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Shallow subtidal macroalgae in the North-eastern Atlantic archipelagos (Macaronesian region): a spatial approach to community structure

2018Journal article Open access
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dc.contributor.authorSangil, Carlos
dc.contributor.authorMartins, Gustavo M.
dc.contributor.authorHernández, José Carlos
dc.contributor.authorAlves, Filipe
dc.contributor.authorNeto, Ana I.
dc.contributor.authorRibeiro, Cláudia
dc.contributor.authorLeón-Cisneros, Karla
dc.contributor.authorCanning-Clode, João
dc.contributor.authorRosas-Alquicira, Edgar
dc.contributor.authorMendoza, José Carlos
dc.contributor.authorTitley, Ian
dc.contributor.authorWallenstein, Francisco
dc.contributor.authorCouto, Ruben P.
dc.contributor.authorKaufmann, Manfred
dc.date.accessioned2021-10-04T13:38:36Z
dc.date.available2021-10-04T13:38:36Z
dc.date.issued2018
dc.description.abstractShallow subtidal macroalgal communities in the North-eastern Atlantic archipelagos (Azores, Madeira, Canaries and Cape Verde) were studied in order to identify their spatial organization patterns and the main drivers of change. Fifteen islands and 145 sites across 15º of latitude and 2850 km were sampled. We found high spatial variability across the scales considered (archipelago, island and site). The structure of macroalgal communities differed among archipelagos, except between Madeira and the Canaries, which were similar. Across a latitudinal gradient, macroalgal communities in the Azores were clearly separated from the other archipelagos; communities in Madeira and the Canaries occupied an intermediate position, while those in Cape Verde appeared at the opposite end of the gradient. In the Azores, species with warm-temperate affinities dominated commu nities. Cape Verde communities were, in contrast, dominated by tropical taxa, whereas in the subtropical Canaries and Madeira there was a mixture of species with colder and warmer affinities. Apart from crustose coralline algae, the Dictyotales were the group with greatest cover; larger and longer-lived species were progressively replaced by short-lived species along a latitudinal gradient from north to south. The perennial species Zonaria tournefortii dominated the sea-bottom in the Azores, the semi perennial Lophophora variegata in the Canaries, the filamentous algae in Madeira and the ephemeral Dictyota dichotoma in Cape Verde. We hypothesized that the differences among archipelagos could be explained by synergies between temperature and herbivory, which increased in diversity southwards, especially in Cape Verde. This was supported by the predominance of non crustose macroalgae in the Azores and of crustose macroalgae in Cape Verde, as would be predicted from the greater herbivore activity. At the scale of islands and sites, the same set of environmental variables drove differences in macroalgal community structure across all the Macaronesian archipelagos.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationSangil, C., Martins, G. M., Hernández, J. C., Alves, F., Neto, A. I., Ribeiro, C., ... & Kaufmann, M. (2018). Shallow subtidal macroalgae in the North-eastern Atlantic archipelagos (Macaronesian region): a spatial approach to community structure. European Journal of Phycology, 53(1), 83-98. https://doi.org/10.1080/09670262.2017.1385098pt_PT
dc.identifier.doi10.1080/09670262.2017.1385098pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.13/3695
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherTaylor and Francispt_PT
dc.relationEFFECTS OF BIODIVERSITY ON ECOSYSTEM FUNCTIONING: A CONTRAST BETWEEN OCEANIC ISOLATED ISLANDS AND THE ADJACENT CONTINENTAL MASS
dc.relationBiotic Multipliers of Climate Change
dc.relationMarine Invasions in a Changing Climate (MICC)
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/pt_PT
dc.subjectCommunity structurept_PT
dc.subjectDictyotalespt_PT
dc.subjectLatitudinal gradientpt_PT
dc.subjectMacaronesian archipelagospt_PT
dc.subjectSeaweedpt_PT
dc.subjectSpatial distributionpt_PT
dc.subject.pt_PT
dc.subjectFaculdade de Ciências da Vidapt_PT
dc.titleShallow subtidal macroalgae in the North-eastern Atlantic archipelagos (Macaronesian region): a spatial approach to community structurept_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleEFFECTS OF BIODIVERSITY ON ECOSYSTEM FUNCTIONING: A CONTRAST BETWEEN OCEANIC ISOLATED ISLANDS AND THE ADJACENT CONTINENTAL MASS
oaire.awardTitleBiotic Multipliers of Climate Change
oaire.awardTitleMarine Invasions in a Changing Climate (MICC)
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FBIA%2F00329%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBPD%2F63040%2F2009/PT
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oaire.awardURIinfo:eu-repo/grantAgreement/FCT/Investigador FCT/IF%2F01606%2F2014%2FCP1230%2FCT0001/PT
oaire.citation.endPage98pt_PT
oaire.citation.issue1pt_PT
oaire.citation.startPage83pt_PT
oaire.citation.titleEuropean Journal of Phycologypt_PT
oaire.citation.volume53pt_PT
oaire.fundingStream5876
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oaire.fundingStreamInvestigador FCT
person.familyNameAlves
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