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- Title
Predicting Columbian Sharp-tailed Grouse lek occurrence in Grand Teton National Park, Wyoming.
- Authors
LAUTENBACH, JONATHAN D.; STEPHENSON, JOHN A.; BECK, JEFFREY L.
- Abstract
Many North American populations of lekking grouse have declined across their ranges, and understanding and evaluating population trajectories can assist in better managing these iconic species. Columbian Sharp-tailed Grouse (Tympanuchus phasianellus columbianus) is a subspecies of Sharp-tailed Grouse that has declined across its range in the Intermountain West over the past century. Management of this species primarily focuses on habitat around leks; therefore, knowing where Columbian Sharp-tailed Grouse leks occur is key to their conservation. We used a resource selection framework to predict lek occurrence in an area with multiple known leks in Carbon County, Wyoming. We used this model to predict lek occurrence in an area with only one known lek in Grand Teton National Park. Our model predicting lek locations in Carbon County was a strong predictor of lek occurrence in that area (rs = 0.97), and when this model was projected onto Grand Teton National Park, the one known lek in the park was located in an area of very high probability for lek occurrence (>90% probability of lek occurrence). We also used this predictive surface to locate 1 unknown lek and 7 other locations in Grand Teton National Park used by Columbian Sharp-tailed Grouse as detected by fecal droppings, feathers, or birds flushed. Our methods demonstrated that a resource selection framework from one area can be used to predict lek and other occurrences in another area when these areas have similar vegetation compositions.
- Subjects
GRAND Teton National Park (Wyo.); WYOMING; GROUSE; NATIONAL parks &; reserves; PARK use; FORECASTING; AMERICANS; HABITATS
- Publication
Western North American Naturalist, 2022, Vol 82, Issue 2, p409
- ISSN
1527-0904
- Publication type
Article
- DOI
10.3398/064.082.0214