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<br /> Abundance Abundance Annual natural recruitment per Adult population length frequency
<br /> 2 of 5 populations trend river, 3-yr rollino averaoe distribution, 3-yr rolling average
<br />Black Rocks/ Size cateaorv (mm)
<br />Westwater Black Rocks: ~1 5% @ 240 mm Black Rocks ~240: 1 0-20%
<br />Canyon 241-340: 50-90%
<br /> ~341 1-1 0%
<br />Colorado River Westwater: ~20% @ 220 mm Westwater ~220: 1 5-25%
<br /> 221-320: 65-75%
<br /> ~321 5-1 5%
<br />Grand Canyon/ Size cateaorv (mm)
<br />Little Colorado LC-Grd Canyon: ~20% @ 1 50 mm LC-Grd Canyon: ~200: 5-30%
<br />River 201-340: 30-40%
<br /> . 2,500 adult fish ~341 25-45%
<br />Colorado River minimum
<br /> . :::1 75 mm None
<br />Vampa/Split . lower estimate of Size cateaorv (mm)
<br />Mtn./Whirlpool 95% C.!. for Yampa: ~1 0% @ 240 mm Yampa: ~240: 1 0-20%
<br />Canvons each annual 201 -340: 50-90%
<br /> ~341 1-1 0%
<br />Green River estimate :::1 ,250
<br />Cataract Canyon Size cateaorv (mm)
<br /> Cataract: ~1 0% @ 240 mm Cataract: ~240: 1 0-20%
<br />Colorado River 201-340: 50-90%
<br /> ~341 1-1 0%
<br />Desolation/ Size cateaorv (mm)
<br />Grav Canvons Deso-Gray: ~1 0% @ 240 mm Deso-Gray: ~240: 1 0-20%
<br /> 241-340: 50-90%
<br />Green River ~341 1-1 0%
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