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LIGHT AND NUTRIENT DEPENDENCE OF PHOTOSYNTHESIS BY ALGAE

LIGHT AND NUTRIENT DEPENDENCE OF PHOTOSYNTHESIS BY ALGAE ABSTRACT The validity of a recent nutrient‐based modal of algal photosynthesis was tested using phosphorus‐limited semi‐continuous cultures of the green alga, Scenedesmus quadricauda. The data suggest that light‐saturate photosynthesis (P opt, mg C · mg chla−1· h−1) is a hyperbolic function of cellular phosphorus quota (Qp), whether Qp is expressed per unit cellular chlorophyll a, per unit dry weight, or per cell number. Furthermore, the light availability during growth appears to have little effect on these hyperbolic relationships over the range of light intensities studied here (65–110 μE · m−2· s−1). These data, and data presented from other published studies, suggest that the cell quota model is a valid empirical description of the photosynthetic behavior of nutrient‐limited cells. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Phycology Wiley

LIGHT AND NUTRIENT DEPENDENCE OF PHOTOSYNTHESIS BY ALGAE

Journal of Phycology , Volume 19 (3) – Sep 1, 1983

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References (38)

Publisher
Wiley
Copyright
Copyright © 1983 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0022-3646
eISSN
1529-8817
DOI
10.1111/j.0022-3646.1983.00306.x
Publisher site
See Article on Publisher Site

Abstract

ABSTRACT The validity of a recent nutrient‐based modal of algal photosynthesis was tested using phosphorus‐limited semi‐continuous cultures of the green alga, Scenedesmus quadricauda. The data suggest that light‐saturate photosynthesis (P opt, mg C · mg chla−1· h−1) is a hyperbolic function of cellular phosphorus quota (Qp), whether Qp is expressed per unit cellular chlorophyll a, per unit dry weight, or per cell number. Furthermore, the light availability during growth appears to have little effect on these hyperbolic relationships over the range of light intensities studied here (65–110 μE · m−2· s−1). These data, and data presented from other published studies, suggest that the cell quota model is a valid empirical description of the photosynthetic behavior of nutrient‐limited cells.

Journal

Journal of PhycologyWiley

Published: Sep 1, 1983

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