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基于TM影像的德兴铜矿区生态环境变化

DOI: 10.6046/gtzyyg.2015.04.17, PP. 109-114

Keywords: 生态环境,遥感,景观格局,德兴铜矿区

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Abstract:

分别选取1992年、1996年、2000年、2004年、2009年和2013年6个时期遥感影像,从生态系统结构和生态系统景观格局角度研究德兴铜矿矿产资源开发区生态环境20a间变化。结果表明:德兴铜矿矿产资源开发活动导致森林和草地等自然景观面积持续减小,采矿场、尾矿库及排土场等人工景观面积持续增加;区域生态系统质量朝变差的方向发展,总体表现为生态系统斑块数增加,斑块密度增大,聚集度指数下降,生态系统破碎程度加重;近20a来矿产资源开采活动不断加强,生态系统破坏面积逐年增加,矿山生态恢复工程滞后。

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