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Changing webs—Variation of complex networks over a tidal cycle in an intertidal rocky reef

2023-09Journal article Open Access
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dc.contributor.authorVinagre, Catarina
dc.contributor.authorMendonça, Vanessa
dc.date.accessioned2024-02-28T14:29:31Z
dc.date.available2024-02-28T14:29:31Z
dc.date.issued2023-09
dc.description.abstractIncorporating temporal variation in models is one of the most important challenges in food web research. One of the environments where time causes profound changes is the intertidal zone, where the immersion-emersion cycle drastically changes the abiotic and biotic conditions. Intertidal rocky shores have been intensively studied, however the variation in the complex food web network that occurs during a tidal cycle remains undescribed. Highly resolved food web networks were assembled for an intertidal reef depicting the food web during low and high tide, and with and without tide pools. It was concluded that high tide adds new species to the web, but it does not add complexity since network connectance was not changed. This occurs because incoming species are mostly highly generalist fish, which add many new links to the web. Tide pools, however, add not only diversity but also complexity. Webs were dominated by intermediate species, with the proportion of top consumers fluctuating throughout the tidal cycle, being lowest during low tide and highest at high tide, due to the incoming larger vertebrate predators. Consumer taxa outnumbered resource taxa, except at low tide when pools are present. Mean trophic level was lowest at low tide (2.3) and highest at high tide with pools (2.6). Omnivory was high and showed little change. "Chain", the number of links connecting top to basal species, was stable but low. This implies that disturbance can rapidly travel bottom-up or top-down through predator-prey links. The increased connectance given by the addition of tide pools likely increases robustness to disturbances, an important feature in coastal areas so often impacted by human action.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1016/j.ecocom.2023.101060pt_PT
dc.identifier.eissn1476-9840
dc.identifier.urihttp://hdl.handle.net/10400.1/20459
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationAlgarve Centre for Marine Sciences
dc.relationAlgarve Centre for Marine Sciences
dc.relationCentre for Marine and Environmental Research
dc.relationWarmingWebs - Role of biodiversity, species thermal tolerance and food web structure in the response to climate change: Temperate versus tropical ecosystems.
dc.relationMarine and Environmental Sciences Centre
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/pt_PT
dc.subjectFood web complexitypt_PT
dc.subjectEcological networkspt_PT
dc.subjectMarine ecologypt_PT
dc.subjectConnectancept_PT
dc.subjectNiche modelpt_PT
dc.subjectRock poolpt_PT
dc.subjectRocky intertidalpt_PT
dc.titleChanging webs—Variation of complex networks over a tidal cycle in an intertidal rocky reefpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleCentre for Marine and Environmental Research
oaire.awardTitleWarmingWebs - Role of biodiversity, species thermal tolerance and food web structure in the response to climate change: Temperate versus tropical ecosystems.
oaire.awardTitleMarine and Environmental Sciences Centre
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04326%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F04326%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0101%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/Projetos de Investigação Científica e Desenvolvimento Tecnológico - 2012/PTDC%2FMAR-EST%2F2141%2F2012/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04292%2F2020/PT
oaire.citation.startPage101060pt_PT
oaire.citation.titleEcological Complexitypt_PT
oaire.citation.volume56pt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStreamProjetos de Investigação Científica e Desenvolvimento Tecnológico - 2012
oaire.fundingStream6817 - DCRRNI ID
person.familyNameVinagre
person.familyNameAlegria Mendonça
person.givenNameCatarina
person.givenNameVanessa Sofia
person.identifier.ciencia-id3F13-843A-791B
person.identifier.ciencia-idAE1E-EECE-EA4B
person.identifier.orcid0000-0003-2146-7948
person.identifier.orcid0000-0002-3658-9502
person.identifier.scopus-author-id55241972700
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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