User's guide to the Parallel Processing Extension of the Prognosis Model

Crookston, Nicholas L.; Stage, Albert R.

doi:10.2737/int-gtr-281

Cited by 33 publications

(33 citation statements)

References 14 publications

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“…It is capable of representing several disturbance agents besides fire, represents the dynamic interactions of agents in space within the landscape, and directly outputs or links to scores of indicators measuring stand structural attributes, species-specific wildlife habitat quality for birds, bats, ungulates, and bears, patch size, old growth, 23 measures of water quality, visual quality, and timber. It is based on the Parallel Processing Extension of FVS (Crookston and Stage 1991), western root disease model (Frankel 1998), and is linked to a geographic information system. Its spatial scope is several thousand stands, and its time scope is over one generation of trees, about 300 years.…”

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confidence: 99%

The Fire and Fuels Extension to the Forest Vegetation Simulator

Reinhardt¹,

Crookston²

2003

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The Fire and Fuels Extension (FFE) to the Forest Vegetation Simulator (FVS) simulates fuel dynamics and potential fire behaviour over time, in the context of stand development and management. Existing models of fire behavior and fire effects were added to FVS to form this extension. New submodels representing snag and fuel dynamics were created to complete the linkages.This report contains four chapters. Chapter 1 states the purpose and chronicles some applications of the model. Chapter 2 details the model's content, documents links to the supporting science, and provides annotated examples of the outputs. Chapter 3 is a user's guide that presents options and examples of command usage. Chapter 4 describes how the model was customized for use in different regions.Fuel managers and silviculturists charged with managing fire-prone forests can use the FFE-FVS and this document to better understand and display the consequences of alternative management actions. Keywords The use of trade or firm names in this publication is for reader information and does not imply endorsement by the U.S. Department of Agriculture of any product or serviceYou may order additional copies of this publication by sending your mailing information in label form through one of the following media. Please specify the publication title and number. Collectively, the authors of the papers published in this volume thank the following people. Albert R. Stage encouraged the project team members throughout the project, attended workshops, and reviewed manuscripts. Jim Brown and Stage co-led this work at the beginning, found resources, and mentored our work. To a large degree the lifetime of work from Brown and Stage is merged in this project. The team received extremely helpful reviews on the Model Description from Jane Kappler-Smith, Paul Langowski, and Al Stage. David Atkins, Jamie Barbour, and Paul Stancheff reviewed the Preface. The User's Guide was reviewed by Renee Lundberg and Glenn Christensen, and the FFE Variants chapter was reviewed by Stephanie Rebain, Elizabeth Reinhardt and Nick Crookston. Casey Teske evaluated the model behavior. Stephanie Rebain found and fixed many problems, and greatly improved the model's performance.The following people participated in one or more workshops, held to specify the components of the FFE, to calibrate it for specific regions, or both. The free flow of information and ideas at these workshops was key to the success and adaptation of this model. Introduction ___________________________________________________Fire is now represented in the Forest Vegetation Simulator's (FVS) predictions of forest stand dynamics. At long last! Al Stage (1973) recognized the importance of including disturbance agents in stand projections when he included mountain pine beetle-caused mortality of lodgepole pine in the first release of the FVS parent model, the Prognosis Model for Stand Development.Furthermore, long-term stand dynamics are now included in simulations of fires and fire effects. Fuel managers have a tool, th...

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confidence: 99%

The Fire and Fuels Extension to the Forest Vegetation Simulator

Reinhardt¹,

Crookston²

2003

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228

212

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“…Crookston and Stage (1991) demonstrated such an application. Tree removal and site preparation treatments were entered to describe various fire regimes.…”

Section: Predicting Succession Quantitativelymentioning

confidence: 94%

Fire ecology of the forest habitat types of northern Idaho

Smith¹,

Fischer²

1997

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“…Processing stand level simulation entities in parallel and allowing between-stand contagion at every simulation time step was an early approach to address landscape dynamics (Crookston and Stage, 1991;Crookston and Dixon, 2005: FVS). Cellular automaton approaches are used widely to simulate spatial spread of insect disturbances across forest landscapes.…”

Section: Impactmentioning

confidence: 99%