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2012 North Bighorn Sero -Positive Tests in Elk

2012 North Bighorn Sero -Positive Tests in Elk. Bald Mountain. Bear Creek. North Bighorns Elk Herd Unit. Sheridan Region responsible for Herd Unit and hunt areas east of Bighorn hydrographic divide (35, 36, 37 & 38).

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2012 North Bighorn Sero -Positive Tests in Elk

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  1. 2012 North Bighorn Sero-Positive Tests in Elk

  2. Bald Mountain Bear Creek

  3. North Bighorns Elk Herd Unit • Sheridan Region responsible for Herd Unit and hunt areas east of Bighorn hydrographic divide (35, 36, 37 & 38). • Cody Region responsible for Hunt Areas west of Bighorn hydrographic divide (39 & 40).

  4. North Bighorns Elk Herd Cont. • Population Objective: 4350 (post season) • Trend Count : 5500 (post season) • Calf productivity: 48 (Herd unit average) • Hunting season structure: In 2012, ranged from Sept. 1 – Dec. 20. Proposing longer rifle seasons in 2013

  5. Sub Objectives(3 year averages) • HA 35/36 - 1,200 elk (1373) • HA 37 – 800 elk (1207) • HA 38 – 1,000 elk (1074) • HA 39 – 500 elk (383) • HA 40 – 850 elk (873)

  6. Figure 10. Elk trend counts (blue bars), harvest (red line) and post season objective (green line) in North Bighorn Herd Unit.

  7. Hall Sawyer Study • One hundred and seven elk were collared to obtain movement and distribution information • Study ran from 1993 – 1996 • Tremendous amount of information collected • Elk in HA 40 use numerous areas to winter

  8. February-April Elk Distributions

  9. May – June Elk Distributions

  10. Garvin Basin Elk Study • Prepared by Crow Tribe and the United States Fish and Wildlife Service • Completed in 2001 • March 1998 through August 2000 • Conventional and GPS Collars • Five cow elk fitted with vaginal transmitters

  11. Results

  12. Comingling Risks

  13. Future Surveillance • Continue monitoring around DSA • Increased sample collections • Bighorn Mountain Hunt Areas • Increased effort to document elk distribution information on and around Bighorns

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