Appendix Table 2 fruidinfr effectiveness of three methods of enersrizinfr 



an electrode array as indicated by the ratio of the number of fish in 

 the narrow channel to th'' total number recovere 1 dovmstream, expressed 

 as a percentaire. Fish were released in lots of 15 each. 



i'ositive Positive Alternate 

 Upstrea:n Dotmstream Polarity Control 



oo d si (u pq cfl^ 



oo oJ^ V p5 jri^ a> 



„ gll-SS ^^^-g^ ^^g-SS ^^;St3 



1 11 2 18,2 li; 7 50.0 10 3 30.0 11 l 9-1 



2 12 7 58.3 13 7 53-8 13 7 53-8 15 0.0 



3 13 8 61.5 1^ 6 ii2.9 12 h 33.3 11 1 9-1 

 k 92 22.2 11 6 5i+.5 13 6 1+6.1 10 3 30.0 



5 lit 3 21. i+ 11 k 36. li 12 3 25.0 13 1 7-7 



6 13 6 U6.1 11 8 72.7 12 3 25.0 15 0.0 



7 12 6 50.0 12 3 25.0 15 10 66.7 13 1 7.7 



8 11 4 36. U 10 3 30.0 11 h 36. U 10 2 20.0 



9 11 3 27.3 12 2 16.7 9 6 66.7 10 2 20.0 



10 12 5 In. 7 8 2 25.0 11 8 72.7 12 2 I6.7 



11 li^ 5 35.7 1^+ 7 50.0 13 ^ 30.8 12 h 33.3 



12 12 6 50.0 11 i+ 36.it 11 9 81.8 13 3 23.1 



All day ikk 57 39-6 l^il 59 ^^.8 U2 67 U7.2 11^5 20 13-8 



11 



