TY - JOUR N2 - In general, Antarctic marine bacteria are small, with biovolumes ranging from 0.139 to 0.204 μm-3 cell-1, but their total biomass in seawater is considerable due to relatively high numbers that approximate to 1020 cells km-3. Bacterial biomass becomes more concentrated closer to land. Our multi-year Antarctic studies demonstrated an average total bacterial biomass of 504 tons in Admirality Bay (24 km3) or 21 tons per 1 km3, versus 6.4 tons per 1 km3 in the open ocean. Strikingly, bacterial biomass reached 330 tons per 1 km3 of seawater at the sea-ice edge, as sampled in Goulden Cove in Admiralty Bay. Bacterial biomass in Admirality Bay, which we believe can be enriched by halotolerant and thermotolerant fresh water bacteria from glacial streams, is equal to or even exceeds that of the standing stock of krill (100-630 tons per bay) or other major living components, including phytoplankton (657 tons), flagellates (591 tons), and ciliates (412 tons). However, the bacterial biomass is exceeded by several orders of magnitude by non-living organic matter, which constitutes the basic bacterial carbon source. Factors regulating high bacterial abundance in the vicinity of land are discussed. L1 - http://www.journals.pan.pl/Content/110838/PDF-MASTER/1998-3-4_169-186.pdf L2 - http://www.journals.pan.pl/Content/110838 PY - 1998 IS - No 3-4 EP - 186 KW - heterotrophic bacteria KW - protozooplankton KW - phytoplankton KW - krill KW - organic matter KW - temperature KW - sea water KW - freshwater A1 - Zdanowski, Marek K. PB - Polish Academy of Sciences PB - Committee on Polar Research VL - vol. 19 DA - 1998 T1 - Factors regulating bacterial abundance in Antarctic coastal and shelf waters SP - 169 UR - http://www.journals.pan.pl/dlibra/publication/edition/110838 T2 - Polish Polar Research ER -