Invasive Species Treatment Pilot Program Results Promising: Suppressing Eurasian water milfoil with the objective of reducing spawning habitat for invasive northern pike .
The introduction of invasive Eurasian water milfoil (EWM) in the Robson Reach section of the Lower Columbia River has resulted in ideal spawning habitat for invasive northern pike (Esox lucius). Northern pike were first found within the Columbia River in 2010 and are ravenous and highly predatory, having the ability to devastate local fish populations. … Read more