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61,005 resultsShowing papers similar to Driving aspects of microplastic uptake: Influence in the Bentho-Pelagic ecosystem and its associated ecological risks along the coast of Goa, India
ClearMicroplastic contamination in thirty commercially important fish species: Distribution, polymer composition, pollution indices, and human health risks
Researchers examined microplastic contamination in 600 specimens across 30 commercially important fish species from the Indian coast, finding the highest accumulation in the gastrointestinal tract with carnivorous species carrying the greatest burden. Polyethylene and polypropylene fibers were the dominant particle types, and human health risk assessment showed measurable daily intake from consuming these fish, with pollution indices indicating considerable to medium hazard risk levels.
Assessment of potential ecological risk of microplastics in the coastal sediments of India: A meta-analysis
This meta-analysis assesses the ecological risk of microplastics in coastal sediments along India's coastline, finding high hazard levels in several areas. The presence of harmful plastic polymers in coastal sediments is concerning because these areas are important for fishing and seafood harvesting that feeds millions of people.
Assessment of microplastic contamination in clams and shrimp from estuarine environments of Goa: implications for environmental health and food safety
Researchers examined clams and shrimp from estuarine environments in Goa, India, and found microplastics present in both species and their surrounding waters, with shrimp from one site showing particularly high contamination and bioaccumulation. The particles were predominantly polyamide, polyethylene, and polystyrene fibers and fragments, likely originating from fishing, tourism, and waste disposal activities. The findings raise concerns about food safety for local and tourist populations who regularly consume seafood from these coastal areas.
Microplastics in seafood as an emerging threat to marine environment: A case study in Goa, west coast of India
Researchers assessed microplastic contamination in water, sediment, and shellfish from the Sal estuary in Goa, India. They found microplastics present across all environmental samples, with sediment containing particularly high concentrations. The study highlights that commercially important seafood species in this region are accumulating microplastics, posing potential concerns for both marine ecosystems and human dietary exposure.
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.
Distribution of microplastics in seafloor sediments and their differential assimilation in nearshore benthic molluscs along the south-west coast of India
Researchers investigated microplastic contamination in seafloor sediments and benthic molluscs along a 300-kilometer stretch of India's southwest coast. They found significant MP levels in both sediments and all four mollusc species studied, with scavenging gastropods accumulating the highest concentrations. The study reveals that feeding strategy is a key factor in microplastic uptake by marine organisms, with ecological risk indices indicating elevated contamination levels in most sampling stations.
Abundance, characteristics, and risk assessment of microplastics in indigenous freshwater fishes of India
Researchers examined microplastic contamination in five widely consumed freshwater fish species from India and found plastic particles in all specimens, with fibers being the most dominant type. Evidence of microplastics in edible fish tissue indicates translocation from the gut, suggesting a pathway for human exposure through consumption. Risk assessment showed that while microplastic abundance posed a low quantitative risk, the polymer types identified indicated a high hazard potential for the fish species studied.
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.
Ingestion of microplastics in commercially important species along Thoothukudi coast, south east India
Researchers found microplastics in the guts of 12 commercially important marine species along India's Thoothukudi coast, with herbivores showing the highest ingestion rates and evidence of biomagnification across trophic levels, suggesting feeding habits — not habitat or body size — drive microplastic accumulation.
Microplastic pollution in coastal ecosystem off Mumbai coast, India
Researchers surveyed microplastic contamination across water, sediment, and marine fish in the coastal waters off Mumbai, India. They found an average of 372 particles per liter in water and 9,630 particles per kilogram in sediment, with pelagic fish species containing up to 9 microplastic items per individual. The study identified eleven different polymer types and emphasizes that microplastic transfer through the food chain underscores the need for processing interventions to reduce contamination in fish destined for human consumption.
Ecological risk assessment and ingestion of microplastics in edible finfish and shellfish species collected from tropical mangrove forest, Southeastern India
Researchers studied seasonal microplastic ingestion by fish and shellfish species in the Pichavaram mangrove forest in southeastern India, finding the highest contamination during monsoon season due to runoff. Polyethylene, polypropylene, and PET were the dominant polymer types, with fibers being the most common shape. The study reveals that mangrove ecosystems are vulnerable to microplastic pollution, with potential consequences for food safety given that these species are consumed by humans.
Environmental risk assessment of heavy metals and microplastics in marine biota along Gujarat coastline, India
Researchers assessed environmental risks from both heavy metals and microplastics in marine organisms collected along the Gujarat coastline in India, measuring contamination levels in multiple species. Combined contamination elevated ecological risk indices above safe thresholds at several coastal sites.
