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Pansch, Christian; Nasrolahi, Ali; Appelhans, Yasmin S; Wahl, Martin (2014): Impacts of ocean warming and acidification on the larval development of the barnacle Amphibalanus improvisus. doi:10.1594/PANGAEA.831423,
Supplement to: Pansch, C et al. (2012): Impacts of ocean warming and acidification on the larval development of the barnacle Amphibalanus improvisus. Journal of Experimental Marine Biology and Ecology, 420-421, 48-55, doi:10.1016/j.jembe.2012.03.023

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Abstract:
The world's oceans are warming and becoming more acidic. Both stressors, singly or in combination, impact marine species, and ensuing effects might be particularly serious for early life stages. To date most studies have focused on ocean acidification (OA) effects in fully marine environments, while little attention has been devoted to more variable coastal ecosystems, such as the Western Baltic Sea. Since natural spatial and temporal variability of environmental conditions such as salinity, temperature or pCO2 impose more complex stresses upon organisms inhabiting these habitats, species can be expected to be more tolerant to OA (or warming) than fully marine taxa. We present data on the variability of salinity, temperature and pH within the Kiel Fjord and on the responses of the barnacle Amphibalanus improvisus from this habitat to simulated warming and OA during its early development. Nauplii and cyprids were exposed to different temperature (12, 20 and 27°C) and pCO2 (nominally 400, 1250 and 3250 µatm) treatments for 8 and 4 weeks, respectively. Survival, larval duration and settlement success were monitored. Warming affected larval responses more strongly than OA. Increased temperatures favored survival and development of nauplii but decreased survival of cyprids. OA had no effect upon survival of nauplii but enhanced their development at low (12°C) and high (27°C) temperatures. In contrast, at the intermediate temperature (20°C), nauplii were not affected even by 3250 µatm pCO2. None of the treatments significantly affected settlement success of cyprids. These experiments show a remarkable tolerance of A. improvisus larvae to 1250 µatm pCO2, the level of OA predicted for the end of the century.
Further details:
Lavigne, Héloise; Gattuso, Jean-Pierre (2011): seacarb: seawater carbonate chemistry with R. R package version 2.4. 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 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). The date of carbonate chemistry calculation by seacarb is 2014-04-03.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1SpeciesSpeciesPansch, Christian
2FigureFigPansch, Christian
3Temperature, waterTemp°CPansch, Christian
4Temperature, standard deviationT std dev±Pansch, Christian
5TreatmentTreatPansch, Christian
6Day of experimentDOEdayPansch, ChristianNauplii survival day
7SurvivalSurvival%Pansch, ChristianNauplii Surval
8ProportionProp%Pansch, ChristianProportion of Nauplii to cypris
9Duration, number of daysDurationdaysPansch, ChristianNauplii larval duration in days
10Day of experimentDOEdayPansch, ChristianCypris survival day
11SurvivalSurvival%Pansch, ChristianCypris survival
12SettlementSettlement%Pansch, Christian
13SalinitySalPansch, Christian
14Salinity, standard deviationSal std dev±Pansch, Christian
15pHpHPansch, ChristianNBS scale
16pH, standard deviationpH std dev±Pansch, ChristianNBS scale
17Carbon, inorganic, dissolvedDICµmol/kgPansch, Christian
18Carbon, inorganic, dissolved, standard deviationDIC std dev±Pansch, Christian
19Alkalinity, totalATµmol/kgPansch, Christian
20Alkalinity, total, standard deviationAT std dev±Pansch, Christian
21Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmPansch, Christian
22Partial pressure of carbon dioxide, standard deviationpCO2 std dev±Pansch, Christian
23Calcite saturation stateOmega CalPansch, Christian
24Calcite saturation state, standard deviationOmega Cal std dev±Pansch, Christian
25Aragonite saturation stateOmega ArgPansch, Christian
26Aragonite saturation state, standard deviationOmega Arg std dev±Pansch, Christian
27Carbonate system computation flagCSC flagYang, YanCalculated using seacarb after Nisumaa et al. (2010)
28pHpHYang, YanCalculated using seacarb after Nisumaa et al. (2010)total scale
29Carbon dioxideCO2µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
30Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
31Fugacity of carbon dioxide (water) at sea surface temperature (wet air)fCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
32Bicarbonate ion[HCO3]-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
33Carbonate ion[CO3]2-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
34Aragonite saturation stateOmega ArgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
35Calcite saturation stateOmega CalYang, YanCalculated using seacarb after Nisumaa et al. (2010)
Size:
60140 data points

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