人工-天然杉阔混交林种群生态位及竞争研究

doi:10.11707/j.1001-7488.20040113

Scientia Silvae Sinicae ›› 2004, Vol. 40 ›› Issue (1): 78-83.doi: 10.11707/j.1001-7488.20040113

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Study on the Niche and Competition of Populations in Man-natural Mixed Forest of Cunninghamia lanceolata and Broadleaf Trees

Chen Cunji,Chen Xinfang,Liu Jingfu,Dong Jianwen,Chen Shipin

College of Forestry, Fujian Agriculture and Forestry University Nanping353001

Received:2001-01-18 Revised:1900-01-01 Online:2004-01-25 Published:2004-01-25

Abstract

Abstract:

The paper dealt with the niche characteristics of 4 main tree populations in man_natural mixed forest of C.lanceolata and broadleaf trees. The niche breadth, niche proportional similarity and niche overlap of main tree populations were determined, and the ecological significance of results were analyzed. Meanwhile the main populations in man_natural mixed forest were studed by the Lotka_Volterra equation of competition. The results showed that the relative dominance of Cunninghamia lanceolata and Castanopsis carlesii was respectively 87.45% and 12.55% when the stand reaches balance, I.e.those two species can jointly dominate a community and the whole community would be controlled by Cunninghamia lanceolata population.

Key words: Man_natural mixed forest of C.lanceolata and broadleaf trees, Niche breadth, Niche proportional similarity, Niche overlap, Competition

Chen Cunji;Chen Xinfang;Liu Jingfu;Dong Jianwen;Chen Shipin. Study on the Niche and Competition of Populations in Man-natural Mixed Forest of Cunninghamia lanceolata and Broadleaf Trees[J]. Scientia Silvae Sinicae, 2004, 40(1): 78-83.

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Study on the Niche and Competition of Populations in Man-natural Mixed Forest of Cunninghamia lanceolata and Broadleaf Trees

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