Long‐term trends in fall age ratios of black brant

• Published in: The Journal of Wildlife Management
• Main Authors: Ward, David H., Amundson, Courtney L., Stehn, Robert A., Dau, Christian P.
• Other Authors: U.S. Geological Survey
• Format: Article in Journal/Newspaper
• Language: English
• Published: Wiley 2017
• Subjects: Brant; Branta bernicla; Alaska
• Online Access: http://dx.doi.org/10.1002/jwmg.21388; https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fjwmg.21388; https://onlinelibrary.wiley.com/doi/pdf/10.1002/jwmg.21388; https://onlinelibrary.wiley.com/doi/full-xml/10.1002/jwmg.21388; https://wildlife.onlinelibrary.wiley.com/doi/am-pdf/10.1002/jwmg.21388

ABSTRACT Accurate estimates of the age composition of populations can inform past reproductive success and future population trajectories. We examined fall age ratios (juveniles:total birds) of black brant ( Branta bernicla nigricans brant) staging at Izembek National Wildlife Refuge near the tip of...