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Monitoring invasive macroalgae in southern Portugal: drivers and citizen science contribution

2023Journal article Open Access
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dc.contributor.authorJiménez, Javier
dc.contributor.authorSimes, Dina
dc.contributor.authorAbecasis, Ana Rita Costa
dc.contributor.authorRelvas, Paulo
dc.contributor.authorGarel, Erwan
dc.contributor.authorMartins, Paula Ventura
dc.contributor.authorSantos, Rui
dc.date.accessioned2024-01-09T10:38:33Z
dc.date.available2024-01-09T10:38:33Z
dc.date.issued2023
dc.description.abstractUnder certain environmental and oceanographic conditions, macroalgae can overgrow and accumulate in massive quantities on beaches, causing serious ecological and economic impacts. To address this problem, a citizen science monitoring platform was created to determine the spatial and temporal distribution of macroalgae accumulations along the beaches of Algarve in southern Portugal, with the aim to assess the extent of beach-cast events and their relationship with abiotic factors. A Redundancy Analysis (RDA) and a permutational analysis of variance (PERMANOVA) were carried out to explore the relationship between macroalgae accumulation level and the abiotic variables: sea surface temperature, wind speed, wind direction, currents, maximum sea level, significant wave height, salinity, nitrate, ammonium, phosphate, precipitation and radiation. The citizen science campaign showed great participation, resulting in 404 submissions between July 2021 and September 2023. The campaign revealed that three species of macroalgae accumulated on the beaches of Algarve, Ulva sp. (with the presence of Ectocarpales and Dyctiotales) along the sandy eastern coast, and the invasive species Asparagopsis armata and Rugulopteryx okamurae in the rocky central and western beaches, respectively. The accumulations of R. okamurae increased from 2021 to 2023, were registered throughout the year and were more abundant than those of Ulva sp. and A. armata, which were only observed in spring and summer. The highest levels of R. okamurae beach-cast depositions were related to strong wave conditions, and high sea surface temperature and salinity. The accumulation of Ulva sp. was related to high sea surface temperature and salinity whereas A. armata was also correlated with winds parallel to the shore (NW-W). PERMANOVA analysis revealed that sea surface temperature and wave conditions had a significant effect on the overall abundance of macroalgae beach-cast accumulations. Overall, our citizen science campaign effectively involved the public, leading to the collection of important data on monitoring macroalgae accumulations. Through these findings, we were able to pinpoint the environmental, atmospheric, and hydrodynamic factors that contribute to their development, movement, and buildup along the Algarve coastlines.pt_PT
dc.description.sponsorshipNUTRISAFE project (AAC No. 41/ALG/2020—Project No. 072583—NUTRISAFE); LA/P/0101/2020pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.3389/fenvs.2023.1324600pt_PT
dc.identifier.eissn2296-665X
dc.identifier.urihttp://hdl.handle.net/10400.1/20279
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherFrontiers Mediapt_PT
dc.relationAlgarve Centre for Marine Sciences
dc.relationAlgarve Centre for Marine Sciences
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectBeach-castpt_PT
dc.subjectCitizen sciencept_PT
dc.subjectEnvironmental factorspt_PT
dc.subjectInvasive macroalgaept_PT
dc.subjectMonitoringpt_PT
dc.subjectCoast of Portugalpt_PT
dc.titleMonitoring invasive macroalgae in southern Portugal: drivers and citizen science contributionpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleAlgarve Centre for Marine Sciences
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.citation.titleFrontiers in Environmental Sciencept_PT
oaire.citation.volume11pt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
person.familyNameJiménez Herrero
person.familyNameSimes
person.familyNamede Sousa Gonçalves Costa Abecasis
person.familyNameRelvas
person.familyNameGarel
person.familyNameMartins
person.familyNameSantos
person.givenNameJavier
person.givenNameDina
person.givenNameAna Rita
person.givenNamePaulo
person.givenNameErwan
person.givenNamePaula Ventura
person.givenNameRui
person.identifier3026039
person.identifier42560
person.identifier.ciencia-id0712-A501-A49E
person.identifier.ciencia-idD716-FD33-226C
person.identifier.ciencia-id2412-1F65-A044
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person.identifier.ciencia-idC113-7020-F2E0
person.identifier.ciencia-id9B18-444D-2244
person.identifier.orcid0000-0002-5459-1139
person.identifier.orcid0000-0002-5145-4753
person.identifier.orcid0000-0001-6302-856X
person.identifier.orcid0000-0002-6404-5895
person.identifier.orcid0000-0002-4584-9759
person.identifier.orcid0000-0002-3199-4517
person.identifier.orcid0000-0002-7861-4366
person.identifier.ridN-2789-2014
person.identifier.ridB-1257-2008
person.identifier.ridN-9811-2014
person.identifier.ridF-6824-2011
person.identifier.ridB-4168-2008
person.identifier.scopus-author-id7201884723
person.identifier.scopus-author-id56449320300
person.identifier.scopus-author-id6505976206
person.identifier.scopus-author-id23491739700
person.identifier.scopus-author-id13604677800
person.identifier.scopus-author-id7201375018
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
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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