Seawater carbonate chemistry and reproduction in a marine invertebrate
Seawater carbonate chemistry and reproduction in a marine invertebrate
Climate change research is advancing to more complex and more comprehensive studies that include long-term experiments, multiple life-history stages, multi-population, and multi-trait approaches. We used a population of the barnacle Balanus improvisus known to be sensitive to short-term acidification to determine its potential for long-term acclimation to acidification. We reared laboratory-bred individuals (as singles or pairs), and field-collected assemblages of barnacles, at pH 8.1 and 7.5 (400 and 1600 μatm pCO2 respectively) for up to 16 months. Acidification caused strong mortality and reduced growth rates. Acidification suppressed respiration rates and induced a higher feeding activity of barnacles after 6 months, but this suppression of respiration rate was absent after 15 months. Laboratory-bred barnacles developed mature gonads only when they were held in pairs, but nonetheless failed to produce fertilized embryos. Field-collected barnacles reared in the laboratory for 8 months at the same pH's developed mature gonads, but only those in pH 8.1 produced viable embryos and larvae. Because survivors of long-term acidification were not capable of reproducing, this demonstrates that B. improvisus can only partially acclimate to long-term acidification. This represents a clear and significant bottleneck in the ontogeny of this barnacle population that may limit its potential to persist in a future ocean.
In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Gattuso et al, 2019) 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 2020-10-14.
Ocean Acidification International Coordination Centre (OA-ICC), Temperate, Registration number of species, Condition index, Salinity, Survival, inorganic, Alkalinity, Total counts, Experiment, Temperature, water, Carbon, inorganic, dissolved, Size, Calculated using seacarb after Nisumaa et al 2010, Aragonite saturation state, Respiration rate, oxygen, Alkalinity, total, total, Mortality Survival, pH, Reproduction, Respiration, Spectrophotometric, Temperature, North Atlantic, Month, dissolved, Laboratory experiment, Carbonate ion, Partial pressure of carbon dioxide (water) at sea surface temperature (wet air), Temperature, water, standard deviation, Containers and aquaria 20 1000 L or 1 m 2, mature, Respiration rate, Earth System Research, Containers and aquaria (20-1000 L or < 1 m**2), standard deviation, Mortality/Survival, FOS: Medical biotechnology, Uniform resource locator link to reference, Calcite saturation state, Arthropoda, Dry mass, water, Growth Morphology, Containers and aquaria (20-1000 L or < 1 m**2), Figure, Gonad stage, mature, Benthos, Uniform resource locator/link to reference, Salinity, standard deviation, DATE TIME, Ocean Acidification International Coordination Centre OA ICC, Animalia, Behaviour, Type, Bicarbonate ion, Balanus improvisus, Ratio, Calculated using seacarb after Nisumaa et al. (2010), Species, Laboratory strains, Carbonate system computation flag, pH, standard deviation, Fertilized eggs, pH, total scale, Fugacity of carbon dioxide (water) at sea surface temperature (wet air), Carbon, Activity, Treatment, Partial pressure of carbon dioxide water at sea surface temperature wet air, DATE/TIME, Carbon dioxide, Gonad stage, Not applicable, Growth/Morphology, Single species, Fugacity of carbon dioxide water at sea surface temperature wet air, Benthic animals, Coast and continental shelf, oxygen
Ocean Acidification International Coordination Centre (OA-ICC), Temperate, Registration number of species, Condition index, Salinity, Survival, inorganic, Alkalinity, Total counts, Experiment, Temperature, water, Carbon, inorganic, dissolved, Size, Calculated using seacarb after Nisumaa et al 2010, Aragonite saturation state, Respiration rate, oxygen, Alkalinity, total, total, Mortality Survival, pH, Reproduction, Respiration, Spectrophotometric, Temperature, North Atlantic, Month, dissolved, Laboratory experiment, Carbonate ion, Partial pressure of carbon dioxide (water) at sea surface temperature (wet air), Temperature, water, standard deviation, Containers and aquaria 20 1000 L or 1 m 2, mature, Respiration rate, Earth System Research, Containers and aquaria (20-1000 L or < 1 m**2), standard deviation, Mortality/Survival, FOS: Medical biotechnology, Uniform resource locator link to reference, Calcite saturation state, Arthropoda, Dry mass, water, Growth Morphology, Containers and aquaria (20-1000 L or < 1 m**2), Figure, Gonad stage, mature, Benthos, Uniform resource locator/link to reference, Salinity, standard deviation, DATE TIME, Ocean Acidification International Coordination Centre OA ICC, Animalia, Behaviour, Type, Bicarbonate ion, Balanus improvisus, Ratio, Calculated using seacarb after Nisumaa et al. (2010), Species, Laboratory strains, Carbonate system computation flag, pH, standard deviation, Fertilized eggs, pH, total scale, Fugacity of carbon dioxide (water) at sea surface temperature (wet air), Carbon, Activity, Treatment, Partial pressure of carbon dioxide water at sea surface temperature wet air, DATE/TIME, Carbon dioxide, Gonad stage, Not applicable, Growth/Morphology, Single species, Fugacity of carbon dioxide water at sea surface temperature wet air, Benthic animals, Coast and continental shelf, oxygen
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