Seawater carbonate chemistry and crab Necora puber size and elements in tissue during experiments, 2010 ...

• Main Authors: Small, Daniel, Calosi, Piero, White, Daniel, Spicer, John I, Widdicombe, Stephen
• Format: Dataset
• Language: English
• Published: PANGAEA 2010
• Subjects: Acid-base regulation; Animalia; Arthropoda; Benthic animals; Benthos; Biomass/Abundance/Elemental composition; Bottles or small containers/Aquaria <20 L; Calcification/Dissolution; Coast and continental shelf; Growth/Morphology; Laboratory experiment; Necora puber; North Atlantic; Respiration; Single species; Temperate; Experimental treatment; Identification; Sex; Necora puber, mass; Necora puber, width; Comment; Oxygen consumption; Thermal limit; Necora puber, haemolymph, total carbon; Necora puber, haemolymph, pH; Necora puber, haemolymph, partial pressure of carbon dioxide; Necora puber, haemolymph, lipid peroxide; Necora puber, haemolymph, magnesium ion; Necora puber, haemolymph, calcium ion; Necora puber, chelae, calcium; Necora puber, chelae, magnesium; Necora puber, carapace, calcium; Necora puber, carapace, magnesium; Salinity; Salinity, standard deviation; Temperature, water; Temperature, standard deviation; pH; pH, standard deviation; Carbon, inorganic, dissolved; Carbon, inorganic, dissolved, standard deviation; Alkalinity, total; Alkalinity, total, standard deviation; Partial pressure of carbon dioxide water at sea surface temperature wet air; Carbon dioxide, partial pressure, standard deviation; Calcite saturation state; Calcite saturation state, standard deviation; Aragonite saturation state; Aragonite saturation state, standard deviation; Ocean acidification
• Online Access: https://dx.doi.org/10.1594/pangaea.778503; https://doi.pangaea.de/10.1594/PANGAEA.778503

Ocean acidification (OA) is predicted to play a major role in shaping species biogeography and marine biodiversity over the next century. We tested the effect of medium-term exposure to OA (pH 8.00, 7.30 and 6.70 for 30 d) on acid-base balance in the decapod crab Necora puber-a species that is known to possess good extracellular buffering ability during short-term exposure to hypercapnic conditions. To determine if crabs undergo physiological trade-offs in order to buffer their haemolymph, we characterised a number of fundamental physiological functions, i.e. metabolic rate, tolerance to heat, carapace and chelae [Ca2+] and [Mg2+], haemolymph [Ca2+] and [Mg2+], and immune response in terms of lipid peroxidation. Necora puber was able to buffer changes to extracellular pH over 30 d exposure to hypercapnic water, with no evidence of net shell dissolution, thus demonstrating that HCO3- is actively taken up from the surrounding water. In addition, tolerance to heat, carapace mineralization, and aspects of immune ... : 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). ...