Abstract:Context Plastic pollution can be even more problematic to the environment when this material is fragmented into small pieces forming microplastics (MPs). Aims The objectives of the present study were to investigate the abundance, morphotypes, predominant polymers, and colour of MPs on surface waters, and compare the effect of the hydrologic cycle on the abundance and richness of MP categories along a stretch of the Paraíba do Sul River basin, the water system of which flows through the most populous ar… Show more
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