Aerial Imagery Captured at Nesting Pacific Black Brant (Branta bernicla nigricans) Colonies on the Yukon-Kuskokwim Delta, Alaska, 1993-2016
October 8, 2019
This data set contains one table of the habitat classifications from imagery captured during aerial photographic surveys at the five primary Pacific black brant colonies on the Yukon-Kuskokwim Delta in western Alaska from 1993-2016.
Citation Information
| Publication Year | 2019 |
|---|---|
| Title | Aerial Imagery Captured at Nesting Pacific Black Brant (Branta bernicla nigricans) Colonies on the Yukon-Kuskokwim Delta, Alaska, 1993-2016 |
| DOI | 10.5066/P9CJ2YZQ |
| Authors | Brian D Uher-Koch |
| Product Type | Data Release |
| Record Source | USGS Digital Object Identifier Catalog |
| USGS Organization | Alaska Science Center |
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Changes in ecological conditions can induce changes in behavior and demography of wild organisms, which in turn may influence population dynamics. Pacific black brant (Branta bernicla nigricans) nesting in colonies on the Yukon-Kuskokwim Delta (YKD) in western Alaska have declined substantially (~50%) since the turn of the century. Pacific black brant are herbivores that rely heavily on Carex subs
Authors
Madeleine G Lohman, Thomas V. Riecke, Cheyenne R Acevedo, Brian T. Person, Joel A. Schmutz, Brian D. Uher-Koch, James S. Sedinger
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Changes in behavior are unable to disrupt a trophic cascade involving a specialist herbivore and its food plant
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