References
- Arndt, H. & Mathes, J., 1991: Large heterotrophic flagellates form a significant part of protozooplankton biomass in lakes and rivers. — Ophelia 33: 225–234.
- Aykulu, G., 1978: A quantitative study of the phytoplankton of the River Avon, Bristol. — Br. Phycol. J. 13: 91–102.
- Berman, T. & Kaplan, B., 1984: Respiration of Lake Kinneret micro-plankton measured by carbon loss in the dark. — Arch. Hydrobiol./Beih. Ergebn. Limnol. 19: 157–162.
- Jassby, A. D. & Goldman, C. R., 1974: Loss rates from a lake phytoplankton community. — Limnol. Oceanogr. 19: 618–627.
- Köhler, J., Nixdorf, B. & Hoeg, S., 1993: Lake Müggelsee and the inflowing River Spree: comparison of phytoplankton communities 1980–1990. Int. Revueges. Hydrobiol. 78: 345–358.
- Meffert, M. E., 1989: Planktic unsheathed filaments (Cyanophyceae) with polar and central gas vacuoles. II. Biology, population dynamics, and biotopes of Limnothrix redekei (van Goor) Meffert. — Arch. Hydrobiol. 116: 257–282.
- Neale, P. J., Heaney, S. I. & Jaworski, G. H. M., 1991: Responses of high irradiance contribute to the decline of the spring diatom maximum. — Limnol. Oceanogr. 36: 761–768.
- Nixdorf, B. & Behrendt, H., 1991: Discrepancies between O2- and 14C-method resulting from measurements of primary production under consideration of vertical mixing in a shallow eutrophic lake. — Verh. Internat. Verein. Limnol. 24: 1268–1271.
- Reynolds, C. S., Harris, G. P. & Gouldney, D. N., 1985: Comparison of carbon-specific growth rates and rates of cellular increase of phytoplankton in large enclosures. — J. Plankton Res. 7: 791–820.
- Ruhrverband, 1990: Ruhrwassergüte 1989: 146 pp. — Essen.
- Sommer, U., Gltwicz, Z. M., Lampert, W. & Duncan, A., 1986: The PEG-model of seasonal succession of planktonic events in fresh waters. — Arch. Hydrobiol. 106: 433–471.
- Talling, J. F., 1984: Past and contemporary trends and attitudes in work on primary productivity. — J. Plankton Res. 6: 203–217.
- Talling, J. F. & Rzoska, J., 1967: The development of plankton in relation to hydrological regime in the Blue Nile. — J. Ecol. 55: 637–662.
- Tilzer, M., 1984: Estimation of phytoplankton loss rates from daily photosynthetic rates and observed biomass changes in Lake Constance. — J. Plankton Res. 6: 309–324.
- Utermöhl, H., 1958: Zur Vervollkommnung der quantitativen Phytoplankton-Methodik. — Mitt. Intern. Verein. Limnol. 9: 1–38.
- Whitehead, P. G. & Hornberger, G. M., 1984: Modelling algal behaviour in the River Thames. — Water Res. 18: 945–953.
- Williams, L. G., 1972: Plankton diatom species biomasses and the quality of American rivers and the Great Lakes. — Ecolog 53: 1038–1050.