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Cornwall, Christopher Edward; Hurd, Catriona L (2019): Seawater carbonate chemistry and photosynthetic rates of macroalgae [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.912280, Supplement to: Cornwall, CE; Hurd, CL (2019): Variability in the benefits of ocean acidification to photosynthetic rates of macroalgae without CO2-concentrating mechanisms. Marine and Freshwater Research, https://doi.org/10.1071/MF19134

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Abstract:
Increasing concentrations of surface-seawater carbon dioxide (CO2) (ocean acidification) could favour seaweed species that currently are limited for dissolved inorganic carbon (DIC). Among them, those that are unable to use CO2-concentrating mechanisms (CCMs) to actively uptake bicarbonate (HCO3–) across the plasmalemma are most likely to benefit. Here, we assess how the DIC uptake and photosynthetic rates of three rhodophytes without CCMs respond to four seawater CO2 concentrations representing pre-industrial (280 μatm), present-day (400 μatm), representative concentration pathway (RCP) emissions scenario 8.5 2050 (650 μatm) and RCP 8.5 2100 (1000 μatm). We demonstrated that the photosynthetic rates of only one species increase between the preindustrial and end-of-century scenarios, but because of differing photosynthetic quotients (DIC taken up relative to O2 evolved), all three increase their DIC uptake rates from pre-industrial or present-day scenarios to the end-of-century scenario. These variable, but generally beneficial, responses highlight that not all species without CCMs will respond to ocean acidification uniformly. This supports past assessments that, on average, this group will likely benefit from the impacts of ocean acidification. However, more concerted efforts are now required to assess whether similar benefits to photosynthetic rates and DIC uptake are also observed in chlorophytes and ochrophytes without CCMs.
Keyword(s):
Benthos; Coast and continental shelf; Containers and aquaria (20-1000 L or < 1 m**2); Heminuera frondosa; Laboratory experiment; Macroalgae; Plantae; Plocamium angustum; Primary production/Photosynthesis; Rhodophyta; Rhodymenia sp.; Single species; South Pacific; Temperate
Further details:
Gattuso, Jean-Pierre; Epitalon, Jean-Marie; Lavigne, Héloïse; Orr, James C; Gentili, Bernard; Hagens, Mathilde; Hofmann, Andreas; Mueller, Jens-Daniel; Proye, Aurélien; Rae, James; Soetaert, Karline (2019): seacarb: seawater carbonate chemistry with R. R package version 3.2.12. https://CRAN.R-project.org/package=seacarb
Coverage:
Latitude: -43.058852 * Longitude: 147.333442
Date/Time Start: 2015-01-24T00:00:00 * Date/Time End: 2015-01-24T00:00:00
Event(s):
Tinderbox * Latitude: -43.058852 * Longitude: 147.333442 * Date/Time: 2015-01-24T00:00:00 * Method/Device: Experiment (EXP)
Comment:
In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Gattuso et al, 2019) 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 2020-02-17.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
TypeTypeCornwall, Christopher Edwardstudy
SpeciesSpeciesCornwall, Christopher Edward
Registration number of speciesReg spec noCornwall, Christopher Edward
Uniform resource locator/link to referenceURL refCornwall, Christopher EdwardWoRMS Aphia ID
TreatmentTreatCornwall, Christopher Edward
Photosynthetic rate, oxygen, per dry massPs oxygen/dmµmol/kg/g/hCornwall, Christopher Edward
Photosynthetic quotientPQCornwall, Christopher Edward
Dissolved inorganic carbon uptake rateDIC upt rateµmol/kg/g/hCornwall, Christopher Edward
Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmCornwall, Christopher Edward
10 Temperature, waterTemp°CCornwall, Christopher Edward
11 SalinitySalCornwall, Christopher Edward
12 pHpHCornwall, Christopher Edwardtotal scale, initial
13 pH, standard deviationpH std dev±Cornwall, Christopher Edwardtotal scale, initial
14 pHpHCornwall, Christopher Edwardtotal scale, final
15 pH, standard deviationpH std dev±Cornwall, Christopher Edwardtotal scale, final
16 Alkalinity, totalATµmol/kgCornwall, Christopher Edward
17 Alkalinity, total, standard deviationAT std dev±Cornwall, Christopher Edward
18 Carbon, inorganic, dissolvedDICµmol/kgCornwall, Christopher Edward
19 Carbon, inorganic, dissolved, standard deviationDIC std dev±Cornwall, Christopher Edward
20 Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmCornwall, Christopher Edward
21 Partial pressure of carbon dioxide, standard deviationpCO2 std dev±Cornwall, Christopher Edward
22 Carbon dioxideCO2µmol/kgCornwall, Christopher Edward
23 Carbon dioxide, standard deviationCO2 std dev±Cornwall, Christopher Edward
24 Bicarbonate ion[HCO3]-µmol/kgCornwall, Christopher Edward
25 Bicarbonate ion, standard deviation[HCO3]- std dev±Cornwall, Christopher Edward
26 Carbonate system computation flagCSC flagYang, YanCalculated using seacarb after Nisumaa et al. (2010)
27 Carbon dioxideCO2µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
28 Fugacity of carbon dioxide (water) at sea surface temperature (wet air)fCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
29 Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
30 Bicarbonate ion[HCO3]-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
31 Carbonate ion[CO3]2-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
32 Alkalinity, totalATµmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
33 Aragonite saturation stateOmega ArgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
34 Calcite saturation stateOmega CalYang, YanCalculated using seacarb after Nisumaa et al. (2010)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
2400 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


