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Characteristics of microplastics on two beaches affected by different land uses in Salamina Island in Saronikos Gulf, east Mediterranean
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Researchers compared microplastic pollution on two beaches of Salamina Island, Greece, and found differences tied to land use — one beach near industrial areas had more polyethylene fragments, while the other had more diverse plastic types. The study demonstrates how local human activities shape the types and amounts of microplastics found on nearby beaches.
In the present study, samples were taken from two beaches of the Salamina Island. The results of microplastics characterization agree well with the predicted results based on the land uses both locally and from across the mainland. The first beach, Psili Ammos, is affected by increased anthropogenic and industrial activity. Based on the Attenuated Total Reflectance (ATR) - Fourier Transform Infra-Red spectroscopy (FTIR) analysis mainly polyethylene (PE) fragments are observed than in the second beach, Kanakia. A high percentage of plastic pellets from industrial activity among fragments are found as well as the most fresh and the most degraded particles (based on the ester, keto, and vinyl indices). The second beach, Kanakia, has a high percentage of expanded polystyrene (EPS) particles suggesting an impact from fishing activities rather than industrial ones and all PE samples are found to be degraded suggesting that sources of non-fishing microplastic pollution are further away.
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A close relationship between microplastic contamination and coastal area use pattern
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Researchers investigated microplastic contamination across three coastal areas in Korea characterized by different human activities: urban, aquafarm, and rural. They found that microplastic abundance and polymer composition varied by area, with diverse polymers at urban sites, polystyrene dominant near aquaculture operations, and polypropylene prevalent at rural fishing sites. The study demonstrates a close relationship between coastal land use patterns and the characteristics of microplastic pollution in both abiotic and biotic samples.
Microplastic pollution on the Persian Gulf shoreline: A case study of Bandar Abbas city, Hormozgan Province, Iran
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