Interacting effects of light,temperature, and nutrients on C-14 uptake of oscillatoria rubescens de candolle |
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| Authors: | John Schmitt John H. Olive |
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| Affiliation: | (1) Department of Biology, The University of Akron, 44325 Akron, Ohio |
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| Abstract: | The rate of C14O2 uptake in a bacterized isolate of Oscillatoria rubescens indicates that within the ranges studied temperature caused the greatest variation followed by light intensity and nutrient concentration. The variation within interaction effects of light, temperature, and nutrients was higher than that within any other combination of interactions. High temperatures (25°C) shifted the light optimum of O. rubescens growing in low to moderate nutrient levels from 1950 lux to 800 lux. |
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| Keywords: | Oscillatoria rubescens D.C. C14O2 uptake phytoplankton photosynthesis light temperature nutrient interactions |
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