Tolerance of juvenile Mytilus galloprovincialis to experimental seawater acidification, supplement to: Fernández-Reiriz, Ma José; Range, P; Alvarez-Salgado, Xose Anton; Espinosa, Joaquin; Labarta, Uxio (2012): Tolerance of juvenile Mytilus galloprovincialis to experimental seawater acidification. Marine Ecology Progress Series, 454, 65-74

• Main Authors: Fernández-Reiriz, Ma José, Range, P, Alvarez-Salgado, Xose Anton, Espinosa, Joaquin, Labarta, Uxio
• Format: Dataset
• Language: English
• Published: PANGAEA - Data Publisher for Earth & Environmental Science 2012
• Subjects: Animalia; Benthic animals; Benthos; Bottles or small containers/Aquaria <20 L; Coast and continental shelf; Growth/Morphology; Laboratory experiment; Mollusca; Mytilus galloprovincialis; North Atlantic; Other metabolic rates; Respiration; Single species; Temperate; Species; Date; Treatment; Shell length; Dry mass; Dry mass, standard deviation; Ash; Ash, standard deviation; Individuals; Clearance rate; Clearance rate, standard deviation; Ingestion rate, organic weight; Ingestion rate, standard deviation; Ingestion rate, organic weight, per organic weight; Absorption; Absorption, standard deviation; Respiration rate, oxygen; Respiration rate, oxygen, standard deviation; Respiration rate, oxygen, per organic weight; Ammonia excretion; Ammonia excretion, standard deviation; Ammonia excretion, per organic weight; Oxygen consumed/Nitrogen excreted ratio; Oxygen consumed/nitrogen excreted ratio, standard deviation; Scope for growth; Scope for growth, standard deviation; Salinity; Salinity, standard error; Temperature, water; Temperature, water, standard error; pH; pH, standard error; Alkalinity, total; Alkalinity, total, standard error; Carbon, inorganic, dissolved; Carbon, inorganic, dissolved, standard error; Partial pressure of carbon dioxide water at sea surface temperature wet air; Partial pressure of carbon dioxide water at sea surface temperature wet air, standard error; Calcite saturation state; Calcite saturation state, standard error; Aragonite saturation state; Aragonite saturation state, standard error; Carbonate system computation flag; Carbon dioxide; Fugacity of carbon dioxide water at sea surface temperature wet air; Bicarbonate ion; Carbonate ion; Experiment; Potentiometric titration; Calculated; Calculated using seacarb after Nisumaa et al. 2010; Ocean Acidification International Coordination Centre OA-ICC; Alvarez; Ocean acidification
• Online Access: https://dx.doi.org/10.1594/pangaea.825020; https://doi.pangaea.de/10.1594/PANGAEA.825020

Coastal ocean acidification is expected to interfere with the physiology of marine bivalves. In this work, the effects of acidification on the physiology of juvenile mussels Mytilus galloprovincialis were tested by means of controlled CO2 perturbation experiments. The carbonate chemistry of natural (control) seawater was manipulated by injecting CO2 to attain 2 reduced pH levels: -0.3 and -0.6 pH units as compared with the control seawater. After 78 d of exposure, we found that the absorption efficiency and ammonium excretion rate of juveniles were inversely related to pH. Significant differences among treatments were not observed in clearance, ingestion and respiration rates. Coherently, the maximal scope for growth and tissue dry weight were observed in mussels exposed to the pH reduction delta pH=-0.6, suggesting that M. galloprovincialis could be tolerant to CO2 acidification, at least in the highly alkaline coastal waters of Ria Formosa (SW Portugal). : In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Lavigne and Gattuso, 2011) was used to compute a complete and consistent set of carbonate system variables, as described by Nisumaa et al. (2010). In this dataset the original values were archived in addition with the recalculated parameters (see related PI). The date of carbonate chemistry calculation by seacarb is 2013-12-18.