Seasonal changes in neutral sugars and amino acids of particulate matter in Lake Nakanuma,Japan |
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| Authors: | Satoshi Miyashita Tatsuo Miyazaki |
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| Affiliation: | (1) Institute of Biological Sciences, The University of Tsukuba, 305 Tsukuba-shi, Ibaraki, Japan;(2) Institute of Biological Sciences, The University of Tsukuba, 305 Tsukuba-shi, Ibaraki, Japan |
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| Abstract: | Amino acids and neutral sugars in particulate matter were measured weekly from April in 1987 to March in 1988 in Lake Nakanuma, Japan. Changes in concentrations of total amino acids and total neutral sugars corresponded to those of chlorophylla. The composition of amino acids varied little seasonally and vertically. On the contrary, the composition of neutral sugars changed seasonally and vertically. We discuss the relationship between the changes in the biochemical components and environmental factors. |
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| Keywords: | amino acids neutral sugars nutrients water temperature phytoplankton |
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