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Vertical intertidal variation of organic matter stocks and patterns of sediment deposition in a mesotidal coastal wetland

2022-08-05Journal article Open access
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dc.contributor.authorde los Santos, Carmen B.
dc.contributor.authorLahuna, François
dc.contributor.authorSilva, André
dc.contributor.authorFreitas, Cátia
dc.contributor.authorMartins, Márcio
dc.contributor.authorCarrasco, A. Rita
dc.contributor.authorSantos, Rui
dc.date.accessioned2022-06-06T13:46:05Z
dc.date.available2022-06-06T13:46:05Z
dc.date.issued2022-08-05
dc.date.updated2022-06-05T19:13:44Z
dc.description.abstractTidal coastal wetlands, common home to seagrass and salt marshes, are relevant carbon sinks due to their high capacity to accumulate and store organic carbon in their sediments. Recent studies demonstrated that the spatial variability of this organic carbon within the same wetland system can be significant. Some of the environmental drivers of this spatial variability remain understudied and the selection of the most relevant ones can be context dependent. Here we investigated the role of bed elevation, hydrodynamics, and habitat type (salt marsh and seagrass) on the organic matter (OM) net deposition-resuspension rate and superficial sedimentary stocks (top 5 cm) at the tidal wetlands of the Ria Formosa, a mesotidal coastal lagoon in South Portugal. Results showed that two vectors of spatial variation need to be considered to describe the intertidal sedimentary OM stocks: the bed elevation that imposes a decrease of the hydroperiod and thus the change of habitat from the lower seagrass Z. noltei to the upper saltmarsh S. maritimus, and the horizontal spatial variation along the secondary channels of the lagoon that imposes a decrease in the current flow velocity magnitude. The multiple linear regression analyses, using data from 40 sampling points, explained 59% of the variation of the superficial sedimentary stocks of OM in salt marshes and seagrasses of the Ria Formosa lagoon and revealed that stocks generally decrease with elevation, yet with variation among sites and habitats. It was also found that the decrease of the OM net deposition-resuspension rate with bed elevation was exponential. Our study emphasizes the importance of considering multiple environmental drivers and spatial variation for regional estimations of organic matter (and organic carbon) sedimentary stocks in coastal wetlands.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1016/j.ecss.2022.107896pt_PT
dc.identifier.issn0272-7714
dc.identifier.slugcv-prod-2936384
dc.identifier.urihttp://hdl.handle.net/10400.1/17841
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationAlgarve Centre for Marine Sciences
dc.relationEcological production functions to evaluate ecosystem services delivered by seagrass beds ECOFUNGRASS
dc.relationAssessment and restoration of coastal blue carbon stocks in Portugal for climate change mitigation (BLUEPORT)
dc.relationNot Available
dc.relationBlue carbon inventories in the warm temperate NE Atlantic seagrass meadows
dc.subjectOrganic matterpt_PT
dc.subjectSediment depositionpt_PT
dc.subjectHydroperiodpt_PT
dc.subjectTidal wetlandpt_PT
dc.subjectSeagrasspt_PT
dc.subjectSalt marshpt_PT
dc.titleVertical intertidal variation of organic matter stocks and patterns of sediment deposition in a mesotidal coastal wetlandpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleEcological production functions to evaluate ecosystem services delivered by seagrass beds ECOFUNGRASS
oaire.awardTitleAssessment and restoration of coastal blue carbon stocks in Portugal for climate change mitigation (BLUEPORT)
oaire.awardTitleNot Available
oaire.awardTitleBlue carbon inventories in the warm temperate NE Atlantic seagrass meadows
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04326%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FMAR-EST%2F3223%2F2014/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/OE/SFRH%2FBPD%2F119344%2F2016/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/CEEC IND 3ed/2020.03825.CEECIND%2FCP1597%2FCT0005/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/DL 57%2F2016/DL 57%2F2016%2FCP1361%2FCT0002/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//2020.06996.BD/PT
oaire.citation.startPage107896pt_PT
oaire.citation.titleEstuarine, Coastal and Shelf Sciencept_PT
oaire.citation.volume272pt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream3599-PPCDT
oaire.fundingStreamOE
oaire.fundingStreamCEEC IND 3ed
oaire.fundingStreamDL 57/2016
person.familyNameBarrena de los Santos
person.familyNameFreitas
person.familyNameMartins
person.familyNameCarrasco
person.familyNameSantos
person.givenNameCarmen
person.givenNameCátia
person.givenNameMárcio
person.givenNameA. Rita
person.givenNameRui
person.identifier545203
person.identifier42560
person.identifier.ciencia-idC317-02C0-516E
person.identifier.ciencia-idB511-7AB1-159B
person.identifier.ciencia-idA31E-1703-4030
person.identifier.ciencia-id9B18-444D-2244
person.identifier.orcid0000-0002-7013-494X
person.identifier.orcid0000-0002-9637-3113
person.identifier.orcid0000-0002-6969-2215
person.identifier.orcid0000-0002-8980-0068
person.identifier.orcid0000-0002-7861-4366
person.identifier.ridL-3723-2014
person.identifier.ridD-2235-2016
person.identifier.ridB-4168-2008
person.identifier.scopus-author-id26427612000
person.identifier.scopus-author-id15724386100
person.identifier.scopus-author-id7201375018
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.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
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.cv.cienciaidC317-02C0-516E | Carmen B de los Santos
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
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