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The Chinese Grain for Green Programme: Assessing the carbon sequestered via land reform
Chalmers University of Technology, Sweden .
Chalmers University of Technology, Sweden .
Linköping University, The Tema Institute, Department of Water and Environmental Studies. Linköping University, Faculty of Arts and Sciences. Linköping University, The Tema Institute, Centre for Climate Science and Policy Research . Chalmers, Sweden .ORCID iD: 0000-0002-4484-266X
Peking University, Peoples R China .
2013 (English)In: Journal of Environmental Management, ISSN 0301-4797, E-ISSN 1095-8630, Vol. 126, 142-146 p.Article in journal (Refereed) Published
Abstract [en]

The Grain for Green Programme (GGP) was launched in China in 1999 to control erosion and increase vegetation cover. Budgeted at USD 40 billion, GGP has converted over 20 million hectares of cropland and barren land into primarily tree-based plantations. Although GGP includes energy forests, only a negligible part (0.6%) is planted as such, most of the land (78%) being converted for protection. Future use of these plantations is unclear and an energy substitution hypothesis is valid. We estimate the overall carbon sequestration via GGP using official statistics and three approaches, based on i) net primary production, ii) IPCCs greenhouse gas inventory guidelines, and iii) mean annual increment. We highlight uncertainties associated with GGP and the estimates. Results indicate that crop- and barren-land conversion sequestered 222-468 Mt of carbon over GGPs first ten years, the IPCC approach yielding the highest estimate and the other two approaches yielding similar but lower estimates (approximately 250 Mt of carbon). The carbon stock in these plantation systems yields a mean of 12.3 t of carbon per hectare. Assessment uncertainties concern the use of growth curves not designed for particular species and locations, actual plantation survival rates, and discrepancies in GGP figures (e.g., area, type, and survival rate) at different authority levels (from national to local). The carbon sequestered in above- and below-ground biomass from GGP represents 14% (based on the median of the three approaches) of Chinas yearly (2009) carbon dioxide emissions from fossil fuel use and cement production.

Place, publisher, year, edition, pages
Elsevier , 2013. Vol. 126, 142-146 p.
Keyword [en]
Land-use change, Mitigation impact, Plantations, Carbon sink, Bioenergy
National Category
Social Sciences
URN: urn:nbn:se:liu:diva-95931DOI: 10.1016/j.jenvman.2013.02.045ISI: 000321088300017OAI: diva2:641781

Funding Agencies|Swedish International Development and Cooperation Agency||Swedish Energy Agency||

Available from: 2013-08-19 Created: 2013-08-12 Last updated: 2015-06-02

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Ostwald, Madelene
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