No, he'll impact the fishermen more than the fish.
It cuts a deeper, faster channel through the canyon.
We could not make good fisheries by throwing rocks in it or sticking a regulation on it. The fish population is the ultimate indicator of how well we're doing.
We are still enjoying the benefits of 2002.
Normally, there's too much water in the Arkansas River, too much velocity. If you're a fisherman, you're still seeing the difference today.