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Winter Ranges of Mule Deer in the Izzenhood Herd in Nevada Mule deer in the Izzenhood herd are part of a larger population known in Nevada as the “Area 6” mule deer population. They primarily reside on winter ranges in the Izzenhood Basin and upper Rock Creek drainages in western Elko County and northern Lander County. From their winter range, mule deer in this sub population migrate approximately 70 miles to summer ranges in the northern Independence Mountains and Bull Run Basin area. Some of the most important stopover areas are located near upper Rock Creek, Toe Jam Mountain, and Chicken Creek Summit. Challenges to this deer herd include past wildfires on winter range, conversion of native shrub habitats to exotic annual grasses, and lower primary production in some... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Battle Mountain, Izzenhood, Nevada, USA, animal behavior, All tags... biota, migration (organisms), migratory species, winter range, Fewer tags Age ratios and landscape change covariates for mule deer (Odocoileus hemionus) herd units in Wyoming, USA, 1985-2019 Sagebrush ecosystems and wildlife that depend on them are under pressure from development, changing climate, as well as natural and human-caused disturbance. Mule deer (Odocoileus hemionus) are of particular concern due to population declines across many western states. We initiated a study to evaluate landscape-level changes ( disturbances, habitat treatments, development, and climate change) in Wyoming. This dataset contains age ratios (the number of juveniles to adult female mule deer) for 36 herd units in Wyoming, USA from 1985-2019. Age ratios provide a consistent metric of population demographics, including an index of recruitment (survival rate of young), which can be a sensitive metric of population change.... Categories: Data; Tags: Climatology, Ecology, Gas, Impacts of Energy Production, Land Use Change, All tags... Natural Gas, North America, Odocoileus hemionus, Oil, Petroleum, SO 3362, USGS Science Data Catalog (SDC), United States, WLCI, Wildlife Biology, Wind, Wyoming, Wyoming Landscape Conservation Initiative, biota, climate change, demography, environment, forage, grasslands, land-use change, mule deer, precipitation (atmospheric), recruitment, remediation, sagebrush ecosystems, ungulate, wind energy, winter range, Fewer tags Winter Ranges of Mule Deer in the Pequop Mountains in Nevada The Area 7 mule deer population is one of the state’s largest deer herds with an estimated population of about 11,000 in 2019. This deer herd is highly important to Nevada from an economic and ecological perspective. It’s one of the longest distance deer migrations in the state of Nevada with some animals known to migrate over 120 miles during a single migration. A subset of this population, known as the “Pequop” herd, crosses a major highway (US highway 93) and an interstate (Interstate-80) twice annually during their seasonal migration. Several million dollars in wildlife crossing structures have been constructed to help these deer during their migration, yet they still face challenges to connectivity between... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Nevada, Pequop, USA, Wells, animal behavior, All tags... biota, migration (organisms), migratory species, winter range, Fewer tags Winter ranges of the Sheldon-Hart Mountain Interstate Pronghorn Herd in Northwestern Nevada and Southeastern Oregon The Sheldon-Hart Mountain pronghorn (Antilocapra americana) herd is part of a large interstate metapopulation distributed across northwest Nevada, southeast Oregon, and portions of northeast California. Some animals travel up to 100 miles between summer and winter ranges and traverse multiple federal land jurisdictions, including the Sheldon National Wildlife Refuge, Hart Mountain National Wildlife Refuge, and surrounding Bureau of Land Management (BLM) lands. The herd can be characterized as conditionally or partially migratory with approximately 65% of collared animals exhibiting migratory tendencies. Major summer ranges include portions of the Hart Mountain Wildlife Refuge, Sheldon National Wildlife Refuge, and... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Lakeview, Oregon, United States, animal behavior, migration (organisms), All tags... migratory species, winter range, Fewer tags