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Leo, Elettra; Kunz, Kristina Lore; Schmidt, Matthias; Storch, Daniela; Pörtner, Hans-Otto; Mark, Felix Christopher (2023): Seawater carbonate chemistry and mitochondrial acclimation potential to ocean acidification and warming of Polar cod (Boreogadus saida) and Atlantic cod (Gadus morhua) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.958164

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Abstract:
Background Ocean acidification and warming are happening fast in the Arctic but little is known about the effects of ocean acidification and warming on the physiological performance and survival of Arctic fish. Results In this study we investigated the metabolic background of performance through analyses of cardiac mitochondrial function in response to control and elevated water temperatures and PCO2 of two gadoid fish species, Polar cod (Boreogadus saida), an endemic Arctic species, and Atlantic cod (Gadus morhua), which is a temperate to cold eurytherm and currently expanding into Arctic waters in the wake of ocean warming. We studied their responses to the above-mentioned drivers and their acclimation potential through analysing the cardiac mitochondrial function in permeabilised cardiac muscle fibres after 4 months of incubation at different temperatures (Polar cod: 0, 3, 6, 8 °C and Atlantic cod: 3, 8, 12, 16 °C), combined with exposure to present (400μatm) and year 2100 (1170μatm) levels of CO2. OXPHOS, proton leak and ATP production efficiency in Polar cod were similar in the groups acclimated at 400μatm and 1170μatm of CO2, while incubation at 8 °C evoked increased proton leak resulting in decreased ATP production efficiency and decreased Complex IV capacity. In contrast, OXPHOS of Atlantic cod increased with temperature without compromising the ATP production efficiency, whereas the combination of high temperature and high PCO2 depressed OXPHOS and ATP production efficiency. Conclusions Polar cod mitochondrial efficiency decreased at 8 °C while Atlantic cod mitochondria were more resilient to elevated temperature; however, this resilience was constrained by high PCO2. In line with its lower habitat temperature and higher degree of stenothermy, Polar cod has a lower acclimation potential to warming than Atlantic cod.
Keyword(s):
Animalia; Arctic; Boreogadus saida; Chordata; Coast and continental shelf; Containers and aquaria (20-1000 L or < 1 m**2); Gadus morhua; Laboratory experiment; Nekton; Other studied parameter or process; Pelagos; Polar; Respiration; Single species; Temperature
Supplement to:
Leo, Elettra; Kunz, Kristina Lore; Schmidt, Matthias; Storch, Daniela; Pörtner, Hans-Otto; Mark, Felix Christopher (2017): Mitochondrial acclimation potential to ocean acidification and warming of Polar cod (Boreogadus saida) and Atlantic cod (Gadus morhua). Frontiers in Zoology, 14(1), 12 pp, https://doi.org/10.1186/s12983-017-0205-1
Source:
Leo, Elettra; Kunz, Kristina Lore; Schmidt, Matthias; Storch, Daniela; Pörtner, Hans-Otto; Mark, Felix Christopher (2017): Individual mitochondrial functioning parameters from cardiac permeabilised fibers of Polar cod (Boreogadus saida) and Atlantic cod (Gadus morhua) acclimated to ocean acidification and warming [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.873536
Schmidt, Matthias; Leo, Elettra; Kunz, Kristina Lore; Lucassen, Magnus; Windisch, Heidrun Sigrid; Storch, Daniela; Bock, Christian; Pörtner, Hans-Otto; Mark, Felix Christopher (2016): (Table 1 + Table 2) Time series of seawater carbonate chemistry calculated throughout incubation periods of Boreogadus saida and Gadus morhua during exposure to different CO2 and temperature conditions [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.866369
Documentation:
