Life history and production rate of Ephemera strigata (Ephemeroptera)
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概要
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1. Samples of <I>Ephemera strigata</I> larvae were taken monthly from May 1967 to June 1968 in the River Niu-gawa, Nara Prefecture to determine the production rate.<BR>2. <I>Ephemera strigata</I> has one generation in a year.<BR>3. The production rate was calculated after the formula proposed by Ricker (1946) and Allen (1949), B=KP. The rate was found to be ca. 4.25g/m<SUP>2</SUP> in the pool of the river. The yearly turnover rate is 2.4.
- 日本陸水学会の論文
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