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Murray, Christopher S; Malvezzi, Alex; Gobler, Christopher J; Baumann, Hannes (2014): Offspring sensitivity to ocean acidification changes seasonally in a coastal marine fish. doi:10.1594/PANGAEA.838990, Supplement to: Murray, CS et al. (2014): Offspring sensitivity to ocean acidification changes seasonally in a coastal marine fish. Marine Ecology Progress Series, 504, 1-11, doi:10.3354/meps10791

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Abstract:
Experimental assessments of species vulnerabilities to ocean acidification are rapidly increasing in number, yet the potential for short- and long-term adaptation to high CO2 by contemporary marine organisms remains poorly understood. We used a novel experimental approach that combined bi-weekly sampling of a wild, spawning fish population (Atlantic silverside Menidia menidia) with standardized offspring CO2 exposure experiments and parallel pH monitoring of a coastal ecosystem. We assessed whether offspring produced at different times of the spawning season (April to July) would be similarly susceptible to elevated (1100 µatm, pHNIST = 7.77) and high CO2 levels (2300 µatm, pHNIST = 7.47). Early in the season (April), high CO2 levels significantly (p < 0.05) reduced fish survival by 54% (2012) and 33% (2013) and reduced 1 to 10 d post-hatch growth by 17% relative to ambient conditions. However, offspring from parents collected later in the season became increasingly CO2-tolerant until, by mid-May, offspring survival was equally high at all CO2 levels. This interannually consistent plasticity coincided with the rapid annual pH decline in the species' spawning habitat (mean pH: 1 April/31 May = 8.05/7.67). It suggests that parents can condition their offspring to seasonally acidifying environments, either via changes in maternal provisioning and/or epigenetic transgenerational plasticity (TGP). TGP to increasing CO2 has been shown in the laboratory but never before in a wild population. Our novel findings of direct CO2-related survival reductions in wild fish offspring and seasonally plastic responses imply that realistic assessments of species CO2-sensitivities must control for parental environments that are seasonally variable in coastal habitats.
Further details:
Lavigne, Héloise; Epitalon, Jean-Marie; Gattuso, Jean-Pierre (2014): seacarb: seawater carbonate chemistry with R. R package version 3.0. https://cran.r-project.org/package=seacarb
Comment:
In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Lavigne et al, 2014) 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 2014-11-18.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1SpeciesSpeciesBaumann, Hannes
2ExperimentExpBaumann, Hannes
3DateDateBaumann, Hannesfertilization
4TreatmentTreatBaumann, Hannes
5ReplicatesRepl#Baumann, Hannes
6SurvivalSurvival%Baumann, Hannesfertilization date to 1 d post hatch (dph)
7Survival rate, standard errorSurvival rate std e±Baumann, Hannesfertilization date to 1 d post hatch (dph)
8SurvivalSurvival%Baumann, Hannes1 to 10 dph
9Survival rate, standard errorSurvival rate std e±Baumann, Hannes1 to 10 dph
10SurvivalSurvival%Baumann, Hannesfertilization date to 10 dph
11Survival rate, standard errorSurvival rate std e±Baumann, Hannesfertilization date to 10 dph
12Length, standardI stdmmBaumann, Hannes1 dph
13Length, standard errorl std e±Baumann, Hannes1 dph
14Length, standardI stdmmBaumann, Hannes10 dph
15Length, standard errorl std e±Baumann, Hannes10 dph
16Growth rateµmm/dayBaumann, Hannes1 to 10 dph
17Growth rate, standard errorµ std e±Baumann, Hannes1 to 10 dph
18Temperature, waterTemp°CBaumann, Hannes
19SalinitySalBaumann, Hannes
20pHpHBaumann, HannesPotentiometricNBS scale
21pH, standard deviationpH std dev±Baumann, HannesPotentiometricNBS scale
22Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmBaumann, HannesCalculated using CO2SYS
23Carbon, inorganic, dissolvedDICµmol/kgBaumann, HannesCoulometric titration
24Alkalinity, totalATµmol/kgBaumann, HannesCalculated using CO2SYS
25Carbonate system computation flagCSC flagYang, YanCalculated using seacarb after Nisumaa et al. (2010)
26pHpHYang, YanCalculated using seacarb after Nisumaa et al. (2010)total scale
27Carbon dioxideCO2µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
28Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
29Fugacity of carbon dioxide (water) at sea surface temperature (wet air)fCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
30Bicarbonate ion[HCO3]-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
31Carbonate ion[CO3]2-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
32Alkalinity, totalATµmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
33Aragonite saturation stateOmega ArgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
34Calcite saturation stateOmega CalYang, YanCalculated using seacarb after Nisumaa et al. (2010)
Size:
952 data points

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