Hydrologic Effects of Beaver-Mimicry Stream Restoration
Beaver-mimicry stream restoration (BMR) seeks to simulate the effects of beaver activity on stream ecosystems. One common objective of this type of restoration is to increase seasonal water storage, which will in turn promote higher and cooler late-summer stream flows. However, the specific hydrologic mechanisms by which BMR would promote higher and cooler late summer flows remain poorly understood. To aid in understanding the types of effects that should be expected from BMR we have developed simple groundwater flow models that allow quantification of the amount of increased late-summer flow that can be expected for different types of treatments in different hydrogeologic settings. We have also monitored two restoration sites for four years, using a before-after, treatment-control experimental design. At these sites we have monitored groundwater levels, stream flows, riparian vegetation, and stream temperatures.
Bobst, Andrew, "Hydrologic Effects of Beaver-Mimicry Stream Restoration" (2019). Guest Lectures. 95.