<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The Wieprz-Krzna Canal, built in 1961, is one of the longest in Poland (142 km). Although the drainage construction was intended to revitalize the region of wetlands and peat-bogs of the West Polesie, it caused large hydrological changes. Research on catchments of three natural lakes and three retention reservoirs involved cartographic analysis using photointerpretation, as well as the Braun-Blanquet method. In the studied area, between 1939 and 2016 the length of rivers and ditches increased more than three times. Macrophytes covered about 20-27% of the natural lakes water surface, whereas in retention reservoirs the coverage was 12-15.5%. Also a greater diversity of macrophytes occurred in natural lakes. In retention reservoirs it was restricted to only emerged macrophytes.</p></abstract>

The Wieprz-Krzna Canal, built in 1961, is one of the longest in Poland (142 km). Although the drainage construction was intended to revitalize the region of wetlands and peat-bogs of the West Polesie, it caused large hydrological changes. Research on catchments of three natural lakes and three retention reservoirs involved cartographic analysis using photointerpretation, as well as the Braun-Blanquet method. In the studied area, between 1939 and 2016 the length of rivers and ditches increased more than three times. Macrophytes covered about 20-27% of the natural lakes water surface, whereas in retention reservoirs the coverage was 12-15.5%. Also a greater diversity of macrophytes occurred in natural lakes. In retention reservoirs it was restricted to only emerged macrophytes.

Floristic Diversity of Lakes Subjected to Long Term Changes in the Water Network of the West Polesie (Eastern Poland)

Department of Landscape Ecology and Nature Conservation

Transylvanian Review of Systematical and Ecological Research

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

The Wieprz-Krzna Canal, built in 1961, is one of the longest in Poland (142 km). Although the drainage construction was intended to revitalize the region of...

Floristic Diversity of Lakes Subjected to Long Term Changes in the Water Network of the West Polesie (Eastern Poland)

Published Online: Aug 22, 2017

Page range: 1 - 16

DOI: https://doi.org/10.1515/trser-2017-0017

Keywords
amelioration, canal, lake, water reservoir, macrophytes, changes

© 2017 Joanna Sender et al., published by De Gruyter Open

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

Floristic Diversity of Lakes Subjected to Long Term Changes in the Water Network of the West Polesie (Eastern Poland)

Published Online: Aug 22, 2017

Page range: 1 - 16

DOI: https://doi.org/10.1515/trser-2017-0017

Keywordsamelioration, canal, lake, water reservoir, macrophytes, changes

© 2017 Joanna Sender et al., published by De Gruyter Open

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

Keywords
amelioration, canal, lake, water reservoir, macrophytes, changes