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dc.contributor.authorSaderne, Vincent
dc.contributor.authorFusi, Marco
dc.contributor.authorThomson, Timothy
dc.contributor.authorDunne, Aislinn
dc.contributor.authorMahmud, Fatima
dc.contributor.authorRoth, Florian
dc.contributor.authorCarvalho, Susana
dc.contributor.authorDuarte, Carlos M.
dc.date.accessioned2020-10-18T12:54:11Z
dc.date.available2020-10-18T12:54:11Z
dc.date.issued2020-10-16
dc.date.submitted2020-06-29
dc.identifier.citationSaderne, V., Fusi, M., Thomson, T., Dunne, A., Mahmud, F., Roth, F., … Duarte, C. M. (2020). Total alkalinity production in a mangrove ecosystem reveals an overlooked Blue Carbon component. Limnology and Oceanography Letters. doi:10.1002/lol2.10170
dc.identifier.issn2378-2242
dc.identifier.issn2378-2242
dc.identifier.doi10.1002/lol2.10170
dc.identifier.urihttp://hdl.handle.net/10754/665625
dc.description.abstractMangroves have the capacity to sequester organic carbon (Corg) in their sediments permanently. However, the carbon budget of mangroves is also affected by the total alkalinity (TA) budget. Principally, TA emitted from carbonate sediment dissolution is a perennial sink of atmospheric CO2. The assessment of the TA budget of mangrove carbonate sediments in the Red Sea revealed a large TA emission of 403 ± 17 mmol m−2 d−1, independent of light, seasons, or the presence of pneumatophores, compared to −36 ± 10 mmol m−2 d−1 in lagoon sediment. We estimate the TA emission from carbonate dissolution in Red Sea mangroves supported a CO2 uptake of 345 ± 15 gC m−2 yr−1, 23-fold the Corg burial rate of 15 gC m−2 yr−1. The focus on Corg burial in sediments may substantially underestimate the role of mangroves in CO2 removal. Quantifying the role of mangroves in climate change mitigation requires carbonate dissolution to be included in assessments.
dc.description.sponsorshipWe thank M. Predragovic, W. Rich IV, U. Langner, J. L. Curdia, R. Cadiz, and M. Ennasri for their help in the field and the lab. This research was supported by King Abdullah University of Science and Technology (KAUST) baseline funding to C.M.D. and the KAUST Circular Carbon Economy initiative.
dc.publisherWiley
dc.relation.urlhttps://onlinelibrary.wiley.com/doi/10.1002/lol2.10170
dc.rightsThis is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in anymedium, provided the original work is properly cited.
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.titleTotal alkalinity production in a mangrove ecosystem reveals an overlooked Blue Carbon component
dc.typeArticle
dc.contributor.departmentRed Sea Research Center (RSRC)
dc.contributor.departmentBiological and Environmental Sciences and Engineering (BESE) Division
dc.contributor.departmentMarine Science Program
dc.contributor.departmentMarine Science
dc.identifier.journalLimnology and Oceanography Letters
dc.eprint.versionPublisher's Version/PDF
dc.contributor.institutionEdinburgh Napier University School of Applied Sciences Edinburgh UK
dc.contributor.institutionSchool of Science University of Waikato Tauranga New Zealand
dc.contributor.institutionUniversity of California Berkeley USA
dc.contributor.institutionStockholm University, Baltic Sea Centre Stockholm Sweden
dc.contributor.institutionUniversity of Helsinki, Tvärminne Zoological Station Helsinki Finland
kaust.personSaderne, Vincent
kaust.personDunne, Aislinn
kaust.personCarvalho, Susana
kaust.personDuarte, Carlos M.
kaust.personDuarte, Carlos M.
dc.date.accepted2020-09-21
refterms.dateFOA2020-10-18T12:55:42Z
kaust.acknowledged.supportUnitBaseline Funding
kaust.acknowledged.supportUnitKAUST Circular Carbon Economy Initiative


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This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in anymedium, provided the original work is properly cited.
Except where otherwise noted, this item's license is described as This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in anymedium, provided the original work is properly cited.