摘要
从西部生态环境历史和现状出发 ,阐述了退耕还林还草的必要性和现实问题 ,并从西部生态环境建设的实际问题入手 ,提出了RS和GIS支持下的解决方案 ,为西部生态环境建设提供科学依据。
From the point of west ecological environment histori es and actualities, the paper discusses the necessities and feasibilities of retur ning land for farming to forestry and grass. As far as west ecologibilities esta blishment is concerned, the solution based on Remote Sensing and Geographical In formation Systen is put forward in order on provide west ecological environment establishment with scientific bases. [
关键词
西部
生态环境
草地
林地
RS
GIS
West,ecological environment,grass,forestry,Geograp hical Information System,Remote sensing.