[1]衣华鹏,刘贤赵,张鹏宴.生态退耕对粮食生产的影响探讨——以陕西黄土高原水土流失区为例[J].水土保持研究,2005,12(05):197-199,205.
　YI Hua-peng,LIU Xian-zhao,ZHANG Peng-yan.Ecological Restoration and Its Effects on Grain Production——Take the Corrasive Region of Loess Plateau in Shaanxi as a Case[J].Research of Soil and Water Conservation,2005,12(05):197-199,205.
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生态退耕对粮食生产的影响探讨——以陕西黄土高原水土流失区为例

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 12 期数: 2005年05期 页码: 197-199,205 栏目: 出版日期: 1900-01-01
Title:
Ecological Restoration and Its Effects on Grain Production——Take the Corrasive Region of Loess Plateau in Shaanxi as a Case
作者:
衣华鹏1, 刘贤赵1,2, 张鹏宴3
1. 烟台师范学院地理与资源管理学院, 山东, 烟台264025;
2. 中国科学院水土保持研究所, 陕西, 杨陵712100;
3. 烟台师范学院生命科学学院, 山东, 烟台264025
Author(s):
YI Hua-peng1, LIU Xian-zhao1,2, ZHANG Peng-yan3
1. College of Geography and Resource Management, Yantai Normal University, Yantai, Shandong 264025, China;
2. Institute of Soil and Water Conservation, CAS, Yangling, Shaanxi 712100, China;
3. The Institute of Life Science, Yantai Normal University,
关键词:
陕西; 黄土高原; 水土流失区; 生态退耕; 粮食生产
Keywords:
Shaanxi; Loess Plateau; corrasive region; ecological restoration; grain production
分类号:
X171.1
摘要:
通过对陕西黄土高原水土流失区生态退耕对粮食生产产生的可能影响分析表明：生态退耕将减少粮食产量近30×104t，按1999年该区农业总人口665×104计算，人均减少粮食45 kg。从生态退耕的正面影响看，退耕节省下来的生产要素的转移可以带来未退耕耕地粮食产量的增加；同时技术进步、中低产田改造等农业基础设施的建设和生态环境的改善，势必也对粮食生产产生促进和推动作用。粮食需求预测显示，2010年陕西黄土高原水土流失区粮食总量达693.92×104t，在人均400 kg、420 kg、450 kg水平下粮食需求分别为475.54×104t、499.32×104t和535.01×104t，粮食总需求均小于总供给。这意味着生态退耕不会对该区的粮食安全构成较大威胁，但也决不能对粮食安全放松警惕。
Abstract:
The effect of ecological restoration on grain production in the corrasive region of Loess Plateau in Shaanxi is analyzed.30×104 t grain yield will be decreased in the corrasive region because of the conversion from sloping plow land to forest or grassland and 45 kg grain per person will be minified according to the total agricultural population of 6.65 million in 1999.Simultaneously,the transfer of water,fertilizer,pesticide,seeds and labor force to reserved cultivated farmland can bring more increase in grain yield.Also,the advancement in agricultural science and technology and the agricultural infrastructure construction such as reconstructing of medium or low yield farmland can promote grain production by improving the ecological environment and reducing the risk of natural disasters.The prediction shows that the total grain yield in the corrasive region in 2010 will reach 693.92×104 t.The demand of grain based on the three levels(400 kg,420 kg or 450 kg/person) is respectively 475.54×104 t,499.32×104 t and 535.01×104 t,which are all less than the supply of grain.This suggests that the ecological restoration will not intimidate the grain security in the corrasive region of Loess Plateau in Shaanxi,but the guard of grain security can’t be relaxed.

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备注/Memo

收稿日期:2004-12-13
基金项目:国家自然科学基金项目（40101005）山东省自然科学基金项目（Q002E03）山东省教委项目（J02L01）烟台师范学院基金（043215）
作者简介:衣华鹏（1965- ）女，山东栖霞人，副教授，主要从事资源开发利用教学与科研.

更新日期/Last Update: 1900-01-01