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Article ? AI-assigned paper type based on the abstract. Classification may not be perfect — flag errors using the feedback button. Tier 2 ? Original research — experimental, observational, or case-control study. Direct primary evidence. Environmental Sources Marine & Wildlife Sign in to save

Evidence of microplastics pollution in coastal beaches and waters in southern Sri Lanka

Marine Pollution Bulletin 2018 130 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
J. Bimali Koongolla, Anthony L. Andrady, P. B. Terney Pradeep Kumara, Chinthaka Sanath Gangabadage

Summary

Researchers found microplastic pollution along 91 km of coastline in southern Sri Lanka, with 60% of beach sand sites and 70% of surface water sites testing positive, characterizing the polymers, shapes, and colors present across the sampled coastal environments.

Polymers
PE PP PS
Study Type Environmental

The abundance of microplastics (MPs) in surface water and beach sediment in Southern Sri Lanka covering a distance of 91 km of coastline is reported. MPs were classified according to polymer type, geometry and color of the sites tested 60% showed MP contamination in sand and 70% in surface waters off the coast. The size range of MPs from surface waters and beaches were to 1.5-2.5 mm and 3-4.5 mm, respectively. Majority of these were identified as polyethylene (PE) and polypropylene (PP) with some polystyrene (PS) foam at a few sites. Fragments derived from larger debris appears to be the dominant type of MP at most sites and only 2 sites showed virgin pellets that accounted for 14% of the samples collected.

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