References
- Adams, M. S. & Mccracken, M. D., 1974: Seasonal production of the Myriophyllum component of the littoral of Lake Wingra, Wisconsin. — J. Ecol. 62: 457–465.
- Allen, H. L., 1971: Primary productivity, chemo-organotrophy, and nutritional interactions of epiphytic algae and bacteria on macrophytes in the littoral of a lake. — Ecol. Monogr. 41: 97–127.
- Davies, G. S., 1970: Productivity of macrophytes in Marion Lake, British Columbia. — J. Fish. Res. Bd. Can. 27: 71–81.
- Eriksson, F., 1973: Makrofyterna och deras produktion i sjön Vitalampa. — Scripta Limnol. Upsal. 346.
- Eriksson, F., Johansson, J.-Å., Mossberg, P., Nyberg, P., Olofsson, H. & Ramberg, L., 1974: Ekosystems struktur i sjön Vitalampa. — Scripta Limnol. Upsal. 370.
- Goldman, C. R., Steemann Nielsen, E., Vollenweider, R. A. & Wetzel, R. G., 1969: The 14C light and dark bottle technique. — In: R. A. Vollenweider, A Manual on Methods for Measuring Primary Production in Aquatic Environments. IBP Handbook 12: 70–73. Blackwell, Oxford.
- Hargrave, B. T., 1969: Epibenthic algal production and community respiration in the sediments of Marion Lake. — J. Fish. Res. Bd. Can. 26: 2003–2026.
- Hickman, M., 1971: The standing crop and primary productivity of the epiphyton attached to Equisetum fluviatile L. in Priddy Pool, North Somerset. — Br. phycol. J. 6: 51–59.
- Jordan, M. & Likens, G. E., 1975: An organic carbon budget for an oligotrophic lake in New Hampshire, U. S. A. — Verh. Internat. Verein. Limnol. 19: 994–1003.
- Krogh, A. & Rehberg, P. B., 1931: CO2-Bestimmungen in Flüssigkeiten und Geweben durch Mikrotitration. — Biochem. Z. 225: 177–182.
- McCracken, M. D., Gustafson, T. D. & Adams, M. S., 1974: Productivity of Oedogonium in Lake Wingra, Wisconcin. — Amer. Midi. Nat. 92: 247–254.
- Moeller, R. E., 1975: Hydrophyte biomass and community structure in a small, oligotrophic New Hampshire lake. — Verh. Internat. Verein. Limnol. 19: 1004–1012.
- Rich, P. H., Wetzel, R. G. & Thuy, N. V., 1971: Distribution, production and role of aquatic macrophytes in a southern Michigan marl lake. — Freshwat. Biol. 1: 3–21.
- Sand-Jensen, K. & SØNdergaard, M., 1978 a: Distribution and quantitative development of aquatic macrophytes in relation to sediment characteristics in oligotrophic Lake Kalgaard, Denmark. — Freshwat. Biol., in press.
- Sand-Jensen, K. & SØNdergaard, M., 1978 b: Growth and production of Isoetids in oligotrophic Lake Kalgaard, Denmark. — Verh. Internat. Verein. Limnol 20: 659–666..
- Schindler, D. W., Frost, V. E. & Schmidt, R. V., 1973: Production of epilithiphyton in two lakes of the experimental lakes area, northwestern Ontario. — J. Fish. Res. Bd. Can. 30: 1511–1524.
- Søndergaard, M. & Sand-Jensen, K., 1978: Physico-chemical environment and phytoplankton production in oligotrophic Lake Kalgaard, Denmark. — In manuscript.
- Westlake, D. F., 1965: Some basic data for investigations of the productivity of aquatic macrophytes. — Mem. 1st. Ital. Idrobiol. Suppl. 18: 229–248.
- Wetzel, R. G., 1964: A comparative study of the primary productivity of higher aquatic plants, periphyton and phytoplankton in a large, shallow lake. — Int. Rev. ges. Hydrobiol. 49: 1–61.
- Wetzel, R. G., 1969: The enclosure of macrophyte communities. — In: R. A. Vollenweider, A Manual on Methods for Measuring Primary Production in Aquatic Environments. IBP Handbook 12: 81–87. Blackwell, Oxford. — 1975: Limnology. — Saunders, Philadelphia, 743 pp.