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61,005 resultsShowing papers similar to Plastic pollution in marine ecosystems: spatiotemporal assessment in beach sediments of protected coastal areas
ClearPlastic litter pollution along sandy beaches in the Caribbean and Pacific coast of Colombia
Researchers surveyed plastic litter pollution on 43 beaches along Colombia's Caribbean and Pacific coasts, documenting the types and quantities present and calling for locally adapted management strategies.
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.
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.
Microplastic pollution on sandy beaches of Puerto Rico
Researchers sampled sand from six northern beaches of Puerto Rico to determine microplastic abundance and composition, documenting the extent of microplastic pollution on Caribbean island coastal beaches that are considered biodiversity hotspots.
Novel methodology approach for assessing microplastic distribution in marine habitats along the Spanish Western Mediterranean coast
Researchers developed an innovative integrative methodology to assess spatiotemporal variation in microplastic abundance across sea surface and sediment habitats along the Spanish Western Mediterranean coast from 2017 to 2024, characterising distribution patterns at multiple spatial scales.
Spatial distribution and increase of microplastics over time in sediments of Buenaventura Bay, Colombian Pacific
Microplastic concentrations in sediment cores from Buenaventura Bay in Colombia increased substantially over time from the 1980s to the present, with depth profiles reflecting the history of regional plastic use, and current surface sediment concentrations among the highest reported for South American coastal systems.
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.
Effects of distance to the sea and geomorphological characteristics on the quantity and distribution of microplastics in beach sediments of Granada (Spain)
Researchers characterized microplastic pollution on three beaches along the Granada coast of Spain, examining how distance from the sea and geomorphological features influence microplastic quantity and polymer composition in beach sediments. The study establishes regional baseline contamination levels and identifies spatial distribution patterns relevant to national and EU marine pollution directives.
Contaminação e toxicidade de microplásticos em uma área de proteção marinha costeira
This Brazilian study assessed microplastic contamination and toxicity in a coastal marine protected area, finding that sandy beaches accumulate plastic particles carried in by the ocean. The research highlights that even protected coastal zones are not immune to microplastic pollution, which can be ingested by marine wildlife and enter food webs.
Microplastic and tar pollution on three Canary Islands beaches: An annual study
Researchers monitored large microplastics, mesoplastics, and tar pollution across three exposed Canary Islands beaches for a full year, finding great spatial and temporal variability in debris concentrations driven by seasonal patterns and local oceanographic conditions.
Characterization of microplastic pollution along the North Catalan coast: distribution and impacts
Researchers characterized microplastic pollution distribution and impacts along the North Catalan coast, examining vulnerable habitats including Posidonia oceanica seagrass meadows, sandy bottoms, and pelagic ecosystems to assess threats to marine biodiversity, carbon sequestration, and ecosystem services.
Mapping microplastic overlap between marine compartments and biodiversity in a Mediterranean marine protected area
Researchers mapped microplastic distribution across water, sediment, and biota in a Mediterranean marine protected area, revealing significant overlap between microplastic hotspots and biodiversity-rich zones, raising concerns about ecological impacts in supposedly protected habitats.
Microplastic pollution in sublittoral coastal sediments of a North Atlantic island: The case of La Palma (Canary Islands, Spain)
Researchers found microplastic contamination in sublittoral coastal sediments at 5-7 m depth around La Palma island in the Canary Islands, with concentration varying by sampling location and depth within sediment cores.
Microplastic Occurrence in Relation to Sediment Granulometry Along the Central Caribbean Coast of Colombia
Scientists found tiny plastic pieces in beach sand along Colombia's coast, with amounts similar to polluted beaches worldwide. The type of sand affects how much plastic builds up - beaches with certain sand textures tend to collect more plastic pollution. This matters because microplastics can enter the food chain through sea life and potentially affect human health when we eat contaminated seafood.
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.
Spatiotemporal distribution of microplastic debris in the surface beach sediment of the southeastern coast of Bangladesh
A spatiotemporal analysis of microplastics in beach sediments across 7 coastal sites in Bangladesh found an average concentration of 242 particles per kilogram dry weight, with significant seasonal and spatial variation driven by monsoon patterns and proximity to urban areas.
Microplastics in the Mediterranean Sea: Deposition in coastal shallow sediments, spatial variation and preferential grain size
Researchers sampled Mediterranean coastal shallow sediments and found microplastics throughout, with concentrations and polymer types reflecting land-based inputs and showing that coastal sediments are a significant regional reservoir for plastic debris.
Effects of microplastics pollution on the abundance and composition of interstitial meiofauna
Researchers found that microplastic accumulation in beach sediments negatively affected the abundance and community composition of meiofauna at lower intertidal levels on urban Colombian beaches, with microplastics explaining 39% of community variation in the most heavily impacted zone.
Spatiotemporal distribution of microplastic debris in the surface beach sediment of the southeastern coast of bangladesh
Researchers assessed the spatiotemporal distribution of microplastic debris in surface beach sediments along approximately 240 kilometers of the southeastern Bangladeshi coast, sampling seven beaches from Kumira to Teknaf across monsoon and winter seasons to characterize seasonal and spatial pollution patterns.
Abundance, 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.
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.
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.
Are seafloor habitats influencing the distribution of microplastics in coastal sediments of a Marine Protected Area?
Researchers examined whether seafloor habitat type influences microplastic distribution in coastal sediments of the Cabrera Marine National Park, finding that habitat structure and hydrodynamic conditions at protected sites affect microplastic accumulation patterns even within a marine protected area.
A baseline study of meso and microplastic predominance in pristine beach sediment of the Indian tropical island ecosystem
Researchers conducted a baseline survey of meso- and microplastic contamination on beaches of the Andaman and Nicobar Islands in India, finding plastic debris present even in these relatively remote tropical island ecosystems, with fragments and films being the most common types.