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61,005 resultsShowing papers similar to Environmental Behaviors, Ecological Risks, and Toxic Mechanisms of Emerging and Legacy Contaminants in China: From Distribution to Management
ClearAnalysis of the Spatial Distribution Characteristics of Emerging Pollutants in China
Researchers mapped the spatial distribution of four types of emerging pollutants in China's water environment, including microplastics, endocrine disruptors, brominated flame retardants, and perfluorinated compounds. They found that pollution levels correlate with regional economic development, with the Yangtze River Delta, Pearl River Delta, and Beijing-Tianjin-Hebei region showing significantly higher contamination. The study provides a reference framework for emerging pollutant prevention and control across China.
Environmental behavior of microplastic - heavy metal synergistic contamination in a typical urban-rural river network
Researchers investigated the seasonal co-occurrence of microplastics and heavy metals in urban and rural rivers in a Chinese inland city. They found that both pollutant types were present in all water samples and that microplastics can adsorb heavy metals, potentially increasing the combined environmental risk. The study reveals that river networks connecting urban and rural areas serve as pathways for spreading this dual contamination.
Progress in the Research of the Toxicity Effect Mechanisms of Heavy Metals on Freshwater Organisms and Their Water Quality Criteria in China
Researchers reviewed the toxicity mechanisms of heavy metals on freshwater organisms and the development of water quality criteria in China. The study examines how heavy metal pollution threatens both aquatic ecosystems and human health, and discusses the scientific basis for establishing environmental standards that protect freshwater organisms from harmful contaminant levels.
Addressing the challenges of new pollutants in China: current status, knowledge gaps, and strategic recommendations
This review examines China's approach to managing new pollutants including persistent organic pollutants, endocrine disruptors, antibiotics, and microplastics, which are characterized by their persistence and tendency to accumulate in living organisms. Researchers identified significant gaps between existing regulations and the complex ecological health risks these substances pose. The study recommends strengthening lifecycle management strategies and improving risk assessment frameworks to better address these emerging environmental threats.
1 Occurrence, fate, and toxicity of emerging contaminants in a diverse ecosystem
This review examines the occurrence, fate, and toxicity of emerging contaminants (ECs) in diverse ecosystems, focusing on compounds arising from urbanization and industrialization that persist in wastewater treatment systems and migrate into multiple environmental compartments. The authors discuss how ECs resist biodegradation, accumulate in living cells, and transfer through trophic levels, presenting a significant ongoing challenge to public health and ecosystem integrity.
Current status of microplastic pollution in China’s aquatic environment and its interactions with metal pollutants on aquatic organisms
Researchers reviewed the current state of microplastic pollution in China's rivers, lakes, and coastal waters and how microplastics interact with metal pollutants to affect aquatic organisms. They found that microplastics can absorb metals from the water and that the combined exposure is often more harmful to aquatic life than either pollutant alone. The study highlights that tire wear microplastics are a particularly concerning source because they release high levels of metals, creating compounding risks for freshwater and marine ecosystems.
Status and characteristics of microplastic pollution in Chinese freshwater environment
This review summarizes research on microplastic distribution, toxic effects on organisms, and interactions with other pollutants in Chinese freshwater environments. The paper calls for strengthened regulation and monitoring of microplastics in China's lakes, rivers, and water supplies.
Microplastic pollution in Chinese Rivers: A detailed analysis of distribution, risk factors, and ecological impact
Researchers aggregated data from 2,474 microplastic samples across 165 publications to assess ecological risk in Chinese rivers, finding widespread contamination with average abundance varying substantially by watershed characteristics. A revised risk assessment accounting for particle morphology and polymer toxicity raised concern levels beyond previous estimates.
Integrative Evaluation of the Ecological Hazards by Microplastics and Heavy Metals in Wetland Ecosystem
Researchers conducted an integrative ecological hazard assessment of microplastics combined with heavy metals, evaluating their combined toxicity to aquatic organisms. The study found that co-contamination with heavy metals and microplastics poses greater ecological risk than either pollutant alone.
The contamination of microplastics in China's aquatic environment: Occurrence, detection and implications for ecological risk
This review summarized microplastic contamination across marine environments, freshwater systems, and wastewater treatment plants in China, one of the world's top plastic-producing countries. The study highlights that research on how microplastics transfer between connected water environments remains lacking, and the microscale toxicity of microplastics is still poorly understood.
The Occurrence, Distribution, Environmental Effects, and Interactions of Microplastics and Antibiotics in the Aquatic Environment of China
This review characterizes the co-occurrence of microplastics and antibiotics in Chinese aquatic environments, summarizing their sources, spatial distributions, and the environmental effects of their interactions.
Microplastic pollution research methodologies, abundance, characteristics and risk assessments for aquatic biota in China
Researchers reviewed the current state of microplastic pollution research in China's aquatic environments, covering detection methods, abundance data, characteristics, and risk assessments for aquatic organisms. The review highlights that China's marine and freshwater environments are seriously polluted by microplastics, with ingestion by aquatic organisms posing potential ecological harm.
Emerging Contaminants in the Effluent of Wastewater Should Be Regulated: Which and to What Extent?
