Articles | Volume 26, issue 15
https://doi.org/10.5194/hess-26-4109-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/hess-26-4109-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
08 Aug 2022
Research article |
| 08 Aug 2022
| 08 Aug 2022
Macroinvertebrate habitat requirements in rivers: overestimation of environmental flow calculations in incised rivers
Renata Kędzior
Department of Ecology, Climatology and Air Protection, Faculty of Environmental Engineering and Land Surveying, Agricultural University of Krakow, 30059, Krakow, Poland
Małgorzata Kłonowska-Olejnik
Centre of Research and Science Innovations, 20819, Lublin, Poland
Elżbieta Dumnicka
Institute of Nature Conservation, Polish Academy of Science, 31120, Krakow, Poland
Agnieszka Woś
Department of Hydraulic Engineering and Geotechnics, Faculty of Environmental Engineering and Land Surveying, Agricultural University of Kraków Poland, 30059, Krakow, Poland
Maciej Wyrębek
Department of Hydraulic Engineering and Geotechnics, Faculty of Environmental Engineering and Land Surveying, Agricultural University of Kraków Poland, 30059, Krakow, Poland
Leszek Książek
Department of Hydraulic Engineering and Geotechnics, Faculty of Environmental Engineering and Land Surveying, Agricultural University of Kraków Poland, 30059, Krakow, Poland
Jerzy Grela
MGGP joint-stock company, 33100, Tarnów, Poland
Paweł Madej
MGGP joint-stock company, 33100, Tarnów, Poland
Tunnelling Group, Biotechnology Centre, Silesian University of Technology, 44100, Gliwice, Poland
Related authors
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Elżbieta Dumnicka, Joanna Galas, Tadeusz Namiotko, and Agnieszka Pociecha
EGUsphere, https://doi.org/10.5194/egusphere-2025-2883, https://doi.org/10.5194/egusphere-2025-2883, 2025
This preprint is open for discussion and under review for Biogeosciences (BG).
Short summary
Short summary
The studies of annelids and crustaceans in Krakow's urban wells indicate a heterogeneous and partly natural underground ecosystem. It is worth emphasizing that the occurrence of stygobiontic species in a significant part of the wells suggests that some groundwater habitats in the city maintain ecological integrity. These findings emphasize the importance of including urban groundwater fauna in biodiversity assessments and confirm the need for long-term biomonitoring systems.
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Short summary
The river incision significantly increased the values of e-flow calculations in relation to redeposited channels. The area of optimal habitat for macroinvertebrates decreased with the bed incision intensity. In highly incised rivers, the environmental flow values are close to the mean annual flow, suggesting that a high volume of water is needed to obtain good macroinvertebrate conditions. As a consequence, river downcutting processes and impoverishment of optimal habitats will proceed.
The river incision significantly increased the values of e-flow calculations in relation to...
