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Abundance and composition of near surface microplastics and plastic debris in the Stockholm Archipelago, Baltic Sea
Stockholm University, Faculty of Science, Department of Environmental Science and Analytical Chemistry.
Stockholm University, Faculty of Science, Department of Environmental Science and Analytical Chemistry. Aquabiota Water Research, Sweden.
Stockholm University, Faculty of Science, Department of Biochemistry and Biophysics.
Stockholm University, Faculty of Science, Department of Environmental Science and Analytical Chemistry.
Number of Authors: 4
2017 (English)In: Marine Pollution Bulletin, ISSN 0025-326X, E-ISSN 1879-3363, Vol. 120, no 1-2, 292-302 p.Article in journal (Refereed) Published
Abstract [en]

We collected plastic debris in the Stockholm Archipelago using a manta trawl, and additionally along a transect in the Baltic Sea from the island of Gotland to Stockholm in a citizen science study. The samples were concentrated by filtration and organic material was digested using hydrogen peroxide. Suspected plastic material was isolated by visual sorting and 59 of these were selected to be characterized with Fourier transform infrared spectroscopy. Polypropylene and polyethylene were the most abundant plastics identified among the samples (53% and 24% respectively). We found nearly ten times higher abundance of plastics near central Stockholm than in offshore areas (4.2 x 10(5) plastics km(-2) compared to 4.7 x 10(4) plastics km(-2)). The abundance of plastic debris near Stockholm was similar to urban areas in California, USA, and the overall abundance in the Stockholm Archipelago was similar to plastic abundance reported in the northwestern Mediterranean Sea.

Place, publisher, year, edition, pages
2017. Vol. 120, no 1-2, 292-302 p.
Keyword [en]
Microplastic, Plastic pollution, Sea surface, Baltic Sea, Manta trawl, FTIR
National Category
Earth and Related Environmental Sciences Biological Sciences
Identifiers
URN: urn:nbn:se:su:diva-147169DOI: 10.1016/j.marpolbul.2017.04.062ISI: 000407539300044PubMedID: 28527744OAI: oai:DiVA.org:su-147169DiVA: diva2:1143735
Available from: 2017-09-22 Created: 2017-09-22 Last updated: 2017-09-22Bibliographically approved

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