Seawater carbonate chemistry, larval settlement and growth rate during experiments with coral Porites astreoides, 2008, supplement to: Albright, R; Mason, B; Langdon, Chris (2008): Effect of aragonite saturation state on settlement and post-settlement growth of Porites astreoides larvae. Coral Reefs, 27(3), 485-490

• Main Authors: Albright, R, Mason, B, Langdon, Chris
• Format: Dataset
• Language: English
• Published: PANGAEA - Data Publisher for Earth & Environmental Science 2008
• Subjects: Animalia; Bottles or small containers/Aquaria <20 L; Cnidaria; Coast and continental shelf; Growth/Morphology; Laboratory experiment; North Atlantic; Pelagos; Porites astreoides; Reproduction; FOS Medical biotechnology; Single species; Temperate; Zooplankton; Experimental treatment; Salinity; Temperature, water; Carbonate system computation flag; Alkalinity, total; pH; Carbon, inorganic, dissolved; Carbon dioxide; Partial pressure of carbon dioxide water at sea surface temperature wet air; Fugacity of carbon dioxide water at sea surface temperature wet air; Bicarbonate ion; Carbonate ion; Aragonite saturation state; Calcite saturation state; Calcium; Porites astreoides larval settlement; Growth rate; Experiment; Calculated using seacarb after Nisumaa et al. 2010; Alkalinity, Gran titration Gran, 1950; Orion Ross conductivity probe; Calculated using CO2SYS; Calculated; European network of excellence for Ocean Ecosystems Analysis EUR-OCEANS; European Project on Ocean Acidification EPOCA; Ocean Acidification International Coordination Centre OA-ICC; Albright; Orion; Ocean acidification
• Online Access: https://dx.doi.org/10.1594/pangaea.726961; https://doi.pangaea.de/10.1594/PANGAEA.726961

In response to the increases in pCO2 projected in the 21st century, adult coral growth and calcification are expected to decrease significantly. However, no published studies have investigated the effect of elevated pCO2 on earlier life history stages of corals. Porites astreoides larvae were collected from reefs in Key Largo, Florida, USA, settled and reared in controlled saturation state seawater. Three saturation states were obtained, using 1 M HCl additions, corresponding to present (380 ppm) and projected pCO2 scenarios for the years 2065 (560 ppm) and 2100 (720 ppm). The effect of saturation state on settlement and post-settlement growth was evaluated. Saturation state had no significant effect on percent settlement; however, skeletal extension rate was positively correlated with saturation state, with ~50% and 78% reductions in growth at the mid and high pCO2 treatments compared to controls, respectively. : 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).