2000—2014年子牙河流域湿地景观格局演变及驱动力分析The Evolution and Driving Force of the Landscape in the Wetland of Ziya River in 2000—2014
胡娟,马安青,马冰然
摘要(Abstract):
选取子牙河从东到西3个具有时空代表性的湿地,分析子牙河流域湿地景观格局的变化及变化的驱动机制。利用2000、2004、2009和2014年子牙河流域4个时期的遥感影像数据,运用ENVI、ArcGIS和FRAGSTATS等软件,构建转移矩阵,判断湿地的由来和去向,定量化景观格局指数。结果表明:东部,人工湿地被围填占用,大面积减小,自然湿地和非湿地面积增加,主要是由海域和人工湿地转入;水田、沼泽湿地的破碎化最为严重,主要是城镇村等的人类建设活动导致的景观破碎化。中部,耕地、城镇村及工矿用地与湿地类型的相互转变最显著,人工湿地增加,自然湿地减小;湖泊湿地的破碎化最严重,人类活动较弱,自然因素(降雨量)是该区域的主导因素。西部,自然湿地和人工湿地面积变化较小,湿地景观破碎化较小。东部人类开发强度最大,受到人类干扰最大,中部破碎化程度最强,西部破碎化最小。
关键词(KeyWords): 遥感影像;子牙河流域;湿地;景观格局
基金项目(Foundation): “海河南系子牙河流域下游湿地生态关键技术”项目(931407022);; “胶州湾黄色物质与叶绿素物质卫星数据反演方法的确定研究”项目(201610423355x);; 河口湿地高分遥感精细分类技术与系统集成调试研究合同项目(911396017)资助~~
作者(Author): 胡娟,马安青,马冰然
DOI: 10.16441/j.cnki.hdxb.20160104
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