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width transects, and of the main channel, were evaluated on a scale of 0-2: "0" meaning clear and <br />~. ~ ~ , <br />~ ~~~Z" meaning exceptionally murky. Cover on and in the backwater was estimated ocularly and <br />3~ ..: <br />,,~" recorded as the percent of the backwater. Finally, each sampled habitat was categorized by its <br />~~ <br />~J method of formation (Table 1). <br />Data were stored electronically in dBase~IV, version 2® at UDWRs Northeastern Region <br />Office (HERO). Graphics were produced using Quattro Pro 6® for Windows. Statistical <br />analyses of use vs availability, regression analysis and discriminant function analyses were <br />conducted with SAS® soflwaze. <br /> <br />9 <br />