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Carbon export from seaweed forests to deep ocean sinks

2024-05-22Artigo científico Acesso aberto
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datacite.subject.sdg13:Ação Climática
datacite.subject.sdg14:Proteger a Vida Marinha
datacite.subject.sdg15:Proteger a Vida Terrestre
dc.contributor.authorKaren Filbee-Dexter
dc.contributor.authorPessarrodona, Albert
dc.contributor.authorPedersen, Morten F.
dc.contributor.authorWernberg, Thomas
dc.contributor.authorDuarte, Carlos M.
dc.contributor.authorAssis, Jorge
dc.contributor.authorBekkby, Trine
dc.contributor.authorBurrows, Michael T.
dc.contributor.authorCarlson, Daniel F.
dc.contributor.authorGattuso, Jean-Pierre
dc.contributor.authorGundersen, Hege
dc.contributor.authorHancke, Kasper
dc.contributor.authorKrumhansl, Kira A.
dc.contributor.authorKuwae, Tomohiro
dc.contributor.authorMiddelburg, Jack J.
dc.contributor.authorMoore, Pippa J.
dc.contributor.authorQueirós, Ana M.
dc.contributor.authorSmale, Dan A.
dc.contributor.authorSousa-Pinto, Isabel
dc.contributor.authorSuzuki, Nobuhiro
dc.contributor.authorKrause-Jensen, Dorte
dc.date.accessioned2026-04-10T10:05:37Z
dc.date.available2026-04-10T10:05:37Z
dc.date.issued2024-05-22
dc.description.abstractThe coastal ocean represents an important global carbon sink and is a focus for interventions to mitigate climate change and meet the Paris Agreement targets while supporting biodiversity and other ecosystem functions. However, the fate of the flux of carbon exported from seaweed forests—the world’s largest coastal vegetated ecosystem—is a key unknown in marine carbon budgets. Here we provide national and global estimates for seaweed-derived particulate carbon export below 200 m depth, which totalled 3–4% of the ocean carbon sink capacity. We characterized export using models of seaweed forest extent, production and decomposition, as well as shelf–open ocean water exchange. On average, 15% of seaweed production is estimated to be exported across the continental shelf, which equates to 56 TgC yr−1 (range: 10–170 TgC yr−1). Using modelled sequestration timescales below 200 m depth, we estimated that each year, 4–44 Tg seaweed-derived carbon could be sequestered for 100 years. Determining the full extent of seaweed carbon sequestration remains challenging, but critical to guide efforts to conserve seaweed forests, which are in decline globally. Our estimate does not include shelf burial and dissolved and refractory carbon pathways; still it highlights a relevant potential contribution of seaweed to natural carbon sinks.eng
dc.identifier.doi10.1038/s41561-024-01449-7
dc.identifier.eissn1752-0908
dc.identifier.issn1752-0894
dc.identifier.urihttp://hdl.handle.net/10400.1/28644
dc.language.isoeng
dc.peerreviewedyes
dc.publisherSpringer Nature
dc.relationAlgarve Centre for Marine Sciences
dc.relationAlgarve Centre for Marine Sciences
dc.relationCentre for Marine and Environmental Research
dc.relationClimate-informed prioritization of marine biodiversity hotspots to support the implementation of the post-2020 biodiversity framework
dc.relation.ispartofNature Geoscience
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.titleCarbon export from seaweed forests to deep ocean sinkseng
dc.typejournal article
dspace.entity.typePublication
oaire.awardNumberUIDB/04326/2020
oaire.awardNumberUIDP/04326/2020
oaire.awardNumberLA/P/0101/2020
oaire.awardNumber2022.00861.CEECIND/CP1729/CT0003
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleAlgarve Centre for Marine Sciences
oaire.awardTitleCentre for Marine and Environmental Research
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/UIDB%2F04326%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F04326%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0101%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/CEEC IND5ed/2022.00861.CEECIND%2FCP1729%2FCT0003/PT
oaire.citation.endPage559
oaire.citation.issue6
oaire.citation.startPage552
oaire.citation.titleNature Geoscience
oaire.citation.volume17
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.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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