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Carbon balance of a primary tropical seasonal rain forest
Tan Z. H.; Zhang Y. P.; Yu G. R.; Sha L. Q.; Tang J. W.; Deng X. B.; Song Q. H.
Source PublicationJournal of Geophysical Research-Atmospheres
2010
Volume115
KeywordNet Ecosystem Production Interannual Climate Variability Gross Primary Production Old-growth Forests Soil Respiration Atmospheric Co2 Flux Measurements Eddy-covariance Terrestrial Ecosystems Temperate Forest
AbstractThe role of primary tropical rain forests in the global carbon cycle is under active debate. By combining long-term forest inventory data with physiological measurement data in a 1 ha permanent ecological research plot beneath an eddy covariance flux tower in a primary tropical seasonal rain forest, the ecosystem carbon balance was investigated and a detailed site-specific carbon budget was established. The studied ecosystem was a carbon sink as determined by both eddy covariance (1.19 Mg C ha(-1) yr(-1)) and biometric methods (3.59 Mg C ha(-1) yr(-1)). Biometric-and eddy covariance-based net ecosystem production showed no convergence in our investigation period. The large biomass increment, caused by the rapid annual growth rate of large trees, primarily accounted for the large ecosystem carbon sink derived from the biometric method. High leaf respiration in relation to carbon allocation and low ecosystem carbon use efficiency (0.34) were observed at our site.
Indexed BySCI
ISSN0148-0227
Document TypeSCI/SSCI论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/23008
Collection历年回溯文献
Recommended Citation
GB/T 7714
Tan Z. H.,Zhang Y. P.,Yu G. R.,et al. Carbon balance of a primary tropical seasonal rain forest. 2010.
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