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Effects of climate variability on an estuarine green crab Carcinus maenas population

2021-07Journal article Restricted access
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dc.contributor.authorMonteiro, J. N.
dc.contributor.authorPinto, Miguel
dc.contributor.authorCrespo, Daniel
dc.contributor.authorPardal, Miguel A.
dc.contributor.authorMartinho, Filipe
dc.date.accessioned2021-07-12T13:31:13Z
dc.date.available2023-06-29T00:30:15Z
dc.date.issued2021-07
dc.date.updated2021-07-09T16:08:39Z
dc.description.abstractThe increase in frequency and intensity of extreme climate events over the last few decades has been leading to profound changes in estuarine and marine ecosystems worldwide, with strong implications for the species inhabiting these ecosystems as well as for the services provided by them. In this study, we analysed the effects of climate variability on the temporal and spatial variations in population dynamics of the green crab Carcinus maenas in the Mondego estuary (Portugal), between 2003 and 2018. In this 15-year period, a greater recruitment of C. maenas was observed during drought periods, periods which was matched by an increase in secondary production. Ontogenic stage segregation was also observed, with juveniles being found mainly in the further upriver areas of the estuary. The estuarine population was mainly composed of the green morphotype, with the orange and red morphotypes present in more downstream areas of the estuary. Redundancy analysis (RDA) showed high spatial and temporal variability of C. maenas in the estuary which was related with environmental changes over the 15-year period. A correlation between C. maenas biological features and several local-scale (salinity and river runoff) and large-scale (North Atlantic Oscillation index and Eastern Atlantic pattern) environmental variables was identified through cumulative sums analysis (CUSUM), indicating a strong environmental control on C. maenas population dynamics. This paper shows the importance of relatively long-term datasets to unravel the effects of extreme weather events due to climate change on key epibenthic estuarine species, and also how they might cope with a changing marine environment.pt_PT
dc.description.sponsorshipPTDC/MAR-EST/2098/2014, FEDER POCI-01-0145-FEDER-016787, UIDB/04004/2020pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1016/j.marenvres.2021.105404pt_PT
dc.identifier.issn0141-1136
dc.identifier.slugcv-prod-2479796
dc.identifier.urihttp://hdl.handle.net/10400.1/16763
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.subjectDroughtspt_PT
dc.subjectFloodspt_PT
dc.subjectClimate changept_PT
dc.subjectCarcinus maenaspt_PT
dc.subjectRecruitmentpt_PT
dc.subjectEstuarypt_PT
dc.titleEffects of climate variability on an estuarine green crab Carcinus maenas populationpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.startPage105404pt_PT
oaire.citation.titleMarine Environmental Researchpt_PT
oaire.citation.volume169pt_PT
person.familyNameMonteiro
person.givenNameJoão Nuno
person.identifier.ciencia-id2F11-D45B-0FE9
person.identifier.orcid0000-0003-1328-7592
rcaap.cv.cienciaid2F11-D45B-0FE9 | João Nuno Gomes Monteiro
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication7795aac9-80a6-496b-833b-0f5e777e7d2a
relation.isAuthorOfPublication.latestForDiscovery7795aac9-80a6-496b-833b-0f5e777e7d2a

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