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杉木人工林自然稀疏规律研究 被引量:24

A STUDY ON THE SELF-THINNING LAW OF CHINESE FIR PLANTATION
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摘要 Based on density theory of plant growth and related biological hypothesis, a theoretical model describing the whole change process of plant population density was derived, i.e. \%N\%=exp(\%a\%ln\+2\%v+b\%ln\%v+c\%), where \%N\% and \%v\% represent population density and mean volume of a plant, and \%a,b,c\% are parameters. Thereby, the authors proposed a self\|thinning mechanism model which can be used in different sites and different growth stages of Chinese fir plantation, the model was described as \%N\%=exp(5 895932H 0 01351034 -0 9225263H -0 002829299\}ln\%v\%-0 1148481H -0 01018257\}ln\+2\%v\%).The simulating result showed that the mechanism model fitted the data observed from Chinese fir plantation very well. Therefore it is very useful in practice, which will provide a scientific basis for sustainable management of Chinese fir plantation. Based on density theory of plant growth and related biological hypothesis, a theoretical model describing the whole change process of plant population density was derived, i.e. \%N\%=exp(\%a\%ln\+2\%v+b\%ln\%v+c\%), where \%N\% and \%v\% represent population density and mean volume of a plant, and \%a,b,c\% are parameters. Thereby, the authors proposed a self\|thinning mechanism model which can be used in different sites and different growth stages of Chinese fir plantation, the model was described as \%N\%=exp(5 895932H 0 01351034 -0 9225263H -0 002829299\}ln\%v\%-0 1148481H -0 01018257\}ln\+2\%v\%).The simulating result showed that the mechanism model fitted the data observed from Chinese fir plantation very well. Therefore it is very useful in practice, which will provide a scientific basis for sustainable management of Chinese fir plantation.
作者 吴承祯 洪伟
出处 《林业科学》 CAS CSCD 北大核心 2000年第4期97-101,共5页 Scientia Silvae Sinicae
基金 福建省自然科学基金资助项目!(F991)
关键词 杉木人工林 自然稀疏规律 植物种群 密度 Chinese fir plantation, Self-thinning
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