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Population collapse of habitat-forming species in the Mediterranean: a long-term study of gorgonian populations affected by recurrent marine heatwaves

Understanding the resilience of temperate reefs to climate change requires exploring the recovery capacity of their habitat-forming species from recurrent marine heatwaves (MHWs). Here, we show that, in a Mediterranean highly enforced marine protected area established more than 40 years ago, habitat...

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Autores principales: Gómez-Gras, D., Linares, C., López-Sanz, A., Amate, R., Ledoux, J. B., Bensoussan, N., Drap, P., Bianchimani, O., Marschal, C., Torrents, O., Zuberer, F., Cebrian, E., Teixidó, N., Zabala, M., Kipson, S., Kersting, D. K., Montero-Serra, I., Pagès-Escolà, M., Medrano, A., Frleta-Valić, M., Dimarchopoulou, D., López-Sendino, P., Garrabou, J.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Royal Society 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8692971/
https://www.ncbi.nlm.nih.gov/pubmed/34933599
http://dx.doi.org/10.1098/rspb.2021.2384
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author Gómez-Gras, D.
Linares, C.
López-Sanz, A.
Amate, R.
Ledoux, J. B.
Bensoussan, N.
Drap, P.
Bianchimani, O.
Marschal, C.
Torrents, O.
Zuberer, F.
Cebrian, E.
Teixidó, N.
Zabala, M.
Kipson, S.
Kersting, D. K.
Montero-Serra, I.
Pagès-Escolà, M.
Medrano, A.
Frleta-Valić, M.
Dimarchopoulou, D.
López-Sendino, P.
Garrabou, J.
author_facet Gómez-Gras, D.
Linares, C.
López-Sanz, A.
Amate, R.
Ledoux, J. B.
Bensoussan, N.
Drap, P.
Bianchimani, O.
Marschal, C.
Torrents, O.
Zuberer, F.
Cebrian, E.
Teixidó, N.
Zabala, M.
Kipson, S.
Kersting, D. K.
Montero-Serra, I.
Pagès-Escolà, M.
Medrano, A.
Frleta-Valić, M.
Dimarchopoulou, D.
López-Sendino, P.
Garrabou, J.
author_sort Gómez-Gras, D.
collection PubMed
description Understanding the resilience of temperate reefs to climate change requires exploring the recovery capacity of their habitat-forming species from recurrent marine heatwaves (MHWs). Here, we show that, in a Mediterranean highly enforced marine protected area established more than 40 years ago, habitat-forming octocoral populations that were first affected by a severe MHW in 2003 have not recovered after 15 years. Contrarily, they have followed collapse trajectories that have brought them to the brink of local ecological extinction. Since 2003, impacted populations of the red gorgonian Paramuricea clavata (Risso, 1826) and the red coral Corallium rubrum (Linnaeus, 1758) have followed different trends in terms of size structure, but a similar progressive reduction in density and biomass. Concurrently, recurrent MHWs were observed in the area during the 2003–2018 study period, which may have hindered populations recovery. The studied octocorals play a unique habitat-forming role in the coralligenous assemblages (i.e. reefs endemic to the Mediterranean Sea home to approximately 10% of its species). Therefore, our results underpin the great risk that recurrent MHWs pose for the long-term integrity and functioning of these emblematic temperate reefs.
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spelling pubmed-86929712022-01-03 Population collapse of habitat-forming species in the Mediterranean: a long-term study of gorgonian populations affected by recurrent marine heatwaves Gómez-Gras, D. Linares, C. López-Sanz, A. Amate, R. Ledoux, J. B. Bensoussan, N. Drap, P. Bianchimani, O. Marschal, C. Torrents, O. Zuberer, F. Cebrian, E. Teixidó, N. Zabala, M. Kipson, S. Kersting, D. K. Montero-Serra, I. Pagès-Escolà, M. Medrano, A. Frleta-Valić, M. Dimarchopoulou, D. López-Sendino, P. Garrabou, J. Proc Biol Sci Ecology Understanding the resilience of temperate reefs to climate change requires exploring the recovery capacity of their habitat-forming species from recurrent marine heatwaves (MHWs). Here, we show that, in a Mediterranean highly enforced marine protected area established more than 40 years ago, habitat-forming octocoral populations that were first affected by a severe MHW in 2003 have not recovered after 15 years. Contrarily, they have followed collapse trajectories that have brought them to the brink of local ecological extinction. Since 2003, impacted populations of the red gorgonian Paramuricea clavata (Risso, 1826) and the red coral Corallium rubrum (Linnaeus, 1758) have followed different trends in terms of size structure, but a similar progressive reduction in density and biomass. Concurrently, recurrent MHWs were observed in the area during the 2003–2018 study period, which may have hindered populations recovery. The studied octocorals play a unique habitat-forming role in the coralligenous assemblages (i.e. reefs endemic to the Mediterranean Sea home to approximately 10% of its species). Therefore, our results underpin the great risk that recurrent MHWs pose for the long-term integrity and functioning of these emblematic temperate reefs. The Royal Society 2021-12-22 2021-12-22 /pmc/articles/PMC8692971/ /pubmed/34933599 http://dx.doi.org/10.1098/rspb.2021.2384 Text en © 2021 The Authors. https://creativecommons.org/licenses/by/4.0/Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, provided the original author and source are credited.
spellingShingle Ecology
Gómez-Gras, D.
Linares, C.
López-Sanz, A.
Amate, R.
Ledoux, J. B.
Bensoussan, N.
Drap, P.
Bianchimani, O.
Marschal, C.
Torrents, O.
Zuberer, F.
Cebrian, E.
Teixidó, N.
Zabala, M.
Kipson, S.
Kersting, D. K.
Montero-Serra, I.
Pagès-Escolà, M.
Medrano, A.
Frleta-Valić, M.
Dimarchopoulou, D.
López-Sendino, P.
Garrabou, J.
Population collapse of habitat-forming species in the Mediterranean: a long-term study of gorgonian populations affected by recurrent marine heatwaves
title Population collapse of habitat-forming species in the Mediterranean: a long-term study of gorgonian populations affected by recurrent marine heatwaves
title_full Population collapse of habitat-forming species in the Mediterranean: a long-term study of gorgonian populations affected by recurrent marine heatwaves
title_fullStr Population collapse of habitat-forming species in the Mediterranean: a long-term study of gorgonian populations affected by recurrent marine heatwaves
title_full_unstemmed Population collapse of habitat-forming species in the Mediterranean: a long-term study of gorgonian populations affected by recurrent marine heatwaves
title_short Population collapse of habitat-forming species in the Mediterranean: a long-term study of gorgonian populations affected by recurrent marine heatwaves
title_sort population collapse of habitat-forming species in the mediterranean: a long-term study of gorgonian populations affected by recurrent marine heatwaves
topic Ecology
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8692971/
https://www.ncbi.nlm.nih.gov/pubmed/34933599
http://dx.doi.org/10.1098/rspb.2021.2384
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