Journal
ENVIRONMENTAL POLLUTION
Volume 199, Issue -, Pages 185-191Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2015.01.023
Keywords
Atlantic ocean; Marine pollution; Plastic debris; True's beaked whale; Microplastics
Categories
Funding
- Irish Research Council Postgraduate Scholarship
- GMIT 40th anniversary studentship
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When mammals strand, they present a unique opportunity to obtain insights into their ecology. In May 2013, three True's beaked whales (two adult females and a female calf) stranded on the north and west coasts of Ireland and the contents of their stomachs and intestines were analysed for anthropogenic debris. A method for identifying microplastics ingested by larger marine organisms was developed. Microplastics were identified throughout the digestive tract of the single whale that was examined for the presence of microplastics. The two adult females had macroplastic items in their stomachs. Food remains recovered from the adult whales consisted of mesopelagic fish (Benthosema glaciate, Nansenia spp., Chauliodius sloani) and cephalopods, although trophic transfer has been discussed, it was not possible to ascertain whether prey were the source of microplastics. This is the first study to directly identify microplastics <5 mm in a cetacean species. (C) 2015 Elsevier Ltd. All rights reserved.
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