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Distribution of Microplastics in Semi-urban Estuary Water Along the West Coast of India
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Researchers investigated microplastic distribution in semi-urban estuary waters along India's west coast, finding that human activities such as port operations, tourism, fishing, and industrial discharges are major contributors to microplastic contamination in these ecologically vital coastal ecosystems.
Estuaries are crucial coastal ecosystems that support diverse life, sustain fisheries, and reinforce local economies. However, these environments are increasingly threatened by human activities such as port operations, tourism, fishing, industrial discharges, and...
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Abundance, distribution and characterization of microplastics in Tropical River Estuary, South East Coast of India
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Researchers sampled water and sediment across seven sites along the Palar River estuary in southeast India, finding that fiber-shaped high-density polyethylene microplastics dominate, likely originating from fishing gear and industrial discharge. The study establishes a contamination baseline for a multi-source river system, highlighting how riverine environments serve as highways transporting plastic pollution from inland industrial and agricultural sources into coastal marine ecosystems.
Occurrence of Microplastics in Coastal Waters of Kerala
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Researchers measured the concentration and types of microplastics in coastal waters of Kerala, India, contributing regional data to the global picture of ocean plastic contamination. Understanding microplastic distribution in coastal zones is critical because these areas are biodiversity hotspots and major sources of seafood consumed by local and global populations.
Assessment of spatial distribution, sources, and ecological risks of microplastics in the estuarine and coastal regions of the northern Bay of Bengal
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Surveys of the northeastern Bay of Bengal found surface water MP concentrations up to 1,640 items/m³ in the Karnaphuli estuary, dominated by fiber-shaped polypropylene particles, with pollution risk indices ranging from medium to very high across estuarine and coastal zones. The high MP burden in this densely populated coastal region poses serious risks to marine biodiversity, local fisheries, and the millions of people who depend on Bay of Bengal seafood as a dietary staple.
Microplastic Contamination in Kollidam River Estuary, East Coast of India: A Comparative Study Across Inner, Outer and Mangrove Estuarine Regions
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Researchers analyzed microplastic contamination across inner, outer, and mangrove zones of the Kollidam River estuary on India's east coast, finding polypropylene and polyethylene as dominant polymers and identifying mangrove regions as significant sinks for MP accumulation. The designation of mangroves as MP hotspots is ecologically important because these coastal nursery habitats support fisheries and biodiversity, meaning plastic accumulation there can enter food webs that ultimately reach human consumers.
Occurrence of Microplastic Pollution in Coastal Areas
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Microplastic pollution in coastal areas is accelerating in parallel with global plastic production, with aquatic ecosystems projected to bear an increasing burden of contamination. The ubiquity of coastal microplastics poses direct risks to marine biodiversity and indirect risks to human health through seafood consumption.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.