Synthesis / Tech Report
Climate change, forests, fire, water, and fish: building resilient landscapes, streams, and managers
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This report describes the framework of how fire and climate change work together to affect forest and fish communities. Learning how to adapt will come from testing, probing, and pushing that framework and then proposing new ideas. The western U.S. defies generalizations, and much learning must necessarily be local in implication. This report serves as a scaffold for that learning. It comprises three primary chapters on physical processes, biological interactions, and management decisions, accompanied by a special section with separately authored papers addressing interactions of fish populations with wildfire.
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This technical report reviews existing climate models that predict species and vegetation changes in the western United States, and it synthesizes knowledge about climate change impacts on the native fauna and flora of grasslands, shrublands and deserts of the interior American West. Species’ responses will depend not only on their physiological tolerances but also on their phenology, establishment properties, biotic interactions, and capacity to evolve and migrate.
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This paper reviews the nature and characteristics of bark beetle-altered fuel complexes in the conifer forests of the Interior West and the challenges of understanding the effects on extreme fire behavior, including the initiation and spread of crown fires. We also discuss how emerging fire management plans in the U.S. have begun to integrate wildfire management and other forest health objectives with the specific goal of achieving biodiversity and ecosystem resiliency while simultaneously reducing the existence of hazardous fuel complexes.
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This study suggests that both prescribed fire and its mechanical surrogates are generally successful in meeting short-term fuel-reduction objectives in seasonally dry forests in the western and southern United States, making treated stands more resilient to high-intensity wildfire. Although mechanical treatments do not serve as complete surrogates for fire, their application can help mitigate costs and liability in some areas. Desired treatment effects on fire hazards are transient, which indicates that after fuel-reduction management starts, managers need to be persistent with repeated treatment.
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This report outlines a range-wide strategy for maintaining whitebark pine populations in high mountain areas based on the most current knowledge of the efficacy of techniques and differences in their application across communities. The strategy is written as a general guide for planning, designing, implementing, and evaluating fine-scale restoration activities for whitebark pine by public land management agencies, and to encourage agency and inter-agency coordination for greater efficiency. The strategy is organized into six scales of implementation, and each scale is described by assessment factors, restoration techniques, management concerns, and examples.
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This review suggests that when applied, both prescribed fire and its mechanical surrogates are generally successful in meeting short-term
fuel-reduction objectives and in changing stand structure and fuel beds such that treated stands are more resistant and resilient to high-intensity wildfire.
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This study reviewed and synthesized the published literature on modifications to fuels and fire characteristics following beetle-caused tree mortality. The literature agreed about responses in many conditions, including fuels measurements and changes in stands with longer times since outbreak. Disagreement or gaps in knowledge existed in several conditions, particularly in early post outbreak phases and crown fire behavior responses.
Visit SageSTEP website.
SageSTEP is a long-term multidisciplinary experiment evaluating methods of sagebrush steppe restoration in the Great Basin.
You can find and access information on this project’s:
- Land management treatments
- Treatment effects on vegetation and fuels; soils and biogeochemistry; water runoff and erosion; wildlife and insects
- The economics and human perspectives of management treatments
- Association with climate change
- Research findings thus far and project future
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This synthesis reviewed existing scientific knowledge on the following questions:
- What is the public’s understanding of fire’s role in the ecosystem?
- Who are trusted sources of information about fire?
- What are the public’s views of fuels reduction methods, and how do those views vary depending on citizens’ location in the wildland-urban interface or elsewhere?
- What is the public’s understanding of smoke effects on human health, and what shapes the public’s tolerance for smoke?
- What are homeowners’ views of their responsibilities for home and property protection and mitigation, e.g., defensible space measures?
- What role does human health and safety play in the public’s perceptions of fire and fire management?
- What are the public’s views on the role and importance of costs in wildfire incident response decisions?
- To the extent that information is available, how do findings differ among ethnic and cultural groups, and across regions of the country?
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This report is intended to introduce policy makers and citizens to issues related to wildfire management and fuel treatments on Idaho’s rangelands. It summarizes the findings of fuel treatment studies on rangelands in Idaho and comparable areas of the western U.S., examines the risks associated with fuel treatment alternatives, summarizes the policies that currently affect fuel treatment implementation, and suggests research and policy alternatives that may increase fuel treatment effectiveness.