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61,005 resultsShowing papers similar to Presence of microplastics in estuarine environment: a case study from Kavvayi and Kumbla backwaters of Malabar Coast, Kerala, India
ClearPresence of Microplastics in Estuarine Environment- A Case Study from Kavvayi and Kumbla Backwaters of Malabar Coast, Kerala, India
Researchers detected microplastics as small as 500 nanometers in sediments and bottom-dwelling organisms from two estuaries on India's Malabar Coast, using confocal Raman spectroscopy to identify polymer types and documenting contamination across all sampled sites.
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.
Analysis of microplastics in the estuary lying along the coastal belt of the Arabian Sea
Researchers analyzed microplastic contamination in water samples from the Azhikkal estuary in Kannur, India, near a recently established seaport on the Arabian Sea coast. Using a home-assembled micro-Raman spectrometer, they detected widespread microplastic presence in the estuarine waters. The study highlights the extensive prevalence of microplastics in coastal estuaries and demonstrates that relatively accessible analytical instruments can be effective for monitoring plastic pollution.
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.
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.
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 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 Vembanad Lake, Kerala, India: The first report of microplastics in lake and estuarine sediments in India
Researchers conducted the first study of microplastics in Vembanad Lake, Kerala, India, finding plastic particles across sampled sites and documenting the types and polymer composition of contamination in this important freshwater ecosystem.
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.
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.
The Prevalence of Microplastics in Water and Sediment Collected from Vellar Estuary in South India
Microplastic contamination was assessed in water and sediment samples from Vellar Estuary in Tamil Nadu, South India, finding widespread MP presence with fibres and fragments most common. The study identified this coastal estuary as significantly impacted by microplastic pollution from adjacent urban and industrial activities.
Characterization and distribution of microplastics in estuarine surface sediments, Kayamkulam estuary, southwest coast of India
Microplastic characterization in surface sediments of the Kayamkulam estuary in southwestern India found fibers and fragments dominated by polyethylene and polypropylene, establishing a pollution baseline for this ecologically important wetland.
Microplastics in the benthic invertebrates from the coastal waters of Kochi, Southeastern Arabian Sea
Researchers examined benthic invertebrates from coastal waters near Kochi in southern India and found microplastics present across multiple species, documenting the extent of contamination in a region with limited prior monitoring data.
The Occurrence of Microplastics in the Gut Contents of Selected Estuarine Fishes of Southern Kerala, India
A two-year survey of estuarine fish in southern Kerala, India, found microplastics — predominantly polypropylene, polyethylene, and polystyrene — in the stomachs of multiple commercially consumed species. The study documents spatial and seasonal variation in contamination levels, raising concern about human dietary exposure to microplastics through fish consumption in Indian coastal communities.
Ecological assessment of microplastic contamination in surface water and commercially important edible fishes off Kadalundi estuary, Southwest coast of India
Researchers documented microplastic contamination in both the surface water and 12 commercially important fish species from the Kadalundi estuary in India. Fibers were the most common type of microplastic found, with contamination levels varying across fish species. The findings are significant because this estuary is Kerala's first community reserve, and the contaminated fish are widely consumed by local populations.
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.
Recent Investigation of Characterizing, quantifying, and Contamination of Microplastic in the surface water of Adyar River Estuary, Tamil Nadu, India
Researchers examined microplastic identity, characterisation, spatial distribution, and abundance in surface water samples from the Adyar River Estuary in Tamil Nadu, India, finding polyethylene at 52 percent, polypropylene at 32 percent, and polystyrene at 16 percent across 12 sampling sites totalling 82 microplastic items.
Distribution and characterization of microplastics and ecological risks in Vellayani Lake, Kerala, India
Researchers surveyed Vellayani Lake in Kerala, India, for microplastic contamination and found particles in both water and sediment samples across the lake. The most common types were fibers and fragments, primarily from polyethylene and polypropylene, likely originating from household waste, fishing activities, and agricultural runoff. The ecological risk assessment indicated moderate contamination levels, raising concerns for this freshwater lake that serves local communities.
Contamination and characterization of microplastics in different sediments of the river estuaries (the inner Gulf of Thailand)
Researchers measured microplastic contamination in river estuary sediments in the inner Gulf of Thailand, finding widespread contamination at all sites. The study characterizes the types and abundance of microplastics in a highly trafficked coastal region of Southeast Asia.
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.
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.
Assessment of Microplastic Pollution in Coastal Belt of Chennai, Tamilnadu
Researchers investigated microplastic contamination in the Adyar and Coovum river estuaries along the Chennai coastline in India. Using FTIR spectroscopy and X-ray diffraction analysis, they confirmed the presence of microplastics in both water and sediment samples. The study adds to the growing evidence that urban coastal areas in developing regions face significant microplastic pollution challenges.
Abundance and distribution of subsurface microfibres and seabed macrolitter in Thoothukudi, Gulf of Mannar, South-east coast of India
This study measured the abundance and distribution of microfibers and larger plastic litter in coastal waters and seafloor sediments off Thoothukudi, India, finding widespread contamination. Microfibers were present throughout inshore waters, contributing to the growing body of evidence for plastic contamination along India's coastlines.
Assessment, characterization, and quantification of microplastics from river sediments
Researchers assessed microplastic contamination in sediments from 14 sites along the Kaveri River in South India, characterizing particle types, sizes, and polymer compositions to quantify the extent of microplastic pollution in this freshwater system.