An evaluation of productivity and mortality factors influencing goose populations: A status report of the 1984 waterfowl monitoring effort at Old Chevak field camp
Published By US Fish and Wildlife Service, Department of the Interior
Issued over 9 years ago
US
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Summary
Description
During spring and summer 1984 data were obtained from nine field camps located on the Yukon Delta National Wildlife Refuge one cooperative camp and eight refuge camps. This report documents methodologies used at the Old Chevak field camp. Additionally, this report describes the daily weather conditions; the chronology of snowmelt; the arrival, harvest, production and habitat utilization by Pacific black brant Branta bernicla nigricans, cackling Canada geese B. canadensis minima, emperor geese Chen canagica and Pacific whitefronted geese Anser albifrons frontalisat the Old Chevak field camp.