杂草群落中杂草生态位模型

杂草群落中杂草生态位模型

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Contributor(s)

Initial contribute: 2018-12-04

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
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Application-focused categoriesNatural-perspectiveLand regions

Model Description

Chinese {{currentDetailLanguage}} Chinese

杂草群落中杂草生态位模型

 

(1)杂草的重要值𝐼V模型:

式中,𝐴𝑖为杂草在第𝑖优势度级的代表值;𝐵𝑖为杂草在第𝑖优势度级出现的样方数;𝐶为该样点中的样方数。重要值在0~1之间。

(2)农田中杂草的生态位宽度𝐵模型:

式中,𝑆为样点数;𝐼𝑉𝑖为该种杂草在第𝑖样点中的重要值。

 

参考文献

郭水良,李扬汉,赵铁桥:浙江金华地区小麦-杂草群落中杂草生态位的研究。植物生态学报,1998,22(1)

 

How to Cite

《资源环境数学模型手册》 (2018). 杂草群落中杂草生态位模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/5be680b5-e159-4ab5-9e76-f92880ad0e14
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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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