Papers

61,005 results
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Article Tier 2

A first step to assess suspended microplastics in a freshwater wetland from the coastal region of Ecuador

Researchers conducted the first assessment of suspended microplastics in La Segua wetland in Ecuador, a Ramsar-designated site threatened by agricultural and aquaculture pressures, evaluating potential risks to filter-feeding organisms in aquatic food webs.

2023 Frontiers in Environmental Science 12 citations
Article Tier 2

Microplastics in sediments of artificially recharged lagoons: Case study in a Biosphere Reserve

Microplastics were found in sediments of shallow wetland lagoons in Spain, with wastewater-receiving lagoons having higher concentrations and more fibers and fragments. The study suggests that even protected wetlands declared UNESCO Biosphere Reserves are accumulating microplastic pollution from agricultural and urban water sources.

2020 The Science of The Total Environment 50 citations
Article Tier 2

Plastic pollution in a special protected area for migratory birds

This study measured plastic pollution — including microplastics — in a special protected area designated for migratory birds, finding widespread contamination despite the area's protected status. The presence of plastics poses ingestion and entanglement risks to bird species that rely on the habitat.

2024 The Science of The Total Environment 8 citations
Article Tier 2

Microplastics pollution in the South American Pantanal

Researchers sampled microplastics in the affluents and floodplains of the South American Pantanal wetland ecosystem, documenting this emerging threat to one of the world's largest tropical floodplains near urban pollution sources and in remote lowland areas.

2021 Case Studies in Chemical and Environmental Engineering 31 citations
Article Tier 2

Abundance, morphology and chemical composition of microplastics in sand and sediments from a protected coastal area: The Mar Menor lagoon (SE Spain)

Microplastics were found throughout sand and sediments of the Mar Menor lagoon in southeastern Spain, a protected coastal wetland, with concentrations and polymer types varying by location and depth. The study documents that even legally protected coastal habitats are not shielded from microplastic contamination, raising concerns for the lagoon's fragile ecosystem.

2019 Environmental Pollution 157 citations
Article Tier 2

Presencia de microplásticos en cuatro playas arenosas de Perú

Microplastic fragments were found on four sandy beaches along the Peruvian coast, with the most contaminated beach having over 500 fragments per square meter. The findings document microplastic contamination in South American Pacific coastal environments where little prior data existed.

2017 Revista Peruana de Biología 52 citations
Article Tier 2

Microplastics (MPs) distribution in Surface Sediments of the Freidounkenar Paddy Wetland

Researchers documented microplastic contamination for the first time in the sediments of Freidounkenar International Wetland in northern Iran, finding 1,368 MP/kg with fibers and fragments dominating, posing a risk to migratory bird habitat.

2022 Environmental Pollution 24 citations
Article Tier 2

Distribution of microplastics in the catchment region of Pallikaranai marshland, a Ramsar site in Chennai, India

Researchers analyzed microplastic distribution in surface water and sediments of the Pallikaranai marshland, a Ramsar-designated wetland in Chennai, India, finding significant contamination in this ecologically sensitive freshwater ecosystem that serves as an important urban biodiversity hotspot.

2022 Environmental Pollution 28 citations
Article Tier 2

Microplásticos en tres playas del corredor turístico del norte, Piura, Perú

Researchers estimated the abundance, characteristics, and types of microplastics on three beaches along the northern tourist corridor of Piura, Peru, characterising the size, colour, and polymer types of particles found in beach sediments to assess contamination levels in this coastal region.

2025
Article Tier 2

Microplásticos en sedimentos fluviales en la cuenca baja del río Rímac, Perú

This study investigated microplastics in sediments of Peru's lower Rímac River basin, one of the first such studies in that watershed. Researchers found microplastics throughout the river system, driven by poorly managed plastic waste and industrial and domestic effluents that end up in the waterway.

2023 Espacio y Desarrollo 1 citations
Article Tier 2

Plastic pollution in freshwater ecosystems: macro-, meso-, and microplastic debris in a floodplain lake

Researchers surveyed macro-, meso-, and microplastic debris in a South American floodplain lake and found an average of 704 microplastic particles per square meter in sediments, with plastic contamination comparable to marine beaches — demonstrating that freshwater lakes can be major plastic pollution reservoirs.

2017 Environmental Monitoring and Assessment 308 citations
Article Tier 2

Pollution by microplastic in highly crowded sandy beaches in Lima, Peru

Researchers surveyed microplastic contamination at three heavily visited sandy beaches in Lima, Peru, finding fragments and fibers of polypropylene and polyethylene as the most common particles, with abundance varying by season and beach characteristics.

