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Table I. Evaluation of Program Effects on Whooping Crane <br />11 <br />Potential Sources of Current and <br />Possible Analysis <br />Future Data <br />Methods' <br />Time Frame <br />a) Channel morphology/ sediment <br />availability <br />WC roost transects <br />0 Sediment/vegetation <br />4 -5 annually, for 8 <br />Data Needs <br />USGS/USBR sediment transects <br />model <br />years (transects); <br />Water Depth <br />Permanent transects <br />0 Trend analyses, <br />incidentally, pre- and <br />Channel Width <br />post -flood <br />Wetted width <br />measurements <br />Width of unobstructed view <br />rata Need: <br />USGS gaging station (nearest to WC roost <br />Discharge <br />transects <br />• Permanent transects <br />Data Needs sediment attributes: <br />USGSBOR sediment transects <br />Trend analyses <br />6 times /year, for 5 -6 <br />Sediment load <br />Permanent transects <br />GIS database queries <br />years <br />Sediment concentration <br />Upstream and downstream of major inflows and <br />Sediment/vegetation <br />Grain size <br />diversions <br />model <br />b) Vegetation Encroachment <br />Pre- and post - land <br />Data Needs vegetation: <br />Transects at selected areas affected by land <br />Sediment/vegetation <br />management activity; <br />Species composition <br />management activities <br />model <br />post- land management <br />Height <br />Permanent transects <br />Trend analyses <br />repeated annually for 8 <br />Density <br />years <br />Data Need: <br />Records from USGS gaging stations <br />Aerial photographs <br />Monitoring on a <br />Discharge <br />Records of timing and magnitude of EA <br />Videography <br />continuing basis <br />releases <br />Sediment/vegetation <br />model <br />11 <br />