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Fluorescence and the Light/Nutrient Interaction in Monochrysis

Published online by Cambridge University Press:  11 May 2009

M. R. Droop
M. R. Droop
Affiliation:
Scottish Marine Biological Association, Dunstaflnage Marine Research Laboratory, P.O. Box 3, Oban, Scotland PA34 4AD
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Extract

The observed diminution in photosynthetic efficiency upon vitamin B12 limitation in Monochrysis indicates that nutrient limitation may profoundly influence the photosynthetic status of a natural population and must therefore be taken into account in productivity studies (Droop et al. 1982). It also suggests that photosynthetic efficiency could be used as a criterion between nutrient and light control of growth in natural populations. However, measurement of photosynthetic efficiency is cumbersome under field conditions and it would be advantageous if some other associated variable more quickly measured, such as, e.g. in vivo chlorophyll a fluorescence, could be used as a reliable indicator.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 65 , Issue 1 , February 1985 , pp. 221 - 237
Copyright
Copyright © Marine Biological Association of the United Kingdom 1985

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