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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 Predicting Coldwater Fish Habitat in Lakes of the Glacial Lakes Region under Changing Land Use and Climate Regimes (Local Assessment) The goal of the glacial lakes regional study was to predict the impacts of climate and land use change on coldwater fish habitat in the glacial lakes region, which covers most of Minnesota, Wisconsin, and Michigan. The study includes both top-level, regional analyses and more detailed case studies of individual lakes. The goal of this project was to provide (1) projections of land use and climate change impacts on the trophic status of Midwestern coldwater glacial lakes, (2) projections of land use and climate change impacts on the regional distribution of coldwater lake oxythermal habitat, and (3) guidance on the types of coldwater lakes in which locations will be the most or least vulnerable to land use and climate... 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, Selected State, Conterminous United States, Water, Coasts and Ice, Water, Coasts and Ice, Wildlife and Plants, Wildlife and Plants, Fewer tags Quantifying Vulnerability of Quaking Aspen Woodlands and Associated Bird Communities to Global Climate Change in the Northern Great Basin Quaking aspen populations are declining in much of the West due to altered fire regimes, competition with conifers, herbivory, drought, disease, and insect outbreaks. Aspen stands typically support higher bird biodiversity and abundance than surrounding habitat types, and maintaining current distribution and abundance of several bird species in the northern Great Basin is likely tied to the persistence of aspen in the landscape. This project examined the effects of climate change on aspen and associated bird communities by coupling empirical models of avian-habitat relationships with landscape simulations of vegetation community and disturbance dynamics under various climate change scenarios. Field data on avian... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2009, CASC, Completed, Drought, Fire and Extreme Weather, Drought, Fire and Extreme Weather, All tags... Fire, Fire, Great Basin, National CASC, National CASC, Plants, Plants, Projects by Region, Wildlife and Plants, Wildlife and Plants, birds, climate change, quaking aspen, Fewer tags Forecasting the Effects of Land-Use and Climate Change on Wildlife Communities and Habitats in the Lower Mississippi Valley This project built on an existing regional conservation partnership to use the most recent downscaled climate model projections to forecast the likely impacts of climate change to species and ecosystems in the Lower Mississippi Valley (LMV). The objective of this work was to develop and test ecological and biological models to facilitate regional adaptive management of wildlife resources and the forest and wetland ecosystems that support them in the LMV. The modeled projections were then used to evaluate climate change effects on high priority bird species, waterfowl, amphibians, and fisheries. In particular, the researchers sought to answer two key questions: (1) what are the impacts of predicted climate change... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2009, CASC, Completed, National CASC, National CASC, All tags... Other Wildlife, Other Wildlife, Projects by Region, Wildlife and Plants, Wildlife and Plants, Fewer tags Quantifying the Influence of Climate Change on Rocky Mountain Ungulates Many ungulate populations in the Rocky Mountains are predicted to respond to declining snow levels and increased drought, though in ways that remain uncertain. This project investigated how climate change may affect the abundance of Rocky Mountain ungulates, their migration patterns, the degree to which they transmit diseases to livestock, and their herbivory impact on aspen. To complete this work we brought together a team of USGS and University scientists with experience, data, and strong agency collaboration that enabled us to quantify climate impacts and deliver products useful for wildlife managers. Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2008, CASC, Climate change, Completed, Mammals, All tags... Mammals, National CASC, National CASC, Projects by Region, Rocky Mountains, Wildlife and Plants, Wildlife and Plants, ungulates, 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 How will Mammals in the Alpine Zone of the Sierra Nevada Mountains Respond to Future Climate? Our study addresses the general question of the degree to which wildlife species can adapt to, or possibly even modify, effects from climate change. We focused on five species of mammals in the alpine zone of the Sierra Nevada mountain range, including the federally endangered Sierra Nevada bighorn sheep and the American pika, a species recently proposed for listing due to the loss of populations from altered climatic conditions. It was expected that there will be an upward expansion of trees and shrubs from lower elevations and that many or even most alpine meadows will be converted to woody dominated communities. Meadows provide critical habitat for many alpine mammal species, and their conversion could represent... