We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Biochemical responses and ingestion of microplastics by native fishes in the Atlantic Forest, southern Brazil
AI summary
Researchers assessed fish health along a contamination gradient in Brazil's Atlantic Forest and found that microplastic accumulation was highest in carnivorous fish at impacted midstream sites, while biochemical stress markers were elevated even in upstream areas considered relatively pristine, underscoring the need for ongoing biomonitoring.
More Papers Like This
Ingestion of Microplastic by Fish of Different Feeding Habits in Urbanized and Non-urbanized Streams in Southern Brazil
AI summary Read the abstract
Researchers found that fish in urbanized streams in southern Brazil were significantly more likely to have ingested microplastic fibers than fish in non-urbanized streams, and that omnivorous species faced the highest exposure risk. This highlights how urban development drives microplastic contamination into freshwater food chains long before particles reach the ocean.
Evaluation of Microplastic Pollution in Gills of Freshwater Fish in a Neotropical Hydrographic Basin, Brazil
AI summary Read the abstract
Analysis of gill tissue from 98 freshwater fish across eight species in Brazil's Sorocaba River basin found microplastics in every individual, with fibers comprising 74% of the 385 particles detected and highest contamination in the most disturbed river. The universal gill contamination across species demonstrates that freshwater fish in human-impacted watersheds serve as a direct route for microplastic entry into aquatic food webs and ultimately human diets.
Does deforestation contribute to microplastic contamination in stream fish in the Southwestern Amazon?
AI summary Read the abstract
A study of 584 fish from 20 Amazon streams found that fish in deforested areas ingested significantly more microplastics than those in forested watersheds, with feeding strategy and seasonal flooding also influencing exposure. Deforestation not only threatens biodiversity directly but also increases wildlife exposure to plastic pollution, compounding the ecological damage of forest loss.
Microplastics in Brazilian aquatic ecosystems and seafood: An updated review
AI summary Read the abstract
This review pulls together 100 studies to show that Brazil's rivers, bays, and coastal waters are widely contaminated with tiny plastic particles called microplastics, mostly from clothing fibers and packaging. Seafood like fish, shellfish, and crustaceans are absorbing these particles, sometimes in huge amounts, which raises real concerns for anyone eating fish from these waters. The bigger picture: plastic pollution levels swing a lot depending on rainfall and tourist seasons, and scientists still need better, more consistent testing methods to fully understand how much risk this poses to human health.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.