Fiorini, Sarah; Pedrotti, Maria Luiza; Middelburg, Jack J; Gattuso, Jean-Pierre; Kerros, Marie-Emmanuelle (2011): Seawater carbonate chemistry, POC, PIC, TPC, SPM, N, TEP and growth rate during experiments with coccolithophores Emiliania huxleyi (AC472), Calcidiscus leptoporus (AC370) and Syracosphaera pulchra (AC418) during experiments, 2011 [dataset]. Laboratoire d'Océanographie de Villefranche, PANGAEA, https://doi.org/10.1594/PANGAEA.770055, Supplement to: Fiorini, Sarah; Middelburg, Jack J; Gattuso, Jean-Pierre (2011): Effects of elevated CO2 partial pressure and temperature on the coccolithophore Syracosphaera pulchra. Aquatic Microbial Ecology, 64(3), 221-232, https://doi.org/10.3354/ame01520
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Abstract:
The response of three coccolithophores (Emiliania huxleyi, Calcidiscus leptoporus and Syracosphaera pulchra) to elevated partial pressure (pCO2) of carbon dioxide was investigated in batch cultures. For the first time, we also report on the response of the non calcifying (haploid) life stage of these three species. The growth rate, cell size, inorganic (PIC) and organic carbon (POC) of both life stages were measured at two different pCO2 (400and 760 ppm) and their organic and inorganic carbon production calculated. The two lifestages within the same species generally exhibited a similar response to elevated pCO2, theresponse of the haploid stage being often more pronounced than that of the diploid stage. Thegrowth rate was consistently higher at higher pCO2 but the response of other processes varied among species. The calcification rate of C. leptoporus and of S. pulchra did not change at elevated pCO2 while increased in E. huxleyi. The POC production as well as the cell size of both life stages of S. pulchra and of the haploid stage of E. huxleyi markedly decreased at elevated pCO2. It remained unaltered in the diploid stage of E. huxleyi and C. leptoporus and increased in the haploid stage of the latter. The PIC:POC ratio increased in E. huxleyi and was constant in C. leptoporus and S. pulchra. These results suggest that the non-calcifying stage, is more responsive than the calcifying stage and that the most versatile genera will proliferate in a more acidic ocean rather than all coccolithophores will decline.
Keyword(s):
Biomass/Abundance/Elemental composition; Bottles or small containers/Aquaria (<20 L); Calcidiscus leptoporus; Calcification/Dissolution; Chromista; Emiliania huxleyi; Growth/Morphology; Haptophyta; Laboratory experiment; Laboratory strains; Mediterranean Sea; Pelagos; Phytoplankton; Primary production/Photosynthesis; Single species; Syracosphaera pulchra; Temperature
Project(s):
Funding:
Sixth Framework Programme (FP6), grant/award no. 511106: European network of excellence for Ocean Ecosystems Analysis
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).
Parameter(s):
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
1536 data points