退耕还林工程对米脂县农业生态经济演替过程的影响  

Effects of Returning Farmland to Forest Project on Agricultural Eco-economic Succession in Mizhi County

作　　者：李奇睿[1] 王继军[2] 

机构地区：[1]西北农林科技大学林学院,陕西杨凌712100 [2]中国科学院水利部水土保持研究所,陕西杨凌712100

出　　处：《水土保持通报》2010年第3期206-210,共5页Bulletin of Soil and Water Conservation

基　　金："十一五"国家科技支撑计划项目"黄土高原水土流失综合防治技术研究"(2006BAD09B10);中国科学院重大项目"陕西长武耕地保育与持续高效现代农业试点工程"(KSCX-YW-09-07);国家自然科学基金项目"黄土丘陵区退耕区域农业生态经济系统耦合过程及其模式研究"(40771082)

摘　　要："退耕还林工程"对区域农业生态经济系统演替过程产生了重要影响。通过对高人口密度区的米脂县退耕还林工程实施效果的分析,发现米脂县实施退耕还林工程10a来,植被恢复明显,森林覆盖率较退耕前提高了13.85%;水土流失得到了有效治理,水土流失治理程度较退耕前提高了12.73%;农民收入增加,思想观念、生产生活方式变化显著,区域产业结构优化,取得了明显的生态效益、经济效益和社会效益。这一实施效果也证明黄土丘陵区可以实现生态与经济的协调发展。The returning farmland to forest project has brought important effects on the succession of regional agricultural eco-economic system.By analyzing the implementation effects of the project in Mizhi County of high population density over the past 10 years,it is found that vegetation is restored and forest coverage is increased by 13.85%.Soil and water loss is controlled effectively and the degree of soil and water loss control is enhanced by 12.73%.Farmers’ income has been raised,their lifestyle and ideas have been changed notably,and regional industrial structure has been optimized.It also proves that ecology can be coordinated with economy in the development of the loess hilly area.

关 键 词：退耕还林工程 农业生态经济系统 演替 米脂县 

分 类 号：Q14[生物学—生态学] S181[生物学—普通生物学]