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The Yurok Ancestral Territory, which spans northwestern California from the coastal redwood-spruce rainforest to inland forests and prairies, has provided the Yurok Tribe with an abundance of food and cultural resources for millennia. The Yurok Tribe maintains stewardship responsibility for their Ancestral Lands, which include the Yurok Reservation, and is concerned about the potential impacts of climate change on culturally significant species and the ecosystems that support them. This project had two broad objectives: The first was to meet the needs of the Yurok Tribe in collecting traditional ecological knowledge (TEK) to identify priority areas and activities for helping the Tribe plan for and respond to climate...
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Changing climate conditions could have significant impacts on wildlife health. Shifts in temperature and precipitation may directly affect the occurrence of disease in fish and wildlife by altering their interactions with pathogens (such as the bacterium that causes Lyme disease), helping vectors like mosquitoes and ticks expand their range, or speeding up the time it takes for a parasite to develop from an egg to an adult. Climate change can also indirectly affect the health of fish and wildlife as their habitats change. For example, reduced food availability could lead to overcrowding and increased disease transmission, or warmer temperatures might increase stress levels, weakening immune systems and making animals...
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In the Pacific Northwest, temperatures are projected to increase 2-15°F by 2100. Winters are expected to become wetter and summers could become drier. Snowpack will likely decrease substantially, and snowmelt runoff may occur earlier in the year. Wildfires are projected to become more frequent and severe, and forest types are expected to change from maritime evergreen to subtropical mixed-woodlands. Because the impacts of climate change vary from place to place, regionally-specific climate projections are critical to help farmers, foresters, city planners, public utility providers, and fish and wildlife managers plan for how to best manage resources. However, the models that are used to project changes in climate...
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Downed wood on the forest floor does more than provide habitat for amphibians, reptiles, birds and mammals. These decomposing habitat structures modify the temperature and moisture conditions in the forest itself. Inside and around downed wood, local climate conditions, or microclimates, provide wildlife with stable habitats that allow for persistence during and after wildfires. Cooler, wetter microclimates buffer the effects of wildfire in Oregon’s forests, making microclimate an important component of forest management. Despite the significance of downed wood to forest ecosystem function, forest management practices require only two downed logs to be retained for every acre harvested. To better inform forest management...
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Managing species and habitat in a changing climate requires locally specific information about expected changes in the physical environment, key stressors and related ecological changes. Federal investments have supported the development of a significant scientific knowledge base detailing potential future conditions for many Northwest ecosystem types and geographies. Yet scientists, managers and other decision makers continue to be challenged by the difficulty of efficiently assessing the current state of understanding regarding both impacts and pathways for adaptation. For example, while the most recent Washington and Oregon State Wildlife Action Plans included detailed consideration of climate change-related...
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This summit will convene leaders from Tribes and First Nations throughout the Pacific Northwest and North America to advance tribal climate change policy and action. The Summit will focus on topics such as tribal climate change resiliency, protecting and applying Traditional Knowledge in climate change initiatives, and implementing a unified tribal climate change policy agenda. Co-sponsors for this event include the Affiliated Tribes of Northwest Indians (ATNI), Bureau of Indian Affairs (BIA), North Pacific Landscape Conservation Cooperative (NPLCC), PNW Tribal Climate Change Network, and the Northwest Climate Adaptation Science Center.
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Over 50% of commercial and recreationally important fish species depend on coastal wetlands. In the Pacific Northwest, coastal wetlands, where the ocean meets the land, are highly productive areas that support a wealth of wildlife species from salmon to ducks. The tidal marshes, mudflats, and shallow bays of coastal estuaries link marine, freshwater, and terrestrial habitats and provide economic and recreational benefits to local communities. However, wetlands in this region and elsewhere are threatened by sea-level rise and other climate-related changes. According to a USFWS and NOAA report, between 2004 and 2009, 80,000 acres of wetland were lost on average each year, which is a significant increase from the previous...
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Tribal communities’ traditions, identities, and economies rely heavily on local natural resources, making tribes especially vulnerable to climate change impacts, including changes in seasonal patterns and the potential loss of culturally and economically important species. The goal of this project was to build tribal capacity in the Pacific Northwest to successfully plan for and adapt to the effects of climate change. The funds associated with this project supported the Affiliated Tribes of Northwest Indians (ATNI) Tribal Leaders Summit on Climate Change held on March 10-11, 2015 in Portland, Oregon. The summit gathered tribal leaders to discuss climate change impacts; share tribal strategies, plans, and policies;...
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In order to assess and understand the potential impacts of climate change on important natural resources, managers, planners, and decision-makers need climate information at a local or regional scale. In general, Global Climate Models (GCMs) provide data at coarser scales than most natural resource managers need but Regional Climate Models (RCMs) are starting to deliver finer scale results. The project team will explore both dynamic downscaling products such as results from RCMs and statistical downscaling products generated at scales finer than the original projections. The Northwest CSC has supported a series of projects that have either generated or tested downscaled climate data for the Pacific Northwest...
