Citation:

rspb.2017.0784

Name: Seawater carbonate chemistry and predator–prey interactions of coral reef fish
Published: 2017
License: https://creativecommons.org/licenses/by/3.0/
Keywords: Animalia; Behaviour; Chordata; Coast and continental shelf; Containers and aquaria (20-1000 L or < 1 m**2); Laboratory experiment; Nekton; Pelagos; Pomacentrus wardi; Pseudochromis fuscus; South Pacific; South Pacific; Species interaction; Temperature; Tropical

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Abstract:

Ocean acidification and warming, driven by anthropogenic CO2 emissions, are considered to be among the greatest threats facing marine organisms. While each stressor in isolation has been studied extensively, there has been less focus on their combined effects, which could impact key ecological processes. We tested the independent and combined effects of short-term exposure to elevated CO2 and temperature on the predator–prey interactions of a common pair of coral reef fishes (Pomacentrus wardi and its predator, Pseudochromis fuscus). We found that predator success increased following independent exposure to high temperature and elevated CO2. Overall, high temperature had an overwhelming effect on the escape behaviour of the prey compared with the combined exposure to elevated CO2 and high temperature or the independent effect of elevated CO2. Exposure to high temperatures led to an increase in attack and predation rates. By contrast, we observed little influence of elevated CO2 on the behaviour of the predator, suggesting that the attack behaviour of P. fuscus was robust to this environmental change. This is the first study to address how the kinematics and swimming performance at the basis of predator–prey interactions may change in response to concurrent exposure to elevated CO2 and high temperatures and represents an important step to forecasting the responses of interacting species to climate change.

Keyword(s):

Animalia; Behaviour; Chordata; Coast and continental shelf; Containers and aquaria (20-1000 L or < 1 m**2); Laboratory experiment; Nekton; Pelagos; Pomacentrus wardi; Pseudochromis fuscus; South Pacific; South Pacific; Species interaction; Temperature; Tropical

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)

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 by seacarb is 2018-07-12.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Type	Type		Allan, Bridie J M		study
2	Species	Species		Allan, Bridie J M
3	Registration number of species	Reg spec no		Allan, Bridie J M
4	Uniform resource locator/link to reference	URL ref		Allan, Bridie J M		WoRMS Aphia ID
5	Experiment duration	Exp duration	days	Allan, Bridie J M
6	Treatment	Treat		Allan, Bridie J M
7	Treatment	Treat		Allan, Bridie J M
8	Predator attack distance	Pred attack dis	m	Allan, Bridie J M
9	Predator attack speed	Pred attack sp	m/s	Allan, Bridie J M
10	Predator attack speed	Pred attack sp	m/s	Allan, Bridie J M		max
11	Capture success	Capture success	%	Allan, Bridie J M
12	Prey reaction distance	RD	m	Allan, Bridie J M
13	Apparent looming threshold	ALT	rad/s	Allan, Bridie J M
14	Prey escape distance	Prey escape dis	m	Allan, Bridie J M
15	Prey escape speed	Prey escape sp	m/s	Allan, Bridie J M
16	Prey escape speed	Prey escape sp	m/s	Allan, Bridie J M		max
17	Temperature, water	Temp	°C	Allan, Bridie J M
18	Temperature, water, standard error	T std e	±	Allan, Bridie J M
19	Salinity	Sal		Allan, Bridie J M
20	pH	pH		Allan, Bridie J M		NBS scale
21	pH, standard error	pH std e	±	Allan, Bridie J M		NBS scale
22	Alkalinity, total	AT	µmol/kg	Allan, Bridie J M
23	Alkalinity, total, standard error	AT std e	±	Allan, Bridie J M
24	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)	pCO2water_SST_wet	µatm	Allan, Bridie J M
25	Partial pressure of carbon dioxide (water) at sea surface temperature (wet air), standard error	pCO2water_SST_wet std e	±	Allan, Bridie J M
26	Carbonate system computation flag	CSC flag		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
27	pH	pH		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)	total scale
28	Carbon dioxide	CO2	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
29	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)
30	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)
31	Bicarbonate ion	[HCO3]-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
32	Carbonate ion	[CO3]2-	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
33	Carbon, inorganic, dissolved	DIC	µmol/kg	Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
34	Aragonite saturation state	Omega Arg		Yang, Yan	Calculated using seacarb after Nisumaa et al. (2010)
35	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:

4276 data points

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