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61,005 resultsShowing papers similar to Seasonal analysis of microplastic concentration on the surface of the Guartinaja water body, Bajo Sinú Wetland Complex
ClearAbundance, distribution, and characteristics of microplastics in coastal surface waters of the Colombian Caribbean and Pacific
This study documented microplastic abundance, distribution, and characteristics across Colombian Caribbean and Pacific coastal surface waters during the 2017 rainy season, finding concentrations up to 8.96 items per square meter and establishing the first national baseline for microplastic pollution in Colombian coastal waters.
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.
Seasonal variation in plastic litter pollution in mangroves from two remote tropical estuaries of the Colombian Pacific
Researchers found that plastic litter in two remote Colombian Pacific mangrove estuaries was dominated by microplastics, with higher abundances during high-rainfall seasons in both surface waters and sediments, and foams and fragments being the most common types.
Temporal variability of plastic litter in two sand beaches of San Andres Island, Colombian Caribbean
Beach surveys on San Andres Island in the Colombian Caribbean over three seasons found that microplastic fragments dominated plastic litter across both beaches, with the highest totals occurring during the dry season. The seasonal and spatial patterns suggest that ocean currents and tourism activity both contribute to contamination, and the findings highlight ongoing plastic pollution pressures on a biodiverse Caribbean island ecosystem.
Coastal populations and river discharges as sources of microplastic pollution of the Ciénaga Grande de Santa Marta, Colombian Caribbean
Researchers investigated microplastic contamination in surface waters of the Ciénaga Grande de Santa Marta coastal lagoon in Colombia and assessed the contribution of coastal populations and river discharges as pollution sources. MPs were detected throughout this internationally protected Ramsar site, with proximity to populated areas and river inputs driving spatial variation in contamination.
Marine litter and microplastic pollution on mangrove soils of the Ciénaga Grande de Santa Marta, Colombian Caribbean
Researchers assessed marine litter and microplastic contamination in mangrove soils of Colombia's largest coastal lagoon system for the first time. They found significantly higher litter concentrations near populated areas, with plastics comprising up to 96% of all debris, and microplastic levels varying widely across sampling sites. The study highlights the link between inadequate waste management in coastal communities and microplastic accumulation in ecologically important mangrove habitats.
Spatial distribution and increase of microplastics over time in sediments of Buenaventura Bay, Colombian Pacific
This study tracked changes in microplastic contamination in sediments of Buenaventura Bay in Colombia over time, finding that levels have increased and that the types and distribution vary spatially. The findings document a growing plastic pollution problem in a major Pacific port city.
Incremento de la contaminación por microplásticos en aguas superficiales de la bahía de Buenaventura, Pacífico colombiano
Researchers measured microplastic concentrations in surface waters of Buenaventura Bay on Colombia's Pacific coast and found levels had increased compared to earlier surveys. Fibers were the most common type, likely from textile washing and fishing activities in the region. This is one of few studies documenting microplastic pollution on Colombia's Pacific coast.
Microplastic resin pellets on an urban tropical beach in Colombia
Researchers reported the first detection of microplastic resin pellets on a Caribbean beach in Cartagena, Colombia, finding pellets across all sampling periods during both dry and rainy seasons with surface analysis revealing chemical weathering signatures. The findings establish a baseline for microplastic pollution monitoring in a region with limited prior data.
Microplastics and plastisphere at surface waters in the Southwestern Caribbean sea
Researchers surveyed microplastic pollution at the surface waters of two marine-coastal areas in the Southwestern Caribbean Sea across wet and dry seasons. The study found higher microplastic concentrations during the rainy season, likely due to increased runoff carrying land-based plastic waste into the ocean. Evidence indicates that seasonal weather patterns and local land use significantly influence microplastic distribution in coastal marine environments.
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.
Assessing microplastic pollution along the Caribbean coast of La Guajira, Colombia
Researchers conducted the first assessment of microplastic pollution along 125 km of the Caribbean coast of La Guajira, Colombia. They found microplastics at four of seven beaches sampled, with filaments from fishing activities predominating and polymers primarily consisting of polypropylene, polyethylene, and polystyrene.
