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Based on the statistical data of urbanization and eco-environment of 35 cities in the Huaihe River Basin of China in 2010, an index system of urbanization-eco-environment system was established by using fuzzy matter element theory, and the weight of each indicator was calculated by entropy method. The improved function of the coupling coordination degree of urbanization and eco-environment was constructed to measure this coupling coordination degree in the Huaihe River Basin. In 2010, the development level of urbanization subsystem in the Basin was lower than that of the eco-environment subsystem, and the integrated coordination index of urbanization and eco-environment was 0.186, indicating that there was a gap between the two types of indicators. The average coupling degree of urbanization and eco-environment was 0.475, indicating that the urbanization-eco-environment system was at antagonistic stage. There was a greater difference in the development level of urbanization subsystem, but a smaller difference in the development level of eco-environment subsystem among the cities. The average value of the coordination degree of all the cities was 0.706, indicating that the Huaihe River Basin was at high coordination coupling stage, and the integrated coherence and synergistic effect of urbanization and eco-environment construction in the Huaihe River Basin was higher.
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Water Res
August 2025
College of Environment and Ecology, Chongqing University, Chongqing 400045, China; Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, College of Environment and Ecology, Chongqing University, Chongqing, 400045, China. Electronic address:
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View Article and Find Full Text PDFEnviron Pollut
September 2025
CSD New Concept Environmental Development Yixing Co., Ltd., Yixing, PR China.
The ultraviolet (UV) process is recognized as an environmentally friendly treatment, typically producing fewer byproducts compared to conventional chemical oxidation methods. However, research on the mechanisms underlying the removal of toxic effects by UV and UV-based combined processes during wastewater treatment remains insufficient. In this study, effect-based trigger values (EBTs) for acute toxicity, genotoxicity, and estrogen receptor (ER) agonist activity were derived and subsequently applied to assess three categories of toxicity variations in both full-scale wastewater treatment plants (WWTPs) and pilot-scale systems.
View Article and Find Full Text PDFJ Environ Manage
August 2025
Hebei Key Laboratory of Animal Physiology, Biochemistry, and Molecular Biology, Hebei Collaborative Innovation Center for Eco-Environment, Hebei Research Center of the Basic Discipline of Cell Biology, Ministry of Education Key Laboratory of Molecular and Cellular Biology, College of Life Sciences,
Urban land-use change significantly alters soil microbial communities, with consequences for ecosystem functionality and public health. However, the ecological and health-related outcomes of converting cropland into urban green infrastructure remain poorly characterized. In this study, we examined how three land-use types, afforestation, constructed wetlands, and urban infrastructure, affect soil bacterial diversity, community assembly, and pathogen risk over a three-year period (2019-2023).
View Article and Find Full Text PDFEcotoxicol Environ Saf
August 2025
Oil and Gas Research Center, Northwest Institute of Eco-environment and Resources, Chinese Academy of Sciences, Lanzhou 730000, China.
The continuous increase in atmospheric wet nitrogen deposition resulting from human activities has had a profound impact on the biodiversity and ecological balance of the Tibetan Plateau. The Three Rivers Headwater Region, situated in the central part of the plateau, influences atmospheric circulation and is an important source of water in China. However, owing to the limited availability of comprehensive monitoring data, the understafnding of nitrogen deposition and its sources in the study area remains limited, hindering our understanding of its temporal and spatial patterns and influencing factors.
View Article and Find Full Text PDFEnviron Monit Assess
August 2025
Yixiu District Emergency Management Bureau, Anqing, 246000, China.
Urban growth and shrinkage are two sides of the same coin in the process of urbanization, and exploring their differentiated land use transformations and eco-environment effects is of great significance for coordinating regional land resource development and improving eco-environment quality. Taking the Southwest Karst region of China as an example, this study identifies growing and shrinking cities from 2010 to 2020 based on county-level population changes. We then conduct a comparative analysis of the spatiotemporal differentiation characteristics of land use transformation and eco-environment quality in growing and shrinking cities from the perspective of production-living-ecological space.
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