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Unravelling environmental drivers and patterns of Portuguese man o' war (Physalia physalis) blooms in two ocean regions: North Atlantic and the Southeast Pacific

2024-12Artigo científico Acesso aberto
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datacite.subject.sdg14:Proteger a Vida Marinha
datacite.subject.sdg13:Ação Climática
datacite.subject.sdg03:Saúde de Qualidade
dc.contributor.authorMartins, Lara Colaço
dc.contributor.authorGomes-Pereira, José Nuno
dc.contributor.authorDionísio, Gisela
dc.contributor.authorAssis, Jorge
dc.date.accessioned2026-03-11T11:46:16Z
dc.date.available2026-03-11T11:46:16Z
dc.date.issued2024-12
dc.description.abstractJellyfish blooms can significantly impact marine food webs, biochemical processes and human health, disrupting various economic sectors, including fisheries, aquaculture and tourism. Thus, understanding the regional drivers and patterns of jellyfish occurrence is key for developing effective management strategies. The Portuguese man o’ war (Physalia physalis) is a hazardous, cosmopolitan siphonophore of particular concern, requiring a deeper ecological understanding to effectively guide mitigation efforts. Our study reveals that the occurrence of P. physalis in both the North Atlantic (Azores, Portugal) and the Southeast Pacific (Australian East Coast) is driven by region-specific wind patterns and increased primary productivity (>30 % model contribution), with warming conditions emerging as an additional occurrence driver on the Australian East Coast (~20 % model contribution). These insights resulted from machine learning models (Boosted Regression Trees) trained with high-resolution environmental data against field data describing the temporal variability of P. physalis occurrence (North Atlantic: 2008–2021; Southeast Pacific: 2016–2020). The models achieved excellent predictive performance (AUC North Atlantic: 1.00; AUC Southeast Pacific: 0.92) and allowed hindcasting occurrences over 30 years, uncovering contrasting trends between the two regions, with decadal fluctuations in the Azores and a significant increase in occurrence over time on the Australian East Coast. Overall, we provide a better understanding of the drivers and patterns of P. physalis occurrence, which can support the development of coastal management strategies. Importantly, the anticipated changes in productivity and temperature conditions in both regions may result in increased blooms in the years to come, further exerting impacts on the ecosystems, human health, and the economy.eng
dc.identifier.doi10.1016/j.marpolbul.2024.117278
dc.identifier.issn0025-326X
dc.identifier.urihttp://hdl.handle.net/10400.1/28402
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier
dc.relationAlgarve Centre for Marine Sciences
dc.relationMarine and Environmental Sciences Centre
dc.relationCentre for Marine and Environmental Research
dc.relationAquatic Research Infrastructure Network
dc.relationClimate-informed prioritization of marine biodiversity hotspots to support the implementation of the post-2020 biodiversity framework
dc.relation.ispartofMarine Pollution Bulletin
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectJellyfish blooms
dc.subjectPhysalia physalis
dc.subjectPredictive modeling
dc.subjectTimeseries
dc.subjectGlobal warming
dc.subjectAtlantic Ocean Pacific Ocean
dc.titleUnravelling environmental drivers and patterns of Portuguese man o' war (Physalia physalis) blooms in two ocean regions: North Atlantic and the Southeast Pacificeng
dc.typejournal article
dspace.entity.typePublication
oaire.awardNumberUIDP/04326/2020
oaire.awardNumberUIDB/04292/2020
oaire.awardNumberLA/P/0101/2020
oaire.awardNumberLA/P/0069/2020
oaire.awardNumber2022.00861.CEECIND/CP1729/CT0003
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleMarine and Environmental Sciences Centre
oaire.awardTitleCentre for Marine and Environmental Research
oaire.awardTitleAquatic Research Infrastructure Network
oaire.awardTitleClimate-informed prioritization of marine biodiversity hotspots to support the implementation of the post-2020 biodiversity framework
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F04326%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%2F0101%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0069%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/CEEC IND5ed/2022.00861.CEECIND%2FCP1729%2FCT0003/PT
oaire.citation.startPage117278
oaire.citation.titleMarine Pollution Bulletin
oaire.citation.volume209
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStreamCEEC IND5ed
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameAssis
person.givenNameJorge
person.identifier.ciencia-id5C1D-05B6-29F7
person.identifier.orcid0000-0002-6624-4820
person.identifier.ridG-9688-2012
person.identifier.scopus-author-id53463298700
project.funder.identifierhttp://doi.org/10.13039/501100001871
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project.funder.nameFundação para a Ciência e a Tecnologia
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