title: A possible CO2leakage event: Can the marine microbial community be recovered?
abstract: Bacterial communities have been studied to a much lesser degree than macrofauna in the case of a CO2release. The resistance capacity of marine bacteria is well known, but their possible responses and their ability to recover after a CO2release has not been investigated. Therefore, this work evaluated the responses of a marine bacterial community after 96h of CO2exposure under diverse pH treatments (7.8 as control without CO2, 7.0, 6.5, and 6.0) and 24h after CO2exposure. Results showed that the respiration activity and the diversity of the community were affected in all pH treatments. However, after 24h without CO2enrichment, the respiration activity and diversity increased, showing a partial recovery. Consequently, bacterial responses have the potential to be used as a monitoring tool for risk assessment related to carbon capture and storage techniques or in any similar CO2enrichment situations.
authors.affiliation: UNESCO/UNITWIN Wicop. Departamento de Química-Física, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz. Av. República Saharaui S/N. Polígono Río San Pedro s/n, Puerto Real 11510, Cádiz, Spain. Electronic address: ana.borrero@uca.es.
authors.forename: A R
authors.initials: AR
authors.lastname: Borrero-Santiago
authors.affiliation: UNESCO/UNITWIN Wicop. Departamento de Química-Física, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz. Av. República Saharaui S/N. Polígono Río San Pedro s/n, Puerto Real 11510, Cádiz, Spain.
authors.forename: E
authors.initials: E
authors.lastname: Bautista-Chamizo
authors.affiliation: UNESCO/UNITWIN Wicop. Departamento de Química-Física, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz. Av. República Saharaui S/N. Polígono Río San Pedro s/n, Puerto Real 11510, Cádiz, Spain.
authors.forename: T Á
authors.initials: TÁ
authors.lastname: DelValls
authors.affiliation: UNESCO/UNITWIN Wicop. Departamento de Química-Física, Facultad de Ciencias del Mar y Ambientales, Universidad de Cádiz. Av. República Saharaui S/N. Polígono Río San Pedro s/n, Puerto Real 11510, Cádiz, Spain.
authors.forename: I
authors.initials: I
authors.lastname: Riba
mesh_terms: D001419:Bacteria; D002244:Carbon; D002245:Carbon Dioxide; D004784:Environmental Monitoring; D012623:Seawater / Q000737:chemistry / Q000382:microbiology; D014871:Water Microbiology
chemical_list: D002245:Carbon Dioxide; D002244:Carbon
keywords: CO(2) enrichment; Carbon capture and storage; Diversity; Marine bacteria; Recovery; pH