水圏における窒素固定に関する微生物学的研究-VII. : 窒素固定細菌の二,三の生態学的性質について

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In connection with nitrogen fixation in aquatic environments, some ecological aspects of nitrogen fixing bacteria have been studied. In various water regions, a close relationship between the number of anaerobic nitrogen fixing bacteria and that of nitrate reducing bacteria or denitrifying bacteria was observed. Considerable numbers of nitrogen fixing bacteria occured not in free form but attached on to or in suspended particles in the water. Besides nitrogen fixing bacteria, the groups of the bacteria in the nitrogen cycle form a peculiar pattern of the microflora, which was illustrated as a diagram. The diagram obtained for the bottom sediments of open seas and the bays in which offshore waters flow was clearly different from that of eutrophized fresh water regions.
公益社団法人日本水産学会の論文