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Effect of warming on European green crab (Carcinus maenas) populations from larvae to sexual maturity

2026-01Artigo científico Acesso aberto
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datacite.subject.sdg14:Proteger a Vida Marinha
datacite.subject.sdg13:Ação Climática
dc.contributor.authorMonteiro, João Nuno
dc.contributor.authorOvelheiro, Andreia
dc.contributor.authorSORDO, LAURA
dc.contributor.authorPalma, Jorge
dc.contributor.authorPinto, Miguel
dc.contributor.authorTeodosio, Maria
dc.contributor.authorLeitão, Francisco
dc.date.accessioned2026-03-03T13:21:13Z
dc.date.available2026-03-03T13:21:13Z
dc.date.issued2026-01
dc.description.abstractUnderstanding the effects of climate change on the physiology of marine species, particularly during their early life stages (larvae and juveniles), is essential for predicting population dynamics. Carcinus maenas is a widely distributed species of significant ecological and economic importance. This experimental study investigates the effects of warming on the early life stages of the European green crab, C. maenas, through two complementary experiments: (1) larval development and survival were assessed under three temperature regimes-approximately 18.5 degrees C (representing the annual average Portuguese seawater temperature between 1980 and 2020, used as the control), and two projected climate change scenarios: RCP 4.5 (+1.5 degrees C) and RCP 8.5 (+3.5 degrees C), and (2) juvenile survival and growth were monitored in mesocosms from early settlement to sexual maturity. Results indicated that larval mortality exceeded 90 % across all treatments, with 75 % occurring within the first 8 days (95 % CI: 7-8), and that warming enhanced larval survival, with the RCP 4.5 scenario yielding the highest survival rates compared with the control. Additionally, warming also reduced the pelagic larval duration, which declined from 27 (+/- 2) days at 18.5 degrees C to 16 (+/- 1) days at 22 degrees C. Similarly, the duration of the megalopa (settlement) stage decreased from 10 to 6 days. Therefore, despite high mortality, accelerated development under warming may enhance population resilience. Juvenile mortality was also high, with 50 % of settled individuals dying within the first 50 (95 % CI: 31-46) days, and differences in growth and survival between sexes were observed: females reached sexual maturity faster than males 83 +/- 12 and 109 +/- 20 days, respectively. Moreover, only 24 % (95 % CI: 16-34) of the settled females reached sexual maturity, compared to just 9 % of males (95 % CI: 5-18). These results indicate that C. maenas reach reproductive maturity within six months. The biological data reveal a fast growth increment, high larval and juvenile mortality, and suggest that projected climate change scenarios through the end of the century will have a limited impact on the species' population dynamics and recruitment.eng
dc.description.sponsorship101071300, CEECIND/CP1639/CT0001
dc.identifier.doi10.1016/j.jembe.2025.152160
dc.identifier.issn0022-0981
dc.identifier.urihttp://hdl.handle.net/10400.1/28314
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier BV
dc.relationBIVALGAE: Bioremediation capacity of integrated systems of shellfish and primary producers to mitigate global change and restore coastal ecosystems
dc.relationAlgarve Centre for Marine Sciences
dc.relationAlgarve Centre for Marine Sciences
dc.relation.ispartofJournal of Experimental Marine Biology and Ecology
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectDecapoda
dc.subjectEarly life stages
dc.subjectZoea
dc.subjectJuvenile
dc.subjectClimate changes
dc.titleEffect of warming on European green crab (Carcinus maenas) populations from larvae to sexual maturityeng
dc.typejournal article
dspace.entity.typePublication
oaire.awardNumber2020.03396.CEECIND/CP1639/CT0001
oaire.awardNumberUIDP/04326/2020
oaire.awardNumberUIDB/04326/2020
oaire.awardTitleBIVALGAE: Bioremediation capacity of integrated systems of shellfish and primary producers to mitigate global change and restore coastal ecosystems
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/CEEC IND 3ed/2020.03396.CEECIND%2FCP1639%2FCT0001/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F04326%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04326%2F2020/PT
oaire.citation.startPage152160
oaire.citation.titleJournal of Experimental Marine Biology and Ecology
oaire.citation.volume594
oaire.fundingStreamCEEC IND 3ed
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameMonteiro
person.familyNameOvelheiro
person.familyNameSORDO
person.familyNamePalma
person.familyNamePinto
person.familyNameTeodosio
person.familyNameLeitão
person.givenNameJoão Nuno
person.givenNameAndreia
person.givenNameLAURA
person.givenNameJorge
person.givenNameMiguel
person.givenNameMaria
person.givenNameFrancisco
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person.identifier.ciencia-id701D-9AC3-A75A
person.identifier.ciencia-idAF10-647B-65FB
person.identifier.ciencia-id3E1C-DBC2-42D5
person.identifier.orcid0000-0003-1328-7592
person.identifier.orcid0000-0002-4528-6300
person.identifier.orcid0000-0002-1045-2014
person.identifier.orcid0000-0002-5790-3433
person.identifier.orcid0000-0002-7163-2406
person.identifier.orcid0000-0002-0939-9885
person.identifier.orcid0000-0003-4983-9782
person.identifier.ridB-5077-2013
person.identifier.ridM-3980-2013
person.identifier.scopus-author-id36987005700
person.identifier.scopus-author-id7101903881
person.identifier.scopus-author-id56196396700
person.identifier.scopus-author-id7003991946
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
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