That was an interesting read on the EW and its flow development. Doesn't really seem like much scientific study went into it, but then, way back when, not much forethought was provided for the fish............This isn't meant as a criticism, rather it is an observation of the way things were done back during the earlier part of the century, and this mindset wasn't exclusive. I grew up on a ranch in Idaho, and similar water issues were handled in a similar manner there.
The part I found interesting was:
"To help insure that these released fish will survive to be
potentially caught again or reach trophy size, it is further
proposed that an artificial lures restriction be used in support
of the 2-fish limit. While properly released bait-caught fish
have been shown to survive in numbers comparable to fish taken on
artificial lures,¯ our heavy.reliance upenthc ,catch andrelease
portion of this program strongly suggests that the angling method
should be restricted’to artificial lures."
This was in the discussion of regulation changes for the stretch below the dam to the Nevada. border. I've never seen studies reflecting that bait caught/released fish had the same survival rate as those caught/released by artificial lures, unless you are comparing those caught with treble hook lures vs bait. Fly caught are generally not as likely to die as those bait caught. There are mixed results on studies comparing barbed vs barbless catch/release survival, but it is definitely easier to get a debarbed hook out of the fisherman, so I suspect that getting it out of the fish more quickly would lead to an intuitively higher survival, no?
Thanks for sharing the flow info. Looks like they are meeting their minimum flow requirements, albeit, it would have been nice to see a more scientific method employed for establishing said min flows.
"Should you cast your fly into a branch overhead or into a bush behind you, or miss a fish striking, or lose him,or slip into a hole up to your armpits-keep your temper; above all things don't swear, for he that swears will catch no fish."