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Global warming, grain production and its efficiency: Case study of major grain production region

文献类型：期刊论文

作者Wang, Pei2,3,4; Deng, Xiangzheng1,2,3,4; Jiang, Sijian2,3,4
刊名ECOLOGICAL INDICATORS
出版日期2019-10-01
卷号105页码:563-570
关键词Global warming Land surface temperature Grain production Grain production efficiency Input distance function
ISSN号1470-160X
DOI10.1016/j.ecolind.2018.05.022
通讯作者Deng, Xiangzheng(dengxz@igsnrr.ac.cn)
英文摘要Historical records and multiple researches have indicated that there is a close connection between carbon dioxide and surface temperature. Climate change and its impacts on agriculture, especially grain production, is one of the major challenges for food security and sustainable development. From the perspective of natural flow, climate change directly affects plant growth via water circulation, such as droughts and floods. Although the covariation of surface temperature and CO2 concentration will to some extent benefit crop photosynthesis, grain production may fluctuate according to the grain market, which is also affected by its erratic provisioning. We then determine how climate change affects grain production and efficiency using an input distance function and technical inefficiency model. First, we discover a significant relationship between surface temperature and grain production, although this impact is marginal; the coefficient is 0.0037 in the estimated model. Second, we find that surface temperature influences grain production not only through its photosynthesis but also its production efficiency in major grain production areas. And grain production efficiency is in a decreasing trend from 2000 to 2010, the average efficiency in 2010 is 0.75 on the whole. Third, there is a large gap in grain production efficiency among counties in Inner Mongolia, Hebei, Heilongjiang and Henan provinces, according to a distribution map of that efficiency.
WOS关键词CLIMATE-CHANGE ; AGRICULTURE ; TEMPERATURE ; FARMERS ; DECLINE ; YIELDS
资助项目National Key Research and Development Program of China[2016YFA0602500] ; Project of the Science and Technology Service (STS) Network Initiative, Chinese Academy of Sciences[KFJ-EW-STS-058]
WOS研究方向Biodiversity & Conservation ; Environmental Sciences & Ecology
语种英语
WOS记录号WOS:000490574200051
出版者ELSEVIER
资助机构National Key Research and Development Program of China ; Project of the Science and Technology Service (STS) Network Initiative, Chinese Academy of Sciences
源URL[http://ir.igsnrr.ac.cn/handle/311030/129717]  
专题中国科学院地理科学与资源研究所
通讯作者Deng, Xiangzheng
作者单位1.Univ Waikato, Dept Econ, Private Bag 3105, Hamilton, Waikato, New Zealand
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Ctr Chinese Agr Policy, Beijing 100101, Peoples R China
推荐引用方式
GB/T 7714		 Wang, Pei,Deng, Xiangzheng,Jiang, Sijian. Global warming, grain production and its efficiency: Case study of major grain production region[J]. ECOLOGICAL INDICATORS,2019,105:563-570.
APA Wang, Pei,Deng, Xiangzheng,&Jiang, Sijian.(2019).Global warming, grain production and its efficiency: Case study of major grain production region.ECOLOGICAL INDICATORS,105,563-570.
MLA Wang, Pei,et al."Global warming, grain production and its efficiency: Case study of major grain production region".ECOLOGICAL INDICATORS 105(2019):563-570.

入库方式： OAI收割

来源：地理科学与资源研究所

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