TABI£ 8 

 OBSERVATIONS OF A BLUEBACK SALIIGN NEST LOCATED IN THE 

 OKANOGAN RIVER APHIOXIIIATELY ONE QUARTER MII£ 

 ABOVE FIRST BRIDGE BELOW OLIVER DIVERSION 

 DAM IKAR OLIVER, B.C. DURING WINTER 

 19U7 - 19U8 



Visit Air Water 



No* Date Weather Teap«F. TenpoF« 



Sample Condition River Condition 



1 12/18 Fair 



3 



h 



5 



li5.0° 37.5' 



12/30 Clear 30.0® 36.0 



lA3 Clear 27.0O 3U.0° 



3/28 Clear 29.0° 3U.5° 



2/20 Snowing 35.0*= 



7 3/16 Fair 



8 3/31 Fair 



9 h/lh Fair 



31;.0'= 



6 3/3 Clear 39.0° 39. 0*^ 



U6,0° li3.0° 



56.0° U8.00 



^^.O*^ U7.0® 



8 eyed eggs 



2 in alerin stage 

 2 eyed eggs 



6 in alevin stage 



U in alevin stage 



5 fry egg-sac stage 



5 fry eg^^ac stage 



10 try egg sac 

 stage 



9 fry egg-sao half 

 absorbed 



Only 2 fry left in 

 nest. Fry in well 

 advanced stage 



Up approximately 

 one foot since 

 spawning 



Same 



T^ another 8" 



Up aunother U" 



Same level as 

 spawning time 



River level below 

 that of spawning 

 tiae 



^p to spawning 

 level 



Saae 



Water badly silted 



Same 



22 



