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Sea ice primary productivity in the northern Barents Sea, spring 2004

journal contribution
posted on 2023-05-16, 20:03 authored by Andrew McMinnAndrew McMinn, Hegseth, EN
The biomass and productivity of sea ice algae was assessed in the northwestern Barents Sea in May 2004. Sea ice algal pigment content was patchy with a mean of 18.5 ± 8.9 mg Chla m-2. The algal community was dominated by the diatom Nitzschia frigida. Primary production measured by 14C incubations was between 0.37 and 2.8 mg C m-2 h -1, which compared well with oxygen-based methods using the diffusive boundary layer approach (0.071-1.1 mg C m-2 h-1). Given the differences in the irradiances under which these two sets of measurements were made, there was a strong level of consistency between the two sets of results. Measurements of primary production were consistent with previous Arctic measurements but high spatial heterogeneity made a regional estimate of production inappropriate. © 2006 Springer-Verlag.

History

Publication title

Polar Biology

Volume

30

Pagination

289-294

ISSN

0722-4060

Department/School

Institute for Marine and Antarctic Studies

Publisher

Springer

Place of publication

New, York, USA

Repository Status

  • Restricted

Socio-economic Objectives

Marine biodiversity

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