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Are shallow-water shrimps proxies for hydrothermal-vent shrimps to assess the impact of deep-sea mining?

Are shallow-water shrimps proxies for hydrothermal-vent shrimps to assess the impact of deep-sea mining?
Are shallow-water shrimps proxies for hydrothermal-vent shrimps to assess the impact of deep-sea mining?
Polymetallic seafloor massive sulphide deposits are potential targets for deep-sea mining, but high concentrations of metals (including copper - Cu) may be released during exploitation activities, potentially inducing harmful impact. To determine whether shallow-water shrimp are suitable ecotoxicological proxies for deep-sea hydrothermal vent shrimp the effects of waterborne Cu exposure (3 and 10 days at 0.4 and 4 μM concentrations) in Palaemon elegans, Palaemon serratus, and Palaemon varians were compared with Mirocaris fortunata. Accumulation of Cu and a set of biomarkers were analysed. Results show different responses among congeneric species indicating that it is not appropriate to use shallow-water shrimps as ecotoxicological proxies for deep-water shrimps. During the evolutionary history of these species they were likely subject to different chemical environments which may have induced different molecular/biochemical adaptations/tolerances. Results highlight the importance of analysing effects of deep-sea mining in situ and in local species to adequately assess ecotoxicological effects under natural environmental conditions.
0141-1136
Mestre, N.C.
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Auguste, M.
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De Sá, L.C.
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Fonseca, T.G.
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Cardoso, C.
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Brown, A.
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Barthelemy, D.
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Charlemagne, N.
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Hauton, C.
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Machon, J.
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Ravaux, J.
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Shillito, B.
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Thatje, S.
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Bebianno, M.J.
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Mestre, N.C.
1244bb6c-e243-420c-b258-89ff5f686779
Auguste, M.
695b1d51-f7b6-421d-84e9-bc878e83499d
De Sá, L.C.
864d884e-5ffe-4c88-9d1c-4aea6701ff60
Fonseca, T.G.
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Cardoso, C.
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Brown, A.
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Barthelemy, D.
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Charlemagne, N.
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Hauton, C.
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Machon, J.
459780bc-e60d-4bbe-b9cb-85ca9c83ddd7
Ravaux, J.
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Shillito, B.
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Thatje, S.
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Bebianno, M.J.
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Mestre, N.C., Auguste, M., De Sá, L.C., Fonseca, T.G., Cardoso, C., Brown, A., Barthelemy, D., Charlemagne, N., Hauton, C., Machon, J., Ravaux, J., Shillito, B., Thatje, S. and Bebianno, M.J. (2019) Are shallow-water shrimps proxies for hydrothermal-vent shrimps to assess the impact of deep-sea mining? Marine Environmental Research, [104771]. (doi:10.1016/j.marenvres.2019.104771).

Record type: Article

Abstract

Polymetallic seafloor massive sulphide deposits are potential targets for deep-sea mining, but high concentrations of metals (including copper - Cu) may be released during exploitation activities, potentially inducing harmful impact. To determine whether shallow-water shrimp are suitable ecotoxicological proxies for deep-sea hydrothermal vent shrimp the effects of waterborne Cu exposure (3 and 10 days at 0.4 and 4 μM concentrations) in Palaemon elegans, Palaemon serratus, and Palaemon varians were compared with Mirocaris fortunata. Accumulation of Cu and a set of biomarkers were analysed. Results show different responses among congeneric species indicating that it is not appropriate to use shallow-water shrimps as ecotoxicological proxies for deep-water shrimps. During the evolutionary history of these species they were likely subject to different chemical environments which may have induced different molecular/biochemical adaptations/tolerances. Results highlight the importance of analysing effects of deep-sea mining in situ and in local species to adequately assess ecotoxicological effects under natural environmental conditions.

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Mestre_et_al_2019_MER_final - Accepted Manuscript
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Accepted/In Press date: 4 August 2019
e-pub ahead of print date: 5 August 2019

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Local EPrints ID: 433983
URI: http://eprints.soton.ac.uk/id/eprint/433983
ISSN: 0141-1136
PURE UUID: 0941b80d-91ab-4253-af42-5fb8573d01af
ORCID for C. Hauton: ORCID iD orcid.org/0000-0002-2313-4226

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Date deposited: 09 Sep 2019 16:30
Last modified: 18 Feb 2021 16:46

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Contributors

Author: N.C. Mestre
Author: M. Auguste
Author: L.C. De Sá
Author: T.G. Fonseca
Author: C. Cardoso
Author: A. Brown
Author: D. Barthelemy
Author: N. Charlemagne
Author: C. Hauton ORCID iD
Author: J. Machon
Author: J. Ravaux
Author: B. Shillito
Author: S. Thatje
Author: M.J. Bebianno

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