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Saderne, Vincent (2012): Elevated pCO2 from late summer coastal upwellings in the western Baltic Sea enhances vegetative growth in the brown algae Fucus serratus: a laboratory assessment [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.846698, Supplement to: Saderne, V (2012): The ecological effect of CO2 on the brown algae Fucus serratus and its epibionts: From the habitat to the organismic scale [dissertation]. Christian-Albrechts-University of Kiel, Germany, 0-67, https://macau.uni-kiel.de/receive/diss_mods_00010109

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Abstract:
The brown algae Fucus serratus is one of the major meadow forming algae of the Western Baltic Sea nearshore ecosystem. At the end of summer, those meadows are exposed to local upwelling suddenly increasing the pCO2 and DIC up to 2500 µatm and 2250 µmol/kg resp., for period of days to weeks. This study investigates the growth response of summer's vegetative Fucus serratus to elevated pCO2 (1350 and 4080 µatm) during a 40 days laboratory incubation. After 10 days, increases of growth rates of 20 % and 47 % of the control were observed in the 1350 and 4080 µatm pCO2 treatments respectively. Beyond 20 days, the growth rates collapsed in all treatments due to nutrients shortage, as demonstrated by high C:N ratios (95:1) and low N tissue content (0.04 % of dry weight). The collapse occurs faster at higher pCO2. On day 30, growth rates were reduced by 40 % and 100 % relative to the control at 1350 and 4080 µatm respectively. These results are consistent with a fertilizing effect of elevated pCO2 on Fucus serratus presumably linked to the transition from active HCO3- to passive CO2(aq) uptake. This positive effect is limited by nutrients resources, low seawater dissolved inorganic N and P and shortage of the nutrients reserves accumulated over the previous autumn and winter.
Keyword(s):
Baltic Sea; Benthos; Biomass/Abundance/Elemental composition; Chromista; Coast and continental shelf; Containers and aquaria (20-1000 L or < 1 m**2); Fucus serratus; Growth/Morphology; Laboratory experiment; Macroalgae; Ochrophyta; Primary production/Photosynthesis; Single species; Temperate
Further details:
Gattuso, Jean-Pierre; Epitalon, Jean-Marie; Lavigne, Héloïse (2015): seacarb: seawater carbonate chemistry with R. R package version 3.0.6. https://cran.r-project.org/package=seacarb
Coverage:
Latitude: 54.450000 * Longitude: 9.883330
Date/Time Start: 2011-02-01T00:00:00 * Date/Time End: 2011-02-28T00:00:00
Minimum Elevation: -2.0 m * Maximum Elevation: 0.0 m
Event(s):
Eckernforder_Bay_OA * Latitude: 54.450000 * Longitude: 9.883330 * Date/Time Start: 2011-02-01T00:00:00 * Date/Time End: 2011-02-28T00:00:00 * Elevation Start: 0.0 m * Elevation End: -2.0 m * Method/Device: Experiment (EXP)
Comment:
In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Gattuso et al, 2015) 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 is 2015-06-01.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1SpeciesSpeciesSaderne, Vincent
2TreatmentTreatSaderne, VincentpCO2 (µatm)
3Time of dayTime of daySaderne, Vincent
4ReplicateReplSaderne, Vincent
5Growth rateµ%/daySaderne, Vincentper bottle
6Duration, number of daysDurationdaysSaderne, Vincent
7AreaAreacm2Saderne, Vincentthallus area
8Effective photochemical quantum yieldphi PS IISaderne, Vincent
9Effective photochemical quantum yield, standard deviationphi PS II std dev±Saderne, Vincent
10Carbon, totalTC%Saderne, Vincent
11Nitrogen, totalTN%Saderne, Vincent
12Carbon/Nitrogen ratioC/NSaderne, Vincent
13Temperature, waterTemp°CSaderne, Vincent
14Temperature, water, standard deviationTemp std dev±Saderne, Vincent
15SalinitySalSaderne, Vincent
16Salinity, standard deviationSal std dev±Saderne, Vincent
17pHpHSaderne, VincentPotentiometrictotal scale
18pH, standard deviationpH std dev±Saderne, VincentPotentiometrictotal scale
19Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmSaderne, Vincent
20Partial pressure of carbon dioxide, standard deviationpCO2 std dev±Saderne, Vincent
21Carbon, inorganic, dissolvedDICµmol/kgSaderne, VincentCoulometric titration
22Carbon, inorganic, dissolved, standard deviationDIC std dev±Saderne, VincentCoulometric titration
23Alkalinity, totalATµmol/kgSaderne, Vincent
24Alkalinity, total, standard deviationAT std dev±Saderne, Vincent
25Carbon dioxideCO2µmol/kgSaderne, Vincent
26Carbon dioxide, standard deviationCO2 std dev±Saderne, Vincent
27Bicarbonate ion[HCO3]-µmol/kgSaderne, Vincent
28Bicarbonate ion, standard deviation[HCO3]- std dev±Saderne, Vincent
29Carbonate ion[CO3]2-µmol/kgSaderne, Vincent
30Carbonate ion, standard deviation[CO3]2- std dev±Saderne, Vincent
31Nitrogen, inorganicN inorgµmol/kgSaderne, Vincent
32Nitrogen, inorganic, standard deviationN inorg std dev±Saderne, Vincent
33Phosphate[PO4]3-µmol/kgSaderne, Vincent
34Phosphate, standard deviation[PO4]3- std dev±Saderne, Vincent
35Carbonate system computation flagCSC flagYang, YanCalculated using seacarb after Nisumaa et al. (2010)
36Carbon dioxideCO2µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
37Fugacity of carbon dioxide (water) at sea surface temperature (wet air)fCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
38Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
39Bicarbonate ion[HCO3]-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
40Carbonate ion[CO3]2-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
41Carbon, inorganic, dissolvedDICµmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
42Aragonite saturation stateOmega ArgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
43Calcite saturation stateOmega CalYang, YanCalculated using seacarb after Nisumaa et al. (2010)
Size:
8188 data points

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