United States Department of the Interior, Oscar L. Chapman, Secretary- 

 Fish and Wildlife Service, Albert M. Day, Director 



SALMON RESEARCH AT DEFR CREEK, CALIF, 



By Frederick K. Cramer 

 and David F. Hammack 



Special Scientific Report: Fisheries No. 67 



CO: J TENTS 



Page 



Description of Deer Creek » « » . , . 1 



Deer Creek Program .,=...,, „ 2 



Transplanting of Salmon from Sacramento River 



to Deer Creek . . . o . . . » . 3 



Yearly Counts at Deer Creek Weir . . =, . h 



Distribution of Adult Salmon . . . o . 6 



Spawning Observations ..... 7 



Downstream Migration of Young Salmon ......... 7 



Stream Temperatures 9 



Hazards Encountered by Adult and Young Salmon 11 



Effect of Transplanting Program ..... 12 



Summary . ....... 13 



Sources of Information and Data ..... I6 



ILLUSTRATIONS 



TABLE Page 



1. Salmon transfers to Deer Creek ........... 3 



2. Salmon counts at Deer Creek ............ 5 



3. Weir counts plus transferred salmon ........ 5 



h. Fyke-netting data, Deer Creek, 19U2-h8 ....... 8 



5. Correlation between adult and young populations . . 9 



6. Water temperatures at Deer Creek Station ...... 10 



7. Losses in Deer Creek Irrigation Company Canal, 1914$. 11 



