基于GIS的青岛市绿地景观生态格局与网络构建GIS-Based Ecological Pattern and Network Construction of Green Space Landscape in Qingdao
鲁敏,孙速速,张晴晴,张俊峰,郭晓伟,高鑫
摘要(Abstract):
定量化研究绿地景观生态格局和网络构建能够为城市绿地系统和国土空间的科学规划提供理论依据与方法支撑。研究基于无线电高空测候(RS)和地理信息系统(GIS)技术,运用总体景观生态格局分析和梯度分析方法,选取12个景观指数,对沿海城市——青岛市的绿地景观生态格局从斑块类型水平和景观水平两方面进行了定量研究。结果表明:斑块类型水平上,区域绿地以大型斑块为主且占优势地位,防护绿地以大中型斑块为主,二者虽空间分布不均匀,但生态效益较好;附属绿地以中小型斑块为主,缺乏大面积绿地建设,景观破碎度高但符合公众游憩需求;公园绿地以小型斑块为主且数量较少,在城区集中分布。景观水平上,城市绿地景观类型较齐全,但整体破碎度高,中部地区景观破碎度高,南部与中北部地区绿地类型多样,景观破碎度高且景观形状较复杂。在此基础上,进而分析了青岛城市绿地景观生态格局存在的问题,提出了“一轴、三核、廊汇成网、节点密布”的城市绿地生态网络优化与构建方案,以提高各类城市绿地连接度水平,发挥绿地生态系统的整体效益。
关键词(KeyWords): 地理信息系统(GIS);城市绿地;景观生态格局;梯度分析;生态网络构建
基金项目(Foundation): 住房和城乡建设部科技计划项目(2011-K6-30,06-K9-12);; 山东省科技发展计划项目(2011RKGB5012);; 济南市科学技术发展计划项目(201409036)资助~~
作者(Author): 鲁敏,孙速速,张晴晴,张俊峰,郭晓伟,高鑫
DOI: 10.16441/j.cnki.hdxb.20230179
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