Citation:

17451000.2018.1551616

Name: Seawater carbonate chemistry and net calcification, gross photosynthesis, and dark respiration of Montipora capitata, Pocillopora damicornis and Leptastrea purpurea
Published: 2018
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Animalia; Benthic animals; Benthos; Bottles or small containers/Aquaria (<20 L); Calcification/Dissolution; Cnidaria; Coast and continental shelf; Laboratory experiment; Leptastrea purpurea; Montipora capitata; North Pacific; Pocillopora damicornis; Primary production/Photosynthesis; Respiration; Single species; Species interaction; Temperature; Tropical

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Abstract:

Ocean warming and acidification can have negative implications on coral reefs. This mechanistic study aims to evaluate the proximal causes of the observed negative response of Hawaiian corals to climate change scenarios. Net calcification (Gnet), gross photosynthesis, and dark respiration were measured in three species of Hawaiian corals across a range of temperature and acidification regimes using endpoint incubations. Calcification rates showed a curvilinear response with temperature, with the highest calcification rates observed at 26°C. Coral response to ocean acidification (OA) was species dependent and highly variable. OA enhanced calcification rates by 45% in the perforate coral, Montipora capitata, but had no short-term effect on the calcification or photosynthetic rates of imperforate corals, Pocillopora damicornis or Leptastrea purpurea. Further investigations revealed M. capitata to effectively dissipate protons (H+) while increasing uptake of bicarbonate (HCO-3), therefore maintaining high rates of Gnet under acute OA stress. This study demonstrates the first experimental evidence of the ability of a coral species to take advantage of increased dissolved inorganic carbon and overcome an increasing proton gradient in the boundary layer under OA conditions. These observed differences in coral metabolism may underlie the species-specific responses to climate change.

Keyword(s):

Animalia; Benthic animals; Benthos; Bottles or small containers/Aquaria (<20 L); Calcification/Dissolution; Cnidaria; Coast and continental shelf; Laboratory experiment; Leptastrea purpurea; Montipora capitata; North Pacific; Pocillopora damicornis; Primary production/Photosynthesis; Respiration; Single species; Species interaction; Temperature; Tropical

Further details:

Gattuso, Jean-Pierre; Epitalon, Jean-Marie; Lavigne, Héloïse; Orr, James C; Gentili, Bernard; Hagens, Mathilde; Hofmann, Andreas; Mueller, Jens-Daniel; Proye, Aurélien; Rae, James; Soetaert, Karline (2019): seacarb: seawater carbonate chemistry with R. R package version 3.2.12. https://CRAN.R-project.org/package=seacarb

Project(s):

Ocean Acidification International Coordination Centre (OA-ICC)

Coverage:

Latitude: 21.435000 * Longitude: -157.786670

Date/Time Start: 2011-10-01T00:00:00 * Date/Time End: 2011-10-31T00:00:00

Event(s):

Kaneohe_Bay * Latitude: 21.435000 * Longitude: -157.786670 * Date/Time Start: 2011-10-01T00:00:00 * Date/Time End: 2011-10-31T00:00:00 * Method/Device: Experiment (EXP)

Comment:

In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Gattuso et al, 2019) 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 2019-11-20.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Type	Type		Bahr, Keisha D		study
2	Species	Species		Bahr, Keisha D
3	Registration number of species	Reg spec no		Bahr, Keisha D
4	Uniform resource locator/link to reference	URL ref		Bahr, Keisha D		WoRMS Aphia ID
5	Treatment	Treat		Bahr, Keisha D
6	Temperature, water	Temp	°C	Bahr, Keisha D
7	Calcification rate of calcium carbonate	Calc rate CaCO3	mg/g/h	Bahr, Keisha D		Net
8	Calcification rate, standard error	Calc rate std e	±	Bahr, Keisha D		Net
9	Net photosynthesis rate, oxygen	PN O2	µg/mg/h	Bahr, Keisha D
10	Net photosynthesis rate, oxygen, standard error	PN O2 std e	±	Bahr, Keisha D
11	Respiration rate, oxygen	Resp O2	mg/g/h	Bahr, Keisha D
12	Respiration rate, oxygen, standard error	Resp O2 std e	±	Bahr, Keisha D
13	Light mode	L mode		Bahr, Keisha D		Cycle
14	Category	Cat		Bahr, Keisha D		Control oral
15	Identification	ID		Bahr, Keisha D		Individual
16	Temperature, water	Temp	°C	Bahr, Keisha D
17	Temperature, water, standard error	T std e	±	Bahr, Keisha D
18	Oxygen, dissolved	DO	mg/l	Bahr, Keisha D
19	Oxygen, dissolved, standard error	DO std e	±	Bahr, Keisha D
20	pH	pH		Bahr, Keisha D	Potentiometric	NBS scale
21	pH, standard error	pH std e	±	Bahr, Keisha D	Potentiometric	NBS scale
22	Alkalinity, total	AT	µmol/kg	Bahr, Keisha D	Potentiometric titration
23	Alkalinity, total, standard error	AT std e	±	Bahr, Keisha D	Potentiometric titration
24	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)	pCO2water_SST_wet	µatm	Bahr, Keisha D	Calculated using CO2SYS
25	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air), standard error	pCO2water_SST_wet std e	±	Bahr, Keisha D	Calculated using CO2SYS
26	Carbon, inorganic, dissolved	DIC	µmol/kg	Bahr, Keisha D	Calculated using CO2SYS
27	Proton, flux	[H]+ flux	arbitrary units	Bahr, Keisha D
28	Carbon, inorganic, dissolved, flux	DIC flux	arbitrary units	Bahr, Keisha D
29	Salinity	Sal		Bahr, Keisha D
30	Carbonate system computation flag	CSC flag		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
31	pH	pH		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)	total scale
32	Carbon dioxide	CO2	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
33	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)
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)
35	Bicarbonate ion	[HCO3]-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
36	Carbonate ion	[CO3]2-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
37	Carbon, inorganic, dissolved	DIC	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
38	Aragonite saturation state	Omega Arg		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
39	Calcite saturation state	Omega Cal		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

11928 data points

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