Picoeukaryotic diversity in the Gulf of Gabès: variability patterns and relationships to nutrients and water masses

17 pages, 7 figures, 3 tables, supplementary material https://doi.org/10.3354/ame01857

Detalles Bibliográficos
Autores: Bellaaj Zouari, Amel, Bel Hassen, Malika, Balagué, Vanessa, Sahli, Emna, Yacine Ben Kacem, Mohamed, Akrout, Fourat, Hamza, Asma, Massana, Ramon
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2018
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/163990
Acceso en línea:http://hdl.handle.net/10261/163990
Access Level:acceso abierto
Palabra clave:Picoeukaryotes
Gulf of Gabès
Mediterranean Sea
Water masses
Inorganic nutrients
Diversity
18S rDNA
V4
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spelling Picoeukaryotic diversity in the Gulf of Gabès: variability patterns and relationships to nutrients and water massesBellaaj Zouari, AmelBel Hassen, MalikaBalagué, VanessaSahli, EmnaYacine Ben Kacem, MohamedAkrout, FouratHamza, AsmaMassana, RamonPicoeukaryotesGulf of GabèsMediterranean SeaWater massesInorganic nutrientsDiversity18S rDNAV417 pages, 7 figures, 3 tables, supplementary material https://doi.org/10.3354/ame01857Marine picoeukaryotes show high phylogenetic diversity worldwide, notably in oligotrophic waters. In the Gulf of Gabès (south-eastern Mediterranean), characterized by oligotrophic conditions and a complex water mass circulation, information on picoeukaryotic diversity is still lacking. In this study, we investigated the diversity and spatial variability of picoeukaryotic assemblages in relation to nutrient availability, physical parameters and water masses in 3 cruises carried out in the Gulf of Gabès in June of 2008, April of 2009 and November of 2009. High-throughput sequencing revealed a dominance of sequences from non photosynthetic picoeukaryotes, mostly represented by the presumably parasitic marine alveolate MALV-II (33.20%) and the bacterivorous Bicosoecida (13.56%). Differences in picoeukaryotic assemblages were higher between coastal and open-sea stations, and depth in the water column also affected community differences, with surface (5 m), intermediate (25-100 m) and mesopelagic (>200 m) samples forming separate groups. A clear temporal variability was also evident, particularly for communities collected from the surface layer and open-sea stations. Co-inertia analysis revealed that picoeukaryotic groups were more affected by salinity in deep waters, whereas at the surface, they were dependent on nutrients and temperature. During the November cruise, samples that shared similar water mass properties generally clustered together. The Levantine water mass, observed for the first time in this area, was characterized by the presence of Acantharia and Polycystinea. Our study highlights the role of physical and chemical features, such as water mass origin, the wide continental shelf and trophic status, in determining the diversity of marine picoeukaryotesThis study was partially supported by the European funded project ‘Improving National Capacities in Observation and Management of Marine Environment in Tunisia’ (INCOMMET, 295009)Peer ReviewedInter ResearchEuropean CommissionConsejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]2018201820182018info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10261/163990reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Ingléshttps://doi.org/10.3354/ame01857Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/1639902026-05-22T06:33:51Z
dc.title.none.fl_str_mv Picoeukaryotic diversity in the Gulf of Gabès: variability patterns and relationships to nutrients and water masses
title Picoeukaryotic diversity in the Gulf of Gabès: variability patterns and relationships to nutrients and water masses
spellingShingle Picoeukaryotic diversity in the Gulf of Gabès: variability patterns and relationships to nutrients and water masses
Bellaaj Zouari, Amel
Picoeukaryotes
Gulf of Gabès
Mediterranean Sea
Water masses
Inorganic nutrients
Diversity
18S rDNA
V4
title_short Picoeukaryotic diversity in the Gulf of Gabès: variability patterns and relationships to nutrients and water masses
title_full Picoeukaryotic diversity in the Gulf of Gabès: variability patterns and relationships to nutrients and water masses
title_fullStr Picoeukaryotic diversity in the Gulf of Gabès: variability patterns and relationships to nutrients and water masses
title_full_unstemmed Picoeukaryotic diversity in the Gulf of Gabès: variability patterns and relationships to nutrients and water masses
title_sort Picoeukaryotic diversity in the Gulf of Gabès: variability patterns and relationships to nutrients and water masses
dc.creator.none.fl_str_mv Bellaaj Zouari, Amel
Bel Hassen, Malika
Balagué, Vanessa
Sahli, Emna
Yacine Ben Kacem, Mohamed
Akrout, Fourat
Hamza, Asma
Massana, Ramon
author Bellaaj Zouari, Amel
author_facet Bellaaj Zouari, Amel
Bel Hassen, Malika
Balagué, Vanessa
Sahli, Emna
Yacine Ben Kacem, Mohamed
Akrout, Fourat
Hamza, Asma
Massana, Ramon
author_role author
author2 Bel Hassen, Malika
Balagué, Vanessa
Sahli, Emna
Yacine Ben Kacem, Mohamed
Akrout, Fourat
Hamza, Asma
Massana, Ramon
author2_role author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv European Commission
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Picoeukaryotes
Gulf of Gabès
Mediterranean Sea
Water masses
Inorganic nutrients
Diversity
18S rDNA
V4
topic Picoeukaryotes
Gulf of Gabès
Mediterranean Sea
Water masses
Inorganic nutrients
Diversity
18S rDNA
V4
description 17 pages, 7 figures, 3 tables, supplementary material https://doi.org/10.3354/ame01857
publishDate 2018
dc.date.none.fl_str_mv 2018
2018
2018
2018
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/163990
url http://hdl.handle.net/10261/163990
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv https://doi.org/10.3354/ame01857
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Inter Research
publisher.none.fl_str_mv Inter Research
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,812429

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