North Atlantic Oscillation drives the annual occurrence of an isolated, peripheral population of the brown seaweed Fucus guiryi in the Western Mediterranean Sea

The canopy-forming, intertidal brown (Phaeophyceae) seaweed Fucus guiryi is distributed along the cold-temperate and warm-temperate coasts of Europe and North Africa. Curiously, an isolated population develops at Punta Calaburras (Alboran Sea, Western Mediterranean) but thalli are not present in mid...

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Published in:PeerJ
Main Authors: Melero-Jiménez, Ignacio J., Salvo, A. Enrique, Báez, José C., Bañares-España, Elena, Reul, Andreas, Flores-Moya, Antonio
Format: Text
Language:English
Published: PeerJ Inc. 2017
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Online Access:http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5691785/
http://www.ncbi.nlm.nih.gov/pubmed/29158980
https://doi.org/10.7717/peerj.4048
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spelling ftpubmed:oai:pubmedcentral.nih.gov:5691785 2023-05-15T15:14:45+02:00 North Atlantic Oscillation drives the annual occurrence of an isolated, peripheral population of the brown seaweed Fucus guiryi in the Western Mediterranean Sea Melero-Jiménez, Ignacio J. Salvo, A. Enrique Báez, José C. Bañares-España, Elena Reul, Andreas Flores-Moya, Antonio 2017-11-14 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5691785/ http://www.ncbi.nlm.nih.gov/pubmed/29158980 https://doi.org/10.7717/peerj.4048 en eng PeerJ Inc. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5691785/ http://www.ncbi.nlm.nih.gov/pubmed/29158980 http://dx.doi.org/10.7717/peerj.4048 ©2017 Melero-Jiménez et al. http://creativecommons.org/licenses/by/4.0/ This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, reproduction and adaptation in any medium and for any purpose provided that it is properly attributed. For attribution, the original author(s), title, publication source (PeerJ) and either DOI or URL of the article must be cited. CC-BY Ecology Text 2017 ftpubmed https://doi.org/10.7717/peerj.4048 2017-11-26T01:15:53Z The canopy-forming, intertidal brown (Phaeophyceae) seaweed Fucus guiryi is distributed along the cold-temperate and warm-temperate coasts of Europe and North Africa. Curiously, an isolated population develops at Punta Calaburras (Alboran Sea, Western Mediterranean) but thalli are not present in midsummer every year, unlike the closest (ca. 80 km), perennial populations at the Strait of Gibraltar. The persistence of the alga at Punta Calaburras could be due to the growth of resilient, microscopic stages as well as the arrival of few–celled stages originating from neighbouring localities, and transported by the permanent Atlantic Jet flowing from the Atlantic Ocean into the Mediterranean. A twenty-six year time series (from 1990 to 2015) of midsummer occurrence of F. guiryi thalli at Punta Calaburras has been analysed by correlating with oceanographic (sea surface temperature, an estimator of the Atlantic Jet power) and climatic factors (air temperature, rainfall, and North Atlantic Oscillation –NAO-, and Arctic Oscillation –AO- indexes). The midsummer occurrence of thalli clustered from 1990–1994 and 1999–2004, with sporadic occurrences in 2006 and 2011. Binary logistic regression showed that the occurrence of thalli at Punta Calaburras in midsummer is favoured under positive NAO index from April to June. It has been hypothesized that isolated population of F. guiryi should show greater stress than their congeners of permanent populations, and to this end, two approaches were used to evaluate stress: one based on the integrated response during ontogeny (developmental instability, based on measurements of the fractal branching pattern of algal thalli) and another based on the photosynthetic response. Although significant differences were detected in photosynthetic quantum yield and water loss under emersion conditions, with thalli from Punta Calaburras being more affected by emersion than those from Tarifa, the developmental instability showed that the population from Tarifa suffers higher stress during ontogeny ... Text Arctic North Atlantic North Atlantic oscillation PubMed Central (PMC) Arctic PeerJ 5 e4048
institution Open Polar
collection PubMed Central (PMC)
op_collection_id ftpubmed
language English
topic Ecology
spellingShingle Ecology
Melero-Jiménez, Ignacio J.
Salvo, A. Enrique
Báez, José C.
