1186 



U. S. BUREAU OF FISHERIES 



(3) There is a lack of coordination of effort and cooperation among different 

 agencies interested in restocljing streams. 



(4) Ttiere is inadequate basic information on tlie adaptability of streams 

 to different species ami the laiKicity of sncli streams. 



Fioi'KE 4. — Planting trout in national park waters 



(5) There is too much loss in transplants due to size of fish turned into 

 streams, the lack of proper handling facilities, inadequate arrangements among 

 cooperative agencies, and inexperience in the technique of transplanting by 

 some of those entrusted \Yith the care of tish. 



KlGUKE 5.- 



-Liindlocked salmon and eastern brook trout from national forest waters. 

 These fish were planted in 1921 and caught in 192;i 



(6) Losses from irrigation ditches are enormous, and while some progress 

 has been made in the development and installation of screens there is inade- 

 quate supervision and attention given to this phase of the question. 



(7) Little is known of the los.ses due to predators in the fonn of either fish 

 or animals and birds, or the proper balance that might l)e maintained between 

 our fur bearers, bird life, and fish. 



(8) The laws of the various States lack uniformity and scientific basis of 

 regulation of catch. 



