Vertical Succession of Attached Bacteria and Its Relationship to the Distribution of Organic Matter in Seawater

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概要

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• Vertical change of the heterotrophic bacterial community attached to particulate organic matter (POM) was studied in relation to the distribution of POM in the neritic sea of Japan. The analysis of bacterial community was performed by dividing the isolates into five groups : Vibrio (V), Pseudomonas-Alcaligenes (Ps), Acinetobacter-Moraxella (Ac), Chromogenic (C) and Gram-positive (Po) groups. The community structure of attached bacteria was quite different from that of free-living in the ambient seawater. In the water column, the community of attached bacteria showed the distinct vertical succession, which was : Ps→V→(Ps+Ac)→(Ac+C)→Ps. The attached bacteria in the layers where the decomposition of POM proceeded actively had high substrate-decomposing activity, whereas in the deeper layers with limited supply of the "fresh" POM the activity was low. These results suggest that the community of attached bacteria showed the vertical succession with the proceeding of POM decomposition from the community with a high biochemical activity to a low activity, as associated with the change of genera.

• 日本微生物生態学会の論文
• 1986-08-10

著者

• Fukami Kimio

  Ocean Research Institute University Of Tokyo:(present Address)department Of Fisheries Faculty Of Agr

• Fukami Kimio

  Ocean Research Institute University Of Tokyo

• Simidu Usio

  Ocean Research Institute University Of Tokyo

• Taga Nobuo

  Ocean Research Institute University Of Tokyo

関連論文

• Abundance and production of bacterioplankton in the Antarctic
• Heterotrophic bacterial flora of the Antarctic Ocean
• Decomposition of chitin by the Antarctic bacteria (extended abstract)
• Vertical Succession of Attached Bacteria and Its Relationship to the Distribution of Organic Matter in Seawater
• Succession of Ciliated Protozoa on the Solid Surfaces of Substrata in Seawater
• Distribution of Vibrionaceae in the Sea

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