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Gao, Guang; Jin, Peng; Liu, Nana; Li, Futian; Tong, Shanying; Hutchins, David A; Gao, Kunshan (2017): The acclimation process of phytoplankton biomass, carbon fixation and respiration to the combined effects of elevated temperature and pCO2 in the northern South China Sea [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.875086, Supplement to: Gao, G et al. (2017): The acclimation process of phytoplankton biomass, carbon fixation and respiration to the combined effects of elevated temperature and p CO 2 in the northern South China Sea. Marine Pollution Bulletin, 118(1-2), 213-220, https://doi.org/10.1016/j.marpolbul.2017.02.063

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Abstract:
We conducted shipboard microcosm experiments at both off-shore (SEATS) and near-shore (D001) stations in the northern South China Sea (NSCS) under three treatments, low temperature and low pCO2 (LTLC), high temperature and low pCO2 (HTLC), and high temperature and high pCO2 (HTHC). Biomass of phytoplankton at both stations were enhanced by HT. HTHC did not affect phytoplankton biomass at station D001 but decreased it at station SEATS. HT alone increased net primary productivity by 234% at station SEATS and by 67% at station D001 but the stimulating effect disappeared when HC was combined. HT also increased respiration rate by 236% at station SEATS and by 87% at station D001 whereas HTHC reduced it by 61% at station SEATS and did not affect it at station D001. Overall, our findings indicate that the positive effect of ocean warming on phytoplankton assemblages in NSCS could be damped or offset by ocean acidification.
Keyword(s):
Coast and continental shelf; Containers and aquaria (20-1000 L or < 1 m**2); Entire community; Laboratory experiment; North Pacific; Open ocean; Pelagos; Primary production/Photosynthesis; Respiration; Temperature; Tropical
Further details:
Gattuso, Jean-Pierre; Epitalon, Jean-Marie; Lavigne, Héloïse; Orr, James C; Gentili, Bernard; Proye, Aurélien; Soetaert, Karline; Rae, James (2016): seacarb: seawater carbonate chemistry with R. R package version 3.1. https://cran.r-project.org/package=seacarb
Project(s):
Ocean Acidification International Coordination Centre (OA-ICC)
Coverage:
Median Latitude: 18.485150 * Median Longitude: 113.339350 * South-bound Latitude: 17.996300 * West-bound Longitude: 110.716600 * North-bound Latitude: 18.974000 * East-bound Longitude: 115.962100
Date/Time Start: 2012-08-03T00:00:00 * Date/Time End: 2012-08-19T00:00:00
Event(s):
D001 * Latitude: 18.974000 * Longitude: 110.716600 * Date/Time Start: 2012-08-14T00:00:00 * Date/Time End: 2012-08-19T00:00:00 * Method/Device: Experiment (EXP)
SEATS * Latitude: 17.996300 * Longitude: 115.962100 * Date/Time Start: 2012-08-03T00:00:00 * Date/Time End: 2012-08-09T00:00:00 * Method/Device: Experiment (EXP)
Comment:
In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Gattuso et al, 2016) 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 2017-05-08.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEventGao, Kunshan
2TypeTypeGao, Kunshanstudy
3Experiment durationExp durationdaysGao, Kunshan
4Station labelStationGao, Kunshan
5TreatmentTreatGao, Kunshan
6Chlorophyll aChl aµg/lGao, Kunshan
7Chlorophyll a, standard deviationChl a std dev±Gao, Kunshan
8Primary production of carbonPP Cµg/l/dayGao, Kunshandaily
9Primary production of carbon, standard deviationPP C std dev±Gao, Kunshandaily
10Primary production of carbon per chlorophyll aPP C/Chl aµg/µg/dayGao, Kunshandaily
11Primary production of carbon, standard deviationPP C std dev±Gao, Kunshandaily primary productivity per Chl a
12Primary production of carbonPP Cµg/l/dayGao, Kunshannet
13Primary production of carbon, standard deviationPP C std dev±Gao, Kunshannet
14Primary production of carbon per chlorophyll aPP C/Chl aµg/µg/dayGao, Kunshannet
15Primary production of carbon, standard deviationPP C std dev±Gao, Kunshannet primary productivity per Chl a
16Respiration rate, carbonResp Cµg/l/dayGao, Kunshan
17Respiration rate, carbon dioxide, standard deviationResp CO2 std dev±Gao, Kunshan
18Respiration rate, carbon, per chlorophyll aResp C/Chl aµg/µg/dayGao, Kunshan
19Respiration rate, carbon dioxide, standard deviationResp CO2 std dev±Gao, Kunshanrespiration rate per Chl a
20Respiration/net photosynthesis ratioR/PGao, Kunshan
21Respiration/net photosynthesis ratio, standard deviationR/P std dev±Gao, Kunshan
22Temperature, waterTemp°CGao, Kunshan
23Temperature, water, standard deviationTemp std dev±Gao, Kunshan
24pHpHGao, KunshanPotentiometrictotal scale
25pH, standard deviationpH std dev±Gao, KunshanPotentiometrictotal scale
26Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmGao, Kunshan
27Partial pressure of carbon dioxide, standard deviationpCO2 std dev±Gao, Kunshan
28Carbon, inorganic, dissolvedDICµmol/kgGao, KunshanCalculated using CO2SYS
29Carbon, inorganic, dissolved, standard deviationDIC std dev±Gao, KunshanCalculated using CO2SYS
30Bicarbonate ion[HCO3]-µmol/kgGao, KunshanCalculated using CO2SYS
31Bicarbonate ion, standard deviation[HCO3]- std dev±Gao, KunshanCalculated using CO2SYS
32Carbonate ion[CO3]2-µmol/kgGao, KunshanCalculated using CO2SYS
33Carbonate ion, standard deviation[CO3]2- std dev±Gao, KunshanCalculated using CO2SYS
34Carbon dioxideCO2µmol/kgGao, KunshanCalculated using CO2SYS
35Carbon dioxide, standard deviationCO2 std dev±Gao, KunshanCalculated using CO2SYS
36Alkalinity, totalATµmol/kgGao, KunshanCalculated using CO2SYS
37Alkalinity, total, standard deviationAT std dev±Gao, KunshanCalculated using CO2SYS
38SalinitySalGao, Kunshan
39Carbonate system computation flagCSC flagYang, YanCalculated using seacarb after Nisumaa et al. (2010)
40Carbon dioxideCO2µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
41Fugacity of carbon dioxide (water) at sea surface temperature (wet air)fCO2water_SST_wetµatmYang, YanCalculated using seacarb after Nisumaa et al. (2010)
42Bicarbonate ion[HCO3]-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
43Carbonate ion[CO3]2-µmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
44Carbon, inorganic, dissolvedDICµmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
45Alkalinity, totalATµmol/kgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
46Aragonite saturation stateOmega ArgYang, YanCalculated using seacarb after Nisumaa et al. (2010)
47Calcite saturation stateOmega CalYang, YanCalculated using seacarb after Nisumaa et al. (2010)
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
316 data points

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