OREGON (Cont. ) 



U. S. Corps of Engineers cooperating; Columbia River; continuing; Theodore 

 R. Merrell, Leader; reports available. 



Address inquiries to: Theodore R. Merrell, Oregon Fish Comnaission, Route 

 1, Box 31 A, Clackamas, Oreg. 



4. Lower Columbia River Rehabilitation Program. 



A project aimed at locating suitable sites for salmon hatcheries, surveying 

 streams to locate obstructions and assessment of potential spawning areas above 

 natural barriers, and assessment of results of hatchery operations and stream 

 improvement projects. 



Columbia River tributaries below McNary Dam; continuing; Chester R. 

 Mattson, Leader; reports available. 



Address inquiries to: Chester R. Mattson, Oregon Fish Commission, 

 Route 1, Box 31 A, Clackamas, Oreg. 



5. Marine Fisheries. 



This is an extensive project involving both sport and corrunercial fish 

 species. A study of the life histories of the English, Petrale, and Dover soles 

 and the rose fish is being made. Migration and nnortality of salmon due to fish- 

 ing in the ocean is being investigated. The catch per unit of effort in the otter - 

 trawl fishery will be determined, and the racial characteristics of the albacore 

 will be recorded. 



Offshore waters; continuing; George Y. Harry, Leader; reports available. 



Address inquiries to: George Y. Harry, Oregon Fish Commission, 

 1236 Taylor Avenue, Astoria, Oreg. 



6. Columbia River Studies. 



Studies are continuing on the life histories of shad and sturgeon, the effects 

 of fishing upon smelt, and the rate of migration and fishing pressure on Columbia 

 River salmon. Surveys of the Willamette River sport fishery for spring chinook 

 are conducted jointly with the Game Commission. Surveys are made of escape- 

 ments to the spawning grounds and of conditions existing in the migratory paths 

 of the salmon. 



Columbia River; continuing; Robert W. Schoning, Leader; reports available. 



Address inquiries to: Robert W. Schoning, Oregon Fish Commission, 

 Route 1, Box 31 A, Clackamas, Oreg. 



State College 



I. Willamette River Fishes and Fish Food Organisms as Biological Indicators of 

 Pollution. 



Fishes and aquatic insects were collected at 12 stations on the Willamette 

 River, above the confluence of Clackamas River at intervals during the low 

 water flow periods in the summer and fall of 1951 and 1952. Only cursory samp- 

 ling was employed in 1953. The main objectives were to ascertain if biological 

 recovery could be demonstrated resulting from pollution abatement measures; and 

 to establish reference points (locations) at which biological pollution or biological 

 recovery could be measured in the future. 



State Sanitary Authority, U. S. Public Health Service, Division of Water 

 Pollution Control cooperating; hdqrs. Corvallis; began June 1951, to close June 

 1955; $1,500; R. E. Dinnick and Glen Carter, Leaders; reports available. 



Address inquiries to: Dr. R. E. Dimick, Department of Fish and Game 

 Management, Oregon State College, Corvallis, Oreg. 



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