Laserfiche WebLink
<br />The collection of fish less than lOmm TL from upper Lake Powell to RK <br />283 (RM 175) above the Green River confluence is conclusive evidence <br />that spawning occurs at several locations throughout that reach. There <br />have been no larva collected in the Gunnison River. The highest density <br />of larva in the Colorado River occurred between the Green confluence and <br />RK l77 (RM 110) suggesting that spawning is concentrated in this reach <br />or upstream. <br /> <br />Table 1. Suspected Colorado squawfish spawning areas, Upper Colorado <br />River Basin. <br /> <br />River <br /> <br />Reach <br /> <br />RK (RM) <br /> <br />Colorado River <br /> <br />Cataract Canyon <br />Lama to Black Rocks <br />Clifton to Grand Junction <br /> <br />-29 <br /> <br />a <br />to -23(-18 to -l4) <br />218-234 (135-l45) <br />274-290 (170-180) <br /> <br />Green River <br /> <br />Stillwa ter Canyon <br />Labyrinth Canyon <br />Green River, Utah <br />Steer Ridge Rapid <br />Sand Wash <br />Willow Cr eek <br />Dinosaur Quarry <br />Whirlpool Canyon <br /> <br />5-45 (3.2-28) <br />67-106 (41-66) <br />187-193 (116-120) <br />270-296 (168-184) <br />332-362 (206-225) <br />373-404 (232-251) <br />491-504 (305-3l3) <br />515-555 (320-345) <br /> <br />~egative values denote RK (RM) below GreeD and Colorado River confluence <br /> <br />16 <br />