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Canopy microclimate modification in central and marginal populations of a marine macroalga

2019-02Journal article Restricted access
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dc.contributor.authorMonteiro, Cátia
dc.contributor.authorZardi, Gerardo I.
dc.contributor.authorMcQuaid, Christopher D.
dc.contributor.authorSerrao, Ester
dc.contributor.authorPearson, Gareth
dc.contributor.authorNicastro, Katy
dc.date.accessioned2020-07-24T10:52:54Z
dc.date.available2020-07-24T10:52:54Z
dc.date.issued2019-02
dc.description.abstractThe effects of environmental changes on species distribution are generally studied at large geographical scales. However, aggregations of individuals can significantly moderate the impact of the environment at smaller, organismal scales. We focused on the intertidal macroalga Fucus guiryi and carried out field and laboratory common garden experiments to evaluate how the different individual morphologies and canopy densities typical of central and peripheral populations modify microhabitat conditions and associated levels of stress. We show that F. guiryi canopies significantly alter environmental conditions (i.e., temperature, humidity and light regimes) and mitigate the levels of stress experienced by individuals within the group. Southern algae are more branched and form denser canopies but, unexpectedly, despite these considerable differences, the mitigating effects of northern and southern canopies did not differ significantly. Microhabitat conditions beneath canopies were more stressful at marginal locations, indicating that southern populations are not more effective than northern algae at mitigating the harsher climate at the edge of the species distribution. Our findings highlight the importance of assessing structural changes in aggregating species across their distribution and relating these to local climates to understand the impact of environmental changes at scales relevant to individual organisms.
dc.description.sponsorshipFundacao para a Ciencia e Tecnologia (FCT-MEC, Portugal) [UID/Multi/04326/2013, IF/01413/2014/CP1217/CT0004]
dc.description.sponsorshipSouth African Research Chairs Initiative (SARChI) of the Department of Science and Technology
dc.description.sponsorshipNational Research Foundation
dc.identifier.doi10.1007/s12526-017-0824-y
dc.identifier.issn1867-1616
dc.identifier.issn1867-1624
dc.identifier.urihttp://hdl.handle.net/10400.1/14421
dc.language.isoeng
dc.peerreviewedyes
dc.publisherSpringer Heidelberg
dc.subjectClimate-change
dc.subjectChlorophyll fluorescence
dc.subjectFucoid embryos
dc.subjectStress
dc.subjectPatterns
dc.subjectAlgae
dc.subjectResponses
dc.subjectRange
dc.subjectScale
dc.subjectTemperature
dc.titleCanopy microclimate modification in central and marginal populations of a marine macroalga
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FMulti%2F04326%2F2013/PT
oaire.citation.endPage424
oaire.citation.issue1
oaire.citation.startPage415
oaire.citation.titleMarine Biodiversity
oaire.citation.volume49
oaire.fundingStream5876
person.familyNameMonteiro
person.familyNameSerrao
person.familyNamePearson
person.familyNameNicastro
person.givenNameCátia
person.givenNameEster A.
person.givenNameGareth Anthony
person.givenNameKaty
person.identifier808547
person.identifierC-6686-2012
person.identifier113536
person.identifier.ciencia-idC919-E643-54CA
person.identifier.ciencia-id5B13-B26E-B1EC
person.identifier.ciencia-id3315-9919-1A52
person.identifier.ciencia-id3E12-714B-AFE5
person.identifier.orcid0000-0002-5392-072X
person.identifier.orcid0000-0003-1316-658X
person.identifier.orcid0000-0002-0768-464X
person.identifier.orcid0000-0002-7071-141X
person.identifier.ridJ-3911-2013
person.identifier.ridD-2259-2012
person.identifier.scopus-author-id57210368669
person.identifier.scopus-author-id7004093604
person.identifier.scopus-author-id55916875600
person.identifier.scopus-author-id12646675100
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsrestrictedAccess
rcaap.typearticle
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