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LIST OF FIGURES (Continued) <br />Figure Page <br />2.22 Seasonal distribution of depth to embeddedness for river-wide <br /> samples in the Colorado and Gunnison rivers ......................... 2-40 <br />2.23 Mean and 95% confidence intervals for peiiphyton chlorophyll-a' <br /> values calculated for the river-wide substrate samples in the Colorado <br /> and Gunnison rivers, 1994-1995 ................. .............. 2-41 <br />2.24 Seasonal distribution of periphyton chlorophyll-a for riffles and runs <br /> in the Colorado and Gunnison rivers, 1994-1995 ...................... 2-41 <br />2.25 Mean and 95% confidence interval of invertebrate dry weights for <br /> river-wide samples collected from the Colorado and Gunnison rivers, <br /> 1994-1995 ................. ......................... ...... 2-43 <br />2.26 Seasonal distribution of invertebrate dry weight for riffles and runs in <br /> the Colorado and Gunnison rivers, 1994-1995 ........................ 2-43 <br />2.27 Interrelationships between In chlorophyll a, In invertebrate dry <br /> weight, and principal components scores associated with physical <br /> factors measured by Lamarra (1999) .............................. 2-44 <br />2.28 Relationship of floodable area to river, flflow. at Escalante SWA near <br /> Delta . ....................................................... 2-46 <br />2.29 Relationship of surface area of different habitat types to river flow at <br /> a study site within Escalante SWA . .................. ...... .... 2-47 <br />3.1 Mean electrofrshing catch rates for four native fishes in 11 strata of <br /> the Colorado River and 1 stratum of the Gunnison River ................ . 3-4 <br />3.2 Plot of scores for factors 1 and 2 determined by principal components <br /> analysis of 13 river flow variables compared with relative density of <br /> three introduced cyprinids ........................................ 3-12 <br />3.3 Distribution of Colorado pikeminnow in the upper Colorado and <br /> Gunnison rivers . ............................... ..... .. ... 3-16 <br />3.4 Mean size of subadult and adult Colorado pikeminnow in the <br /> Colorado River for nine geomorphic strata described by Osmundson <br /> (1999) . ...................................................... 3-17 <br />Final Report xi July 2003