MICHIGAN (Cont. ) 



52. Experimental Planting of Fingerling Brown Trout in Rifle River 



The project will deternnine survival of nnarked fingerling brown trout through 

 complete creel census and also by periodic population checks, 



Ogennaw County; began 1952, to close 1958; $380; H. Cowing, Leader. 

 Address inquiries to: As in No. 3 above. 



53. Sub-legal Trout Plantings in Streams in Spring 



The objective is to deternnine if 4j- to 6^- inch brook trout and rainbov.' trout 

 released in April, will contribute to anglers catch during same or succeeding 

 seasons. Results are followed through a complete creel census. 



Trout research stations; began 1953, closed 1956; $380; D. S. Shetter, 

 Leader. 



Address inquiries to: As in No. 3 above. 



54. Introduction of Redear Sunfih 



The objective is to determine, through introduction into a variety of situa- 

 tions, if the species has an important sport fishing potential in Michigan. 

 Results are determined by periodic netting and a random creel census. 



Five lakes; began 1954, to close 1958; $380; Walter R. Crowe, Leader. 



Address inquiries to: As in No. 3 above. 



55. Great Lakes "Steelhead" 



The objective is to determine if hatchery-reared rainbow trout can be used 

 to supplement natural runs of steelhead from Great Lakes. Tagged rainbow 

 trout are planted in mouths of streams tributary to Great Lakes, the results 

 followed by analysis of tag returns. 



Streams tributary to Great Lakes; began 1954, to close 1960; $4,555; T. M. 

 Stauffer, Leader; reports available. 



Address inquiries to: As in No. 3 above. 



56. Carp Control 



The objective is to devise methods and test results of controlling carp 

 abundance in selected lakes. 



Southern Michigan; began 1956, indefinite; $1,518; J. E. Williams, Leader. 

 Address inquiries to: As in No. 3 above. 



57. Population Control - North Lake 



Northern pike in North Lake are controlled by trapping them on their spawn- 

 ing migration. The lake is managed for trout. 



Ogemaw County; began 1955, indefinite; $380; H. Cowing, Leader. 

 Address inquiries to: As in No. 3 above. 



58. Results From Planting Brook Trout Fry in Trout Lake 



Results of the stocking is determined by examination of growth, yield, and 

 creel census data. 



Otsego County; began 1956, to close 1957; $1,139; Thomas F. Waters, Leader. 

 Address inquiries to: As in No. 3 above. 



59. Lake and Pond Fertilization 



The project aims to determine the practical value of commercial fertilizer 

 as a tool in warm water fish production by experiments in selected lakes, and 

 in hatchery ponds. 



Began 1946, continuing; $4,555; Robert C. Ball, Leader; reports available. 



Address inquiries to: As in No. 3 above. 



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