Regulating effects and impact mechanisms of ecosystem regulating services on air quality: Evidence from the Yangtze River Economic Belt, China

IF 9.8 1区 社会学 Q1 ENVIRONMENTAL STUDIES
Qiaoling Luo , Xiangyun Zeng , Junfang Zhou , Mingxing Liu , Youcheng Chu
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Abstract

Air quality, increasingly threatened by global climate change and human activities, critically impacts human well-being (HWB). While ecosystem services, benefits humans derive from natural ecosystems, are known to support HWB, the specific regulatory effects of ecosystem regulating services (ERS) on air quality remain unclear. Taking Yangtze River Economic Belt (YREB) as a case, this study addresses this gap by introducing the air quality-ERS coordination index (AECI) to quantify the regulating effects of ERS on air quality. Coupling degree models, random forest regression, Shapley additive explanations, and accumulated local effects models were employed to examine the spatio-temporal heterogeneity and mechanisms influencing ERS regulating effects. The findings indicate that: (1) From 2000 to 2020, ERS in the YREB declined erratically, while air quality initially worsened but improved after 2013, influenced by China's air quality policies. (2) Analysis was divided into natural development (2000−2013) and policy intervention (2013−2020) periods, with ERS closely linked to air quality in both. (3) During policy intervention period, AECI values were 7.9 times higher than in natural development period. Along the urban development gradient, AECI increased in natural development period but decreased in policy intervention period, showing marked core-edge heterogeneity. Core cities exhibited the highest AECI in policy intervention period, indicating stronger policy responsiveness. (4) Population density, temperature, and land surface temperature were dominant factors influencing ERS regulating effects on air quality, with varying impacts across periods. This study enhances the understanding of ERS-air quality interactions and provides a scientific basis for future research and policy formulation.

Abstract Image

生态系统调节服务对空气质量的调节效应及影响机制——来自长江经济带的证据
空气质量日益受到全球气候变化和人类活动的威胁,严重影响人类福祉(HWB)。虽然已知生态系统服务(人类从自然生态系统中获得的利益)支持HWB,但生态系统调节服务(ERS)对空气质量的具体调节作用尚不清楚。本文以长江经济带为例,引入空气质量-ERS协调指数(AECI)来量化ERS对空气质量的调节作用,弥补了这一空白。采用耦合度模型、随机森林回归模型、Shapley加性解释模型和累积局部效应模型分析了ERS调控效应的时空异质性及其影响机制。结果表明:(1)受中国空气质量政策的影响,2000 - 2020年长江经济带ERS呈不规则下降趋势,2013年后空气质量呈现先恶化后改善的趋势。(2)分析分为自然发展期(2000 - 2013年)和政策干预期(2013 - 2020年),两者的ERS与空气质量密切相关。③政策干预期的AECI值是自然发展期的7.9倍。在城市发展梯度上,AECI在自然发展期呈上升趋势,在政策干预期呈下降趋势,表现出明显的核心边缘异质性。核心城市在政策干预期的AECI最高,表明政策响应能力较强。(4)人口密度、气温和地表温度是影响ERS对空气质量调节作用的主要因子,不同时期的影响差异较大。本研究增强了对ERS-air quality相互作用的认识,为未来的研究和政策制定提供了科学依据。
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来源期刊
CiteScore
12.60
自引率
10.10%
发文量
200
审稿时长
33 days
期刊介绍: Environmental Impact Assessment Review is an interdisciplinary journal that serves a global audience of practitioners, policymakers, and academics involved in assessing the environmental impact of policies, projects, processes, and products. The journal focuses on innovative theory and practice in environmental impact assessment (EIA). Papers are expected to present innovative ideas, be topical, and coherent. The journal emphasizes concepts, methods, techniques, approaches, and systems related to EIA theory and practice.
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