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Pansch, Christian; Nasrolahi, Ali; Appelhans, Yasmin S; Wahl, Martin (2014): Tolerance of juvenile barnacles (Amphibalanus improvisus) to warming and elevated pCO2. PANGAEA, https://doi.org/10.1594/PANGAEA.831429, Supplement to: Pansch, C et al. (2012): Tolerance of juvenile barnacles (Amphibalanus improvisus) to warming and elevated pCO2. Marine Biology, 160(8), 2023-2035, https://doi.org/10.1007/s00227-012-2069-4

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Abstract:
We investigated the impacts of warming and elevated pCO2 on newly settled Amphibalanus improvisus from Kiel Fjord, an estuarine ecosystem characterized by significant natural pCO2 variability. In two experiments, juvenile barnacles were maintained at two temperature and three pCO2 levels (20/24°C, 700-2.140 µatm) for 8 weeks in a batch culture and at four pCO2 levels (20°C, 620-2.870 µatm) for 12 weeks in a water flow-through system. Warming as well as elevated pCO2 hardly affected growth or the condition index of barnacles, although some factor combinations led to temporal significances in enhanced or reduced growth with an increase in pCO2. While warming increased the shell strength of A. improvisus individuals, elevated pCO2 had only weak effects. We demonstrate a strong tolerance of juvenile A. improvisus to mean acidification levels of about 1,000 µatm pCO2 as is already naturally experienced by the investigated barnacle population.
Keyword(s):
Amphibalanus improvisus; Animalia; Arthropoda; Baltic Sea; Benthic animals; Benthos; Bottles or small containers/Aquaria ( 20 L); Coast and continental shelf; Growth/Morphology; Laboratory experiment; Single species; Temperate; Temperature
Further details:
Lavigne, Héloise; Gattuso, Jean-Pierre (2011): seacarb: seawater carbonate chemistry with R. R package version 2.4. https://cran.r-project.org/package=seacarb
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). The date of carbonate chemistry calculation by seacarb is 2014-04-03.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1SpeciesSpeciesPansch, Christian
2FigureFigPansch, Christian
3Incubation durationInc durdaysPansch, ChristianIncubation day
4NumberNoPansch, ChristianNr.L
5NumberNoPansch, ChristianNr. R
6NumberNoPansch, ChristianAquarium #
7Temperature, waterTemp°CPansch, Christian
8Temperature, water, standard deviationTemp std dev±Pansch, Christian
9TreatmentTreatPansch, Christian
10NumberNoPansch, ChristianPlate #
11DiameterصmPansch, Christianbasal diameter
12Dry massDry mgPansch, Christian
13Ash massAsh mgPansch, Christian
14Ash free dry massAFDMgPansch, Christian
15Condition indexCIPansch, Christian
16ForceFkgfPansch, ChristianShear force [force/cm2]
17ForceFkgfPansch, ChristianBreaking force [force/cm2]
18NumberNoPansch, ChristianPlaNr 12
19NumberNoPansch, ChristianPlaNr 15
20Wet massWet mgPansch, Christian
21Ash free dry massAFDMgPansch, ChristianAFDW (anorganic)
22Organic matterOMgPansch, Christianorganic
23RatioRatioPansch, ChristianCalculatedO/A ratio
24SalinitySalPansch, Christian
25Salinity, standard deviationSal std dev±Pansch, Christian
26pHpHPansch, ChristianNBS scale
27pH, standard deviationpH std dev±Pansch, ChristianNBS scale
28pHpHPansch, Christiantotal scale
29pH, standard deviationpH std dev±Pansch, Christiantotal scale
30Carbon, inorganic, dissolvedDICµmol/kgPansch, Christian
31Carbon, inorganic, dissolved, standard deviationDIC std dev±Pansch, Christian
32Alkalinity, totalATµmol/kgPansch, Christian
33Alkalinity, total, standard deviationAT std dev±Pansch, Christian
34Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmPansch, Christian
35Partial pressure of carbon dioxide, standard deviationpCO2 std dev±Pansch, Christian
36Calcite saturation stateOmega CalPansch, ChristianCalculated
37Calcite saturation state, standard deviationOmega Cal std dev±Pansch, Christian
38Aragonite saturation stateOmega ArgPansch, ChristianCalculated
39Aragonite saturation state, standard deviationOmega Arg std dev±Pansch, Christian
40Carbonate system computation flagCSC flagYang, YanCalculated using seacarb after Nisumaa et al. (2010)
41Carbon dioxideCO2µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
42Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
43Fugacity of carbon dioxide (water) at sea surface temperature (wet air)fCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
44Bicarbonate ion[HCO3]-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
45Carbonate ion[CO3]2-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
46Alkalinity, totalATµmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
47Aragonite saturation stateOmega ArgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
48Calcite saturation stateOmega CalYang, YanCalculated using seacarb after Nisumaa et al. (2010)
Size:
23856 data points

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