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Microplastics in surface waters
Summary
This study investigates microplastic contamination in surface freshwater ecosystems, examining both primary microplastics — such as microbeads from cosmetic products — and secondary microplastics generated by the fragmentation of larger plastic items including synthetic textile microfibres and plastic debris. The research reviews distribution patterns, particle characteristics, and the potential ecological and health risks associated with microplastic accumulation in rivers and lakes.
Plastika se zahvaljujući svojoj rasprostranjenosti može smatrati materijalom današnjice što opravdava činjenicu da velika njezina količina završava u vodenom okolišu, točnije površinskim vodotocima. Njezinim raspadom nastaju sitniji dijelovi (mikrovlakna, fragmenti...) veličine od 1 μm do 5 mm koji se nazivaju sekundarnom mikroplastikom. Primarnu mikroplastiku čine sve čestice (mikrozrna...) koje se nalaze u potrošačkim i komercijalnim proizvodima poput kozmetike. Razlikuju se brojni potencijalni izvori, a najčešće se navode plastični proizvodi, industrija, otpadne vode te uređaji za njihovo pročišćavanje. Mikroplastika je prema dosadašnjim istraživanjima pronađena u nekim od najvećih europskih rijeka poput Rajne i Elbe te u ostalim rijekama diljem svijeta. S obzirom na kemijski sastav i vrstu adsorbiranih tvari, ostavlja posljedice po vodeni ekosustav (bioakumulacija, smanjenje populacija), ali i zdravlje ljudi. Kako bi se smanjilo i spriječilo onečišćenje, donose se mjere od strane političkih organizacija.
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