Journal
ENVIRONMENTAL POLLUTION
Volume 236, Issue -, Pages 1014-1019Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2017.12.082
Keywords
European sea bass; Microplastics; Mixtures; Swimming performance; Behaviour
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Funding
- Fundack para a Ciencia e a Tecnologia, I.P. (FCT), Portugal [PTDC/MAR-PRO/1851/2014]
- European Regional Development Fund (ERDF) [POCI-01-0145-FEDER-016885, LISBOA-01-0145-FEDER-016885]
- FCT [UID/Multi/04423/2013]
- ERDF
- Institute of Biomedical Sciences of Abel Salazar of the University of Porto (ICBAS), Portugal (Department of Populations Study, Laboratory of Ecotoxicology ECOTOX)
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Microplastics and mercury are environmental pollutants of great concern. The main goal of the present study was to investigate the effects of these pollutants, both individually and in binary mixtures, on the swimming performance of juvenile European seabass, Dicentrarchus labrax. Microplastics alone, mercury alone and all the mixtures caused significant reduction of the swimming velocity and resistance time of fish. Moreover, changes in behavioural responses including lethargic and erratic swimming behaviour were observed. These results highlight that fish behavioural responses can be used as sensitive endpoint to establish the effects of contamination by microplastics and also emphasizes the need to assess the combined effects of microplastics and other environmental contaminants, with special attention to the effects on behavioural responses in fish and other aquatic species. (C) 2018 The Authors. Published by Elsevier Ltd.
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