Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/35424
Título: Effects of a hypothetical escape of CO2 gas from subterranean storage sites on water flea Daphnia magna
Autores/as: Khosrovyan, Alla
DelValls, Tomas Angel
Luque-Escalona, Angel 
Riba, Inmaculada
Clasificación UNESCO: 251001 Oceanografía biológica
Palabras clave: CO2 leakage
Sediment
Metal flux
Toxicity
Acidification, et al.
Fecha de publicación: 2017
Editor/a: 0944-1344
Publicación seriada: Environmental Science and Pollution Research 
Resumen: The impacts of a hypothetical CO2 gas leak from freshwater sediments on the survival and reproduction of freshwater flea Daphnia magna were analyzed. Another objective was to assess the performance of standard toxicity testing protocols for CO2-induced acidification research in freshwaters. Four pH levels (7.5, 7.0, 6.5, and 6.0) and two sediments with different contamination level were tested. The results revealed that the D. magna are susceptible to a gradual but relatively rapid CO2 enrichment of the water column causing a change from circumneutral to acidic conditions. Standard 48-h immobilization test with D. magna tended to underestimate the toxicity at CO2-induced acidity condition. Dissolved aluminum may be implicated in the toxicity to the parental daphnids exposed. Metal outflux from sediments and behavior in elutriate have been discussed.
URI: http://hdl.handle.net/10553/35424
ISSN: 0944-1344
DOI: 10.1007/s11356-017-0154-4
Fuente: Environmental Science and Pollution Research [ISSN 0944-1344], v. 24 (32), p. 25146-25155
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