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Evensen, Nicolas R; Edmunds, Peter J; Sakai, Kazuhiko (2015): Effects of pCO2 on spatial competition between the corals Montipora aequituberculata and Porites lutea [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.868434

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Abstract:
We tested the hypothesis that ocean acidification (OA) affects spatial competition among scleractinian corals. Competitive ability was evaluated indirectly by linear extension of Porites lutea and Montipora aequituberculata placed in intraspecific, interspecific, and control pairings (paired with dead coral skeleton) and exposed to ambient (400 µatm) and elevated (1000 µatm) pCO2 in experiments conducted in Moorea, French Polynesia, and Okinawa, Japan. High pCO2 had no effect on linear extension of M. aequituberculata in Moorea, but in Okinawa, it reduced linear extension 37%; high pCO2 had no significant effect on linear extension of P. lutea in Okinawa. Much of the negative effect of high pCO2 on linear extension for M. aequituberculata in Okinawa was due to reduced extension in control pairings, with corals engaged in intra- and interspecific competition unaffected by OA. Linear extension of M. aequituberculata and P. lutea in interspecific pairings decreased relative to control pairings at ambient pCO2 by 39 and 71%, respectively, indicating a strong effect of competition on extension rates. These differences however disappeared at elevated pCO2 when the linear extension of controls was depressed. Together, our results show that OA can negatively affect the linear extension of corals not engaged in competition, as shown in the control pairings, and suggest that OA does not directly affect the ability of corals to compete with one another for space.
Keyword(s):
Animalia; Benthic animals; Benthos; Cnidaria; Coast and continental shelf; Containers and aquaria (20-1000 L or < 1 m**2); Growth/Morphology; Laboratory experiment; Montipora aequituberculata; North Pacific; Other; Porites lutea; South Pacific; Species interaction; Temperate; Tropical
Related to:
Evensen, Nicolas R; Edmunds, Peter J; Sakai, Kazuhiko (2015): Effects of pCO2 on spatial competition between the corals Montipora aequituberculata and Porites lutea. Marine Ecology Progress Series, 541, 123-134, https://doi.org/10.3354/meps11512
Original version:
Edmunds, Peter J; Carpenter, Robert C; Evensen, Nicolas R: Dataset: MEPS 2015: linear extension. Biological and Chemical Oceanography Data Management Office, https://www.bco-dmo.org/dataset/640126/data
Further details:
Gattuso, Jean-Pierre; Epitalon, Jean-Marie; Lavigne, Héloïse (2015): seacarb: seawater carbonate chemistry with R. R package version 3.0.8. https://cran.r-project.org/package=seacarb
Project(s):
Ocean Acidification International Coordination Centre (OA-ICC)
Coverage:
Median Latitude: 15.931085 * Median Longitude: 147.833607 * South-bound Latitude: -17.490700 * West-bound Longitude: 127.865200 * North-bound Latitude: 26.636500 * East-bound Longitude: -149.826000
Event(s):
Moorea_coral * Latitude: -17.490700 * Longitude: -149.826000 * Method/Device: Experiment (EXP)
Okinawa * Latitude: 26.636500 * Longitude: 127.865200 * 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 2016-11-15.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEventEvensen, Nicolas R
2TypeTypeEvensen, Nicolas Rstudy
3LocationLocationEvensen, Nicolas R
4LATITUDELatitudeEvensen, Nicolas RGeocode
5LONGITUDELongitudeEvensen, Nicolas RGeocode
6SpeciesSpeciesEvensen, Nicolas Rtile
7Registration number of speciesReg spec noEvensen, Nicolas RWoRMS Aphia ID
8Uniform resource locator/link to referenceURL refEvensen, Nicolas R
9IdentificationIDEvensen, Nicolas Rtile
10IdentificationIDEvensen, Nicolas Rtank
11TreatmentTreatEvensen, Nicolas R
12TreatmentTreatEvensen, Nicolas Rarrangement
13Linear extensionLin extµmEvensen, Nicolas R
14Linear extensionLin extµm/dayEvensen, Nicolas R
15Temperature, waterTemp°CEvensen, Nicolas R
16pHpHEvensen, Nicolas RPotentiometrictotal scale
17Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmEvensen, Nicolas RCalculated using seacarb
18Partial pressure of carbon dioxide (water) at sea surface temperature (wet air), standard errorpCO2water_SST_wet std e±Evensen, Nicolas RCalculated using seacarb
19Alkalinity, totalATµmol/kgEvensen, Nicolas RPotentiometric titration
20Alkalinity, total, standard errorAT std e±Evensen, Nicolas RPotentiometric titration
21Aragonite saturation stateOmega ArgEvensen, Nicolas RCalculated using seacarb
22Aragonite saturation state, standard errorOmega Arg std e±Evensen, Nicolas RCalculated using seacarb
23SalinitySalEvensen, Nicolas R
24Carbonate system computation flagCSC flagYang, YanCalculated using seacarb after Nisumaa et al. (2010)
25Carbon dioxideCO2µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
26Fugacity of carbon dioxide (water) at sea surface temperature (wet air)fCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
27Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_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)
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
4901 data points

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