Salmo - Your suggestions are predicated on there being enough high quality habitat in GH or WB watersheds to produce sufficient Chinook and coho to support a fishery (recreational, Treaty, or Non-Treaty). Not sure there is.....

Now it's possible there may be enough habitat if there were little or no harvest in the ocean (SE AK, northern BC, westside Vancouver Island) on those stocks. If ocean harvest could be reduced (to help SRKW?), it may be possible to reduce or eliminate hatchery production in some rivers, and still produce enough wild Chinook and coho for in-river fisheries.

But that would likely be just recreational and Tribal harvest. Not sure there would be enough for NT commercial fisheries.