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| Impacts of Climate Change on Rice Yield in China From 1961 to 2010 Based on Provincial Data |
| 1、Chinese Academy of Meteorological Sciences, Beijing 100081, P.R.China
2、Sichuan Provincial Climate Center, Chengdu 610072, P.R.China |
1、Chinese Academy of Meteorological Sciences, Beijing 100081, P.R.China
2、Sichuan Provincial Climate Center, Chengdu 610072, P.R.China |
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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.
Abstract 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.
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Received: 12 October 2013
Accepted:
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| Fund: This work was supported by the National Basic Research Program of China (2010CB951303), the Special Fund for Agro-Scientific Research in the Public Interest (200903003) and the Basic Operation Cost of China Meteorological Administration (CMA). |
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Corresponding Authors:
ZHOU Guang-sheng, Tel: +86-10-68409148, E-mail: gszhou@cams.
cma.gov.cn
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| About author: CHEN Chao, Mobile: 13666152298, E-mail: chenchao16306@sina.com |
Cite this article:
CHEN Chao, ZHOU Guang-sheng , ZHOU Li.
2014.
Impacts of Climate Change on Rice Yield in China From 1961 to 2010 Based on Provincial Data. Journal of Integrative Agriculture, 13(7): 1555-1564.
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