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 [dataset]. PANGAEA, https://doi.org/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, https://doi.org/10.1111/j.1365-2486.2012.02756.x
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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).
Keyword(s):
Further details:
Lavigne, Héloïse; Gattuso, Jean-Pierre (2011): seacarb: seawater carbonate chemistry with R. R package version 2.4. https://cran.r-project.org/package=seacarb
Project(s):
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):
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):
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
152 data points
Data
1 Species | 2 Treat | 3 µ [mm/a] | 4 µ std dev [±] | 5 Wall thick intra [µm] | 6 Wall thick intra std dev [±] | 7 Wall thick intra [µm] | 8 Wall thick inter std dev [±] | 9 Cells [#/µm2] | 10 Cells std dev [±] | 11 pH (free scale, Potentiometric) | 12 pH std dev [±] (free scale, Potentiometric) | 13 Sal | 14 Sal std dev [±] | 15 Temp [°C] | 16 T std dev [±] | 17 AT [µmol/kg] (Potentiometric titration) | 18 AT std dev [±] | 19 DIC [µmol/kg] (Calculated using CO2SYS) | 20 DIC std dev [±] (Calculated using CO2SYS) | 21 [HCO3]- [µmol/kg] (Calculated using CO2SYS) | 22 [HCO3]- std dev [±] (Calculated using CO2SYS) | 23 Omega Cal (Calculated using CO2SYS) | 24 Omega Cal std dev [±] (Calculated using CO2SYS) | 25 Omega Arg (Calculated using CO2SYS) | 26 Omega Arg std dev [±] (Calculated using CO2SYS) | 27 pCO2water_SST_wet [µatm] (Calculated using CO2SYS) | 28 pCO2 std dev [±] (Calculated using CO2SYS) | 29 CSC flag (Calculated using seacarb afte...) | 30 pH (total scale, Calculated using...) | 31 CO2 [µmol/kg] (Calculated using seacarb afte...) | 32 pCO2water_SST_wet [µatm] (Calculated using seacarb afte...) | 33 fCO2water_SST_wet [µatm] (Calculated using seacarb afte...) | 34 [HCO3]- [µmol/kg] (Calculated using seacarb afte...) | 35 [CO3]2- [µmol/kg] (Calculated using seacarb afte...) | 36 DIC [µmol/kg] (Calculated using seacarb afte...) | 37 Omega Arg (Calculated using seacarb afte...) | 38 Omega Cal (Calculated using seacarb afte...) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lithothamnion glaciale (macroalga) | pCO2=410 µatm | 1.020 | 0.13 | 0.86 | 0.08 | 1.36 | 0.19 | 0.034 | 0.0030 | 8.030 | 0.50 | 32.2 | 1.2 | 7.7 | 0.2 | 2311.5 | 101.2 | 2159.45 | 86.6 | 2076.7 | 76.6 | 2.80 | 0.33 | 1.77 | 0.20 | 422 | 38.9 | 26 | 7.97 | 23 | 489 | 487 | 2060 | 101 | 2185 | 1.55 | 2.45 |
Lithothamnion glaciale (macroalga) | pCO2=560 µatm | 0.850 | 0.09 | 0.69 | 0.05 | 0.83 | 0.06 | 0.027 | 0.0020 | 7.900 | 0.03 | 31.3 | 0.1 | 7.6 | 0.1 | 2315.0 | 122.7 | 2216.70 | 89.2 | 2181.8 | 106.4 | 2.08 | 0.30 | 1.31 | 0.20 | 589 | 29.6 | 26 | 7.84 | 33 | 682 | 679 | 2128 | 76 | 2237 | 1.16 | 1.84 |
Lithothamnion glaciale (macroalga) | pCO2=840 µatm | 0.791 | 0.22 | 0.71 | 0.05 | 0.73 | 0.05 | 0.023 | 0.0006 | 7.811 | 0.07 | 31.5 | 0.7 | 7.7 | 0.3 | 2355.1 | 96.0 | 2496.10 | 0.1 | 2226.5 | 77.8 | 1.78 | 0.34 | 1.12 | 0.20 | 755 | 118.1 | 26 | 7.76 | 42 | 865 | 861 | 2197 | 64 | 2303 | 0.98 | 1.56 |
Lithothamnion glaciale (macroalga) | pCO2=1120 µatm | 0.690 | 0.14 | 0.59 | 0.08 | 0.76 | 0.06 | 0.023 | 0.0010 | 7.720 | 0.07 | 31.6 | 0.7 | 7.7 | 0.2 | 2537.7 | 97.5 | 2285.37 | 155.9 | 2403.8 | 83.9 | 1.55 | 0.15 | 0.98 | 0.09 | 1018 | 174.8 | 26 | 7.66 | 56 | 1164 | 1159 | 2399 | 57 | 2512 | 0.87 | 1.38 |