TabI* 20. Chang* in Catcn par Effort and Pareant Compealtion of Indicator Spacias 

 at Salactaa Study Sitaa (Salactad on Basis of Suitabia Sampla Siza) 



Rivar 



Obaarvao cotcn par affort 



Samp la Minnow trap 

 arae ( f i sh/ trap ) 



Sai na 

 ( r isn/haul i 



Elactroshock 



2 

 I f ish/ 1 00m > 



Spacias composition 



% Char % Gray l i nq 



Minnow Eiactro- All Major spacies 



trap 



shock gaar typas lost/gainac 



Washington Ck 



U 

 UM 

 BM 

 L* 



D 



I .3 

 0.7 

 0.0 

 0.2 

 2.2 



26 

 5 



12 

 22 

 26 



100 

 100 



55 

 il 

 u 



9 



I I 



•'SS 



♦ss 

 *ss 

 ♦ss 



Or agon Ck - J una 



22 



I I 



56 

 93 



-SS 



August 



4.6 



2.7 



137 

 164 



93 



78 



68 

 65 



*SS 



Saptampar u 



1 .7 

 2.9 



14 

 30 



100 

 85 



36 



45 



»SSI«IIT1 

 -SSIESI 



Penny R • Jung 



0.06 

 0.20 



0.50 







33 



3 



♦SS 

 ♦CS. ♦SS 



August U 

 W 

 P 

 D 



15.2 



40.5 



7.4 



24.8 



71 

 64 



4 

 85 



♦CS 

 ♦CS 

 -CS 



Saptatnber U 

 W 

 P 

 



ie.2 



9.8 



12.6 



1.3 



42 

 34 





 67 



♦CS 

 ♦CS 

 -CS 



Kuparuk R 



U 

 M 



6. J 



12.8 



1.0 



43 



94 



75 



-SS 



-SS 



Segavanirktok R U 

 Hi 

 D 



0.56 

 1.12 

 0. 14 



10 

 61 







ivisnak R u 



W 

 



3.1 

 3.3 



1.9 



80 



87 

 87 



17 

 8 

 5 



♦AC 



♦AC 



Dietrich R-Oownstraam u 

 M 

 



1.65 

 0.65 

 1.50 



54 



79 

 48 



-SS 



♦RWP 



Miodla Fork Ksyukuk 



River-Opstraam U 



UM 



LM 



OC 







4.2 



1.9 

 4.4 

 1.8 

 3.1 



Middle Fork koyukuk 



Ri var-Downstraam u 



M 



D 



1.3 

 2.7 



25 

 38 



♦SS, ♦RWF 



♦SS, ♦awF 



* « increased feiative to upstream 

 CS » coho salmon RwF » round whitefish 



AC 



between mined D ■ downstream 

 or iginai channel 



decreased relative to upstream SS 

 Arctic char LNS 



S [ imy SCu I p in 



longnose sucker 



177 



