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Sui, Yanming; Kong, Hui; Huang, Xizhi; Dupont, Sam; Hu, Menghong; Storch, Daniela; Pörtner, Hans-Otto; Lu, Weiqun; Wang, Youji (2016): Combined effects of short-term exposure to elevated CO2 and decreased O2 on the physiology and energy budget of the thick shell mussel Mytilus coruscus. PANGAEA, https://doi.org/10.1594/PANGAEA.862074, Supplement to: Sui, Y et al. (2016): Combined effects of short-term exposure to elevated CO2 and decreased O2 on the physiology and energy budget of the thick shell mussel Mytilus coruscus. Chemosphere, 155, 207-216, https://doi.org/10.1016/j.chemosphere.2016.04.054

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Abstract:
Hypoxia and ocean acidification are two consequences of anthropogenic activities. These global trends occur on top of natural variability. In environments such as estuarine areas, short-term acute pH and O2 fluctuations are occurring simultaneously. The present study tested the combined effects of short-term seawater acidification and hypoxia on the physiology and energy budget of the thick shell mussel Mytilus coruscus. Mussels were exposed for 72 h to six combined treatments with three pH levels (8.1, 7.7 and 7.3) and two dissolved oxygen (DO) levels (2 mg/L, 6 mg/L). Clearance rate (CR), food absorption efficiency (AE), respiration rate (RR), ammonium excretion rate (ER), O:N ratio and scope for growth (SFG) were significantly reduced, and faecal organic dry weight ratio (E) was significantly increased at low DO. Low pH did not lead to a reduced SFG. Interactive effects of pH and DO were observed for CR, E and RR. Principal component analysis (PCA) revealed positive relationships among most physiological indicators, especially between SFG and CR under normal DO conditions. These results demonstrate that Mytilus coruscus was sensitive to short-term (72 h) exposure to decreased O2 especially if combined with decreased pH levels. In conclusion, the short-term oxygen and pH variation significantly induced physiological changes of mussels with some interactive effects.
Keyword(s):
Animalia; Behaviour; Benthic animals; Benthos; Brackish waters; Containers and aquaria (20- 1000 L or < 1 m**2); Growth/Morphology; Laboratory experiment; Mollusca; Mytilus coruscus; North Pacific; Other metabolic rates; Respiration; Single species; Temperate
Further details:
Gattuso, Jean-Pierre; Epitalon, Jean-Marie; Lavigne, Héloise (2015): seacarb: seawater carbonate chemistry with R. R package version 3.0.8. https://cran.r-project.org/package=seacarb
Coverage:
Latitude: 30.550260 * Longitude: 121.833270
Date/Time Start: 2015-04-01T00:00:00 * Date/Time End: 2015-04-30T00:00:00
Event(s):
Shengsi_island_OA * Latitude: 30.550260 * Longitude: 121.833270 * Date/Time Start: 2015-04-01T00:00:00 * Date/Time End: 2015-04-30T00:00:00 * Device: Experiment (EXP)
Comment:
In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Gattuso et al, 2015) 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 2016-06-30.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1TypeTypeSui, Yanmingstudy
2SpeciesSpeciesSui, Yanming
3Registration number of speciesReg spec noSui, Yanming
4Uniform resource locator/link to referenceURL refSui, YanmingWoRMS Aphia ID
5Time in hoursTimehSui, Yanming
6TreatmentTreatSui, Yanming
7Respiration rate, oxygenResp O2µg/mg/hSui, Yanming
8Ammonia excretionNH3/[NH4]+ excmg/g/hSui, Yanming
9Clearance rateCRml/g/hSui, Yanming
10Scope for growthSfGJ/g/hSui, Yanming
11Oxygen consumed/Nitrogen excreted ratioO cons/N excSui, Yanming
12Fecal organic dry mass ratioFecal OM ratioSui, Yanming
13Absorption efficiencyAbsorp eff%Sui, Yanming
14OxygenO2µmol/lSui, Yanmingdissolved oxygen
15Oxygen, standard deviationO2 std dev±Sui, Yanmingdissolved oxygen
16SalinitySalSui, Yanming
17Salinity, standard deviationSal std dev±Sui, Yanming
18pHpHSui, YanmingPotentiometricNBS scale
19pH, standard deviationpH std dev±Sui, YanmingPotentiometricNBS scale
20Temperature, waterTemp°CSui, Yanming
21Temperature, water, standard deviationTemp std dev±Sui, Yanming
22Alkalinity, totalATµmol/kgSui, YanmingPotentiometric titration
23Alkalinity, total, standard deviationAT std dev±Sui, YanmingPotentiometric titration
24Carbon, inorganic, dissolvedDICµmol/kgSui, YanmingCalculated using CO2SYS
25Carbon, inorganic, dissolved, standard deviationDIC std dev±Sui, YanmingCalculated using CO2SYS
26Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmSui, YanmingCalculated using CO2SYS
27Partial pressure of carbon dioxide, standard deviationpCO2 std dev±Sui, YanmingCalculated using CO2SYS
28Calcite saturation stateOmega CalSui, YanmingCalculated using CO2SYS
29Calcite saturation state, standard deviationOmega Cal std dev±Sui, YanmingCalculated using CO2SYS
30Aragonite saturation stateOmega ArgSui, YanmingCalculated using CO2SYS
31Aragonite saturation state, standard deviationOmega Arg std dev±Sui, YanmingCalculated using CO2SYS
32Carbonate system computation flagCSC flagYang, YanCalculated using seacarb after Nisumaa et al. (2010)
33pHpHYang, YanCalculated using seacarb after Nisumaa et al. (2010)total scale
34Carbon dioxideCO2µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
35Fugacity of carbon dioxide (water) at sea surface temperature (wet air)fCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
36Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
37Bicarbonate ion[HCO3]-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
38Carbonate ion[CO3]2-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
39Carbon, inorganic, dissolvedDICµmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
40Aragonite saturation stateOmega ArgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
41Calcite saturation stateOmega CalYang, YanCalculated using seacarb after Nisumaa et al. (2010)
Size:
2952 data points

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