Topic Results: Water Storage

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To What Extent Might Beaver Dam Building Buffer Water Storage Losses Associated with a Declining Snowpack?

This thesis provides a Beaver Dam Surface Water Estimation Algorithm, a model that takes observation data of 500 beaver dams to quantify the distribution of dam sizes, then using that data to develop a model for predicting water storage. While the water storage provided by beaver dams is only a small fraction of expected snow water equivalent loss, it is not insubstantial and may prove beneficial for ecosystems where human-made reservoirs are not available to regulate hydrologic regimes.

Influence of Beavers on Stream Fish Assemblages: Effects of Pond Age and Watershed Position

We used a spatial survey of fish assemblage structure in streams and beaver ponds to: (1) determine the effects of beavers on fish assemblage structure at the reach and drainage basin scales, and (2) assess the influences of pond age, watershed position, and pond environment on fish assemblage structure within beaver ponds.

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Hydraulic Modeling of Beaver Dams and Evaluation of Their Impacts on Flood Events

In this study, we modeled 12 beaver dam cascade scenarios in two catchments for eight flood events with a two-dimensional (2D) hydrodynamic model.

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Effect of beaver dams on the hydrology of small mountain streams: Example from the Chevral in the Ourthe Orientale basin, Ardennes, Belgium

This research focuses on the hydrological effects of a series of six beaver dams on the Chevral River, a second order tributary of the Ourthe Orientale River in a forested area of the Ardennes.

Beaver (Castor Canadensis) of the Salinas River: A Human Dimensions-Inclusive Overview for Assessing Landscape-Scale Beaver-Assisted Restoration Opportunities

Study to gather and produce human dimensions-inclusive, basin-centralized beaver knowledge through an explorative, benefits-maximizing approach to landscape-scale BAR opportunities assessment in the Salinas River.

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Alteration of Stream Temperature by Natural and Artificial Beaver Dams

In this study, we tracked beaver dam distributions and monitored water temperature throughout 34 km of stream for an eight-year period between 2007 and 2014. Our results suggest that creation of natural and/or artificial beaver dams could be used to mitigate the impact of human induced thermal degradation that may threaten sensitive species.

Beaver-induced spatiotemporal patch dynamics affect landscape-level environmental heterogeneity

Study of flood dynamics created by American beaver (C. canadensis K.) in a southern boreal landscape in Finland in
1970–2018.

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Beaver dams, hydrological thresholds, and controlled floods as a management tool in a desert riverine ecosystem, Bill Williams River, Arizona

Testing the hypothesis that controlled floods intended to drive the fluvial geomorphic and hydrologic processes necessary
for native tree recruitment will simultaneously destroy beaver dams.

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Preston rancher restoring beaver to creek

Idaho rancher, Jay Wilde, and Joe Wheaton from Utah State University use BRAT, beaver restoration assessment tool, and identified good beaver habitat to help restore Birch Creek to year-round stream flow.

Beaver power provides year-long water to Idaho ranch

Idaho rancher, Jay Wilde, partnered with Anabranch Solutions to build BDAs, and the USFS and Idaho Fish & Game to relocate beavers into Birch Creek to help restore year-round stream flow.

Habitat engineering by beaver benefits aquatic biodiversity and ecosystem processes in agricultural streams

Dam building by beaver in degraded environments can improve physical and biological diversity
when viewed at a scale encompassing both modified and unmodified habitats.

Beaver dams: A free conservation practice for water quality enhancement?

Beaver activity (i.e., damming of streamflow) holds significant potential to impact water quality, specifically in-stream nutrient processing.

Beaver: Nature’s ecosystem engineers

This review summarizes how beaver impact ecosystem structure and geomorphology, hydrology and water resources, water quality, freshwater ecology, and humans and society.

Project: Hydrological Impact of Beaver Habitat Restoration in the Milwaukee River Watershed

A comprehensive study evaluating how restoring beaver dams could significantly protect the city of Milwaukee from future flood vents and the significant cost savings of this nature-based management approach versus traditional flood prevention engineering.

Could beaver compete with a declining snowpack?

To estimate the extent to which beaver dam building activity could provide transient water storage with a decreased snowpack.

Ecology, management, and conservation implications of North American beaver (Castor canadensis) in dryland streams 2014

A review that suggests that beaver activity can create substantial benefits and costs for conservation

Impacts of beaver dams on hydrologic and temperature regimes in a mountain stream

This study quantifies the impacts of beaver on stream hydrologic and temperature regimes, and highlights the importance of understanding the spatial and temporal scales of those impacts.  We explored the impacts of beaver dams on hydrologic and temperature regimes at different spatial and temporal scales within a mountain stream in northern Utah over a 3-year period spanning pre- and post-beaver colonization.