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Broad-scale Relationships Between Shorebirds and Landscapes in the Southern Great Plains


Publication Date
2013-01-01 06:00:00
Start Date
2013-01-01 06:00:00
End Date
2013-01-01 06:00:00


Gene Albanese(Author), Craig A. Davis(Author), 2013-01-01(Publication), Broad-scale Relationships Between Shorebirds and Landscapes in the Southern Great Plains,


Stopover use by migrating shorebirds is affected by patch-level characteristics of habitat, but the relative influence of broadscale factors is poorly understood. We conducted surveys of ten 10-km-radius landscapes in north-central Oklahoma from 2007 through 2009 to examine the influence of the amount and composition of wetland habitats and surrounding land cover on shorebird use during migration. We used generalized linear modeling and an information-theoretic framework to identify factors that best explained species richness, total abundance, and abundance of four groups of shorebirds classified by breeding status and migration distance. Total abundance and richness both increased with the area of wetland habitat within a landscape, [...]


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We examined the relationship between migrant shorebird richness and abundance and the landscape composition of saturated and shallow-water habitats and other land-cover types in north-central Oklahoma. Specifically, our objectives were to (1) identify shorebird habitat and use successive habitat surveys to estimate the changing availability of these habitats within landscapes over time; (2) quantify the composition of semi-natural and developed land-cover types that were not defined as shorebird habitat within landscapes; and (3) examine landscape-level relationships between shorebird richness and the abundance of different shorebird groups, and the landscape composition of different shorebird habitats and nonhabitat land-cover types. Our expectations were that the richness and abundance of shorebirds during migration would be positively related to the area of shorebird habitat within landscapes regardless of the composition of other landcover types, and that relationships with shorebird habitat types would differ among shorebird groups.


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editionJan 2013
journalThe Auk: Ornithological Advances
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