遥感和GIS技术的发展为研究区域生态环境变化提供了有效手段，以无锡市2004-2013年的ETM＋等遥感影像和GDEM高程数据为数据源，运用遥感和GIS方法提取生态因子信息并进行陆地生态状况遥感评价。结果表明，无锡市近十年陆地生态环境整体趋好。%The development of remote sensing technique and geographic information system provide effective means to study the change of regional ecological environment.Taking ETM +images from 2004 to 2013 and GDEM elevation data of Wuxi city as data sources,using remote sensing and GIS as the tool to extract ecological factors information to assessment the land ecological environment.The results show that the land ecological envi-ronment is getting better and better in Wuxi City.
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