Conference article

The Chinese Grain for Green Program - Assessing the Sequestered Carbon from the Land Reform

Madelene Ostwald
Centre for Climate Science and Policy Research, Department of Water and Environmental Studies, Linköping University, Norrköping, Sweden \ Physical Resource Theory, Department of Energy and Environment, Chalmers University of Technology, Göteborg, Sweden

Jesper Moberg
Physical Resource Theory, Department of Energy and Environment, Chalmers University of Technology, Göteborg, Sweden

Martin Persson
Physical Resource Theory, Department of Energy and Environment, Chalmers University of Technology, Göteborg, Sweden

Jintao Xu
College of Environmental Science and Engineering, Peking University, Beijing, China

Ola Eriksson
University of Gävle, Gävle, Sweden \ Profu AB, Mölndal, Sweden

Mattias Bisaillon
Profu AB, Mölndal, Sweden

Mårten Haraldsson
Profu AB, Mölndal, Sweden

Johan Sundberg
Profu AB, Mölndal, Sweden

Javier Muñoz
Grupo de Investigaciones Termoenergåticas ETSII- Madrid Polytechnic University, Spain

José M. Martínez-Val
Grupo de Investigaciones Termoenergåticas ETSII- Madrid Polytechnic University, Spain

Rubén Abbas
Grupo de Investigaciones Termoenergåticas ETSII- Madrid Polytechnic University, Spain

Joseph Simfukwe
University of Zambia, Department of Physics, Zambia

Sylvester Hatwaambo
University of Zambia, Department of Physics, Zambia

Hansingo Kabumbwe
University of Zambia, Department of Physics, Zambia

Mats Bladh
Department of Thematic Studies—Technology and social change, Linköping University, Sweden

Roman Hackl
Chalmers University of Technology Göteborg, Sweden

Simon Harvey
Chalmers University of Technology Göteborg, Sweden

Sinem Kultur
Bahcesehir University, Istanbul, Turkey

Nil Turkeri
Istanbul Technical University, Istanbul, Turkey

Penjit Srinophakun
KU-biodiesel Project, Center of Excellent for Jatropha, Kasetsart University, Bangkok, Thailand \ Center of Excellent for Petroleum, Petrochemicals, and Advanced Materials, Kasetsart University, Bangkok, Thailand

Anna Saimaneerat
KU-biodiesel Project, Center of Excellent for Jatropha, Kasetsart University, Bangkok, Thailand

Isara Sooksathan
KU-biodiesel Project, Center of Excellent for Jatropha, Kasetsart University, Bangkok, Thailand

Niphon Visarathanon
KU-biodiesel Project, Center of Excellent for Jatropha, Kasetsart University, Bangkok, Thailand

Savitree Malaipan
KU-biodiesel Project, Center of Excellent for Jatropha, Kasetsart University, Bangkok, Thailand

Kosol Charernsom
KU-biodiesel Project, Center of Excellent for Jatropha, Kasetsart University, Bangkok, Thailand

Wiboon Chongrattanameteekul
KU-biodiesel Project, Center of Excellent for Jatropha, Kasetsart University, Bangkok, Thailand

Download articlehttp://dx.doi.org/10.3384/ecp110572517

Published in: World Renewable Energy Congress - Sweden; 8-13 May; 2011; Linköping; Sweden

Linköping Electronic Conference Proceedings 57:31, s. 2517-2522

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Published: 2011-11-03

ISBN: 978-91-7393-070-3

ISSN: 1650-3686 (print), 1650-3740 (online)

Abstract

Grain for Green Program was launched in China as a national measure to control erosion and increase vegetation cover in 1999. With a budget of 40 billion US dollar; the program that targets cropland and barren land has today converted over 20 million hectares of land into primarily tree-based plantations. Even though the design of the program includes a category of energy forest only a negligible part is planted as such (0.61%). The majority of the land converted is for protection (78%). The use of these plantations in the future is however unclear and a hypothesis of energy substitution is valid.

In this paper; we try to estimate the overall carbon that has been sequestered due to the program by using official statistics from the program and by calculating it according to mainly three different approaches; calculations made on I) net primary production; II) figures from IPCC’s greenhouse gas inventory guidelines; and III) mean annual increment. We also highlight several of the uncertainties that are associated with the program and the estimations.

The result shows that conversion of cropland and barren land generated carbon sequestration over its 10 first years ranging from 222 to 468 million tonnes of carbon; with the IPCC approach yielding the highest estimate whereas the other two approaches had more similar outcome (around 250 million tonnes of carbon). Uncertainties associated with the assessment lies within the use of growth curves not designed for the particular species and their different locations; actual survival rate of the plantations; and discrepancies in figures concerning the program (e.g. area; type; survival rates) at different levels of authority (from national to local). The carbon sequestered in the biomass (above and below ground) from this program is equivalent to 14% (based on median of all three approaches) of China’s yearly carbon dioxide emissions due to fossil fuel use and cement production.

Keywords

Land-use change; Mitigations impact; Plantations; Carbon sink; Bioenergy.

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