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~~ i z <br />1 <br />Table x. Descriptions of eight major habitat types. <br />Habitat <br />Description <br />Main Channel Primary river course that carries the <br />major water flow throughout most of the <br />year. <br />Backwater A body of water off the main channel with <br />no measurable velocity; often created by <br />an eddy or drop in water level which part- <br />ially isolates a former side channel or <br />low-lying area. <br />Side Channel A side channel which carries appreciable <br />flow during high water and provides a low <br />velocity habitat during low flow. <br />Eddy A portion of the stream deeper than the <br />adjacent channel with a distinct <br />whirlpool effect. <br />Pool A portion of the stream that is deep and <br />quiet relative to the main current. <br />Riffle A shallow, fast-flowing area where the <br />water surface is broken into waves by <br />obstructions wholly or partly submerged. <br />Run A stretch of relatively deep, fast, laminar <br />flow with the surface essentially non <br />turbulent. <br />Shoreline The shallow, low-to-negligible velocity <br />waters next to shore. <br />