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Havenhand, Jonathan N; Schlegel, Peter (2009): Seawater carbonate chemistry and biological processes during experiments with oyster Crassostrea gigas, 2009 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.752267, Supplement to: Havenhand, JN; Schlegel, P (2009): Near-future levels of ocean acidification do not affect sperm motility and fertilization kinetics in the oyster Crassostrea gigas. Biogeosciences, 6(12), 3009-3015, https://doi.org/10.5194/bg-6-3009-2009

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Abstract:
An increasing number of studies are now reporting the effects of ocean acidification on a broad range of marine species, processes and systems. Many of these are investigating the sensitive early life-history stages that several major reviews have highlighted as being potentially most susceptible to ocean acidification. Nonetheless there remain few investigations of the effects of ocean acidification on the very earliest, and critical, process of fertilization, and still fewer that have investigated levels of ocean acidification relevant for the coming century. Here we report the effects of near-future levels of ocean acidification (~0.35 pH unit change) on sperm swimming speed, sperm motility, and fertilization kinetics in a population of the Pacific oyster Crassostrea gigas from western Sweden. We found no significant effect of ocean acidification - a result that was well-supported by power analysis. Similar findings from Japan suggest that this may be a globally robust result, and we emphasise the need for experiments on multiple populations from throughout a species' range. We also discuss the importance of sound experimental design and power analysis in meaningful interpretation of non-significant results.
Keyword(s):
Animalia; Benthic animals; Benthos; Bottles or small containers/Aquaria (<20 L); Coast and continental shelf; Crassostrea gigas; Laboratory experiment; Mollusca; North Atlantic; Reproduction; Single species; Temperate
Project(s):
European network of excellence for Ocean Ecosystems Analysis (EUR-OCEANS)
European Project on Ocean Acidification (EPOCA)
Ocean Acidification International Coordination Centre (OA-ICC)
Funding:
Seventh Framework Programme (FP7), grant/award no. 211384: European Project on Ocean Acidification
Sixth Framework Programme (FP6), grant/award no. 511106: European network of excellence for Ocean Ecosystems Analysis
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 InvestigatorMethod/DeviceComment
1DateDateHavenhand, Jonathan N
2IdentificationIDHavenhand, Jonathan N
3Experimental treatmentExp treatHavenhand, Jonathan N
4pHpHHavenhand, Jonathan NpH meterNBS/NIST scale, H+ ion concentration in per µmol/l
5Alkalinity, totalATmmol(eq)/lHavenhand, Jonathan N
6SalinitySalHavenhand, Jonathan N
7Salinity, standard deviationSal std dev±Havenhand, Jonathan N
8Temperature, waterTemp°CHavenhand, Jonathan N
9Temperature, standard deviationT std dev±Havenhand, Jonathan N
10Sperm concentration, Crassostera gigasSperm C. gigas#/µlHavenhand, Jonathan NMicroscopy
11Fertilization success rateFert success%Havenhand, Jonathan N
12Motile sperm, Crassostera gigas, speedSperm speed C. gigasµm/sHavenhand, Jonathan NMicroscopy
13Motile sperm, Crassostera gigas, swimming > 15 µm/sSperm speed >15µ C. gigas%Havenhand, Jonathan NMicroscopy
14Alkalinity, totalATµmol/kgHavenhand, Jonathan N
15Carbon, inorganic, dissolvedDICµmol/kgHavenhand, Jonathan N
16pHpHHavenhand, Jonathan NCalculatedNBS/NIST scale, H+ ion concentration in per µmol/kg
17Carbonate system computation flagCSC flagNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
18pHpHNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)Total scale, H+ ion concentration per µmol/kg
19Carbon dioxideCO2µmol/kgNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
20Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
21Fugacity of carbon dioxide (water) at sea surface temperature (wet air)fCO2water_SST_wetµatmNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
22Bicarbonate ion[HCO3]-µmol/kgNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
23Carbonate ion[CO3]2-µmol/kgNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
24Aragonite saturation stateOmega ArgNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
25Calcite saturation stateOmega CalNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
10886 data points

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