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Presence of microplastics in benthic and epibenthic organisms: Influence of habitat, feeding mode and trophic level

Artikel i vetenskaplig tidskrift
Författare Agathe Bour
C. G. Avio
S. Gorbi
F. Regoli
K. Hylland
Publicerad i Environmental Pollution
Volym 243
Sidor 1217-1225
ISSN 0269-7491
Publiceringsår 2018
Publicerad vid Institutionen för biologi och miljövetenskap
Sidor 1217-1225
Språk en
Länkar dx.doi.org/10.1016/j.envpol.2018.09...
Ämnesord Microplastics, Field study, Ingestion, mu FT-IR, polystyrene microplastics, marine-environment, mytilus-edulis, demersal, fish, north-sea, ingestion, sediments, exposure, water, invertebrates, Environmental Sciences & Ecology, ates of america, v113, p2430
Ämneskategorier Miljövetenskap

Sammanfattning

The exponential production and use of plastics has generated increasing environmental release over the past decades, and microplastics (MPs) have been reported across all the oceans. Field studies have documented the occurrence of MPs in several species, but important knowledge gaps still remain. In the present study, we characterized the distribution of MPs in ten sediment-dwelling and epibenthic species representative of different habitat, feeding modes and trophic levels within the inner Oslofjord (Oslo, Norway), an area subjected to moderate anthropogenic pressures. Analysed species included fish, bivalves, echinoderms, crustaceans and polychaetes. MPs were present in all the species with a frequency up to 65% of positive individuals for some species. In most cases, 1 or 2 MPs were found per individual, but some organisms contained up to 7 particles. A total of 8 polymer typologies were identified, with PE and PP being the most common according to our extraction protocol. MP sizes ranged from 41 mu m to lines as long as 9 mm. Our results indicate that occurrence of MPs in analysed biota is not influenced by organism habitat or trophic level, while characteristics and typology of polymers might be significantly affected by feeding mode of organisms. (C) 2018 Elsevier Ltd. All rights reserved.

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