Citation:

s00338-016-1459-3

Name: Combined ocean acidification and low temperature stressors cause coral mortality
Published: 2016-11-29
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; Laboratory experiment; Montipora digitata; Mortality/Survival; North Pacific; Primary production/Photosynthesis; Single species; Temperate; Temperature

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Abstract:

Oceans are predicted to become more acidic and experience more temperature variability-both hot and cold-as climate changes. Ocean acidification negatively impacts reef-building corals, especially when interacting with other stressors such as elevated temperature. However, the effects of combined acidification and low temperature stress have yet to be assessed. Here, we exposed nubbins of the scleractinian coral Montipora digitata to ecologically relevant acidic, cold, or combined stress for 2 weeks. Coral nubbins exhibited 100% survival in isolated acidic and cold treatments, but 30% mortality under combined conditions. These results provide further evidence that coupled stressors have an interactive effect on coral physiology, and reveal that corals in colder environments are also susceptible to the deleterious impacts of coupled ocean acidification and thermal stress.

Keyword(s):

Animalia; Benthic animals; Benthos; Bottles or small containers/Aquaria (<20 L); Calcification/Dissolution; Cnidaria; Coast and continental shelf; Laboratory experiment; Montipora digitata; Mortality/Survival; North Pacific; Primary production/Photosynthesis; Single species; Temperate; Temperature

Further details:

Gattuso, Jean-Pierre; Epitalon, Jean-Marie; Lavigne, Héloïse; Orr, James C; Gentili, Bernard; Proye, Aurélien; Soetaert, Karline; Rae, James (2016): seacarb: seawater carbonate chemistry with R. R package version 3.1. https://cran.r-project.org/package=seacarb

Project(s):

Ocean Acidification International Coordination Centre (OA-ICC)

Coverage:

Latitude: 26.709440 * Longitude: 127.879440

Date/Time Start: 2015-01-01T00:00:00 * Date/Time End: 2015-01-31T00:00:00

Event(s):

Bise_Okinawa * Latitude: 26.709440 * Longitude: 127.879440 * Date/Time Start: 2015-01-01T00:00:00 * Date/Time End: 2015-01-31T00:00:00 * Method/Device: Experiment (EXP)

Comment:

In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Gattuso et al, 2016) 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 2016-11-29.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Type	Type		Kavousi, Javid		study
2	Species	Species		Kavousi, Javid
3	Registration number of species	Reg spec no		Kavousi, Javid
4	Uniform resource locator/link to reference	URL ref		Kavousi, Javid		WoRMS Aphia ID
5	Treatment	Treat		Kavousi, Javid
6	Colony number/ID	Colony no/ID		Kavousi, Javid
7	Ratio	Ratio		Kavousi, Javid		final/initial measurements of photosynthetic efficiency (Fv/Fm)
8	Calcification rate	Calc rate	%	Kavousi, Javid		changes in calcification rate over 14 days
9	Protein per surface area	Protein	mg/cm²	Kavousi, Javid		in day 14
10	Mortality	Mortality	%	Kavousi, Javid
11	Salinity	Sal		Kavousi, Javid
12	Alkalinity, total	AT	µmol/kg	Kavousi, Javid
13	Alkalinity, total, standard deviation	AT std dev	±	Kavousi, Javid
14	Temperature, water	Temp	°C	Kavousi, Javid
15	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)	pCO2water_SST_wet	µatm	Kavousi, Javid
16	Carbon dioxide, partial pressure, standard deviation	pCO2 std dev	±	Kavousi, Javid
17	Carbonate system computation flag	CSC flag		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
18	pH	pH		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)	total scale
19	Carbon dioxide	CO2	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
20	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)
21	Bicarbonate ion	[HCO3]-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
22	Carbonate ion	[CO3]2-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
23	Carbon, inorganic, dissolved	DIC	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
24	Aragonite saturation state	Omega Arg		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
25	Calcite saturation state	Omega Cal		Yang, Yan	Calculated 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:

3000 data points

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