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Investigating the Quantity and Types of Microplastics in the Organic Tissue of Oysters and Crabs in the Indian River Lagoon
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Researchers quantified microplastics in the tissues of eastern oysters and Atlantic mud crabs collected from South Carolina estuaries, documenting plastic types and abundances in these commercially and ecologically important species and contributing to understanding human dietary exposure from consuming shellfish.
Microplastics are widespread and abundant. Few studies have examined the diversity and abundance of microplastics in wild organisms. This study determined the microplastic quantity and types in the organic tissues of the eastern oyster Crassostrea virginica and Atlantic mud crab Panopeus herbstii from the Indian River Lagoon (IRL). This study also investigated whether location affected the microplastic abundance and variety. Organisms were collected from three sites across Mosquito Lagoon in the northern IRL. Oysters were frozen after collection. Crabs were placed in containers for 5 days before freezing. The soft organic tissue was chemically digested using hydrogen peroxide, filtered, and examined for microplastics. Water samples collected from each study site had an average of 23.1 microplastic pieces per liter and fibers were the most common type. There was a significant interaction for microplastic type and site for both oysters and crabs (p
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Quantity and types of microplastics in the organic tissues of the eastern oyster Crassostrea virginica and Atlantic mud crab Panopeus herbstii from a Florida estuary
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Eastern oysters and mud crabs from a Florida estuary were found to contain microplastics in their soft tissues, with fibers as the dominant type, while water samples confirmed ongoing microplastic inputs from the surrounding watershed. The study documents microplastic bioaccumulation in both a commercially important bivalve and a key benthic predator in a US Atlantic coast estuary.
Microplastic Content in Oysters (Crassostrea virginica) from South Carolina, USA
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Researchers analyzed microplastic content in oysters, water, and sediments from four estuaries in South Carolina, USA, quantifying contamination levels across these matrices in the commercially important Eastern oyster Crassostrea virginica.
The Ecological Implication of Microplastic in Crabs from a Tropical Lagoon: Ingested Microplastic in Mud Crab Scylla serrata
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Researchers examined microplastic ingestion by crabs from a tropical lagoon in West Africa, quantifying particles found in digestive tissues and assessing ecological implications for the local ecosystem. Widespread microplastic ingestion was documented across crab species and size classes.
Occurrence of microplastics in commercial fish from a natural estuarine environment
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Researchers examined the gastrointestinal tracts of commercial fish caught from a natural estuarine environment and found microplastics in a significant proportion of individuals, documenting both occurrence rates and particle characteristics.
Microplastic prevalence, diversity and characteristics in commercially important edible bivalves and gastropods in relation to environmental matrices
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Researchers assessed microplastic abundance and characteristics in the tissues of commercially important bivalves and gastropods from the southwest coast of India, finding MPs across all five species examined and raising concerns about seafood safety.
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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.