Abstract
One of the most critical emerging pollutants in aquatic environments is plastic waste. During this study, the presence and abundance of macro, meso, and microplastics at 17 stations on the coast of Bushehr province were investigated. The average abundances of macro-plastics and meso-plastics in coastal sediment were 41.0 and 121.8 items/m2, respectively. The mean abundance of microplastics at depths of 0–5 cm, 5–15 cm, 0–15 cm and the mean of two depth abundance were 226.2 ± 76.7 and 47.1 ± 16.1, 273.4 ± 78.8, and 136.7 ± 39.4 particles/kgd.w., respectively. Fibers with 55 %, black microplastics with 40 %, and microplastic size of <500 μm with 48 % had the highest abundance, respectively. According to the FTIR spectra, polyethylene, polystyrene, polyethylene terephthalate, and nylon were the most common types of polymers in plastics. Although plastics were observed at all stations, a comparison of our results, with other studies around the world shows that the region is moderately contaminated with plastics.
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