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61,005 resultsShowing papers similar to Characterization of micro-plastics in water and sediments in Batticaloa lagoon at Kattankudy
ClearMicroplastics in Weras Ganga, Bolgoda North Lake, Sri Lanka: A Reflection of Urban Waste Mismanagement
Researchers analyzed microplastic pollution in a river and lake system near an open waste dump in Sri Lanka and found microplastics present in all water and sediment samples. Over half of the particles were fibers, and smaller microplastics dominated near the dump site, with sediments acting as a major sink for contamination. The study highlights how inadequate waste management practices directly contribute to microplastic pollution in urban waterways.
Sampling and Analysis of Microplastics in the Coastal Environments of Sri Lanka: Estuaries of the Kelani River to Mahaoya
Microplastics were found in both beach sediments and coastal seawater along 42 kilometers of Sri Lanka's western coastline, with polyethylene, polypropylene, and polystyrene being the most common types. The results document significant plastic contamination along the coast of a densely populated South Asian nation, raising concerns about exposure for coastal communities and marine life in the Indian Ocean region.
Tracing the Plastic Tide: Assessing Microplastic Abundance and Distribution along the Attanagalu River in Sri Lanka
Researchers assessed the abundance and distribution of microplastics in surface water and sediments along the Attanagalu River in Sri Lanka, identifying key pollution sources and transport pathways. The study found elevated microplastic concentrations linked to urban and agricultural land use, underscoring the role of freshwater systems in conveying terrestrial plastic pollution to the ocean.
Sampling and Analysis of Microplastics in the Coastal Environments of Sri Lanka: Estuaries of Kelani River to Mahaoya
Microplastic abundance and types were quantified in beach sediments and seawater across nine sites along 42 km of Sri Lanka's western coast, documenting widespread contamination in estuarine and coastal environments.
Microplastic pollution in Marine Protected Areas of Southern Sri Lanka
Microplastic contamination was documented in coastal and lagoon sediments and water within two Marine Protected Areas in southern Sri Lanka, indicating that even protected zones are not shielded from plastic pollution.
Evidence of microplastics pollution in coastal beaches and waters in southern Sri Lanka
Researchers found microplastic pollution along 91 km of coastline in southern Sri Lanka, with 60% of beach sand sites and 70% of surface water sites testing positive, characterizing the polymers, shapes, and colors present across the sampled coastal environments.
Microplastic Pollution of Stream Water and Sediment in a Tributary of a Major Drinking Water Supplying River in Sri Lanka
Researchers monitored microplastic pollution in stream water and sediment of a tributary feeding a major drainage system, documenting spatial patterns of contamination and identifying land use practices as key predictors of microplastic abundance in this freshwater system.
Water quality and floating microplastics pollution along Southern to Northwestern Coast, Sri Lanka
Researchers surveyed microplastic levels and water quality at 12 coastal sites along Sri Lanka's western and southern coast, finding microplastics present at all locations with fibers being the dominant form. The study also found correlations between microplastic abundance and certain water quality parameters, suggesting that areas with poorer water quality tended to have higher plastic loads. The research adds to growing evidence that South Asian coastal waters are significantly contaminated with microplastics, with potential implications for marine food webs and fishing communities.
Microplastic Content in Non-Point Source And Point Sources of Colombo And Suburbs – Experimental Study on the Impact of Seasonal Variation
Researchers measured microplastic concentrations at point and non-point source locations in Colombo, Sri Lanka, across different seasons. Microplastics were found throughout the surface water network, with concentrations varying by season and location type. The study provides valuable baseline data for a poorly studied region and highlights urban water bodies as major microplastic sources.
Initial examination of marine microplastics along Jaffna Peninsula’s coastal stretch in the Palk Strait, northern Sri Lanka
Researchers conducted the first quantitative study of marine microplastic pollution along the coastal stretch of the Jaffna Peninsula in northern Sri Lanka, sampling sediments and water in the Palk Strait to characterize particle abundance, morphology, and polymer types. The study found measurable microplastic contamination across sampled sites, extending the geographic understanding of microplastic distribution in South Asian coastal waters.
Microplastic Bioaccumulation in Corbicula sp. and Water: Allometric Relationships and Spatial Variability in selected areas of Batticaloa Lagoon and Negombo Lagoon, Sri Lanka
Researchers measured microplastic bioaccumulation in Corbicula bivalves from two Sri Lankan lagoons and derived allometric relationships to predict accumulation based on body size. They found site-specific differences in MP concentration and type, with higher contamination near areas with greater anthropogenic pressure.
