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Volume, abundance and biomass of sediment bacteria in the eastern mid Adriatic Sea

Croatian International Relations Review

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Title Volume, abundance and biomass of sediment bacteria in the eastern mid Adriatic Sea
 
Creator Šestanović, Stefanija
Šolić, Mladen
Krstulović, Nada
Bogner, Danijela
 
Subject bacteria biomass; bacteria abundance; bacteria volume; sediment
 
Description Bacterial abundance, biomass, cell volume, and morphological diversity were studied in sediment samples collected from the coastal area of the eastern mid Adriatic Sea. Samples from
the topmost 10 cm of sediment were taken monthly from January to December 2002. The number of bacteria varied from 3.54 x 109 cells g–1 in July to 8.08 x 109 cells g–1 in September. Biomass was
lowest in May (78 µg C g-1) and highest in December (378 µg C g-1). The volume of the bacteria varied markedly with season, fluctuating from 3.87 x 108 µm3 g-1 in May to 3.12 x 109 µm3 g-1 in
December. Cells with a volume smaller than 0.1 µm3 accounted for the largest number of bacteria (62%) and cocci comprised 93% of these cells. More than 80% of all rod cells had a volume smaller
than 0.5 µm3. The majority of filamentous cells (63%) belonged to the 0.32 µm3 volume class. Rodshaped cells were dominant in terms of volume (45-72%) and biomass (42-72%) and cocci in terms
of abundance (52-70%). Cells smaller than 0.5 µm3 made up 88-94% of the bacteria and 68-84% of the biomass in the summer and 6-44% of the bacteria and and 21-81% biomass in the winter.
 
Publisher Institute of Oceanography and Fisheries
 
Date 2005-12-01
 
Type text
info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
 
Format application/pdf
 
Identifier http://hrcak.srce.hr/88
http://hrcak.srce.hr/file/103
 
Source Acta Adriatica; Vol.46 No.2; ISSN 0001-5113 (Print); ISSN 1846-0453 (Online)
 
Language en
 
Rights info:eu-repo/semantics/openAccess