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Climate change is expected to worsen the harmful effects of invasive species on native wildlife. This presents a growing conservation challenge for invasive species managers in the southeastern United States where thousands of invasive species exist. While many of these invasive species currently have relatively small ranges in the southeastern U.S., climate change may allow them to expand into new regions. To effectively plan and respond to the redistribution of invasive species, it is crucial to coordinate existing information and identify future information needs across regional boundaries. The ultimate goal of this project is to improve invasive species management in the face of climate change by establishing...
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Black ash wetlands occupy over 1.2 million hectares of forest in the Great Lakes region, providing habitat for unique and diverse wildlife communities. In these wetlands, black ash trees are a foundational species, regulating all aspects of ecosystem function, and are also an important cultural resource for Native Americans, specifically for basket-makers. Black ash wetlands are critically threatened by the interaction of climate change and the invasive emerald ash borer (EAB), which is expected to spread northward and westward into large expanses of black ash with warming winters. These threats present a significant challenge for long-term conservation efforts to preserve ecosystem functions, cultural lifeways,...
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In the Gulf of Alaska, streams will experience more dramatic low water events, interspersed with larger and potentially more frequent high flow events in the coming decades. Reduced stream flows are likely to occur due to diminished snowpack and seasonal droughts, while higher flow events are likely to occur with more frequent storms and rain-on-snow events. These changes are likely to influence the growth trajectories of juvenile salmon, such as coho salmon and chinook salmon, that live up to two years in freshwater before migrating to the ocean. Stream flows can influence juvenile salmon growth by modifying food availability, water clarity, temperature, and predation risk. This high-resolution study examines...
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Alaska is an ecologically, commercially, and recreationally diverse state, providing value to people and terrestrial and aquatic species alike. Presently, Alaska is experiencing climatic change faster than any other area of the United States, but across the state, comprehensive environmental monitoring is logistically difficult and expensive. For instance, only about 1% of U.S Geological Survey (USGS) stream gages are in Alaska, and only about 50% of those gages measure water temperature, an important climate change indicator. In this study, predictive models are being used to map stream temperatures under current and future climate scenarios across the Yukon and Kuskokwim River basins (YKRB) at the stream reach...
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Nearshore marine ecosystems in Alaska and Hawai‘i rely heavily on organic materials and nutrients delivered by rivers and streams. It is hypothesized that the magnitude and timing of stream flows influences this delivery of materials to coastal ecosystems. However, despite previous research on the topic, there is still considerable uncertainty about how stream flow may influence these land-to-water (“ridge-to-reef") linkages, and how climate change induced shifts in runoff may ripple across ecosystem boundaries to influence estuary and nearshore marine ecosystems and species of cultural and commercial importance (e.g., Pacific salmon, gobies, and coral reefs). This project is a collaborative study to examine...
    map background search result map search result map The Influence of Stream Flow Patterns on Juvenile Salmon Growth in Southeast Alaska Climate Vulnerability of Aquatic Species to Changing Stream Temperatures and Wildfire Across the Yukon and Kuskokwim River Basins, Alaska From Land to Sea: How Will Shifts in Stream Flow Influence Delivery of Nutrients, Organic Matter, and Organisms to Alaska and Hawai‘i Nearshore Marine Ecosystems? Assessing the Impacts of Emerald Ash Borer and Adaptation Strategies on Habitat Quality for At Risk Wildlife in Black Ash Forests Southeast Regional Invasive Species and Climate Change Management Network (SE RISCC) Assessing the Impacts of Emerald Ash Borer and Adaptation Strategies on Habitat Quality for At Risk Wildlife in Black Ash Forests The Influence of Stream Flow Patterns on Juvenile Salmon Growth in Southeast Alaska Southeast Regional Invasive Species and Climate Change Management Network (SE RISCC) Climate Vulnerability of Aquatic Species to Changing Stream Temperatures and Wildfire Across the Yukon and Kuskokwim River Basins, Alaska From Land to Sea: How Will Shifts in Stream Flow Influence Delivery of Nutrients, Organic Matter, and Organisms to Alaska and Hawai‘i Nearshore Marine Ecosystems?