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海岛型城市森林景观格局效应及其生态系统服务评估

DOI: 10.6046/gtzyyg.2014.02.21, PP. 128-133

Keywords: 城市森林,景观格局,动态,生态系统服务,厦门

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Abstract:

以海岛型城市厦门市为研究区,利用1987—2007年5个时期的TM/ETM+遥感数据,综合运用景观要素遥感解译、景观指数法、生态服务价值量法及灰色关联分析方法,定量评价了景观格局效应对厦门城市森林生态系统服务的影响。研究结果表明:1厦门岛城市森林面积自1987年以来一直趋于减少,在2002年达到最低值;其生态服务价值同样在2002年达到最低水平,为12.81亿元/a;2007年有所上升,为13.63亿元/a,其中,占城市森林总生态服务价值比重最大的是涵养水源功能,其次为固碳释氧功能;2厦门岛城市森林生态服务价值与斑块密度、斑块数和香农多样性指数具有较高的关联度;与建成区面积的关联度较低,表明厦门岛建设用地以侵占城市森林以外的其他景观为主,岛内城市森林得到了较好的保护。

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