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Papers
20 resultsShowing papers similar to Rural Ecological Problems in China from 2013 to 2022: A Review of Research Hotspots, Geographical Distribution, and Countermeasures
ClearSoil Pollution Status, Sources and Control Methods in China
This review examined soil pollution sources, status, and control methods in China, covering industrial activity, agriculture, and urbanization as primary drivers of contamination. The paper discussed how soil pollution degrades agricultural output, contaminates water, and affects air quality, and surveyed available remediation strategies.
Evaluation of the Spatiotemporal Change of Ecological Quality under the Context of Urban Expansion—A Case Study of Typical Urban Agglomerations in China
Researchers tracked changes in ecological quality across three major urban areas in China over two decades of rapid urbanization. They found that urban expansion significantly reduced ecological quality in surrounding areas, with the most severe impacts occurring in newly developed zones. The study provides a framework for monitoring how urbanization affects local ecosystems using remote sensing data.
Research Progress of Soil Pollution and Its Remediation Technology
This review examines the combined soil pollution problem of heavy metals and microplastics in China, summarizing sources, ecological impacts, and remediation technologies including phytoremediation, bioremediation, and physicochemical approaches to restore contaminated agricultural land.
Asia’s soil contamination crisis: causes, consequences, and sustainable solutions: a comprehensive review
This review addresses Asia's soil contamination crisis, examining how rapid urbanization, intensive agriculture, and poor waste management have created widespread heavy metal and microplastic soil pollution threatening food security, biodiversity, and human health across the continent.
Managing contaminants in farmed soils: case studies from China
This chapter examines agricultural soil contamination in China — where 16.1% of surveyed sites are polluted — using case studies to illustrate strategies for managing heavy metals, microplastics, and other contaminants in farmed soils with implications for food safety.
Research on Ecological Effects of Microplastics and Removal Methods
This Chinese-language review systematically examines how microplastics contaminate water, soil, and air, damage ecosystems by disrupting water cycles and enriching heavy metals in soil, and surveys available removal technologies. It highlights both the breadth of ecological harm microplastics cause and the practical options for removing them from different environmental compartments.
The Source, Distribution Characteristics,and Migration Behavior of Microplastic Pollutionin Soil Environment in China: A Review
Researchers reviewed how microplastics enter Chinese soils — mainly through plastic mulch films, sewage irrigation, and fertilizer application — and how they migrate through soil layers while carrying other pollutants with them. The review highlights that China's intensive agricultural practices make its soils among the most microplastic-contaminated on Earth, with implications for food safety and groundwater quality.
Spatial Distributions, Compositional Profiles, Potential Sources, and Intfluencing Factors of Microplastics in Soils from Different Agricultural Farmlands in China: A National Perspective
Researchers conducted a nationwide survey of microplastics in Chinese agricultural soils, collecting 477 samples from 109 cities across 31 regions, and identified spatial distribution patterns and key factors influencing farmland microplastic contamination.
Environmental Behaviors, Ecological Risks, and Toxic Mechanisms of Emerging and Legacy Contaminants in China: From Distribution to Management
Researchers reviewed the environmental distribution, ecological risks, and toxic mechanisms of both emerging and legacy contaminants in China's aquatic environments, examining how industrialization and urbanization drive the co-occurrence and combined pollution that threatens ecosystem integrity and human health.
Spatial Risks of Microplastics in Soils and the Cascading Effects Thereof
Using data from over 3,000 field sites across China, researchers found that about 4.3% of soil ecosystems face ecological risk from microplastics, with agricultural soils being the most vulnerable at nearly 15%. Climate factors like temperature and precipitation, combined with human activities like plastic film use in farming, are the main drivers of risk. The study highlights that microplastic contamination in farm soil is a widespread problem that could affect the safety of crops grown for human consumption.
Current research and perspective of microplastics (MPs) in soils (dusts), rivers (lakes), and marine environments in China
This review synthesized a decade of Chinese research on microplastic concentrations in soils, rivers, lakes, and marine environments, finding that coastal and urban areas are most contaminated and that freshwater environments are understudied compared to marine ones. China, as the world's largest plastic producer, faces significant microplastic pollution challenges requiring systematic monitoring across all environmental compartments.
Occurrences and distribution of microplastic pollution and the control measures in China
This review summarizes reported microplastic contamination levels in China's marine, freshwater, and atmospheric environments, finding that concentrations are highest in urbanized freshwater systems and identifying human population density and agricultural plastic use as key drivers.
From mapping to modelling: the evolving multidimensional microplastic risks in China's farmlands
Researchers combined a national-scale soil survey with machine learning models to map and project microplastic risks across China's farmlands through 2050, finding that agricultural film use, population density, and GDP are key drivers, and that regional risk rankings will shift counter-intuitively depending on which socioeconomic development pathway is followed.
Potential sources and occurrence of macro-plastics and microplastics pollution in farmland soils: A typical case of China
This review examines plastic pollution in Chinese farmland soils, finding that agricultural practices like mulch film use and sewage sludge application are major sources of both macro- and microplastics that accumulate over time.
Distribution, Environmental Risk Assessment, and Key Drivers of Microplastics in Farmland Soils Across Agricultural Zones in China
Researchers mapped the distribution and environmental risk of microplastics across a study area while identifying the key drivers of spatial variation, including land use and proximity to pollution sources. The findings provide a framework for prioritizing cleanup and management efforts in microplastic-contaminated environments.
A Comprehensive Analysis of Agricultural Non-Point Source Pollution in China: Current Status, Risk Assessment and Management Strategies
This review analyzes agricultural pollution in China from fertilizers, pesticides, plastic films, livestock, and crop waste, and finds widespread nitrogen, phosphorus, and heavy metal contamination across provinces. Microplastic pollution from agricultural plastic films was assessed as low risk, but heavy metals like arsenic and cadmium pose serious cancer risks to adults and children. The study recommends strategies focused on reducing pollution at the source to protect both farmland and human health.
National-scale distribution of micro(meso)plastics in farmland soils across China: Implications for environmental impacts
Farmland soils across 30 sites in China contained an average of 358 microplastic items/kg, with concentrations higher in arid northern regions; meta-analysis showed that while current soil levels are generally below minimum effective concentrations for harming crops and soil enzymes, they are approaching those thresholds.
Current practices and future perspectives of microplastic pollution in freshwater ecosystems in China
This review summarizes current knowledge and future research priorities for microplastic pollution in China's freshwater ecosystems, including rivers, lakes, and wetlands, identifying both urban and agricultural sources as major contributors. The authors call for nationally coordinated monitoring, standardized methods, and stronger regulatory frameworks to address the growing microplastic burden in Chinese freshwater systems.
Microplastic contamination in Chinese topsoil from 1980 to 2050
Using machine learning models, researchers estimated that microplastic contamination in Chinese topsoil increased roughly 25-fold between 1980 and 2018, driven by industrial growth, agricultural plastic film use, tire wear, and household waste. Cropland soil was especially affected, with concentrations rising from about 98 to 2,400 particles per kilogram. The models project that while reducing agricultural film use could cut cropland contamination in half by 2050, overall soil pollution will likely remain high due to continued urbanization.
Microplastics in agricultural soils in China: Sources, impacts and solutions
This review examines microplastic contamination in Chinese agricultural soils, finding abundances ranging from about 5 to over 40,000 items per kilogram depending on location. The study identifies plastic mulching films as the most significant source, followed by abandoned greenhouses and organic fertilizers, and recommends sustainable agronomic practices to reduce soil microplastic pollution.