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Climate projections for the southern Great Plains, and elsewhere in the U.S., indicate that a hotter future with changes in precipitation amount and seasonality is to be expected. As plants become stressed from these changes, wildfire risk increases. One of the most valuable approaches to reducing the impacts of wildfires is fuel reduction through prescribed burns. Fuel reduction helps minimize the destruction of ecological communities, threats of future flooding, and extensive damages by lessening the intensity of future wildfires. Although safe burning practices can largely minimize the risks, prescribed burns may bring some degree of concern among practitioners. The real and perceived risks may include bodily...
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The distribution and abundance of cheatgrass, an invasive annual grass native to Eurasia, has increased substantially across the Intermountain West, including the Great Basin. Cheatgrass is highly flammable, and as it has expanded, the extent and frequency of fire in the Great Basin has increased by as much as 200%. These changes in fire regimes are associated with loss of the native sagebrush, grasses, and herbaceous flowering plants that provide habitat for many native animals, including Greater Sage-Grouse. Changes in vegetation and fire management have been suggested with the intent of conserving Greater Sage-Grouse. However, the potential responses of other sensitive-status birds to these changes in management...
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The sky island forests of the southwestern United States are one of the most diverse temperate forest ecosystems in the world, providing key habitat for migrating and residential species alike. Black bear, bighorn sheep, mule deer, and wild turkey are just a few of the species found in these isolated mountain ecosystems that rise out of the desert landscape. However, recent droughts have crippled these ecosystems, causing significant tree death. Climate predictions suggest that this region will only face hotter and drier conditions in the future, potentially stressing these ecosystems even further. Simple models predict that vegetation will move to cooler and wetter locations in response to this warming. However,...
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Resource managers, policymakers, and scientists require tools to inform water resource management and planning. Information on hydrologic factors – such as streamflow, snowpack, and soil moisture – is important for understanding and predicting wildfire risk, flood activity, and agricultural and rangeland productivity, among others. Existing tools for modeling hydrologic conditions rely on information on temperature and precipitation. This project sought to evaluate different methods for downscaling global climate models – that is, taking information produced at a global scale and making it useable at a regional scale, in order to produce more accurate projections of temperature and precipitation for the Pacific...
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Wildfire, drought, and insects are reshaping forests in the Western United States in a manner that is being exacerbated by warming temperatures. Disturbance events such as these can significantly alter the amount of land that is covered by forest in an area or region. Consequently, changes in forest cover from disturbance can impact water runoff conditions leading to dangerous flooding, erosion, and water quality issues. These events can be costly for society. In response, many land managers are using forest thinning and prescribed burning practices to reduce disturbance impacts, especially those that are caused by high-severity wildfire. In contrast to the wealth of research on the advantages of forest thinning...
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The threat of droughts and their associated impacts on the landscape and human communities has long been recognized in the United States, especially in high risk areas such as the South Central region. There is ample literature on the effects of long-term climate change and short-term climate variability on the occurrence of droughts. However, it is unclear whether this information meets the needs of relevant stakeholders and actually contributes to reducing the vulnerability or increasing the resilience of communities to droughts. For example, are the methods used to characterize the severity of drought – known as drought indices – effective tools for predicting the actual damage felt by communities? As droughts...
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The South Central U.S. encompasses a wide range of ecosystem types and precipitation patterns. Average annual precipitation is less than 10 inches in northwest New Mexico but can exceed 60 inches further east in Louisiana. Much of the region relies on warm-season convective precipitation – that is, highly localized brief but intense periods of rainfall that are common in the summer. This type of precipitation is a significant driver of climate and ecosystem function in the region, but it is also notoriously difficult to predict since it occurs at such small spatial and temporal scales. While global climate models are helpful for understanding and predicting large-scale precipitation trends, they often do not capture...
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Forests are of tremendous ecological and economic importance. They provide natural places for recreation, clean drinking water, and important habitats for fish and wildlife. However, the warmer temperatures and harsher droughts in the west that are related to climate change are causing die-offs of many trees. Outbreaks of insects, like the mountain pine beetle, that kill trees are also more likely in warmer, drier conditions. To maintain healthy and functioning forest ecosystems, one action forest managers can take is to make management decisions that will help forests adapt to future climate change. However, adaptation is a process based on genetic change and few tools are currently available for managers to use...
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Overview Fishes of the Adirondack Park face numerous challenges. Summer Suckers are the only endemic vertebrate yet have suffered major range reductions, so we are analyzing their genome, body shape, and spawning timing to verify their uniqueness and current range. Warming patterns are expected to shift their spawning earlier, potentially intersecting with their recent ancestor (White Suckers) to create hybridization and reduced reproductive success. Minnows are more diverse in the Adirondacks, and our analyses suggest that they show three major distributional patterns that reflect post-glacial colonization and temperature preferences. We are analyzing data from hundreds of lakes to discern the rules that structure...
