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Spatial Evolution of Landscape Pattern of Coastal Wetlands
Authors
于君宝
付玉芹
+6 more
周迪
栗云召
毛培利
王永丽
董洪芳
韩广轩
Publication date
15 June 2012
Publisher
Abstract
利用GIS技术、RS影像和Fragstats3.3等景观统计软件;从景观面积变化、景观斑块特征和景观整体水平格局等方面;对比研究了黄河三角洲2000年和2009年湿地不同时空尺度的景观格局变化。结果表明:10 a间黄河三角洲滨海湿地海岸线和陆地面积整体呈增长趋势;天然湿地面积急剧减少;平均分维数大部分降低;湿地景观破碎度降低;多样性和均匀性指数增加;蔓延度指数增加。湿地景观格局指数的变化反映了旱田及水田的大面积种植;盐田养殖业的大力发展以及石油开采等人为活动对景观格局的深刻影响;人类活动已经成为黄河三角洲滨海湿地景观格局变化的主要驱动因子
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Last time updated on 18/09/2018