Regional and local environmental conditions do not shape the response to warming of a marine habitat-forming species

Abstract The differential response of marine populations to climate change remains poorly understood. Here, we combine common garden thermotolerance experiments in aquaria and population genetics to disentangle the factors driving the population response to thermal stress in a temperate habitat-form...

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Autores principales:	C. Crisci, J.-B. Ledoux, K. Mokhtar- Jamaï, M. Bally, N. Bensoussan, D. Aurelle, E. Cebrian, R. Coma, J.- P. Féral, M. La Rivière, C. Linares, P. López-Sendino, C. Marschal, M. Ribes, N. Teixidó, F. Zuberer, J. Garrabou
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/cda950aa91444271b75156696f085c10
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spelling	oai:doaj.org-article:cda950aa91444271b75156696f085c102021-12-02T16:06:14ZRegional and local environmental conditions do not shape the response to warming of a marine habitat-forming species10.1038/s41598-017-05220-42045-2322https://doaj.org/article/cda950aa91444271b75156696f085c102017-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-05220-4https://doaj.org/toc/2045-2322Abstract The differential response of marine populations to climate change remains poorly understood. Here, we combine common garden thermotolerance experiments in aquaria and population genetics to disentangle the factors driving the population response to thermal stress in a temperate habitat-forming species: the octocoral Paramuricea clavata. Using eight populations separated from tens of meters to hundreds of kilometers, which were differentially impacted by recent mortality events, we identify 25 °C as a critical thermal threshold. After one week of exposure at this temperature, seven of the eight populations were affected by tissue necrosis and after 30 days of exposure at this temperature, the mean % of affected colonies increased gradually from 3 to 97%. We then demonstrate the weak relation between the observed differential phenotypic responses and the local temperature regimes experienced by each population. A significant correlation was observed between these responses and the extent of genetic drift impacting each population. Local adaptation may thus be hindered by genetic drift, which seems to be the main driver of the differential response. Accordingly, conservation measures should promote connectivity and control density erosion in order to limit the impact of genetic drift on marine populations facing climate change.C. CrisciJ.-B. LedouxK. Mokhtar- JamaïM. BallyN. BensoussanD. AurelleE. CebrianR. ComaJ.- P. FéralM. La RivièreC. LinaresP. López-SendinoC. MarschalM. RibesN. TeixidóF. ZubererJ. GarrabouNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-13 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q C. Crisci J.-B. Ledoux K. Mokhtar- Jamaï M. Bally N. Bensoussan D. Aurelle E. Cebrian R. Coma J.- P. Féral M. La Rivière C. Linares P. López-Sendino C. Marschal M. Ribes N. Teixidó F. Zuberer J. Garrabou Regional and local environmental conditions do not shape the response to warming of a marine habitat-forming species
description	Abstract The differential response of marine populations to climate change remains poorly understood. Here, we combine common garden thermotolerance experiments in aquaria and population genetics to disentangle the factors driving the population response to thermal stress in a temperate habitat-forming species: the octocoral Paramuricea clavata. Using eight populations separated from tens of meters to hundreds of kilometers, which were differentially impacted by recent mortality events, we identify 25 °C as a critical thermal threshold. After one week of exposure at this temperature, seven of the eight populations were affected by tissue necrosis and after 30 days of exposure at this temperature, the mean % of affected colonies increased gradually from 3 to 97%. We then demonstrate the weak relation between the observed differential phenotypic responses and the local temperature regimes experienced by each population. A significant correlation was observed between these responses and the extent of genetic drift impacting each population. Local adaptation may thus be hindered by genetic drift, which seems to be the main driver of the differential response. Accordingly, conservation measures should promote connectivity and control density erosion in order to limit the impact of genetic drift on marine populations facing climate change.
format	article
author	C. Crisci J.-B. Ledoux K. Mokhtar- Jamaï M. Bally N. Bensoussan D. Aurelle E. Cebrian R. Coma J.- P. Féral M. La Rivière C. Linares P. López-Sendino C. Marschal M. Ribes N. Teixidó F. Zuberer J. Garrabou
author_facet	C. Crisci J.-B. Ledoux K. Mokhtar- Jamaï M. Bally N. Bensoussan D. Aurelle E. Cebrian R. Coma J.- P. Féral M. La Rivière C. Linares P. López-Sendino C. Marschal M. Ribes N. Teixidó F. Zuberer J. Garrabou
author_sort	C. Crisci
title	Regional and local environmental conditions do not shape the response to warming of a marine habitat-forming species
title_short	Regional and local environmental conditions do not shape the response to warming of a marine habitat-forming species
title_full	Regional and local environmental conditions do not shape the response to warming of a marine habitat-forming species
title_fullStr	Regional and local environmental conditions do not shape the response to warming of a marine habitat-forming species
title_full_unstemmed	Regional and local environmental conditions do not shape the response to warming of a marine habitat-forming species
title_sort	regional and local environmental conditions do not shape the response to warming of a marine habitat-forming species
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/cda950aa91444271b75156696f085c10
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Regional and local environmental conditions do not shape the response to warming of a marine habitat-forming species

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