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dc.contributor.authorSerrano, Oscares_ES
dc.contributor.authorRicart, Aurora M.es_ES
dc.contributor.authorLavery, Paul S.es_ES
dc.contributor.authorMateo, Miguel Ángeles_ES
dc.contributor.authorArias-Ortiz, Arianees_ES
dc.contributor.authorMasqué, Perees_ES
dc.contributor.authorRozaimi, M.es_ES
dc.contributor.authorSteven, Andy D. L.es_ES
dc.contributor.authorDuarte, Carlos M.es_ES
dc.date.accessioned2016-08-16T06:43:07Z-
dc.date.available2016-08-16T06:43:07Z-
dc.date.issued2016-
dc.identifier.citationBiogeosciences 13 : 4581-4594 (2016)es_ES
dc.identifier.issn1726-4170-
dc.identifier.urihttp://hdl.handle.net/10261/135536-
dc.description14 páginas, 6 figuras, 4 tablas y un apéndice con 1 figura y 1 tabla.es_ES
dc.description.abstractBiotic and abiotic factors influence the accumulation of organic carbon (Corg/ in seagrass ecosystems.We surveyed Posidonia sinuosa meadows growing in different water depths to assess the variability in the sources, stocks and accumulation rates of Corg. We show that over the last 500 years, P. sinuosa meadows closer to the upper limit of distribution (at 2–4m depth) accumulated 3- to 4-fold higher Corg stocks (averaging 6.3 kgCorg m2/ at 3- to 4-fold higher rates (12.8 gCorg m2 yr1/ compared to meadows closer to the deep limits of distribution (at 6–8m depth; 1.8 kg Corg m2 and 3.6 g Corg m2 yr1/. In shallower meadows, Corg stocks were mostly derived from seagrass detritus (88% in average) compared to meadows closer to the deep limit of distribution (45% on average). In addition, soil accumulation rates and fine-grained sediment content (< 0.125 mm) in shallower meadows (2.0mmyr1 and 9 %, respectively) were approximately 2-fold higher than in deeper meadows (1.2mmyr1 and 5 %, respectively). The Corg stocks and accumulation rates accumulated over the last 500 years in bare sediments (0.6 kgCorg m2 and 1.2 g Corg m2 yr1/ were 3- to 11-fold lower than in P. sinuosa meadows, while fine-grained sediment content (1 %) and seagrass detritus contribution to the Corg pool (20 %) were 8- and 3-fold lower than in Posidonia meadows, respectively. The patterns found support the hypothesis that Corg storage in seagrass soils is influenced by interactions of biological (e.g., meadow productivity, cover and density), chemical (e.g., recalcitrance of Corg stocks) and physical (e.g., hydrodynamic energy and soil accumulation rates) factors within the meadow. We conclude that there is a need to improve global estimates of seagrass carbon storage accounting for biogeochemical factors driving variability within habitats.es_ES
dc.description.sponsorshipThis work was supported by the ECU Faculty Research Grant Scheme, the ECU Early Career Research Grant Scheme and the CSIRO Flagship Marine & Coastal Carbon Biogeochemical Cluster (Coastal Carbon Cluster) with funding from the CSIRO Flagship Collaboration Fund and the Generalitat de Catalunya (MERS, 2014 SGR–1356). Pere Masque was supported in part by a Gledden Visiting Fellowship awarded by the Institute of Advanced Studies at the University of Western Australia and AAO by a PhD grant of Obra Social “la Caixa”.es_ES
dc.language.isoenges_ES
dc.publisherCopernicus Publicationses_ES
dc.relation.isversionofPublisher's versiones_ES
dc.rightsopenAccesses_ES
dc.titleKey biogeochemical factors affecting soil carbon storage in Posidonia meadowses_ES
dc.typeartículoes_ES
dc.identifier.doi10.5194/bg-13-4581-2016-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.5194/bg-13-4581-2016es_ES
dc.relation.csices_ES
oprm.item.hasRevisionno ko 0 false*
dc.type.coarhttp://purl.org/coar/resource_type/c_6501es_ES
item.openairetypeartículo-
item.cerifentitytypePublications-
item.fulltextWith Fulltext-
item.languageiso639-1en-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.grantfulltextopen-
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