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Table III. Piping Plover - R3 -1 Data Needs and Monitoring Reference Codes <br />USFWS, r3 ltabmref0413.wpd Page 17 of 24 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. Program Effects on Piping Plover Habitat <br />1) Program effects on quantity, quality, and <br />spacial distribution of piping plover riverine <br />nesting habitat <br />a) Wide active channels <br />Data Needs: <br />0 Aerial /satellite <br />Trend analyses <br />At 3 -year intervals <br />Open, active channel width <br />LT /PP -01 -W <br />photographs <br />Quantitative <br />Wetted width <br />LT /PP -0 1 -W <br />0 Videography <br />before /after <br />• GIS database <br />comparisons by <br />• Permanent <br />bridge segment <br />transects2 <br />b) Suitable sandbars for nesting <br />Data Needs: <br />0 Aerial /satellite <br />0 Trend analyses <br />Videography, at <br />Amount of unobstructed bare <br />photographs <br />9 Quantification by <br />least 3x annually; <br />sand substrate at various <br />0 Videography <br />bridge segment <br />10 years <br />discharges (especially at nest <br />0 Permanent <br />0 Sediment /vegetation <br />Permanent <br />initiation) <br />LT /PP -08 -W <br />transects <br />model <br />transects, annually, <br />• USGS gaging <br />10 -13 yrs <br />stations <br />c) Optimal forage habitat <br />Data Needs: <br />Quantity of moist/wet substrate <br />PP -0 1 -W <br />Annually, during <br />summer, 10 years <br />2) Program effects on the sustainability of <br />riverine nesting habitat <br />USFWS, r3 ltabmref0413.wpd Page 17 of 24 April 13, 2001 <br />