Title: Long-term Changes and Seasonal Development of Phytoplankton in a Strongly Stratified Hypertrophic Lake
Citation: HYDROBIOLOGIA vol. 547 p. 91-103
Publisher: SPRINGER
Publication Year: 2005
JRC N°: JRC31816
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC31816
Type: Articles in periodicals and books
Abstract: Changes in the phytoplankton community of the hypertrophic, sharply stratified Lake Verevi have been studied over eight decades. Due to irregular discharge of urban wastewater, the trophic state of the lake has changed from moderately eutrophic to hypertrophic. We found that the trophic state in summer increased in the 1980s and remained at a hypertrophic level since then. Planktothrix agardhii was recorded first in the 1950s and became the dominant species in the 1980s, forming biomass maxima under the ice and in the metalimnion during the vegetation period.
JRC Directorate:Sustainable Resources

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