- PII
- 10.31857/S0869607124040129-1
- DOI
- 10.31857/S0869607124040129
- Publication type
- Article
- Status
- Published
- Authors
- Volume/ Edition
- Volume 156 / Issue number 4
- Pages
- 423-440
- Abstract
- Beavers, as mammals that have a unique ability to transform watercourses and their floodplain-channel complexes by building dams and associated ponds, intensively develop streams and, especially, small rivers, as well as small branches of larger rivers in Eastern Europe. During a geodetic survey using GNSS equipment and a field survey of four small rivers in the uplands of the steppe zone of the Volga region, the features of the distribution of beaver dams and associated ponds were identified, and some of their morphometric characteristics (height and length of dams and their ratio; length of ponds) were determined. An analysis of the longitudinal profiles of these rivers showed the significant role of slopes (gradients) in the distribution of these beaver structures: about 90% of them are located on riverbed slopes of less than 2%, including 56% of less than 1%. A weak and statistically insignificant trend of increasing height of beaver dams, as well as a statistically significant trend of decreasing length of beaver dams and associated ponds as riverbed slopes increase, was identified. The highest average heights of beaver dams are confined to those small rivers whose basin soils are comparatively heavily plowed (mainly clayey-loamy Chernozems).
- Keywords
- Castor fiber L. GNSS-приемник русло пойма продольный профиль реки Восточно-Европейская равнина
- Date of publication
- 26.12.2024
- Year of publication
- 2024
- Number of purchasers
- 0
- Views
- 43
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