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Carbon Footprint of the Agricultural Sector in Qinghai Province, China
Wang, Xiuhong1; Zhang, Yili1,2,3
2019-05-02
Source PublicationAPPLIED SCIENCES-BASEL
Volume9Issue:10Pages:13
Corresponding AuthorZhang, Yili(zhangyl@igsnrr.ac.cn)
AbstractThe agricultural sector has become an important emitter of greenhouse gases in China. The CO2 emissions in the western undeveloped region have attracted less attention than those in the eastern developed region in China. In this paper, the change in carbon footprint (CF) caused by agrochemical and agricultural energy inputs, the contributions of various inputs to the total carbon footprint (TCF), and the different changing trends between carbon intensity in output value (CV) and carbon intensity in area (CA) in Qinghai province were studied based on the data for agrochemical and energy inputs over 1995-2016. The change in TCF had a roughly stable period over 1995-1999, a slowly decreasing period over 2000-2007, and a rapidly increasing period over 2008-2016, which generally synchronize with the periods of before the Grain for Green Policy (GFGP), during the GFGP, and after the GFGP, respectively. The chemical nitrogen fertilizer and energy inputs were the principal factors influencing the TCF. The N fertilizer was the highest contributor to the TCF and contributed more to the relatively lower TCF during the GFGP in the study area. The relative CF caused by plastic film and diesel input in the study area increased faster than that in the whole country. The CV declined, with a mean of 0.022 kg carbon equivalent (CE)/Chinese Yuan (CNY), which was 55.59% of the mean CV in China over 1995-2016; inversely, the CA obviously rose after 2007, with a mean of 5.11 kg CE/ha, which was only 1.94% of the mean CA in China from 1995 to 2016. Compared with the whole country, Qinghai province generally had a higher rate of increase of carbon efficiency accompanied by a higher rate of increase of CA. The improvements of local agricultural activities should aim to keep a balance between higher carbon efficiency and lower CA in the study area.
Keywordcarbon emissions emission coefficient agricultural land agricultural inputs agricultural policies Qinghai province
DOI10.3390/app9102047
WOS KeywordFOR-GREEN POLICY ; RISK-ASSESSMENT ; SUSTAINABILITY ; EMISSIONS ; PROGRESS ; IMPACTS ; CAPTURE ; STORAGE ; INPUTS
Indexed BySCI
Language英语
Funding ProjectSecond Tibetan Plateau Scientific Expedition and Research[2019QZKK0600] ; Chinese Academy of Sciences[XDA20040200]
Funding OrganizationSecond Tibetan Plateau Scientific Expedition and Research ; Chinese Academy of Sciences
WOS Research AreaChemistry ; Materials Science ; Physics
WOS SubjectChemistry, Multidisciplinary ; Materials Science, Multidisciplinary ; Physics, Applied
WOS IDWOS:000473748100082
PublisherMDPI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/58358
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZhang, Yili
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China
2.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
3.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 101408, Peoples R China
Recommended Citation
GB/T 7714
Wang, Xiuhong,Zhang, Yili. Carbon Footprint of the Agricultural Sector in Qinghai Province, China[J]. APPLIED SCIENCES-BASEL,2019,9(10):13.
APA Wang, Xiuhong,&Zhang, Yili.(2019).Carbon Footprint of the Agricultural Sector in Qinghai Province, China.APPLIED SCIENCES-BASEL,9(10),13.
MLA Wang, Xiuhong,et al."Carbon Footprint of the Agricultural Sector in Qinghai Province, China".APPLIED SCIENCES-BASEL 9.10(2019):13.
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