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<br />Am",,1 Tornporatur. Patterns 000'" 1Ile lillie Colorado River Confluence <br />r. ' <br /> <br />I,. <br /> <br /> <br />$'-0 <br />... <br /> <br />51-" <br />... <br /> <br />is,Q <br /> <br />'F <br /> <br /> 'C <br /> 15h <br /> 14.0 <br /> U,I) .....j.. <br /> 12h <br />~ <br />i 11-" <br />J1M <br />~ <br /> ,.II <br /> <br />54.. <br /> <br />I 1 III <br /> <br />T.' <br /> <br />I I I I I I I I I l I I I I [1 I I I ~J 44,(\ <br />G. -'+'-~--++"~'--~h-i--+h7-h A 1900-mQZDai/y M.,. r."~, {-ir.,,1)"';"T-i---~-"~:r' ..,.. <br /> <br />~ ~ <br /> <br /> <br />"2.0 <br /> <br />Figure created by Susan Hueftle (USGS) <br /> <br />Figure 12. Mainstem Colorado River water temperature above the Little Colorado River. Cloud <br />of points represents 1990 - 2002 water temperatures. <br /> <br />0,12 <br /> <br />0,10 <br /> <br />~ <br /> <br />. <br /> <br /> <br />(3 <br /> <br />Carrying capacity = mainstem + LCR <br /> <br />#. 0.08 <br />LO <br />Cl) <br />"tl <br />c: <br />Cll <br /> <br />0.06 <br /> <br />Glen Canyon Dam <br />Completed <br /> <br />Lake Powell filled <br /> <br />.... <br />::::J <br />o <br />J::. <br />L- <br />a> <br />c. <br />J::. <br />o <br />iil <br />() <br /> <br />0,04 <br /> <br />0.02 <br /> <br />HBC Lifespan. (30 yrs) <br /> <br />0.00 <br /> <br />Carrying capacity = LCR <br /> <br />O~NMv~w~~mOrNMv~w~~mO~NMV~~~~mO~NMv~w~~mO~NMV~m <br />~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ooooooo <br />mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmooooooo <br />~~~~_______~____________________________NNNNNNN <br /> <br />Year <br /> <br />Figure 13. Potential explanation for the humpback chub CPUE trends observed since 1987. <br />Two different carrying capacities based on different amount of area available as humpback chub <br />habitat. <br /> <br />28 <br />