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

DOI

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.

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).

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

Identifier
DOI https://doi.org/10.1594/PANGAEA.770055
Related Identifier https://doi.org/10.3354/ame01520
Metadata Access https://ws.pangaea.de/oai/provider?verb=GetRecord&metadataPrefix=datacite4&identifier=oai:pangaea.de:doi:10.1594/PANGAEA.770055
Provenance
Creator Fiorini, Sarah; Pedrotti, Maria Luiza ORCID logo; Middelburg, Jack J ORCID logo; Gattuso, Jean-Pierre ORCID logo; Kerros, Marie-Emmanuelle
Publisher PANGAEA
Contributor Laboratoire d'Océanographie de Villefranche; Nisumaa, Anne-Marin
Publication Year 2011
Funding Reference Seventh Framework Programme https://doi.org/10.13039/100011102 Crossref Funder ID 211384 https://cordis.europa.eu/project/id/211384 European Project on Ocean Acidification; Sixth Framework Programme https://doi.org/10.13039/100011103 Crossref Funder ID 511106 https://cordis.europa.eu/project/id/511106 European network of excellence for Ocean Ecosystems Analysis
Rights Creative Commons Attribution 3.0 Unported; https://creativecommons.org/licenses/by/3.0/
OpenAccess true
Representation
Resource Type Supplementary Dataset; Dataset
Format text/tab-separated-values
Size 1536 data points
Discipline Earth System Research