物种丰度的折叠力估算与本地物种灭绝概率

物种丰度的折叠力估算与本地物种灭绝概率

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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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Method-focused categoriesData-perspectiveGeostatistical analysis
Method-focused categoriesProcess-perspectiveBiological process calculation

Model Description

Chinese {{currentDetailLanguage}} Chinese

物种丰富度的折叠刀估算与本地物种灭绝概率

   1)物种丰富度的折叠刀估算的一般形式:

                 

 

式中,是物种丰富度;R是被观测物种的数量; 对于

序列k的折叠刀估算是常数; 是样方h=1…,K上被监测

物种的数量,K是样方的总数。

2)丰度的变化率:

 两个取样时期ij之间的物种丰度变化率可以被估算为:

                 

 

式中,表示在时间点i时的物种丰度,且一般情况下i<j 

3)本地物种灭绝概率:

             

 

式中, 是灭绝概率的余角,表示样方i中的物种同时存在

于样方j中的概率; 是时期i中观测到的物种数量;

是时期j中,仍然存在的物种的数量的估计。

参考文献

    Nichols J D,Boulinier T,HinesJ E et al:估算动物

社会中 本地物种灭绝、殖民和颠覆速度。Ecological

Applications1998,84

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How to Cite

《资源环境数学模型手册》 (2018). 物种丰度的折叠力估算与本地物种灭绝概率, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/155e9714-e4bf-4cc8-bec6-7962f8dc3d5c
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Initial contribute: 2018-12-04

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
Homepage:  
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Last modify time : 
2020-12-31
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