Abstract
In laboratory experiments, the growth characteristics of the submerged species Elodea nuttallii (Planch.) St. John and Potamogeton crispus L. were assessed in the presence and absence of floating mats of Azolla filiculoides Lam. and Lemna minuta Kunth. Light penetration and the development of pH and dissolved oxygen differences were monitored. The growth of P. crispus was suppressed much more than that of E. nuttallii and the effects of A. filiculoides were more severe than those of L. minuta. Findings are related to possible field responses of submerged plants under floating mats, especially their abilities to compensate for the potential suppressive effects of floating mats under natural conditions.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
Arnon, D. L., 1949. Copper enzymes in isolated chlorolasts, Polyphenol oxidase in Beta vulgaris. Plant Physiol. 24: 1–15.
Barko, J. W. & R. M. Smart, 1981. Comparative influences of light and temperature on the growth and metabolism of selected submersed freshwater macrophytes. Ecol. Monogr. 51: 219–235.
Leslie, A. C. & S. M. Walters, 1983. The occurrence of Lemna minuscula Herter in the British Isles. Watsonia 14: 243–248.
Maberley, S. C., 1993. Morphological and photosynthetic characteristics of Potamogeton obtusifolius from different depths. J. Aquat. Plant Mgmt 31: 34–39.
Mackereth, F. J. H., J. Heron & J. F. Talling, 1978. Water analysis: some revised methods for limnologists. Freshwater Biological Association, Ambleside, 120 pp.
Ozimek, T., E. Pieczynska & A. Hankiewicz, 1991. Effects of filamentous algae on submerged macrophyte growth: a laboratory experiment. Aquat. Bot. 41: 309–315.
Pokorny, J. & E. Rejmankova, 1983. Oxygen regime in a fishpond with duckweeds (Lemnaceae) and Ceratophyllum. Aquat. Bot. 17: 125–137.
Sculthorpe, C. D., 1985. The biology of aquatic vascular plants. Second Edition. Koeltz Scientific Books. Kšnigstein, Germany, 610 pp.
Simpson, P S., J. W. Eaton & K. Hardwick, 1980. The influence of environmental factors on apparent photosynthesis and respiration of the submersed macrophyte Elodea canadensis. Plant Cell Envir. 3: 415–423.
Tobiessen, P. & P D. Snow, 1984. Temperature and light effects on the growth of Potamogeton crispus in Collins Lake NYS. Can. J. Bot. 62: 2822–2826.
Zar, J. H., 1984. Biostatistical analyses. Second edition. Prentice Hall International, Inc. Englewood Cliffs, New Jersey, 718 pp.
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Janes, R.A., Eaton, J.W. & Hardwick, K. The effects of floating mats of Azolla filiculoides Lam. and Lemna minuta Kunth on the growth of submerged macrophytes. Hydrobiologia 340, 23–26 (1996). https://doi.org/10.1007/BF00012729
Issue Date:
DOI: https://doi.org/10.1007/BF00012729