Seawater carbonate chemistry and metabolic rates and hypoxia tolerances of clearnose skate (Rostaraja eglanteria), summer flounder (Paralichthys dentatus), and thorny skate (Amblyraja radiata)
Seawater carbonate chemistry and metabolic rates and hypoxia tolerances of clearnose skate (Rostaraja eglanteria), summer flounder (Paralichthys dentatus), and thorny skate (Amblyraja radiata)
Understanding how rising temperatures, ocean acidification, and hypoxia affect the performance of coastal fishes is essential to predicting species-specific responses to climate change. Although a population's habitat influences physiological performance, little work has explicitly examined the multi-stressor responses of species from habitats differing in natural variability. Here, clearnose skate (Rostaraja eglanteria) and summer flounder (Paralichthys dentatus) from mid-Atlantic estuaries, and thorny skate (Amblyraja radiata) from the Gulf of Maine, were acutely exposed to current and projected temperatures (20, 24, or 28 °C; 22 or 30 °C; and 9, 13, or 15 °C, respectively) and acidification conditions (pH 7.8 or 7.4). We tested metabolic rates and hypoxia tolerance using intermittent-flow respirometry. All three species exhibited increases in standard metabolic rate under an 8 °C temperature increase (Q10 of 1.71, 1.07, and 2.56, respectively), although this was most pronounced in the thorny skate. At the lowest test temperature and under the low pH treatment, all three species exhibited significant increases in standard metabolic rate (44–105%; p < 0.05) and decreases in hypoxia tolerance (60–84% increases in critical oxygen pressure; p < 0.05). This study demonstrates the interactive effects of increasing temperature and changing ocean carbonate chemistry are species-specific, the implications of which should be considered within the context of habitat.
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 2023-06-08.
Ocean Acidification International Coordination Centre (OA-ICC), Temperate, Identification, Salinity, Name, Bicarbonate ion, standard deviation, inorganic, Alkalinity, total, standard deviation, Alkalinity, total scale, Calculated using seacarb after Orr et al. (2018), Metabolic rate, Type of study, Fugacity of carbon dioxide in seawater, standard deviation, Temperature, water, Carbon, inorganic, dissolved, Calculated using seacarb after Nisumaa et al 2010, Aragonite saturation state, Chordata, Alkalinity, total, total, Rostaraja eglanteria, critical, partial pressure, pH, Pelagos, Respiration, North Atlantic, Temperature, standard, dissolved, Metabolic rate, standard, Laboratory experiment, Carbonate ion, Partial pressure of carbon dioxide (water) at sea surface temperature (wet air), Oxygen, partial pressure, Carbon dioxide, standard deviation, Amblyraja radiata, Earth System Research, Date time start, standard deviation, Calcite saturation state, Fugacity of carbon dioxide in seawater, Paralichthys dentatus, Oxygen saturation, water, Partial pressure of carbon dioxide, Aragonite saturation state, standard deviation, Salinity, standard deviation, Ocean Acidification International Coordination Centre OA ICC, Animalia, Carbon, inorganic, dissolved, standard deviation, Calcite saturation state, standard deviation, Bicarbonate ion, Nekton, Calculated using seacarb after Nisumaa et al. (2010), Species, Date/time start, Partial pressure of carbon dioxide, standard deviation, Metabolic rate of oxygen, Carbonate system computation flag, pH, standard deviation, Carbonate ion, standard deviation, Calculated using seacarb after Orr et al 2018, Mass, pH, total scale, Fugacity of carbon dioxide (water) at sea surface temperature (wet air), Carbon, Oxygen, Partial pressure of carbon dioxide water at sea surface temperature wet air, Carbon dioxide, Oxygen, partial pressure, critical, Single species, Fugacity of carbon dioxide water at sea surface temperature wet air, Coast and continental shelf
Ocean Acidification International Coordination Centre (OA-ICC), Temperate, Identification, Salinity, Name, Bicarbonate ion, standard deviation, inorganic, Alkalinity, total, standard deviation, Alkalinity, total scale, Calculated using seacarb after Orr et al. (2018), Metabolic rate, Type of study, Fugacity of carbon dioxide in seawater, standard deviation, Temperature, water, Carbon, inorganic, dissolved, Calculated using seacarb after Nisumaa et al 2010, Aragonite saturation state, Chordata, Alkalinity, total, total, Rostaraja eglanteria, critical, partial pressure, pH, Pelagos, Respiration, North Atlantic, Temperature, standard, dissolved, Metabolic rate, standard, Laboratory experiment, Carbonate ion, Partial pressure of carbon dioxide (water) at sea surface temperature (wet air), Oxygen, partial pressure, Carbon dioxide, standard deviation, Amblyraja radiata, Earth System Research, Date time start, standard deviation, Calcite saturation state, Fugacity of carbon dioxide in seawater, Paralichthys dentatus, Oxygen saturation, water, Partial pressure of carbon dioxide, Aragonite saturation state, standard deviation, Salinity, standard deviation, Ocean Acidification International Coordination Centre OA ICC, Animalia, Carbon, inorganic, dissolved, standard deviation, Calcite saturation state, standard deviation, Bicarbonate ion, Nekton, Calculated using seacarb after Nisumaa et al. (2010), Species, Date/time start, Partial pressure of carbon dioxide, standard deviation, Metabolic rate of oxygen, Carbonate system computation flag, pH, standard deviation, Carbonate ion, standard deviation, Calculated using seacarb after Orr et al 2018, Mass, pH, total scale, Fugacity of carbon dioxide (water) at sea surface temperature (wet air), Carbon, Oxygen, Partial pressure of carbon dioxide water at sea surface temperature wet air, Carbon dioxide, Oxygen, partial pressure, critical, Single species, Fugacity of carbon dioxide water at sea surface temperature wet air, Coast and continental shelf
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