Terrestrial Ecosystems
Terrestrial Ecosystems
The Northern Rockies are blessed with an abundance of plant and animal species that have remained relatively intact since the Lewis and Clark expedition in the early 19th century. Expanding energy development, increasing human population pressures, and the continued demand on global water resources make the management of wildlife more complicated than ever. NOROCK works collaboratively with partners to study key life history and habitat needs of these species.
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Bighorn Sheep and Mountain Goat Research in Western National Park Units
Mountain goat and bighorn sheep are iconic symbols of many national lands in the West. Both species have limited distributions that can be difficult to observe and face multiple stressors including disease, increasing recreation in remote areas, and shifting weather regimes that influence their forage and thermoregulation. As species with relatively small population sizes, understanding...
Using Pollinator Environmental DNA to Assess the Ecological Resilience of America’s Grasslands
Scientists from six USGS science centers are collaborating with USDA, university, and Tribal partners, and Department of the Interior land managers, to assess the status of pollinator communities and the distribution of species of conservation concern using environmental DNA. These methods will be used to improve assessments of habitat quality and pollinator responses to restoration, including...
By
Species Management Research Program, Eastern Ecological Science Center, Forest and Rangeland Ecosystem Science Center, Great Lakes Science Center, Northern Prairie Wildlife Research Center, Northern Rocky Mountain Science Center, Upper Midwest Environmental Sciences Center, Pacific Northwest Environmental DNA Laboratory
USGS research on the effects of renewable energy on wildlife
Renewable energy development, such as solar and wind energy, is growing in the United States and is expected to continue expanding for the foreseeable future. However, renewable energy infrastructure can be a risk to some wildlife including threatened and endangered species. Wildlife managers and energy developers need wildlife risks to be assessed and effective strategies to mitigate those risks...
Opportunities at NOROCK
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Evaluating Transmission of Chronic Wasting Disease in the Environment
Chronic wasting disease (CWD) is a fatal disease of deer, elk, and moose and has been spreading in North America for the past two decades. The disease is spread by infected body fluids. Animals can become infected by coming into direct contact with a CWD-infected animal, or an infected animal can leave behind fluids (e.g., saliva, urine) that an uninfected animal will come into contact later...
Developing Tools to Evaluate Chronic Wasting Disease Transmission Risk
Chronic Wasting Disease (CWD) infects and kills ungulates (deer, elk, moose), and has been spreading across North America for the past 20 years. Some ungulate populations have declined because of CWD and there are no viable vaccines or treatments for this disease. Therefore, tools that assist wildlife managers in preventing and mitigating CWD can be powerful assets in protecting our nation’s big...
USGS Chronic Wasting Disease Research at NOROCK
Over the past 20 years, chronic wasting disease (CWD) in Wyoming has been spreading slowly outward from the southeastern corner of the state toward the Greater Yellowstone Area and Wyoming's elk feed grounds, where more than 24,000 elk are supplementally fed each winter.
Quantitative Disease Ecology
Researchers at the USGS are working on developing new quantitative methods to study disease dynamics in wildlife systems as well as systems at the wildlife-domestic-human interface. Much of our work focuses on how host population structure affects disease invasion, persistence and control in wildlife disease systems. We tackle these issues with a combination of simulation and statistical modeling...
Western Bumble Bee and Native Pollinator Research
The western bumble bee was historically one of the most common bumble bees across the western U.S. and Canada. However, our research and others found it has declined substantially across its range and the U.S. Fish and Wildlife Service is considering it for listing under the Endangered Species Act. Bureau of Land Management, National Park Service, and other land managers need information to inform...
Alpine Wildlife and Snowpack Dynamics in the North Cascades
Mountain ecosystems are expected to change with continued reductions in annual snowpack that have been observed worldwide over the past half-century. Recent snow droughts in North America have been attributed to unusually warm temperatures that cause winter precipitation to fall as rain, rather than snow. Many species of alpine wildlife depend on snowpack for insulation from extreme cold and for...
Interagency Grizzly Bear Study Team
The Interagency Grizzly Bear Study Team (IGBST) is an interdisciplinary group of scientists and biologists responsible for long-term monitoring and research efforts on grizzly bears in the Greater Yellowstone Ecosystem (GYE). The team was formed by the Department of the Interior (DOI) in 1973 as a direct result of controversy surrounding the closure of open pit garbage dumps within Yellowstone...
Impacts of Disease on Wolves in Yellowstone National Park
In 1995 and 1996, wolves were reintroduced into the Northern Rockies where they have since established and spread. Within Yellowstone National Park, one of the core protected release sites, the unmanaged population steadily increased to high densities, producing a large wolf population susceptible to infections such as canine parvovirus (CPV), canine distemper virus (CDV) and sarcoptic mange.