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Carbon emissions from land-use change and management in China between 1990 and 2010

Lai, L; Huang, X; Yang, H; Chuai, X; Zhang, M; Zhong, T; Chen, Z; ... Thompson, JR; + view all (2016) Carbon emissions from land-use change and management in China between 1990 and 2010. Science Advances , 2 (11) , Article e1601063. 10.1126/sciadv.1601063. Green open access

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Abstract

China has experienced enormous changes in land use in recent decades, which are largely driven by its unparalleled economic development. We analyze changes in vegetation and soil carbon storage between 1990 and 2010 resulting from combinations of land-use category conversion and management. Results demonstrate a major decline in grasslands (−6.85%; 20.83 × 106 ha) and large increases in urban areas (+43.73%; 6.87 × 106 ha), farmlands (+0.84%; 1.48 × 106 ha), and forests (+0.67%; 1.52 × 106 ha). The total soil organic carbon pool has been reduced by approximately 11.5 Tg of carbon (TgC) year−1, whereas 13.2 TgC year−1 has accumulated in the biomass carbon pool because of land-use category change. Large carbon losses (approximately 101.8 TgC year−1) have resulted from land management failures, including forest fires and insect pests. Overall land-use change and land management have contributed about 1.45 Pg of carbon to the total carbon released from 1990 to 2010. Our results highlight the importance of improving land-use management, especially in view of the recently proposed expansion of urban areas in China.

Type: Article
Title: Carbon emissions from land-use change and management in China between 1990 and 2010
Open access status: An open access version is available from UCL Discovery
DOI: 10.1126/sciadv.1601063
Publisher version: http://dx.doi.org/10.1126/sciadv.1601063
Language: English
Additional information: © 2016, The Authors. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial license, which permits use, distribution, and reproduction in any medium, so long as the resultant use is not for commercial advantage and provided the original work is properly cited.
Keywords: Science & Technology, Multidisciplinary Sciences, Science & Technology - Other Topics, Topsoil Organic-Carbon, Terrestrial Ecosystems, Storage, Sequestration, Sink, Vegetation, Patterns, Exchange, Forests, Balance
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL SLASH
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of S&HS > Dept of Geography
URI: https://discovery.ucl.ac.uk/id/eprint/1572428
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