Impacts of Climate Change on Rice Yield in China From 1961 to 2010 Based on Provincial Data

被引:22
作者
Chen Chao [1 ,2 ]
Zhou Guang-Sheng [1 ]
Zhou Li [1 ]
机构
[1] Chinese Acad Meteorol Sci, Beijing 100081, Peoples R China
[2] Sichuan Prov Climate Ctr, Chengdu 610072, Peoples R China
关键词
impact; climate change; warming; precipitation; rice yield; provincial level; China; FOOD SECURITY; CROP YIELDS; TEMPERATURE; DECLINE; TRENDS; SCALES; RANGE;
D O I
10.1016/S2095-3119(14)60816-9
中图分类号
S [农业科学];
学科分类号
082806 [农业信息与电气工程];
摘要
The impacts of climate change on rice yield in China from 1961 to 2010 were studied in this paper, based on the provincial data, in order to develop scientific countermeasures. The results indicated that increase of average temperature improved single cropping rice production on national level by up to 11% relative to the average over the study period, however, it resulted in an overall loss of double cropping rice by up to 1.9%. The decrease of diurnal temperature range (DTR) in the major producing regions caused the decrease by up to 3.0% for single cropping rice production and 2.0% for double cropping rice production. Moreover, the contribution of precipitation change reached about 6.2% for single cropping rice production, but no significant effect for double cropping rice production in recent 50 years.
引用
收藏
页码:1555 / 1564
页数:10
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