南昌市主城区生态系统服务供需匹配的城乡梯度特征研究

doi:10.19741/j.issn.1673-4831.2021.0763

摘要/Abstract

摘要： 认识生态系统服务供需匹配的城乡梯度特征是统筹推进城乡生态建设的前提,对城乡居民福祉的提升具有重要意义。以南昌市主城区为例,采用生态系统服务供需相对指数评估供需的空间特征,应用自然间断点分级法对供需状态进行分级,对供需等级叠加生成供需匹配类型,并结合景观结构分析与空间区位识别城乡梯度类别。结果表明:研究区生态系统服务高需求与中需求区域主要位于城市,高供给与中供给区域主要位于乡村。供需匹配类型共有6种,每种类型的景观结构与空间区位不同。研究区城乡梯度类别有6种,分别为城市的内圈、中圈、近郊以及乡村的农业、半生态、生态村,近郊有4种生态系统服务供需匹配类型,乡村端有3种供需匹配类型。生态系统服务供需匹配的城乡梯度受距离梯度与景观梯度的双重作用,空间结构呈现为圈层状。总体上从城市往乡村端需求逐渐减少,供给逐渐增加。研究面向各梯度提出了差异化的调控策略,基于梯度合作视角提出了促进城乡供需互补与流动的生态一体化路径。研究结果可为城乡生态系统服务管理和区域融合发展提供有益的参考。

关键词: 生态系统服务, 供需匹配, 城乡梯度, 生态一体化, 南昌市

Abstract: Identifying the urban-rural gradient of supply-demand matching of ecosystem services is the premise of overall promotion of urban-rural ecological construction, and is of great significance for the coordinated optimization of urban-rural residents' well-being. Taking the main area of Nanchang city as an example, the paper evaluated the spatial characteristics of supply and demand by using the relative index of ecosystem services supply and demand, classified the supply and demand status by using the method of natural discontinuity, and stacked them yielding a variety of supply and demand matching types. The urban-rural gradient types were identified by combining landscape structure analysis and spatial location. The results show that: The areas with high and medium demand for ecosystem servicesare mainly located in urban area, while the areas with high and medium supply are mainly located in rural area. There are 6 matching types of supply-demand with different landscape structure and spatial location. There are six types of urban-rural gradient in the study area: urban inner circle, urban middle circle, suburban, agricultural, semi-ecological and ecological villages. There are four types of supply-demand matching types of ecosystem services in the suburban and three types of supply-demand matching types in the rural area. Urban-rural gradient of supply-demand matching of ecosystem services are influenced by distance gradient and landscape gradient, and the spatial structure show a circular layer, which is divided into four layers. In general, from the urban to the rural end, demand gradually decreases and supply gradually increases. The research proposes different corresponding regulatory strategies and specific measures for each gradient. Based on the perspective of gradient integration, the ecological integration path is proposed to promote the complementarity and flow of urban-rural supply and demand. The results provide useful references for urban-rural ecosystem service management and regional integrated development.

Key words: ecosystem services, supply-demand matching, urban-rural gradient, ecological integration, Nanchang City

中图分类号:

X826

方朝阳, 蔡振饶, 赵华飞, 何清华, 刘志勇. 南昌市主城区生态系统服务供需匹配的城乡梯度特征研究[J]. 生态与农村环境学报, 2023, 39(6): 713-722.

FANG Chao-yang, CAI Zhen-rao, ZHAO Hua-fei, HE Qing-hua, LIU Zhi-yong. Urban-rural Gradient Feature of Matching Ecosystem Services Supply and Demand in the Main Area of Nanchang[J]. Journal of Ecology and Rural Environment, 2023, 39(6): 713-722.

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