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Classification of marine microdebris: A review and case study on fish from the Great Barrier Reef, Australia

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dc.contributor Aims MOTTI, CHERIE E. KROON, FREDERIEKE J. JENSEN, LENE H. BERRY, KATHRYN L. E. 2018-11-18T19:00:56Z 2018-11-18T19:00:56Z 2019-05-09T01:07:27Z 2018-11-18T19:00:56Z 2018-11-18T19:00:56Z 2019-05-09T01:07:27Z 2018-11-06
dc.identifier.citation Kroon FJ, Motti CE, Jensen LH, Berry KLE (2018) Classification of marine microdebris: A review and case study on fish from the Great Barrier Reef, Australia. Scientific Reports 8: 16422
dc.identifier.issn 2045-2322
dc.description.abstract Marine debris, and in particular plastic pollution, is ubiquitous throughout global marine environments. Here, we present a classification of marine microdebris (i.e. debris between 0.1 mu m and <5 mm) tailored to represent synthetic, semi-synthetic and naturally-derived items. The specific aim of this classification is to introduce a level of consistency in the higher-level characterisation of marine microdebris, thereby improving the overall reporting on marine microdebris contamination. We first conducted an extensive literature review on the accumulation of ingested debris in fish to identify discrepancies in marine microdebris reporting as a basis for the new classification. The review reveals the diverse nature of ingested marine microdebris, including items that are non-plastic but often incorrectly reported on as microplastics. We then applied our classification to a case study on wild-caught juvenile coral trout, Plectropomus spp., from the Great Barrier Reef World Heritage Area, Australia. This first report on accumulation of ingested marine debris in commercial fish on the reef demonstrates a high frequency of occurrence and a prevalence of semi-synthetic and naturally-derived fibres. Based on our findings, we offer recommendations on potential improvements for the classification presented, ultimately contributing to a more realistic assessment of the ecological risks of marine microdebris.
dc.description.sponsorship The work presented in this paper was supported by the Australian Institute of Marine Science. The field collection was funded by FK's previous employer (CSIRO), and conducted with permission from the Great Barrier Reef Marine Park Authority, the Queensland Department of Agriculture, Fisheries & Forestry, and the CSIRO Ecosystem Sciences' Animal Ethics Committee. FK would like to thank the assistance and facilities provided by all four GBR research stations, and M. Santana for updating Fig. 1. Comments by M. Santana and two anonymous reviewers improved the manuscript.
dc.language English
dc.subject Demersal Fish
dc.subject Coastal Waters
dc.subject Plectropomus-leopardus
dc.subject Science & Technology - Other Topics
dc.subject Contamination
dc.subject Environment
dc.subject Multidisciplinary Sciences
dc.subject English-channel
dc.subject Microplastic Ingestion
dc.subject Gastrointestinal-tract
dc.subject North-sea
dc.subject Mediterranean Sea
dc.subject Waters
dc.subject Coastal
dc.subject Plastic Debris
dc.title Classification of marine microdebris: A review and case study on fish from the Great Barrier Reef, Australia
dc.type journal article
dc.identifier.doi 10.1038/s41598-018-34590-6
dc.identifier.wos WOS:000449274200008

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