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Abstract (from Environmental Evidence): Background Climate is an important driver of ungulate life-histories, population dynamics, and migratory behaviors, and can affect the growth, development, fecundity, dispersal, and demographic trends of populations. Changes in temperature and precipitation, and resulting shifts in plant phenology, winter severity, drought and wildfire conditions, invasive species distribution and abundance, predation, and disease have the potential to directly or indirectly affect ungulates. However, ungulate responses to climate variability and change are not uniform and vary by species and geography. Here, we present a systematic map protocol aiming to describe the abundance and distribution...
Categories: Publication; Types: Citation
Executive Summary (from USGS Publications Warehouse): Migratory behavior among ungulates in the Western United States occurs in response to changing forage quality and quantity, weather patterns, and predation risk. As snow melts and vegetation green-up begins in late spring and early summer, many migratory ungulates leave their winter range and move to higher elevation summer ranges to access high-quality forage and areas with vegetative cover for protection during fawning. Ungulates remain on these ranges until the fall when increasing snowfall and decreasing temperatures trigger them to migrate back to their lower elevation winter ranges. While researchers have begun to assess the effects of physical barriers...
Categories: Publication; Types: Citation
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Negative human-bear interactions are a common problem and management priority for many wildlife agencies in North America. Bears are adaptable to anthropogenic activity and food sources which creates opportunities for conflict with humans, including property damage, livestock depredation, and in severe cases, human injury. Acute climate events and long-term directional climate change can exacerbate the frequency and severity of human-bear interactions by changing resource availability, increasing overlap between humans and wildlife, and driving competition. Despite the pervasive threat that climate change poses, studies evaluating climate, human-wildlife interactions, and adaptive management strategies are limited....
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The Climate Adaptation Science Centers (CASCs) partner with natural and cultural resource managers, tribes and indigenous communities, and university researchers to provide science that helps fish, wildlife, ecosystems, and the communities they support adapt to climate change. The CASCs provide managers and stakeholders with information and decision-making tools to respond to the effects of climate change. While each CASC works to address specific research priorities within their respective region, CASCs also collaborate across boundaries to address issues within shared ecosystems, watersheds, and landscapes. These shapefiles represent the 9 CASC regions and the national CASC that comprise the CASC network, highlighting...
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...
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Ungulates, or hoofed mammals such as elk, deer, and moose, occupy a diversity of habitats across North America, from Canada’s high arctic to the deserts of Mexico. Ungulates play an important ecological role, helping to regulate processes such as nutrient cycling in forests and grasslands, through their grazing activities. They are also economically and culturally important, providing recreational and subsistence hunting opportunities and non-consumptive, aesthetic values. Yet throughout their range, ungulates face numerous anthropogenic and environmental threats that have the potential to impact populations and their ability to move across the landscape. Of these threats, an improved understanding of the effects...
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This dataset contains information from 674 publications (academic and grey literature) that assessed the effects of climate variability and climate change on the 15 ungulate species that are native to the United States, Canada, Mexico, and Greenland. The publication contains literature published between 1947 and September 2020. Information documented includes study location, climate variables assessed, and ungulate outcomes measured (e.g., life history characteristics, population demographics, migratory behavior).
Historically, drought has been viewed in terms of its agricultural, hydrological, and socioeconomic impacts. How drought affects ecosystems - and the services they provide human communities - is often not discussed. In response, the U.S. Geological Survey's National Climate Adaptation Science Center (NCASC) initiated a national-scale effort that’s addressing this gap in drought research. A new concept – ecological drought – was defined as part of this effort. This geo-narrative explains the concept of ecological drought, and highlights the research and products that were initiated as part of this effort.
    map background search result map search result map Maps of the USGS Climate Adaptation Science Centers (May 2024) Understanding the Effects of Climate Variability and Change on Ungulates in North America The Effects of Climate Variability and Change on Human-Bear Interactions in North America Catalogue of the literature assessing climate effects on ungulates in North America (1947-2020) The Effects of Climate Variability and Change on Human-Bear Interactions in North America Understanding the Effects of Climate Variability and Change on Ungulates in North America Catalogue of the literature assessing climate effects on ungulates in North America (1947-2020) Maps of the USGS Climate Adaptation Science Centers (May 2024)