Assessment of viability in the bacterial standing stock of the Antarctic Sea from the Indian side
During the austral summer, the bacterial population along the cruise track extending from 70 degrees S and 18 degrees E to 30 degrees S and 35 degrees E are examined. During the cruise, three distinct fractions of the bacterioplankton viz. total count, total direct viable and retrievable counts were...
Main Authors: | , , , |
---|---|
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Ifremer/ CNRS/ IRD/ Editions scientifiques et medicales Elsevier SAS. Tous droits reserves
2001
|
Subjects: | |
Online Access: | http://drs.nio.org/drs/handle/2264/1525 |
id |
ftnio:oai:dsr.nio.org:2264/1525 |
---|---|
record_format |
openpolar |
spelling |
ftnio:oai:dsr.nio.org:2264/1525 2023-05-15T13:59:28+02:00 Assessment of viability in the bacterial standing stock of the Antarctic Sea from the Indian side LokaBharathi, P.A. Nair, S. DeSouza, M.J.B.D. Chandramohan, D. 2001 http://drs.nio.org/drs/handle/2264/1525 en eng Ifremer/ CNRS/ IRD/ Editions scientifiques et medicales Elsevier SAS. Tous droits reserves Copyright [2001]. All efforts have been made to respect the copyright to the best of our knowledge. Inadvertent omissions, if brought to our notice, stand for correction and withdrawal of document from this repository. population number microorganisms abundance nannoplankton chlorophylls primary production Journal Article 2001 ftnio 2012-08-25T20:05:34Z During the austral summer, the bacterial population along the cruise track extending from 70 degrees S and 18 degrees E to 30 degrees S and 35 degrees E are examined. During the cruise, three distinct fractions of the bacterioplankton viz. total count, total direct viable and retrievable counts were simultaneously enumerated in these waters. In the stations south of the convergent region designated as section 1 the population ranged within 10 sup(8-9) L sup(-1) whereas in the north of the region designated as section 2 they were one order higher and ranged from 10 sup(9-10) L sup(-1). The percentage of viability in the region was high corresponding to the generally high chlorophyll and primary productivity encountered in the eastern Agulhas bank. The study substantiates the hypothesis that in the Antarctic, not only the bacterial standing stock but also the active population of bacterioplankton (ca. 50%) are almost equal in abundance to those in the other oceanic or coastal regions. The viable fraction forms a hitherto unreported significant component of these waters Article in Journal/Newspaper Antarc* Antarctic National Institute of Oceanography, India: Digital Repository Service (DRS@nio) Antarctic The Antarctic Austral Indian |
institution |
Open Polar |
collection |
National Institute of Oceanography, India: Digital Repository Service (DRS@nio) |
op_collection_id |
ftnio |
language |
English |
topic |
population number microorganisms abundance nannoplankton chlorophylls primary production |
spellingShingle |
population number microorganisms abundance nannoplankton chlorophylls primary production LokaBharathi, P.A. Nair, S. DeSouza, M.J.B.D. Chandramohan, D. Assessment of viability in the bacterial standing stock of the Antarctic Sea from the Indian side |
topic_facet |
population number microorganisms abundance nannoplankton chlorophylls primary production |
description |
During the austral summer, the bacterial population along the cruise track extending from 70 degrees S and 18 degrees E to 30 degrees S and 35 degrees E are examined. During the cruise, three distinct fractions of the bacterioplankton viz. total count, total direct viable and retrievable counts were simultaneously enumerated in these waters. In the stations south of the convergent region designated as section 1 the population ranged within 10 sup(8-9) L sup(-1) whereas in the north of the region designated as section 2 they were one order higher and ranged from 10 sup(9-10) L sup(-1). The percentage of viability in the region was high corresponding to the generally high chlorophyll and primary productivity encountered in the eastern Agulhas bank. The study substantiates the hypothesis that in the Antarctic, not only the bacterial standing stock but also the active population of bacterioplankton (ca. 50%) are almost equal in abundance to those in the other oceanic or coastal regions. The viable fraction forms a hitherto unreported significant component of these waters |
format |
Article in Journal/Newspaper |
author |
LokaBharathi, P.A. Nair, S. DeSouza, M.J.B.D. Chandramohan, D. |
author_facet |
LokaBharathi, P.A. Nair, S. DeSouza, M.J.B.D. Chandramohan, D. |
author_sort |
LokaBharathi, P.A. |
title |
Assessment of viability in the bacterial standing stock of the Antarctic Sea from the Indian side |
title_short |
Assessment of viability in the bacterial standing stock of the Antarctic Sea from the Indian side |
title_full |
Assessment of viability in the bacterial standing stock of the Antarctic Sea from the Indian side |
title_fullStr |
Assessment of viability in the bacterial standing stock of the Antarctic Sea from the Indian side |
title_full_unstemmed |
Assessment of viability in the bacterial standing stock of the Antarctic Sea from the Indian side |
title_sort |
assessment of viability in the bacterial standing stock of the antarctic sea from the indian side |
publisher |
Ifremer/ CNRS/ IRD/ Editions scientifiques et medicales Elsevier SAS. Tous droits reserves |
publishDate |
2001 |
url |
http://drs.nio.org/drs/handle/2264/1525 |
geographic |
Antarctic The Antarctic Austral Indian |
geographic_facet |
Antarctic The Antarctic Austral Indian |
genre |
Antarc* Antarctic |
genre_facet |
Antarc* Antarctic |
op_rights |
Copyright [2001]. All efforts have been made to respect the copyright to the best of our knowledge. Inadvertent omissions, if brought to our notice, stand for correction and withdrawal of document from this repository. |
_version_ |
1766268019779043328 |