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61,005 resultsShowing papers similar to Comparative study on the status of microplastics in different functional areas of Tuticorin, Southeast coast of India
ClearSeasonal and spatial variations in the distribution pattern, sources and impacts of microplastics along different coastal zones of Tamil Nadu, India
Surveys of four coastal zones in Tamil Nadu, India found microplastics in both sediments and water at all sites, with the highest concentrations during the monsoon season when river runoff carries more plastic waste into the ocean. The researchers identified 16–23 different polymer types per season and found that weathered particles were carrying hazardous heavy metals on their surfaces. The study provides one of the most detailed spatiotemporal profiles of coastal microplastic contamination in India, underscoring the need for urgent pollution control measures in heavily populated coastal regions.
Linking the Tourism Activity to the Occurrence and Distribution of Microplastics
Researchers assessed microplastic abundance, type, and spatial distribution in coastal water, sediments, and fish across three zones of Gili Trawangan, Indonesia, finding that tourism-related activities concentrated microplastics at recreational beaches with concentrations reaching 19.25 particles/L.
Spatial, seasonal and ecological risk assessment of microplastics in sediment and surface water along the Thoothukudi, south Tamil Nadu, south east India
Researchers assessed the spatial and seasonal variation of microplastics in sediment and surface water along the Thoothukudi coast in southeastern India. The study found significant differences in microplastic abundance across sampling sites and seasons, with monsoon periods recording the highest concentrations, and conducted an ecological risk assessment of the contamination levels.
Macro-, meso- and microplastic debris in the beaches of Tuticorin district, Southeast coast of India
Researchers surveyed eight sandy beaches along the Tuticorin district coast in southeast India for macro-, meso-, and microplastic debris. The study found microplastic concentrations ranging from 25 to 83 items per square meter, with contamination levels varying by site depending on the intensity of fishing and other human activities, confirming widespread plastic pollution along India's southeastern coastline.
Microplastics pollution in tropical estuary (Muttukadu Backwater), Southeast Coast of India: Occurrence, distribution characteristics, potential sources and ecological risk assessment
Scientists surveyed microplastic contamination in the water and sediments of a tropical estuary on India's southeast coast. They found moderate to high levels of microplastic pollution, with common polymers like polyethylene and polystyrene contributing the most to ecological risk. The presence of trace metals on microplastic surfaces suggests these particles may also serve as carriers for heavy metal contamination in coastal ecosystems.
Occurrence and characteristics of microplastics in the coral reef, sea grass and near shore habitats of Rameswaram Island, India
Researchers compared microplastic occurrence and characteristics alongside heavy metal contaminants in water and sediment across coral reef, seagrass, and nearshore habitats of Rameswaram Island, India, finding mean concentrations ranging from 24 to 96 items/L and identifying habitat-specific differences in contamination profiles.
Occurrence of microplastics in epipelagic and mesopelagic fishes from Tuticorin, Southeast coast of India
Researchers investigated microplastic contamination in seawater and six fish species from different ocean depth habitats near Tuticorin, India. The study found microplastics in the gastrointestinal tracts of both epipelagic and mesopelagic fish, with contamination levels varying by species and habitat, suggesting that microplastic exposure extends across different marine depth zones and could affect human exposure through seafood consumption.
Ecological footprint of microplastics in coastal and estuarine environments of India: Sediment-water interface analysis
This study mapped microplastic pollution across 16 coastal and estuarine sites along India's coastline, finding contamination everywhere with concentrations varying based on local human activities like port operations, tourism, and fishing. The microplastics were mostly small fibers and fragments under 500 micrometers, and certain plastic types were especially good at absorbing heavy metals. This means microplastics in coastal waters serve as carriers that can transport toxic metals into the seafood chain and ultimately into human diets.
Microplastic prevalence in the beaches of Puducherry, India and its correlation with fishing and tourism/recreational activities
A survey of six beaches on India's Puducherry coast found microplastic concentrations averaging 72 particles per 100g of sediment, with a strong positive correlation between fishing activity and microplastic abundance, but no significant relationship with recreational tourism. The findings suggest that fishing-related plastic waste is a more important local source of beach microplastic contamination than tourism activities.
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.
Distribution of Microplastics in Coastal Waters and Their Implications for the Marine Food Chain
Researchers sampled surface water, sediments, and marine organisms from urban, industrial, and conservation coastal zones in Indonesia to assess microplastic distribution and food chain implications. Industrial zones had the highest microplastic concentrations, and filter feeders accumulated more particles than fin fish, indicating distinct exposure pathways through the marine food web.
The extent of microplastic pollution along the eastern coast of India: Focussing on marine waters, beach sand, and fish
Researchers assessed microplastic contamination across water, sand, and fish from seven major beaches along India's eastern coast, finding widespread pollution dominated by polyethylene and polystyrene with hazard indices indicating potential ecological risk.
