1990
DOI: 10.14430/arctic1615
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Effects of Beaver Dams on Subarctic Wetland Hydrology

Abstract: ABSTRACT. Beaver dams are ubiquitous in subarctic wetlands, where runoff in the flat terrain is highly prone to changes as the stream courses are modified by beaver activities. Depending on the state of preservation, stream flow can overtop or funnel through gaps in the dams, leak from the bottom of the dams or seep through the entire structure. Peak and low flows are regulated by these dams to a varying extent. The formation of beaver ponds causes local flooding, while the open water surfaces of the ponds inc… Show more

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Cited by 109 publications
(137 citation statements)
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“…Although the hydrologic influence of beaver dams can last for decades following abandonment (Naiman et al 1988), once dams breach, the pond sediments are subject to erosion (Woo and Waddington 1990). Our data, and previous observations (Jonas 1955) indicate that channel incision began in ca.…”
Section: Beaversupporting
confidence: 55%
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“…Although the hydrologic influence of beaver dams can last for decades following abandonment (Naiman et al 1988), once dams breach, the pond sediments are subject to erosion (Woo and Waddington 1990). Our data, and previous observations (Jonas 1955) indicate that channel incision began in ca.…”
Section: Beaversupporting
confidence: 55%
“…Beaver dams can be long-term or ephemeral geomorphic features of a stream valley (Woo and Waddington 1990) that typically span the entire channel and are maintained year round on streams with low power (Warren 1926, Johnston and 3 Corresponding author. E-mail: davidc@warnercnr.colostate.edu Naiman 1990, Burns and Mcdonnell 1998, Albert and Trimble 2000.…”
Section: Introductionmentioning
confidence: 99%
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“…Beaver impoundments alter stream hydrology by regulating flow (at least temporarily) and by increasing water storage (Woo and Waddington 1990). If these stored waters become oxygen depleted, they increase the potential habitat for anaerobic methanogcns.…”
mentioning
confidence: 99%
“…in shaping landscapes, ecological feedbacks and hydrological conditions of riparian forests challenges the management of these ecosystems [1][2][3][4][5][6][7][8][9][10][11]. Among the ecosystem alterations induced by construction activity of beaver, increased water storage capacity and related changes in flow regime and sedimentation-erosion balance remain of the highest importance for both catchment-scale water management and local-scale maintenance of forest environment [12][13][14][15][16][17][18][19][20]. The increasing abundance of European beaver (Castor fiber) populations in Central and Eastern Europe, reported in the late 20th and in the beginning of the 21st century, entailed colonization of new habitats by these rodents, which along with the intensification of agriculture and forestry, remained a cause of conflict at the interface of land use and environmental conservation [21,22].…”
Section: Introductionmentioning
confidence: 99%