A net pen trout rearing operation on the mid-Columbia has taken a devastating hit from heightened total dissolved gas levels in the river as Columbia-Snake dam operators struggle to manage brimful rivers for flood control and to protect fish.
A net pen trout rearing operation on the mid-Columbia has taken a devastating hit from heightened total dissolved gas levels in the river as Columbia-Snake dam operators struggle to manage brimful rivers for flood control and to protect fish.