Citation:

PANGAEA.923833

Name: Seawater carbonate chemistry and critical thermal maximum of coral reef fishes
Published: 2017
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Acanthochromis polyacanthus; Animalia; Behaviour; Cheilodipterus quinquelineatus; Chordata; Chromis atripectoralis; Coast and continental shelf; Containers and aquaria (20-1000 L or < 1 m**2); Laboratory experiment; Nekton; Oxygen; Pelagos; Respiration; Single species; South Pacific; Temperature; Tropical

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Abstract:

Rising ocean temperatures are predicted to cause a poleward shift in the distribution of marine fishes occupying the extent of latitudes tolerable within their thermal range boundaries. A prevailing theory suggests that the upper thermal limits of fishes are constrained by hypoxia and ocean acidification. However, some eurythermal fish species do not conform to this theory, and maintain their upper thermal limits in hypoxia. Here we determine if the same is true for stenothermal species. In three coral reef fish species we tested the effect of hypoxia on upper thermal limits, measured as critical thermal maximum (CTmax). In one of these species we also quantified the effect of hypoxia on oxygen supply capacity, measured as aerobic scope (AS). In this species we also tested the effect of elevated CO2 (simulated ocean acidification) on the hypoxia sensitivity of CTmax. We found that CTmax was unaffected by progressive hypoxia down to approximately 35 mmHg, despite a substantial hypoxia-induced reduction in AS. Below approximately 35 mmHg, CTmax declined sharply with water oxygen tension (PwO2). Furthermore, the hypoxia sensitivity of CTmax was unaffected by elevated CO2. Our findings show that moderate hypoxia and ocean acidification do not constrain the upper thermal limits of these tropical, stenothermal fishes.

Keyword(s):

Acanthochromis polyacanthus; Animalia; Behaviour; Cheilodipterus quinquelineatus; Chordata; Chromis atripectoralis; Coast and continental shelf; Containers and aquaria (20-1000 L or < 1 m**2); Laboratory experiment; Nekton; Oxygen; Pelagos; Respiration; Single species; South Pacific; Temperature; Tropical

Supplement to:

Ern, Rasmus; Johansen, Jacob L; Rummer, Jodie L; Esbaugh, Andrew J (2017): Effects of hypoxia and ocean acidification on the upper thermal niche boundaries of coral reef fishes. Biology Letters, 13(7), 20170135, https://doi.org/10.1098/rsbl.2017.0135

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: -14.666670 * Longitude: 145.466670

Event(s):

Lizard_Island_OA * Latitude: -14.666670 * Longitude: 145.466670 * 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 2020-09-27.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Type	Type		Ern, Rasmus		study
2	Species	Species		Ern, Rasmus
3	Registration number of species	Reg spec no		Ern, Rasmus
4	Uniform resource locator/link to reference	URL ref		Ern, Rasmus		WoRMS Aphia ID
5	Experiment duration	Exp duration	days	Ern, Rasmus
6	Treatment	Treat		Ern, Rasmus
7	Temperature, water	Temp	°C	Ern, Rasmus
8	Temperature, water, standard error	T std e	±	Ern, Rasmus
9	Oxygen, partial pressure	pO2	mm Hg	Ern, Rasmus
10	Oxygen, partial pressure, standard error	PO2 std e	±	Ern, Rasmus
11	Treatment	Treat		Ern, Rasmus
12	Metabolic rate, maximum	MMR	mg/kg/h	Ern, Rasmus
13	Metabolic rate, maximum, standard error	MMR std e	±	Ern, Rasmus
14	Mass	Mass	g	Ern, Rasmus
15	Mass, standard error	Mass std e	±	Ern, Rasmus
16	Metabolic rate, standard	SMR	mg/kg/h	Ern, Rasmus
17	Metabolic rate, standard, standard error	SMR std e	±	Ern, Rasmus
18	Aerobic scope of oxygen	Aerobic scope	mg/kg/h	Ern, Rasmus
19	Aerobic scope of oxygen, standard error	AS std e	±	Ern, Rasmus
20	Oxygen, partial pressure, critical	Pcrit	mm Hg	Ern, Rasmus
21	Oxygen, partial pressure, critical, standard error	Pcrit std e	±	Ern, Rasmus
22	Critical thermal maximum	Ctmax	°C	Ern, Rasmus
23	Critical thermal maximum, standard error	Ctmax std e	±	Ern, Rasmus
24	Oxygen, partial pressure	pO2	mm Hg	Ern, Rasmus		CTmax
25	Oxygen, partial pressure, standard error	PO2 std e	±	Ern, Rasmus		CTmax
26	Identification	ID		Ern, Rasmus		Fish
27	Duration	Duration	s	Ern, Rasmus		chase
28	pH	pH		Ern, Rasmus	Potentiometric	NBS scale
29	pH, standard error	pH std e	±	Ern, Rasmus	Potentiometric	NBS scale
30	Alkalinity, total	AT	µmol/kg	Ern, Rasmus	Potentiometric titration
31	Alkalinity, total, standard error	AT std e	±	Ern, Rasmus	Potentiometric titration
32	Salinity	Sal		Ern, Rasmus
33	Salinity, standard error	Sal std e	±	Ern, Rasmus
34	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)	pCO2water_SST_wet	µatm	Ern, Rasmus	Calculated using CO2SYS
35	Carbonate system computation flag	CSC flag		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
36	pH	pH		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)	total scale
37	Carbon dioxide	CO2	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
38	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)
39	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)
40	Bicarbonate ion	[HCO3]-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
41	Carbonate ion	[CO3]2-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
42	Carbon, inorganic, dissolved	DIC	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
43	Aragonite saturation state	Omega Arg		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
44	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:

4237 data points

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