Laserfiche WebLink
Table 2- Rate of recapture of Upper Colorado River Basin endangered fishes after initial capture by electrofishing or <br />non-electrofishing gears. X 2 denotes the chi-square statistic for recapture rates of the two sampling gears and P denotes <br />the significance of the test that the recapture rates are similar between sampling gears. <br />Sampling gear at Number of Number of Recapture <br />initial capture fish tagged fish recaptured rate (%) X 2 P <br />Colorado pikeminnow <br />electrofishing <br />non-electrofishing <br />electrofishing <br />non-electrofishing <br />electrofishing <br />non-electrofishing <br />3,448 617 17.9 4.086 0.04 <br />1,526 310 20.3 <br /> humpback chub <br />1,972 115 5.8 1.051 0.31 <br />526 37 7.0 <br /> razorback sucker <br />489 113 23.1 0.379 0.54 <br />108 22 20.4 <br />15 <br />