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What will the rivers of the Pacific Northwest look like in the future? Will they be stable or unstable? Will the waters be cold and clear or warm and muddy? Will they have salmon or other species? These questions motivated our two-year study of climate warming effects on headwater streams draining the Cascade Mountains. Using a novel combination of snow, geohydrology, and sediment transport models we assessed the vulnerability of stream channels to changing peak streamflow. Our snow modeling shows that with just a 2°C warming, snowfall shifts to rainfall at all elevations, peak snowpacks occur over two months earlier, and snowpacks are reduced by over half of historical values. Our geohydrology modeling shows that...
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This project aimed to contribute to effective decision making in the region for the scientific community and general public. Resource managers in the Great Basin are dealing with significant questions regarding how best to make decisions in the natural and human systems in response to climate change. Vulnerability assessments and other tools are used for climate change adaptation, but their effectiveness is not widely understood or examined. Assessing these tools for their utility and for their ability to translate science into accessible and available information for users, including the general public, is critical for the future viability and sustainability of the Great Basin. This project applied social and policy...
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As the dominant force that sets the structure and function of most Pacific Northwest forests, fire is likely to be the major catalyst of forest change in a warming climate. Rising temperatures, decreased snowpack, and earlier snowmelt are expected to lead to longer fire seasons, drier fuel, and an increase in the area burned by wildfires in the future. Forest managers therefore need information on how wildfire patterns and forests will change as the climate warms, in order to guide management activities that can sustain the important ecosystem services that forests provide – including timber production, carbon storage, improved water quality, and recreational opportunities. To address this need, researchers developed...
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Oregon’s Upper Klamath Basin is one of the warmest watersheds in the Pacific Northwest. Despite its naturally warm waters, the basin supports abundant redband trout. These are some of the largest-bodied trout in the entire U.S., and are a culturally and economically important species, providing the last remaining subsistence fishery for the Klamath Tribes and drawing recreational anglers. The ability of this coldwater species to survive in one of the region’s warmest watersheds could hold valuable clues for conservation in the face of warming global temperatures, which represents one of the biggest threats to North America’s coldwater fish. Previous research has found that redband trout rely heavily on spring-fed...
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The concept of potential natural vegetation (PNV), the plant community reflecting the environmental capability of a land area, has proven vital to land management over the past 30 years. Rigorous, consistent, validated potential vegetation mapping, however, has remained a persistent need for land management agencies. The development of this dataset represents a new way to model and map PNV to help fulfill those requirements.
map background search result map search result map Climate Change and Peak Flows: Informing Managers About Future Impacts to Streamflow Dynamics and Aquatic Habitat Marshes to Mudflats: Climate Change Effects Along Coastal Estuaries in the Pacific Northwest Projecting Future Climate, Vegetation, and Hydrology in the Pacific Northwest Using Yurok Traditional Ecological Knowledge to Set Climate Change Priorities Modeled Potential Vegetation Zones of Washington and Oregon Assessing the Usefulness of Vulnerability Assessments and Other Science-based Tools in Climate Adaptation Support for the Affiliated Tribes of Northwest Indians Tribal Leaders Summit on Climate Change Toughnut Mine Underground Workings Toughnut Mine Northwest Stopes Between First Level and Surface Toughnut Mine Stopes Above Second Level Spoilt for Choice: A Review and Evaluation of Downscaled Climate Data for the Pacific Northwest Changing Fires, Changing Forests: The Effects of Climate Change on Wildfire Patterns and Forests in the Pacific Northwest Synthesizing Climate Change Impacts on Wildlife Health and Identifying Adaptation Strategies How Will Coldwater Fish Survive in a Warming Future? Identifying Life-Stage Specific Use of Coldwater Refugia in the Klamath Basin and Willamette River Support for the 2019 Tribes and First Nations Climate Change Summit State of Knowledge Syntheses: Comprehensive, User-Friendly Science Compilations, Data Summaries and Adaptation Guides to Support Management of Northwest Species and Habitat in a Changing Climate Exploring Large Downed Wood as Post-Fire Refugia for Terrestrial Salamanders in Pacific Northwest Forests How Will Coldwater Fish Survive in a Warming Future? Identifying Life-Stage Specific Use of Coldwater Refugia in the Klamath Basin and Willamette River Exploring Large Downed Wood as Post-Fire Refugia for Terrestrial Salamanders in Pacific Northwest Forests Climate Change and Peak Flows: Informing Managers About Future Impacts to Streamflow Dynamics and Aquatic Habitat Modeled Potential Vegetation Zones of Washington and Oregon Changing Fires, Changing Forests: The Effects of Climate Change on Wildfire Patterns and Forests in the Pacific Northwest Support for the Affiliated Tribes of Northwest Indians Tribal Leaders Summit on Climate Change Spoilt for Choice: A Review and Evaluation of Downscaled Climate Data for the Pacific Northwest Support for the 2019 Tribes and First Nations Climate Change Summit State of Knowledge Syntheses: Comprehensive, User-Friendly Science Compilations, Data Summaries and Adaptation Guides to Support Management of Northwest Species and Habitat in a Changing Climate Assessing the Usefulness of Vulnerability Assessments and Other Science-based Tools in Climate Adaptation Marshes to Mudflats: Climate Change Effects Along Coastal Estuaries in the Pacific Northwest Projecting Future Climate, Vegetation, and Hydrology in the Pacific Northwest Synthesizing Climate Change Impacts on Wildlife Health and Identifying Adaptation Strategies