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Temperature-driven suitability shifts of sea lice species under climate change and the implications for salmon farming

2025-10-23Artigo científico Acesso aberto
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datacite.subject.sdg13:Ação Climática
datacite.subject.sdg14:Proteger a Vida Marinha
datacite.subject.sdg02:Erradicar a Fome
dc.contributor.authorMackintosh, Amy Leigh
dc.contributor.authorAssis, Jorge
dc.contributor.authorCostello, Mark John
dc.date.accessioned2026-05-08T18:39:52Z
dc.date.available2026-05-08T18:39:52Z
dc.date.issued2025-10-23
dc.description.abstractSalmonids are the most valuable marine aquaculture family, worth approximately US$26.2 billion in 2022. However, the industry’s economic value is threatened by sea lice infestations, which can cause production losses and require expensive treatments to control. Climate change is driving distribution shifts in many marine species, including a potential poleward movement for several parasites. Currently, only the distribution response of the Chilean sea louse Caligus rogercresseyi has been examined under climate change conditions, while other harmful sea lice species remain unassessed. Here, we use a maximum entropy model to project the current and future thermal suitability of Lepeophtheirus salmonis, C. elongatus, and C. rogercresseyi under 3 climate change scenarios: SSP1-1.9, SSP3-7.0, and SSP5-8.5. The species’ thermal niches are similar, with preferred mean temperature ranges of 7.1 to 11.1°C for L. salmonis, 6.8 to 11.9°C for C. elongatus, and 11.0 to 12.8°C for C. rogercresseyi. Thermal suitability for all 3 species shifts and intensifies polewards under progressively warmer climate scenarios. As ocean warming also facilitates poleward range shifts of many salmonid species, the overlap in host and parasite distributions indicates that salmon aquaculture at higher latitudes could face increasing lice infestations and associated challenges.eng
dc.description.sponsorshipCT0003
dc.identifier.doi10.3354/aei00502
dc.identifier.eissn1869-7534
dc.identifier.issn1869-215X
dc.identifier.urihttp://hdl.handle.net/10400.1/28912
dc.language.isoeng
dc.peerreviewedyes
dc.publisherInter-Research Science Center
dc.relationAlgarve Centre for Marine Sciences
dc.relationAlgarve Centre for Marine Sciences
dc.relationClimate-informed prioritization of marine biodiversity hotspots to support the implementation of the post-2020 biodiversity framework
dc.relationCentre for Marine and Environmental Research
dc.relation.ispartofAquaculture Environment Interactions
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectSea lice
dc.subjectTemperature
dc.subjectClimate change
dc.subjectSalmon
dc.subjectAquaculture
dc.titleTemperature-driven suitability shifts of sea lice species under climate change and the implications for salmon farmingeng
dc.typejournal article
dspace.entity.typePublication
oaire.awardNumberUIDB/04326/2020
oaire.awardNumberUIDP/04326/2020
oaire.awardNumber2022.00861.CEECIND/CP1729/CT0003
oaire.awardNumberLA/P/0101/2020
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleClimate-informed prioritization of marine biodiversity hotspots to support the implementation of the post-2020 biodiversity framework
oaire.awardTitleCentre for Marine and Environmental Research
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/CEEC IND5ed/2022.00861.CEECIND%2FCP1729%2FCT0003/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0101%2F2020/PT
oaire.citation.endPage186
oaire.citation.startPage175
oaire.citation.titleAquaculture Environment Interactions
oaire.citation.volume17
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStreamCEEC IND5ed
oaire.fundingStream6817 - DCRRNI ID
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
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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