Abundance and biomass of bacteria in two Arctic glacial fjords

Abstract: The total numbers and biomass of bacterioplankton in two Arctic glacial fjords off west Spitsbergen were studied. Samples were collected from different water depth layers – from the surface to 80–90 m depth. Total bacterial number (TBN), biomass and morphologi− cal structure (shape of bact...

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Bibliographic Details
Main Authors: Katarzyna Jankowska, Piotr Wieczorek, Instytut Oceanologii Polska Akademia Nauk
Other Authors: The Pennsylvania State University CiteSeerX Archives
Format: Text
Language:English
Subjects:
Key words
Arctic
Spitsbergen fjord
bacteria
Kongsbreen
Krossfjorden
Kongsfjord*
Kongsfjorden
Krossfjord*
Spitsbergen
Online Access:http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.587.3912
http://www.polish.polar.pan.pl/ppr26/ppr26-077.pdf
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Summary:Abstract: The total numbers and biomass of bacterioplankton in two Arctic glacial fjords off west Spitsbergen were studied. Samples were collected from different water depth layers – from the surface to 80–90 m depth. Total bacterial number (TBN), biomass and morphologi− cal structure (shape of bacteria) were determined using the acridine orange direct count method. The highest values of TBN and biomass in the water column were found in Kongsfjorden in the stations adjacent to Kongsbreen Glacier, and the lowest values in the outer part of the Krossfjorden. The local maxima of bacterioplankton were observed in water layers around pycnocline. The morphological structure was similar in all samples – the bacte− ria were dominated by rods (over 65%), followed by cocci (16–20%) and vibrios (11–15%).

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