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Wisshak, Max; Schönberg, Christine HL; Form, Armin; Freiwald, André (2012): Ocean acidification accelerates reef bioerosion. doi:10.1594/PANGAEA.831694,
Supplement to: Wisshak, M et al. (2012): Ocean acidification accelerates reef bioerosion. PLoS ONE, 7(9), e45124, doi:10.1371/journal.pone.0045124

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Abstract:
In the recent discussion how biotic systems may react to ocean acidification caused by the rapid rise in carbon dioxide partial pressure (pCO2) in the marine realm, substantial research is devoted to calcifiers such as stony corals. The antagonistic process-biologically induced carbonate dissolution via bioerosion- has largely been neglected. Unlike skeletal growth, we expect bioerosion by chemical means to be facilitated in a high-CO2 world. This study focuses on one of the most detrimental bioeroders, the sponge Cliona orientalis, which attacks and kills live corals on Australia's Great Barrier Reef. Experimental exposure to lowered and elevated levels of pCO2 confirms a significant enforcement of the sponges' bioerosion capacity with increasing pCO2 under more acidic conditions. Considering the substantial contribution of sponges to carbonate bioerosion, this finding implies that tropical reef ecosystems are facing the combined effects of weakened coral calcification and accelerated bioerosion, resulting in critical pressure on the dynamic balance between biogenic carbonate build-up and degradation.
Further details:
Gattuso, Jean-Pierre; Epitalon, Jean-Marie; Lavigne, Héloise (2015): seacarb: seawater carbonate chemistry with R. R package version 3.0.6. 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 is 2014-04-04.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1SpeciesSpeciesWisshak, Max
2FigureFigWisshak, Max
3TableTabWisshak, Max
4TreatmentTreatWisshak, Max
5Bioerosion rateBioerosionkg/m2/aWisshak, Max
6Temperature, waterTemp°CWisshak, Max
7Temperature, water, standard deviationTemp std dev±Wisshak, Max
8SalinitySalWisshak, Max
9Salinity, standard deviationSal std dev±Wisshak, Max
10pHpHWisshak, MaxPotentiometricNBS Scale
11pH, standard deviationpH std dev±Wisshak, MaxPotentiometricNBS Scale
12Carbon, inorganic, dissolvedDICµmol/kgWisshak, MaxCoulometric titration
13Carbon, inorganic, dissolved, standard deviationDIC std dev±Wisshak, MaxCoulometric titration
14Alkalinity, totalATµmol/kgWisshak, MaxPotentiometric titration
15Alkalinity, total, standard deviationAT std dev±Wisshak, MaxPotentiometric titration
16Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmWisshak, MaxCalculated using CO2SYS
17Partial pressure of carbon dioxide, respiration, standard deviationpCO2 resp std dev±Wisshak, MaxCalculated using CO2SYS
18pHpHWisshak, MaxCalculatedtotal scale
19pH, standard deviationpH std dev±Wisshak, MaxCalculatedtotal scale
20Bicarbonate ion[HCO3]-µmol/kgWisshak, MaxCalculated using CO2SYS
21Bicarbonate ion, standard deviation[HCO3]- std dev±Wisshak, MaxCalculated using CO2SYS
22Carbonate ion[CO3]2-µmol/kgWisshak, MaxCalculated using CO2SYS
23Carbonate ion, standard deviation[CO3]2- std dev±Wisshak, MaxCalculated using CO2SYS
24Aragonite saturation stateOmega ArgWisshak, MaxCalculated using CO2SYS
25Aragonite saturation state, standard deviationOmega Arg std dev±Wisshak, MaxCalculated using CO2SYS
26Calcite saturation stateOmega CalWisshak, MaxCalculated using CO2SYS
27Calcite saturation state, standard deviationOmega Cal std dev±Wisshak, MaxCalculated using CO2SYS
28NitrateNO3µmol/lWisshak, MaxSpectrophotometric
29Nitrate, standard deviationNO3 std dev±Wisshak, MaxSpectrophotometric
30Nitrite[NO2]-µmol/lWisshak, MaxSpectrophotometric
31Nitrite, standard deviation[NO2]- std dev±Wisshak, MaxSpectrophotometric
32Ammonium[NH4]+µmol/lWisshak, MaxFluorometric
33Ammonium, standard deviation[NH4]+ std dev±Wisshak, MaxFluorometric
34PhosphatePO4µmol/lWisshak, MaxSpectrophotometric
35Phosphate, standard deviationPO4 std dev±Wisshak, MaxSpectrophotometric
36SilicateSi(OH)4µmol/lWisshak, MaxSpectrophotometric
37Silicate, standard deviationSi(OH)4 std dev±Wisshak, MaxSpectrophotometric
38Luminous intensityI vcdWisshak, Max
39Luminous intensity, standard deviationI v std dev±Wisshak, Max
40Time point, descriptiveTime pointWisshak, Max
41Maximum photochemical quantum yield of photosystem IIFv/FmWisshak, Max
42Maximum photochemical quantum yield of photosystem II, standard deviationFv/Fm std dev±Wisshak, Max
43Fluorescence, minimumFoWisshak, Max
44Fluorescence, minimum, standard deviationFo std dev±Wisshak, Max
45Penetration depthPenetr depthmWisshak, Max
46Penetration depth, standard deviationPenetr depth std dev±Wisshak, Max
47MassMassgWisshak, Maxsponge biomass
48Mass, standard deviationMass std dev±Wisshak, Maxsponge biomass
49Mass changeMass chngWisshak, Maxper replicate
50Mass change, standard deviationMass chn std dev±Wisshak, Maxper replicate
51Mass changeMass chngWisshak, Maxper control
52Mass change, standard deviationMass chn std dev±Wisshak, Maxper control
53Carbonate system computation flagCSC flagYang, YanCalculated using seacarb after Nisumaa et al. (2010)
54pHpHYang, YanCalculated using seacarb after Nisumaa et al. (2010)total scale
55Carbon dioxideCO2µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
56Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
57Fugacity of carbon dioxide (water) at sea surface temperature (wet air)fCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
58Bicarbonate ion[HCO3]-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
59Carbonate ion[CO3]2-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
60Aragonite saturation stateOmega ArgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
61Calcite saturation stateOmega CalYang, YanCalculated using seacarb after Nisumaa et al. (2010)
Size:
2160 data points

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