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State of the Science

The ability of resource managers, decision makers, and communities to adapt to climate change depends on access to up-to-date and useable climate science. CASC scientists work to collect and synthesize the state of the science on key issues of importance to partners, such as how climate change is affecting species range shifts or the effects of climate on inland fisheries. Learn more below.

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Developing a Decision Support Tool to Inform Louisiana’s Climate Change Adaptation Strategy

In 2020, Governor Edwards of Louisiana issued two executive orders: establishing the Climate Initiatives Task Force to develop the state’s first ever Climate Action Plan to reach net zero greenhouse gas emissions by 2050 and to enhance coastal resilience in the state. Louisiana’s coastal wetlands and natural lands are of vital importance not just for hurricane protection, health and wellbeing, and
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Developing a Decision Support Tool to Inform Louisiana’s Climate Change Adaptation Strategy

In 2020, Governor Edwards of Louisiana issued two executive orders: establishing the Climate Initiatives Task Force to develop the state’s first ever Climate Action Plan to reach net zero greenhouse gas emissions by 2050 and to enhance coastal resilience in the state. Louisiana’s coastal wetlands and natural lands are of vital importance not just for hurricane protection, health and wellbeing, and
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Developing a Pacific Mangrove Monitoring Network (PACMAN) in Response to Sea Level Rise

Continued sea-level rise from a changing climate is expected to result in the loss of many coastal mangrove trees, which, will strongly affect human populations on isolated Western Pacific islands as they rely heavily on mangrove forests for food (fish, shrimp, and crabs), building materials, and firewood. Mangroves also protect local communities from tsunamis and cyclones and are important for cl
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Developing a Pacific Mangrove Monitoring Network (PACMAN) in Response to Sea Level Rise

Continued sea-level rise from a changing climate is expected to result in the loss of many coastal mangrove trees, which, will strongly affect human populations on isolated Western Pacific islands as they rely heavily on mangrove forests for food (fish, shrimp, and crabs), building materials, and firewood. Mangroves also protect local communities from tsunamis and cyclones and are important for cl
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Evaluation of Network Tools to Advance Climate Adaptation in the Southwest

The complex challenge of adapting to climate changerequires collaborative solutions that can be enhanced by connecting individuals to each other and to essential information. This project will evaluate the effectiveness of online decision information tools designed to aid adaptation, that are supported by the development of a network of practice. Networks can aid adaptation by improving the quanti
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Evaluation of Network Tools to Advance Climate Adaptation in the Southwest

The complex challenge of adapting to climate changerequires collaborative solutions that can be enhanced by connecting individuals to each other and to essential information. This project will evaluate the effectiveness of online decision information tools designed to aid adaptation, that are supported by the development of a network of practice. Networks can aid adaptation by improving the quanti
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Filling the Knowledge Gaps: Extreme Weather Driven Changes in Streamflow Patterns and their Impacts on Fish in Hawaiian Streams

Freshwater is a critical driver for island ecosystems and essential part of the water cycle in tropical islands, which is threaten by climate change. Changes in streamflow patterns may impact streams, estuarine, and coastal habitats. In Hawai‘i, these habitats support five native stream fish species. To examine how changes in streamflow have impacted habitat quality for these native aquatic speci
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Filling the Knowledge Gaps: Extreme Weather Driven Changes in Streamflow Patterns and their Impacts on Fish in Hawaiian Streams

Freshwater is a critical driver for island ecosystems and essential part of the water cycle in tropical islands, which is threaten by climate change. Changes in streamflow patterns may impact streams, estuarine, and coastal habitats. In Hawai‘i, these habitats support five native stream fish species. To examine how changes in streamflow have impacted habitat quality for these native aquatic speci
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Future of Aquatic Flows: Endangered streams: Understanding misalignments between aquatic flows and management strategies to inform adaptation efforts

Stream flow is directly tied to climate, and numerous studies provide substantial evidence that climate change is a threat to future aquatic water flow processes. In the southwestern United States, mountain snow is a primary water source for streams and rivers. However, climate change is threatening the region's mountain snow, leading to reduced snowpack, earlier snowmelt, and more precipitation f
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Future of Aquatic Flows: Endangered streams: Understanding misalignments between aquatic flows and management strategies to inform adaptation efforts

Stream flow is directly tied to climate, and numerous studies provide substantial evidence that climate change is a threat to future aquatic water flow processes. In the southwestern United States, mountain snow is a primary water source for streams and rivers. However, climate change is threatening the region's mountain snow, leading to reduced snowpack, earlier snowmelt, and more precipitation f
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Future of Aquatic Flows: Exploring Changes in Rain-On-Snow Events and Their Influence on Future Streamflows, Stream Temperatures, and Management Priorities in the Great Lakes Basin

Rain-on-snow events occur when warm rain falls on an existing snowpack, causing rapid snowmelt that can lead to damaging floods, reduced spring and summer streamflow, and altered stream temperatures, with ecological, social, and economic consequences. Rain-on-snow events can result in a loss of riverine biodiversity, decreases in fisheries production, and degradation of stream habitat; water short
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Future of Aquatic Flows: Exploring Changes in Rain-On-Snow Events and Their Influence on Future Streamflows, Stream Temperatures, and Management Priorities in the Great Lakes Basin

