MICHIGAN (Cont. ) 



12. Walleye Tagging, Inland Waterway 



Through tagging studies in waters of the inland waterway the need for 

 special regulations, extent of exploitation, walleye abxindance, and migration 

 pattern within the system is determined. 



Cheboygan and Presque Isle Counties; began 1953, continuing; $380; Walter 

 Crowe, J-ieader. 



Address inquiries to: As in No. 3 above. 



13. Black River Rainbow Trout-Sea Lamprey Research 



In conjunction with operation of Black River barrier to block spawning run 

 of sea lampreys, its effectiveness as a barrier to the rainbow run is studied. 

 A management program for the rainbow trout through age and growth studies, 

 observations on the extent of spawning above the barrier, and creel census is 

 developed. 



Backinac County; began 1946, continuing; $4,555; Thomas M. Stauffer, 

 Leader; reports available. 



Address inquiries to: As in No. 3 above. 



14. Lower Gamble Creek Weirs 



By tagging studies the migration pattern of brown trout and other species 

 from Devoe Lake and Rifle River through Gamble Creek and diversion is 

 learned. Species composition, numerical abundance, and age and growth of 

 fishes caught in the weirs over a period of years are also followed. 



Ogemaw County; began 1952, continuing; $380; Howard Cowing, Leader; 

 reports available. 



Address inquiries to: As in No. 3 above. 



15. Smallmouth Bass in the Great Lakes Waters of Michigan 



By intensive investigation through study of ecology, exploitation, and 

 distribution proper conservation and management for the smallmouth bass is 

 determined. 



Waugoshance Point, Emmet County, and other areas; began 1953, contin- 

 uing; $3,036; William C. Latta, reports available. 



Address inquiries to: As in No. 3 above. 



16. Life History - Coaster Brook Trout 



The objective is to investigate growth, abundance, ecology, exploitation, 

 and conservation of lake -run brook trout from streams tributary to Lake 

 Superior. 



Marquette and Alger Counties; began 1954, continuing; $759; Merle G. 

 Galbraith, Jr. , Leader. 



Address inquiries to: As in No. 3 above. 



17. Life History and Management of Muskellunge 



The objectives are to study such life history aspects as age and growth, 

 spawning habits and requirements; obtain creel census information on lakes 

 where muskellunge are native; and to evaluate results of stocking for mainten- 

 ance. 



Lake St. Clair and other waters; began 1951, continuing; $1,518; John E. 

 Williams, Leader; reports available. 



Address inquiries to: As in No. 3 above. 



18. Life History, Sea Lamprey 



The objective is to deternnine the duration of the larval life of sea lampreys, 

 and whether there is a resident population of sea lampreys in Carp Lake. By 



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