Seawater carbonate chemistry and scope for growth for juvenile Atlantic sea scallops (Placopecten magellanicus) ...

• Main Authors: Pousse, Emilien, Poach, Matthew E, Redman, Dylan H, Sennefelder, George, Hubbard, William, Osborne, Kristin, Munroe, Daphne, Hart, Deborah R, Hennen, Daniel, Dixon, Mark S, Li, Yaqin, Milke, Lisa, Wikfors, Gary H, Meseck, Shannon
• Format: Dataset
• Language: English
• Published: PANGAEA 2023
• Subjects: Animalia; Behaviour; Benthic animals; Benthos; Biomass/Abundance/Elemental composition; Coast and continental shelf; Containers and aquaria 20-1000 L or < 1 m**2; Growth/Morphology; Laboratory experiment; Mollusca; North Atlantic; Other metabolic rates; Other studied parameter or process; Placopecten magellanicus; Respiration; Single species; Temperate; Temperature; Type; Species, unique identification; Species, unique identification URI; Species, unique identification Semantic URI; Date; Day of experiment; Treatment; Replicate; Shell height; Shell width; Shell thickness; Tissue, dry mass; Shell, dry mass; Temperature, water; Suspended matter, total; Inorganic matter, particulate; Organic matter, particulate; Clearance rate; Ingestion rate, organic weight; Assimilation rate; Assimilation efficiency; Respiration rate, oxygen; Ammonia excretion; Energy, per food mass; Assimilated energy; Catabolic energy; Scope for growth; Oxygen/Nitrogen ratio; Cell density; Salinity; pH; Carbon, inorganic, dissolved; Ocean acidification
• Online Access: https://dx.doi.org/10.1594/pangaea.957421; https://doi.pangaea.de/10.1594/PANGAEA.957421

This study assessed the energy budget for juvenile Atlantic Sea Scallop, Placopecten magellanicus, during a natural drop in temperature (15.6°C to 5.8°C) over an 8-week time period during the fall at three different enrichment levels of carbon dioxide (CO2). Every 2 weeks, individuals were sampled for ecophysiological measurements of feeding activity, respiration rate (RR) and excretion rate (ER) to enable the calculation of scope for growth (SFG) and atomic oxygen:nitrogen ratios (O:N). In addition, 36 individuals per treatment were removed for shell height, dry tissue weight (DTW) and dry shell weight (DSW). We found a significant decrease in feeding rates as CO2 increased. Those rates also were significantly affected by temperature, with highest feeding at 9.4°C. No significant CO2 effect was observed for catabolic energy processes (RR and ER); however, these rates did increase significantly with temperature. The O:N ratio was not significantly affected by CO2, but was significantly affected by ... : In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Gattuso et al, 2022) 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 2023-04-14. ...