Natural and Geomorphological Response of the Small Lowland River Valley for Anthropogenic Transformation

Paweł Oglęcki, Piotr Sebastian Ostrowski and Marta Utratna-Żukowska
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Paweł Oglęcki: Department of Environmental Improvement, The Faculty of Civil and Environmental Engineering, Warsaw University of Life Sciences, Nowoursynowska 166, 02-787 Warsaw, Poland
Piotr Sebastian Ostrowski: Department of Water Engineering and Applied Geology, The Faculty of Civil and Environmental Engineering, Warsaw University of Life Sciences, Nowoursynowska 166, 02-787 Warsaw, Poland
Marta Utratna-Żukowska: Department of Hydraulic Engineering, Meteorology and Water Management, The Faculty of Civil and Environmental Engineering, Warsaw University of Life Sciences, Nowoursynowska 166, 02-787 Warsaw, Poland

Resources, 2021, vol. 10, issue 10, 1-20

Abstract: The regulation of small rivers and the consequent maintenance works are common in the Central European Lowlands. This article attempts to determine the relationship between the invertebrate fauna (and consequently the biocenosis) of the small lowland river valley and its landforms (morphodynamics) under the conditions of very large and rapid changes caused by river regulation and maintenance. On this basis, an attempt to analyze the response of the ecosystem to rapid transformations associated with engineering works was made. The study covered Kraska, a small river typical for Polish Lowlands, which has been regulated along almost the entire length. The results showed that, in the regulated sections, where the natural forms of the relief were destroyed, there were significantly fewer taxa and significantly smaller numbers of the specimen. Despite the clear negative impact of the regulatory work on the ecosystem, the river in some sections showed the ability to spontaneously restore certain geomorphic features.

Keywords: river valley; biological diversity; ecological status; macroinvertebrates; landforms; fluvial geomorphology (search for similar items in EconPapers)
JEL-codes: Q1 Q2 Q3 Q4 Q5 (search for similar items in EconPapers)
Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:gam:jresou:v:10:y:2021:i:10:p:97-:d:645957

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