Summary
The potential seeding impact of sea ice microbial communities was studied during late austral winter early spring 1988 in the Weddell Sea, Antarctica. Experiments were performed in seawater aquariums with natural seawater and seawater enriched with crushed ice. Algal, protozoan and bacterial cell numbers were followed, as well as nutrients and DOC levels. The results showed a potential seeding effect of sea ice communities to the water column. However, the type of ice communities differed greatly from each other and the effect of such seeding will be patchy. In our experiments seeding of seawater by ice rich in algae, flagellates and/or particulate organic carbon lead to the development of communities dominated either by diatoms or bacteria.
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Data presented here were collected during the European Polarstern Study (EPOS) sponsored by the European Science Foundation
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Kuosa, H., Norrman, B., Kivi, K. et al. Effects of Antarctic sea ice biota on seeding as studied in aquarium experiments. Polar Biol 12, 333–339 (1992). https://doi.org/10.1007/BF00243104
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DOI: https://doi.org/10.1007/BF00243104