黄淮海平原耕地变化及对粮食生产格局变化的影响

洪舒蔓; 郝晋珉; 周宁; 陈丽; 吕振宇

doi:10.3969/j.issn.1002-6819.2014.21.032

黄淮海平原耕地变化及对粮食生产格局变化的影响

洪舒蔓^1,2,
郝晋珉^1,2,
周宁^1,2,
陈丽^1,2,
吕振宇^1,2

1.
中国农业大学资源与环境学院，北京 100193
2.
国土资源部农用地质量与监控重点实验室，北京 100193

基金项目: 国土资源部公益项目（201311002-01）

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- 收稿日期: 2014-05-26
- 修回日期: 2014-10-12
- 发布日期: 2014-10-31

Change of cultivated land and its impact on grain production pattern in Huang-Huai-Hai Plain

Hong Shuman^1,2,
Hao Jinmin^1,2,
Zhou Ning^1,2,
Chen Li^1,2,
Lü Zhenyu^1,2

1.
College of Resources Environmental Sciences, China Agricultural University, Beijing 100193, China
2.
Key Laboratory for Agricultural Land Qulity Monitoring and Control, The Ministry of Land and Resources, Beijing 100193, China

摘要

摘要: 研究区域耕地资源时空变化特征及其对粮食生产格局变化的影响是保障区域粮食安全的重要基础。该研究采用耕地变化强度模型、分异指数模型、粮食生产空间转移模型等方法，分析黄淮海平原2000－2008年间耕地资源数量、质量时空变化及其对粮食生产格局变化的影响。结果表明，2000－2008年黄淮海平原耕地数量净减少38.49万hm2，形成北京-保定-石家庄-邯郸-新乡-郑州和天津-沧州-济南-济宁-徐州-连云港2条耕地锐减廊道，造成粮播面积净损失46.45万hm2，而耕地质量降低则造成粮食产量净损失270.37万t。粮食播种面积和高等地的增加主导海河平原东、东南部和黄淮平原东、南部县域粮食生产能力增强，而粮食播种面积减少和低等地补充大量被占用的高、中等地则主导海河平原西、北部和黄淮平原东北、西北部县域粮食生产能力退化，为黄淮海平原粮食安全政策制定和土地利用规划提供重要依据。
- 土地利用 /
- 粮食生产 /
- 分类 /
- 耕地时空变化 /
- 黄淮海平原
Abstract: Abstract: With the rapid development of urbanization and industrialization, the conflicts of decreased cultivated land areas and increased grain needs are significant in China. Based on per capita, cultivated land area of China is less than the world average's 1/2 and the quality of land in China is generally poor, changes of the quantity and quality of cultivated land have a significant impact on the national food security. It's an important basis for region's food security by analyzing the changing characteristics of quantity and quality of cultivated land and its effect on change of grain production patterns in the region. Huang-Huai-Hai plain is the main grain production area of China, its grain production level has always been in the forefront in the nine comprehensive agricultural areas of China. The research about grain production of Huang-Huai-Hai plain in the last 30 years has shown that the increase of grain production mainly depends on the grain yield increase. Because the increase in grain yield of Huang-Huai-Hai plain has been more difficult in recent years, it is important to analyze the change of the characteristics of quantity and quality of cultivated land, and the effect of such change on grain production patterns. In this study based on Huang-Huai-Hai plain, we analyzed temporal and spatial variation of the quantity and quality of cultivated land and its effect on change of grain production pattern by using the change intensity of cultivated land model, the spatial variation index model, the spatial transferring of grain production model, the grain sown area model, and the grain production model. The results showed that the quantity of cultivated land in Huang-Huai-Hai plain changed with a net decrease of 384 900 hm2 from 2000-2008. There were two corridors of cultivated land with a sharp reduction, one was Beijing-Baoding-Shijiazhuang-Handan-Xinxiang-Zhengzhou, the other was Tianjin-Cangzhou-Jinan-Jining-Xuzhou-Lianyungang. Due to the decrease of cultivated land quantity in Huang-Huai-Hai plain from 2000-2008, the grain sown area changed with a net decrease of 464 500 hm2. Due to the decrease of cultivated land quality in Huang-Huai-Hai plain from 2000-2008, the grain production changed with a net decrease of 2 703 700 t. There were three types in spatial transferring of grain production. The region of transferring-out located in the west and north of Hai-He plain, and in the northeast and northwest of Huang-Huai plain. Its capability of grain production was decreased due to the decrease of grain sown area, the decrease of high-yield and medium yield cultivated land, and the increase of low yield cultivated land. The region of transferring-in located in the east and southeast of Hai-He plain, and in the east and south of Huang-Huai plain. Its capability of grain production was increased owe to the increase of grain sown area and the increase of high-yield cultivated land. The stable region located in the southwest of Hai-He plain and the north of Huang-Huai plain. Its capability of grain production was stable. In future, the irrigation facilities in Huang-Huai-Hai plain should be improved and the patterns of multiple cropping should be extended to promote the grain production of region. In all, the high-yield cultivated land should be constructed to promote the efficient of cultivated land use. In addition, the compensation mechanism of long-term interests for buildings in arable land is important for protecting arable land for food supply capacity of Huang-Huai-Hai plain.
- land use /
- food products /
- classification /
- spatial-temporal variation of cultivated land /
- Huang-Huai-Hai Plain

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参考文献(31)

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黄淮海平原耕地变化及对粮食生产格局变化的影响

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Change of cultivated land and its impact on grain production pattern in Huang-Huai-Hai Plain

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