An Iowa Nutrient Research Center-funded study that seeks to quantify beaver dam impacts on water quality, hydrology, and stream morphology (i.e., how dams shape the stream itself) has reached the one-year mark. Although the primary goals of the study focus on how dams influence sediment, nitrate, and phosphorus levels in waterways, our time in the field has generated numerous ancillary observations on the additional impacts of these unique creatures. Here, we present our “top three surprise beaver dam observations” from year one...
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