Seasonal net carbon dioxide exchange of a beech forest with the atmosphere

被引:201
作者
Valentini, R
DeAngelis, P
Matteucci, G
Monaco, R
Dore, S
Mugnozza, GES
机构
[1] Dept. of Forest Sci. and Environment, University of Tuscia, Viterbo
关键词
carbon balance; Fagus sylvatica L; eddy covariance; primary production;
D O I
10.1111/j.1365-2486.1996.tb00072.x
中图分类号
X176 [生物多样性保护];
学科分类号
090705 ;
摘要
The seasonal carbon dioxide exchange of a beech forest of Central Italy was studied by means of the eddy covariance technique. Additional measurements of biomass respiration with cuvettes and relationship of carbon dioxide exchanges with temperature and light were used to interpolate missing data during the dormant and part of the growing season. The net ecosystem production of the forest equals 472 g C m(-2) y(-1) while the gross ecosystem production 1016 g C m(-2) y(-1) and respiration 544 g C m(-2) y(-1). These estimates are compared with the net primary production determined by direct biomass sampling which amounts to 802 g C m(-2) y(-1).
引用
收藏
页码:199 / 207
页数:9
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