基于最佳空间阈值的皖江城市带土地利用冲突集聚状况及演化分析

王玉纯; 昂宇峰; 王秉义

doi:10.13961/j.cnki.stbctb.2025.01.036

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基于最佳空间阈值的皖江城市带土地利用冲突集聚状况及演化分析

试验研究

- 基于最佳空间阈值的皖江城市带土地利用冲突集聚状况及演化分析
- Analysis of land use conflict agglomeration and evolution in Wanjiang urban belt based on optimal spatial threshold
- 水土保持通报 2025年45卷第1期页码：346-356
- 作者机构：
  
  安徽建筑大学公共管理学院,安徽,合肥,230022
- 作者简介：
- 基金信息：
  
  安徽省社科联攻关项目“基于空间冲突的安徽省国土空间协调优化研究”(2022CX093)
- DOI：10.13961/j.cnki.stbctb.2025.01.036
  中图分类号： P967;F301.2
- 纸质出版：2025
- 稿件说明：
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王玉纯, 昂宇峰, 王秉义. 基于最佳空间阈值的皖江城市带土地利用冲突集聚状况及演化分析[J]. 水土保持通报, 2025,45(1):346-356.

Wang Yuchun, Ang Yufeng, Wang Bingyi. Analysis of land use conflict agglomeration and evolution in Wanjiang urban belt based on optimal spatial threshold[J]. Bulletin of Soiland Water Conservation, 2025, 45(1): 346-356.
王玉纯, 昂宇峰, 王秉义. 基于最佳空间阈值的皖江城市带土地利用冲突集聚状况及演化分析[J]. 水土保持通报, 2025,45(1):346-356. DOI： 10.13961/j.cnki.stbctb.2025.01.036.

Wang Yuchun, Ang Yufeng, Wang Bingyi. Analysis of land use conflict agglomeration and evolution in Wanjiang urban belt based on optimal spatial threshold[J]. Bulletin of Soiland Water Conservation, 2025, 45(1): 346-356. DOI： 10.13961/j.cnki.stbctb.2025.01.036.

摘要

[目的] 科学识别土地利用冲突的集聚特征与演化趋势，为促进国土空间合理布局、推动区域可持续发展提供科学参考。[方法] 借助景观指数构建土地利用冲突测度模型，定量分析皖江城市带1990—2020年土地利用冲突的时空演化趋势，并通过设定最佳空间阈值的方式确定距离权重矩阵，对区域冲突集聚效应进行更精确的研究。[结果] ①近30 a来皖江城市带的土地利用结构发生较大变化，耕地、林地面积持续缩减，建设用地规模增幅表现突出； ②区域土地利用冲突呈“北高南低”的分布格局，较弱空间冲突和中等空间冲突区面积占主体位置；严重冲突区域集中在合肥市、芜湖市、六安市金安区及长江水系两侧沿岸地带； ③研究期内城市带的土地利用冲突指数变化显著，尤以合肥市东部、芜湖市北部以及滁州市东南部的冲突幅度增加表现突出；受城镇化发展进程的影响，冲突重心逐渐朝南偏移，严重冲突区向西北—东南方向转变； ④选取5 km为最佳距离分析阈值，高—高聚集冲突区以合肥市为中心成片分布，低—低聚集冲突区则不存在集聚现象。[结论] 皖江城市带的土地利用冲突问题存在加剧隐患，且冲突主体区域表现出转移趋势，未来应加强区域土地利用合理布局，注重城镇化发展与生态保护间的平衡稳定。

Abstract

[Objective] The agglomeration characteristics and evolution trend of land use conflicts was scientifically identified to provide important reference for promoting the rational layout of territorial space and regional sustainable development. [Methods] The spatial-temporal evolution trend of land use conflict in the Wanjiang urban belt from 1990 to 2020 was quantitatively analyzed by constructing a land use conflict measurement model based on the landscape index. The distance weight matrix was determined by setting the optimal spatial threshold to explore the agglomeration effect of land use conflict more accurately. [Results] ① Significant changes occurred in the land use structure of the Wanjiang urban belt from 1990 to 2020. The area of cultivated and forest land decreased continuously

and the scale of construction land increased significantly. ② The distribution pattern of regional land use conflicts was “higher in the north and lower in the south

” with areas of weak and medium spatial conflicts occupying the main position. Serious conflict areas were concentrated in Hefei City

Wuhu City

Jin’an District of Lu’an City

and the coastal areas on both sides of the Yangtze River system. ③ The land use conflict index changed significantly in urban areas during the study period

especially in the east of Hefei City

the north of Wuhu City

and the southeast of Chuzhou City. Under the influence of urbanization

the conflict gravity center gradually shifted southward

and the serious conflict zone shifted from the northwest to the southeast. ④ 5 km was selected as the optimal distance analysis threshold. The high-high aggregation conflict zone was centered on Hefei City

while the low-low aggregation conflict zone showed no agglomeration phenomenon. [Conclusion] The land use conflict in Wanjiang urban belt has the potential to intensify

and the main conflict areas show a shifting trend. In the future

it is necessary to strengthen the rational distribution of regional land use and focus on the balance and stability between urbanization development and ecological protection.

关键词

Keywords

references

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