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Drought is a common consequence of climate variability in the south-central U.S., but they are expected to occur more often and become more intense with climate change. Natural resource managers can improve their planning efforts with advance warnings of impending drought. Using input from resource managers in the Chickasaw Nation, this research team previously created models that forecast droughts up to 18 months in advance with information about their expected timing and intensity. Developed for all climate divisions in Louisiana, New Mexico, Oklahoma, and Texas, these drought models rely on input from predictor variables associated with global weather patterns like El Niño and La Niña. However, it is unclear...
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Invasive species establish outside of their native range, spread, and negatively impact ecosystems and economies. As temperatures rise, many invasive plants can spread into regions that were previously too cold for their survival. For example, kudzu, ‘the vine that ate the south’, was previously limited to mid-Atlantic states, but has recently started spreading in New Jersey and is expected to become invasive farther north. While scientists know of many of the invasive species expanding into the northeastern U.S., they do not know where those species are likely to become abundant and how they will impact vulnerable native ecosystems due to climate change. There are also currently no strategies to manage emerging...
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The South Central Climate Adaptation Science Center (CASC) has several Communities of Practice (CoPs) focused on resource manager needs across the region (e.g. understanding at-risk species and ecosystems, building resilient coastal ecosystems, extreme weather and climate change, etc.). Each CoP has expertise in the subject matter and has been working on projects that are relevant to the resource community, including conducting literature reviews and small-scale pilot projects. The current research project will leverage the expertise of the existing CoPs to enhance the content available through the Conservation and Adaptation Resources Toolbox (CART) as identified through the partnership between the South Central...
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There is growing evidence that headwater stream ecosystems are especially vulnerable to changing climate and land use, but managers are challenged by the need to address these threats at a landscape scale, often through coordination with multiple management agencies and landowners. This project sought to provide an example of cooperative landscape decision-making by addressing the conservation of headwater stream ecosystems in the face of climate change at the watershed scale. Predictive models were built for critical resources to examine the effects of the potential alternative actions on the objectives, taking account of climate effects and examining whether there are key uncertainties that impede decision making....
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The Pacific Islands Climate Adaptation Science Center (PI CASC) supports sustainability and climate adaptation in communities across the Pacific Islands by providing natural and cultural resource managers with access to actionable science specific to the region. PI CASC is hosted by the University of Hawaiʻi at Mānoa (UHM) with consortium partners at the University of Hawaiʻi at Hilo (UHH) and the University of Guam (UOG). During the period of 2019 - 2024, the PI CASC consortium will strive to i) build resiliency and sustainability in ecosystems and communities to climate change impacts; ii) strive to develop the best actionable climate science, while maintaining a non-advocacy stance; and iii) apply the elements...
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PI-CASC regularly interacts with a diverse and extensive network of stakeholder organizations at federal, territory, state, county, and local levels across the Pacific Region, supporting communication and iterative problem solving between researchers, managers, and decision makers. In addition to these partnerships, PI-CASC has two important ongoing collaborative initiatives. Pacific Islands-Alaska CASC collaboration The PI-AK CASC collaboration is aimed at bringing together scientist and resource managers from the Pacific and Alaska regions to share insights on related climate adaptation challenges in Ridge-to-Reef (R2R) and Icefield-to-Ocean (I2O) ecosystems. Similarities in landscapes and communities in these...
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The South Central U.S. is one of the main agricultural regions in North America: annual agricultural production is valued at more than $44 billion dollars. However, as climate conditions change, the region is experiencing more frequent and severe droughts, with significant impacts on agriculture and broader consequences for land management. For example, in 2011 drought caused an estimated $7.6 billion in agricultural losses in Texas and an additional $1.6 billion in Oklahoma. Although there are many drought monitoring tools available, most of these tools were developed without input from the stakeholders, such as farmers and ranchers, who are intended to use them. The goal of this project was to assess the information...
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Appropriate ecological indicators of climate change can be used to measure concurrent changes in ecological systems, inform management decisions, and potentially to project the consequences of climate change. However, many of the available indicators for North American birds do not account for imperfect observation. We proposed to use correlated-detection occupancy models to develop indicators from the North American Breeding Bird Survey data. The indicators were used to test hypotheses regarding changes in range and distribution of breeding birds. The results will support the Northeast Climate Science Center’s Science Agenda, including the science priority: researching ecological vulnerability and species response...
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The Northwest Climate Adaptation Science Center (NW CASC) organizes an annual Deep Dive into an emerging climate risk. The NW CASC convenes researchers, practitioners and students to assess the state of knowledge and practice associated with managing that risk. Each Deep Dive aims to facilitate community development of an Actionable Science Agenda that outlines knowledge gaps and research needs and identifies opportunities to advance adaptation by linking science and practice. Deep Dive topics include managing western Washington wildfire risk in a changing climate, managing climate-driven post-fire vegetation transitions, and managing climate change effects on stream drying in the Northwest. To learn more about...
