圣彼得堡土地利用格局现状特征及形成机制
作者简介:李晓玲(1987-),女,黑龙江佳木斯人,博士研究生,主要从事城市地理研究。E-mail:lixl027@nenu.edu.cn
收稿日期: 2016-12-01
要求修回日期: 2017-02-25
网络出版日期: 2017-11-20
基金资助
国家自然科学基金项目(41471141)资助
Characteristics and Mechanism of Land Use Pattern of St.Petersburg
Received date: 2016-12-01
Request revised date: 2017-02-25
Online published: 2017-11-20
Supported by
National Natural Sciences Foundation of China (41471141).
Copyright
以圣彼得堡市为例,依据1948、1987和2016年土地利用数据计算居住、工业和商业用地的区位熵值并分析其变化,基于统计小区、圈层式及扇形分布3个视角,运用GIS分析计划与市场经济影响下的城市用地空间分布特征。研究结果表明,居住、工业和商业用地的空间分布规律不同:① 3类用地在城市整体空间分布中均表现出一定的分散特征,其中,居住用地空间分布表现最为分散,工业用地呈现出分区域性布局特征,相比而言商业用地空间聚集程度最高;② 商业用地在核心圈层处于主导地位,工业用地在老城区圈层为主导地位,居住用地在近郊区圈层为主导地位,远郊区圈层仍处于初步发展阶段,城市景观发展尚未成熟;③ 对比圈层式和象限式结构各类用地区位熵值分布结果,提出圣彼得堡市3类用地空间分布扇形结构特征明显,说明沿主要交通线路是现代城市用地空间扩展主要方式,其中工业用地在城市空间分布中占据更为有利的交通区位优势,居住用地次之,商业用地在城市中心区域中分布不足。圣彼得堡城市用地空间分布形成主要机制总结为以下5个方面:前苏联时期城市用地空间结构主要框架的保持;行政区划调整为城市用地结构改善提供了路径;市场经济下住房体制改革推进了城市居住郊区化;土地市场对土地功能置换进程作用较弱;产业转型缓慢导致老城区仍主要为生产中心。
李晓玲 , 修春亮 , ШендрикАлександрВладимирович , ЛачининскийСтаниславСергеевич , 贺红士 . 圣彼得堡土地利用格局现状特征及形成机制[J]. 地理科学, 2017 , 37(9) : 1382 -1391 . DOI: 10.13249/j.cnki.sgs.2017.09.011
Urban land use in Russia experienced the transition process from the planned economy of former Soviet Union to the market economy of post-Soviet Union. This article used St. Petersburg as an example and analyzed spatial pattern of urban land use of 1948, 1987 and 2016 and its chanages. We calculated the location quotients of residential, industrial and commercial land using GIS analysis and characterized the spatial structure of urban land use based on spheres of perspective of statistical area and land use data. The results showed that residential, industrial and commercial land distribution patterns are different. 1) Three land uses in the overall spatial distribution showed a certain degree of dispersion. Among them, residential land was the most dispersed, industrial land showed subregional distribution characteristics, in contrast, commercial land showed the highest level of aggregation; 2) Commercial land was dominant in the core circle, industrial land was dominant in the old town ring, and all three land use types showed highest intermix in this area spheres, and the outer suburbs circle was still in the initial stage of development, indicating that urban landscape development in this area was not yet mature; 3) Comparing location entropy of land use of quadrant and circle type, we found three land use types in St. Petersburg showing obvious characteristics of sector structure, indicating that the main form of urban space expansion was along major transport routes, where industrial land occupied a more favorable traffic sites in urban spatial distribution, followed by residential land, with inadequate distribution of commercial land in the city center area. Urban land use distribution in St. Petersburg was affected mainly by the planned economy and the present urban land development is still in the process of suburbanization. This study explored the impact of spatial development of metropolitan land use under different systems. It may provide a reference for other metropolitans experienced similar social transformation. Formations of land use pattern of St Petersburg may have the following five mechanisms: maintaining the mainframe of the former Soviet Union land use structure ; the administrative adjustments for improving the city land use structure; housing system reform under the market economy that promoted the city residential suburbanization; relatively weak land market function in land replacement process and the role of industrial transformation; old city still being the main production center, which slowed the land use transformation.
Key words: metropolis; urban land; spatial structure; St. Petersburg; Russia
Fig.1 Study area and subregions图1 研究区划分 |
Fig.2 Spatial distribution of high location entropies of three land use types by statistic districts in 1948-2016图2 1948~2016年统计小区3类用地中区位熵高值区的空间分布 |
Table 1 Various land uses and average nearest neighbor analysis表1 各类用地平均最近邻法分析结果 |
居住用地 | 工业用地 | 商业用地 | |
---|---|---|---|
(m) | 2460.6 | 2632.9 | 2169.8 |
(m) | 1475.9 | 1650.1 | 1816.7 |
NR | 1.667 | 1.595 | 1.194 |
Z-Score | 9.026 | 7.206 | 2.136 |
P-Value | 0.001 | 0.001 | 0.032 |
注:为计算得到的邻近之间的平均距离,为期望的随机分布的平均距离,为两者比值。 |
Table 2 The average location entropies of land use of various spheres and statistics for St. Petersburg in 2016表2 2016年圣彼得堡土地利用各圈层区位熵平均值 |
结构 | 代码 | 区位熵值 | ||
---|---|---|---|---|
居住 | 工业 | 商业 | ||
圈层式 | 核心区(x1) | 1.778 | 0.916 | 4.908 |
老城区(x2) | 1.654 | 2.649 | 2.490 | |
近郊区(x3) | 2.596 | 1.118 | 3.549 | |
远郊区(x4) | 0.742 | 0.163 | 2.451 | |
均值 | 1.789 | 1.364 | 2.871 | |
标准差 | 0.656 | 0.903 | 1.002 |
Fig.3 Spatial distribution of location entropies of different levels for the three land use types by the quadrant图3 象限式下3类用地不同级别区位熵值空间分布 |
Table 3 The centrality of transport network of areas with high location entropies among all three land use types表3 各类用地区位熵值较高地区交通网络中间性结果分布(个) |
级别 | 居住用地 | 工业用地 | 商业用地 |
---|---|---|---|
5 | 18 | 27 | 10 |
4 | 71 | 73 | 42 |
3 | 124 | 156 | 125 |
2 | 208 | 245 | 169 |
1 | 777 | 899 | 590 |
合计 | 1198 | 1400 | 936 |
Fig.4 Diagram of the concept model of land use in St. Petersburg City图4 圣彼得堡土地利用概念模型拼图 |
The authors have declared that no competing interests exist.
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