TABI£ 7 

 OBSERVATIONS OF A BLUEBACK SAI/ION NEST LOCATED IN THE IKNATCHEE 

 RII^R APPROXIMATELT ONE-HALF MILE BELOff LAKE WENATCHEE 

 DURING THE WINTER 19li7 - 19U8 



Visit 



No* Date Weather 



Air Water 



Temp.Fo Tenp»F« 



Sample Condition River Condition 



1 12/9 Clear 101,0° U3.0° 



2 12/16 Snowing 31.0° U2.5° 



3 12/23 Snowing 32.0° 3U.5** 



ii 1/5 Cloudy 3$«0° UO.O* 



5 1/12 Clear 17.0** 38.5° 



6 1/29 Cloudy 28.6° 37.0° 



7 2A3 Part U3«5° 38,5° 



Cloudy 



8 2/18 Cloudy 38,0° 37,0° 



9 2/26 Snow 36,0° 38.5° 



10 3/5 Cloudy hli.0° U3.0^ 



11 3/15 Fair 50.0° U5»0° 



12 3/29 Fair U8.0° U7.5^ 



9 eyed eggs 



11 eyed eggs 



Nest covered with 

 one foot of water 



Sams 



2 alevlns, 2 eyed Same 

 eggs 



5 in alevin stage Low, but nest 



covered 



3 In alevin stage Same 



5 In alevin stage Water level up 



slightly 



7 in alevin stage Low but neat 



oovered 



U try egg-sao about Nest oovered with 

 absorbed about one foot of 



water - no lee. 



3 fry have no egg- Same 

 sac, 2 with egg-^ac« 



2 fry well advanced Same 



2 with presence of 

 egg-sac 



3 fry well advanced Same 



3 have evidence of Free swimming fry 

 yolk sac seen in shallow 



eddies 



7 fry all In well Same 

 advanced stage were 

 all that was found 

 In the entire nest. 



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