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<br />Table 7. Humpback chub (>150 mm TL) catch statistics using raft electrofishing methods. <br /> <br />Year <br /> <br />Date <br /> <br />Effort <br />(h) <br /> <br />Number <br />captured <br /> <br />CPUE <br /> <br />SD <br /> <br />cv <br /> <br />1998 Jul 9-12 1.3 2 1.54 <br /> Jul 20-24 20.0 11 0.55 0.700 0.67 <br />1999 Jun 28-Jul 2 11.4 12 1.05 <br /> Ju112-14 5.8 8 1.38 0.233 0.19 <br />2000 Jun 8- 9 9 <br /> Jun 19-22 22.8 18 0.79 <br /> Jun 26-28 23.7 17 0.72 0.049 0.07 <br /> Mean 0.31 <br /> <br />26 <br />