兰州-西宁城市群国土空间演化特征及分区优化

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中文摘要：明确国土空间分异规律及演化特征,是提升国土空间治理能力、构建国土均衡发展格局的基础和前提.基于生产-生活-生态空间理论,采用1995-2020年的土地利用数据,运用国土空间转移矩阵、标准差椭圆、核密度分析、比较优势指数等方法对兰(州)西(宁)城市群国土空间格局及演化特征进行分析.结果表明:(1)兰西城市群国土空间水平地域差异及垂直梯度分异特征明显,生态空间占主导地位,人类生产、生活空间具有中海拔集聚性.(2)兰西城市群国土空间转换加快,生产空间与生活空间转换比重大,兰州和西宁两市中心城区、兰州新区和临夏市是国土空间转换热点区.(3)生产空间和生活空间呈西北-东南向分布格局,生态用地东-西向均衡分布.三类空间的分布形态及扩展模式差异较大,生活空间重心偏移距离最大,生产空间多核扩散,生态空间极核多、破碎化趋势增强.基于乡镇尺度,识别出6种国土空间优化分区,并提出分区引导策略,以期推动兰西城市群国土空间均衡协调发展.

外文标题：Spatial evolution characteristics and zoning optimization of Lanzhou-Xining urban agglomeration in the upper reaches of the Yellow River

外文摘要：To clarify the laws and evolution characteristics of territorial spatial differentiation is the basis and premise for improving governance capacity and building a balanced development pattern of territorial spatial pat-tern.Based on the theory of production-living-ecological spaces,the land use data from 1995 to 2020 are used to analyze the characteristics of the territorial spatial evolution characteristics of Lanzhou-Xining urban agglomera-tion by using the methods of land spatial transfer matrix,standard deviation ellipse,nuclear density analysis,comparative advantage index.The results show that:(1)The horizontal regional difference and vertical gradient differentiation of territorial space are obvious in the Lanzhou-Xining urban agglomeration.The ecological space occupied the absolute dominant position,and the production and living spaces are together in the medium alti-tude of Lanzhou-Xining urban agglomeration;(2)The territorial spatial conversion speed of Lanzhou-Xining ur-ban agglomeration is accelerated,and the largest conversion proportion comes from the production space to liv-ing space,which indicates that the interaction between the two types of spaces is obvious.The downtown areas of Lanzhou and Xining,Lanzhou New Area and Linxia city are the conversion hotspot;(3)The production space and living space are distributed from northwest to southeast,and the ecological space is evenly distributed from east to west.The distribution patterns and expansion mode of production-living-ecological spaces are quite different.The shift distance of the gravity center of the living space is the largest,the production space is multi-core diffusion,and the fragmentation trend of the ecological space is enhanced.From the scale of towns,six types of optimal zoning of territorial space are identified,and zoning guidance strategies are proposed to promote the balanced and coordinated development of territorial space in Lanzhou-Xining urban agglomeration.

外文关键词：

territorial spatial patternproduction-living-ecological spaceszoning optimizationLanzhou-Xini-ng urban agglomerationupper reaches of the Yellow River

作者：

罗君、张学斌、石培基

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作者单位：

甘肃农业大学资源与环境学院,甘肃兰州 730070

西北师范大学地理与环境科学学院甘肃省绿洲资源环境与可持续发展重点实验室,甘肃兰州 730070

关键词：

国土空间格局 "三生"空间分区优化兰西城市群黄河上游

基金：

国家自然科学基金项目国家自然科学基金项目甘肃省科技计划项目甘肃省绿洲资源环境与可持续发展重点实验室开放课题资助项目

项目编号：

421012764177113022JR5RA851GORS202104

出版年：

2024

DOI：

10.7522/j.issn.1000-694X.2023.00115

中国沙漠

中国科学院寒区旱区环境与工程研究所

中国沙漠

CSTPCD北大核心

影响因子：1.504

ISSN：1000-694X

年,卷(期)：2024.44(3)