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Data Publisher for Earth & Environmental Science

Carey, Nicholas; Sigwart, Julia D (2014): Size matters: plasticity in metabolic scaling shows body-size may modulate responses to climate change. PANGAEA, https://doi.org/10.1594/PANGAEA.838004, Supplement to: Carey, N; Sigwart, JD (2014): Size matters: plasticity in metabolic scaling shows body-size may modulate responses to climate change. Biology Letters, 10(8), 20140408-20140408, https://doi.org/10.1098/rsbl.2014.0408

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Abstract:
Variability in metabolic scaling in animals, the relationship between metabolic rate ( R) and body mass ( M), has been a source of debate and controversy for decades. R is proportional to Mb, the precise value of b much debated, but historically considered equal in all organisms. Recent metabolic theory, however, predicts b to vary among species with ecology and metabolic level, and may also vary within species under different abiotic conditions. Under climate change, most species will experience increased temperatures, and marine organisms will experience the additional stressor of decreased seawater pH ('ocean acidification'). Responses to these environmental changes are modulated by myriad species-specific factors. Body-size is a fundamental biological parameter, but its modulating role is relatively unexplored. Here, we show that changes to metabolic scaling reveal asymmetric responses to stressors across body-size ranges; b is systematically decreased under increasing temperature in three grazing molluscs, indicating smaller individuals were more responsive to warming. Larger individuals were, however, more responsive to reduced seawater pH in low temperatures. These alterations to the allometry of metabolism highlight abiotic control of metabolic scaling, and indicate that responses to climate warming and ocean acidification may be modulated by body-size.
Keyword(s):
Animalia; Benthic animals; Benthos; Bottles or small containers/Aquaria (<20 L); Coast and continental shelf; Katharina tunicata; Laboratory experiment; Mollusca; Mopalia muscosa; North Pacific; Respiration; Single species; Temperate; Temperature; Tonicella lineata
Further details:
Lavigne, Héloïse; 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 2014-11-07.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Sample IDSample IDCarey, Nicholas
2SpeciesSpeciesCarey, Nicholas
3TreatmentTreatCarey, Nicholas
4Ash free dry massafdmgCarey, Nicholas
5Respiration rate, oxygenResp O2mg/hCarey, Nicholas
6Respiration rate, oxygenResp O2µg/mg/hCarey, Nicholas
7Temperature, waterTemp°CCarey, Nicholas
8Temperature, water, standard deviationTemp std dev±Carey, Nicholas
9pHpHCarey, NicholasCalculated using CO2calctotal scale
10pH, standard deviationpH std dev±Carey, NicholasCalculated using CO2calctotal scale
11SalinitySalCarey, Nicholas
12Salinity, standard deviationSal std dev±Carey, Nicholas
13Alkalinity, totalATµmol/kgCarey, NicholasPotentiometric titration
14Alkalinity, total, standard deviationAT std dev±Carey, NicholasPotentiometric titration
15Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmCarey, NicholasCalculated using CO2calc
16Partial pressure of carbon dioxide, standard deviationpCO2 std dev±Carey, NicholasCalculated using CO2calc
17Carbon, inorganic, dissolvedDICµmol/kgCarey, NicholasCoulometric titration
18Carbon, inorganic, dissolved, standard deviationDIC std dev±Carey, NicholasCoulometric titration
19Calcite saturation stateOmega CalCarey, NicholasCalculated using CO2calc
20Calcite saturation state, standard deviationOmega Cal std dev±Carey, NicholasCalculated using CO2calc
21Aragonite saturation stateOmega ArgCarey, NicholasCalculated using CO2calc
22Aragonite saturation state, standard deviationOmega Arg std dev±Carey, NicholasCalculated using CO2calc
23Carbonate system computation flagCSC flagYang, YanCalculated using seacarb after Nisumaa et al. (2010)
24pHpHYang, YanCalculated using seacarb after Nisumaa et al. (2010)total scale
25Carbon dioxideCO2µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
26Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
27Fugacity of carbon dioxide (water) at sea surface temperature (wet air)fCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
28Bicarbonate ion[HCO3]-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
29Carbonate ion[CO3]2-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
30Aragonite saturation stateOmega ArgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
31Calcite saturation stateOmega CalYang, YanCalculated using seacarb after Nisumaa et al. (2010)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
16523 data points

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