Microplastic Ingestion, Polymer Characteristics, and Ecological Risk in Commercial Pomfret Fishes Pampus chinensis and Pampus argenteus from the Bay of Bengal
Researchers found microplastics in 100% of both Chinese silver pomfret and white pomfret specimens collected from the Bay of Bengal, with mean abundances of 20.0 items per fish in P. chinensis versus 6.6 in P. argenteus, and polyamide and PET as the dominant polymers. Ecological risk assessment using the Polymer Hazard Index indicated high-risk polymers were present, underscoring the need for regionally coordinated monitoring of offshore fish stocks.
Hazard index of microplastics contamination in various fishes collected off Parangipettai, Southeast coast of India
Researchers examined microplastic contamination in the gills and guts of 10 fish species collected off the southeast coast of India. All species contained microplastics, predominantly fibers, with low-density polyethylene being the most common polymer type, and the hazard index classified the identified polymers as medium risk for potential health implications through seafood consumption.
Does the microplastics ingestion patterns and polymer composition vary across the oceanic zones? A case study from the Indian coast
Researchers examined microplastic ingestion in 27 species of deep-sea fish from the Central Indian Ocean and found contamination in 19 of them, with PET being the most common polymer. The study suggests that feeding behavior, rather than habitat depth or trophic level, is the primary factor influencing how much microplastic deep-sea fish ingest, and proposes these fish could serve as indicators for monitoring deep-sea plastic pollution.
Ecological risk assessment of microplastics and mesoplastics in six common fishes from the Bay of Bengal Coast
Researchers found microplastics in the digestive tracts and muscle tissue of six commonly eaten fish species from the Bay of Bengal, with fiber-shaped particles making up over 95% of what was found. This contamination in edible fish muscle tissue means that people who eat these species are likely ingesting microplastics directly.
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.
Microplastics accumulation in pelagic and benthic species along the Thoothukudi coast, South Tamil Nadu, India
Researchers surveyed microplastic contamination in the digestive tracts of fish and shellfish along the Thoothukudi coast in southern India. They found microplastics in both open-water and bottom-dwelling species, with bottom-dwellers accumulating slightly more particles, predominantly polyethylene fibers. The findings confirm that microplastic contamination is widespread across marine habitats in the region and underline the need for better plastic waste management.
Microplastic profile and ecological risk assessment of emerging estuarine contaminants in two tourist hotspots of northern Kerala backwaters
Researchers investigated microplastic pollution in sediments and water of two tourist-heavy estuarine systems in northern Kerala, India. They found average concentrations of 187 to 259 particles per kilogram in sediments and 251 to 284 particles per liter in water, with polyamide as the dominant polymer type, indicating high ecological risk driven by tourism, fishing, and poor waste management.
Assessment Of Microplastics In Commercially Important Fishes Collected From Thondi Fish Landing Center
Researchers assessed the presence and characteristics of microplastics in commercially important fish species collected from the Thondi fish landing center in India. The study evaluated microplastic contamination levels in fish obtained from a coastal fishing hub, contributing data on the prevalence of plastic particles in seafood relevant to both ecological and human dietary exposure concerns.
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.
Seasonal variation, polymer hazard risk and controlling factors of microplastics in beach sediments along the southeast coast of India
Researchers investigated microplastic contamination at six beaches along India's southeast coast, comparing seasonal variation and hazard risk. They found that polyethylene and polypropylene fibers were the most common types, likely originating from fishing, textile, and urban activities. Although overall contamination levels were low, the presence of hazardous polymers like PVC and polystyrene contributed to a very high ecological risk index for marine life.
Assessment of micro and macroplastics along the west coast of India: Abundance, distribution, polymer type and toxicity.
This study assessed the abundance and types of micro- and macroplastics on ten beaches along India's west coast, finding plastic in all locations with fragments being the most common form. Polymer analysis revealed polypropylene, polyethylene, and polystyrene as the dominant types, and toxicity testing indicated the plastic-contaminated sediments posed ecological risks.
The estuarine plastics menace: Insights into prevalence, characterization and polymeric risk assessment of microplastics in the Mahi River Estuary, Gujarat, India
Researchers assessed microplastic contamination along 30 sites of the Mahi River Estuary in Gujarat, India, characterizing particle abundance, morphology, polymer type, and ecological risk. Microplastics were found at all sites with concentrations and polymer risk indices reflecting the estuary's proximity to urban and industrial sources.