水土保持通报2012,Vol.32Issue(3):211-216,6.
黄土高原上黄小流域土地利用动态变化及驱动力分析
An Analysis of Land Use Change and Its Driving Forces in Shanghuang Small Watershed on the Loess Plateau
摘要
Abstract
The purpose of this study is to provide database and theoretical basis for the comprehensive control of soil and water loss on the Loess Plateau of China by studying land use change and its driving forces in Shanghuang small watershed based on land use change map.Methods employed include RS/GIS and statistical analysis.Results showed that land use changes in the small watershed can be divided into three phases according to the change in the landscape matrix whereby the dominant land use was grassland(1982—1990),cropland(1990—2002) and forestland(2002—2008).The land use in Shanghuang small watershed greatly changed in recent 30 years,mainly including substantial increase in forest and grassland area,decrease in sloping arable land and expansion of orchard area year by year.It is concluded that land use change is an important factor to impact soil and water loss,and soil and water loss can be reduced by adopting rational land use structure.关键词
黄土高原/上黄小流域/土地利用/驱动力Key words
Loess Plateau/Shanghuang small watershed/land use/driving force分类
管理科学引用本文复制引用
刘德林,郝仕龙,李壁成..黄土高原上黄小流域土地利用动态变化及驱动力分析[J].水土保持通报,2012,32(3):211-216,6.基金项目
“十一五”国家科技支撑计划重大项目“半干旱黄土丘陵区土地利用格局与优化模式研究” ()