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MAX KATZ 

 channels by the engineers to improve navigation have? 



21. What effect has the building of 

 revetments and dikes in the lower river had? 



22. What is the effect of predation in 

 fresh water by seagulls, eagles, trout, char, char-Dolly 

 Varden, other salmon, and sculpin, as well as, of course, 

 by people that are out fishing for trout, catch the young 

 salmon, rip them off the hook and then throw them back in? 



And, of course, there are many other factors 

 I am sure that knowledgeable fisheries biologists can 

 recognize as affecting the populations in the fresh water. 



And then the last item is how do we evaluate 

 the natural and fishing mortality in salt water? 



When we get good, solid information on all 

 of these questions, then we will be in a position to tell 

 what has happened, what is happening, and what will happen 

 to the salmon. 



The problem is a complex one, the answer 

 is not a simple one, and anyone who proposes the simple 

 answer to the complex problem is deluding himself and is 

 deluding the public. It is even more regrettable that a 

 prestigious Federal agency has placed itself in this 

 position. 



If I may go on, the chinook catches in 



