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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.
The ocean is the center of global river convergence, and the world’s rivers will carry nutrients, inorganic salts, and garbage into the ocean. However, large plastic waste and plastic particles will eventually flow into the ocean and be deposited, posing a threat to marine life and the environment. It is found that large plastic garbage can be found along the coasts of various sea areas such as Taiwan and Japan. These plastic wastes will be decomposed into microplastics smaller than 5 mm due to the erosion of sunlight, seawater, and waves. Microplastics will enter marine organisms through the food chain, which may cause cytopathic, tissue damage, and endocrine disorders. These microplastics remaining in marine organisms will be transferred to the human body due to the factors of the food chain. Therefore, in addition to the threat to marine organisms, microplastics may also affect human health. The harm of microplastics will be one of the most important issues for the impact on the marine environment. This chapter will discuss the harm and impact of microplastics on marine life and also discuss the economic threats to the aquaculture industry.
More Papers Like This
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.
The Effects of Ocean Plastic Pollution on Marine Ecology
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This review describes how plastic waste accumulates in the oceans, breaks down into microplastics under sunlight and saltwater, and enters food chains as fish and shellfish mistake particles for food. It summarises the scale of the problem — plastic makes up roughly 70% of ocean pollutants and is linked to the deaths of millions of seabirds and marine animals annually. The paper serves as a broad overview of how ocean plastic pollution threatens marine ecology and, through seafood consumption, human health.
Microplastic pollution in the marine environment: Sources, impacts, and degradation.
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This review summarizes existing research on microplastic pollution in the ocean, covering sources, effects on marine life, and degradation. Microplastics harm marine organisms across the food chain, from plankton to fish, affecting their growth, reproduction, immune systems, and behavior. Since humans consume many of these marine species, the widespread contamination raises concerns about microplastic exposure through seafood.
Microplastics as contaminants in marine environment.
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This review summarizes the sources, distribution, and environmental impacts of microplastics in the marine environment, covering how they enter the ocean, where they accumulate, and what harms they cause to marine organisms. It also discusses the potential for microplastics to transfer up the food chain to humans through seafood.
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.
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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.