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Shelley Crausbay

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Adaptation Strategies in the Face of Climate-Driven Ecological Transformation: Case Studies from Arctic Alaska and the U.S. Great Plains
Climate change is already affecting ecosystems, and will likely trigger significant and permanent changes in both ecological and human communities. Such transformations are already occurring in the Arctic region of Alaska, where temperatures are warming at twice the global average and causing some ecosystems to transition to new states. Arctic warming has led to coastal erosion that has forced human communities to relocate and a loss of sea ice that has forced marine mammals, such as polar bears and walrus, to adapt to a more terrestrial mode of living. Meanwhile, in the Great Plains of the U.S., past interactions between land and water use during the Dust Bowl and recent high rates of depletion of the Ogallala...
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Enabling Climate-Informed Planning and Decisions about Species of Conservation Concern in the North Central Region: Phase 1
The goal of this project was to identify climate-related scientific information needs in the North Central region that will support the management of key species and help avoid species declines. Researchers worked closely with state fish and wildlife agencies, the U.S. Fish and Wildlife Service, tribes, and other relevant natural resource management and conservation agencies to identify priority information needs and to design and implement studies that will address these needs. Researchers identified stakeholders, including those engaged by the North Central Climate Science Center USGS Liaisons project. Researchers worked with stakeholders to identify priority conservation targets. Selected targets were those...
The topography of Puerto Rico and the U.S. Virgin Islands (USVI) is characterized by steep terrain and short distances to the sea. This means that freshwater runs off the islands quickly, coming into contact with seawater in coastal estuaries. The physical characteristics of estuaries change as the tides rise and fall, creating a wide range of habitats that support diverse plants and wildlife, including economically and culturally important native species such as cetí and land crabs, as well as game fishes such as snook and tarpon. These ecosystems are already heavily threatened by human activities such as urbanization, increased sedimentation, and pollution. Changing climate conditions, such as more frequent and...
Forests in the U.S. Caribbean are spectacularly diverse, with more than 500 native tree species in Puerto Rico alone. These forests and trees provide many services to the region's 3.5 million people, including watershed and coastal protection, economic benefits from fruit and wood, cooling in urban environments, and improved water quality, recreation, habitat, and biodiversity protection. Caribbean forests range from coastal mangroves and dry forests, to rainy cloud forests on the mountain peaks. They have been shaped by frequent natural disturbances such as hurricanes, drought, flooding, landslides, and wildfire. Projected increases in temperatures and reduced or greater variability in rainfall may lead to increased...
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