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The Forest Service proposes two prescribed burns at Weiner Creek (1,500 acres) and Lower Cottonwood Creek (400 acres) to restore aspen habitat in one of the most important elk calving areas for the Afton herd and important for aspen-dependent species, transition and winter range for elk, mule deer, and moose east of Alpine, transition and winter range for mule deer and elk of crucial winter range just east of Smoot, and sagebrush, aspen, meadow, and willow habitat on transition range for mule deer and elk 30 miles up the Greys River.
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Using data from 288 adult and yearling female elk that were captured on 22 Wyoming winter supplemental elk feedgrounds and monitored with GPS collars, we fit Step Selection Functions (SSFs) during the spring abortion season and then implemented a master equation approach to translate SSFs into predictions of daily elk distribution for 5 plausible winter weather scenarios (from a heavy snow, to an extreme winter drought year). We then predicted abortion events by combining elk distributions with empirical estimates of daily abortion rates, spatially varying elk seroprevalence, and elk population counts. Here we provide the predicted abortion events on a daily basis at a 500m resolution for the 5 different weather...
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288 adult and yearling female elk were captured on 22 Wyoming winter supplemental elk feedgrounds and monitored with GPS collars during the brucellosis risk period (February – July) from 2007 to 2015. There were 4 to 64 individual elk per feedground and each elk was monitored for 1 to 2 years. Here we provide the unique identifier for each individual elk, the GPS location of the elk, the date/time stamp of the GPS location, and the feedground the elk was captured on in Wyoming.
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Conclusions: Elk consistently selected for big basin sagebrush, greasewood, and tree cover; and consistently selected against Wyoming sagebrush, mixed shrub, and bare ground/sand. Selection patterns were similar during the winter, except big basin sagebrush and mixed shrubs were selected in proportion to their availability. Elk tend to prefer areas characterized by edge habitat where quality forage and cover habitats are in close proximity to one another. Thresholds/Learnings: Elk use was highest in summer in areas characterized by diverse habitats and >2800m away from major roads. High use areas during winter were similar, although elk tended to use areas slightly closer to roads (>2100m away), which is largely...
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This project will involve prescribed burning 6546 acres (approximately half black) in a mosaic pattern in the Pole Creek area to improve upland plant communities, and aspen stands by removing conifer cover to help sustain aspen habitat by promoting suckering and removing competition by conifers to increase productivity and browse. The project includes a special emphasis on improvement of the age class and diversity of plant communities. Historically, some of this area has been classified as transitional and year long range for mule deer, elk, moose, and antelope. Healthy aspen, mountain shrub, grassland/forb and riparian communities are important parturition and fawn rearing areas for big game. By improving this...
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Conclusions: Reduction in landscape carrying capacity for wolf population distribution and viability depends largely on the degree of road density, public land ownership, amount of forest cover and high elk densities (another indicator of suitable habitat). Synopsis: This study employed two types of spatial models to evaluate the potential of wolf reintroduction in the southern Rocky Mountain region. A multiple logistic regression was used to develop a resource-selection function relating wolf distribution in the Greater Yellowstone region with regional-scale habitat variables. Researchers also used a spatially explicit population model to predict wolf distribution and viability at several potential reintroduction...
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Data was acquired during aerial surveys conducted by Montana Fish, Wildlife & Parks (FWP) between 1984 and 2005. The aerial surveys were conducted annually to count and classify elk in the area. Data are used by Montana Fish, Wildlife & Parks in their management responsibilities to set hunting seasons, determine population trends, and identify critical habitats. Observations were recorded on data forms and locations either plotted on USFS Maps (Deerlodge National Forest) or recorded by specific location. The data represents winter observations of elk. It is not intended to represent overall or annual distribution. Each individual observation represents one or more animals. Density of observations does not...
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Conclusions: Elk habitat selection ratios varied in response to road pattern. Regularly spaced roads negatively influenced habitat selection, whereas a clumped pattern supported larger blocks of road-free habitat. Road density threshold at which elk could still occur in high numbers: 1.5 km/km⊃2; Thresholds/Learnings: Road density threshold at which elk could still occur in high numbers: 1.5 km/km⊃2; Synopsis: This study tested 3 aspects of an elk road density model to determine patterns of elk behavior relative to road density and configuration. The study compared model predictions with observed values of elk habitat selection at varying levels of road density. It also compared the effect of different spatial...
