Bamboo in Subtropical China: Efficiency of Solar Conversion into Biomass and CO2 Sequestration

Zhihong Cao*, Guomo Zhou, Guosheng Wen, Peikun Jiang, Shunyao Zhuang, Hua Qin, Ming Hung WONG

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

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.

Original languageEnglish
Pages (from-to)190-196
Number of pages7
JournalThe Botanical Review
Volume77
Issue number3
DOIs
Publication statusPublished - Sep 2011

Scopus Subject Areas

  • Ecology, Evolution, Behavior and Systematics
  • Plant Science

User-Defined Keywords

  • Carbon
  • Climate change
  • Photosynthetic efficiency
  • Phyllostachy pubescens

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