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Spatial Comparison and Characterization of Microplastic Contamination in Blue Mussels (Mytilus Edulis) and Eastern Oysters (Crassostrea Virginica) from Nova Scotia, Canada
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Spatial Comparison and Characterization of Microplastic Contamination in Blue Mussels (Mytilus edulis) and Eastern Oysters (Crassostrea virginica) from Nova Scotia, Canada
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Researchers quantified microplastics in blue mussels and eastern oysters at 13 locations across Nova Scotia, Canada, finding average concentrations of roughly 4 particles per gram of tissue, with higher contamination near Halifax and aquaculture areas. Because mussels and oysters are widely consumed whole, these findings confirm meaningful human dietary microplastic exposure from commercially farmed and wild shellfish at concentrations associated with oxidative stress and metabolic disruption in laboratory studies.
Abundance and characterization of microplastics in wild and cultured blue mussels (Mytilus edulis) and American oysters (Crassostrea virginica) from Nova Scotia
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Researchers quantified and characterized microplastics in wild and cultured blue mussels (Mytilus edulis) and American oysters (Crassostrea virginica) from Nova Scotia, assessing how plastic contamination varies between farmed and wild bivalves in Canadian coastal waters.
Physiological impacts of microplastics on the Pacific oyster Crassostrea gigas: The role of particle size and concentration
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Laboratory experiments on Pacific oysters exposed to microplastics of varying sizes and concentrations found decreased survival rates, increased oxygen consumption, and histological damage to digestive and gill tissues, with effects scaling with concentration. Oysters are global seafood staples and efficient bioaccumulators, meaning physiological damage at environmentally relevant concentrations translates directly into concerns about both aquatic ecosystem health and the safety of oysters in the human diet.
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