Hohwaiian, it seems to me that if we stopped all hatchery production and all harvest by everyone. that the fish would come back to numbers that we could not even fathom and would give the scientist the numbers that these watershed could really handle. on the genetics thing these fish stray and there genetics are very widespread and have taken tens of thousands of years to get to the point that they have made it to today. it is going to take alot longer than 70years to make a significant change in there "genetics"