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Cripps, Ingrid L; Munday, Philip L; McCormick, Mark I (2011): Seawater carbonate chemistry and brown dottyback (Pseudochromis fuscus) movement and feeding behaviour during experiments, 2011 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.779705, Supplement to: Cripps, IL et al. (2011): Ocean acidification affects prey detection by a predatory reef fish. PLoS ONE, 6(7), e22736, https://doi.org/10.1371/journal.pone.0022736

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Abstract:
Changes in olfactory-mediated behaviour caused by elevated CO2 levels in the ocean could affect recruitment to reef fish populations because larval fish become more vulnerable to predation. However, it is currently unclear how elevated CO2 will impact the other key part of the predator-prey interaction - the predators. We investigated the effects of elevated CO2 and reduced pH on olfactory preferences, activity levels and feeding behaviour of a common coral reef meso-predator, the brown dottyback (Pseudochromis fuscus). Predators were exposed to either current-day CO2 levels or one of two elevated CO2 levels (~600 µatm or ~950 µatm) that may occur by 2100 according to climate change predictions. Exposure to elevated CO2 and reduced pH caused a shift from preference to avoidance of the smell of injured prey, with CO2treated predators spending approximately 20% less time in a water stream containing prey odour compared with controls. Furthermore, activity levels of fish was higher in the high CO2 treatment and feeding activity was lower for fish in the mid CO2treatment; indicating that future conditions may potentially reduce the ability of the fish to respond rapidly to fluctuations in food availability. Elevated activity levels of predators in the high CO2 treatment, however, may compensate for reduced olfactory ability, as greater movement facilitated visual detection of food. Our findings show that, at least for the species tested to date, both parties in the predator-prey relationship may be affected by ocean acidification. Although impairment of olfactory-mediated behaviour of predators might reduce the risk of predation for larval fishes, the magnitude of the observed effects of elevated CO2 acidification appear to be more dramatic for prey compared to predators. Thus, it is unlikely that the altered behaviour of predators is sufficient to fully compensate for the effects of ocean acidification on prey mortality.
Keyword(s):
Animalia; Behaviour; Chordata; Containers and aquaria (20-1000 L or < 1 m**2); Laboratory experiment; Nekton; Pelagos; Pseudochromis fuscus; Single species; South Pacific; Tropical
Funding:
Seventh Framework Programme (FP7), grant/award no. 211384: European Project on Ocean Acidification
Sixth Framework Programme (FP6), grant/award no. 511106: European network of excellence for Ocean Ecosystems Analysis
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).
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
IdentificationIDCripps, Ingrid L
Experimental treatmentExp treatCripps, Ingrid L
pHpHCripps, Ingrid LpH meter (Hach meter HQ40D)
pH, standard errorpH std e±Cripps, Ingrid L
SalinitySalCripps, Ingrid L
Temperature, waterTemp°CCripps, Ingrid LpH meter (Hach meter HQ40D)
Temperature, standard deviationT std dev±Cripps, Ingrid L
Alkalinity, totalATµmol/kgCripps, Ingrid LAlkalinity, Gran titration (Gran, 1950)
Alkalinity, total, standard errorAT std e±Cripps, Ingrid L
10 Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmCripps, Ingrid LCalculated using CO2SYS
11 Partial pressure of carbon dioxide (water) at sea surface temperature (wet air), standard errorpCO2water_SST_wet std e±Cripps, Ingrid L
12 Proportion of timeProportion of timeCripps, Ingrid L
13 Proportion of time, standard errorProportion of time std e±Cripps, Ingrid L
14 Pseudochromis fuscus, movement behaviourP. fuscus movement#Cripps, Ingrid LLine crosses
15 Pseudochromis fuscus, movement behaviour, standard errorP. fuscus movement std e±Cripps, Ingrid LLine crosses
16 Distance from shelterDist sheltercmCripps, Ingrid L
17 Distance from shelter, standard errorDist shelter std e±Cripps, Ingrid L
18 Pseudochromis fuscus, feeding response timeP. fuscus feedingsCripps, Ingrid L
19 Pseudochromis fuscus, feeding response time, standard errorP. fuscus feeding std e±Cripps, Ingrid L
20 Pseudochromis fuscus, feeding strikesP. fuscus feeding strike#Cripps, Ingrid L
21 Pseudochromis fuscus, feeding strikes, standard errorP. fuscus feeding strike std e±Cripps, Ingrid L
22 Carbonate system computation flagCSC flagNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
23 pHpHNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)Total scale
24 Carbon dioxideCO2µmol/kgNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
25 Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
26 Fugacity of carbon dioxide (water) at sea surface temperature (wet air)fCO2water_SST_wetµatmNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
27 Bicarbonate ion[HCO3]-µmol/kgNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
28 Carbonate ion[CO3]2-µmol/kgNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
29 Carbon, inorganic, dissolvedDICµmol/kgNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
30 Aragonite saturation stateOmega ArgNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
31 Calcite saturation stateOmega CalNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
156 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


ID

Exp treat

pH
(pH meter (Hach meter HQ40D))

pH std e [±]

Sal

Temp [°C]
(pH meter (Hach meter HQ40D))

T std dev [±]

AT [µmol/kg]
(Alkalinity, Gran titration (G...)

AT std e [±]
10 
pCO2water_SST_wet [µatm]
(Calculated using CO2SYS)
11 
pCO2water_SST_wet std e [±]
12 
Proportion of time
13 
Proportion of time std e [±]
14 
P. fuscus movement [#]
(Line crosses)
15 
P. fuscus movement std e [±]
(Line crosses)
16 
Dist shelter [cm]
17 
Dist shelter std e [±]
18 
P. fuscus feeding [s]
19 
P. fuscus feeding std e [±]
20 
P. fuscus feeding strike [#]
21 
P. fuscus feeding strike std e [±]
22 
CSC flag
(Calculated using seacarb afte...)
23 
pH
(Total scale, Calculated using...)
24 
CO2 [µmol/kg]
(Calculated using seacarb afte...)
25 
pCO2water_SST_wet [µatm]
(Calculated using seacarb afte...)
26 
fCO2water_SST_wet [µatm]
(Calculated using seacarb afte...)
27 
[HCO3]- [µmol/kg]
(Calculated using seacarb afte...)
28 
[CO3]2- [µmol/kg]
(Calculated using seacarb afte...)
29 
DIC [µmol/kg]
(Calculated using seacarb afte...)
30 
Omega Arg
(Calculated using seacarb afte...)
31 
Omega Cal
(Calculated using seacarb afte...)
OlfactionControl8.160.0134.827.50.012264.652.58450.630.640.5860.033268.0211.24421.91420.621739.59213.371964.203.435.17
OlfactionMid8.030.0134.827.40.102264.652.58630.090.780.3980.039267.8916.16605.32603.471852.15167.882036.202.704.06
OlfactionHigh7.880.0134.827.50.102264.652.58948.940.740.4080.040267.7424.07903.62900.861955.71125.922105.702.023.05
ActivityControl8.140.0134.828.00.032264.652.58444.020.44139.0016.54226.0041.3949.1014.7021.103.96268.0011.78447.57446.211752.15208.361972.303.365.05
ActivityMid8.050.0134.828.20.052264.652.58607.341.28143.5043.97290.00112.29172.4338.527.632.58267.9115.08575.74574.001827.94177.772020.802.874.31
ActivityHigh7.870.0134.827.50.102264.652.58925.490.69269.1455.76378.8672.42115.0038.8219.635.34267.7324.72927.74924.901961.87123.422110.001.982.99