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Resilience of benthic deep-sea fauna to mining activities

Resilience of benthic deep-sea fauna to mining activities
Resilience of benthic deep-sea fauna to mining activities
With increasing demand for mineral resources, extraction of polymetallic sulphides at hydrothermal vents, cobalt-rich ferromanganese crusts at seamounts, and polymetallic nodules on abyssal plains may be imminent. Here, we shortly introduce ecosystem characteristics of mining areas, report on recent mining developments, and identify potential stress and disturbances created by mining. We analyze species’ potential resistance to future mining and perform meta-analyses on population density and diversity recovery after disturbances most similar to mining: volcanic eruptions at vents, fisheries on seamounts, and experiments that mimic nodule mining on abyssal plains. We report wide variation in recovery rates among taxa, size, and mobility of fauna. While densities and diversities of some taxa can recover to or even exceed pre-disturbance levels, community composition remains affected after decades. The loss of hard substrata or alteration of substrata composition may cause substantial community shifts that persist over geological timescales at mined sites.
0141-1136
76-101
Gollner, Sabine
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Kaiser, Stefanie
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Menzel, Lena
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Jones, Daniel O.B.
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Brown, Alastair
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Mestre, Nelia C.
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Van Oevelen, Dick
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Menot, Lenaick
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Colaço, Ana
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Canals, Miquel
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Cuvelier, Daphne
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Durden, Jennifer M.
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Gebruk, Andrey
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Haeckel, Matthias
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Marcon, Yann
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Mevenkamp, Lisa
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Morato, Telmo
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Pham, Christopher K.
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Purser, Autun
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Sanchez-Vidal, Anna
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Vanreusel, Ann
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Vink, Annemiek
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Martinez Arbizu, Pedro
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Gollner, Sabine
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Menzel, Lena
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Jones, Daniel O.B.
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Brown, Alastair
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Mestre, Nelia C.
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Van Oevelen, Dick
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Menot, Lenaick
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Colaço, Ana
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Canals, Miquel
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Cuvelier, Daphne
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Durden, Jennifer M.
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Gebruk, Andrey
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Haeckel, Matthias
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Marcon, Yann
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Mevenkamp, Lisa
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Morato, Telmo
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Pham, Christopher K.
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Purser, Autun
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Sanchez-Vidal, Anna
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Vanreusel, Ann
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Vink, Annemiek
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Martinez Arbizu, Pedro
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Gollner, Sabine, Kaiser, Stefanie, Menzel, Lena, Jones, Daniel O.B., Brown, Alastair, Mestre, Nelia C., Van Oevelen, Dick, Menot, Lenaick, Colaço, Ana, Canals, Miquel, Cuvelier, Daphne, Durden, Jennifer M., Gebruk, Andrey, Egho, Great A., Haeckel, Matthias, Marcon, Yann, Mevenkamp, Lisa, Morato, Telmo, Pham, Christopher K., Purser, Autun, Sanchez-Vidal, Anna, Vanreusel, Ann, Vink, Annemiek and Martinez Arbizu, Pedro (2017) Resilience of benthic deep-sea fauna to mining activities. Marine Environmental Research, 129, 76-101. (doi:10.1016/j.marenvres.2017.04.010).

Record type: Article

Abstract

With increasing demand for mineral resources, extraction of polymetallic sulphides at hydrothermal vents, cobalt-rich ferromanganese crusts at seamounts, and polymetallic nodules on abyssal plains may be imminent. Here, we shortly introduce ecosystem characteristics of mining areas, report on recent mining developments, and identify potential stress and disturbances created by mining. We analyze species’ potential resistance to future mining and perform meta-analyses on population density and diversity recovery after disturbances most similar to mining: volcanic eruptions at vents, fisheries on seamounts, and experiments that mimic nodule mining on abyssal plains. We report wide variation in recovery rates among taxa, size, and mobility of fauna. While densities and diversities of some taxa can recover to or even exceed pre-disturbance levels, community composition remains affected after decades. The loss of hard substrata or alteration of substrata composition may cause substantial community shifts that persist over geological timescales at mined sites.

Text
Gollner_al._Mar_Env_Res_17_accepted - Accepted Manuscript
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Accepted/In Press date: 10 April 2017
e-pub ahead of print date: 13 April 2017
Organisations: Ocean and Earth Science, Ocean Biochemistry & Ecosystems, National Oceanography Centre, Marine Biology & Ecology, Southampton Marine & Maritime Institute

Identifiers

Local EPrints ID: 410335
URI: http://eprints.soton.ac.uk/id/eprint/410335
ISSN: 0141-1136
PURE UUID: e2d5a104-f6bd-4471-bd6a-c485f2e13f25

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Date deposited: 07 Jun 2017 16:30
Last modified: 10 Jan 2022 06:14

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Contributors

Author: Sabine Gollner
Author: Stefanie Kaiser
Author: Lena Menzel
Author: Daniel O.B. Jones
Author: Alastair Brown
Author: Nelia C. Mestre
Author: Dick Van Oevelen
Author: Lenaick Menot
Author: Ana Colaço
Author: Miquel Canals
Author: Daphne Cuvelier
Author: Jennifer M. Durden
Author: Andrey Gebruk
Author: Great A. Egho
Author: Matthias Haeckel
Author: Yann Marcon
Author: Lisa Mevenkamp
Author: Telmo Morato
Author: Christopher K. Pham
Author: Autun Purser
Author: Anna Sanchez-Vidal
Author: Ann Vanreusel
Author: Annemiek Vink
Author: Pedro Martinez Arbizu

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