Shorebird abundance and distribution on the coastal plain of the Arctic National Wildlife Refuge
Condor
By: S. Brown, J. Bart, Richard B. Lanctot, J. A. Johnson, S. Kendall, D. Payer, and J. Johnson
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Abstract
The coastal plain of the Arctic National Wildlife Refuge hosts seven species of migratory shorebirds listed as highly imperiled or high priority by the U.S. Shorebird Conservation Plan and five species listed as Birds of Conservation Concern by the U.S. Fish and Wildlife Service. During the first comprehensive shorebird survey of the 674 000 ha "1002 Area" on the coastal plain, we recorded 14 species of breeding shorebirds at 197 rapidly surveyed plots during June 2002 and 2004. We also estimated detection ratios with a double counting technique, using data collected at 37 intensively studied plots located on the North Slope of Alaska and northern Canada. We stratified the study area by major habitat types, including wetlands, moist areas, uplands, and riparian areas, using previously classified Landsat imagery. We developed population estimates with confidence limits by species, and estimated the total number of shorebirds in the study area to be 230 000 (95% CI: 104 000-363 000), which exceeds the biological criterion for classification as both a Western Hemisphere Shorebird Reserve Network Site of International Importance (100 000 birds) and a Ramsar Wetland of International Importance (20 000 birds), even when conservatively estimated. Species richness and the density of many species were highest in wetland or riparian habitats, which are clustered along the coast. ?? The Cooper Ornithological Society 2007.
Suggested Citation
Brown, S., Bart, J., Lanctot, R., Johnson, J.A., Kendall, S., Payer, D., Johnson, J., 2007, Shorebird abundance and distribution on the coastal plain of the Arctic National Wildlife Refuge: Condor, v. 109, no. 1, p. 1-14, https://doi.org/10.1650/0010-5422(2007)109[1:SAADOT]2.0.CO;2.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Shorebird abundance and distribution on the coastal plain of the Arctic National Wildlife Refuge |
| Series title | Condor |
| DOI | 10.1650/0010-5422(2007)109[1:SAADOT]2.0.CO;2 |
| Volume | 109 |
| Issue | 1 |
| Year Published | 2007 |
| Language | English |
| Contributing office(s) | Forest and Rangeland Ecosystem Science Center |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Condor |
| First page | 1 |
| Last page | 14 |