2018
DOI: 10.1002/jwmg.21601
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Environmental factors influencing beaver dam locations

Abstract: Beavers are known for their ability to build dams that change the environment. They also occupy territories where they do not construct dams. The goal of this study was to determine which environmental factors influence beaver dam construction and to examine the upstream water level increase caused by the dams. We compared factors collected at 15 beaver territories with dams (32 dams) and 13 territories without dams (i.e., control) in the gently undulating and human-dominated landscape of Middle Belgium in 201… Show more

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Cited by 9 publications
(8 citation statements)
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“…Based on the results of the questionnaire (114 beaver territories, 458 beaver dams) and the detailed field survey (12 beaver territories, 51 beaver dams), an overview of the dam building activities of beavers in the streams of Bavaria was obtained. Our findings revealed that 90% of the beaver dams were observed in small streams with a width ranging from 2 to 11 m and 59% of the streams were in a depth range of 0.5 to 1 m. These results coincide with observations from other studies, which showed water depths of less than one meter and variable widths ranging between 0.5 and 46 m [16,18,[43][44][45]. In Bavaria, beavers show similar activity patterns as observed in other regions.…”
Section: Survey and Analysis Of Beaver Territoriessupporting
confidence: 91%
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“…Based on the results of the questionnaire (114 beaver territories, 458 beaver dams) and the detailed field survey (12 beaver territories, 51 beaver dams), an overview of the dam building activities of beavers in the streams of Bavaria was obtained. Our findings revealed that 90% of the beaver dams were observed in small streams with a width ranging from 2 to 11 m and 59% of the streams were in a depth range of 0.5 to 1 m. These results coincide with observations from other studies, which showed water depths of less than one meter and variable widths ranging between 0.5 and 46 m [16,18,[43][44][45]. In Bavaria, beavers show similar activity patterns as observed in other regions.…”
Section: Survey and Analysis Of Beaver Territoriessupporting
confidence: 91%
“…The simulations also showed that the flooded areas increase by up to 359% due to the occurrence of beaver dams. These additional inundation areas could cause some human-wildlife conflict as it is also assumed by Swinnen et al [18].…”
Section: Impact Of the Investigated Beaver Dam Cascades On Flood Eventsmentioning
confidence: 83%
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“…Beavers have a preference for habitats with deep, slow-flowing water, to feel safe from predators (Collen & Gibson, 2000;Hartman & Tornlov, 2006;Swinnen, Rutten, Nyssen, & Leirs, 2019). Therefore, their dam-building activity is typically restricted to lower-order streams where stream power is limited (Graham et al, 2020;Gurnell, 1998;Macfarlane et al, 2015;Rosell et al, 2005) and water depths may not be sufficient (normally <0.7 m depth) for beaver movement and security.…”
Section: Dam Buildingmentioning
confidence: 99%