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Evaluating fish foraging behaviour on non-indigenous Asparagopsis taxiformis using a remote video foraging system

2024-11Journal article Open access
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dc.contributor.authorChebaane, Sahar
dc.contributor.authorPais, Miguel Pessanha
dc.contributor.authorSilva, Rodrigo
dc.contributor.authorGizzi, Francesca
dc.contributor.authorTriay-Portella, Raül
dc.contributor.authorFlorido, Marta
dc.contributor.authorMonteiro, João Gama
dc.date.accessioned2024-10-24T12:33:19Z
dc.date.available2024-10-24T12:33:19Z
dc.date.issued2024-11
dc.description.abstractThe proliferation of pest and invasive marine macroalgae threatens coastal ecosystems, with biotic interactions, including direct effects such as grazing and indirect effects such as the trophic cascades, where one species indirectly affects another through its interactions with a third species, play a critical role in determining the resistance of local communities to these invasions. This study examines the foraging behaviour and preference of native fish communities toward native (Halopteris scoparia, Sargassum vulgare) and non-indigenous (Asparagopsis taxiformis) macroalgae using the Remote Video Foraging System (RVFS). Fifty-four weedpops were deployed across three locations to present these macroalgae, while associated epifaunal assemblages were also collected. Video analysis revealed that four common fish species displayed preference towards native macroalgae, possibly due to by the presence of zoobenthos rather than herbivory. This observation suggests that these fish species identified the macroalgae as a habitat that harboured their preferred food items. In contrast, A. taxiformis was consistently avoided, suggesting limited integration into the local food web. Site-specific variations in fish-macroalgae interactions and epifaunal diversity highlighted the complexity of these dynamics. This study contributes to understanding of the ecological implications of invasive macroalgae and supports the use of RVFS as a tool for assessing local biotic resistance against non-indigenous species in coastal ecosystems globally.eng
dc.description.sponsorshipARDITI-M1420-09-5369-FSE-000002); CEECINST/00114/2018; t DL57/2016/CP1479/CT0020; CEECINST/00037/2021; PLASMAR+ (MAC2/1.1a/347) ;
dc.identifier.doi10.1016/j.marenvres.2024.106766
dc.identifier.issn0141-1136
dc.identifier.urihttp://hdl.handle.net/10400.1/26142
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relationAlgarve Centre for Marine Sciences
dc.relationMarine and Environmental Sciences Centre
dc.relationMarine and Environmental Sciences Centre
dc.relationAquatic Research Infrastructure Network
dc.relation.ispartofMarine Environmental Research
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/
dc.subjectFish-macroalgae dynamics
dc.subjectBiological invasion
dc.subjectRVFS
dc.subjectFeeding preference
dc.titleEvaluating fish foraging behaviour on non-indigenous Asparagopsis taxiformis using a remote video foraging system
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleMarine and Environmental Sciences Centre
oaire.awardTitleMarine and Environmental Sciences Centre
oaire.awardTitleAquatic Research Infrastructure Network
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04326%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F04292%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04292%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0069%2F2020/PT
oaire.citation.startPage106766
oaire.citation.titleMarine Environmental Research
oaire.citation.volume202
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
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
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relation.isProjectOfPublication7523e3bb-5aac-4245-8aae-d810fe0cabb5
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relation.isProjectOfPublication.latestForDiscoveryfafa76a6-2cd2-4a6d-a3c9-772f34d3b91f

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