Species Abundance Distribution Model of Keteleeria davidiana Community in Zhangheyuan Nature Reserve

doi:10.14088/j.cnki.issn0439-8114.2018.18.020

Abstract

Abstract: Based on model octave grouping method, Weibull distribution model was employed to fit the species abundance of the tree layers in the Keteleeria davidiana（Bertr.） Beissn. community in Zhangheyuan Nature Reserve of Nanzhang county, Hubei province. The results showed that, the Weibull distribution models of the tree layers of 3 consecutive sample plots and 3 samples plots combined were tested with ², and the fitting models of tree layers in sample plot 1 and sample plot 3 were in accordance with Weibull distribution, while the fitting models of tree layers in sample plot 2 and the sample plots combined were not completely in accordance with Weibull distribution; the K-S test showed that the species abundance of the tree layers was consistent with Weibull distribution through four sampling sources. Comprehensively speaking, Weibull distribution model proves to be applicable to the species abundance distribution of tree layers in K. davidiana communities.

Key words: Keteleeria davidiana （Bertr.） Beissn., community, species abundance, Weibull distribution model, Nanzhang county

CLC Number:

S791.15⁺8（634NZ）

ZHANG Min, ZHANG Xiao-lin, WANG Yang, LI Xin-zhi. Species Abundance Distribution Model of Keteleeria davidiana Community in Zhangheyuan Nature Reserve[J]. HUBEI AGRICULTURAL SCIENCES, 2018, 57(18): 80-83.

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