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Table III. Piping Plover - R3 -1 Data Needs and Monitoring Reference Codes <br />USFWS, r3 1 tabmref04l3.wpd Page 18 of 24 <br />April 13, 2001 <br />Monitoring <br />Potential Sources <br />Possible Analysis <br />Reference Codes <br />of Current and <br />Methods' <br />Time Frame <br />a) Channel morphology/ sediment <br />availability <br />Data Needs <br />WC roost transects <br />Sediment/vegetation <br />4 -5 annually, for 8 <br />Water Depth <br />LT /PP -O 1 -W <br />USGS /USBR <br />sediment transects <br />model <br />0 Trend analyses <br />years (transects); <br />incidentally, pre - <br />Active channel width <br />LT /PP -01 -W <br />Permanent <br />and post -flood <br />Wetted width <br />Extent of bare substrate <br />LT /PP -01 -W <br />LT /PP -08 -W <br />transects <br />Aerial /satellite <br />measurements <br />photographs <br />• Videography <br />Data Needs sediment attributes: <br />Sediment load <br />USGS /BOR <br />0 Trend analyses <br />6 times /year, for 5- <br />Sediment concentration <br />LT /PP -02 -W <br />LT /PP <br />sediment transects <br />0 GIS database queries <br />6 years <br />Grain size <br />-02 -W <br />LT /PP -02 -W <br />Permanent <br />0 Sediment /vegetation <br />transects <br />model <br />• Upstream and <br />downstream of <br />major inflows and <br />diversions <br />Data Needs: <br />Discharge <br />✓ <br />USGS gaging <br />stations <br />• Permanent <br />transects <br />USFWS, r3 1 tabmref04l3.wpd Page 18 of 24 <br />April 13, 2001 <br />