References
- Ahlgren, I., 1967: Limnological studies of Lake Norrviken, a eutrophicated Swedish lake. — Schweiz. Z. Hydrol. 29: 53–90.
- Ahlgren, I., Ahlgren, G. & Ul´n, B., 1976: Limnologiska undersökningar i Norrviken, Edsjön och Oxundasjön. — Medd. nr 19. Inst. Limn. Uppsala.
- Boström, B. & Pettersson, K., 1977: The spring development of phytoplankton in Lake Erken. — Freshw. Biol. 7: 327–335.
- Coveney, M. F., Cronberg, G. & Enell, M., 1979: Bysjöprojektet. Samband mellan bakterier, fyto- och Zooplankton. — Inst. Limn. Lund.
- Cronberg, G., 1980: Phytoplankton changes in Lake Trummen induced by restoration. — Inst. Limn. Lund.
- Dillon, P. J. & Rigler, F. H., 1974: The phosphorus-chlorophyll relationship in lakes. — Limnol. Oceanogr. 19: 767–773.
- Eloranta, P., 1980: Winter phytoplankton in a pond warmed by thermal power station. — Ann. Bot. Fennici 17: 264–275.
- Håkansson, L., 1978: Optimimization of lake hydrographic surveys. — Wat. Resour. Res. 14 (4): 545–560.
- Holmgren, S., 1983: Phytoplankton biomass and algal composition in natural fertilized and polluted subarctic lakes. — Acta Univ. Upsaliensis 674. Uppsala.
- Huber-Pestalozzi, G., 1938: Das Phytoplankton des Süßwassers, Systematik und Biologie. — Die Binnengewässer 16, 1. Teil. Stuttgart.
- Kalff, J., Kling, H. J., Holmgren, S. K. & Welch, H. E., 1975: Phytoplankton, phytoplankton growth and biomass cycles in an unpolluted and in a polluted polar lake. — Verh. Internat. Verein. Limnol. 19: 487–495.
- Lecewitcz, W., Sokolowska, W. & Wojciechowski, I., 1973: The changes of winter phytoplankton in relation to the light climate in the lakes with various trophy. — Ecol. Polska 21 (13): 193–208.
- Maeda, O. & Ichimura, S.-E., 1973: On the high density of a phytoplankton population found in a lake under ice. — Int. Rev. ges. Hydrobiol. 58: 673–685.
- Naumann, E., 1912: Bidrag till kännedomen om vegetationsfärgningar i sötvatten. I. Några anmärkningar till begreppet vegetationsfärgning. — Bot. Not.: 209–222.
- Nauwerck, A., 1963: Die Beziehungen zwischen Zooplankton und Phytoplankton im See Erken. — Symb. Bot. Uppsal. 17: 1–163.
- Palmer, C. M., 1962: Algae in water supplies. — Public health service publ. 657. Washington.
- Pechlaner, R., 1971: Factors that control the production rate and biomass of phytoplankton in high-mountain lakes. — Mitt. Internat. Verein. Limnol. 19: 125–145.
- Reynolds, C. S. & Walsby, A. E., 1975: Waterblooms. — Biol. Rev. 50: 437–481.
- Ripl, W. & Lundqvist, I., 1977: Förslag till restaurering av sjöar inom Stockholms kommun. — Inst. Limn. Lund.
- Rodhe, W., 1955: Can plankton production proceed during winter darkness in subarctic lakes? — Verh. Internat. Verein. Limnol. 12: 117–122.
- Round, F. E., 1971: The growth and succession of algal populations in freshwaters. — Mitt. Internat Verein. Limnol. 19: 70–99.
- Round, F. E. 1981: The ecology of algae. — Cambridge University Press.
- Skuja, H., 1956: Taxonomische und biologische Studien über das Phytoplankton schwedischer Binnengewässer. — Nova Acta Reg. Soc. Sci. Upsal., Serie IV, 16: 387–390.
- Skulberg, O. M., 1978: Some observations on red-coloured species of Oscillatoria (Cyanophyceae) in nutrient-enriched lakes of southern Norway. — Verh. Internat Verein. Limnol. 20: 776–787.
- Talling, J. F., 1957: The phytoplankton population as a compound photosynthetic system. — New Phytol 56: 133–149.
- Talling, J. F. 1962: Freshwater algae. — In: Lewin, R. A. (ed.), Physiology and biochemistry of algae: 743–757. Acad. Press, New York.
- Teiling, E., 1944: Våra viktigaste fytoplankter. — Medlemsblad för biologilärarnas förening, Nr. 1-2-3.
- Tilzer, M. & Schwarz, K., 1976: Seasonal and vertical patterns of phytoplankton light adaptation in a high mountain lake. — Arch. Hydrobiol. 77: 488–504.
- Tirén, T., 1982: The impact of water exchanges and sediment on the water quality in a shallow eu- trophic lake. — In: Broberg, A. & Tirén, T. (eds.), 9th Nordic Sympos. on Sediments. Inst. Limn. Uppsala.
- De Val, G., 1983: Rapport från växtplanktonundersökning i 15 Åtvidabergssjöar Februari—Maj 1983. — Åtvidabergs kommun.
- Widell, A., 1970: Närsalterna i sjön Erken sommaren 1965. — Scripta Limn. Upsal. 250: 24 pp.
- Willén, T., 1974: Vattenförorening och växtplankton. — Memoranda Soc. Fauna Flora Fennica 50:67–79.
- Willén, T. 1983: Lilla Ullfjärden — en sjöbeskrivning. — SNV, Vattenlaboratoriet, Uppsala, preprint.
- Wright, R. T., 1964: Dynamics of a phytoplankton community in an ice-covered lake. — Limnol. Oceanogr. 9: 163–178.