Early life stages of the Arctic copepod Calanus glacialis are unaffected by increased seawater pCO2, supplement to: Bailey, Allison; Thor, Peter; Browman, Howard I; Fields, David M; Runge, Jeffrey A; Vermont, Alexander; Bjelland, Reidun; Thompson, Cameron; Shema, Steven; Durif, Caroline M F; Hop, Haakon (2016): Early life stages of the Arctic copepod Calanus glacialis are unaffected by increased seawater pCO2. ICES Journal of Marine Science, fsw066

DOI

As the world's oceans continue to absorb anthropogenic CO2 from the atmosphere, the carbonate chemistry of seawater will change. This process, termed ocean acidification, may affect the physiology of marine organisms. Arctic seas are expected to experience the greatest decreases in pH in the future, as changing sea ice dynamics and naturally cold, brackish water, will accelerate ocean acidification. In this study, we investigated the effect of increased pCO2 on the early developmental stages of the key Arctic copepod Calanus glacialis. Eggs from wild-caught C. glacialis females from Svalbard, Norway (80°N), were cultured for 2 months to copepodite stage C1 in 2°C seawater under four pCO2 treatments (320, 530, 800, and 1700 matm). Developmental rate, dry weight, and carbon and nitrogen mass were measured every other day throughout the experiment, and oxygen consumption rate was measured at stages N3, N6, and C1. All endpoints were unaffected by pCO2 levels projected for the year 2300. These results indicate that naupliar development in wild populations of C. glacialis is unlikely to be detrimentally affected in a future high CO2 ocean.

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 2016-06-15.

Identifier
DOI https://doi.org/10.1594/PANGAEA.861734
Related Identifier https://doi.org/10.1093/icesjms/fsw066
Related Identifier https://cran.r-project.org/package=seacarb
Metadata Access https://ws.pangaea.de/oai/provider?verb=GetRecord&metadataPrefix=datacite4&identifier=oai:pangaea.de:doi:10.1594/PANGAEA.861734
Provenance
Creator Bailey, Allison; Thor, Peter; Browman, Howard I; Fields, David M; Runge, Jeffrey A; Vermont, Alexander; Bjelland, Reidun; Thompson, Cameron; Shema, Steven; Durif, Caroline M F; Hop, Haakon
Publisher PANGAEA - Data Publisher for Earth & Environmental Science
Contributor Yang, Yan
Publication Year 2017
Rights Creative Commons Attribution 3.0 Unported; https://creativecommons.org/licenses/by/3.0/
OpenAccess true
Representation
Language English
Resource Type Supplementary Dataset; Dataset
Format text/tab-separated-values
Size 1332 data points
Discipline Earth System Research
Spatial Coverage (21.951 LON, 80.465 LAT)
Temporal Coverage Begin 2013-01-01T00:00:00Z
Temporal Coverage End 2013-01-31T00:00:00Z