期刊
MARINE POLLUTION BULLETIN
卷 140, 期 -, 页码 523-535出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2019.01.053
关键词
Microplastics; Marine debris; Pollution sources; Marine aggregates; Mediterranean Sea
资金
- I-MarCat research project of Institut d'Estudis Catalans (IEC, Catalonia) [PR2015-S06-CANALS/SCiT-SCB]
- European Commission DG Environment project IDEM [11.0661/2017/750680/SUB/ENV.C2]
- Spanish research project NUREIEV [CTM2013-44598-R]
- Spanish research project NUREIEVA [CTM2016-75953-C2-1-R]
- Spanish research project Red BAMAR [CGL2016-81854-REDT]
- Catalan Government Grups de Recerca Consolidats [2017 SGR 315]
Pollution by large-sized plastics and microplastic debris is widespread in all Earth environments, also threatening marine ecosystems worldwide. In this study we determine the load of microplastics in the Western Mediterranean Sea and evaluate their aggregation potential into marine aggregates. We report average micro plastic abundances of 0.10 +/- 0.09 items m(-2) (max: 0.50 items m(-2)). Abundances and chemical composition of microplastics are subject to temporal changes as a function of human activities in the areas of influence and shifting meteorological and sea-state conditions. We find that microplastics were on average smaller in mass than other studies conducted in the Mediterranean Sea indicating longer exposure times in the environment. The microplastic aggregation potential was determined by inspecting formed biogenic aggregates either during sample collection or in the laboratory. Smaller and more angular microplastics dominated in marine aggregates, representing an average 40% in abundance and 25% in mass of microplastics.
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