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Effects of climate change
Characteristics and behaviors of organisms and earth systems that are modified as a result of changes in global, regional, or local climate.
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Changing Arctic Ecosystems-Measuring and forecasting the response of Alaska's terrestrial ecosystem to a warming climate [More info]
Combining genetic data with current and predicted climate scenarios, we are modeling the predicted future distributions of wildlife populations in the Arctic and identifying key environmental variables that determine important animal habitat.
Changing Arctic Ecosystems: Updated forecast: Reducing carbon dioxide (CO2) emissions required to improve polar bear outlook [More info]
Polar bears are endangered by reduction in Arctic sea-ice concentration and by reduction in their supply of prey for food. Models shown here indicate anticipated effects on polar bear populations of several climate change scenarios.
Changing Arctic Ecosystemsâ"What is causing the rapid Increase of snow geese in northern Alaska? [More info]
High reproductive success and adult survival seem to be the reason. Why do we care? These geese affect other species in the area.
Changing Arctic ecosystems: ecology of loons in a changing Arctic [More info]
Changes in Arctic sea ice and permafrost will likely affect populations of wildlife. Migratory birds such as loons rely on freshwater lakes in the Arctic for nesting and food supply; we are studying how their populations are affected by these changes.
Changing Arctic ecosystems: resilience of caribou to climatic shifts in the Arctic [More info]
Land management agencies need to know how changes in vegetation resulting from climate change may affect wildlife habitat and the food resources that caribou rely on.
Changing Arctic ecosystems: sea ice decline, permafrost thaw, and benefits for geese [More info]
Loss of sea ice has increased ocean wave action, changing coastal habitats. For some geese this has been a positive change, increasing the amount of coastal area that supports vegetation the geese feed on.
PDF Climate Variability and Change [More info]
This fact sheet focuses on climate variability and change and how USGS research can strengthen the Nation with information needed to meet the challenges of the 21st century.
Climatic changes and effect on wild sheep habitat [More info]
Preliminary results indicate significant changes in Dall sheep diet accompanying vegetation changes and upslope retreat of glaciers.
DOI Climate Science Centers--Regional science to address management priorities [More info]
Locations of USGS science centers focused on climate change, with a brief description of the scientific focus and regional partner organizations.
PDF Detecting Evidence of Climate Change in the Forests of the Eastern United States [More info]
The relation between seasonal forest change and weather is being tracked and analyzed by comparing precise field observations to regional patterns shown in long-term satellite imagery.
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