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Dufault, Aaron M; Cumbo, Vivian R; Fan, Tung-Yung; Edmunds, Peter J (2012): Seawater carbonate chemistry, calcification and survival of coral recruits in a laboratory experiment. PANGAEA, https://doi.org/10.1594/PANGAEA.830185, Supplement to: Dufault, AM et al. (2012): Effects of diurnally oscillating pCO2 on the calcification and survival of coral recruits. Proceedings of the Royal Society B-Biological Sciences, 279(1740), 2951-2958, https://doi.org/10.1098/rspb.2011.2545

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Abstract:
Manipulative studies have demonstrated that ocean acidification (OA) is a threat to coral reefs, yet no experiments have employed diurnal variations in pCO2 that are ecologically relevant to many shallow reefs. Two experiments were conducted to test the response of coral recruits (less than 6 days old) to diurnally oscillating pCO2; one exposing recruits for 3 days to ambient (440 µatm), high (663 µatm) and diurnally oscillating pCO2 on a natural phase (420-596 µatm), and another exposing recruits for 6 days to ambient (456 µatm), high (837 µatm) and diurnally oscillating pCO2 on either a natural or a reverse phase (448-845 µatm). In experiment I, recruits exposed to natural-phased diurnally oscillating pCO2 grew 6-19% larger than those in ambient or high pCO2. In experiment II, recruits in both high and natural-phased diurnally oscillating pCO2 grew 16 per cent larger than those at ambient pCO2, and this was accompanied by 13-18% higher survivorship; the stimulatory effect on growth of oscillatory pCO2 was diminished by administering high pCO2 during the day (i.e. reverse-phased). These results demonstrate that coral recruits can benefit from ecologically relevant fluctuations in pCO2 and we hypothesize that the mechanism underlying this response is highly pCO2-mediated, night-time storage of dissolved inorganic carbon that fuels daytime calcification.
Keyword(s):
Animalia; Benthic animals; Benthos; Bottles or small containers/Aquaria (<20 L); Calcification/Dissolution; Cnidaria; Coast and continental shelf; Growth/Morphology; Laboratory experiment; Mortality/Survival; North Pacific; Seriatopora caliendrum; Single species; Tropical
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: 21.938170 * Longitude: 120.746020
Date/Time Start: 2011-03-02T00:00:00 * Date/Time End: 2011-03-20T00:00:00
Minimum Elevation: -10.0 m * Maximum Elevation: -5.0 m
Event(s):
Nanwan_Bay * Latitude: 21.938170 * Longitude: 120.746020 * Date/Time Start: 2011-03-02T00:00:00 * Date/Time End: 2011-03-20T00:00:00 * Elevation Start: -5.0 m * Elevation End: -10.0 m * Method/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 2014-02-27.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1SpeciesSpeciesDufault, Aaron M
2ExperimentExpDufault, Aaron M
3Incubation durationInc durdaysDufault, Aaron M
4IdentificationIDDufault, Aaron Mthe unique coverslip the coral was settled upon
5Polyp numberPolyp no#Dufault, Aaron Mat the end of the experiment on the coverslip
6TreatmentTreatDufault, Aaron M
7ReplicateReplicateDufault, Aaron M
8ReplicateReplicateDufault, Aaron Mcorals were placed at night
9Calcification rateCalc ratemg/dayDufault, Aaron Mper polyp
10Growth rateµmm2/dayDufault, Aaron M
11Number of individualsInd No#Dufault, Aaron Malive corals
12Temperature, waterTemp°CDufault, Aaron M
13SalinitySalDufault, Aaron M
14Alkalinity, totalATµmol/kgDufault, Aaron M
15pHpHDufault, Aaron Mtotal scale
16Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmDufault, Aaron M
17Aragonite saturation stateOmega ArgDufault, Aaron M
18Temperature, waterTemp°CDufault, Aaron Mat night
19SalinitySalDufault, Aaron Mat night
20Alkalinity, totalATµmol/kgDufault, Aaron Mat night
21pHpHDufault, Aaron Mat night, total scale
22Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmDufault, Aaron Mat night
23Aragonite saturation stateOmega ArgDufault, Aaron Mat night
24Carbonate system computation flagCSC flagYang, YanCalculated using seacarb after Nisumaa et al. (2010)
25Carbon dioxideCO2µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
26Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
27Fugacity of carbon dioxide (water) at sea surface temperature (wet air)fCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
28Bicarbonate ion[HCO3]-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
29Carbonate ion[CO3]2-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
30Carbon, inorganic, dissolvedDICµmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
31Aragonite saturation stateOmega ArgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
32Calcite saturation stateOmega CalYang, YanCalculated using seacarb after Nisumaa et al. (2010)
33Carbon dioxideCO2µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)at night
34Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)at night
35Fugacity of carbon dioxide (water) at sea surface temperature (wet air)fCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)at night
36Bicarbonate ion[HCO3]-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)at night
37Carbonate ion[CO3]2-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)at night
38Carbon, inorganic, dissolvedDICµmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)at night
39Aragonite saturation stateOmega ArgYang, YanCalculated using seacarb after Nisumaa et al. (2010)at night
40Calcite saturation stateOmega CalYang, YanCalculated using seacarb after Nisumaa et al. (2010)at night
Size:
17148 data points

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