This study identified 18 high-risk emerging contaminants in Chinese wastewater treatment plant effluent, including pharmaceuticals and endocrine-disrupting chemicals like bisphenol-A, that need stricter regulation. While focused on chemical contaminants rather than microplastics directly, these pollutants often coexist with microplastics in wastewater and can bind to plastic particle surfaces. Better regulation of wastewater discharge is essential for reducing the combined health risks from microplastics and the chemicals they carry.
Research progress on source, risk assessment, and management of emerging pollutants in drinking water.
This Chinese review covers emerging drinking water pollutants including microplastics, endocrine-disrupting chemicals, per- and polyfluoroalkyl substances (PFAS), and antibiotics, examining their sources, environmental pathways, and health risk frameworks. The authors highlight microplastics as a particularly complex challenge due to their ability to adsorb and co-transport other toxic contaminants into drinking water supplies.
Emerging Contaminants in Aquatic Ecosystems: Sources, Effects, and Mitigation Approaches
This study explores emerging pollutants in aquatic ecosystems, including drug residues, pesticides, heavy metals, and microplastics, examining their sources and ecological impacts. Researchers found that these contaminants accumulate in water bodies through industrial and agricultural pathways and may affect human health through the food chain. The study highlights the need for better monitoring technologies and integrated management strategies to protect water quality.
Spatial and temporal distribution characteristics of antibiotics and heavy metals in the Yitong River basin and ecological risk assessment
Researchers analyzed the distribution of antibiotics and heavy metals in the Yitong River in China, finding that antibiotics were higher in urban areas while heavy metals like cadmium were more concentrated near agricultural zones — and that both posed elevated health risks to children. The fluoroquinolone antibiotics ofloxacin and norfloxacin were at high ecological risk levels, highlighting the river as a complex pollution hotspot requiring targeted intervention.
Systematic Review of Contaminants of Emerging Concern (CECs): Distribution, Risks, and Implications for Water Quality and Health
This systematic review summarizes research on contaminants of emerging concern, including microplastics, pharmaceuticals, and industrial chemicals found in water sources. The findings highlight that these pollutants pose real risks to both ecosystems and human health, and that current water treatment methods may not fully remove them.
Determining the Effect of Discharge of the Coastal Wastewater Treatment Plants on the Toxicity of Surface Waters: A Case Study in İstanbul
Researchers evaluated the toxicity of coastal surface waters affected by wastewater treatment plant discharges in Istanbul, assessing how xenobiotic compounds from domestic and industrial sources interact to produce synergistic or antagonistic toxic effects on aquatic ecosystems.
A systematic review of emerging contaminants in the Greater Bay Area (GBA), China: Current baselines, knowledge gaps, and research and management priorities
This systematic review examines emerging contaminants, including microplastics, in China's Greater Bay Area. The region's rapid urban and industrial growth has introduced a wide range of pollutants into local ecosystems, raising concerns about what these contaminants mean for both environmental and human health in heavily developed coastal areas.
A review of polybrominated diphenyl ethers and novel brominated flame retardants in Chinese aquatic environment: Source, occurrence, distribution, and ecological risk assessment
Researchers reviewed a decade of data on polybrominated diphenyl ethers and related brominated flame retardants in Chinese surface water and sediment, tracing their entry pathways (including microplastic decomposition) and finding that the highest contamination risk is concentrated near coastal e-waste dismantling sites.
A critical review of microplastic pollution in urban freshwater environments and legislative progress in China: Recommendations and insights
This critical review examines microplastic pollution across urban freshwater environments in China, synthesizing findings on contamination levels, sources, and ecological effects in a context of rapid urbanization affecting over 800 million urban residents. The authors review legislative progress and provide recommendations for improving monitoring standards, reducing plastic inputs, and aligning Chinese policy with international frameworks.
Nationwide meta-analysis of microplastic distribution and risk assessment in China's aquatic ecosystems, soils, and sediments
A nationwide meta-analysis of 7,766 sampling sites across China found that microplastic distribution is influenced by economic development, population density, and geography, with generally higher concentrations in prosperous areas. The pollution varies significantly across water, soil, and sediment compartments, highlighting the need for AI-based regulatory frameworks to manage standardized risk assessment.
Study on water quality criteria and ecological risk assessment of microplastics in China’s surface waters
Researchers derived water quality criteria for microplastics in Chinese surface waters using species sensitivity distribution analysis across aquatic toxicity data. The resulting criteria values provide regulatory benchmarks for protecting aquatic organisms from microplastic contamination in freshwater and marine environments.
Selected legacy and emerging organic contaminants in sediments of China's Yangtze – the world's third longest river: Response to anthropogenic activities
Researchers conducted the first extensive survey of legacy and emerging organic contaminants in sediments along the entire Yangtze River. They found that pharmaceuticals and personal care products were the dominant contaminants, followed by polychlorinated biphenyls, neonicotinoid pesticides, and polybrominated diphenyl ethers. The study links contamination levels to anthropogenic activities such as urbanization, agriculture, and industrial discharge along different stretches of the river.