IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2016  > Vol13 NO.10
Estimating cropland carbon mitigation potentials in China affected by three improved cropland practices
LUN Fei; Josep G. CANADELL; HE Lu; YANG Bo; LIU Mou-cheng; YUAN Zheng; TIAN Mi; LIU Jun-guo; LI Wen-hua
Corresponding AuthorLIU Jun-guo
2016-10
Source PublicationJournal of Mountain Science
ISSN1672-6316
Volume13Issue:10Pages:1840-1854
Subtype期刊论文
AbstractAgriculture is a large source of carbon emissions. The cropland practices of fertilizer substitution, crop straw and conservation tillage are beneficial and help to rebuild local soil carbon stocks and reduce soil carbon emissions, in addition to reducing the consumption of fertilizers and fossil fuels. These improved cropland practices can directly and indirectly mitigate carbon emissions, benefiting the sustainability of croplands. For these three improved practices, we estimated carbon mitigation potentials in rice, wheat and maize croplands in China. The combined contribution of these practices to carbon mitigation was 38.8 Tg C yr-1, with fertilizer substitution, crop straw return, and conservation tillage contributing 26.6, 3.6 and 8.6 Tg C yr-1, respectively. Rice, wheat and maize croplands had potentials to mitigate 13.4, 11.9 and 15.5 Tg C yr-1, respectively, with the combined direct and indirect potential of 33.8 and 5.0 Tg C yr-1. Because of differences in local climate and specific diets, the regional cropland carbon mitigation potentials differed greatly among provinces in China. In China, 18 provinces had a "target surplus" for which the carbon mitigation from these three practices was larger than the mitigation target set for 2020. At the national level, a net "target surplus" of 4.84 Tg C yr-1 would be attained for Chinese croplands with full implementation of the three improved practices. Regional cooperation must be developed to achieve carbon mitigation targets using such measures as carbon trading, establishing regional associations, and strengthening research programs to improve practices.
KeywordCropland Carbon Mitigation Potential Cropland Practices Regional Cooperation China
DOI10.1007/s11629-015-3813-2
Indexed BySCI
Language英语
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Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/17591
CollectionJournal of Mountain Science_Journal of Mountain Science-2016_Vol13 NO.10
Recommended Citation
GB/T 7714
LUN Fei,Josep G. CANADELL,HE Lu,et al. Estimating cropland carbon mitigation potentials in China affected by three improved cropland practices[J]. Journal of Mountain Science,2016,13(10):1840-1854.
APA LUN Fei.,Josep G. CANADELL.,HE Lu.,YANG Bo.,LIU Mou-cheng.,...&LI Wen-hua.(2016).Estimating cropland carbon mitigation potentials in China affected by three improved cropland practices.Journal of Mountain Science,13(10),1840-1854.
MLA LUN Fei,et al."Estimating cropland carbon mitigation potentials in China affected by three improved cropland practices".Journal of Mountain Science 13.10(2016):1840-1854.
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