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Prevalence of microplastics in the sediments of Odisha beaches, southeastern coast of India
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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 prevalence of microplastics along the coastal habitats has become a global concern owing to the increased input of plastic debris from multiple sources. The present study is the first of its kind to examine the prevalence and distribution of microplastics in Odisha coast. The average microplastic abundance in the nine stations along Odisha coastal beach is 258.7 ± 90.0 particles/kg of beach sediment. Among the stations sampled, Swargadwara was reported with the highest microplastic abundance of 378.3 ± 39.7 particles/kg of beach sediment andAbhayachandpurwas found with the lowest number of 153.3 ± 27.3 particles/kg. Different types of microplastics varying in color, size, and shape were encountered in the study. From the Raman spectroscopic analysis, twelve types of polymers including High Density Polyethylene, Polystyrene, Polyvinyl chloride, and acrylonitrile copolymer were identified.
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Spatial distribution, morphological characteristics, and risk assessment of microplastics in the beach sediments of Odisha Coast, India
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A large survey of 34 beach sites along the Odisha coast of India found an average of 948 microplastic particles per kilogram of sediment, with fibers making up nearly 99% of particles, and ecological risk indices rating the coast as 'extremely dangerous.' This is one of the first spatially extensive assessments of microplastic pollution on India's eastern coastline, establishing a critical baseline for a densely populated and ecologically important region. The high polymer hazard scores—driven by PET, PP, and PE—point to urgent need for pollution reduction and policy intervention.
Distribution and characterization of microplastics in beach sand from three different Indian coastal environments
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Beach sands from three locations on the Indian coast were analyzed for microplastics, finding concentrations of 45–220 particles/kg dry sand with polyethylene (43%) as the dominant polymer, followed by PET and polystyrene. The study establishes baseline contamination data for Indian beaches and demonstrates consistent polymer profiles across geographically distinct coastal environments.
Assessment of micro and macroplastics along the west coast of India: Abundance, distribution, polymer type and toxicity.
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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 extent of microplastic pollution along the eastern coast of India: Focussing on marine waters, beach sand, and fish
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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.
Quantification and polymer characterization of sediment microplastics along the Golden beach, Puri, India
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Microplastics were found in beach sediments at one of India's most popular tourist beaches in Puri, with an average of 731 particles per kilogram of sediment. The presence of multiple polymer types, including polyethylene and polystyrene, reflects the diverse sources of plastic pollution at heavily visited coastal sites.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.