Estimation of microplastics in sediments at the southernmost coast of India (Kanyakumari)
This study estimated microplastic abundance in beach sediments at Kanyakumari, the southernmost tip of India, finding higher concentrations at harbors and tourist areas compared to residential fishing communities. The results indicate that both recreational activity and harbor operations are significant sources of microplastic accumulation on Indian beaches.
Identification, Abundance, and Chemical Characterization of Macro-, Meso-, and Microplastics in the Intertidal Zone Sediments of Two Selected Beaches in Sabah, Malaysia
Researchers identified and characterized macro-, meso-, and microplastics in intertidal sediments of two beaches in Sabah, Malaysia, finding significant plastic contamination with heavy metal associations that pose potential ecological risks to coastal environments.
Microplastic pollution along the coastal island shorelines of Bangladesh: Distribution, patterns, and abundance
This study characterized microplastic pollution on coastal island shorelines of Bangladesh, measuring particle abundance, types, shapes, and polymer composition across sites with different human use intensities. Tourist and fishing beaches showed the highest contamination, with fishing-related plastics dominating.
Holistic assessment of microplastics in various coastal environmental matrices, southwest coast of India
A comprehensive assessment of microplastic pollution along the southwest coast of India analyzed multiple environmental matrices including water, sediments, and biota, finding plastic contamination throughout coastal systems. The holistic approach revealed how microplastics move through coastal food webs and identified fishing and tourism activities as key local sources.
Microplastic contamination in Kerala's coastal ecosystems: a review of sources, distribution, and ecological implications
Researchers reviewed microplastic contamination in Kerala's coastal waters and sediments, finding concentrations as high as 200 particles per liter in some areas, with pollution disrupting mangrove and coral reef ecosystems, entering the food chain through seafood, and posing inflammation and endocrine disruption risks to humans.
Microplastic pollution and its implicated risks in the estuarine environment of Tamil Nadu, India
Researchers investigated microplastic pollution across 19 estuaries in Tamil Nadu, India, measuring contamination in water, sediment, and marine organisms. They found microplastic levels were higher during monsoon season due to stormwater discharge, and estimated that local residents may ingest approximately 781 microplastic items through fish and 2,809 through shellfish annually. The study suggests that estuarine microplastic pollution poses meaningful human exposure risks through seafood consumption.
Assessment of Microplastic Pollution Across the Malabar Coast, India
Researchers assessed microplastic contamination in water, sediment, and commercially important fish along the Malabar coast in India. They found microplastics in all sample types, with the highest concentrations in fish gastrointestinal and gill tissues, predominantly consisting of fragments and fibers of common plastics like HDPE, PET, and nylon. The study points to direct discharges, runoff, and poor wastewater management as key sources, underscoring the need for regulatory measures to protect both marine ecosystems and the people who consume seafood from the region.
Exploring synergistic contamination of heavy metals and microplastics in marine edible fishes and associated risk status in humans
Researchers assessed heavy metal and microplastic contamination in multiple marine fish species along the Gujarat coastline and found substantial spatial and interspecies variation. Some species exceeded safe metal thresholds, and MP contamination was prevalent, with combined exposure posing amplified health risks for local consumers.
Contaminants and their ecological risk assessment in beach sediments and water along the Maharashtra coast of India: A comprehensive approach using microplastics, heavy metal(loid)s, pharmaceuticals, personal care products and plasticisers
Researchers conducted a comprehensive survey of multiple contaminant types along India's Maharashtra coast, including microplastics, heavy metals, pharmaceuticals, and plasticizers in both water and sediment. They found widespread contamination with microplastics present at all 17 sampling stations, alongside concerning levels of other pollutants. The study highlights how coastal communities face exposure to a cocktail of emerging contaminants, with microplastics potentially acting as carriers for other harmful substances.
Spatial and seasonal variation of microplastics and possible sources in the estuarine system from central west coast of India
Researchers collected samples from an estuarine system on India's west coast across two seasons, finding significant spatial and seasonal variation in microplastic abundance — with monsoon season delivering higher loads — and identifying local fishing activities and urban runoff as primary sources.
Microplastic pollution in surface sediments of Coromandel coastline, South-East Coast, India: Diversity index, carbonyl index, pollution load index, risk fraction and MPs inventory
Researchers surveyed microplastic pollution across a 1,076-kilometer stretch of India's Coromandel coastline, using multiple indices to assess abundance, degradation, and ecological risk. They found that microplastic levels varied significantly between wet and dry seasons, with dry season samples showing higher concentrations. The study provides a comprehensive baseline assessment of microplastic contamination along one of India's most extensive coastal regions.
Occurrence of microplastics in fishes from two landing sites in Tuticorin, South east coast of India
Microplastics were found in the stomachs of two commercial fish species from markets in Tuticorin on India's southeast coast, with fibers and fragments as the dominant types. The study provides baseline data on microplastic ingestion by market fish in a major Indian fishing hub with implications for human dietary exposure.