Impact of Climate Warming in the Past 20 Years on Agriculture in Different Regions of China

氣候變化研究進展 ?? 2008, Vol. 4 ?? Issue (000): 51-55.

? Impacts and Adaptation ? 上一篇下一篇

Impact of Climate Warming in the Past 20 Years on Agriculture in Different Regions of China

Liu Yingjie,Lin Erda

收稿日期:2008-08-01 修回日期:1900-01-01 出版日期:2008-06-30 發(fā)布日期:2008-06-30

Impact of Climate Warming in the Past 20 Years on Agriculture in Different Regions of China

Yingjie Liu,Erda Lin

Received:2008-08-01 Revised:1900-01-01 Online:2008-06-30 Published:2008-06-30

摘要/Abstract

摘要： Based on the China Rural Statistical Yearbook of 1984-2003 published by State Statistics Bureau, and the annual temperature in the same period, impacts of temperature change, agricultural input, and planting area on grain production were analyzed for different regions of China during the last 20 years. The results show that the main characteristic of climate warming has obviously promoted the increase of grain yield in Northeast China, but to some extent suppressed it in North China, Northwest China and Southwest China, and shown no obvious effect on it in East China and Central-South China. The increase in agricultural input facilitated the grain production obviously in various regions in the early stage of the past 20 years, but showed no obvious effect in the late stage. The continuous reduction in sown area had a significant negative effect on the grain production in East China and Central-South China.

關(guān)鍵詞: climate change, agricultural input, grain production

Abstract: Based on the China Rural Statistical Yearbook of 1984-2003 published by State Statistics Bureau, and the annual temperature in the same period, impacts of temperature change, agricultural input, and planting area on grain production were analyzed for different regions of China during the last 20 years. The results show that the main characteristic of climate warming has obviously promoted the increase of grain yield in Northeast China, but to some extent suppressed it in North China, Northwest China and Southwest China, and shown no obvious effect on it in East China and Central-South China. The increase in agricultural input facilitated the grain production obviously in various regions in the early stage of the past 20 years, but showed no obvious effect in the late stage. The continuous reduction in sown area had a significant negative effect on the grain production in East China and Central-South China.

Key words: climate change, agricultural input, grain production

Liu Yingjie;Lin Erda. Impact of Climate Warming in the Past 20 Years on Agriculture in Different Regions of China[J]. 氣候變化研究進展, 2008, 4(000): 51-55.

Yingjie Liu;Erda Lin. Impact of Climate Warming in the Past 20 Years on Agriculture in Different Regions of China[J]. Climate Change Research, 2008, 4(000): 51-55.

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Impact of Climate Warming in the Past 20 Years on Agriculture in Different Regions of China

Impact of Climate Warming in the Past 20 Years on Agriculture in Different Regions of China

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