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Table 3. Habitat variables measured on the ground at used <br /> and a sample of decoy locations. <br /> Variable Code Variable Description <br /> Fine Sand Percent fine sand (< 1 mm) <br /> Coarse Sand Percent coarse sand (1-4.9 mm) <br /> Sm Gravel Percent small gravel (5-14.9 mm) <br /> Lg_Gravel Percent large gravel (> 15 mm) <br /> dist vo Distance to visual obstructions (m) <br /> area clear Area clear of visual obstructions (km2) <br /> o to o width Obstruction to obstruction width (m) <br /> o to o width2 Obstruction to obstruction width squared (m) <br />Table 4. Flow dependent habitat variables obtained from measured profiles and HECRAS <br />modeling. <br />Variable Code Variable Description <br />Width Top wetted width of main channel (meters) <br />Depth Hydraulic depth of the main channel calculated as area/ wetted top width (meters) <br />Flow Flow computed in main channel (cfs) <br />Sandbar elevation Average elevation of profile above water level (meters) <br />22