Organic additive release from plastic to seawater is lower under deep-sea conditions

Type Article
Date 2021-07
Language English
Author(s) Fauvelle VincentORCID1, Garel Marc1, Tamburini ChristianORCID1, Nerini David1, Castro-Jiménez JavierORCID2, Schmidt Natascha1, Paluselli Andrea3, Fahs Armand4, Papillon Laure1, Booth Andy M.ORCID5, Sempéré RichardORCID1
Affiliation(s) 1 : Aix-Marseille University, Toulon University, CNRS, IRD, Mediterranean Institute of Oceanography (MIO), Marseille, France
2 : Laboratory of Biogeochemistry of Organic Contaminants (LBCO), IFREMER, Nantes, France
3 : Department of Basic Science, Incheon National University, Incheon, South Korea
4 : Laboratory MAPIEM (EA 4323), University of Toulon, Toulon, France
5 : SINTEF Ocean AS, Environment and New Resources, Trondheim, Norway
Source Nature Communications (2041-1723) (Springer Science and Business Media LLC), 2021-07 , Vol. 12 , N. 1 , P. 4426 (8p.)
DOI 10.1038/s41467-021-24738-w
Abstract

Plastic garbage patches at the ocean surface are symptomatic of a wider pollution affecting the whole marine environment. Sinking of plastic debris increasingly appears to be an important process in the global fate of plastic in the ocean. However, there is insufficient knowledge about the processes affecting plastic distributions and degradation and how this influences the release of additives under varying environmental conditions, especially in deep-sea environments. Here we show that in abiotic conditions increasing hydrostatic pressure inhibits the leaching of the heaviest organic additives such as tris(2-ethylhexyl) phosphate and diisononyl phthalate from polyethylene and polyvinylchloride materials, whereas deep-sea and surface marine prokaryotes promote the release of all targeted additives (phthalates, bisphenols, organophosphate esters). This study provides empirical evidences for more efficient additive release at the ocean surface than in deep seawater, where the major plastic burden is supposed to transit through before reaching the sediment compartment.

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How to cite 

Fauvelle Vincent, Garel Marc, Tamburini Christian, Nerini David, Castro-Jiménez Javier, Schmidt Natascha, Paluselli Andrea, Fahs Armand, Papillon Laure, Booth Andy M., Sempéré Richard (2021). Organic additive release from plastic to seawater is lower under deep-sea conditions. Nature Communications, 12(1), 4426 (8p.). Publisher's official version : https://doi.org/10.1038/s41467-021-24738-w , Open Access version : https://archimer.ifremer.fr/doc/00706/81771/