Quantification and morphological characterization of plastic litter (0.30–100 mm) in surface waters of off Colombo, west coast of Sri Lanka
Surface water off Colombo, Sri Lanka, contained an average of 140 plastic items per square meter, with 99.6% classified as small microplastics under 1 mm in size. Filament-shaped plastics dominated and concentrations were highest near the most populated coastal districts, reflecting urban plastic pollution inputs.
Microplastic Contamination in Shrimps from the Negombo Lagoon—Sri Lanka
Researchers analyzed microplastic contamination in two species of shrimp from Sri Lanka's Negombo Lagoon, examining both gastrointestinal tracts and gills. The study found microplastics present in all sampled shrimp, raising concerns about human dietary exposure to microplastics through seafood consumption in coastal communities.
Characterization of microplastics and its pollution load index in freshwater Kumaraswamy Lake of Coimbatore, India
Researchers surveyed microplastic contamination in Kumaraswamy Lake in India across four seasons and found plastic particles at every sampling point. The most common types were polyethylene and polypropylene, with concentrations varying by season and location within the lake. This study provides baseline pollution data for a freshwater lake that serves local communities, highlighting how widespread microplastic contamination has become.
Present Status of Microplastic Pollution Research Data in Sri Lanka and Microplastic Risk Mitigation Solutions; Lessons from a Global Policy Context
This review synthesizes the present status of microplastic pollution research data in Sri Lanka and evaluates risk mitigation solutions within a global policy context. The paper assesses monitoring data across aquatic environments and proposes lessons from international policy frameworks to strengthen Sri Lanka's response to microplastic contamination.
Spatial and temporal trends of microplastic contamination in surface sediment of Benoa Bay: An urban estuary in Bali-Indonesia
Researchers examined microplastic contamination in sediments of Benoa Bay, an urban estuary in Bali, Indonesia, across rainy and dry seasons. The study found concentrations ranging from 9.51 to 90.60 particles per kilogram, with the highest levels near a landfill site, and polyethylene, polypropylene, and polystyrene were the most commonly identified polymers.
A preliminary assessment of microplastics in the waters and sediments of the second-largest freshwater lagoon in India
Researchers conducted a preliminary assessment of microplastics in the waters and sediments of Pulicat lagoon, India's second-largest freshwater lagoon, using microscopy, ATR-FTIR, and Micro-Raman spectroscopy, finding average microplastic abundances in surface water of 3.12 +/- 1.53 particles per sample.
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.
Occurrence, spatial distribution, and risk assessment of microplastics in surface water and sediments of Saint Martin Island in the Bay of Bengal
Researchers surveyed microplastic occurrence in surface water and sediments around Saint Martin Island in the Bay of Bengal, finding widespread contamination with spatial distribution patterns linked to tourism and fishing activities, and conducted ecological risk assessment.
Spatial distribution of microplastic concentration around landfill sites and its potential risk on groundwater
Researchers found microplastic contamination in groundwater near two municipal waste dump sites in South India, with levels ranging from 2 to 80 particles per liter. Nylon was the most common type found, making up 70% of particles, and the contamination was traced back to degrading buried plastic waste. This is concerning because many communities rely on groundwater for drinking, and these findings show landfills can be a direct source of microplastics in drinking water.
Contamination of microplastics in tropical coral reef ecosystems of Sri Lanka
Researchers investigated microplastic contamination across ten coral reef ecosystems in Sri Lanka, finding microplastics in corals, water, and sediments with fibers and fragments being the dominant types, representing a previously unquantified threat to tropical reef systems.
Microplastic Presence in Sediment and Water of a Lagoon Bordering the Urban Agglomeration of Lagos, Southwest Nigeria
This study investigated microplastic contamination in water and sediment from a lagoon bordering Lagos, Nigeria, finding plastics present at all sites. The study is the first of its kind in the area and raises concerns about how microplastic exposure affects aquatic organisms and the communities that depend on this water body for food and livelihoods.
Microplastics, their abundance, and distribution in water and sediments in North Chennai, India: An assessment of pollution risk and human health impacts
Researchers analyzed microplastic pollution in water and sediment samples from North Chennai, India, finding contamination at all sampling sites. Landfills, densely populated areas, and tourist spots had the highest concentrations, with pollution risk levels ranging from low to extremely high. The presence of microplastics in lake water used for drinking purposes is a concern for human health in the region.
Coastal Lagoon's dual role as a sink and source for microplastics: A case study from India
Researchers studied a coastal lagoon's simultaneous role as a sink accumulating microplastics and a source releasing them back to the ocean, measuring particle concentrations, types, and seasonal fluxes. The findings show that lagoons can act as important temporary reservoirs that later export microplastics during storm events.