Moose (Alces alces) population survey in Yukon-Charley Rivers National Preserve, November 2019
Cameron MD and Schertz DT. 2020. Moose (Alces alces) population survey in Yukon-Charley Rivers National Preserve, November 2019. Natural Resource Report. NPS/YUCH/NRR—2020/2127. National Park Service. Fort Collins, Colorado
● Overall survey dates: November 10–23, 2019 (10 days of survey, 4 weather days) ○ Stratification dates: November 11–17, 2019 (5 days of survey, 3 weather days) ○ Survey dates: November 18–23, 2019 (5 days of survey, 1 weather day) ● Total survey area: 3,096 mi2 (8,018 km2), 555 survey units ● Area surveyed: 670 mi2 (1,735 km2), 120 survey units ● Total moose observed: 249 (142 cows, 37 calves [1 set of twins], 70 bulls [3 spike-fork bulls]) ● Average search effort: 5.7 minutes/mi2 (2.2 minutes/km2) ● Population estimate: 873 moose (90% CI: 730–1,016; +/−16%) ● Estimated density: 0.28 moose/mi2 (0.11 moose/km2) ● Estimated age/sex ratios: 26 calves:100 cows, 2 yearlings bulls:100 cows, 49 bulls:100 cows
- Type
- Published Report
- Authors
- Cameron, Matthew; Schertz, Dylan
- Date of Issue
- 2020-05
- Publisher
- National Park Service
- Units
- NRSS , YUCH
- Keywords
- Alaska, Alces alces, GSPE, moose, vital sign, YUCH, Yukon-Charley Rivers National Preserve