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SIL Proceedings, 1922-2010
Internationale Vereinigung für Theoretische und Angewandte Limnologie: Verhandlungen
Volume 28, 2002 - Issue 1
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Original Articles

Diel fluctuations of phosphatase and nitrate reductase activities in vitro and in situ in the Vaal River (South Africa)

Pages 290-294 | Published online: 01 Dec 2017

References

  • Aparicio, P. J. & Quiñones, M. A., 1991: Blue light, a positive switch signal for nitrate and nitrite uptake by the green alga Monoraphidium braunii. — Plant Physiol. 95: 374–378.
  • Berman, T., 1970: Alkaline phosphatase and phosphorus availability in Lake Kinneret. — Limnol. Oceanogr. 24: 541–547.
  • Berman, T., Wynne, D. & Kaplan, B., 1990: Phosphatases revisited: analysis of particle-associated enzyme activities in aquatic systems. — Hydrobiologia 207: 287–294.
  • Elser, J. J., Elser, M. M. & Carpenter, S. R., 1986: Size fractionation of algal chlorophyll, carbon fixation and phosphatase activity: relationships with species-specific size distributions and zooplankton community structure. — J. Plankton Res. 8(2): 365–383.
  • Hochman, A., Nissany, A., Wynne, D., Kaplan, B. & Berman, T., 1986: Nitrate reductase: an improved assay method for phytoplankton. — J. Plankton Res. 8: 385–392.
  • Jansson, M., Olsson, H. & Pettersson, K., 1988: Phosphatases; origin, characteristics and function in lakes. — Hydrobiologia 170: 157–175.
  • Klotz, R. L., 1985: Influence of light on the alkaline phosphatase activity of Selenastrum capricornutum (Chloro-phyceae) in streams. — Can. J. Aquat. Sci. 42: 384–388.
  • Kruger, G. H. J., 1978: The effect of physico-chemical factors on the growth relevant to the mass culture of Microsystis under sterile conditions. Ph. D. thesis, University of the Orange Free State, Bloemfontein, South Africa.
  • Kruskopf, M. M., Du Plessis, S. & Pieterse, A. J. H., 2002: High acid and alkaline phosphatase activities in phytoplankton from a eutrophied South African River. — Verh. Internat. Verein. Limnol. 28: 283–289.
  • Pieterse, A. J. H. & Roos, J. C., 1992: Diurnal variations in the Vaal, a turbid South African river: Physical, chemical and phytoplankton biomass characteristics. — Water SA 18: 21–26.
  • Pieterse, A. J. H. & Janse Van Vuuren, S., 1997: An investigation into phytoplankton blooms in the Vaal River and the environmental variables responsible for their development and decline. — Water Research Commission (SA) report No 359/1/97.
  • Rivkin, R. B. & Swift, E., 1979: Diel and vertical patterns of alkaline phosphatase activity in the oceanic dinoflagellate Pyrocyctis noctiluca. — Limnol. Oceanogr. 24: 107–116.
  • Stewart, A. J. & Wetzel, R. G., 1982: Phytoplankton contribution to alkaline phosphatase activity. — Arch. Hydrobiol. 93: 265–271.
  • Venter, A., 2000: The physiological characteristics of Oscillatoria simplicissima. Ph.D. thesis, Potchefstroom University for Christian Higher Education, Potchefstroom, South Africa.
  • Vollenweider, R. A., 1969: A Manual on Methods for Measuring Primary Production in Aqtiatic Environments. IBP Handbook 12 — Blackwell Scientific Publications, Oxford 4–127.
  • Watt, D., Amory, A. M. & Cresswell, C. F., 1991: Effect of nitrogen supply on the kinetics and regulation of Nitrate assimilation in Chlamydomonas reinhardtii Dangeard. — J. Exp. Bot. 43(250): 605–615.
  • Wynne, D., 1977: Alterations in activity of phosphatases during the Peridinium bloom in Lake Kinneret. — Physiol. Plant. 40: 219–224.

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