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20 resultsShowing papers similar to Impacts of dam developments on human security in the Mekong delta : theoretical and empirical insights
ClearImpact of aquaculture practices on the sustainability of social-ecological systems in coastal zones of the Mekong delta
This Vietnamese study examines how different shrimp aquaculture intensities affect the sustainability of coastal social-ecological systems in the Mekong Delta. More intensive farming models increase economic risks and ecological damage to mangrove and coastal habitats, while extensive models better support sustainable livelihoods.
The role of dams as sources and sinks of plastics in global rivers
This meta-analysis pools data from global studies to assess how dams trap and release plastic pollution in rivers. The findings reveal that while dams can act as sinks that accumulate plastic debris, they also release microplastics downstream during water discharge, affecting the quality of water that communities downstream rely on for drinking and agriculture.
A DPSIR Assessment on Ecosystem Services Challenges in the Mekong Delta, Vietnam: Coping with the Impacts of Sand Mining
Researchers applied the DPSIR (Driver-Pressure-State-Impact-Response) framework to assess the ecosystem services challenges posed by intensive sand mining in the Mekong Delta, Vietnam. The analysis identified urbanisation-driven sand demand as the primary driver, with the resulting river bed incision and sediment deficit threatening delta biodiversity, agricultural productivity, and coastal stability.
Causes and consequences of tipping points in river delta social–ecological systems
This systematic review examines how cascading effects across anthropogenic, ecological, and geophysical processes trigger tipping points in river delta social-ecological systems, generally enhancing economic development at the expense of environmental sustainability. While not specifically about microplastics, the framework illustrates how cumulative environmental stressors — including pollution — push deltas toward collapse or transformation.
Evaluation of plateau wetland ecological security and its influencing factors in multi-climatic zones: A case study of Yunnan Province
Not a microplastics paper — this study assesses the ecological security of plateau wetlands across Yunnan Province, China using a pressure-state-response model based on remote sensing data, identifying climate and human activity as key threats to these fragile ecosystems.
Riverine Microplastic Pollution in Vietnam: A Review of Current Scientific Knowledge and Legal Policies
This review summarizes current scientific knowledge and legal policies regarding microplastic pollution in Vietnam's rivers. Evidence indicates that microplastics are present in riverine surface water, sediments, and biota across Vietnam's canal and estuarine systems, with potential implications for human health through seafood consumption and drinking water.
River ecosystem processes: A synthesis of approaches, criteria of use and sensitivity to environmental stressors
This synthesis reviewed approaches to studying river ecosystem processes, evaluating criteria for selecting sensitive indicators and methods for detecting ecological change driven by pollution and land-use pressures.
Fish—To Eat or Not to Eat? A Mixed-Methods Investigation of the Conundrum of Fish Consumption in the Context of Marine Pollution in Indonesia
Researchers investigated the dilemma of fish consumption in Indonesia amid marine pollution, using mixed methods to explore sociodemographic factors and perceptions that influence whether people continue eating fish despite contamination concerns.
Forrageando no Antropoceno: explorando as dinâmicas de reservatórios e poluição plástica em organismos de água doce.
This systematic review examines how reservoir construction and plastic pollution affect freshwater organisms. It highlights that microplastic contamination in freshwater ecosystems threatens the organisms that make up food chains, with potential consequences for the safety of drinking water and freshwater food sources.
[Microplastic Characteristics and Risk Assessment in Multigate Dam-type River].
Researchers assessed microplastic abundance, composition, and ecological risk in surface water and sediments across ten dams on the Shaying River, China, finding that dam construction complicates microplastic distribution patterns and increases retention of particles in reservoir environments.
The Urban River Syndrome: Achieving Sustainability Against a Backdrop of Accelerating Change
This review examines the Urban River Syndrome -- the cumulative degradation of rivers from millennia of human activity -- and explores frameworks for achieving sustainability in urban river management against a backdrop of accelerating environmental change.
Presença e efeitos da poluição plástica em peixes marinhos e de água doce
This thesis (in Portuguese) investigates plastic contamination in freshwater and marine fish, examining physiological, functional, and ecological effects across multiple levels of biological organization, including food safety implications for human consumption. The author finds that the scientific community has made progress on understanding individual-level effects but that broader ecological impacts and ecosystem-level consequences remain underexplored. The work contributes important evidence that plastic pollution in fish poses intertwined risks for wildlife and the people who eat them.
The effect of dams on river transport of microplastic pollution
This study investigated whether dams trap microplastics in river sediments, finding significant accumulation of microplastics upstream of dams compared to downstream, suggesting dams act as microplastic sinks. The findings have implications for managing microplastic transport through river systems and for understanding contamination risks associated with dam removal.
The concept, approach, and future research of hydrological connectivity and its assessment at multiscales
Researchers reviewed the concept of hydrological connectivity — the water-mediated transfer of matter and energy across landscapes — examining how dam construction, land management, and climate factors alter it, and identifying numerical modeling and connectivity indices as the most useful tools for its assessment across spatial scales.
Exploring the spatiotemporal effects of urban scale and urban vitality on S&D balance in the Yangtze River Delta, China from 2015 to 2025
Researchers analyzed how city growth and economic activity affect the balance between what ecosystems provide (like clean water and clean air) and what people demand in China's Yangtze River Delta, finding that larger urban areas strain this balance while targeted development strategies can help certain regions maintain healthier ecosystems.
Sources of microplastic pollution in the Saigon-Dong Nai rivers, potential risks affecting human health and recommendations for mitigation solutions
Sampling of the Saigon-Dong Nai river system in Vietnam detected microplastic fragments, films, and fibres at concentrations of up to 715,000 particles per cubic metre, primarily sourced from urban runoff, wastewater, and industrial discharge. Because these rivers supply drinking water and support subsistence fishing for millions of people, the findings highlight a significant and largely unquantified human exposure pathway to microplastics in a rapidly urbanising region.
Communities’ Perception of Health Risks Associated with Utilizing the Water and Fish from the River Nyong, Cameroon
Researchers surveyed communities along the River Nyong in Cameroon to assess their perception of health risks from using river water and fish, finding that residents rely heavily on these resources despite contamination concerns from residential and agricultural runoff.
Assessing the Ecological Effects of Multiple Stressors in River and Stream Ecosystems
This doctoral research examines sources, sinks, and ecological impacts of plastics and other chemical contaminants as multiple stressors in river and stream ecosystems, applying contaminant mixture analysis at multiple biological levels from sub-organismal to ecosystem scale.
Implikasi Pencemaran Mikroplastik Terhadap Kesehatan Lingkungan Pada Ekosistem Sungai: Literature Review
This Indonesian-language literature review examined the implications of microplastic pollution for environmental health in river ecosystems, drawing on global studies. The review found that microplastics disrupt aquatic food chains and pose risks to organisms and downstream human communities that depend on river water for drinking and agriculture.
A comprehensive review on the negative impacts on Sundarbans fisheries: Insights from the hydrological changes modulated by climate change and anthropogenic activities
This review examines the interconnected threats to fisheries in the Sundarbans mangrove ecosystem from climate change and human activities. Researchers found that hydrological changes from rising sea levels, cyclones, and salinity fluctuations, combined with pollution from pesticides, heavy metals, microplastics, and oil spills, are degrading fish habitats and contaminating edible fish tissues. The study identifies critical research gaps including insufficient long-term climate monitoring and limited data on pollutant levels in the region.