MARINE SNOW IN ANTARCTIC COASTAL WATERS (17th Symposium on Polar Biology)
Fragile macroscopic aggregates consisting of a matrix of non-living organic material and inhabited by prokaryotic and eukaryotic microorganisms have been reported from many areas of the world's oceans. These aggregates, referred to as marine snow, are sites of enhanced biological activity. The...
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ftnipr:oai:nipr.repo.nii.ac.jp:00005305 2023-05-15T13:46:39+02:00 MARINE SNOW IN ANTARCTIC COASTAL WATERS (17th Symposium on Polar Biology) / ワタナベ ケンタロウ カワチ マサノブ Harvey J. MARCHANT Kentaro WATANABE Masanobu KAWACHI 1996-02 https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=5305 http://id.nii.ac.jp/1291/00005305/ https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=5305&item_no=1&attribute_id=18&file_no=1 en eng Proceeding Australian Antarctic Division, Channel Highway National Institute of Polar Research Marine Biotechnology Institute Co. Ltd. https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=5305 http://id.nii.ac.jp/1291/00005305/ AA10819561 Proceedings of the NIPR Symposium on Polar Biology, 9, 75-83(1996-02) https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=5305&item_no=1&attribute_id=18&file_no=1 Departmental Bulletin Paper P(論文) 1996 ftnipr 2023-02-18T20:11:55Z Fragile macroscopic aggregates consisting of a matrix of non-living organic material and inhabited by prokaryotic and eukaryotic microorganisms have been reported from many areas of the world's oceans. These aggregates, referred to as marine snow, are sites of enhanced biological activity. The abundance of marine snow in Antarctic coastal waters was investigated by using a video camera on a remotely operated vehicle in the 1991/92 summer. In the 1993/94 summer, marine snow was collected by divers in Kita-no-seto Strait near Syowa Station to investigate the species composition of the constituent organisms and their Enrichment Factor (denned as the concentration of organisms in marine snow divided by their concentration in the adjacent water devoid of marine snow). The abundance of marine snow aggregates >1 mm differed widely from <0.1 l^<-1> to >10 l^<-1>. Marine snow collected in mid January 1994 consisted principally of diatoms and mucilage derived from the sea-ice community while the collections made at the end of that month contained much colonial Phaeocystis. The Enrichment Factor was around 10 for bacteria and varied from around 200 to over 600 for eukaryotic protists. The abundance of polysaccharide-containing particles remained approximately constant during January and early February but the size of these particles increased during this time reflecting an increase in the abundance of large colonies of Phaeocystis. Report Antarc* Antarctic Polar Biology Proceedings of the NIPR Symposium on Polar Biology Sea ice National Institute of Polar Research Repository, Japan Antarctic Kita-no-seto ENVELOPE(39.583,39.583,-69.000,-69.000) Syowa Station |
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Open Polar |
collection |
National Institute of Polar Research Repository, Japan |
op_collection_id |
ftnipr |
language |
English |
description |
Fragile macroscopic aggregates consisting of a matrix of non-living organic material and inhabited by prokaryotic and eukaryotic microorganisms have been reported from many areas of the world's oceans. These aggregates, referred to as marine snow, are sites of enhanced biological activity. The abundance of marine snow in Antarctic coastal waters was investigated by using a video camera on a remotely operated vehicle in the 1991/92 summer. In the 1993/94 summer, marine snow was collected by divers in Kita-no-seto Strait near Syowa Station to investigate the species composition of the constituent organisms and their Enrichment Factor (denned as the concentration of organisms in marine snow divided by their concentration in the adjacent water devoid of marine snow). The abundance of marine snow aggregates >1 mm differed widely from <0.1 l^<-1> to >10 l^<-1>. Marine snow collected in mid January 1994 consisted principally of diatoms and mucilage derived from the sea-ice community while the collections made at the end of that month contained much colonial Phaeocystis. The Enrichment Factor was around 10 for bacteria and varied from around 200 to over 600 for eukaryotic protists. The abundance of polysaccharide-containing particles remained approximately constant during January and early February but the size of these particles increased during this time reflecting an increase in the abundance of large colonies of Phaeocystis. |
format |
Report |
author |
/ ワタナベ ケンタロウ カワチ マサノブ Harvey J. MARCHANT Kentaro WATANABE Masanobu KAWACHI |
spellingShingle |
/ ワタナベ ケンタロウ カワチ マサノブ Harvey J. MARCHANT Kentaro WATANABE Masanobu KAWACHI MARINE SNOW IN ANTARCTIC COASTAL WATERS (17th Symposium on Polar Biology) |
author_facet |
/ ワタナベ ケンタロウ カワチ マサノブ Harvey J. MARCHANT Kentaro WATANABE Masanobu KAWACHI |
author_sort |
/ ワタナベ ケンタロウ |
title |
MARINE SNOW IN ANTARCTIC COASTAL WATERS (17th Symposium on Polar Biology) |
title_short |
MARINE SNOW IN ANTARCTIC COASTAL WATERS (17th Symposium on Polar Biology) |
title_full |
MARINE SNOW IN ANTARCTIC COASTAL WATERS (17th Symposium on Polar Biology) |
title_fullStr |
MARINE SNOW IN ANTARCTIC COASTAL WATERS (17th Symposium on Polar Biology) |
title_full_unstemmed |
MARINE SNOW IN ANTARCTIC COASTAL WATERS (17th Symposium on Polar Biology) |
title_sort |
marine snow in antarctic coastal waters (17th symposium on polar biology) |
publisher |
Proceeding |
publishDate |
1996 |
url |
https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=5305 http://id.nii.ac.jp/1291/00005305/ https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=5305&item_no=1&attribute_id=18&file_no=1 |
long_lat |
ENVELOPE(39.583,39.583,-69.000,-69.000) |
geographic |
Antarctic Kita-no-seto Syowa Station |
geographic_facet |
Antarctic Kita-no-seto Syowa Station |
genre |
Antarc* Antarctic Polar Biology Proceedings of the NIPR Symposium on Polar Biology Sea ice |
genre_facet |
Antarc* Antarctic Polar Biology Proceedings of the NIPR Symposium on Polar Biology Sea ice |
op_relation |
https://nipr.repo.nii.ac.jp/?action=repository_uri&item_id=5305 http://id.nii.ac.jp/1291/00005305/ AA10819561 Proceedings of the NIPR Symposium on Polar Biology, 9, 75-83(1996-02) https://nipr.repo.nii.ac.jp/?action=repository_action_common_download&item_id=5305&item_no=1&attribute_id=18&file_no=1 |
_version_ |
1766244928682196992 |