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<br /> Field Gauge <br /> Habitat River Flow Flow <br />Strata Cluster Mile (cfs) (cfs) Date <br />3 , 51.5 209.0 184 08/22/96 <br />j <br />4 I 53.5 235.9 217 10/16/96 <br />4 2 54.0 245.8 238 10/18/96 <br />6 2 62.8 132.2 94 09/1 0/96 <br />6 3 63.3 122.1 109 09111/96 <br />6 7 73.3 288.0 295 09/26/96 <br />6 11 77.8 134.9 89 09/12/96 <br />8 3 94.0 329.0 299 09/25/96 <br />8 6 1115 332.3 246 09/24/96 <br /> <br />Strata 2 <br /> <br />Cluster I (rm 23.9) <br />This cluster was sampled 6 and 7 November 1996 (Appendix 2, Table 1) near Big Joe Rapid on <br />the Yampa River. The flows llJl these days were 383 and 358 cfs, respectively. Six transects were <br />surveyed along this habitat cluster. One transect was placed across the fast rapid at the bottom <br />(control), two across the shallow and deep runs in the middle, and two transects across the fast <br />riffle at the top of the cluster Ilabitat type and substrate and width, depth and water velocity <br />measurements were taken along each transect. The length of the cluster was 821.2 ft, mean width <br />154.0 ft (54.5-257.1 ft.) and mean depths ranged from 1.0-3.94 ft. The primary habitat types found <br />in the cluster at 383 cfs were shallow runs (51 %) and deep runs (27%), followed by fast riffles <br />(12%) and slow shallow pools (]()%). There were no Class I or Class II pools. The primary habitat <br />available to Colorado squa\\llsh at all simulated flows (1-500 cfs) were deep run habitats. <br /> <br />Strata 3 <br /> <br />Cluster 1 (rm 45.5) <br /> <br />l'his cluster was sampled 22 October 1996 (Appendix 2. Tablc 2) near Disappuintment Draw <br />on the Yampa River. ["he Ilu\\ un this day was 433 cfs. Six transects were surveyed aloJlg this <br />habitat cluster. One transect \\as placed across the fast rifJle at the bollom (control), two across the <br /> <br />21 <br />