Not logged in
PANGAEA.
Data Publisher for Earth & Environmental Science

Ragazzola, Federica; Foster, Laura C; Form, Armin; Anderson, Phillip S L; Hansteen, Thor H; Fietzke, Jan (2012): Seawater carbonate chemistry and structural integrity of the coralline algae Lithothamnion glaciale in a laboratory experiment. doi:10.1594/PANGAEA.823460,
Supplement to: Ragazzola, F et al. (2012): Ocean acidification weakens the structural integrity of coralline algae. Global Change Biology, 18(9), 2804-2812, doi:10.1111/j.1365-2486.2012.02756.x

Always quote above citation when using data! You can download the citation in several formats below.

RIS CitationBibTeX CitationShow MapGoogle Earth

Abstract:
The uptake of anthropogenic emission of carbon dioxide is resulting in a lowering of the carbonate saturation state and a drop in ocean pH. Understanding how marine calcifying organisms such as coralline algae may acclimatize to ocean acidification is important to understand their survival over the coming century. We present the first long-term perturbation experiment on the cold-water coralline algae, which are important marine calcifiers in the benthic ecosystems particularly at the higher latitudes. Lithothamnion glaciale, after three months incubation, continued to calcify even in undersaturated conditions with a significant trend towards lower growth rates with increasing pCO2. However, the major changes in the ultra-structure occur by 589 µatm (i.e. in saturated waters). Finite element models of the algae grown at these heightened levels show an increase in the total strain energy of nearly an order of magnitude and an uneven distribution of the stress inside the skeleton when subjected to similar loads as algae grown at ambient levels. This weakening of the structure is likely to reduce the ability of the alga to resist boring by predators and wave energy with severe consequences to the benthic community structure in the immediate future (50 years).
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
Coverage:
Latitude: 57.010160 * Longitude: 11.583160
Date/Time Start: 2010-06-01T00:00:00 * Date/Time End: 2010-06-30T00:00:00
Minimum Elevation: -20.0 m * Maximum Elevation: -20.0 m
Event(s):
Kattegat_OA * Latitude: 57.010160 * Longitude: 11.583160 * Date/Time Start: 2010-06-01T00:00:00 * Date/Time End: 2010-06-30T00:00:00 * Elevation: -20.0 m * Device: Experiment (EXP)
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 2013-11-29.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1SpeciesSpeciesRagazzola, Federica
2TreatmentTreatRagazzola, Federica
3Growth rateµmm/aRagazzola, Federica
4Growth rate, standard deviationµ std dev±Ragazzola, Federica
5Coralline algae, wall thickness, intra filamentWall thick intraµmRagazzola, Federica
6Coralline algae, wall thickness, intra filament, standard deviationWall thick intra std dev±Ragazzola, Federica
7Coralline algae, wall thickness, intra filamentWall thick intraµmRagazzola, Federica
8Coralline algae, wall thickness, inter filament, standard deviationWall thick inter std dev±Ragazzola, Federica
9Cell densityCells#/µm2Ragazzola, Federica
10Cell density, standard deviationCells std dev±Ragazzola, Federica
11pHpHRagazzola, FedericaPotentiometricfree scale
12pH, standard deviationpH std dev±Ragazzola, FedericaPotentiometricfree scale
13SalinitySalRagazzola, Federica
14Salinity, standard deviationSal std dev±Ragazzola, Federica
15Temperature, waterTemp°CRagazzola, Federica
16Temperature, standard deviationT std dev±Ragazzola, Federica
17Alkalinity, totalATµmol/kgRagazzola, FedericaPotentiometric titration
18Alkalinity, total, standard deviationAT std dev±Ragazzola, Federica
19Carbon, inorganic, dissolvedDICµmol/kgRagazzola, FedericaCalculated using CO2SYS
20Carbon, inorganic, dissolved, standard deviationDIC std dev±Ragazzola, FedericaCalculated using CO2SYS
21Bicarbonate ion[HCO3]-µmol/kgRagazzola, FedericaCalculated using CO2SYS
22Bicarbonate ion, standard deviation[HCO3]- std dev±Ragazzola, FedericaCalculated using CO2SYS
23Calcite saturation stateOmega CalRagazzola, FedericaCalculated using CO2SYS
24Calcite saturation state, standard deviationOmega Cal std dev±Ragazzola, FedericaCalculated using CO2SYS
25Aragonite saturation stateOmega ArgRagazzola, FedericaCalculated using CO2SYS
26Aragonite saturation state, standard deviationOmega Arg std dev±Ragazzola, FedericaCalculated using CO2SYS
27Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmRagazzola, FedericaCalculated using CO2SYS
28Partial pressure of carbon dioxide, standard deviationpCO2 std dev±Ragazzola, FedericaCalculated using CO2SYS
29Carbonate system computation flagCSC flagYang, YanCalculated using seacarb after Nisumaa et al. (2010)
30pHpHYang, YanCalculated using seacarb after Nisumaa et al. (2010)total scale
31Carbon dioxideCO2µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
32Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
33Fugacity of carbon dioxide (water) at sea surface temperature (wet air)fCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
34Bicarbonate ion[HCO3]-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
35Carbonate ion[CO3]2-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
36Carbon, inorganic, dissolvedDICµmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
37Aragonite saturation stateOmega ArgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
38Calcite saturation stateOmega CalYang, YanCalculated using seacarb after Nisumaa et al. (2010)
Size:
152 data points

Download Data

Download dataset as tab-delimited text (use the following character encoding: )

View dataset as HTML