Abstract
Scenedesmus protuberans Fritsch was grown in light-limited continuous cultures with a light-dark cycle, at temperatures of 20° and 28° C. At 20° irradiances of 12 and 38 W m−2 were used, at 28° 38 W m−2.
The relationships between growth rate and light uptake rate were of diphasic linear character. With the lower growth rates the relationships were defined with the parameters μ e , i.e. the specific maintenance rate constant, and c, the “true” efficiency of light energy conversion into biomass. The μ e -value was dependent on temperature, the c on irradiance.
In cultures, incubated in prolonged darkness, decrease rates of biomass were comparable to the derived μ e -values.
Both diphasic linear relationships between growth rate and light uptake rate and the same order of magnitude of μ e -values could be derived from literature data on other green algae.
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Gons, H.J., Mur, L.R. Energy requirements for growth and maintenance of Scenedesmus protuberans Fritsch in light-limited continuous cultures. Arch. Microbiol. 125, 9–17 (1980). https://doi.org/10.1007/BF00403192
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DOI: https://doi.org/10.1007/BF00403192