基于生态系统服务供需的太原市生态管理分区

doi:10.13287/j.1001-9332.202407.026

摘要/Abstract

摘要： 明晰生态系统服务供需的匹配程度和权衡/协同关系,对科学划分生态管理分区和城市的可持续发展具有重要意义。本研究基于多源数据,以街道为尺度单元量化了太原市生态系统服务供给及需求量,借助Getis-Ord Gi^*工具和相关性分析方法探究了6种生态系统服务供需比冷热点区域及供需间的权衡/协同关系,并根据自然资源特征及社会经济情况提出了生态管理分区及管控建议。结果表明: 太原市生态系统服务供需分布具有空间分异性,在供给方面,固碳量、空气净化、热环境调节、休闲服务在东西部较高,土壤保持西部较高,产水服务南部较高;在需求方面,固碳量、热环境调节、产水和休闲服务呈现出中部及东南部高、四周低的特点,空气净化需求南部和北部较高,土壤保持需求西部较高。生态系统服务供需不匹配特征明显,6种服务供需风险等级总体呈现由汾河向东西两山递减的规律。供给方面,产水服务与其他5种服务呈现为权衡关系;需求方面,空气净化和土壤保持与其他4种服务呈现为权衡关系。本研究提出了“保护优先-调控为主-协同治理”的分区框架,将研究区分为3个一级分区和8个二级分区,并提出了差异化管护策略。本研究可为平衡生态系统服务供需关系、促进城市可持续发展提供参考。

关键词: 生态系统服务, 供需, 风险评价, 权衡/协同, 生态管理分区

Abstract: Clarifying the matching degree and the trade-offs and synergies between supply and demand of ecosystem services is of significance for scientific division of management zoning and sustainable urban development. We calculated the supply and demand of ecosystem services at the sub-district (town) scale of Taiyuan based on multi-source data, explored the coldspots and hotspots area of the supply-demand ratio and the trade-offs and synergies of six ecosystem services using the Getis-Ord Gi^* tool and correlation analysis, and proposed strategies based on the regional characteristics of natural-resource and socio-economy. Results showed the distribution of the supply and demand of ecosystem services had a spatial heterogeneity. In terms of supply, the area with high supply of carbon storage, air purification, thermal environment regulation and recreation service were located in the east and west parts, that of soil conservation in the west and water yield in the south part. In terms of demand, the demand distribution of carbon storage, thermal environment regulation, water yield and recreation service were characterized by high in the central and east-south area, and low in the periphery, and high demand of air purification in south and north parts, soil conservation in west part. There were substantial mismatches between the demand and supply of ecosystem services. The risk levels of the supply and demand of six ecosystem services showed a decreasing pattern from the Fenhe River to the eastern and western mountains. There were trade-offs between water yield and other five ecosystem services in their supply, while air purification and soil conservation had trade-offs with other four ecosystem services in demand. Based on the regional ecological management framework, we divided the study area into three primary zones and eight secondary zones, and proposed differentiated ecological management strategies to provide theoretical support for ecological zoning. The results could provide a basis for balancing the relationship of supply and demand of ecosystem services and promoting the sustainable development of the city.

Key words: ecosystem service, supply and demand, risk assessment, trade-off and synergy, ecological management zone

陈小平, 邓亚宇, 徐若凡, 李萱, 马航, 武小钢, 黄春波. 基于生态系统服务供需的太原市生态管理分区[J]. 应用生态学报, 2024, 35(7): 1925-1934.

CHEN Xiaoping, DENG Yayu, XU Ruofan, LI Xuan, MA Hang, WU Xiaogang, HUANG Chunbo. Ecological management zone of Taiyuan City based on the supply and demand of ecosystem services[J]. Chinese Journal of Applied Ecology, 2024, 35(7): 1925-1934.

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