农牧交错区生态系统服务价值评价  

Ecosystem Service Value Evaluation of Farming-pastoral Transitional Zone

作　　者：陈晓[1] 

机构地区：[1]宁夏大学资源环境学院,宁夏银川750021

出　　处：《中国环境管理干部学院学报》2018年第1期46-49,共4页Journal of Environmental Management College of China

摘　　要：以宁夏盐池县为研究对象,以2000年、2005年、2010年、2015年4期TM影像为数据源,综合运用生态系统服务价值指数、敏感性指数和空间分析法,对研究区近15年生态系统服务价值进行研究。结果表明:2000-2015年,盐池县林地、水域和建设用地持续增加,耕地、沙地和未利用地减少;生态系统服务价值主要以较高值区为主,且增加1.35亿元。Taking Yanchi County, Ningxia as the research object, using four-years＇ TM images as the data source, including the year 2000, 2005, 2010, and 2015, and adopted the methods of ecosystem services value, the sensibility coefficient index and spatial analysis, analyzed the value of ecological system service during the nearly 15 years. The results showed that the land use of woodland, water area and urbanized in Yanchi County continued to increase, while the cultivated land, sandy land and unused land decreased from 2000 to 2015. The ecosystem service value was mainly in the higher value area with an increase of 135 million yuan from 2000 to 2015.

关 键 词：生态系统服务价值 敏感性指数 盐池县 

分 类 号：X321[环境科学与工程—环境工程]