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Wolf, Klara K E; Hoppe, Clara Jule Marie; Rost, Björn (2020): Seawater carbonate chemistry and growth, production rates, and elemental quotas of Thalassiosira hyalina. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.923884 (DOI registration in progress)

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Abstract:
The potential for adaptation of phytoplankton to future climate is often extrapolated based on single strain responses of a representative species, ignoring variability within and between species. The aim of this study was to approximate the range of strain-specific reaction patterns within an Arctic diatom population, which selection can act upon. In a laboratory experiment, we first incubated natural communities from an Arctic fjord under present and future conditions. In a second step, single strains of the diatom Thalassiosira hyalina were isolated from these selection environments and exposed to a matrix of temperature (3°C and 6°C) and pCO2 levels (180 μatm, 370 μatm, 1000 μatm, 1400 μatm) to establish reaction norms for growth, production rates, and elemental quotas. The results revealed interactive effects of temperature and pCO2 as well as wide tolerance ranges. Between strains, however, sensitivities and optima differed greatly. These strain-specific responses corresponded well with their respective selection environments of the previous community incubation. We therefore hypothesize that intraspecific variability and the selection between coexisting strains may pose an underestimated source of species' plasticity. Thus, adaptation of phytoplankton assemblages may also occur by selection within rather than only between species, and species-wide inferences from single strain experiments should be treated with caution.
Keyword(s):
Arctic; Biomass/Abundance/Elemental composition; Bottles or small containers/Aquaria (<20 L); Chromista; Coast and continental shelf; Community composition and diversity; Entire community; Growth/Morphology; Laboratory experiment; Light; Ochrophyta; Pelagos; Phytoplankton; Polar; Primary production/Photosynthesis; Single species; Temperature; Thalassiosira hyalina
Supplement to:
Wolf, Klara K E; Hoppe, Clara Jule Marie; Rost, Björn (2018): Resilience by diversity: Large intraspecific differences in climate change responses of an Arctic diatom. Limnology and Oceanography, 63(1), 397-411, https://doi.org/10.1002/lno.10639
Further details:
Gattuso, Jean-Pierre; Epitalon, Jean-Marie; Lavigne, Héloise; Orr, James C; Gentili, Bernard; Hagens, Mathilde; Hofmann, Andreas; Mueller, Jens-Daniel; Proye, Aurélien; Rae, James; Soetaert, Karline (2019): seacarb: seawater carbonate chemistry with R. R package version 3.2.12. https://CRAN.R-project.org/package=seacarb
Coverage:
Latitude: 78.916670 * Longitude: 11.933330
Event(s):
KongsfjordenOA * Latitude: 78.916670 * Longitude: 11.933330 * Method/Device: Experiment (EXP)
Comment:
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.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1TypeTypeWolf, Klara K Estudy
2SpeciesSpeciesWolf, Klara K E
3Registration number of speciesReg spec noWolf, Klara K E
4Uniform resource locator/link to referenceURL refWolf, Klara K EWoRMS Aphia ID
5StrainStrainWolf, Klara K ECPL=Cold Present-pCO2 Low
light; WFH=Warm Future-pCO2 High-light
6Temperature, waterTemp°CWolf, Klara K E
7Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmWolf, Klara K E
8Growth rateµ1/dayWolf, Klara K E
9Growth rate, standard deviationµ std dev±Wolf, Klara K E
10Carbon, organic, particulate, per cellPOCpg/#Wolf, Klara K E
11Carbon, organic, particulate, standard deviationPOC std dev±Wolf, Klara K E
12Chlorophyll a per cellChl apg/#Wolf, Klara K E
13Chlorophyll a, standard deviationChl a std dev±Wolf, Klara K E
14Biogenic silica, per cellbSiO2/cellµg/#Wolf, Klara K E
15Biogenic silica, standard deviationbSiO2 std dev±Wolf, Klara K E
16Carbon/Nitrogen ratioC/Nmol/molWolf, Klara K E
17Carbon/Nitrogen ratio, standard deviationC/N std dev±Wolf, Klara K E
18Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmWolf, Klara K ECalculated using CO2SYS
19Partial pressure of carbon dioxide, standard deviationpCO2 std dev±Wolf, Klara K ECalculated using CO2SYS
20pHpHWolf, Klara K EPotentiometrictotal scale
21pH, standard deviationpH std dev±Wolf, Klara K EPotentiometrictotal scale
22Alkalinity, totalATµmol/kgWolf, Klara K EPotentiometric titration
23Alkalinity, total, standard deviationAT std dev±Wolf, Klara K EPotentiometric titration
24Carbon, inorganic, dissolvedDICµmol/kgWolf, Klara K EColorimetric
25Carbon, inorganic, dissolved, standard deviationDIC std dev±Wolf, Klara K E
26SalinitySalWolf, Klara K E
27TreatmentTreatWolf, Klara K E
28DiatomsDiatoms%Wolf, Klara K E
29Diatoms, standard deviationDiatoms std dev±Wolf, Klara K E
30PercentagePerc%Wolf, Klara K ET. hyalina, % biovolume
31Percentage, standard deviationPerc std dev±Wolf, Klara K E
32PercentagePerc%Wolf, Klara K ET. hyalina, % cell count
33Percentage, standard deviationPerc std dev±Wolf, Klara K E
34Carbonate system computation flagCSC flagYang, YanCalculated using seacarb after Nisumaa et al. (2010)
35Carbon dioxideCO2µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
36Carbon dioxide, standard deviationCO2 std dev±Yang, YanCalculated using seacarb after Orr et al. (2018)
37Fugacity of carbon dioxide (water) at sea surface temperature (wet air)fCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
38Fugacity of carbon dioxide in seawater, standard deviationfCO2 std dev±Yang, YanCalculated using seacarb after Orr et al. (2018)
39Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
40Partial pressure of carbon dioxide, standard deviationpCO2 std dev±Yang, YanCalculated using seacarb after Orr et al. (2018)
41Bicarbonate ion[HCO3]-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
42Bicarbonate ion, standard deviation[HCO3]- std dev±Yang, YanCalculated using seacarb after Orr et al. (2018)
43Carbonate ion[CO3]2-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
44Carbonate ion, standard deviation[CO3]2- std dev±Yang, YanCalculated using seacarb after Orr et al. (2018)
45Carbon, inorganic, dissolvedDICµmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
46Carbon, inorganic, dissolved, standard deviationDIC std dev±Yang, YanCalculated using seacarb after Orr et al. (2018)
47Aragonite saturation stateOmega ArgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
48Aragonite saturation state, standard deviationOmega Arg std dev±Yang, YanCalculated using seacarb after Orr et al. (2018)
49Calcite saturation stateOmega CalYang, YanCalculated using seacarb after Nisumaa et al. (2010)
50Calcite saturation state, standard deviationOmega Cal std dev±Yang, YanCalculated using seacarb after Orr et al. (2018)
Size:
976 data points

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