Chemicals sorbed to environmental microplastics are toxic to early life stages of aquatic organisms

Type Article
Date 2021-01
Language English
Author(s) Cormier Bettie1, 2, Gambardella Chiara3, Tato Tania4, Perdriat Quentin1, Costa Elisa3, Veclin Cloé5, Le Bihanic Florane1, Grassl Bruno5, Dubocq Florian2, Kärrman Anna2, Van Arkel Kim6, Lemoine Soazig7, Lagarde Fabienne8, Morin Benedicte1, Garaventa Francesca3, Faimali Marco3, Cousin XavierORCID10, 11, Bégout Marie-LaureORCID9, Beiras Ricardo4, Cachot Jerome1
Affiliation(s) 1 : Bordeaux University, EPOC, UMR CNRS University of Bordeaux EPHE 5805, Avenue des Facultés, 33400 Talence, France
2 : Man-Technology-Environment Research Centre, School of Science and Technology, Örebro University, Fakultetsgatan 1, 701 82 Örebro, Sweden
3 : Institute for the study of Anthropic Impacts and Sustainability in Marine Environment – National Research Council (CNR-IAS), Genova, Italy
4 : Faculty of Marine Sciences, University of Vigo, E-36310 Vigo, Galicia, Spain
5 : CNRS/University of Pau & Pays Adour/E2S UPPA, Institut des Sciences Analytiques et de Physicochimie pour l'Environnement et les Matériaux, UMR 5254, 64000, Pau, France
6 : Race for Water Foundation, Lausanne 1007, Switzerland
7 : Laboratoire de biologie marine, Université des Antilles, French West Indies, Campus de Fouillole, BP 592, 97117, Pointe-à-Pitre, France
8 : Institut des Molécules et Matériaux du Mans (IMMM, UMR CNRS 6283), Université du Maine, Avenu Olivier Messiaen, F-72085 Le Mans, France
9 : MARBEC, University of Montpellier, CNRS, IFREMER, IRD, 34250 Palavas-les-Flots, France
10 : University of Paris-Saclay, AgroParisTech, INRAE, GABI, 78350 Jouy-en-Josas, France
11 : MARBEC, University of Montpellier, CNRS, IFREMER, IRD, 34250 Palavas-les-Flots, France
Source Ecotoxicology And Environmental Safety (0147-6513) (Elsevier BV), 2021-01 , Vol. 208 , P. 111665 (10p.)
DOI 10.1016/j.ecoenv.2020.111665
WOS© Times Cited 34
Keyword(s) Environmental microplastics, Leachates, Early life stages, Aquatic organisms, Toxicity

Microplastics are ubiquitous in aquatic ecosystems, but little information is currently available on the dangers and risks to living organisms. In order to assess the ecotoxicity of environmental microplastics (MPs), samples were collected from the beaches of two islands in the Guadeloupe archipelago, Petit-Bourg (PB) located on the main island of Guadeloupe and Marie-Galante (MG) on the second island of the archipelago. These samples have a similar polymer composition with mainly polyethylene (PE) and polypropylene (PP). However, these two samples are very dissimilar with regard to their contamination profile and their toxicity. MPs from MG contain more lead, cadmium and organochlorine compounds while those from PB have higher levels of copper, zinc and hydrocarbons. The leachates of these two samples of MPs induced sublethal effects on the growth of sea urchins and on the pulsation frequency of jellyfish ephyrae but not on the development of zebrafish embryos. The toxic effects are much more marked for samples from the PB site than those from the MG site. This work demonstrates that MPs can contain high levels of potentially bioavailable toxic substances that may represent a significant ecotoxicological risk, particularly for the early life stages of aquatic animals.

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Cormier Bettie, Gambardella Chiara, Tato Tania, Perdriat Quentin, Costa Elisa, Veclin Cloé, Le Bihanic Florane, Grassl Bruno, Dubocq Florian, Kärrman Anna, Van Arkel Kim, Lemoine Soazig, Lagarde Fabienne, Morin Benedicte, Garaventa Francesca, Faimali Marco, Cousin Xavier, Bégout Marie-Laure, Beiras Ricardo, Cachot Jerome (2021). Chemicals sorbed to environmental microplastics are toxic to early life stages of aquatic organisms. Ecotoxicology And Environmental Safety, 208, 111665 (10p.). Publisher's official version : , Open Access version :