Effects of Fargesia denudata density on its biomass distribution pattern

Abstract

Abstract: In this paper,the effects of Fargesia denudata density on its biomass distribution pattern were studied in the primitive Fargesia denudata-Picea purpurea forest from May to October,2003.The results showed that with increasing stem density,the total biomass,above-and below-ground biomass,net production,and average stem biomass of the bamboo were all increased,while the net increment of aboveground biomass decreased.The relationship between above-and below-ground biomass in the bamboo communities was also regulated by the stem density,with the correlation coefficient increased with the density.Except for the exponential period (July and August),the ratio of above-/below-ground biomass increased with the density,and the moderate density (140?7 stems穖^-2) had the highest ratios of above-/below-ground biomass.The biomass distribution pattern of different organs depended on both stem density and growth period,and stem density played a significantly important role in the distribution pattern of bamboo biomass.

Key words: Fargesia denudata, Density, Biomass distribution pattern

CLC Number:

S795.2

WU Fuzhong, WANG Kaiyun, YANG Wanqin, LU Yejiang. Effects of Fargesia denudata density on its biomass distribution pattern[J]. Chinese Journal of Applied Ecology, 2005, 16(6): 991-995.

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