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Ecosystem

Displaying 4101 - 4120 of 6068 results

Natural disturbances play a key role in ecosystem dynamics and are important factors for sustainable forest ecosystem management. Quantitative models are frequently employed to tackle the complexities associated with disturbance processes. Here we…
Author(s): Rupert Seidl, Paulo M. Fernandes, Teresa Fidalgo Fonseca, François Gillet, Anna Maria Jönsson, Katarina Merganicova, Sigrid Netherer, A. Arpaci, Jean-Daniel Bontemps, Harald Bugmann, José Ramón González Olabarria, Petra Lasch, Céline Meredieu, Francisco Moreira, Mart Jan Schelhaas, G.M.J. Mohren
Year Published:

This FEIS species review synthesizes information on the relationship of Quercus macrocarpa (bur oak) to fire--how fire affects the species and its habitat, effects of the species on fuels and fire regimes, and fire management considerations.…
Author(s): Corey L. Gucker
Year Published:

Disturbance interactions have received growing interest in ecological research in the last decade. Fire and bark beetle outbreaks have recently increased in severity and extent across western North America, raising concerns about their possible…
Author(s): Martin Simard, William H. Romme, Jacob M. Griffin, Monica G. Turner
Year Published:

The Federal Land Policy and Management Act (1976: Public Law 94-579) requires coordination with approved tribal management plans for the purposes of development and revisions of such plans and is inclusive of programs or projects. Federal Government…
Author(s): Frank K. Lake
Year Published:

A wildfire emission model, based on the Canadian Forest Fire Behaviour Prediction System and the Canadian weather forecast Global Environmental Multiscale model, was applied to forest fires that occurred in Canada between 2000 and 2004. Emissions of…
Author(s): David Lavoue, Brian J. Stocks
Year Published:

Crownfire endangers fire fighters and can have severe ecological consequences. Prediction of fire behavior in tree crowns is essential to informed decisions in fire management. Current methods used in fire management do not address variability in…
Author(s): Russell A. Parsons, William E. Mell, Peter McCauley
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Climate changes are projected to profoundly influence vegetation patterns and community compositions, either directly through increased species mortality and shifts in species distributions, or indirectly through disturbance dynamics such as…
Author(s): Rachel A. Loehman, Allissa Corrow, Robert E. Keane
Year Published:

Fire is an important process in many ecosystems, especially grasslands. However, documentation of plant community and soil environment responses to fire is limited for semiarid grasslands relative to that for mesic grasslands. Replicated summer fire…
Author(s): Lance T. Vermeire, Jessica L. Crowder, David B. Wester
Year Published:

Coarse woody debris serves many functions in forest ecosystem processes and has important implications for fire management as it affects air quality, soil heating and carbon budgets when it combusts. There is relatively little research evaluating…
Author(s): Joshua C. Hyde, Alistair M. S. Smith, Roger D. Ottmar, Ernesto Alvarado, Penelope Morgan
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The goal of this guide is to provide a resource for managers of mixed conifer forests of the Southwestern plateaus and uplands, the Central and Southern Rocky Mountains, the Sierra Nevada, and the Transverse and Peninsular Ranges in Southern…
Author(s): Alexander M. Evans, Rick G. Everett, Scott L. Stephens, James A. Youtz
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Conventional wisdom within American federal fire management agencies suggests that external influence such as community or political pressure for aggressive suppression are key factors circumscribing the ability to execute less aggressive fire…
Author(s): Toddi A. Steelman, Sarah M. McCaffrey
Year Published:

Conventional wisdom within American federal fire management agencies suggests that external influence such as community or political pressure for aggressive suppression are key factors circumscribing the ability to execute less aggressive fire…
Author(s): Toddi A. Steelman, Sarah M. McCaffrey
Year Published:

This study examined neighbourhood level wildfire mitigation programs being implemented in neighbourhoods in Canada (FireSmart-ForestWise), Australia (Community Fireguard) and the US (Firewise Communities). Semi-structured interviews were completed…
Author(s): Tara K. McGee
Year Published:

Public land managers are asked to minimize fuel levels after fires, including using techniques such as salvage logging. They are also responsible for maintaining suitable wildlife habitat, especially for species of concern to state and federal…
Author(s): Victoria A. Saab
Year Published:

Anthropogenic climate change is hypothesized to modify the spread of invasive annual grasses across the deserts of the western United States. The influence of climate change on future invasions depends on both climate suitability that defines a…
Author(s): John T. Abatzoglou, Crystal A. Kolden
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Humans and their ancestors are unique in being a fire-making species, but ‘natural’ (i.e. independent of humans) fires have an ancient, geological history on Earth. Natural fires have influenced biological evolution and global biogeochemical cycles…
Author(s): David M. J. S. Bowman
Year Published:

We used the Fire and Fuels Extension to the Forest Vegetation Simulator (FFE-FVS) to simulate fuel treatment effects on 45,162 stands in low- to midelevation dry forests (e.g., ponderosa pine (Pinus ponderosa Dougl. ex. P. & C. Laws.) and…
Author(s): Morris C. Johnson, Maureen C. Kennedy, David L. Peterson
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Many forests and their associated water resources are at increasing risk from large and severe wildfires due to high fuel accumulations and climate change. Extensive fuel treatments are being proposed, but it is not clear where such treatments…
Author(s): Mary Ellen Miller, Lee H. MacDonald, Peter R. Robichaud, William J. Elliot
Year Published:

A 13,100-year-long high-resolution pollen and charcoal record from Foy Lake in western Montana is compared with a network of vegetation and fire-history records from the Northern Rocky Mountains. New and previously published results were stratified…
Author(s): Mitchell J. Power, Cathy L. Whitlock, Patrick J. Bartlein
Year Published:

This FEIS species review synthesizes information on the relationship of Muhlenbergia racemosa (green muhly) to fire--how fire affects the species and its habitat, effects of the species on fuels and fire regimes, and fire management considerations.…
Author(s): Kristin L. Zouhar
Year Published: