In 2006, Oregon poured rotenone into 2,824-acre Diamond Lake: an estimated 90 million invasive fish disappeared, and its collapsed trout fishery reopened |
Aerial view looking east to Diamond Peak and Crescent Lake in the Diamond Peak Wilderness in the Oregon Cascade Range. Credits – Wikimedia Commons In September 2006, Oregon officials took the drastic step of treating Diamond Lake with rotenone after an invasive fish had pushed the lake’s trout fishery into collapse. The fish was tui…
