Moose (Alces alces) population survey in Yukon-Charley Rivers National Preserve, November 2022
Sorum MS, Pruszenski J, Joly K, Cameron MD. 2023. Moose (Alces alces) population survey in Yukon-Charley Rivers National Preserve, November 2022. Natural Resource Report. NPS/YUCH/NRR—2023/2589. National Park Service. Fort Collins, Colorado. https://doi.org/10.36967/2301061
Overall survey dates: November 6-19, 2022 (10 days of survey, 3 weather days) Total survey area: 3,096 mi2 (8,018 km2), 555 survey units Area surveyed: 614 mi2 (1,590 km2), 110 survey units Total moose observed: 183 (101 cows, 21 calves [2 set of twins], 61 bulls) Average search effort: 5.9 minutes/mi2 (3.5 minutes/km2) Population estimate: 738 moose (90% CI: 548-928; +/-26%); long-term average 848 moose Estimated density: 0.24 moose/mi2 (0.62 moose/km2); long-term average 0.27 moose/mi2 Estimated age/sex ratios: 19 calves:100 cows, 7 yearlings bulls:100 cows, 60 bulls:100 cows
- Type
- Published Report
- Authors
- Sorum, Matthew; Pruszenski, Jordan; Joly, Kyle; Cameron, Matthew
- Date of Issue
- 2023-11
- Publisher
- National Park Service
- DOI
- 10.36967/2301061
- Units
- NRSS , YUCH
- Keywords
- Alaska, Alces alces, GSPE, moose, vital sign, YUCH, Yukon-Charley Rivers National Preserve
- Subjects
- Ecological Framework: Biological Integrity | Focal Species or Communities | Mammals