Wave exposure related growth of epiphyton : implications for the distribution of submerged macrophytes in eutrophic lakes

Samples of submerged macrophytes and their associated epiphytic algae were taken from wave exposure gradients in 3 eutrophic Swedish lakes. Submerged macrophyte biomass increased with wave exposure and then abruptly disappeared at high exposure. Associated epiphytic algae decreased with wave exposur...

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Bibliographic Details
Published in:Hydrobiologia 1996, Vol.325 (2), p.113-119
Main Authors: STRAND, J. A, WEISNER, S. E. B
Format: Article
Language:English
Subjects:
Animal and plant ecology
Animal, plant and microbial ecology
Biological and medical sciences
distribution
epiphyton
eutrophic lakes
Fresh water ecosystems
Freshwater
Fundamental and applied biological sciences. Psychology
Potamogeton pectinatus
production
submerged macrophytes
Synecology
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Summary:Samples of submerged macrophytes and their associated epiphytic algae were taken from wave exposure gradients in 3 eutrophic Swedish lakes. Submerged macrophyte biomass increased with wave exposure and then abruptly disappeared at high exposure. Associated epiphytic algae decreased with wave exposure. The production of epiphytic algae was also examined on artificial substrates at a sheltered and an exposed site in each lake during the period June-September 1993 and was observed to be higher at the sheltered sites. Epiphytic algae was an important factor in limiting submerged macrophyte distribution in sheltered locations in eutrophic lakes.
ISSN:0018-8158
1573-5117
1573-5117
DOI:10.1007/BF00028271