N 20. U 



PICK CREEK (Lake Nerka) 



SIM'IARY OF SURVEYS 



Date 



Method Sr 

 dipt^Tice 



Live Dead Total 



Remarks 



i960 



1962 



8/16 G 



8/22 G 



1961 T 



8/6 A 2.5 



8/13 G 



8/16 G 



780 



1,012 



4,007 



14,000 



4,500 

 4,500 



315 



291 



12,000 



12,000 



200 d", 200 9 scales and 

 measxirements; 100 o', 100 ? 

 otolitlis. Samples from 

 pond only 



Ponds and tribxitaris s . No 

 counts in creek 



Main ponds only. I7O o', 

 174 9 measiirements; 100 d", 

 100 $ scales; 60 o', 60 9 

 otoliths 



89 cf, 100 ? scales and meas- 

 urements. Covmts from 

 dead on Aug. 22 



2,000-5,000 off movtth 



Creek and ponds 



100 o', 100 9 scales, meas- 

 \jrements and otoliths. 

 Sajuples from ponds only 



100 o', 100 9 scales and 

 measurements. Samples fi-cm 

 creek only 



81 



