Carbon Storage of Woody Debris of Evergreen Broad-leaf Forests in Mid-subtropical Region of China at Three Succession Stages

doi:10.13466/j.cnki.lyzygl.2014.02.013

Abstract

Abstract: To better understand the effect of forest succession on carbon storage of woody debris(WD),carbon stock and allocation of evergreen broadleaf forest,a major zonal forest in subtropical China was investigated.Three forest types were sampled,i.e.,pine(Pinus massoniana)forest(PF),pine and broadleaf mixed forest(MF)and evergreen broadleaf forest(BF).The amount of woody debris(WD)biomass was between 1.26-8.82 Mg/hm²,in the following order:PF<MF<BF,which showed a trend of increase gradually with the succession.Coarse woody debris(CWD)carbon content varies with tree species and its decomposition level,with the improvement of CWD decomposition level,its carbon content gradually decreases.The woody debris carbon storages of PF,MF,and BF were 0.62 Mg/hm²,1.75 Mg/hm² and 3.78 Mg/hm²,respectively,corresponding to 0.73%,1.83% and 2.92% of the tree carbon storage.

Key words: woody debris, carbon storage, evergreen broad-leaf forests, mid-subtropical region, succession

CLC Number:

ZENG Zhangquan, WANG Silong, ZHANG Canming, WU Zijian, LI Xiquan, LUO Jia. Carbon Storage of Woody Debris of Evergreen Broad-leaf Forests in Mid-subtropical Region of China at Three Succession Stages[J]. FOREST RESOURCES WANAGEMENT, 2014, (2): 66-72.

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