物种丰度测量方法

物种丰度测量方法

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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

物种丰度测量方法

 

(1) 物种丰度的杰克莱芙估计量:

物种丰度的郁闭群系的、第一顺序的杰克莱芙估计量是:

式中,是一个样本中物种的总量;是在一个严格的样方内发现的种的数量;n是指样本大小。

(2) k顺序的杰克莱芙表达式是:

(3) 物种丰度的郁闭引导估计:

式中,是指物种j所在的样方的数量。

(4) 物种丰度的期望值

式中,物种丰度的个体估计量;n为样本数量。

参考文献

Hellmann JJ,FowlerGW:四中物种丰度测量方法的偏差、精确度和准确度。Ecological Applications19999(3)

How to cite

《资源环境数学模型手册》 (2018). 物种丰度测量方法, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/3531a66b-bf9b-4329-95a9-80f462ca4df1
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Contributor

contributed at 2018-12-04

Authorship

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

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