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Microplastic Biomagnification in Invertebrates Fish and Cormorants in Lake Champlain
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Researchers investigated microplastic biomagnification across invertebrates, fish, and double-crested cormorants in Lake Champlain, examining whether plastic particle concentrations increase as contaminants move up the freshwater food web.
Student poster, Center for Earth and Environmental Science, SUNY Plattsburgh
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Trophic transfer of microplastics in Phalacrocorax auritus (Double-Crested Cormorants) and fish in Lake Champlain
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This study investigated trophic transfer of microplastics from invertebrates and fish to double-crested cormorants in Lake Champlain, finding microplastics at all trophic levels including in the birds. The results confirm that microplastics move up the food chain and accumulate in top predators, with implications for wildlife health and human consumers of fish.
The Ecotoxicological Effects of Microplastics on Trophic Levels of Aquatic Ecosystems
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Microplastics accumulate toxic pollutants on their surfaces and are ingested by organisms across aquatic trophic levels, from zooplankton to fish, enabling biomagnification of co-contaminants through food webs. This ecotoxicological chain means that human consumption of seafood carries compounded chemical exposure risks from microplastic-associated pollutants.
Occurrence and Effects of Microplastics in Lake Ecosystems: Particular Focus on Migration in Water and Food Chains
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This review synthesizes findings on microplastic occurrence, sources, and ecological effects in lake ecosystems worldwide, with a focus on how microplastics migrate through water columns and accumulate across aquatic food chains. Lakes are critical freshwater resources for drinking water and fisheries, making the documented bioaccumulation and toxicity of microplastics in lake food webs a direct public health concern.
Microplastic Contamination in Aquatic Organisms: An Ecotoxicological Perspective
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"This ecotoxicological review examined how microplastics accumulate in aquatic organisms across multiple trophic levels, documenting impacts on physiology, reproduction, and behavior, as well as the transport of associated chemical contaminants through food webs. Because humans sit at the top of aquatic food chains, the bioaccumulation dynamics described here translate directly into dietary microplastic exposure, making ecotoxicological endpoints in fish and shellfish key indicators of human health risk."
Impacts of warming and nutrient enrichment on the fate and effects of nanoplastics in a freshwater food web
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A 28-day freshwater mesocosm experiment using palladium-doped polystyrene nanoplastics showed particles accumulated primarily in biofilms (~97%), while warming significantly increased nanoplastic concentrations in fish guts and nutrient enrichment altered overall distribution patterns. These findings reveal that climate change and eutrophication compound nanoplastic hazards in freshwater food webs, threatening macroinvertebrate communities and increasing vertebrate exposure.
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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.