If you want wild fish, naturally reproducing in the ecosystem and evolving to the conditions as they exist then you allow the wild fish to spawn unimpeded by fish that did not evolve in that environment (hatchery fish). They key here is actually wanting to restore the wild fish by putting them on the grounds. Since listing, how much has the wild escapement in the Kalama increased?

If it hasn't significantly increased since listing, and it should be double or triple (at least) what it was at listing then it seems to me that listing is not intended to restore the listee but to control people's actions in the watershed.

As many have noted, the history on most all out streams is a mongrelization of stocks; Aryan Purity doesn't exist any more. But, if you stop putting in hatchery fish, if you significantly increase the wilds, then what you get is a fish adapted to the river.