Type
(study)

Species

Reg spec no

URL ref
(WoRMS Aphia ID)

Treat

Ps oxygen/dm [µmol/kg/g/h]

PQ

DIC upt rate [µmol/kg/g/h]

pCO2water_SST_wet [µatm]
10 
Temp [°C]
11 
Sal
12 
pH
(total scale, initial)
13 
pH std dev [±]
(total scale, initial)
14 
pH
(total scale, final)
15 
pH std dev [±]
(total scale, final)
16 
AT [µmol/kg]
17 
AT std dev [±]
18 
DIC [µmol/kg]
19 
DIC std dev [±]
20 
pCO2water_SST_wet [µatm]
21 
pCO2 std dev [±]
22 
CO2 [µmol/kg]
23 
CO2 std dev [±]
24 
[HCO3]- [µmol/kg]
25 
[HCO3]- std dev [±]
26 
CSC flag
27 
CO2 [µmol/kg]
28 
fCO2water_SST_wet [µatm]
29 
pCO2water_SST_wet [µatm]
30 
[HCO3]- [µmol/kg]
31 
[CO3]2- [µmol/kg]
32 
AT [µmol/kg]
33 
Omega Arg
34 
Omega Cal
laboratoryHeminuera frondosa (macroalga)371587marinespecies.orgPre-industrial59.6381.42841.75528012358.150.028.160.0223765208782761811.40.7188119912.57305.77306.921897.13177.302337.082.704.22
laboratoryHeminuera frondosa (macroalga)371587marinespecies.orgPre-industrial59.4160.0000.00028012358.150.028.160.0223765208782761811.40.7188119912.57305.77306.921897.13177.302337.082.704.22
laboratoryHeminuera frondosa (macroalga)371587marinespecies.orgPre-industrial40.9310.94043.54528012358.150.028.160.0223765208782761811.40.7188119912.57305.77306.921897.13177.302337.082.704.22
laboratoryHeminuera frondosa (macroalga)371587marinespecies.orgPre-industrial39.0854.8348.08528012358.150.028.160.0223765208782761811.40.7188119912.57305.77306.921897.13177.302337.082.704.22
laboratoryHeminuera frondosa (macroalga)371587marinespecies.orgPre-industrial59.3032.49023.81428012358.150.028.160.0223765208782761811.40.7188119912.57305.77306.921897.13177.302337.082.704.22
laboratoryHeminuera frondosa (macroalga)371587marinespecies.orgPre-industrial37.3430.85543.70128012358.150.028.160.0223765208782761811.40.7188119912.57305.77306.921897.13177.302337.082.704.22
laboratoryHeminuera frondosa (macroalga)371587marinespecies.orgControl43.7070.90348.38338012358.120.028.130.0224105213594042816.61.2197228913.86336.94338.211950.99170.162372.002.594.05
laboratoryHeminuera frondosa (macroalga)371587marinespecies.orgControl44.5513.22313.82438012358.120.028.130.0224105213594042816.61.2197228913.86336.94338.211950.99170.162372.002.594.05
laboratoryHeminuera frondosa (macroalga)371587marinespecies.orgControl49.3961.15442.81838012358.120.028.130.0224105213594042816.61.2197228913.86336.94338.211950.99170.162372.002.594.05
laboratoryHeminuera frondosa (macroalga)371587marinespecies.orgControl21.2630.43948.38338012358.120.028.130.0224105213594042816.61.2197228913.86336.94338.211950.99170.162372.002.594.05
laboratoryHeminuera frondosa (macroalga)371587marinespecies.orgControl87.4141.35564.51138012358.120.028.130.0224105213594042816.61.2197228913.86336.94338.211950.99170.162372.002.594.05
laboratoryHeminuera frondosa (macroalga)371587marinespecies.orgControl3.7840.05964.57938012358.120.028.130.0224105213594042816.61.2197228913.86336.94338.211950.99170.162372.002.594.05
laboratoryHeminuera frondosa (macroalga)371587marinespecies.orgMid-century RCP 8.551.0010.71871.05255012357.930.027.950.0223735219976583727.11.5207337922.66551.10553.182060.32116.022348.081.762.76
laboratoryHeminuera frondosa (macroalga)371587marinespecies.orgMid-century RCP 8.579.9741.58250.55055012357.930.027.950.0223735219976583727.11.5207337922.66551.10553.182060.32116.022348.081.762.76
laboratoryHeminuera frondosa (macroalga)371587marinespecies.orgMid-century RCP 8.545.4640.61573.89455012357.930.027.950.0223735219976583727.11.5207337922.66551.10553.182060.32116.022348.081.762.76