Invisible Footprints: Exploring Microplastic Pollution in the Colombian Caribbean Sea
Researchers documented microplastic contamination throughout the surface and mid-waters of the Colombian Caribbean, detecting plastic particles in every single water sample collected across 16 stations in two departments. Concentrations were higher near the coast and in areas with strong river influence, with fibers and fragments of PET and polypropylene most common, and several rare high-risk polymers also detected. As one of the first systematic studies of its kind in this region, the work establishes baseline data for a relatively understudied stretch of the Caribbean and identifies urban river inputs as a key contamination driver.
Microplastics of surface waters of Colombian Caribbean
Researchers collected and characterized microplastics from the surface waters of two Colombian Caribbean sectors influenced by major rivers, sampling across dry and rainy seasons and also analyzing the microbial communities living on the plastic surfaces. The study provides baseline pollution data for a region where microplastic research has been minimal, while the metagenomic analysis of plastisphere microbes adds ecological context. Understanding which microbes colonize plastic in tropical Caribbean waters is relevant to assessing whether those particles serve as vectors for harmful or antibiotic-resistant bacteria.
Influencia de las condiciones ambientales sobre la distribución y tipos de microplásticos en aguas superficiales en la bahía de Tumaco, Pacífico colombiano
Researchers assessed the spatiotemporal influence of environmental variables on microplastic abundance and distribution in the surface waters of Tumaco Bay, Colombian Pacific, during wet and dry seasons in 2020. Microplastic abundance was higher in the dry season (11.40 items/m3) and the inner estuary (8.42 items/m3), fibers were dominant (53.89%), and salinity and total dissolved solids were significantly correlated with fiber concentrations.
Microplastics pollution on Colombian Central Caribbean beaches
Researchers conducted a baseline survey of microplastic contamination on Colombia's Central Caribbean Coast beaches, documenting MP types, sizes, and polymer compositions for the first time in that region and finding primarily secondary microplastics from fragmented larger debris.
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.
The impact of tourism on marine litter pollution on Santa Marta beaches, Colombian Caribbean
Tourism significantly increased litter pollution on beaches in Santa Marta, Colombia, with plastics making up 30-77% of macroplastic waste and microplastics ranging from 1 to 355 items per square meter during peak tourist season. Local residents identified tourism as the primary source, highlighting the need for better waste management and public education at coastal destinations.
Presence of microplastics: Impacts in a marine-coastal environment of the Colombian Caribbean
Researchers surveyed microplastic presence in a marine-coastal environment in Colombia, characterizing particle abundance, polymer types, and size distribution in water and sediment samples. Fibres dominated the samples, with polyester and nylon the most common polymers, pointing to synthetic textile washing as a key local source.
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.
Characterization of Microplastics and Mesoplastics and Presence of Biofilms, Collected in the Gualí Wetland Cundinamarca, Colombia
Researchers collected plastic debris from a Colombian wetland and found both mesoplastics and microplastics made of polymers including polyethylene and polypropylene, with biofilms of potentially pathogenic microorganisms colonising their surfaces. The plastisphere — the microbial community on plastic surfaces — poses a dual hazard: the plastic particles themselves stress aquatic organisms, while the biofilms can serve as vectors for harmful bacteria in freshwater ecosystems.
Microplastic pollution in coastal areas of Colombia: Review
This review summarized the state of microplastic research in Colombia's coastal areas, finding that Caribbean coasts are most contaminated with secondary polypropylene and polyethylene microplastics in sediments, and that 7% of 302 fish species sampled contained microplastics, while noting a lack of standardized methods across studies.
Spatio-seasonal microplastics distribution along a shallow coastal lagoon ecocline within a marine conservation unit
Researchers conducted monthly sampling along a shallow coastal lagoon ecocline in a Brazilian marine conservation unit and found seasonal variation in microplastic abundance driven by rainfall and river inputs, with polyethylene and polypropylene fibers and fragments dominating the samples.
Methods to characterize microplastics: case study on freshwater fishes from a tropical lagoon in Colombia
Fish from Colombia's Luruaco Lagoon contained microplastics with prevalence, abundance, and polymer characteristics analyzed across four sampling events, with principal component analysis linking MP types to feeding ecology and habitat use of the different species.