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61,005 resultsShowing papers similar to Methods to characterize microplastics: case study on freshwater fishes from a tropical lagoon in Colombia
ClearMethods to characterize Microplastics: Case study on freshwater fishes from a tropical lagoon in Colombia
Researchers examined microplastic prevalence, abundance, and physical and chemical characteristics in fish from Luruaco lagoon, Colombia, conducting four sampling events using trawl nets and analyzing gastrointestinal tracts of captured individuals to characterize microplastic ingestion across species.
Identification, Abundance, and Distribution of Microplastics in Surface Water Collected from Luruaco Lake, Low Basin Magdalena River, Colombia
Researchers documented microplastic contamination in Luruaco Lake, Colombia, for the first time, assessing the identification, abundance, and seasonal distribution of microplastic particles in surface waters of this important Magdalena River basin lake.
Microplastics in water and fish of commercial interest: Distribution and relation to ecology in the colombians caribbean region, south america
Researchers evaluated microplastic contamination in surface waters and the gastrointestinal tracts of commercially important and invasive fish species along the Colombian Caribbean coast and San Andrés Island, examining the relationship between microplastic distribution and species ecology and geography.
Microplastics in water and fish of commercial interest: Distribution and relation to ecology in the colombians caribbean region, south america
Researchers evaluated microplastic contamination in surface waters and the gastrointestinal tracts of two commercially important fish species and one invasive species along the Caribbean coast of Colombia's Atlantico department and San Andres Island, relating distribution patterns to the ecology and geographic range of each species.
Microplastic pollution in water, sediments and commercial fish species from Ciénaga Grande de Santa Marta lagoon complex, Colombian Caribbean
Microplastics were detected in water, sediment, and fish from the Ciénaga Grande de Santa Marta lagoon in the Colombian Caribbean, with concentrations varying by matrix and site. The study represents an early baseline for plastic pollution monitoring in this ecologically important tropical lagoon ecosystem.
Widespread microplastic ingestion in Colombian Caribbean marine fish: Trophic influence, spatial-temporal trends, and polymer composition
Researchers examined three commercially important fish species from the Colombian Caribbean and found microplastics in over 82% of individuals across both continental and island waters. Fiber and fragment shapes were the most common types, with higher concentrations found in coastal areas and during the wet season. The findings suggest that microplastic ingestion is widespread among Caribbean fish, with potential implications for seafood consumers in the region.
Occurrence of microplastics in the gastrointestinal tract of Amazonian fish species with different feeding habits
Microplastics were found in the gastrointestinal tracts of multiple Amazonian fish species with different feeding habits from Lake Janauacá and the Anavilhanas Archipelago, with feeding strategy influencing ingestion rates—underscoring widespread microplastic contamination even in remote Amazon basin aquatic ecosystems.
Occurrence and characterization of microplastic content in the digestive system of riverine fishes
Researchers found microplastics in 93.8% of riverine fish examined, with polystyrene, polyethylene, and nylon being the most common polymer types concentrated near urban and industrial areas, and small particles (0.025-1 mm) predominating across species.
Microplastic contamination in bivalves: First assessment in three coastal lagoons of the colombian caribbean, south america
Researchers assessed microplastic contamination in bivalves from three coastal lagoons, finding that filter-feeding species readily accumulate particles from surrounding water and sediment. The study characterized particle types and polymer compositions across different lagoon environments.
Impact of contamination due to ingestion of microplastics on commercial fish in relation to their trophic habits
Researchers evaluated the ingestion of microplastics by 28 Sciaenidae and 12 Ariidae fish species from estuaries in Tumaco and Buenaventura Bay, Colombia, examining stomach contents of 1,652 specimens across high and low precipitation seasons in 2020-2021 and analyzing how trophic level and other biological characteristics influence microplastic uptake.
Microplastics in fishes in amazon riverine beaches: Influence of feeding mode and distance to urban settlements
Researchers found microplastics in the digestive tracts of 29 fish species from Amazon riverine beaches, with contamination levels influenced by fish feeding mode and distance to urban settlements within a protected area.
Pervasive Microplastic Ingestion by Commercial Fish Species from a Natural Lagoon Environment
Researchers examined microplastic contamination in the gastrointestinal tracts and gills of commercial fish species from a natural lagoon environment. Microplastics were found across all species examined, with fiber morphotypes dominant and contamination levels reflecting the lagoon's proximity to human activity and plastic pollution sources.
Identification of the composition and abundance of microplastics in the digestive tract of fish in the Banjaran River, Banyumas District
Researchers identified and quantified microplastic composition and abundance in digestive tract contents of wild-caught fish from a coastal fishery, documenting ingestion rates, polymer types, and particle morphologies across multiple commercially important species.
Differential Presence of Microplastics and Mesoplastics in Coral Reef and Mangrove Fishes in Isla Grande, Colombia
Researchers found that fish from mangrove ecosystems in the Colombian Caribbean contained higher levels of microplastics and mesoplastics than fish from coral reef environments, suggesting that habitat type significantly influences plastic ingestion rates in marine fish species.
Impacto De Los Microplásticos En Macroinvertebrados De Ecosistemas Dulceacuícolas En Colombia: Una Revisión De Literatura De La Última Década
This review compiled 10 years of scientific literature on microplastic impacts on freshwater macroinvertebrates in Colombia, finding that despite the environmental importance of these organisms, MP research in Colombian freshwater systems is scarce compared to marine studies. The review called for expanded monitoring and experimental research on MP effects in Colombian rivers and lakes.
Microplastic abundance and composition along an anthropogenic pressure gradient in an Andean river (Colombia)
Researchers surveyed microplastic abundance across an altitudinal gradient in a Colombian Andean river, finding highest concentrations in downstream urban and agricultural zones, with fibers and polypropylene dominating across water, sediment, and fish samples—the first report of microplastics in freshwater fish from the Tolima region.
Ecological traits do not predict the uptake of microplastics by fishes in a Neotropical River
Researchers found that ecological traits such as feeding guild, habitat use, and body size do not reliably predict microplastic uptake in fish species from a Neotropical river, suggesting contamination patterns are driven more by local environmental conditions than by species-specific biology.
Dinámica temporal de los hábitos tróficos e incidencia de microplásticos en bagres (Ariidae) en la bahía de Buenaventura, Pacífico colombiano
Four species of catfish in Colombia's Buenaventura Bay were found to have ingested microplastics, with rates of 9–13% across species and higher ingestion in adults during the rainy season. The finding that commercially harvested fish in a bay heavily used for artisanal fishing contain microplastics raises direct food safety concerns for the coastal communities that depend on these species as a primary protein source.
Habitat Integrity and Microplastic Contamination in Amazonian Streams: Assessment of Water, Sediment, and Fish and Identification of Predominant Polymers
Researchers assessed microplastic contamination in Amazonian streams by sampling water, sediment, and fish, and characterised predominant polymer types, finding that contamination was widespread across all environmental compartments regardless of habitat integrity, suggesting that even well-preserved stream habitats are not protected from microplastic pollution.