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Keyword: fire severity

Impacts of mixed severity wildfire on exotic plants in a Colorado ponderosa pine-Douglas-fir forest

Publications Posted on: December 01, 2010
The 2002 Hayman Fire burned with mixed severity across 55,800 ha of montane Colorado forest, including pre-existing plots that were originally measured for understory plant composition and cover in 1997. We examined the influence of the Hayman Fire on exotic plants by remeasuring these plots annually from 2003 to 2007.

Evaluating the ecological benefits of wildfire by integrating fire and ecosystem simulation models

Publications Posted on: May 06, 2010
Fire managers are now realizing that wildfires can be beneficial because they can reduce hazardous fuels and restore fire-dominated ecosystems. A software tool that assesses potential beneficial and detrimental ecological effects from wildfire would be helpful to fire management.

Changes in forest structure after a large, mixed-severity wildfire in ponderosa pine forests of the Black Hills, South Dakota, USA

Publications Posted on: May 05, 2009
We evaluated changes in forest structure related to fire severity after a wildfire in ponderosa pine forests of the Black Hills, South Dakota, where 25% burned at low, 48% at moderate, and 27% at high severity. We compared tree mortality, fine (FWD) and coarse woody debris (CWD) and tree regeneration in areas burned under different severity.

Pre-fire treatment effects and understory plant community response on the Rodeo-Chediski Fire, Arizona

Publications Posted on: May 05, 2009
High severity wildfires have been increasing across southwestern ponderosa pine forests in recent decades. As the effects of wildfire become more widespread across the landscape, the need for information about the ecological effects of fire on understory vegetation is mounting.

Chapter 16: Fire and nonnative plants-summary and conclusions

Publications Posted on: April 16, 2009
This volume synthesizes scientific information about interactions between fire and nonnative invasive plants in wildlands of the United States. If the subject were clear and simple, this volume would be short; obviously, it is not.

Chapter 15: Monitoring the effects of fire on nonnative invasive plant species

Publications Posted on: April 16, 2009
Monitoring, as defined by Elzinga and others (1998), is "the collection and analysis of repeated observations or measurements to evaluate changes in condition and progress towards meeting a management objective." Analyses of monitoring data may indicate that a project is meeting land management goals, or it may indicate that goals are not being met and management methods need to be adapted to reach them.

Chapter 14: Effects of fire suppression and postfire management activities on plant invasions

Publications Posted on: April 16, 2009
This chapter explains how various fire suppression and postfire management activities can increase or decrease the potential for plant invasions following fire. A conceptual model is used to summarize the basic processes associated with plant invasions and show how specific fire management activities can be designed to minimize the potential for invasion.