Gattuso, Jean-Pierre; Epitalon, Jean-Marie; Lavigne, Héloïse; Orr, James; Gentili, Bernard; Hagens, Mathilde; Hofmann, Andreas; Mueller, Jens-Daniel; Proye, Aurélien; Rae, James; Soetaert, Karline (2022): seacarb: seawater carbonate chemistry with R. R package version 3.3.1. https://cran.r-project.org/web/packages/seacarb/index.html
Comment:
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 2023-04-26.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Type of studyStudy typeMark, Felix Christopher
2Species, unique identificationSpecies UIDMark, Felix Christopher
3Species, unique identification (URI)Species UID (URI)Mark, Felix Christopher
4Species, unique identification (Semantic URI)Species UID (Semantic URI)Mark, Felix Christopher
5Treatment: temperatureT:temp°CMark, Felix Christopher
6Treatment: partial pressure of carbon dioxideT:pCO2µatmMark, Felix Christopher
7IdentificationIDMark, Felix Christopherfish
8Phosphorylation system capacity, maximumOXPHOS maxpmol/s/mgMark, Felix Christopher
9Respiration state IV+, per fresh massResp state IV+/fmpmol/s/mgMark, Felix Christopher
10Cytochrome c oxidase activity, per fresh massCOX act/fmpmol/s/mgMark, Felix Christopher
11Phosphorylation phosphorylation coupling efficiencyOXPHOS coupl effMark, Felix Christopher
12PercentagePerc%Mark, Felix Christopheroxygen consumed by State IV+ in relation to OXPHOS
13SalinitySalMark, Felix Christopher
14Salinity, standard deviationSal std dev±Mark, Felix Christopher
15Alkalinity, totalATµmol/kgMark, Felix ChristopherCalculated using CO2SYS
16Alkalinity, total, standard deviationAT std dev±Mark, Felix ChristopherCalculated using CO2SYS
17Carbon, inorganic, dissolvedDICµmol/kgMark, Felix ChristopherCoulometric titration
18Carbon, inorganic, dissolved, standard deviationDIC std dev±Mark, Felix ChristopherCoulometric titration
19pHpHMark, Felix ChristopherPotentiometrictotal scale
20pH, standard deviationpH std dev±Mark, Felix Christopher
21Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmMark, Felix ChristopherCalculated using CO2SYS
22Partial pressure of carbon dioxide, standard deviationpCO2 std dev±Mark, Felix ChristopherCalculated using CO2SYS
23Bicarbonate ion[HCO3]-µmol/kgMark, Felix ChristopherCalculated using CO2SYS
24Bicarbonate ion, standard deviation[HCO3]- std dev±Mark, Felix ChristopherCalculated using CO2SYS
25Carbonate ion[CO3]2-µmol/kgMark, Felix ChristopherCalculated using CO2SYS
26Carbonate ion, standard deviation[CO3]2- std dev±Mark, Felix ChristopherCalculated using CO2SYS
27Calcite saturation stateOmega CalMark, Felix ChristopherCalculated using CO2SYS
28Calcite saturation state, standard deviationOmega Cal std dev±Mark, Felix ChristopherCalculated using CO2SYS
29Aragonite saturation stateOmega ArgMark, Felix ChristopherCalculated using CO2SYS
30Aragonite saturation state, standard deviationOmega Arg std dev±Mark, Felix ChristopherCalculated using CO2SYS
31Temperature, waterTemp°CMark, Felix Christopher
32Temperature, water, standard deviationTemp std dev±Mark, Felix Christopher
33Carbonate system computation flagCSC flagYang, YanCalculated using seacarb after Nisumaa et al. (2010)
34pHpHYang, YanCalculated using seacarb after Nisumaa et al. (2010)
35Carbon dioxideCO2µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
36Fugacity of carbon dioxide (water) at sea surface temperature (wet air)fCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
37Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
38Bicarbonate ion[HCO3]-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
39Alkalinity, totalATµmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
40Aragonite saturation stateOmega ArgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
41Calcite saturation stateOmega CalYang, YanCalculated using seacarb after Nisumaa et al. (2010)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
3292 data points

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