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2009, CASC, Completed, Mammals, Mammals, All tags... National CASC, National CASC, Projects by Region, Sierra Nevada, Wildlife and Plants, Wildlife and Plants, bighorn sheep, pika, Fewer tags Projected Climate and Land Use Change Impacts on Aquatic Habitats in the Midwestern United States (Regional Assessment) The overall goal of the Midwestern regional-scale assessment was to identify river reaches in the Glacial Lakes Partnership regions (focusing on Michigan, Minnesota, and Wisconsin) that are most vulnerable to potential impacts of projected climate and land use changes. Because fish assemblages are strongly influenced by river water temperature and flow regimes, which are in turn affected by climate and land-use conditions, we will attempt to model fish habitat response to climate and land use changes through changes in temperature and flow. This project intended to: (1) develop three models that predict daily summer temperature for all river reaches in each state; (2) develop a single model to predict non-winter... 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 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 Modeling the Response of Freshwater Mussels to Changes in Water Temperature, Habitat, and Streamflow North American freshwater mussels are in serious decline as a result of pollution and habitat destruction from human activities. In addition, many mussel species are living in habitats that push the upper limits of their heat tolerance, which may become problematic as the climate and, as a result, water temperatures warm. As part of this project, we created a set of models to predict how freshwater mussels would respond to climate change effects. Our primary objective was to help federal and state natural resource managers forecast how mussel species will respond to climate change over the next 30 to 50 years, so that managers can develop appropriate adaptation strategies to address these changes. Additionally,... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2009, CASC, Central United States, Completed, National CASC, All tags... National CASC, Other Wildlife, Other Wildlife, Projects by Region, Southeastern United States, Wildlife and Plants, Wildlife and Plants, climate change, flow models, freshwater mussels, water temperature, Fewer tags How will Florida’s Biodiversity Respond to Climate Change? Florida is home to 50 endangered species, 23 National Wildlife Refuges, 9 national parks, and 119 state parks. Straddling both temperate and sub-tropical zones, the state is also unique in that it is a long and narrow peninsula, surrounded on three sides by warm water, creating a dynamic environment. The impacts of climate change, such as sea-level rise and severe storms, threaten the state’s unique biodiversity—yet managers are unsure how species will respond to these changes, which makes planning for the future difficult. In order to identify the impacts of climate change on Florida’s plants and wildlife, researchers developed regional climate scenarios identifying how temperature and precipitation patterns... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2009, CASC, Climate change, Completed, La Florida, All tags... National CASC, National CASC, Plants, Plants, Projects by Region, Science Project, Water, Coasts and Ice, Water, Coasts and Ice, Wetlands, Wetlands, Wildlife and Plants, Wildlife and Plants, biodiversity, climate models, land use and land cover, Fewer tags Predicting the Risk of Species Extinctions Due to Sea-Level Rise in the Northwestern Hawaiian Islands If current climate change trends continue, rising sea levels could inundate low-lying islands across the globe. The Northwestern Hawaiian Islands (NWHI) is a group of islands of great conservation importance that is threatened by sea-level rise. Stretching 2,000 km beyond the main Hawaiian Islands, the NWHI are a World Heritage Site and part of the Papahānaumokuākea Marine National Monument. The islands support the largest tropical seabird rookery in the world, providing breeding habitat for 21 species of seabirds, 4 land bird species, and essential habitat for other resident and migratory wildlife. Because these are low-lying islands, even small increases in sea-level could result in the loss of critical habitat,... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2009, Baby Brooks Bank, Bank 66, Birds, Birds, All tags... Boundaries, Brooks Bank, CASC, Code of Federal Regulations, Completed, French Frigate Shoals, Gardner Pinnacles, Kure Atoll, Laysan Island, Lisianski Island, Marine Protected Areas, Maro Reef, Middle Brooks Bank, Midway Atoll, National CASC, National CASC, Necker Island, Nihoa Island, Northwestern Hawaiian Islands, Northwestern Hawaiian Islands, Papahanaumokuakea Marine National Monument, Papahānaumokuākea, Pearl and Hermes Atoll, Pioneer Bank, Projects by Region, Raita Bank, Sea-Level Rise and Coasts, Sea-Level Rise and Coasts, St. Rogatien Bank, Twin Banks, W. St. Rogatien Bank, Water, Coasts and Ice, Water, Coasts and Ice, Wildlife and Plants, Wildlife and Plants, birds, climate change, climate models, sea-level rise, Fewer tags The Effects of Drought on Southwestern Pronghorns The antelope-like pronghorn is the fastest land animal in North America and has the longest land migration in the continental U.S—in fact, the species has been dubbed “the true marathoners of the American West”. While pronghorns are numerous in parts of their range, such as Wyoming and northern Colorado, they are endangered in others, such as the Sonoran Desert. In the arid Southwest, pronghorn populations have been declining since the 1980s—and it’s thought that drought is partially to blame. Average temperatures in the Southwest have increased 1.6°C since 1901, and the area affected by drought from 2001-2010 was the second largest observed since 1901. Drought conditions have reduced the availability of vegetation,... 