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1 September 2012 Estimating Shorebird Populations During Spring Stopover in Rice Fields of the Louisiana and Texas Gulf Coastal Plain
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Abstract

Migrating shorebird populations using approximately 2% of Louisiana and Texas Gulf Coastal rice fields were surveyed during spring migration (March–May of 1997 and 1998) using biweekly stratified random surveys conducted at 50 roadside survey points and approximately 30,000 shorebirds were observed. Shorebird counts were extrapolated and almost 1.4 million birds in 1997 and over 1.6 million birds of 31 species in 1998 were estimated to use rice field habitat for stopover sites in Louisiana and Texas. Greater than 50% of the estimated North American populations were estimated to use rice field habitats for five species, including a species of concern, Buff-breasted Sandpiper (Tryngites subruficollis) at 187%. Because of predictability of suitable rice field habitat acreage, timing of field preparation and water availability, coastal rice prairies are identified as critical spring migration stopover sites.

Wayne Norling, Clinton W. Jeske, Tyler F. Thigpen, and Paul C. Chadwick "Estimating Shorebird Populations During Spring Stopover in Rice Fields of the Louisiana and Texas Gulf Coastal Plain," Waterbirds 35(3), 361-370, (1 September 2012). https://doi.org/10.1675/063.035.0301
Received: 21 September 2011; Accepted: 12 April 2012; Published: 1 September 2012
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