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Projected Vulnerability of Brook Trout to Climate and Land Use Changes in the Eastern U.S. (Regional Assessment) Throughout its native range in the Eastern U.S., the brook trout is a culturally and economically important species that is sensitive to warming stream temperatures and habitat degradation. The purpose of this assessment was to determine the impacts that projected future land use and climate changes might have on the condition of stream habitat to support self-sustaining brook trout populations. The study region encompassed the historic native range of brook trout, which includes the northeastern states and follows the Appalachian Mountains south to Georgia, where the distribution is limited to higher elevation streams with suitable water temperatures. Relationships between recent observations of brook trout and... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2009, CASC, Completed, EBTJV, EBTJV, All tags... Eastern Brook Trout Joint Venture, Eastern Brook Trout Joint Venture, Fish, Fish, HUC 6, HUC 6, National CASC, National CASC, Projects by Region, Rivers, Streams and Lakes, Rivers, Streams and Lakes, Water, Coasts and Ice, Water, Coasts and Ice, Wildlife and Plants, Wildlife and Plants, eastern brook trout, eastern brook trout, subwatersheds, subwatersheds, Fewer tags Projected Climate Change Impacts on Stream Dwelling Smallmouth Bass Populations in the U.S. (Local Assessment) The smallmouth bass (SMB) is a widespread species with a distribution that extends throughout the eastern and central U.S., in addition to introduced populations in other regions. From a management perspective, the SMB is important both as a popular sport fish and as a threat to native species where it is present outside of its natural range. Understanding the population-level responses of this species to environmental change is thus a priority for fisheries resource managers. This project aimed to explicitly model the impacts of projected climate and land use change on the growth, population dynamics, and distribution of stream-dwelling SMB in the U.S. Impacts on growth and demographic variables were modeled using... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2009, CASC, Completed, Fish, Fish, All tags... National CASC, National CASC, Projects by Region, Wildlife and Plants, Wildlife and Plants, Fewer tags The Impacts of Drought on Fish and Wildlife in the Southwestern U.S. Species that inhabit the arid Southwest are adapted to living in hot, dry environments. Yet the increasing frequency and severity of drought in the region may create conditions that even these hardy species can’t survive. This project examined the impacts of drought in the southwestern U.S. on four of the region’s iconic species: desert bighorn sheep, American pronghorn, scaled quail, and Rio Grande cutthroat trout. Grasping the impacts of drought on fish and wildlife is critical for management planning in the Southwest, as climate models project warmer, drier conditions for the region in the future. Species are known to respond to environmental changes such as drought in different ways. Often, before changes... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2013, Birds, Birds, CASC, Completed, All tags... Drought, Drought, Drought, Fire and Extreme Weather, Drought, Fire and Extreme Weather, Fish, Fish, Mammals, Mammals, National CASC, National CASC, Projects by Region, Wildlife and Plants, Wildlife and Plants, Fewer tags Impact of Changes in Streamflow and Temperature on Endangered Atlantic Salmon Coastal rivers draining into the Gulf of Maine are home to the endangered Gulf of Maine Distinct Population Segment of Atlantic salmon. The Gulf of Maine population began to decline significantly by the late 19th century, leading to the closure of the commercial Atlantic salmon fishery in 1948. In recent years, populations have again begun to decrease again. State and federal fisheries biologists are concerned that climate-related changes in streamflow and temperature could impact salmon survival in these rivers. Projections of future climate conditions for the Northeast indicate warming air temperatures, earlier snowmelt runoff, and decreases in streamflow during the low flow period (summer). In the spring, snow... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2008, Atlantic Salmon, CASC, Climate change, Completed, All tags... Fish, Fish, National CASC, National CASC, New England, Projects by Region, Rivers, Streams and Lakes, Rivers, Streams and Lakes, Water, Coasts and Ice, Water, Coasts and Ice, Wildlife and Plants, Wildlife and Plants, baseflow, precipitation, stormflow, stream flow, summer, trends, Fewer tags Forecasting Climate Change Induced Effects on Recreational and Commercial Fish Populations in the Great Lakes Great Lakes fishery managers and stakeholders have little information regarding how climate change could affect the management and conservation of fish populations, including those of high recreational and commercial value. Scientists from the US Geological Survey (USGS) worked closely with state management agencies and the National Wildlife Federation to complete several objectives that provide knowledge to aid their planning and management strategies in anticipation of coming changes. First, researchers updated a regional Great Lakes climate model to predict water level changes, water temperatures, and ice cover data for the entire Great Lakes basin 50-100 years into the future. Second, researchers used satellite... