Seasonal fluctuation of bacterial numbers near the Antarctic continent
cells/ml) during the winter period but rose to between 2. 5 ~ 105 and 8.0X 106cells/ ml, depending on depth, in October, when considerable amounts of detrital material I were present in water column and available for heterotrophic activity. A significant decrease in bacterial numbers occurred in ear...
Main Authors: | , , |
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Other Authors: | |
Format: | Text |
Language: | English |
Published: |
1990
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Online Access: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.577.5158 http://polaris.nipr.ac.jp/~penguin/polarbiosci/issues/pdf/1990-Gibson.pdf |
Summary: | cells/ml) during the winter period but rose to between 2. 5 ~ 105 and 8.0X 106cells/ ml, depending on depth, in October, when considerable amounts of detrital material I were present in water column and available for heterotrophic activity. A significant decrease in bacterial numbers occurred in early December to <0.5x lO~cells/ml. but recovered later in December to> 5 x lO~cells/m/: the increase in numbers oc-curred at the same time as a bloom of the alga Phaeocyitis poiichetii. The greatest population of bacteria (> 1 X lo6 cells/m/) was recorded in January, by which time the algal bloom was decreasing. 1. |
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