Abstract
The photosynthesis of plankton sampled from the eutrophic Lake Loosdrecht was studied in Laboratory Scale Enclosures (LSEs) with regard to the rate of mixing. First, two LSEs were operated at different mixing rates. No significant differences in photosynthetic performance were found, with the exception of a depressed photosynthesis in the afternoon in the LSE which had a low mixing rate. Secondly, when mixing was stopped, the phytoplankton which stayed in the dark due to the steep light gradient in the LSE responded by changing its maximal photosynthetic capacity. The results show that the filamentous cyanobacteria in the lake can respond rapidly to changes in the depth of the mixed layer by altering their photosynthetic performance.
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© 1992 Kluwer Academic Publishers
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Kromkamp, J., Schanz, F., Rijkeboer, M., Berdalet, E., Kim, B., Gons, H.J. (1992). Influence of the mixing regime on algal photosynthetic performance in laboratory scale enclosures. In: Berman, T., Gons, H.J., Mur, L.R. (eds) The Daily Growth Cycle of Phytoplankton. Developments in Hydrobiology, vol 76. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-2805-6_9
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DOI: https://doi.org/10.1007/978-94-011-2805-6_9
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