Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/239639
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dc.contributor.authorAmaral, Valentina-
dc.contributor.authorRomera-Castillo, Cristina-
dc.contributor.authorForja, Jesús M.-
dc.date.accessioned2021-04-30T08:00:25Z-
dc.date.available2021-04-30T08:00:25Z-
dc.date.issued2021-02-
dc.identifiere-issn: 2045-2322-
dc.identifier.citationScientific Reports 11: 3200 (2021)-
dc.identifier.otherCEX2019-000928-S-
dc.identifier.urihttp://hdl.handle.net/10261/239639-
dc.description12 pages, 6 figures, 5 tables, supplementary information https://doi.org/10.1038/s41598-021-82632-3.-- The datasets generated during the current study are available from the corresponding author on reasonable request-
dc.description.abstractSeafloor structures related to the emission of different fluids, such as submarine mud volcanoes (MVs), have been recently reported to largely contribute with dissolved organic matter (DOM) into the oceans. Submarine MVs are common structures in the Gulf of Cádiz. However, little is known about the biogeochemical processes that occur in these peculiar environments, especially those involving DOM. Here, we report DOM characterization in the sediment pore water of three MVs of the Gulf of Cádiz. Estimated benthic fluxes of dissolved organic carbon (DOC) and chromophoric DOM (CDOM) were higher than in other marine sediments with an average of 0.11 ± 0.04 mmol m−2 d−1 for DOC and ranging between 0.11 and 2.86 m−1 L m−2 d−1, for CDOM. Protein-like components represented ~ 70% of the total fluorescent DOM (FDOM). We found that deep fluids migration from MVs (cold seeps) and anaerobic production via sulfate-reducing bacteria represent a source of DOC and FDOM to the overlying water column. Our results also indicate that fluorescent components can have many diverse sources not captured by common classifications. Overall, MVs act as a source of DOC, CDOM, and FDOM to the deep waters of the Gulf of Cádiz, providing energy to the microbial communities living there-
dc.description.sponsorshipThis work was funded by the Spanish CICYT (Spanish Program for Science Technology) under the contract CTM2014-59244- C3-1-R and RTI2018-100865-B-C21. VA was financed by the National Research and Innovation Agency of Uruguay (ANII) with a Ph.D. fellowship (POS_EXT_2015_1_122780). CR-C was funded by a Postdoctoral Fellowship from the Spanish “Ministerio de Economía y Competitividad, Juan de la Cierva-Incorporación”.-
dc.languageeng-
dc.publisherNature Publishing Group-
dc.relationMINECO/ICTI2013-2016/CTM2014-59244- C3-1-R-
dc.relationMICIU/ICTI2017-2020/RTI2018-100865-B-C21-
dc.relation.isversionofPublisher's version-
dc.rightsopenAccess-
dc.titleSubmarine mud volcanoes as a source of chromophoric dissolved organic matter to the deep waters of the Gulf of Cádiz-
dc.typeartículo-
dc.identifier.doi10.1038/s41598-021-82632-3-
dc.relation.publisherversionhttps://doi.org/10.1038/s41598-021-82632-3-
dc.date.updated2021-04-30T08:00:26Z-
dc.rights.licensehttps://creativecommons.org/licenses/by-nc-nd/4.0/-
dc.contributor.funderMinisterio de Economía y Competitividad (España)-
dc.contributor.funderMinisterio de Ciencia, Innovación y Universidades (España)-
dc.contributor.funderAgencia Estatal de Investigación (España)-
dc.contributor.funderAgencia Nacional de Investigación e Innovación (Uruguay)-
dc.relation.csic-
dc.identifier.funderhttp://dx.doi.org/10.13039/100008725es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100003329es_ES
dc.identifier.funderhttp://dx.doi.org/10.13039/501100011033es_ES
dc.identifier.pmid33547356-
dc.type.coarhttp://purl.org/coar/resource_type/c_6501es_ES
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.grantfulltextopen-
item.openairetypeartículo-
item.fulltextWith Fulltext-
item.cerifentitytypePublications-
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