Abstract
Net photosynthetic rate (Pn) increased in bamboo (Phyllostachy pubescens) with increased atmospheric CO2 concentrations. Average maximum Pn was 17.76, 16.66, and 16.77 (μmol/m2/s) in lower, middle and upper layers canopy respectively at CO2 saturation point. Light use efficiency of leaves ranged from 0.15% to 2.25% on different days and at different times of year measured by LP-6400 at 900 m altitude in the Tianmu Mountain Natural Reserve (TMNR) in Northwest Zhejiang Province, China. At two distant locations (TMNR and Lingfeng Bamboo Farm, Anji County) annual radiation conversion efficiency was 1.43% and 1.62% into total biomass (ET), and 0–1% into harvestable biomass (Eh). Carbon sequestration rates were 14.8, and 16.7 t/ha/annum at the two locations. We argue that expansion of bamboo forests into marginal lands of China, with improved management, offers real potential and options to counter climate change.
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Acknowledgement
We would like to acknowledge the financial support from Zhejiang A & F University, China, and also express our appreciation to Miss Q.Y. Lin, Mr. J.S. Wu and Mr. X.B. Qian for their assistance in field measurements and laboratory analysis. We would also like to express our sincerely thanks to two reviewers and Dr. Anna O.W. Leung for their valuable comments in improving the quality of this paper in scientific point of view and for English editing.
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Cao, Z., Zhou, G., Wen, G. et al. Bamboo in Subtropical China: Efficiency of Solar Conversion into Biomass and CO2 Sequestration. Bot. Rev. 77, 190–196 (2011). https://doi.org/10.1007/s12229-011-9075-y
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DOI: https://doi.org/10.1007/s12229-011-9075-y