Effects of Vegetation Restoration on Soil Organic Carbon in China： A Meta-analysis

Vegetation restoration has been proposed as an effective method for increasing both plant biomass and soil carbon （C） stocks. In this study, 204 publications （733 observations） were analyzed, focusing on the effects of vegetation restoration on soil organic carbon （SOC） in China. The results showed...

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Bibliographic Details
Published in:Chinese geographical science 2017-04, Vol.27 (2), p.188-200
Main Authors: Gong, Li, Liu, Guohua, Wang, Meng, Ye, Xin, Wang, Hao, Li, Zongshan
Format: Article
Language:English
Subjects:
Accumulation
Agricultural land
Carbon
Climate change
Climate change mitigation
Earth and Environmental Science
Geography
Land use
Meta-analysis
Organic carbon
Organic soils
Plant biomass
Soil depth
Vegetation
Vegetation effects
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Summary:Vegetation restoration has been proposed as an effective method for increasing both plant biomass and soil carbon （C） stocks. In this study, 204 publications （733 observations） were analyzed, focusing on the effects of vegetation restoration on soil organic carbon （SOC） in China. The results showed that SOC was increased by 45.33%, 24.43%, 30.29% and 27.98% at soil depths of 0-20 cm, 20-40 cm, 40-60 cm and 〉 60 cm after vegetation restoration, respectively. Restoration from both cropland and non-cropland increased the SOC content. The conversion of non-cropland was more efficient in SOC accumulation than the conversion of cropland did, especially in 〉 40 cm layers. In addition, the conversion to planted forest led to greater SOC accumulation than that to other land use did. Conver- sion period and initial SOC content extended more influence on soil C accumulation as the main factors after vegetation restoration than temperature and precipitation did. The SOC content significantly increased with restoration period after long-term vegetation restoration （〉 40 yr）, indicating a large potential for further accumulation of carbon in the soil, which could mitigate climate change in the near future.
ISSN:1002-0063
1993-064X
DOI:10.1007/s11769-017-0858-x