laboratoryHeminuera frondosa (macroalga)371587marinespecies.orgMid-century RCP 8.552.9941.48335.72955012357.930.027.950.0223735219976583727.11.5207337922.66551.10553.182060.32116.022348.081.762.76
laboratoryHeminuera frondosa (macroalga)371587marinespecies.orgMid-century RCP 8.534.3480.82441.68455012357.930.027.950.0223735219976583727.11.5207337922.66551.10553.182060.32116.022348.081.762.76
laboratoryHeminuera frondosa (macroalga)371587marinespecies.orgMid-century RCP 8.530.1220.62348.38355012357.930.027.950.0223735219976583727.11.5207337922.66551.10553.182060.32116.022348.081.762.76
laboratoryHeminuera frondosa (macroalga)371587marinespecies.orgEnd-of-century RCP 8.539.3990.69656.62275012357.580.037.660.032409522641010777744.33.2215477953.111291.451296.322156.6554.252291.890.821.29
laboratoryHeminuera frondosa (macroalga)371587marinespecies.orgEnd-of-century RCP 8.569.4190.617112.44875012357.580.037.660.032409522641010777744.33.2215477953.111291.451296.322156.6554.252291.890.821.29
laboratoryHeminuera frondosa (macroalga)371587marinespecies.orgEnd-of-century RCP 8.574.9330.89184.08775012357.580.037.660.032409522641010777744.33.2215477953.111291.451296.322156.6554.252291.890.821.29
laboratoryHeminuera frondosa (macroalga)371587marinespecies.orgEnd-of-century RCP 8.583.7220.85198.32775012357.580.037.660.032409522641010777744.33.2215477953.111291.451296.322156.6554.252291.890.821.29
laboratoryHeminuera frondosa (macroalga)371587marinespecies.orgEnd-of-century RCP 8.535.1110.337104.21075012357.580.037.660.032409522641010777744.33.2215477953.111291.451296.322156.6554.252291.890.821.29
laboratoryHeminuera frondosa (macroalga)371587marinespecies.orgEnd-of-century RCP 8.554.4040.55598.10175012357.580.037.660.032409522641010777744.33.2215477953.111291.451296.322156.6554.252291.890.821.29
laboratoryPlocamium angustum (macroalga)371408marinespecies.orgPre-industrial84.4980.0000.00028012358.150.028.160.0223765208782761811.40.7188119912.57305.77306.921897.13177.302337.082.704.22
laboratoryPlocamium angustum (macroalga)371408marinespecies.orgPre-industrial53.2781.02551.95728012358.150.028.160.0223765208782761811.40.7188119912.57305.77306.921897.13177.302337.082.704.22
laboratoryPlocamium angustum (macroalga)371408marinespecies.orgPre-industrial13.5311.09912.31628012358.150.028.160.0223765208782761811.40.7188119912.57305.77306.921897.13177.302337.082.704.22
laboratoryPlocamium angustum (macroalga)371408marinespecies.orgPre-industrial9.2500.0000.00028012358.150.028.160.0223765208782761811.40.7188119912.57305.77306.921897.13177.302337.082.704.22
laboratoryPlocamium angustum (macroalga)371408marinespecies.orgPre-industrial10.8030.33032.77628012358.150.028.160.0223765208782761811.40.7188119912.57305.77306.921897.13177.302337.082.704.22
laboratoryPlocamium angustum (macroalga)371408marinespecies.orgPre-industrial6.7150.33020.37228012358.150.028.160.0223765208782761811.40.7188119912.57305.77306.921897.13177.302337.082.704.22
laboratoryPlocamium angustum (macroalga)371408marinespecies.orgControl51.2801.94126.41938012358.120.028.130.0224105213594042816.61.2197228913.86336.94338.211950.99170.162372.002.594.05
laboratoryPlocamium angustum (macroalga)371408marinespecies.orgControl24.0770.80629.88438012358.120.028.130.0224105213594042816.61.2197228913.86336.94338.211950.99170.162372.002.594.05
laboratoryPlocamium angustum (macroalga)371408marinespecies.orgControl31.9890.87936.39638012358.120.028.130.0224105213594042816.61.2197228913.86336.94338.211950.99170.162372.002.594.05
