Shokubutsugaku Zasshi
Online ISSN : 2185-3835
Print ISSN : 0006-808X
ISSN-L : 0006-808X
Dark Fixation of CO2 in the Lake with Special Reference to Organic Matter Production
Masayuki TAKAHASHIYukuya YAMAGUCHIShun-ei ICHIMURA
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1970 Volume 83 Issue 990 Pages 397-410

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Abstract

The dark fixation of CO2 in lakes with different trophic types was investigated. Non-photosynthetic CO2 assimilation by phytoplankton was negligibly small compared with photosynthetic assimilation. High activities of dark fixation of CO2 were observed in meromictic lakes and stagnant waters, where the dark CO2 fixation occupied 10-40% of total photosynthetic production. This can be attributed to the bacterial biosynthetic action. An importance of the dark fixation of CO2 in trophic dynamics was discussed.

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© The Botanical Society of Japan
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