Full accounting of the greenhouse gas budget in the forestry of China

Weiwei Liu, Xiaoke Wang, Bojie Liu, Yunjian Luo, Fei Lu () and Zhiyun Ouyang
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Weiwei Liu: Chinese Academy of Sciences
Xiaoke Wang: Chinese Academy of Sciences
Bojie Liu: Chinese Academy of Sciences
Yunjian Luo: Yangzhou University
Fei Lu: Chinese Academy of Sciences
Zhiyun Ouyang: Chinese Academy of Sciences

Mitigation and Adaptation Strategies for Global Change, 2018, vol. 23, issue 5, No 1, 643-666

Abstract: Abstract Forest management to increase carbon (C) sinks and reduce C emissions and forest resource utilization to store C and substitute for fossil fuel have been identified as attractive mitigation strategies. However, the greenhouse gas (GHG) budget of carbon pools and sinks in China are not fully understood, and the forestry net C sink must be determined. The objective of this study was to analyze potential forest management mitigation strategies by evaluating the GHG emissions from forest management and resource utilization and clarify the forestry net C sink, and its driving factors in China via constructing C accounting and net mitigation of forestry methodology. The results indicated that the GHG emissions under forest management and resource utilization were 17.7 Tg Ce/year and offset 8.5% of biomass and products C sink and GHG mitigation from substitution effects from 2000 to 2014, resulting in a net C sink of 189.8 Tg Ce/year. Forest resource utilization contributed the most to the national forestry GHG emissions, whereas the main driving factor underlying regional GHG emissions varied. Afforestation dominated the GHG emissions in the southwest and northwest, whereas resource utilization contributed the most to GHG emissions in the north, northeast, east, and south. Furthermore, decreased wood production, improved product use efficiency, and forests developed for bioenergy represented important mitigation strategies and should be targeted implementation in different regions. Our study provided a forestry C accounting in China and indicated that simulations of these activities could provide novel insights for mitigation strategies and have implications for forest management in other countries.

Keywords: Afforestation; Greenhouse gas emissions; Harvesting and resource utilization; Net carbon sink; Silviculture (search for similar items in EconPapers)
Date: 2018
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DOI: 10.1007/s11027-017-9753-0

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