――理论分布的概率模型:

式中,r为样方中的个体数。

2)随机型(Poisson分布)――理论分布的概率模型:

式中,m为每单位面积上的平均个体数。

3)群团型――理论分布的概率模型:
    
负二项分布:

式中,k=const

     奈曼分布:

式中,为单位平均的群团数;为群团内部每单位平均的个体数。

4)负二项分布的期望(m)和方差(v)模型:

  1)负二项分布的期望(m)模型:

式中,为负二项分布的矩母函数。

      2)负二项分布的方差(v)模型:

由此可以看出:

 

 

参考文献

    韩铭哲:火烧迹地上红松种群自然更新格局的讨论。生态学报,198884

How to Cite

《资源环境数学模型手册》 (2018). 空间格局和一维格局的数学模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/e638e986-caae-427a-b50b-162aadb5a95a
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History

Last modifier : 
Zhen Qian
Last modify time : 
2020-11-11
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 : 
Zhen Qian
Last modify time : 
2020-11-11
Modify times : 
View History

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