Sea and Amundsen Gulf
during the peak summer discharge, concomitant with a ~5.5-fold increase in chl a (up to 2.4 μg l−1) and a ~2-fold increase in bacterial abundance (up to 22×105 ml−1). Using FC, two subgroups of viruses and heterotrophic bacteria were defined. A low Available online at www.sciencedirect.com Journal o...
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Online Access: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.512.9607 http://www.ocgy.ubc.ca/~suttle/pubs/payet_suttle_2007.pdf |
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.512.9607 2023-05-15T13:22:55+02:00 Sea and Amundsen Gulf The Pennsylvania State University CiteSeerX Archives application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.512.9607 http://www.ocgy.ubc.ca/~suttle/pubs/payet_suttle_2007.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.512.9607 http://www.ocgy.ubc.ca/~suttle/pubs/payet_suttle_2007.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://www.ocgy.ubc.ca/~suttle/pubs/payet_suttle_2007.pdf text ftciteseerx 2016-01-08T09:44:24Z during the peak summer discharge, concomitant with a ~5.5-fold increase in chl a (up to 2.4 μg l−1) and a ~2-fold increase in bacterial abundance (up to 22×105 ml−1). Using FC, two subgroups of viruses and heterotrophic bacteria were defined. A low Available online at www.sciencedirect.com Journal of Marine Systems xx (2007) xxx–xxx MARSYS-01526; No of Pages 13 www.elsevier.com/locate/jmarsys ARTICLE IN PRESS⁎SYBR-green fluorescence virus subgroup (V2) representing ~71 % of the total viral abundance, was linked to the abundance of high nucleic acid fluorescence (HNA) bacteria (a proxy for bacterial activity), which represented 42 to 72 % of the bacteria in surface layers. A high SYBR-green fluorescence viral subgroup (V1) was more related to high chl a concentrations that occurred in surface waters during spring and at stations near the Mackenzie River plume during the summer discharge. These results suggest that V1 infect phytoplankton, while most V2 are bacteriophages. On the Beaufort Sea shelf, viral abundance displayed seasonal and spatial variations in conjunction with chl a concentration, bacterial abundance and composition, temperature, salinity and depth. The highly dynamic nature of viral abundance and its correlation with increases in chl a concentration and bacterial abundance implies that viruses are important agents of microbial mortality in Arctic shelf waters. Text Amundsen Gulf Arctic Beaufort Sea Mackenzie river Phytoplankton Unknown Arctic Mackenzie River |
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Open Polar |
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Unknown |
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ftciteseerx |
language |
English |
description |
during the peak summer discharge, concomitant with a ~5.5-fold increase in chl a (up to 2.4 μg l−1) and a ~2-fold increase in bacterial abundance (up to 22×105 ml−1). Using FC, two subgroups of viruses and heterotrophic bacteria were defined. A low Available online at www.sciencedirect.com Journal of Marine Systems xx (2007) xxx–xxx MARSYS-01526; No of Pages 13 www.elsevier.com/locate/jmarsys ARTICLE IN PRESS⁎SYBR-green fluorescence virus subgroup (V2) representing ~71 % of the total viral abundance, was linked to the abundance of high nucleic acid fluorescence (HNA) bacteria (a proxy for bacterial activity), which represented 42 to 72 % of the bacteria in surface layers. A high SYBR-green fluorescence viral subgroup (V1) was more related to high chl a concentrations that occurred in surface waters during spring and at stations near the Mackenzie River plume during the summer discharge. These results suggest that V1 infect phytoplankton, while most V2 are bacteriophages. On the Beaufort Sea shelf, viral abundance displayed seasonal and spatial variations in conjunction with chl a concentration, bacterial abundance and composition, temperature, salinity and depth. The highly dynamic nature of viral abundance and its correlation with increases in chl a concentration and bacterial abundance implies that viruses are important agents of microbial mortality in Arctic shelf waters. |
author2 |
The Pennsylvania State University CiteSeerX Archives |
format |
Text |
title |
Sea and Amundsen Gulf |
spellingShingle |
Sea and Amundsen Gulf |
title_short |
Sea and Amundsen Gulf |
title_full |
Sea and Amundsen Gulf |
title_fullStr |
Sea and Amundsen Gulf |
title_full_unstemmed |
Sea and Amundsen Gulf |
title_sort |
sea and amundsen gulf |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.512.9607 http://www.ocgy.ubc.ca/~suttle/pubs/payet_suttle_2007.pdf |
geographic |
Arctic Mackenzie River |
geographic_facet |
Arctic Mackenzie River |
genre |
Amundsen Gulf Arctic Beaufort Sea Mackenzie river Phytoplankton |
genre_facet |
Amundsen Gulf Arctic Beaufort Sea Mackenzie river Phytoplankton |
op_source |
http://www.ocgy.ubc.ca/~suttle/pubs/payet_suttle_2007.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.512.9607 http://www.ocgy.ubc.ca/~suttle/pubs/payet_suttle_2007.pdf |
op_rights |
Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
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1766367936181698560 |