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Table III. Piping Plover - R3 -1 Data Needs and Monitoring Referenee Codes <br />USFWS, r3Itabmref0413.wpd Page 19 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 />i) Vegetation Encroachment <br />Data Needs- vegetation: <br />Plant class composition (grass, <br />Transects at <br />0 Sediment /vegetation <br />Pre- and post- land <br />forbs, woody) <br />Research <br />selected areas <br />affected by land <br />model <br />0 Trend analyses <br />management <br />Height <br />Research <br />management <br />activit ost- land <br />y' p <br />Density <br />Research <br />activities <br />management <br />• Permanent <br />repeated annually <br />transects <br />for 8 years <br />Data Needs: <br />Discharge <br />Quantity, distribution of bare <br />LT /PP -04 <br />0 Records from <br />0 Aerial photographs <br />• Monitoring a <br />sandbars <br />-W& <br />LT /PP -05 -W <br />USGS gaging <br />r <br />Videography <br />continuing basis <br />as <br />Occurrence of thick, erosive ice <br />Research <br />stations <br />0 Records of timing <br />Sediment/vegetation <br />model <br />on river <br />and magnitude of <br />EA releases <br />c) Project level land management <br />Data Needs- channel morphology: <br />Transects across <br />Trend analyses <br />pre- and post- land <br />Water De th <br />p <br />Active channel width <br />LT /PP - LANDS <br />selected areas <br />0 Sediment/ vegetation <br />management <br />activit ost- land <br />y� p <br />Wetted width <br />LT /PP - LANDS <br />affected by land <br />model <br />management <br />Height of sandbar (cleared) <br />LT /PP -LANDS <br />management <br />activities - <br />repeated annually <br />Volume of sediment added <br />LT /PP - LANDS <br />upstream, through <br />(island leveling, channel <br />----------------------- - - - - -- <br />and downstream of <br />widening) <br />treatment area <br />USFWS, r3Itabmref0413.wpd Page 19 of 24 <br />April 13, 2001 <br />