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Schiffer, Melanie; Harms, Lars; Pörtner, Hans-Otto; Lucassen, Magnus; Mark, Felix Christopher; Storch, Daniela (2013): Effects of ocean acidification on respiration, growth and C:N ratio of arctic Hyas araneus larvae. doi:10.1594/PANGAEA.833060,
Supplement to: Schiffer, M et al. (2012): Tolerance of Hyas araneus zoea I larvae to elevated seawater PCO2 despite elevated metabolic costs. Marine Biology, 160(8), 1943-1953, doi:10.1007/s00227-012-2036-0

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Abstract:
Early life stages of marine crustaceans respond sensitively to elevated seawater PCO2. However, the underlying physiological mechanisms have not been studied well. We therefore investigated the effects of elevated seawater PCO2 on oxygen consumption, dry weight, elemental composition, median developmental time (MDT) and mortality in zoea I larvae of the spider crab Hyas araneus (Svalbard 79°N/11°E; collection, May 2009; hatch, December 2009). At the time of moulting, oxygen consumption rate had reached a steady state level under control conditions. In contrast, elevated seawater PCO2 caused the metabolic rate to rise continuously leading to a maximum 1.5-fold increase beyond control level a few days before moulting into the second stage (zoea II), followed by a pronounced decrease. Dry weight of larvae reared under high CO2 conditions was lower than in control larvae at the beginning of the moult cycle, yet this difference had disappeared at the time of moulting. MDT of zoea I varied between 45 ± 1 days under control conditions and 42 ± 2 days under the highest seawater CO2 concentration. The present study indicates that larval development under elevated seawater PCO2 levels results in higher metabolic costs during premoulting events in zoea I. However, H. araneus zoea I larvae seem to be able to compensate for higher metabolic costs as larval MDT and survival was not affected by elevated PCO2 levels.
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
Coverage:
Latitude: 78.916670 * Longitude: 11.933330
Date/Time Start: 2009-05-01T00:00:00 * Date/Time End: 2009-05-31T00:00:00
Event(s):
Kongsfjorden_OA * Latitude: 78.916670 * Longitude: 11.933330 * Date/Time Start: 2009-05-01T00:00:00 * Date/Time End: 2009-05-31T00:00:00 * Location: Kongsfjorden, Spitsbergen, Arctic * Device: Experiment (EXP)
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 2014-05-28.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1SpeciesSpeciesSchiffer, Melanie
2FigureFigSchiffer, Melanie
3Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmSchiffer, Melanie
4Incubation durationInc durdaySchiffer, Melanie
5LarvaeLarvae#Schiffer, Melaniealive
6Larvae, deadLarvae d#Schiffer, Melanie
7LarvaeLarvae#Schiffer, MelanieZoea II
8Respiration rate, oxygen, per individualResp O2/indmg/#/hSchiffer, Melanie
9Dry mass per individualdm/indµg/#Schiffer, Melanie
10Carbon content per individualC/indµg/#Schiffer, Melanie
11Nitrogen content per individualN/indµg/#Schiffer, Melanie
12SalinitySalSchiffer, Melanie
13Temperature, waterTemp°CSchiffer, Melanie
14Temperature, water, standard deviationTemp std dev±Schiffer, Melanie
15pHpHSchiffer, MelanieNBS scale
16pH, standard deviationpH std dev±Schiffer, MelanieNBS scale
17Carbon, inorganic, dissolvedDICµmol/kgSchiffer, Melanie
18Carbon, inorganic, dissolved, standard deviationDIC std dev±Schiffer, Melanie
19Alkalinity, totalATµmol/kgSchiffer, Melanie
20Alkalinity, total, standard deviationAT std dev±Schiffer, Melanie
21Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmSchiffer, MelanieCalculated using CO2SYS
22Partial pressure of carbon dioxide, standard deviationpCO2 std dev±Schiffer, MelanieCalculated using CO2SYS
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)
Size:
26064 data points

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