Citation:

rspb.2011.2545

Name: Seawater carbonate chemistry, calcification and survival of coral recruits in a laboratory experiment
Published: 2012
License: https://creativecommons.org/licenses/by/3.0/
Keywords: 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; Other; Seriatopora caliendrum; Single species; Tropical

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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; Other; Seriatopora caliendrum; Single species; Tropical

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):

Ocean Acidification International Coordination Centre (OA-ICC)

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):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Species	Species		Dufault, Aaron M
2	Experiment	Exp		Dufault, Aaron M
3	Incubation duration	Inc dur	days	Dufault, Aaron M
4	Identification	ID		Dufault, Aaron M		the unique coverslip the coral was settled upon
5	Polyp number	Polyp no	#	Dufault, Aaron M		at the end of the experiment on the coverslip
6	Treatment	Treat		Dufault, Aaron M
7	Replicate	Repl		Dufault, Aaron M
8	Replicate	Repl		Dufault, Aaron M		corals were placed at night
9	Calcification rate	Calc rate	mg/day	Dufault, Aaron M		per polyp
10	Growth rate	µ	mm²/day	Dufault, Aaron M
11	Number of individuals	Ind No	#	Dufault, Aaron M		alive corals
12	Temperature, water	Temp	°C	Dufault, Aaron M
13	Salinity	Sal		Dufault, Aaron M
14	Alkalinity, total	AT	µmol/kg	Dufault, Aaron M
15	pH	pH		Dufault, Aaron M		total scale
16	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)	pCO2water_SST_wet	µatm	Dufault, Aaron M
17	Aragonite saturation state	Omega Arg		Dufault, Aaron M
18	Temperature, water	Temp	°C	Dufault, Aaron M		at night
19	Salinity	Sal		Dufault, Aaron M		at night
20	Alkalinity, total	AT	µmol/kg	Dufault, Aaron M		at night
21	pH	pH		Dufault, Aaron M		at night, total scale
22	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)	pCO2water_SST_wet	µatm	Dufault, Aaron M		at night
23	Aragonite saturation state	Omega Arg		Dufault, Aaron M		at night
24	Carbonate system computation flag	CSC flag		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
25	Carbon dioxide	CO2	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
26	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)	pCO2water_SST_wet	µatm	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
27	Fugacity of carbon dioxide (water) at sea surface temperature (wet air)	fCO2water_SST_wet	µatm	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
28	Bicarbonate ion	[HCO3]-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
29	Carbonate ion	[CO3]2-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
30	Carbon, inorganic, dissolved	DIC	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
31	Aragonite saturation state	Omega Arg		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
32	Calcite saturation state	Omega Cal		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
33	Carbon dioxide	CO2	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)	at night
34	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)	pCO2water_SST_wet	µatm	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)	at night
35	Fugacity of carbon dioxide (water) at sea surface temperature (wet air)	fCO2water_SST_wet	µatm	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)	at night
36	Bicarbonate ion	[HCO3]-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)	at night
37	Carbonate ion	[CO3]2-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)	at night
38	Carbon, inorganic, dissolved	DIC	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)	at night
39	Aragonite saturation state	Omega Arg		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)	at night
40	Calcite saturation state	Omega Cal		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)	at night

License:

Creative Commons Attribution 3.0 Unported (CC-BY-3.0)

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

17148 data points

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