Prosome length and dry mass of Calanus finmarchicus, Calanus glacialis and Calanus hyperboreus during POLARSTERN cruise PS78 (ARK-XXVI/1)


Specimens of the species Calanus finmarchicus, Calanus glacialis and Calanus hyperboreus were sorted from Bongo net hauls during Polarstern cruise PS78 (ARK-XXVI/1) on a transect across Fram Strait. Their prosome length was measured onboard under a stereo-microscope (magnification: 16 – 32fold, error between 0.03 and 0.06 mm). Afterwards, each individual was transferred to a pre-weighted tin cap and stored at -20°C. The copepod samples were then dried at 60°C for at least 48 h and weighted to measure individual dry mass (mg). The analysis of carbon and nitrogen contents was carried out with the “EuroVector Elemental Analyzer EuroEA 300” (HEKAtech GmbH) and the software package “CallidusTM Software v.2E3”. As in preserved sample analyses, the three Calanus species were distinguished based on their prosome length (Unstad and Tande 1991).

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Creator Cornils, Astrid ORCID logo; Thomisch, Karolin ORCID logo; Hase, Joanna; Hildebrandt, Nicole ORCID logo; Auel, Holger; Niehoff, Barbara ORCID logo
Publisher PANGAEA
Publication Year 2022
Funding Reference Federal Ministry of Education and Research Crossref Funder ID 03F0777A WTZ Russland - QUARCCS; Quantifizierung schneller Klimaänderungen in der Arktis: Regionale Rückkopplungen und großskalige Einflüsse
Rights Creative Commons Attribution 4.0 International;
OpenAccess true
Resource Type Dataset
Format text/tab-separated-values
Size 2308 data points
Discipline Earth System Research
Spatial Coverage (-5.348W, 78.819S, 8.025E, 78.838N); North Greenland Sea
Temporal Coverage Begin 2011-06-25T22:20:00Z
Temporal Coverage End 2011-07-10T09:44:00Z