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Using data from 288 adult and yearling female elk that were captured on 22 winter supplemental elk feedgrounds in Wyoming and monitored with GPS collars from 2007 - 2015, we fit Step Selection Functions (SSFs) during the spring abortion season and then implemented a master equation approach to translate SSFs into predictions of daily elk distribution for five plausible winter weather scenarios (from a heavy snow, to an extreme winter drought year). We predicted elk abortion events by combining elk distributions with empirical estimates of daily abortion rates, spatially varying elk seroprevalence, and elk population counts. Here we provide 1) the adult and yearling female elk GPS collar data used to fit SSFs, 2)...
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Using data from 288 adult and yearling female elk that were captured on 22 Wyoming winter supplemental elk feedgrounds and monitored with GPS collars, we fit Step Selection Functions (SSFs) during the spring abortion season and then implemented a master equation approach to translate SSFs into predictions of daily elk distribution for 5 plausible winter weather scenarios (from a heavy snow, to an extreme winter drought year). Here we provide the predictions of elk space use on a daily basis at a 500m resolution for the 5 different weather scenarios: 1) low snowfall year (2010), 2) average snowfall year (2012), 3) high snowfall year (2014), 4) hypothetical early snowmelt climate change scenario where spring green...
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Project Synopsis: This 2-year project will replace 4 strand barbed wire fence with 3 or 4 pole buck rail fence or 3 strand barbed wire with a top wooden rail at critical sections of the boundary of Fossil Butte National Monument (FOBU) (8,198 acres). FOBU's current fence is constructed using 4 strands of barbed and barbless wire on steel t-posts. A good share of it does not meet the standards recommended for wildlife friendly fence. This project would correct this deficiency in many of the critical areas where wildlife cross the monument boundary. Fossil Butte is within Wyoming's core sagegrouse area, contains winter range for elk and summer range for pronghorn and mule deer. No grazing is permitted within...
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We calculated mean adult and yearling female elk abundance for each Wyoming winter supplemental feedground subpopulation for data collected from 2009 to 2015. In addition, the average seroprevalence of brucellosis in elk attending feedgrounds was based on blood samples from adult and yearling female elk from 1993 to 2015. The sample size of disease tests and the number of years over which they were collected on each feedground are also listed. Serological profiles were categorized using the 2003 U.S. Department of Agriculture brucellosis eradication uniform methods and rules for cervids. These serological tests indicate whether or not an individual has been exposed, but not whether they are currently infected.
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Improving the quality of habitat for western big-game species, such as elk and mule deer, was identified as a priority by the Department of the Interior in 2018. Maintaining healthy herds not only supports the ecosystems where these species are found, but also the hunting and wildlife watching communities. For example, in Wyoming, big game hunting contributed over $300 million to the state’s economy in 2015. Yet as climate conditions change, the quantity, quality, and timing of vegetation available to mule deer, elk, and other ungulates, known as forage, could shift. It’s possible that these changes could have cascading impacts on the behavior and population sizes of many species. A key strategy used by managers...
    map background search result map search result map Pole Creek Prescribed Burn Weiner Creek and Lower Cottonwood Creek Prescription Burns Upper Clark Fork Elk Observations Fossil Butte Wildlife Friendly Fencing Elk distribution and modeling in relation to roads Seasonal distribution and habitat use patterns of elk in the Jack Morrow Hills Planning Area Impacts of landscape change on wolf restoration success: planning a reintroduction program based on static and dynamic spatial models. Elk movement and predicted number of brucellosis-induced abortion events in the southern Greater Yellowstone Ecosystem (1993-2015) Elk abundance and seroprevalence data in southern GYE 1993-2015 Elk GPS collar data in southern GYE 2007-2015 Predicted daily elk abortion events in southern GYE 2010, 2012, 2014 Predicted daily elk distribution in southern GYE 2010, 2012, 2014 Predicting Future Forage Conditions for Elk and Mule Deer in Montana and Wyoming Fossil Butte Wildlife Friendly Fencing Pole Creek Prescribed Burn Weiner Creek and Lower Cottonwood Creek Prescription Burns Elk distribution and modeling in relation to roads Seasonal distribution and habitat use patterns of elk in the Jack Morrow Hills Planning Area Upper Clark Fork Elk Observations Elk movement and predicted number of brucellosis-induced abortion events in the southern Greater Yellowstone Ecosystem (1993-2015) Predicted daily elk distribution in southern GYE 2010, 2012, 2014 Elk abundance and seroprevalence data in southern GYE 1993-2015 Elk GPS collar data in southern GYE 2007-2015 Predicted daily elk abortion events in southern GYE 2010, 2012, 2014 Predicting Future Forage Conditions for Elk and Mule Deer in Montana and Wyoming Impacts of landscape change on wolf restoration success: planning a reintroduction program based on static and dynamic spatial models.