基于生态安全格局的三峡库区腹地低丘缓坡土地开发利用
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摘要
对低丘缓坡土地资源的合理开发利用进行研究,以期为研究区缓解用地紧张、优化区域土地资源配置提供参考依据。以三峡库区腹地的5县为研究区,首先对低丘缓坡范围进行了界定,然后基于ArcGIS 10.1软件,对研究区生态敏感性和生态系统服务功能重要性进行了评价,基于评价结果,提取出生态源地,接着应用最小累计阻力模型构建研究区生态安全格局,把生态安全格局空间分布图与低丘缓坡土地资源空间分布图进行了叠加分析。结果表明:研究区低丘缓坡面积共计3 930.90 km~2,禁止开发型、限制开发型、适度开发型和优先开发型,其面积分别为1 182.02 km~2,1 775.19 km~2,835.71 km~2,137.98 km~2,研究区低丘缓坡土地资源大部分属于禁止开发型与限制开发型,适宜于开发利用的低丘缓坡土地资源面积较小;对4种开发利用类型特征进行了分析,提出适宜了相应的开发利用建议。基于生态安全格局的研究方法,有利于促进研究区低丘缓坡土地资源的合理开发利用,有利于生态环境的保护。
Research on the development and utilization of low-slope hilly land resources was carried out in order to provide reference for alleviating land shortage and optimizing regional land resource allocation in the study area. Taking the Three Gorges reservoir area as the research area, we firstly defined the scope of low-slope hilly land resources, and then evaluated the ecological sensitivity and the importance of ecosystem service function based on the ArcGIS 10.1 platform. Based on the evaluation results, the ecological source was extracted. Then the minimum accumulated resistance model was used to construct the ecological security pattern in the study area. The ecological security pattern was superposed with the spatial distribution map of gentle-slope hilly land resources. Area of gentle-slope hilly land resources was 3 930.90 km~2.There were four land development types:prohibited, limited,moderate and priority developments,their areas were 1 182.02 km~2,1 775.19 km~2,835.71 km~2 and 137.98 km~2, respectively. Most of the gentle-slope hills were prohibited and limited developments, and the area suitable for human development was small. The features of each development type were carried out, and corresponding development and utilization suggestions were put forward.The research method based on the ecological security pattern is conducive to promoting the rational development in the study area, which is conducive to the protection of the ecological environment.
Research on the development and utilization of low-slope hilly land resources was carried out in order to provide reference for alleviating land shortage and optimizing regional land resource allocation in the study area. Taking the Three Gorges reservoir area as the research area, we firstly defined the scope of low-slope hilly land resources, and then evaluated the ecological sensitivity and the importance of ecosystem service function based on the ArcGIS 10.1 platform. Based on the evaluation results, the ecological source was extracted. Then the minimum accumulated resistance model was used to construct the ecological security pattern in the study area. The ecological security pattern was superposed with the spatial distribution map of gentle-slope hilly land resources. Area of gentle-slope hilly land resources was 3 930.90 km~2.There were four land development types:prohibited, limited,moderate and priority developments,their areas were 1 182.02 km~2,1 775.19 km~2,835.71 km~2 and 137.98 km~2, respectively. Most of the gentle-slope hills were prohibited and limited developments, and the area suitable for human development was small. The features of each development type were carried out, and corresponding development and utilization suggestions were put forward.The research method based on the ecological security pattern is conducive to promoting the rational development in the study area, which is conducive to the protection of the ecological environment.
引文
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[20]俞孔坚,王思思,李迪华,等.北京市生态安全格局及城市增长预景[J].生态学报,2009,29(3):1189-1204.
[21]彭建,赵会娟,刘众序,等.区域生态安全格局构建研究进展与展望[J].地理研究,2017,36(3):407-419.
[22]谢花林.土地利用生态安全格局研究进展[J].生态学报,2008,28(12):6305-6311.
[23]王旭熙,彭立,苏春江,等.基于景观生态安全格局的低丘缓坡土地资源开发利用:以四川省泸县为例[J].生态学报,2016,36(12):3646-3654.
[2]李红波,张慧,赵俊三,等.基于元胞生态位适宜度模型的低丘缓坡土地开发建设适宜性评价[J].中国土地科学,2014,28(6):23-29,97.
[3]彭建,谢盼,刘焱序,等.低丘缓坡建设开发综合生态风险评价及发展权衡:以大理白族自治州为例[J].地理学报,2015,70(11):1747-1761.
[4]陈超,曹磊.中部五省低丘缓坡区耕地后备资源开发利用对策分析[J].中国农业资源与区划,2013,34(2):38-43.
[5]黄杉,陈前虎,梁影君,等.浙江省开化县城关工业区低丘缓坡开发的评价方法与利用策略[J].中国土地科学,2009,23(6):31-38.
[6]俞孔坚,王思思,李迪华,等.北京市生态安全格局及城市增长预景[J].生态学报,2009,29(3):1189-1204.
[7]蒙吉军,朱利凯,杨倩,等.鄂尔多斯市土地利用生态安全格局构建[J].生态学报,2012,32(21):6755-6766.
[8]李晶,蒙吉军,毛熙彦.基于最小累积阻力模型的农牧交错带土地利用生态安全格局构建:以鄂尔多斯市准格尔旗为例[J].北京大学学报:自然科学版,2013,49(4):707-715.
[9]陈军,洪新岩.金华市低丘缓坡地资源合理开发利用的探讨[J].浙江师范人学学报:自然科学版,1989,12(2):134-138.
[10]刘卫东,严伟.经济发达地区的低丘缓坡土地资源合理开发利用:以浙江省永康市为例[J].国土资源科技管理,2007,24(3):1-5.
[11]尹海伟,徐建刚,陈昌勇,等.基于GIS的吴江东部地区生态敏感性分析[J].地理科学,2006,26(1):64-69.
[12]潘峰,田长彦,邵峰,等.新疆克拉玛依市生态敏感性研究[J].地理学报,2011,66(11):1497-1507.
[13]李建军,苏志珠,王言荣.基于GIS的万荣县生态敏感性评价与区划[J].中国农业资源与区划,2014,35(5):48-54.
[14]贾良清,欧阳志云,赵同谦,等.安徽省生态功能区划研究[J].生态学报,2005,25(2):254-260.
[15]李月臣,刘春霞,闵婕,等.三峡库区生态系统服务功能重要性评价[J].生态学报,2013,33(1):168-178.
[16]凡非得,罗俊,王克林,等.桂西北喀斯特地区生态系统服务功能重要性评价与空间分析[J].生态学杂志,2011,30(4):804-809.
[17]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.
[18]周锐,工新军,苏海龙,等.平顶山新区生态用地的识别与安全格局构建[J].生态学报,2015,35(6):2003-2012.
[19]潘竟虎,刘晓.基于空间主成分和最小累积阻力模型的内陆河景观生态安全评价与格局优化:以张掖市甘州区为例[J].应用生态学报,2015,26(10):3126-3136.
[20]俞孔坚,王思思,李迪华,等.北京市生态安全格局及城市增长预景[J].生态学报,2009,29(3):1189-1204.
[21]彭建,赵会娟,刘众序,等.区域生态安全格局构建研究进展与展望[J].地理研究,2017,36(3):407-419.
[22]谢花林.土地利用生态安全格局研究进展[J].生态学报,2008,28(12):6305-6311.
[23]王旭熙,彭立,苏春江,等.基于景观生态安全格局的低丘缓坡土地资源开发利用:以四川省泸县为例[J].生态学报,2016,36(12):3646-3654.
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