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61,005 resultsShowing papers similar to Identification and Microscopic Classification of Microplastics in Beach Sediment Sample at Dadar Chowpatty
ClearAn 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.
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.
Micro-plastic pollution along the Bay of Bengal coastal stretch of Tamil Nadu, South India
Researchers quantified microplastic particles in water column, wet sediment, and dry sand samples from Marina Beach, Chennai, India — one of the world longest urban beaches — using optical microscopy. Fibrous microplastics were dominant across all matrices (52-79%), with concentrations indicating significant pollution along this heavily urbanised coastline.
Microplastic contamination of Seawater and Fish samples from Bhaucha Dhakka and Versova Beach on the Mumbai Coast
Researchers detected microplastics in seawater and three commercial fish species (Bombay duck, Silver Pomfret, Indian prawn) from Mumbai's coast. Average MP concentrations were 20 ± 14.8 MPs/L at Versova Beach and 42 ± 14.8 MPs/L at Bhaucha Dhakka in water, with fish species showing 23–70 MPs/L in tissues, documenting widespread contamination in a major coastal urban fishery.
Microplastic Pollution in the Marine Ecosystem: A Study of Seawater and Fish Samples from Bhaucha Dhakka and Versova Beach, Mumbai Coast
Researchers investigated microplastic contamination in seawater and commercially harvested fish species from two locations along the Mumbai coast in India. They found microplastics in all water and fish samples, with the highest concentrations at a busy port site and in Bombay duck fish. The discovery of microplastics in fish tissues raises concerns about potential implications for fish health and human consumption of contaminated seafood.
Quantitative assessment of microplastic in sandy beaches of Gujarat state, India
Researchers quantified microplastic contamination across 20 sandy beaches on the Gujarat coast of India, finding average abundances ranging from 1.4 to 26 MPs per kilogram of sediment, with higher concentrations at beaches under greater anthropogenic pressure. Thread/fiber morphologies were the most abundant type, and the spatial distribution reflected local population density and tourist activity.
Quantitative assessment of microplastic contamination in muddy shores of Gulf of Khambhat, India
Researchers surveyed 21 muddy shoreline sites along India's Gulf of Khambhat and found microplastic contamination at every location, with fibers and fragments being the most common shapes. Polymer analysis identified polyethylene, polypropylene, and nylon as the dominant types. This study provides baseline data on microplastic pollution in an understudied coastal region that supports fishing communities and marine biodiversity.
Microplastics in the sediments along the eastern Arabian Sea shelf: Distribution, governing factors and risk assessment
Researchers mapped microplastic distribution in sediments along the eastern Arabian Sea shelf across seven coastal transects, finding the highest concentrations off Mumbai at 2500 particles per kilogram. The study found that northern shelf regions had greater contamination than central and southern areas, with microplastic distribution influenced by proximity to urban centers, river inputs, and ocean currents.
Assessment of secondary microplastics trapped in mangrove ecosystem of a highly populated tropical megacity, India
Researchers quantified microplastic contamination in Mumbai's mangrove ecosystem across six zones and 30 sampling sites. They found an average of 6,730 microplastic particles per kilogram of dry sediment, dominated by fibers and polyethylene, with concentrations decreasing at greater sediment depths, highlighting the need for management policies to protect coastal environments.
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.
Identification and Analysis of Microplastics in Sediments of Muzhapilangad Beach, Kannur
Researchers identified and quantified microplastics in sediment samples from Muzhapilangad Beach in Kerala, India. The study documents coastal microplastic contamination and characterizes particle types, providing baseline data for monitoring and managing plastic pollution at this popular tourist beach.
Microplastics' occurrence, distribution, and chemical toxicity in backwater sediments from Puducherry Coast, Southeast India
Researchers measured microplastic concentrations in sediment cores from three sites along India's Puducherry coast, finding over 100 microplastic particles per square centimeter near the surface — with fibers and fragments made of PE, PP, and PET being most common — and high pollution risk scores at all sites.
Contamination of microplastics, surface morphology and risk assessment in beaches along the Thoothukudi coast, Gulf of Mannar region
Researchers assessed microplastic contamination in beach sediments along the Thoothukudi coast in India, finding widespread presence of fragments and films with high ecological risk scores, alongside surface morphological analysis revealing weathering and chemical changes consistent with long-term environmental exposure.
Ecological risk assessment and characterization of microplastics in the beach sediments of southeast coast of India
Surveys along India's southeast coast found hundreds of microplastic particles per kilogram of beach sediment, with fibers being the most common shape and polystyrene among the dominant polymer types. Ecological risk indices suggest the pollution is at low-to-medium levels currently, but the study underscores the need for targeted waste reduction strategies to protect coastal biodiversity in one of the world's most densely populated shorelines.
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.
Prevalence of microplastics in the sediments of Odisha beaches, southeastern coast of India
This first study of microplastic prevalence on beaches of the Odisha coast in southeastern India documented widespread contamination, with fiber and fragment types dominated by polypropylene and polyethylene across multiple beach sites.
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.
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.
Distribution and characterization of microplastics in beach sediments from Karnataka (India) coastal environments
Researchers surveyed five beaches along the Arabian Sea coast in Karnataka, India, and found microplastic concentrations ranging from 264 to 1,002 particles per kilogram of dry sand. The majority of particles were small fragments less than 1 millimeter in size, and microscopy revealed signs of extensive environmental weathering. The study provides important baseline data on microplastic contamination along India's western coastline.
Quantitative analysis of plastic debris on recreational beaches in Mumbai, India
A quantitative survey of plastic litter on four beaches in Mumbai, India, found an average of about 69 items and 7.5 grams of plastic per square meter. The study found that small plastic fragments dominated by particle count, confirming that microplastics are a major fraction of plastic pollution even on urban tropical beaches.
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.
Microplastic Pollution, A Threat to Human Health: A Case Study at Thoothukudi, South India
A field study at Thoothukudi, a coastal city in southern India, found microplastics in beach sediments at all seven sampling sites, with fibers and fragments being the most common forms. The results highlight that microplastic pollution is reaching even relatively understudied coastlines in South Asia, with implications for the health of local marine ecosystems and fishing communities.
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.
Distribution and Types of Microplastics in Coastal Sediments of Sepanjang Beach
Researchers characterised the distribution and types of microplastics in coastal sediments of Sepanjang Beach, Indonesia, examining microplastic presence in relation to gastropod digestive tract contamination in the local marine environment.