ORIGINAL RESEARCH
Environmental Stress in Coastal Areas: Scale Effects and Vertical Management from Pollution Sources
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1
Department of Geography and Spatial Information Techniques, Zhejiang Collaborative Innovation Center & Ningbo University’s Collaborative Innovation Center for Land and Marine Spatial Utilization and Governance Research, Ningbo University, Ningbo 315211, China
 
2
Ningbo University Donghai Institute, Zhejiang Ocean Development Think Tank Alliance, Ningbo 315211, China
 
 
Submission date: 2025-02-17
 
 
Final revision date: 2025-04-02
 
 
Acceptance date: 2025-05-12
 
 
Online publication date: 2025-07-21
 
 
Corresponding author
Yufan Chen   

Department of Geography and Spatial Information Techniques, Zhejiang Collaborative Innovation Center & Ningbo University’s Collaborative Innovation Center for Land and Marine Spatial Utilization and Governance Research, Ningbo University, Ningbo 315211, China
 
 
Renfeng Ma   

Department of Geography and Spatial Information Techniques, Zhejiang Collaborative Innovation Center & Ningbo University’s Collaborative Innovation Center for Land and Marine Spatial Utilization and Governance Research, Ningbo University, Ningbo 315211, China
 
 
 
KEYWORDS
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ABSTRACT
Analyzing environmental sustainability from pollution sources is crucial for reducing pollution and advancing carbon peak and neutrality goals. This study uses Zhejiang Province, a typical coastal area in China, to develop a pollution source classification system, assess environmental stress intensity, and identify spatial patterns. The study also proposes a hierarchical control approach that integrates control levels and strategies. The findings reveal significant spatial variation in environmental stress across Zhejiang, with coastal cities facing higher stress than inland areas. Industrial sources in counties show a greater environmental impact. A classification system with 7 secondary categories and 21 tertiary categories is proposed, with the environmental stress index ranging from a maximum of 0.432 to a minimum of 0.013. The system emphasizes controlling “point” sources in urban and rural residential areas and industrial and mining production areas, “linear” sources in mobile transportation, and “planar” sources in agricultural planting and production breeding areas. The control levels for typical regions – dominated by industrial, agricultural, domestic, or ecological sources – range from Level IV to Level 0, requiring tailored environmental control strategies. The graded control measures based on environmental stress intensity and spatial characteristics can be effectively integrated with other environmental functional zoning systems, enhancing the precision of environmental management.
CONFLICT OF INTEREST
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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eISSN:2083-5906
ISSN:1230-1485
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