Sea surface microplastics in Slovenian part of the Northern Adriatic

Gajšt, Tamara; Bizjak, Tine; Palatinus, Andreja; Liubartseva, Svitlana; Kržan, Andrej

Sea surface microplastics in Slovenian part of the Northern Adriatic

2016

Gajšt, Tamara | Bizjak, Tine | Palatinus, Andreja | Liubartseva, Svitlana | Kržan, Andrej

Plastics are the most common material of marine litter and have become a global pollution concern. They are persistent in the environment where they gradually degrade into increasingly smaller particles–microplastics (MP). Our study presents results of sea-surface monitoring for MP in the Slovenian part of the Trieste Bay in the Northern Adriatic Sea. In 17 trawls conducted over a 20-month period we found a high average concentration of 406×103MPparticles/km2. Over 80% of the particles were identified as polyethylene. The significant variability of MP concentrations obtained on different sampling dates is explained by use of surface current maps and a recently developed Markov chain marine litter distribution model for the Adriatic Sea.

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