Using a mesocosm approach to evaluate marine benthic assemblage alteration associated with CO2 enrichment in coastal environments

The effects of acidification related to the CO2 enrichment in the coastal environments on marine macrobenthic abundance, diversity and richness were analyzed in a medium- term (21 days) using mesocosm experiments. Two sampling sites located in the Bay of Cadiz – SW, Spain were selected and tested at...

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Bibliographic Details
Published in:Ecotoxicology and environmental safety 2018-08, Vol.157, p.29-39
Main Authors: Passarelli, M.C., Riba, I., Cesar, A., Newton, A., DelValls, T.A.
Format: Article
Language:English
Subjects:
Acidification
Biological indices
Macrobenthic
Multivariate analysis
Sediment metals
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Summary:The effects of acidification related to the CO2 enrichment in the coastal environments on marine macrobenthic abundance, diversity and richness were analyzed in a medium- term (21 days) using mesocosm experiments. Two sampling sites located in the Bay of Cadiz – SW, Spain were selected and tested at pH values ranged from 7.9 to 6.0 (± 0.1). Moreover, variations in the concentrations of metals in the sediment samples were analyzed at the end of each experiment. The results showed low variation in the concentrations of metals in the sediment among the pH treatments. A significant decrease (p 
ISSN:0147-6513
1090-2414
DOI:10.1016/j.ecoenv.2018.03.049