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dc.contributor.authorRodríguez-Romero, Aracelies_ES
dc.contributor.authorJiménez-Tenorio, Nataliaes_ES
dc.contributor.authorBasallote, M. Doloreses_ES
dc.contributor.authorOrte, Manoela R. dees_ES
dc.contributor.authorBlasco, Juliánes_ES
dc.contributor.authorRiba, Inmaculadaes_ES
dc.identifier.citationEnvironmental Science and Technology 48(20): 12292-12301 (2014)es_ES
dc.description.abstractThe urgent need to minimize the potential harm deriving from global climate change and ocean acidification has led governmental decision-makers and scientists to explore and study new strategies for reducing the levels of anthropogenic CO2. One of the mitigation measures proposed for reducing the concentration of atmospheric CO2 is the capture and storage of this gas in subseabed geological formations; this proposal is generating considerable international interest. The main risk associated with this option is the leakage of retained CO2, which could cause serious environmental perturbations, particularly acidification, in marine ecosystems. The study reported is aimed at quantifying the effects of acidification derived from CO2 leakage on marine organisms. To this end, a lab-scale experiment involving direct release of CO2 through marine sediment was conducted using Ruditapes philippinarum as a model benthic organism. For 10 days bivalves were exposed to 3 sediment samples with different physicochemical characteristics and at pre-established pH conditions (8.0–6.1). End points measured were: survival, burrowing activity, histopathological lesions, and metal accumulation (Fe, Al, Mn, Cu, and Zn) in whole body. Correlations analyses indicated highly significant associations (P < 0.01) between pH and the biological effects measured in R philippinarum, except for metal concentrations in tissues. Further research to understand and predict the biological and economic implications for coastal ecosystems deriving from acidification by CO2 leakages is urgently needed.es_ES
dc.description.sponsorshipThis work was funded by the Junta de Andalucı́a (Regional Government) under grant reference RNM-3924, and by the Spanish Ministerio de Economı́a y Competitividad under grant reference CTM 2011-2843-CO2-02.es_ES
dc.publisherAmerican Chemical Societyes_ES
dc.titlePredicting the Impacts of CO2 Leakage from Subseabed Storage: Effects of Metal Accumulation and Toxicity on the Model Benthic Organism Ruditapes philippinarumes_ES
dc.description.peerreviewedPeer reviewedes_ES
dc.contributor.funderJunta de Andalucíaes_ES
dc.contributor.funderMinisterio de Economía y Competitividad (España)es_ES
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