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Table II. Interior Least Tern - R3 -1 Data Needs and Monitoring Reference Codes <br />USFWS, r3 1 tabmref04l3.wpd Page 12 of 24 April 13, 2001 <br />Monitoring <br />Potential Sources <br />Possible Analysis <br />Reference Code <br />of Current and <br />Methods' <br />Time Frame <br />c) Food availability <br />Data Needs: <br />Sampling within <br />p g <br />• Trend analyses <br />0 Ongoing <br />Discharge <br />✓ <br />one mile of nesting <br />Water temperature <br />---------------------- - - - - -- <br />terns <br />Climate data (for water temp. <br />✓ <br />modeling) <br />V Twice during <br />Fish community structure, species <br />nesting season; 10- <br />composition <br />LT -01 -W <br />13 years <br />2) Program effects on the sustainability of <br />riverine nesting habitat <br />a) Channel morphology/ sediment <br />availability <br />WC roost transects <br />Sediment /vegetation <br />Annually, 10 -13 <br />Data Needs <br />USGS /USBR <br />model <br />yrs <br />Water Depth <br />✓ <br />sediment transects <br />Trend analyses <br />Incidentally, post - <br />Active channel width <br />LT /PP -01 -W <br />Permanent <br />flood <br />Wetted width <br />LT /PP -01 -W <br />transects <br />measurements <br />Extent of unobstructive bare <br />Aerial /satellite <br />substrate <br />LT /PP -04 -W <br />photographs <br />• Videography <br />Data Needs- sediment attributes: <br />0 USGS /BOR <br />Trend analyses <br />Annually, 10 -13 <br />Suspended sediment <br />LT /PP -02 -W <br />sediment transects <br />GIS database queries <br />yrs. <br />Bed samples (grain size) <br />LT /PP -02 -W <br />0 Permanent <br />Sediment /vegetation <br />transects <br />model <br />• Downstream of <br />major inflows <br />USFWS, r3 1 tabmref04l3.wpd Page 12 of 24 April 13, 2001 <br />