Rain-on-snow events occur when warm rain falls on an existing snowpack, causing rapid snowmelt that can lead to damaging floods, reduced spring and summer streamflow, and altered stream temperatures, with ecological, social, and economic consequences. Rain-on-snow events can result in a loss of riverine biodiversity, decreases in fisheries production, and degradation of stream habitat; water short
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Future of Aquatic Flows: Towards a National Synthesis of Streamflow Regimes Under a Changing Climate

In ecosystems characterized by flowing water, such as rivers and streams, the dynamics of how the water moves - how deep it is, how fast it flows, how often it floods - have direct effects on the health, diversity, and sustainability of underlying communities. Yet increasingly, climate extremes like droughts and floods are disrupting fragile stream ecosystems by specifically changing their interna
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Future of Aquatic Flows: Towards a National Synthesis of Streamflow Regimes Under a Changing Climate

In ecosystems characterized by flowing water, such as rivers and streams, the dynamics of how the water moves - how deep it is, how fast it flows, how often it floods - have direct effects on the health, diversity, and sustainability of underlying communities. Yet increasingly, climate extremes like droughts and floods are disrupting fragile stream ecosystems by specifically changing their interna
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Future of Aquatic Flows: Towards a Synthesis of Changing Hydrology Under Increasing Climate Change and Disturbance Pressures

Understanding the paths by which water flows through the landscape is critical for providing fresh water for human use, maintaining ecosystem function, and better predicting how disturbances such as fire or drought may impact water quantity and water quality. Yet projected changes in climate, disturbances, and land use , are likely to alter hydrologic flow paths, and .natural resource managers inc
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Future of Aquatic Flows: Towards a Synthesis of Changing Hydrology Under Increasing Climate Change and Disturbance Pressures

Understanding the paths by which water flows through the landscape is critical for providing fresh water for human use, maintaining ecosystem function, and better predicting how disturbances such as fire or drought may impact water quantity and water quality. Yet projected changes in climate, disturbances, and land use , are likely to alter hydrologic flow paths, and .natural resource managers inc
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Integrating Multiple Data Sets to Inform Climate Adaptation Strategies for Inland Fish and Recreational Fishing

Climate change is reshaping the abundance and distribution of sport fishes across the U.S., creating novel challenges for socially and economically important recreational fisheries. Existing fish and recreational fisheries data sets are invaluable given their broad geographic footprint and long-term data, but integration across datasets to inform management has been limited, leading to obstacles i
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Integrating Multiple Data Sets to Inform Climate Adaptation Strategies for Inland Fish and Recreational Fishing

Climate change is reshaping the abundance and distribution of sport fishes across the U.S., creating novel challenges for socially and economically important recreational fisheries. Existing fish and recreational fisheries data sets are invaluable given their broad geographic footprint and long-term data, but integration across datasets to inform management has been limited, leading to obstacles i
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Promoting Peer-to-Peer Knowledge Exchange on Climate and Fire Adaptation in the Southwestern United States

The Southwest Fire Climate Adaptation Partnership (SW FireCAP) is working to advance fire and climate adaptation in the southwestern U.S. Focused on cross-organizational collaboration and leveraging resources, the partnership facilitates climate adaptation planning by “sharing Indigenous and Western knowledge perspectives, being inclusive, and building trust.” The Collaborative Conservation and Ad
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Promoting Peer-to-Peer Knowledge Exchange on Climate and Fire Adaptation in the Southwestern United States

The Southwest Fire Climate Adaptation Partnership (SW FireCAP) is working to advance fire and climate adaptation in the southwestern U.S. Focused on cross-organizational collaboration and leveraging resources, the partnership facilitates climate adaptation planning by “sharing Indigenous and Western knowledge perspectives, being inclusive, and building trust.” The Collaborative Conservation and Ad
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Providing a Climate Science Foundation for Updating the Integrated Rangeland Fire Management Strategy Actionable Science Plan

The long-term success of management efforts in sagebrush habitats are increasingly complicated by the impacts of a changing climate throughout the western United States. These complications are most evident in the ongoing challenges of drought and altered rangeland fire regimes resulting from the establishment of nonnative annual grasses. The Integrated Rangeland Fire Management Strategy recognize
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Providing a Climate Science Foundation for Updating the Integrated Rangeland Fire Management Strategy Actionable Science Plan

The long-term success of management efforts in sagebrush habitats are increasingly complicated by the impacts of a changing climate throughout the western United States. These complications are most evident in the ongoing challenges of drought and altered rangeland fire regimes resulting from the establishment of nonnative annual grasses. The Integrated Rangeland Fire Management Strategy recognize
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Science to Support Marsh Conservation and Management Decisions in the Northeastern United States

Coastal resource and infrastructure managers face rapidly mounting environmental challenges. Increases in sea levels, decaying or outdated infrastructure, compound flooding from ocean storm surges and river runoff, and temperature and moisture extremes are all increasing the vulnerability of natural habitats, public, private, and commercial infrastructure, and community health and functionality. T
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Science to Support Marsh Conservation and Management Decisions in the Northeastern United States

Coastal resource and infrastructure managers face rapidly mounting environmental challenges. Increases in sea levels, decaying or outdated infrastructure, compound flooding from ocean storm surges and river runoff, and temperature and moisture extremes are all increasing the vulnerability of natural habitats, public, private, and commercial infrastructure, and community health and functionality. T
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