laboratoryPlocamium angustum (macroalga)371408marinespecies.orgControl29.2361.61118.14438012358.120.028.130.0224105213594042816.61.2197228913.86336.94338.211950.99170.162372.002.594.05
laboratoryPlocamium angustum (macroalga)371408marinespecies.orgControl38.1280.82446.27238012358.120.028.130.0224105213594042816.61.2197228913.86336.94338.211950.99170.162372.002.594.05
laboratoryPlocamium angustum (macroalga)371408marinespecies.orgControl58.7030.98459.68438012358.120.028.130.0224105213594042816.61.2197228913.86336.94338.211950.99170.162372.002.594.05
laboratoryPlocamium angustum (macroalga)371408marinespecies.orgMid-century RCP 8.580.7991.85643.54555012357.930.027.950.0223735219976583727.11.5207337922.66551.10553.182060.32116.022348.081.762.76
laboratoryPlocamium angustum (macroalga)371408marinespecies.orgMid-century RCP 8.531.1100.74741.64155012357.930.027.950.0223735219976583727.11.5207337922.66551.10553.182060.32116.022348.081.762.76
laboratoryPlocamium angustum (macroalga)371408marinespecies.orgMid-century RCP 8.554.9290.75772.57555012357.930.027.950.0223735219976583727.11.5207337922.66551.10553.182060.32116.022348.081.762.76
laboratoryPlocamium angustum (macroalga)371408marinespecies.orgMid-century RCP 8.579.8731.21665.69355012357.930.027.950.0223735219976583727.11.5207337922.66551.10553.182060.32116.022348.081.762.76
laboratoryPlocamium angustum (macroalga)371408marinespecies.orgMid-century RCP 8.564.5321.51442.63155012357.930.027.950.0223735219976583727.11.5207337922.66551.10553.182060.32116.022348.081.762.76
laboratoryPlocamium angustum (macroalga)371408marinespecies.orgMid-century RCP 8.532.7360.262125.14455012357.930.027.950.0223735219976583727.11.5207337922.66551.10553.182060.32116.022348.081.762.76
laboratoryPlocamium angustum (macroalga)371408marinespecies.orgEnd-of-century RCP 8.5111.9101.22191.67375012357.580.037.660.032409522641010777744.33.2215477953.111291.451296.322156.6554.252291.890.821.29
laboratoryPlocamium angustum (macroalga)371408marinespecies.orgEnd-of-century RCP 8.5106.2290.960110.61875012357.580.037.660.032409522641010777744.33.2215477953.111291.451296.322156.6554.252291.890.821.29
laboratoryPlocamium angustum (macroalga)371408marinespecies.orgEnd-of-century RCP 8.594.2111.75853.59475012357.580.037.660.032409522641010777744.33.2215477953.111291.451296.322156.6554.252291.890.821.29
laboratoryPlocamium angustum (macroalga)371408marinespecies.orgEnd-of-century RCP 8.552.2450.87159.99675012357.580.037.660.032409522641010777744.33.2215477953.111291.451296.322156.6554.252291.890.821.29
laboratoryPlocamium angustum (macroalga)371408marinespecies.orgEnd-of-century RCP 8.595.6830.791120.95875012357.580.037.660.032409522641010777744.33.2215477953.111291.451296.322156.6554.252291.890.821.29
laboratoryPlocamium angustum (macroalga)371408marinespecies.orgEnd-of-century RCP 8.5127.5771.130112.89475012357.580.037.660.032409522641010777744.33.2215477953.111291.451296.322156.6554.252291.890.821.29
laboratoryRhodymenia sp. (macroalga)Pre-industrial37.0321.90419.44628012358.150.028.160.0223765208782761811.40.7188119912.57305.77306.921897.13177.302337.082.704.22
laboratoryRhodymenia sp. (macroalga)Pre-industrial14.6400.56825.79128012358.150.028.160.0223765208782761811.40.7188119912.57305.77306.921897.13177.302337.082.704.22
laboratoryRhodymenia sp. (macroalga)Pre-industrial21.9270.0000.00028012358.150.028.160.0223765208782761811.40.7188119912.57305.77306.921897.13177.302337.082.704.22
