Abstract
My studies on metabolism of organic matter in aquatic environments first involved research on the sedimentation process of organic matter in lacustrine environments. Subsequently, measurements of primary production in lake and sea water were undertaken to know the organic substance supply into the metabolism. After establishing the routine technique of productivity measurement in aquatic environment, the primary production and the photosynthetic characteristics in waters in the northwestern Pacific, the western Indian Ocean and the Antarctic Sea were studied. Following the development of new methods to determine the organic substances in the dissolved and particulate forms and chlorophyll pigment in seawater, their distributions both horizontal and vertical directions were determined. And I have had interest in the mechanism producing a subsurface chlorophyll maximum in the ocean.
Recently, my major interest has been directed to the coastal waters. The nitrogen cycle was studied in oyster beds and the research on eutrophication processes in a shallow bay is being carried out from the aspect of production and decomposition of organic matter.
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Saijo, Y. Biogeochemical studies in the sea. Journal of the Oceanographical Society of Japan 33, 290–296 (1977). https://doi.org/10.1007/BF02109648
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DOI: https://doi.org/10.1007/BF02109648