ワカメの生態に関する研究-III : 光合成量に及ぼす光と温度の影響について(その1)

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概要

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• The rate of photosynthesis of Undaria pinnatifida was measured by the quantity of oxygen evolved from the materials which were kept in various conditions concerning light-intensity and water-temperature. Results obtained may be summarized as follows:- (1) The photosynthesic rate was accelerated with the increase of light-intensity, and reached to a maximum at a intensity correlating to the water-temperature; i.e. at 10-15°C at 20, 000 lux and at 5°C at 30, 000-35, 000 lux. (2) Under a definite illumination the photosynthesic rate was accelerated with a rise of water temperature, and the highest value was usually observed at 20°C, but the rate decreased at 25°C. The ratio increased with rise of water-temperature was more gradually under 30, 000 lux than under less light-intensity.

著者

• 斎藤 雄之助

  東京大学農学部水産実験所

関連論文

• ワカメの生態に関する研究-IV : 着生胞子,配偶体,芽胞体におよぼす露出の影響について
• ワカメの生態に関する研究-III : 光合成量に及ぼす光と温度の影響について(その1)

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