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Ecological Impacts of Microplastics on Marine Organisms
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This review paper pulls together existing research on how tiny plastic particles (microplastics) build up in oceans and harm marine life like algae, shellfish, and fish—sometimes damaging their cells. Because these particles can move up the food chain from small organisms to larger ones, and seafood is a major part of many diets, this matters for humans too: what accumulates in fish and shellfish may eventually end up on our plates. The research doesn't pinpoint exact human health risks yet, but it underscores why scientists are increasingly concerned about plastic pollution's ripple effects through the food web.
Microplastics (MPs) have been an environmental concern due to the resistance to biodegradation under natural conditions. Despite the potential hazards of MPs to living organisms, their environmental fate has not yet been fully understood. Since MPs are primarily originated from anthropogenic activities, they can be identified across all environmental media. This chapter aims at the sources of MPs and their global distribution, which highlights that the marine is a critical reservoir. Physicochemical properties of MPs, including shape, size, and polymer type, are scrutinized with their behaviors acting as adsorbents and as substrates for biofilm formation. Also, cytotoxic effects of MPs on marine organisms such as algae, invertebrates, and vertebrates are reviewed. Variability and debatable nature of the observed effects are highlighted. The bioaccumulation of MPs by marine organisms and their trophic transfer through the food web has been explored additionally. Therefore, this chapter provides the environmental behavior of MPs in marine environments and their ecological risks against marine biodiversity.
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Impact of microplastics on marine ecosystems: An analysis of their ecological effects
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This review of 31 studies found that microplastics are harming marine life, from tiny zooplankton to fish, seabirds, and turtles, causing cell damage, inflammation, and disrupted digestion, with these toxins building up as they move up the food chain. Since humans eat seafood from these same waters, this bioaccumulation is a red flag for what may end up on our plates, underscoring why researchers are calling for urgent action to reduce plastic pollution in oceans.
Effects of microplastics, nanomaterials and other environmental contaminants on marine organism
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This paper reviews existing research on how tiny plastic particles, nanomaterials, and other pollutants affect ocean life, from fish to shellfish. Since these creatures are part of the food chain that ends up on our plates, understanding how pollution harms them can help us predict potential risks to the seafood we eat. While the paper focuses on marine animals rather than humans directly, it highlights growing concerns about how widespread plastic pollution may be working its way up to our dinner tables.
Microplastics in Marine Ecosystems: A Serious Health Concern
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This review paper pulls together existing research showing that tiny plastic bits from ocean pollution—called microplastics—are turning up in seawater, marine life, and the seafood we eat. Because these particles can carry toxic chemicals and may build up in our bodies over time, scientists are increasingly concerned about what this means for long-term human health, even though more research is still needed to fully understand the risks.
Mapping of microplastic toxicity: Uptake, trophic transfer, and ecotoxicological risks in marine ecosystems
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This review pulls together existing research showing that tiny plastic particles (microplastics) build up in ocean life, moving from small organisms all the way up to the fish we eat, causing stress, inflammation, and cell damage along the way. Since these particles can carry harmful chemicals with them, and seafood is a major route of exposure for people, the findings highlight a real need for better monitoring and policies to protect both marine life and human health.
Effect of Microplastics on Marine Ecosystems
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This chapter reviews how large plastic waste flowing into oceans breaks down into microplastics under sunlight and wave action, and how those particles travel through marine food webs. Ingested microplastics can cause cellular damage, tissue injury, and hormonal disruption in marine organisms, and the same particles can ultimately reach humans who eat seafood. The chapter also discusses the economic threat microplastic contamination poses to the aquaculture industry.
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