Bañares-España, Elena
Reul, Andreas
Flores-Moya, Antonio
North Atlantic Oscillation drives the annual occurrence of an isolated, peripheral population of the brown seaweed Fucus guiryi in the Western Mediterranean Sea
topic_facet Ecology
description The canopy-forming, intertidal brown (Phaeophyceae) seaweed Fucus guiryi is distributed along the cold-temperate and warm-temperate coasts of Europe and North Africa. Curiously, an isolated population develops at Punta Calaburras (Alboran Sea, Western Mediterranean) but thalli are not present in midsummer every year, unlike the closest (ca. 80 km), perennial populations at the Strait of Gibraltar. The persistence of the alga at Punta Calaburras could be due to the growth of resilient, microscopic stages as well as the arrival of few–celled stages originating from neighbouring localities, and transported by the permanent Atlantic Jet flowing from the Atlantic Ocean into the Mediterranean. A twenty-six year time series (from 1990 to 2015) of midsummer occurrence of F. guiryi thalli at Punta Calaburras has been analysed by correlating with oceanographic (sea surface temperature, an estimator of the Atlantic Jet power) and climatic factors (air temperature, rainfall, and North Atlantic Oscillation –NAO-, and Arctic Oscillation –AO- indexes). The midsummer occurrence of thalli clustered from 1990–1994 and 1999–2004, with sporadic occurrences in 2006 and 2011. Binary logistic regression showed that the occurrence of thalli at Punta Calaburras in midsummer is favoured under positive NAO index from April to June. It has been hypothesized that isolated population of F. guiryi should show greater stress than their congeners of permanent populations, and to this end, two approaches were used to evaluate stress: one based on the integrated response during ontogeny (developmental instability, based on measurements of the fractal branching pattern of algal thalli) and another based on the photosynthetic response. Although significant differences were detected in photosynthetic quantum yield and water loss under emersion conditions, with thalli from Punta Calaburras being more affected by emersion than those from Tarifa, the developmental instability showed that the population from Tarifa suffers higher stress during ontogeny ...
format Text
author Melero-Jiménez, Ignacio J.
Salvo, A. Enrique
Báez, José C.
Bañares-España, Elena
Reul, Andreas
Flores-Moya, Antonio
author_facet Melero-Jiménez, Ignacio J.
Salvo, A. Enrique
Báez, José C.
Bañares-España, Elena
Reul, Andreas
Flores-Moya, Antonio
author_sort Melero-Jiménez, Ignacio J.
title North Atlantic Oscillation drives the annual occurrence of an isolated, peripheral population of the brown seaweed Fucus guiryi in the Western Mediterranean Sea
title_short North Atlantic Oscillation drives the annual occurrence of an isolated, peripheral population of the brown seaweed Fucus guiryi in the Western Mediterranean Sea
title_full North Atlantic Oscillation drives the annual occurrence of an isolated, peripheral population of the brown seaweed Fucus guiryi in the Western Mediterranean Sea
title_fullStr North Atlantic Oscillation drives the annual occurrence of an isolated, peripheral population of the brown seaweed Fucus guiryi in the Western Mediterranean Sea
title_full_unstemmed North Atlantic Oscillation drives the annual occurrence of an isolated, peripheral population of the brown seaweed Fucus guiryi in the Western Mediterranean Sea
title_sort north atlantic oscillation drives the annual occurrence of an isolated, peripheral population of the brown seaweed fucus guiryi in the western mediterranean sea
publisher PeerJ Inc.
publishDate 2017
url http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5691785/
http://www.ncbi.nlm.nih.gov/pubmed/29158980
https://doi.org/10.7717/peerj.4048
geographic Arctic
geographic_facet Arctic
genre Arctic
North Atlantic
North Atlantic oscillation
genre_facet Arctic
North Atlantic
North Atlantic oscillation
op_relation http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5691785/
http://www.ncbi.nlm.nih.gov/pubmed/29158980
http://dx.doi.org/10.7717/peerj.4048
op_rights ©2017 Melero-Jiménez et al.
http://creativecommons.org/licenses/by/4.0/
This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use, distribution, reproduction and adaptation in any medium and for any purpose provided that it is properly attributed. For attribution, the original author(s), title, publication source (PeerJ) and either DOI or URL of the article must be cited.
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