Microplastics in aquatic environment: characterization, ecotoxicological effect, implications for ecosystems and developments in South Africa

Pereao, Omoniyi; Opeolu, Beatrice; Fatoki, Olalekan

Microplastics in aquatic environment: characterization, ecotoxicological effect, implications for ecosystems and developments in South Africa

2020

Pereao, Omoniyi | Opeolu, Beatrice | Fatoki, Olalekan

Microplastics are small-size plastic piece scales (particles < 5 mm) in sediments and waters which interact with environment and organisms by various means. Microplastics are becoming a universal ecological concern since they may be a source of hazardous chemicals to marine organisms and environments. Recent research suggests microplastics could enable the transfer of hydrophobic aquatic pollutants or chemical additives to biota. Even though microplastic presence and interactions are recently being detected in marine and freshwater systems, the fate of microplastics is still very poorly understood. This literature review is a summary of the sources and transport of microplastics, their interactions with toxic chemicals and the methodologies for chemical quantification and characterization of microplastics. The environmental outcome and impact of microplastics in wastewater treatment plants were assessed as well as the trends and update on microplastic research in the South African aquatic ecosystem.

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