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2009, CASC, Completed, Fish, Fish, All tags... Fishery Management, Great Lakes, Great Lakes, National CASC, National CASC, Projects by Region, Wildlife and Plants, Wildlife and Plants, climate models, lake boundary, Fewer tags Projected Climate and Land Use Change Impacts on Aquatic Habitats of the Lower Colorado River Basin (Regional Assessment) Previous climate change research for the Colorado River Basin has used down-scaled climate models to predict impacts to hydropower and the potential ability to meet mandated water releases. The Lower Colorado River Basin (LCRB) has one of the most imperiled fish faunas in the nation with about half of the native fish species listed as Threatened or Endangered under the Federal Endangered Species Act. Current water demands for agriculture and human consumption are only slightly less than long-term annual flows. Future projections based on climate change alone indicate decreased precipitation, increased temperatures, and lower annual runoff which will further stress this ecosystem that is experiencing among the highest... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2009, CASC, Completed, Fish, Fish, All tags... National CASC, National CASC, Projects by Region, Rivers, Streams and Lakes, Rivers, Streams and Lakes, Water, Coasts and Ice, Water, Coasts and Ice, Wildlife and Plants, Wildlife and Plants, Fewer tags The Effects of Drought on Rio Grande Cutthroat Trout: The Role of Stream Intermittency Drought poses a major threat to New Mexico’s state fish, the Rio Grande cutthroat trout. This southernmost subspecies of cutthroat trout, found only in New Mexico and Colorado, has already been restricted to an estimated 12% of its former range. Now climate change, in the form of lower winter snowpack and reduced precipitation, challenges its long-term persistence. This trout tends to occupy small and fragmented streams, which are at higher risk of drying up during drought events. Yet, the full extent of drought impacts to Rio Grande cutthroat trout is unknown. To address this knowledge gap, researchers examined the effects of drought - in particular stream intermittency - on the growth and survival of Rio Grande... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2013, CASC, Completed, Drought, Drought, All tags... Drought, Fire and Extreme Weather, Drought, Fire and Extreme Weather, Fish, Fish, National CASC, National CASC, Projects by Region, Rivers, Streams and Lakes, Rivers, Streams and Lakes, Water, Coasts and Ice, Water, Coasts and Ice, Wildlife and Plants, Wildlife and Plants, Fewer tags The Potential Influence of Changing Climate on the Persistence of Native Salmonids Understanding how climate change will influence habitat for interior species of native salmonids is critical for effective management and recovery of these species. The US Department of the Interior, the US Department of Agriculture, state fisheries managers, and non-governmental organizations are increasingly challenged in attempting the recovery and restoration of native trout and salmon throughout their range. USGS scientists, in partnership with the US Forest Service and Trout Unlimited, completed a database including all existing species distributions and habitat information, and air and water temperature data for the interior West. Maps defining existing and projected future distributions of native salmonids,... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2008, CASC, Completed, Fish, Fish, All tags... National CASC, National CASC, Projects by Region, Wildlife and Plants, Wildlife and Plants, Fewer tags Science to Inform Future Management of the Nation's Fisheries and Aquatic Habitat Fisheries and aquatic habitats throughout the United States are in dire need of protection or restoration because human activities have resulted in severe degradation of those habitats. Further, future climatic changes will continue to affect human land-use, temperature, and water flows. Natural resource managers need to identify and prioritize habitats so that limited time and funding can be focused on habitats that are in most need of protection both now and in the future, based on projected climate changes. This project was comprised of a team of scientists from the US Geological Survey, Kansas State University, Michigan State University, Penn State University, the University of Minnesota-Duluth, the University... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2009, CASC, Completed, Fish, Fish, All tags... National CASC, National CASC, Projects by Region, Rivers, Streams and Lakes, Rivers, Streams and Lakes, Water, Coasts and Ice, Water, Coasts and Ice, Wildlife and Plants, Wildlife and Plants, Fewer tags Projecting Future Impacts to River Systems and Large River Fish: Missouri River Sturgeon Example In collaboration with the University of Missouri and Iowa State University, this project advanced efforts to understand and accommodate uncertainty by applying to Missouri River sturgeon population dynamics the tools of multi-scale climate models and hierarchical Bayesian modeling frameworks, linking models for system components together by formal rules of probability. While a complete climate prediction may be intractable at this time -- for instance, the climate projections may not incorporate land use changes and solar fluctuations into the boundary conditions -- we proposed a framework to quantify known uncertainty that is also flexible enough to adapt to advances in climate predictions. A key advantage of the... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2009, CASC, Completed, Fish, Fish, All tags... National CASC, National CASC, Projects by Region, Wildlife and Plants, Wildlife and Plants, Fewer tags