Effect of iron on phytoplankton production in the Sargasso Sea |
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| Authors: | DVSubba Rao PA Yeats |
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| Institution: | Biological Oceanography Division, Marine Ecology Laboratory, Bedford Institute of Oceanography, P. O. Box 1006, Dartmouth, N. S., Canada B2Y 4A2;Chemical Oceanography Division, Atlantic Oceanographie Laboratory, Bedford Institute of Oceanography, P.O. Box 1006, Dartmouth, N. S., Canada B2Y 4A2 |
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| Abstract: | Addition of chelated iron at concentrations of 0.5, 1.0, 10 and 100μg Fe·l?1 to Sargasso Sea phytoplankton assemblages did not affect the rate of photosynthesis during 4-h incubation experiments. In experiments with 72-h incubations, however, iron enhanced carbon assimilation. The enhancement was independent of iron concentration. |
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| Keywords: | oligotrophic waters primary production iron enrichment |
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