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, Mammals, Mammals, National CASC, National CASC, Projects by Region, Wildlife and Plants, Wildlife and Plants, 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 Desert Bighorn Sheep Native to the southwestern U.S. and northwestern Mexico, the desert bighorn sheep is known for its ability to adapt to harsh, arid environments. However, this does not mean the species is immune to the effects of drought. In fact, the fragmented and isolated distribution of the desert mountain ranges that they inhabit means that they can’t follow distant rain storms without traversing broad valleys at significant risk to mortality. This study examined the effects of a 2002 drought on desert bighorn sheep in the Cabeza Prieta National Wildlife Refuge in southwestern Arizona. Specifically, researchers explored how the drought may have affected habitat selection, behavior, and diet of the sheep. For example, when... 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, Mammals, Mammals, National CASC, National CASC, Projects by Region, Wildlife and Plants, Wildlife and Plants, Fewer tags Understanding the Links Between Climate, Ecosystem Processes, Wetland Management, and Bird Communities in the Prairie Pothole Region of the Northern Great Plains In semi-arid regions, riparian and wetland ecosystems function as important migratory and breeding habitats and add significantly to local and regional biodiversity; however, these ecosystems are increasingly threatened by climate change and the potential synergistic effects of increasing demand for water and invasion by exotic species. As a continuation of our inaugural USGS National Climate Change and Wildlife Science Center (NCCWSC) project, this study examined the effects of climate and land use change on bird populations and their riparian and wetland habitats in the western US. Scientists at the USGS, academic institutions, and nongovernmental organizations (NGOs) examined the linkages between climate, hydrology,... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2009, Birds, Birds, CASC, Canada, All tags... Climate change, Completed, Ducks Unlimited's International Conservation Plan, Latin America, National CASC, National CASC, North America, Prairie Pothole Region, Projects by Region, Science Tools for Managers, Science Tools for Managers, State of the Science, United States, Water, Coasts and Ice, Water, Coasts and Ice, Wetlands, Wetlands, Wildlife and Plants, Wildlife and Plants, bird migration, climate models, Fewer tags Projected Impacts of Future Climate on Bird Conservation in Arid and Semi-Arid Regions Tens of millions of migratory birds are dependent on wetland and riparian stopovers in arid and semiarid regions of North America. Global climate change would superimpose even greater stress on these ecosystems as indicated by climate change model predictions of higher temperatures and less precipitation in the southwestern United States. In partnership with the University of Arizona, the Nebraska Cooperative Research Unit, and the NASA Goddard Space Flight Center, USGS scientists have investigated (1) how climate change may alter the spacing and quality of critical wetland stopover habitats; (2) the sensitivities of migrating songbirds to loss of riparian forests due to climate change and water-use patterns; (3)... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2008, Birds, Birds, CASC, Canada, All tags... Completed, Ducks Unlimited's International Conservation Plan, Latin America, National CASC, National CASC, North America, Projects by Region, United States, Water, Coasts and Ice, Water, Coasts and Ice, Wetlands, Wetlands, Wildlife and Plants, Wildlife and Plants, Fewer tags Impacts of Climate-Driven Changes in Spring Green-Up on Migratory Birds in Alaska Migratory birds are important for recreation and tourism, contributing to a vibrant birdwatching industry in Alaska. Every spring, hundreds of birds migrate to their summer breeding grounds in Alaska and northern Canada. Their arrival is timed with the height of the spring green-up of plants, which provide the food necessary for birds to reproduce and raise their young. However, over the last fifty years, warming temperatures in Alaska as a result of climate change have prompted an earlier transition from winter to spring. The purpose of this project was to examine whether there have been changes in the timing of spring green-up in recent years (1985-2009) and, if so, whether migratory birds are adapting their migration... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2009, Alaska, Arctic, Arctic, Birds, All tags... Birds, CASC, Completed, Landscapes, Landscapes, National CASC, National CASC, Plants, Plants, Projects by Region, Wildlife and Plants, Wildlife and Plants, climate change, migratory birds, plant phenology, Fewer tags 1 2 »