| 陕西省米脂县耕地动态变化与粮食安全研究 |
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| 引用本文： | 赵连武,谢永生,王继军,刘涛,何毅峰.陕西省米脂县耕地动态变化与粮食安全研究[J].水土保持通报,2009,29(4):143-148. |
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| 作者姓名： | 赵连武 谢永生 王继军 刘涛 何毅峰 |
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| 作者单位： | 赵连武,刘涛,何毅峰,ZHAO Lian-wu,IAU Tao,HE Yi-feng(西北农林科技大学,资源环境学院,陕西,杨凌,712100);谢永生,王继军,XIE Yong-sheng,WANG Ji-jun(西北农林科技大学,资源环境学院,陕西,杨凌,712100;中国科学院,水利部,水土保持研究所,陕西,杨凌,712100) |
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| 基金项目： | 国家科技支撑计划，国家科技支撑计划，中国科学院知识创新重大工程项目 |
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| 摘 要： | 根据米脂县1990-2007年粮食生产的相关数据,对该县耕地、人口和粮食生产动态变化以及粮食总产与其影响因素进行了灰色关联度分析.结果表明,退耕还林还草工程是耕地总面积迅速减少的主要原因;提高粮食单产保障粮食总产是实现粮食安全的最关键因子;持续增长的人口造成耕地的承载压力越来越大,并对该区实现粮食安全提出了更大的挑战.最后,根据分析结果提出了增加科技投入,提高单产,保护耕地,挖掘耕地潜力等措施以保障该区域的粮食安全,为政府部门制定相关粮食安全政策提供科学的理论依据.
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| 关 键 词： | 耕地 人口 粮食 灰色关联分析 米脂县 |
| 收稿时间： | 2008/10/20 0:00:00 |
| 修稿时间： | 3/8/2009 12:00:00 AM |
Cultivated Land Dynamic Change and Gain Security in Mizhi County of Shaanxi Province |
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| ZHAO Lian-wu,XIE Yong-sheng,WANG Ji-jun,LIU Tao and HE Yi-feng.Cultivated Land Dynamic Change and Gain Security in Mizhi County of Shaanxi Province[J].Bulletin of Soil and Water Conservation,2009,29(4):143-148. |
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| Authors: | ZHAO Lian-wu XIE Yong-sheng WANG Ji-jun LIU Tao and HE Yi-feng |
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| Institution: | College of Resources and Environment, Northwest A & F University, Yangling, Shaanxi 712100, China;College of Resources and Environment, Northwest A & F University, Yangling, Shaanxi 712100, China;Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, Shaanxi 712100, China;College of Resources and Environment, Northwest A & F University, Yangling, Shaanxi 712100, China;Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, Shaanxi 712100, China;College of Resources and Environment, Northwest A & F University, Yangling, Shaanxi 712100, China;College of Resources and Environment, Northwest A & F University, Yangling, Shaanxi 712100, China |
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| Abstract: | |
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| Keywords: | cultivated land population grain grey correlation analysis Mizhi County |
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