上海市生态网络体系评价方法研究*
Research on Evaluation and Construction of Ecological Network System in Shanghai
阎 凯
同济大学建筑与城市规划学院 博士研究生
沈清基（通讯作者）
同济大学建筑与城市规划学院 高密度区域智能城镇化协同创新中心 教授，博士生导师
王宝强
华中科技大学建筑与城市规划学院 讲师，博士
摘要: 利用GIS技术，以2009年和2013年上海市TM影像、矢量化道路和绿道网络，以及现状土地利用作为数据源，通过4个非空间组分指数和4个空间配置指数进行景观格局分析，利用反映景观连接度和景观连通性的γ、α、β及成本比指数进行生态网络评价，以及最小成本路径方法进行生态网络构建。结论认为，研究时间段内，上海市景观斑块的破碎化程度和景观多样性、景观均匀性有所降低，景观连接度略为提升，其中中心城区相较于市域在上述指标的变化上更为明显。最后从斑块和廊道建设两个方面、市域和中心城区两个维度提出关于优化上海市绿地系统景观格局的建议。
Abstract: Taking the TM image, vector road and green gallery, and the land use of Shanghai as the data source, this paper attempts to analyze the landscape pattern by Spatial Configure Index(SCI) and Non Spatial Component Index(NSCI), to evaluate the ecological network viaγ,α,βand cost ration that reflect landscape connectivity properly, and to establish ecological network through the least-cost path method with GIS technology. From what has been discussed above, we draw a conclusion that the fragmentation of landscape patch and the landscape diversity and uniformity have been reduced, while the landscape connectivity has been promoted. Compared to city region, urban center shows an obvious variation in the above indices. Finally from the perspective of both urban center and city region, we offer proposals about how to optimize the green system and landscape pattern by patches and corridors construction.
关键词：生态网络、评价与构建、上海市
Keyword: Ecological network，Evaluation and construction， Shanghai
中图分类号：TU981
文献标识码: A
资金资助
同济大学高密度区域智能城镇化协同创新中心、上海同济城市规划设计研究院课题 ：基于SSM-ES-GIS的城市生态安全空间格局分析及构建研究部分成果 KY-2013-C02
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