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Scientists, planners, policy makers and other decision-makers in the South Central U.S. want to understand the potential impacts of changes in climate, precipitation, and land-use patterns on natural and cultural resources. Though the potential impacts of climate change can be modeled to help decision-makers plan for future conditions, these models rarely incorporate changes in land-use that may occur. Climate change and land-use change are often linked, as shifts in precipitation and temperature can alter patterns in human land-use activities, such as agriculture. This project sought to address this gap by developing new software tools that enable stakeholders to quickly develop custom, climate-sensitive land-use...
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As the impacts of climate change amplify, understanding the consequences for wetlands will be critical for their sustainable management and conservation, particularly in arid regions such as the Columbia Plateau. The depressional wetlands in this region (wetlands located in topographic depressions where water can accumulate) are an important source of surface water during the summer months. However, their health depends directly on precipitation and evaporation, making them susceptible to changes in temperature and precipitation. Yet few tools for monitoring water movement patterns (hydrology) in and out of these landscapes currently exist, hindering efforts to model how they are changing. This project provided...
map background search result map search result map Improving Projections of Hydrology in the Pacific Northwest Projecting the Future of Headwater Streams to Inform Management Decisions Predicting Sky Island Forest Vulnerability to Climate Change: Fine Scale Climate Variability, Drought Tolerance, and Fire Response Improving Representation of Extreme Precipitation Events in Regional Climate Models Community Resilience to Drought Hazard: An Analysis of Drought Exposure, Impacts, and Adaptation in the South Central U.S. Developing Effective Drought Monitoring Tools for Farmers and Ranchers in the South Central U.S. Avian Indicators of Climate Change Based on the North American Breeding Bird Survey Relations Among Cheatgrass, Fire, Climate, and Sensitive-Status Birds across the Great Basin Can We Conserve Wetlands Under a Changing Climate? Mapping Wetland Hydrology in the Columbia Plateau Using Genetic Information to Understand Drought Tolerance and Bark Beetle Resistance in Whitebark Pine Forests Building a Decision-Support Tool for Assessing the Impacts of Climate and Land Use Change on Ecological Processes Identifying Vulnerable Ecosystems and Supporting Climate-Smart Strategies to Address Invasive Species Under Climate Change Pacific Islands Climate Adaptation Science Center Consortium - Hosted by University of Hawai‘i, Mānoa (2019-2024) Regional Collaborations NW CASC Deep Dives: Actionable Science Agendas for Emerging Climate Risks Future of Fire in the South Central: Towards a National Synthesis of Wildland Fire Under a Changing Climate The Role of Forest Structure in Regulating Water Availability and Implications for Natural Resources and Ecosystem Function Expanding the Conservation and Adaptation Resources Toolbox (CART) to the South Central United States Adirondack Fish Conservation: Safeguarding Summer Suckers, Understanding Minnow Diversity, Limiting Smallmouth Bass Invasions, Developing Climate-Adapted Stocking Improving Predictive Drought Models with Sensitivity Analysis Using Genetic Information to Understand Drought Tolerance and Bark Beetle Resistance in Whitebark Pine Forests Predicting Sky Island Forest Vulnerability to Climate Change: Fine Scale Climate Variability, Drought Tolerance, and Fire Response Can We Conserve Wetlands Under a Changing Climate? Mapping Wetland Hydrology in the Columbia Plateau Improving Predictive Drought Models with Sensitivity Analysis The Role of Forest Structure in Regulating Water Availability and Implications for Natural Resources and Ecosystem Function NW CASC Deep Dives: Actionable Science Agendas for Emerging Climate Risks Relations Among Cheatgrass, Fire, Climate, and Sensitive-Status Birds across the Great Basin Improving Projections of Hydrology in the Pacific Northwest Improving Representation of Extreme Precipitation Events in Regional Climate Models Community Resilience to Drought Hazard: An Analysis of Drought Exposure, Impacts, and Adaptation in the South Central U.S. Building a Decision-Support Tool for Assessing the Impacts of Climate and Land Use Change on Ecological Processes Future of Fire in the South Central: Towards a National Synthesis of Wildland Fire Under a Changing Climate Expanding the Conservation and Adaptation Resources Toolbox (CART) to the South Central United States Adirondack Fish Conservation: Safeguarding Summer Suckers, Understanding Minnow Diversity, Limiting Smallmouth Bass Invasions, Developing Climate-Adapted Stocking Identifying Vulnerable Ecosystems and Supporting Climate-Smart Strategies to Address Invasive Species Under Climate Change Developing Effective Drought Monitoring Tools for Farmers and Ranchers in the South Central U.S. Projecting the Future of Headwater Streams to Inform Management Decisions Avian Indicators of Climate Change Based on the North American Breeding Bird Survey Pacific Islands Climate Adaptation Science Center Consortium - Hosted by University of Hawai‘i, Mānoa (2019-2024) Regional Collaborations