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The occurrence of pollutants in organisms and water of inland mariculture systems: Shrimp aquaculture is a procession of Microplastics accumulation
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This study examined microplastic contamination in water and shrimp at different stages of both pond-based and industrial inland aquaculture systems, finding that shrimp accumulated microplastics throughout the production cycle. The results establish shrimp aquaculture as a notable pathway for microplastic transfer into the food supply.
Microplastics (MPs) pollution in the ocean was widely concerned, but the current study on MPs pollution in the mariculture system is relatively lacking. This study researched the MPs pollution characteristics in water and shrimp at different stages of the pond and industrial aquaculture. The study shows that in the same aquaculture stage, MPs abundance in shrimp and water in pond aquaculture mode is higher than that in industrial aquaculture mode. The MPs pollution characteristics in shrimp and water show significant consistency. The hazard index of MPs in pond water and industrial models are 122 (Level Ⅲ) and 540 (Level Ⅲ), respectively, indicating that industrial aquaculture models may suffer from more severe MPs stress. The aquaculture period and mode significantly affected the MPs abundance of water and shrimp, but there was no interaction between the aquaculture period and mode. MPs abundance in shrimp show a significant relationship with the length of crustacean and weight. This study further enhanced the understanding of MPs pollution of water and organisms in different aquaculture modes at different stages, and warned MPs is widely spread in mariculture systems.
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A critical review of microplastics in the shrimp farming environment: Incidence, characteristics, effects, and a first mass balance model
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This review provides the first mass balance model for tracking how microplastics flow through shrimp farming systems, from water and feed inputs to accumulation in shrimp tissues and sediments. Researchers found that microplastics can act as carriers for other contaminants and accumulate in shrimp at levels that may pose risks to consumers. The study identifies critical knowledge gaps in understanding how aquaculture practices contribute to microplastic contamination in farmed seafood.
Temporal variability of microplastics in shrimp (Litopenaeus vannamei), feed, water and sediments of coastal and inland culture ponds
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This study tracked microplastic contamination in farmed shrimp, their feed, water, and pond sediment across 12 shrimp farms in India over a four-month growing period. Microplastics were found in over 93% of shrimp samples, with feed identified as the primary source of contamination. Since shrimp are one of the most widely consumed seafood products globally, these findings raise concerns about microplastic exposure for consumers.
Effects of microplastics and nanoplastics in shrimp: Mechanisms of plastic particle and contaminant distribution and subsequent effects after uptake
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This review summarizes how microplastics and nanoplastics affect shrimp, which are an important food source for humans. The tiny plastic particles can carry harmful chemicals and pathogens into shrimp tissue, which then move up the food chain when people eat contaminated seafood. The findings highlight concerns about plastic pollution in aquaculture and its indirect effects on human health through the food we eat.
Abundance, characteristics and ecological risk assessment of microplastics in ship ballast water in ports around Liaodong Peninsula, China
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This study assessed microplastic abundance, characteristics, and ecological risk in shrimp aquaculture environments, finding that farming activities introduce and accumulate microplastics in pond sediments and water that pose risk to cultured organisms.
Farmed stage (age)-dependent accumulation and size of microplastics in Litopenaeus vannamei shrimp reared in a super-intensive controlled system
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Researchers tracked microplastic accumulation in farmed shrimp over their entire growth cycle and found that both the number and size of microplastic particles increased as the shrimp grew older. Shrimp raised in super-intensive indoor systems had higher microplastic contamination than those from traditional ponds or wild environments, likely due to the extensive plastic materials used in the farming infrastructure. Since shrimp is widely consumed seafood, these findings mean that people eating farmed shrimp are likely consuming microplastics that accumulated throughout the animals' lives.
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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.