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Annual report on vital signs monitoring of moose (Alces alces) distribution and abundance in Yukon-Charley Rivers National Preserve, Central Alaska Network: November 2012 survey report

Dates

Year
2013

Citation

Burch, John, 2013, Annual report on vital signs monitoring of moose (Alces alces) distribution and abundance in Yukon-Charley Rivers National Preserve, Central Alaska Network: November 2012 survey report: National Park Service: Fort Collins, Colorado, v. NPS/CAKN/NRTR—2012/772.

Summary

Executive Summary Survey dates: November 12-16, 2012 (5 days of survey, 0 weather days) Total survey area: 3,096 mi2 (8,019 km2), 555 survey units Area surveyed: 664 mi2 (1720 km2), 119 survey units Total moose observed: 223 (118 cows, 25 calves [0 sets of twins], 80 bulls [11 spike-fork bulls]) Applied sightability correction factor = 1.2 (ADF&G radiotelemetry studies, GMU 20A, 2007, and previous Yuch moose surveys) Average search effort: 5.96 minutes/mi2 (2.30 minutes/km2) *Population estimate: 936 moose +/- 195 (741 – 1131) (+/-20.84% at 90% CI) (489 cows, 118 calves, 329 bulls [55 spike-fork (yrl) bulls]) *Estimated density: 0.302 moose/mi2 (0.117 moose/km2) *Estimated age/sex ratios: 24 calves:100 cows, 27 yearlings:100 cows, [...]

Contacts

Author :
Burch, John
Publisher :
National Park Service
Institution :
National Park Service

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Provenance

Data source
File Processing
File Process
Type
End Note
Reference Item
Multiple URL test
Reference File
NWBLC-multiple-urls.xml

Additional Information

Alternate Titles

  • Natural Resource Technical Report

Citation Extension

parts
typeNotes
value6456
typeVolume
valueNPS/CAKN/NRTR—2012/772
typePublication City
valueFort Collins, Colorado
citationTypeReport

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