基于“三生空间”的滇中城市群土地利用空间结构多尺度分析
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摘要
"三生空间"功能优化是进行国土空间优化的重要基础,对生态文明建设具有重要意义。以云南省第二次土地调查数据为基础,构建滇中城市群"三生空间"功能分类体系。基于不同的行政尺度,采用不同的计量模型和GIS空间分析方法,对滇中城市的4个州市和42个县区的"三生空间"功能格局分布特征进行了多尺度分析。结果表明:(1)在市域尺度上,滇中城市的"三生空间"功能结构呈现出多样化和信息熵空间分布中、东部高西部低的现状;集中化程度空间分布整体较低且各地相差不大;优势度整体较高;各州市区位特征不显著。(2)在县域尺度上,滇中城市的"三生空间"功能结构呈现出多样化和信息熵空间分布东部高,西部低的现状;集中化程度除昆明市主城区外其他各地分布趋近;优势度呈中间低两边高的分布现状。(3)通过县域与市域尺度的分析对比,揭示了各尺度间"三生空间"功能分布格局的相互关系,实现各尺度间的良性约束和优化配置,为城市群的国土空间功能优化提供了必要的依据。
The optimization of the ecological-production-living space function is an important basis for the optimization of land space and is of great significance to the construction of ecological civilization. Based on the second land survey data of Yunnan Province, the functional classification system of ecological-production-living spaces of the urban agglomeration area of central Yunnan was constructed. Based on different administrative scales, different econometric models and GIS spatial analysis methods were used to analyze the distribution characteristics of the ecological-production-living space functional patterns in four cities and 42 counties in central Yunnan. The results show that:(1) on the municipal scale, the functional structure of the ecological-production-living space in the urban area of the urban agglomeration of central Yunnan presents the current situation of diversification and spatial distribution of information entropy in the east and high in the west; the spatial distribution of centralization is generally low and the differences are not significant; the overall degree of dominance is higher, the location characteristics of each city are not significant;(2) on the county scale, the functional structure of the ecological-production-living space in the urban area of the urban agglomeration area of central Yunnan presents high diversification and information entropy of spatial distribution in the east and the low one in the west; the degree of centralization tends to be similar in all areas except the main urban area of Kunming and the distribution of dominance degree is low in the middle area, and high in the fringe areas;(3) through the analysis and comparison of county and city scales, the relationship between the functional distribution patterns of the ecological-production-living between different scales is revealed, and the benign constraints and optimal allocation between the scales are realized, which provides the necessary basis for the optimization of territorial spatial functions of urban agglomerations.
The optimization of the ecological-production-living space function is an important basis for the optimization of land space and is of great significance to the construction of ecological civilization. Based on the second land survey data of Yunnan Province, the functional classification system of ecological-production-living spaces of the urban agglomeration area of central Yunnan was constructed. Based on different administrative scales, different econometric models and GIS spatial analysis methods were used to analyze the distribution characteristics of the ecological-production-living space functional patterns in four cities and 42 counties in central Yunnan. The results show that:(1) on the municipal scale, the functional structure of the ecological-production-living space in the urban area of the urban agglomeration of central Yunnan presents the current situation of diversification and spatial distribution of information entropy in the east and high in the west; the spatial distribution of centralization is generally low and the differences are not significant; the overall degree of dominance is higher, the location characteristics of each city are not significant;(2) on the county scale, the functional structure of the ecological-production-living space in the urban area of the urban agglomeration area of central Yunnan presents high diversification and information entropy of spatial distribution in the east and the low one in the west; the degree of centralization tends to be similar in all areas except the main urban area of Kunming and the distribution of dominance degree is low in the middle area, and high in the fringe areas;(3) through the analysis and comparison of county and city scales, the relationship between the functional distribution patterns of the ecological-production-living between different scales is revealed, and the benign constraints and optimal allocation between the scales are realized, which provides the necessary basis for the optimization of territorial spatial functions of urban agglomerations.
引文
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[2] 柳冬青,马学成,巩杰,等.流域“三生空间”功能识别及时空格局分析:以甘肃白龙江流域为例[J].生态学杂志,2018,37(5):1490-1497.
[3] 刘继来,刘彦随,李裕瑞.中国“三生空间”分类评价与时空格局分析[J].地理学报,2017,72(7):1290-1304.
[4] 党丽娟,徐勇,高雅.土地利用功能分类及空间结构评价方法:以燕沟流域为例[J].水土保持研究,2014,21(5):193-197,203.
[5] 张红旗,许尔琪,朱会义.中国“三生用地”分类及其空间格局[J].资源科学,2015,37(7):1332-1338.
[6] 李广东,方创琳.城市生态—生产—生活空间功能定量识别与分析[J].地理学报,2016,71(1):49-65.
[7] 朱媛媛,余斌,曾菊新,等.国家限制开发区“生产—生活—生态”空间的优化:以湖北省五峰县为例[J].经济地理,2015,35(4):26-32.
[8] 于辰,王占岐,杨俊,等.土地整治与农村“三生”空间重构的耦合关系[J].江苏农业科学,2015,43(7):447-451.
[9] 时振钦,邓伟,张少尧.近25年横断山区国土空间格局与时空变化研究[J].地理研究,2018,37(3):607-621.
[10] 程婷,赵荣,梁勇.国土“三生空间”分类及其功能评价[J].遥感信息,2018,33(2):114-121.
[11] 白如山,姜玉培,江进德.江淮城市群“三生”空间结构的多尺度分析[J].中国名城,2016(10):21-28.
[12] 王红梅,王小雨,李宏.基于计量地理模型的黑龙江省土地利用状况分析[J].农业工程学报,2006,22(7):70-74.
[13] 林炳耀.计量地理学概论[M].北京:高等教育出版社,1986.
[14] 余超,李明阳,汪辉,等.基于信息熵的新济洲土地利用结构时空变化及驱动因素分析[J].林业资源管理,2015(1):118-123.
[15] 安明珠,高敏华.基于信息熵与空间洛伦茨曲线的土地利用结构变化:以阿克苏地区为例[J].水土保持研究,2015,22(6):307-311.
[16] 吴堑虹,刘琼,段雪刚.土地利用结构指标新探及计算程序研究[J].地理与地理信息科学,2015,31(1):110-114.
[17] 宋戈,孙丽娜,雷国平.基于计量地理模型的松嫩高平原土地利用特征及其空间布局[J].农业工程学报,2012,28(3):243-250.
[18] 宋晓丽,樊俊华.土地利用数量结构分析:以海口市农用地与建设用地为例[J].河北农业科学,2010,14(7):102-103.
[19] 刘桃菊,蔡海生,邵建英,等.鄱阳湖区的土地利用结构定量分析[J].江西农业大学学报,2003,25(6):934-938.