Biomasseentwicklung submerser Makrophyten in langsam fließenden Gewässern in Beziehung zum Sauerstoffhaushalt
- 1 January 1977
- journal article
- research article
- Published by Wiley in International Review of Hydrobiology
- Vol. 62 (2) , 209-234
- https://doi.org/10.1002/iroh.1977.3510620202
Abstract
The river Kleine Elster was studied as a typical example of slowly running waters of the lowlands with dense growths of submerged macrophytes. Photosynthetic oxigenation was found to be a function of biomass and light intensity as long as the biomass did not exceed 250 g (dry mass) per square meter. Crops going beyond this limit caused a substantial decrease in oxygen supply in the early morning hours. A biomass exceeding 250 g/m2 also gave rise to critical situations in autumnal oxygen budget (dying of macrophytes), increased water level, retardation in flow and a drop in atmospheric oxigenation. Necessary management practices (cutting of weeds) were derived from the objective of stabilizing the oxygen balance.This publication has 8 references indexed in Scilit:
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