<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The research on phytoplankton communities in Lake Charzykowskie was carried out at intervals since the 1940s till the beginning of the 21 century. Long-term observations, initially of the species composition and in the following years also of the biomass and the concentration of chlorophyll-a in relation to habitat conditions, allowed to assess the impact of the catchment area on changes in the trophic status of the lake for over 50 years. And thus, based on the results of physicochemical analysis and studies on the phytoplankton structure in the 1940s, the lake was classified as ß-mesotrophic (Cabejszek 1950), between the 1960s and the1990s as eutrophic (Szulkowska-Wojaczek 1968, 1976; Wiśniewska 1994, 2000), in 2004 as hypertrophic (Wiśniewska 2005), and in 2008 and 2009 as meso-eutrophic.</p>
</abstract>

The research on phytoplankton communities in Lake Charzykowskie was carried out at intervals since the 1940s till the beginning of the 21 century. Long-term observations, initially of the species composition and in the following years also of the biomass and the concentration of chlorophyll-a in relation to habitat conditions, allowed to assess the impact of the catchment area on changes in the trophic status of the lake for over 50 years. And thus, based on the results of physicochemical analysis and studies on the phytoplankton structure in the 1940s, the lake was classified as ß-mesotrophic (Cabejszek 1950), between the 1960s and the1990s as eutrophic (Szulkowska-Wojaczek 1968, 1976; Wiśniewska 1994, 2000), in 2004 as hypertrophic (Wiśniewska 2005), and in 2008 and 2009 as meso-eutrophic.

Long-term changes in the phytoplankton of Lake Charzykowskie

Faculty of Civil and Environmental Engineering, Department of Environmental Development and Protection

University of Technology and Life Sciences

Department of Plant Ecology and Nature Conservation, Institute of Ecology and Environmental Protection

Oceanological and Hydrobiological Studies

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Long-term changes in the phytoplankton of Lake Charzykowskie"}

The research on phytoplankton communities in Lake Charzykowskie was carried out at intervals since the 1940s till the beginning of the 21 century. Long-term...

Long-term changes in the phytoplankton of Lake Charzykowskie

Published Online: Jun 29, 2012

Page range: 90 - 98

DOI: https://doi.org/10.2478/s13545-012-0031-1

Keywords
lake, trophic status, phytoplankton, biomass, life strategy, phytoplankton functional groups

© 2012 Faculty of Oceanography and Geography, University of Gdańsk, Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Long-term changes in the phytoplankton of Lake Charzykowskie

Published Online: Jun 29, 2012

Page range: 90 - 98

DOI: https://doi.org/10.2478/s13545-012-0031-1

Keywordslake, trophic status, phytoplankton, biomass, life strategy, phytoplankton functional groups

© 2012 Faculty of Oceanography and Geography, University of Gdańsk, Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
lake, trophic status, phytoplankton, biomass, life strategy, phytoplankton functional groups