退耕还林对黄土高原地区流域经济和生态效益的影响——以平凉市纸坊沟流域为例  

Effects of converting farmland to forest project on economics and ecological benefit of the loess plateau in river basin —Taking Zhifanggou Basin of Pingliang city as an example

作　　者：吴玉晴[1] 郭建斌[1] 王百田[1] 任烨 毛泽秦 

机构地区：[1]北京林业大学水土保持学院,北京100083 [2]平凉市水土保持研究所,甘肃平凉744000

出　　处：《广东农业科学》2012年第11期175-177,共3页Guangdong Agricultural Sciences

基　　金：国家科技支撑计划项目(2011BAD38B0602)

摘　　要：对甘肃省平凉市纸坊沟流域该流域实施退耕还林过程中的土地利用、产业结构变化、经济收益及生态效益进行了分析研究。研究借助单一土地利用类型动态度模型,评估研究区的土地利用状况,结合参与性农村评估方法,座谈访问农户的家庭基本情况,退耕还林草工程参与情况,农地地块退耕前后的利用和投入产出状况,家庭各业生产情况等。研究结果表明,实施退耕还林工程前(2000年)后(2010年)纸坊沟流域耕地面积相对减少,年动态度为-7.51%;林草地面积增加,年动态度分别为4.86%和14.87%;高效农业已成为农民的选择;产业发展具有地域性显著增强;退耕还林区的生态效益显著提高;农民经济收入大部分地区呈增长趋势。The paper used Zhifanggou watershed in Pingliang as the research object, the implementation of the river basin in the process of converting farmland to forest project to land use, changes in the industrial structure, economic benefits and ecological benefits were analyzed. With the help of dynamic degree of the single land use type, research evaluated the land utilized condition, combining the method of participatory rural appraisal, interviewed farmers＂ basic family situation, participation of the reforestation, the situation of agricultural land use and input-output in the process of converting farmland to forest project and so on. The results showsed that in the period from 2000 to 2010, Zhifanggou watershed in cultivated land area had decreased relatively, years dynamic for -7.51%, while the area of forest and grass has increased relatively, years dynamic was 4.86% and 14.87%. Efficient agriculture has become an important choice to farmers. Industrial development has appeared distinct regional. Restoring forest area＇s ecological benefit increased significantly. Farmers＂ income has emerged a growing trend in most area.

关 键 词：退耕还林 黄土高原 经济效益 生态效益 纸坊沟流域 

分 类 号：F326.2[经济管理—产业经济]