laboratoryRhodymenia sp. (macroalga)Pre-industrial37.4214.3218.65928012358.150.028.160.0223765208782761811.40.7188119912.57305.77306.921897.13177.302337.082.704.22
laboratoryRhodymenia sp. (macroalga)Pre-industrial10.6630.58618.19828012358.150.028.160.0223765208782761811.40.7188119912.57305.77306.921897.13177.302337.082.704.22
laboratoryRhodymenia sp. (macroalga)Pre-industrial55.6225.27410.54728012358.150.028.160.0223765208782761811.40.7188119912.57305.77306.921897.13177.302337.082.704.22
laboratoryRhodymenia sp. (macroalga)Control15.0850.0000.00038012358.120.028.130.0224105213594042816.61.2197228913.86336.94338.211950.99170.162372.002.594.05
laboratoryRhodymenia sp. (macroalga)Control14.8840.0000.00038012358.120.028.130.0224105213594042816.61.2197228913.86336.94338.211950.99170.162372.002.594.05
laboratoryRhodymenia sp. (macroalga)Control35.3492.78312.70138012358.120.028.130.0224105213594042816.61.2197228913.86336.94338.211950.99170.162372.002.594.05
laboratoryRhodymenia sp. (macroalga)Control20.6250.86123.96638012358.120.028.130.0224105213594042816.61.2197228913.86336.94338.211950.99170.162372.002.594.05
laboratoryRhodymenia sp. (macroalga)Control19.7900.87922.51638012358.120.028.130.0224105213594042816.61.2197228913.86336.94338.211950.99170.162372.002.594.05
laboratoryRhodymenia sp. (macroalga)Control47.9661.00747.62738012358.120.028.130.0224105213594042816.61.2197228913.86336.94338.211950.99170.162372.002.594.05
laboratoryRhodymenia sp. (macroalga)Mid-century RCP 8.58.8600.0000.00055012357.930.027.950.0223735219976583727.11.5207337922.66551.10553.182060.32116.022348.081.762.76
laboratoryRhodymenia sp. (macroalga)Mid-century RCP 8.568.6951.83137.51655012357.930.027.950.0223735219976583727.11.5207337922.66551.10553.182060.32116.022348.081.762.76
laboratoryRhodymenia sp. (macroalga)Mid-century RCP 8.53.704-0.165-22.47555012357.930.027.950.0223735219976583727.11.5207337922.66551.10553.182060.32116.022348.081.762.76
laboratoryRhodymenia sp. (macroalga)Mid-century RCP 8.51.8320.03750.02155012357.930.027.950.0223735219976583727.11.5207337922.66551.10553.182060.32116.022348.081.762.76
laboratoryRhodymenia sp. (macroalga)Mid-century RCP 8.535.9271.02535.03655012357.930.027.950.0223735219976583727.11.5207337922.66551.10553.182060.32116.022348.081.762.76
laboratoryRhodymenia sp. (macroalga)Mid-century RCP 8.522.6150.68832.84655012357.930.027.950.0223735219976583727.11.5207337922.66551.10553.182060.32116.022348.081.762.76
laboratoryRhodymenia sp. (macroalga)End-of-century RCP 8.529.5320.91632.25575012357.580.037.660.032409522641010777744.33.2215477953.111291.451296.322156.6554.252291.890.821.29
laboratoryRhodymenia sp. (macroalga)End-of-century RCP 8.547.4140.88853.38875012357.580.037.660.032409522641010777744.33.2215477953.111291.451296.322156.6554.252291.890.821.29
laboratoryRhodymenia sp. (macroalga)End-of-century RCP 8.522.9830.51344.82675012357.580.037.660.032409522641010777744.33.2215477953.111291.451296.322156.6554.252291.890.821.29
laboratoryRhodymenia sp. (macroalga)End-of-century RCP 8.554.7901.16347.12175012357.580.037.660.032409522641010777744.33.2215477953.111291.451296.322156.6554.252291.890.821.29
laboratoryRhodymenia sp. (macroalga)End-of-century RCP 8.535.0210.51368.30675012357.580.037.660.032409522641010777744.33.2215477953.111291.451296.322156.6554.252291.890.821.29
laboratoryRhodymenia sp. (macroalga)End-of-century RCP 8.554.7681.03852.78275012357.580.037.660.032409522641010777744.33.2215477953.111291.451296.322156.6554.252291.890.821.29