How Beaver Dams Helped Revive a Dying River in Oregon
How Beaver Dams Helped Revive a Dying River in Oregon For decades, Bridge Creek in eastern Oregon seemed destined to disappear. The once-thriving stream had transformed into a deep, eroded trench where fast-moving water stripped away soil, vegetation withered, and native fish struggled to survive. Traditional restoration methods would have required expensive machinery, large engineering projects, and years of construction. Instead, scientists placed their trust in an unlikely partner—North America's largest rodent. What followed challenged conventional ideas about river restoration and revealed how working with nature can sometimes achieve what heavy infrastructure cannot. The River That Was Losing Its Fight Bridge Creek is a tributary of the John Day River, flowing through Oregon's high desert. By the late 2000s, decades of erosion had carved the creek into a narrow channel several feet below its original floodplain. This transformation had devastating consequences. A...