福州市生态用地保护格局的优化途径
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摘要
[目的]从景观格局的角度提出思路与方法以实现福州市生态用地的合理保护及布局优化,为统筹解决城市扩张与生态环境矛盾提供科学依据。[方法]通过生态重要性评价提取核心生态用地,运用构建生态安全格局的方法划定生态用地保护分区,并将分区方案与现行的生态保护红线方案进行对比分析。[结果]福州市核心生态用地类型以林地和水域为主,呈现出沿海—内陆分异的空间分布特征;与生态红线相比,生态用地核心区的优势在于景观破碎化程度低、聚集度指数更高,且整体景观的连通性较好,有利于生态系统最大化发挥其功能及效应。[结论]基于构建生态安全格局的思路方法对于落实区域关键性生态用地的保护更加科学合理,可对现有的生态红线划定形成有效的补充与完善,是优化生态用地保护格局、实现生态用地保护目标的有效途径。
[Objective] This paper studid the optimization of protecting the ecological land in a rational way in order to provide a scientific solution to the conflict between urban expansion and natural environment. [Methods] Fuzhou City was selected as the study area, this paper extracted the core ecological land through ecological importance comprehensive evaluation, then ecological land conservation zone was identified by utilizing the methodology of ecological security patterns. The conservation zone scheme was collated with the ecological protection red line which is currently administrated by the department of environment. [Results] The land cover type of the core ecological land in Fuzhou City was predominantly consist of forest and water area, and its spatial distribution emerged as a coast-inland pattern. In comparision with the ecological protection red line, the ecological land conservation zone had the advantage in the degree of landscape fragmentation and aggregation, and also with a better overall landscape connectivity. [Conclusion] Ecosystem services and ecological process would be more abundant and effective under the scenario of ecological land conservation zone. The method and conclusion from this example could not only supplement the technological process of the ecological protection red line but also improve its practicality, which is an efficient way of optimizing the ecological land protection and achieving government's goal.
[Objective] This paper studid the optimization of protecting the ecological land in a rational way in order to provide a scientific solution to the conflict between urban expansion and natural environment. [Methods] Fuzhou City was selected as the study area, this paper extracted the core ecological land through ecological importance comprehensive evaluation, then ecological land conservation zone was identified by utilizing the methodology of ecological security patterns. The conservation zone scheme was collated with the ecological protection red line which is currently administrated by the department of environment. [Results] The land cover type of the core ecological land in Fuzhou City was predominantly consist of forest and water area, and its spatial distribution emerged as a coast-inland pattern. In comparision with the ecological protection red line, the ecological land conservation zone had the advantage in the degree of landscape fragmentation and aggregation, and also with a better overall landscape connectivity. [Conclusion] Ecosystem services and ecological process would be more abundant and effective under the scenario of ecological land conservation zone. The method and conclusion from this example could not only supplement the technological process of the ecological protection red line but also improve its practicality, which is an efficient way of optimizing the ecological land protection and achieving government's goal.
引文
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[12] 彭建,郭小楠,胡熠娜,等.基于地质灾害敏感性的山地生态安全格局构建:以云南省玉溪市为例[J].应用生态学报,2017,28(2):627-635.
[13] 闫玉玉,曹宇,谭永忠.基于景观安全格局的县域生态用地保护研究:以浙江省青田县为例[J].中国土地科学,2016,30(11):78-85.
[14] 刘德林,方炫,李壁成.黄土高原小流域尺度土地利用景观格局指数的粒度效应[J].水土保持通报,2013,33(4):206-210.
[15] Carranza M L,Saura S,Loy A.Connectivity providers for semi-aquatic vertebrates:The case of the endangered otter in Italy[J].Landscape Ecology,2012,27(2):281-290.
[16] 郭程轩,徐颂军,巫细波.佛山市景观格局变化及其动力梯度分析[J].水土保持通报,2011,31(1):238-243.
[2] 谭永忠,赵越,曹宇,等.中国区域生态用地分类的研究进展[J].中国土地科学,2016,30(9):28-36.
[3] Seppelt R,Voinov A.Optimization methodology for land use patterns using spatially explicit landscape models[J].Ecological Modelling,2002,151(2):125-142.
[4] 杨伟州,邱硕,付喜厅,等.河北省生态功能区划研究[J].水土保持研究,2016,23(4):269-276.
[5] 郑华,欧阳志云.生态红线的实践与思考[J].中国科学院院刊,2014,1(4):457-461.
[6] 黄秋昊,蔡运龙.国内几种土地利用变化模型述评[J].中国土地科学,2005,19(5):25-30.
[7] 贵立德.兰州市城镇化水平与其生态用地的供求关系[J].水土保持通报,2012,32(4):298-302.
[8] 张颖,王群,李边疆,等.应用碳氧平衡法测算生态用地需求量实证研究[J].中国土地科学,2007,21(6):23-28.
[9] 周朕,蒙吉军.基于改进生态足迹模型与生态重要性识别的最小生态用地优化:黑河中游案例研究[J].干旱区地理:汉文版,2016,39(3):513-520.
[10] Yu Kongjian.Security patterns and surface model in landscape ecological planning[J].Landscape & Urban Planning,1996,36(1):1-17.
[11] 李国煜,林丽群,伍世代,等.生态源地识别与生态安全格局构建研究:以福建省福清市为例[J].地域研究与开发,2018,37(3):120-125.
[12] 彭建,郭小楠,胡熠娜,等.基于地质灾害敏感性的山地生态安全格局构建:以云南省玉溪市为例[J].应用生态学报,2017,28(2):627-635.
[13] 闫玉玉,曹宇,谭永忠.基于景观安全格局的县域生态用地保护研究:以浙江省青田县为例[J].中国土地科学,2016,30(11):78-85.
[14] 刘德林,方炫,李壁成.黄土高原小流域尺度土地利用景观格局指数的粒度效应[J].水土保持通报,2013,33(4):206-210.
[15] Carranza M L,Saura S,Loy A.Connectivity providers for semi-aquatic vertebrates:The case of the endangered otter in Italy[J].Landscape Ecology,2012,27(2):281-290.
[16] 郭程轩,徐颂军,巫细波.佛山市景观格局变化及其动力梯度分析[J].水土保持通报,2011,31(1):238-243.
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