2023 Environmental Quality Management 7 citations
Article Tier 2

Preliminary Assessment of Plastic Litter and Microplastic Contamination in Freshwater Depositional Areas: The Case Study of Puerto Misahualli, Ecuadorian Amazonia

Researchers conducted a preliminary assessment of plastic litter and microplastics in sediments at a riverine depositional area in the Ecuadorian Amazon, finding low-density polyethylene bags as the dominant macroplastic and documenting microplastic presence in an upper Amazon basin location.

2021 Bulletin of Environmental Contamination and Toxicology 30 citations
Article Tier 2

[Pollution Characteristics of Microplastics in Migratory Bird Habitats Located Within Poyang Lake Wetlands].

Researchers found microplastics in surface water, sediment, and the droppings of migratory birds at a Chinese wetland lake, raising concerns about how birds can transport microplastics across long distances. The study suggests that migratory birds may be spreading plastic contamination between distant habitats.

2019 PubMed 22 citations
Article Tier 2

Evaluation of Atmospheric Microplastic Presence at the UPC Villa Campus, Chorrillos District, Lima – Peru

Researchers evaluated atmospheric microplastic deposition at the UPC Villa Campus in Lima, Peru, finding measurable microplastic concentrations in air samples from this urban environment. The study contributes early regional data on airborne microplastic transport and deposition dynamics in South American urban settings.

2025 Repositorio Académico UPC (Universidad Peruana de Ciencias Aplicadas)
Article Tier 2

Abundance and characterization of microplastic pollution in the wildlife reserve, Ramsar site, recreational areas, and national park in northern Jakarta and Kepulauan Seribu, Indonesia

This is the first study to measure microplastic pollution in sediments across protected areas near Jakarta, Indonesia, including a wildlife reserve, a Ramsar wetland site, and a marine national park. Microplastics were found at all locations, with higher concentrations closer to human activity and during the dry season. The results suggest that even designated conservation areas are not spared from microplastic contamination.

2023 Chemosphere 15 citations
Article Tier 2

Microplásticos en sedimentos fluviales en la cuenca baja del río Rímac, Perú

Microplastics were detected in river sediments from the lower Rímac River basin in Peru, with concentrations linked to upstream urban and industrial plastic waste that enters the river system without adequate treatment.

2023 Dialnet (Universidad de la Rioja)
Article Tier 2

Microplastic contamination in three environmental compartments of a coastal lagoon in the southern Gulf of Mexico

Researchers documented microplastic contamination in water, sediment, and tiny marine animals in a protected lagoon in Mexico's Gulf coast. Even though the site has protected status, microplastics were found in all three environmental compartments, with polyester and acrylic fibers being the most common types. The study shows that even remote, protected waterways are not immune to microplastic pollution.

2024 Environmental Monitoring and Assessment 15 citations
Article Tier 2

A first assessment of microplastic abundance in sandy beach sediments of the Paranaguá Estuarine Complex, South Brazil (RAMSAR site)

Researchers conducted the first assessment of microplastic abundance in sandy beach sediments at 19 sites within the Paranaguá Estuarine Complex in South Brazil, finding 398 microplastic particles dominated by foam, hard fragments, and paint chips across this ecologically sensitive RAMSAR-listed wetland.

2022 Marine Pollution Bulletin 36 citations
Article Tier 2

Existence of Microplastic as Pollutant in Harike Wetland: An Analysis of Plastic Composition and First Report on Ramsar Wetland of India

This first-ever study of microplastics in Harike Wetland, India's largest northern wetland and a Ramsar-designated protected site, found plastic particles throughout the water and sediment. The contamination of this internationally recognized conservation area highlights that even protected freshwater ecosystems are not shielded from microplastic pollution.

2021 Current World Environment 14 citations
Article Tier 2

Tracing microplastics in environmental sources and migratory shorebirds along the Central Asian Flyway

Researchers tracked microplastic contamination along migratory bird routes in central Asia, testing mudflats, mangroves, and the birds themselves. They found microplastics in both the environment and the digestive tracts of shorebirds, showing that these pollutants are moving through coastal food webs and may be carried across continents by migrating birds.

2025 Marine Pollution Bulletin 11 citations
Article Tier 2

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.

2023 Water 36 citations
Article Tier 2

Silent contaminants in a vanishing wetland: microplastics and their ecological risks in the Gavkhoni Wetland sediments

Microplastics and other contaminants were detected in a rapidly disappearing wetland, documenting plastic pollution in a fragile ecosystem facing both habitat loss and chemical contamination. The study raises concerns about cumulative stressors threatening wetland biodiversity.

2025 Environmental Geochemistry and Health 1 citations
Article Tier 2

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.

2025 Anais da Academia Brasileira de Ciências