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61,005 resultsShowing papers similar to Holistic assessment of microplastics in various coastal environmental matrices, southwest coast of India
ClearAssessment 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.
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 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 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.
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.
A critical review on various trophic transfer routes of microplastics in the context of the Indian coastal ecosystem
This review examines how microplastics accumulate along the Indian coastline through ingestion and bioaccumulation across species including plankton, fish, turtles, and seabirds. The findings highlight India's coastal biodiversity as being at significant risk, with implications for the millions of people who rely on marine fisheries for food.
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.
Microplastics in the environment and in commercially significant fishes of mud banks, an ephemeral ecosystem formed along the southwest coast of India
Researchers found marked spatio-temporal variability in microplastic distribution across surface waters, sediments, and fish gastrointestinal tracts in the Alappuzha Mud Banks of southwest India, with MP concentrations peaking during the monsoon mud bank period at mid-water depths.
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.
Status of Microplastic Accumulation in Water and Sediments of Selected Estuarine Ecosystem of Southern Kerala, India
Researchers measured microplastic levels in water and sediment from estuaries in southern Kerala, India, finding significant contamination in both habitats. The study identifies these coastal estuaries as accumulation zones for microplastic pollution, posing risks to local aquatic life and fishing communities.
Driving aspects of microplastic uptake: Influence in the Bentho-Pelagic ecosystem and its associated ecological risks along the coast of Goa, India
Researchers studied microplastic contamination in nine fish and shellfish species along the coast of Goa, India, to understand how habitat and feeding behavior drive microplastic ingestion. Benthic organisms and sediments showed higher contamination than pelagic species and water, with fibrous polyamide and polyester particles being most abundant, and the Polymer Hazard Index indicated considerably high risk for certain polymers found in these food species.
An assessment of microplastics in the ecosystem and selected commercially important fishes off Kochi, south eastern Arabian Sea, India
Microplastics were found in coastal waters, sediment, and the guts of five commercially important fish species off Kochi, India, including sardines and mackerel, with polyethylene and polypropylene the dominant polymer types. The study establishes baseline contamination data for the southeastern Arabian Sea and highlights pelagic fish species as vectors of plastic pollution to human consumers.
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 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.
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.
The threat of microplastics: Exploring pollution in coastal ecosystems and migratory shorebirds along the west coast of India
Researchers surveyed microplastic contamination across ten coastal sites on India's west coast, testing water, sediment, invertebrate prey, and shorebird droppings. Microplastics, mostly fibers, were found in all sample types, with water identified as the primary pathway for spreading plastics through the food chain. The study demonstrates how microplastics move from water through prey animals to top predators, illustrating the food chain transfer that ultimately could affect human seafood consumption.
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.
Microplastics pollution in Indian marine environment: sources, effects and solutions
This review provides a comprehensive look at microplastic pollution in India's marine environment, covering sources, transport, effects on marine life, and potential solutions. Microplastics are being ingested by organisms at every level of the food chain, causing inflammation, hormonal disruption, and reproductive problems that eventually affect humans through seafood. The authors call for stronger policies, better waste management, and public awareness to address this growing threat to both marine ecosystems and human health.
Microplastics in different environmental compartments in India: Analytical methods, distribution, associated contaminants and research needs
This study reviewed scientific literature on microplastic pollution in various environmental matrices in India, summarizing methods for sampling, extraction, identification, and quantification used across Indian research. It highlighted research gaps and proposed future priorities for understanding the extent and effects of microplastic contamination in Indian environments.
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.
Potential Ecological Risk Assessment Studies Based on Source and Distribution of Microplastics from the Surface Sediments of Tropical Backwaters, Kerala, India
Researchers characterized microplastic pollution in surface sediments of three tropical estuaries along the southwest coast of Kerala, India, finding 407 total particles and conducting ecological risk assessment to evaluate hazard levels from microplastic accumulation.
Source Apportionment of Marine Microplastics: First Step Towards Managing Microplastic Pollution
Monthly beach sediment sampling in India identified the sources of microplastics deposited on the coast, finding higher plastic loads during monsoon seasons. Identifying specific pollution sources is essential for targeting interventions to reduce microplastic input to marine environments.
An assessment of microplastic contamination in beach sediment of Maharashtra State, India, with special reference to anthropogenic activities
Researchers quantified microplastic contamination across 25 beaches along the Maharashtra coast of India, finding widespread pollution with significant variation between sites. They identified microplastic concentrations correlated with anthropogenic activities near each sampling location. The study provides baseline data on coastal microplastic pollution in this densely populated region and highlights the connection between human activity and beach contamination levels.