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Table I. Evaluation of Program Effects on Whooping Crane <br />10 <br />Potential Sources of Current and <br />Possible Analysis <br />Future Data <br />Methods' <br />Time Frame <br />Program Effects on Whooping Crane Habitat <br />A. Channel Roost Habitat <br />1) Program effects on immediate (daily) <br />quantity and quality of aquatic roosting <br />habitat during migration periods <br />Data Needs: <br />Water Depth <br />WC roost transects <br />0 GIS database <br />During migrations; <br />Channel Width <br />USGS/USBR sediment transects (nearest to <br />0 Whooping crane <br />frequency determined <br />Wetted width <br />WC roost transects) <br />instream flow model <br />by WC observations <br />Data Need: <br />USGS gaging station (nearest to WC roost <br />0 Whooping crane <br />Daily during <br />Discharge <br />transects) <br />instream flow model <br />migration; 10 -13 yrs <br />2) Program effects on quantity, quality, and <br />spacial distribution of open - channel roosting <br />habitat <br />Data Need: <br />Aerial/satellite photographs <br />Trend analyses <br />Annually <br />Continuous active channel width <br />Videography <br />Quantitative <br />• GIS database <br />before /after by bridge <br />• Permanent transectS2 <br />segment <br />3) Program Effects on sustainability of channel <br />habitat <br />a) Channel morphology/ sediment <br />availability <br />WC roost transects <br />Sediment/vegetation <br />at least annually <br />Data Needs <br />USGSBOR sediment transects <br />model <br />during low flow; 10- <br />Water depth <br />Permanent transects <br />Trend analyses <br />13 years (transects); <br />Active channel width <br />incidentally, post - <br />Wetted width <br />flood measurements <br />Width of unobstructed view <br />10 <br />