Zooplankton community conditions under sea ice near Syowa Station, Antarctica

Authors: Fukuchi, Mitsuo; Tanimura, Atsushi; Ohtsuka, Hideaki

Source: Bulletin of Marine Science, Volume 37, Number 2, September 1985 , pp. 518-528(11)

Publisher: University of Miami - Rosenstiel School of Marine and Atmospheric Science

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Abstract:

There are few zooplankton investigations in the ice-covered sea around the Antarctic continent compared to those in the Antarctic open waters. In 1982, zooplankton sampling was carried out at one station at a depth of 675 m in the fast ice area near Syowa Station, Antarctica, as a part of the Japanese BIOMASS programs. A total of 13 vertical hauls from 660 m to surface were made at 2-3-week intervals between May (late autumn) and December (early summer). Average biomass of zooplankton was 13.5 g wet weight per 1,000 m³, with the maximum of 25.5 g in August. Copepods, chaetognaths and ostracods constituted major components of the zooplankton community occupying more than 90% of all the zooplankters. Abundance and composition of the zooplankton community changed seasonally and three different phases were demarcated.

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Document Type: Research article

Publication date: 1985-09-01

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