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Data Publisher for Earth & Environmental Science

Frommel, Andrea Y; Stiebens, V; Clemmesen, Catriona; Havenhand, Jon N (2010): Seawater carbonate chemistry and Gadus morhua length, weight and sperm biological processes, 2010. doi:10.1594/PANGAEA.758632,
Supplement to: Frommel, AY et al. (2010): Effect of ocean acidification on marine fish sperm (Baltic cod: Gadus morhua). Biogeosciences, 7(12), 3915-3919, doi:10.5194/bg-7-3915-2010

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Abstract:
Ocean acidification, as a consequence of increasing marine pCO2, may have severe effects on the physiology of marine organisms. However, experimental studies remain scarce, in particular concerning fish. While adults will most likely remain relatively unaffected by changes in seawater pH, early life-history stages are potentially more sensitive - particularly the critical stage of fertilization, in which sperm motility plays a central role. In this study, the effects of ocean acidification (decrease of pHT to 7.55) on sperm motility of Baltic cod, Gadus morhua, were assessed. We found no significant effect of decreased pH on sperm speed, rate of change of direction or percent motility for the population of cod analyzed. We predict that future ocean acidification will probably not pose a problem for sperm behavior, and hence fertilization success, of Baltic cod.
Comment:
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).
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1IdentificationIDFrommel, Andrea Y
2Experimental treatmentExp trtmFrommel, Andrea Y
3SalinitySalFrommel, Andrea YMeasured
4Temperature, waterTemp°CFrommel, Andrea YMeasured
5Alkalinity, totalATµmol/kgFrommel, Andrea YMeasured
6Carbon, inorganic, dissolvedDICµmol/kgFrommel, Andrea YMeasured
7Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmFrommel, Andrea YCalculated using CO2SYS
8pHpHFrommel, Andrea YCalculated using CO2SYSTotal scale
9Gadus morhua, standard lengthG. morhua slmmFrommel, Andrea YMeasured
10Gadus morhua, massG. morhua mgFrommel, Andrea YMeasured
11Gadus morhua, sperm, swimming speedG. morhua sperm speedµm/sFrommel, Andrea YMeasuredMean
12Gadus morhua, sperm, swimming speedG. morhua sperm speedµm/sFrommel, Andrea YMeasuredMoving >25 µm/s
13Gadus morhua, sperm, swimming speedG. morhua sperm speedµm/sFrommel, Andrea YMeasuredMoving >50 µm/s
14Gadus morhua, sperm, motileG. morhua sperm motlie%Frommel, Andrea YMeasuredMoving >25 µm/s
15Gadus morhua, sperm, motileG. morhua sperm motlie%Frommel, Andrea YMeasuredMoving >50 µm/s
16Carbonate system computation flagCSC flagNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
17pHpHNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)Total scale
18Carbon dioxideCO2µmol/kgNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
19Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
20Fugacity of carbon dioxide (water) at sea surface temperature (wet air)fCO2water_SST_wetµatmNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
21Bicarbonate ion[HCO3]-µmol/kgNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
22Carbonate ion[CO3]2-µmol/kgNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
23Aragonite saturation stateOmega ArgNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
24Calcite saturation stateOmega CalNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
Size:
4200 data points

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