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The Effects of Microplastic Pollution on Marine Organisms and its Impact on Human Health: A Review
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Researchers reviewed how microplastics affect major marine taxa — from plankton to marine mammals — documenting impacts including reduced growth and reproduction, behavioral disruption, and inflammatory responses, while also assessing pathways through which MP-contaminated seafood and drinking water translate ocean pollution into risks for human health.
Microplastics (MPs) generally refer to plastic particles less than 5 mm in size. These pollutants are currently present in almost all marine environments and, due to their small size, are easily accessible to a wide range of marine organisms and are ultimately transported along the food web. The increasing presence of MP particles in the marine food chain has raised global concerns. MPs were first discovered in the guts of seabirds and have since been found in increasing concentrations. Exposure of marine organisms to MPs can lead to weight loss, reduced growth, reduced reproduction, changes in feeding behavior, changes in enzyme activity, initiation of stress response, and inflammatory response. MPs in marine environments provide a highly selective and flexible support platform for a variety of microbial communities, especially resistant pathogens. The accumulation of MPs in marine organisms consumed as human food has dangerous consequences for human health, leading to physical and chemical toxic effects. This study examines the effects of MPs and related contaminants on some of the most important marine organisms (plankton, bivalves, corals, fish, seabirds, and marine mammals) and also assesses the risks of human exposure to MPs through edible marine organisms.
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Examining the Environmental Concerns Caused by the Microplastic Contamination in Marine Ecosystem
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This review examines the environmental concerns posed by microplastic contamination in marine ecosystems, surveying sources, distribution patterns, biological impacts on marine organisms, and pathways of entry into food chains. As marine microplastics accumulate in fish, shellfish, and other seafood, they represent a direct and growing dietary exposure route for humans consuming ocean-derived food products.
Microplastics Pollution: A Threat to Marine Ecosystems
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Researchers review how microplastics enter marine ecosystems from industrial waste, personal care products, and degrading larger plastics, documenting their widespread impact on marine biodiversity and ecosystem health, and warning that continued accumulation poses a serious and growing threat to ocean environments worldwide.
Review on Microplastic Pollution in Marine Ecosystems: Sources, Distribution, Ecological Impacts, and Future Directions
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Researchers synthesize current knowledge on microplastic pollution in marine ecosystems, documenting sources ranging from plastic waste breakdown to industrial activities, widespread distribution from ocean surface to seafloor, ingestion by marine organisms across trophic levels, and significant knowledge gaps including long-term ecological consequences and nanoplastic effects requiring standardized research methodologies.
The effects of microplastics on marine ecosystem and future research directions
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Researchers summarize how microplastics accumulate throughout marine food webs and affect growth, behavior, reproduction, and survival of marine organisms, while calling for standardized testing methods and greater focus on fiber and fragment morphologies to better quantify real-world ecological risks.
Microplastics in the Marine Ecosystems: Identification and Impacts
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Tiny plastic particles called microplastics, broken-down bits of everyday plastic waste, are showing up along India's coastlines, and this review paper rounds up what scientists have found so far. While research on their health effects is still catching up, these particles are known to persist in the environment and can enter the food chain through seafood, raising concerns about long-term exposure for coastal communities. The authors point out that India still needs a lot more research to fully understand how serious this problem is and what it means for people's health.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.