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Articles 91 - 120 of 409
Full-Text Articles in Wood Science and Pulp, Paper Technology
To Burn Or Not To Burn Oriental Bittersweet: A Fire Manager’S Conundrum, Noel B. Pavlovic, Stacey A. Leicht-Young, Ralph Grundel, Scott A. Weyenberg, Neal Mulconrey
To Burn Or Not To Burn Oriental Bittersweet: A Fire Manager’S Conundrum, Noel B. Pavlovic, Stacey A. Leicht-Young, Ralph Grundel, Scott A. Weyenberg, Neal Mulconrey
Joint Fire Science Program Research Project Reports
Oriental bittersweet (Celastrus orbiculatus) is an introduced liana (woody vine) that has invaded much of the Eastern United States and is expanding west into the Great Plains. In forests, it can girdle and damage canopy trees. At Indiana Dunes, we have discovered that it is invading non-forested dune habitats as well. Anecdotal evidence suggests that fire might facilitate its spread, but the relationship between fire and this aggressive invader is poorly understood. We investigated four areas important to fire management of oriental bittersweet, each of which we will briefly summarize here. 1) What fire temperatures cause seed mortality? For seeds, …
Using Escaped Prescribed Fire Reviews To Improve Organizational Learning, Anne E. Black Dr., James Saveland Dr., Dave Thomas, Jennifer Ziegler Dr.
Using Escaped Prescribed Fire Reviews To Improve Organizational Learning, Anne E. Black Dr., James Saveland Dr., Dave Thomas, Jennifer Ziegler Dr.
Joint Fire Science Program Research Project Reports
The US wildland fire community has been interested in cultivating organizational learning to improve safety and overall performance for a number of years. A key focus has been on understanding the difference between culpability (to be guilty) and accountability (to explain) and on re-orienting review processes towards building a collective account of (as opposed to finding individual blame for) unwanted outcomes. A variety of innovative methodologies have been developed, yet until this project, there has been no systematic reflection to determine whether or how any of the existing review processes might be assisting organizational learning. Through a series of five …
A Decision-Support System For Assessing The Impact Of Fire Management On Threatened And Endangered Species, Gordon Reeves, Rebecca Flitcroft, Lee E. Benda, Pete Bisson, Steve Wondzell, Jeff Falke, Kris Mcnyset, Ken Vance-Borland, Dan Miller
A Decision-Support System For Assessing The Impact Of Fire Management On Threatened And Endangered Species, Gordon Reeves, Rebecca Flitcroft, Lee E. Benda, Pete Bisson, Steve Wondzell, Jeff Falke, Kris Mcnyset, Ken Vance-Borland, Dan Miller
Joint Fire Science Program Research Project Reports
Historically, wildfire was an important agent of change in landscapes across the western United States. Fires of varying magnitudes and extents contributed to a mosaic of dynamic landscape conditions. For the past century, fire management that focuses on fire suppression has effectively altered the composition of many vegetation communities across the landscape. Fire management and other landuse practices associated with natural resource use, agriculture, and residential development have changed the complexity of terrestrial landscapes. Aquatic systems have not been exempt from these changes: alterations in disturbance processes on the landscape have changed inputs into the stream environment, and practices such …
A Fire Prevention Effectiveness Assessment For Multiple Ownerships, Jeffrey P. Prestemon Dr., Karen L. Abt, David T. Butry, Douglas S. Thomas, Sam Scranton, Scott L. Goodrick, Parker T. Mothershead, Terry K. Haimes, Susan Marzec, John Owens, Suzanne Romero, Reid Shelley, Loren Walker, Angela Yearwood
A Fire Prevention Effectiveness Assessment For Multiple Ownerships, Jeffrey P. Prestemon Dr., Karen L. Abt, David T. Butry, Douglas S. Thomas, Sam Scranton, Scott L. Goodrick, Parker T. Mothershead, Terry K. Haimes, Susan Marzec, John Owens, Suzanne Romero, Reid Shelley, Loren Walker, Angela Yearwood
Joint Fire Science Program Research Project Reports
This study first summarized findings of fire prevention education statistical modeling from the State of Florida from a study originally led by the Principal Investigator and two major collaborators (Karen Abt, USDA Forest Service, and David T. Butry, National Institute of Standards and Technology). The study next measured the statistical effects of wildfire prevention programs occurring on tribal lands administered by the Bureau of Indian Affairs, with primary involvement of major collaborator Sam Scranton (Bureau of Indian Affairs). Using first a binary variable indicating the presence or absence of a wildfire prevention program on lands managed by the tribe or …
Affecting Risk: Improving Hazard Communication In The Wildland-Urban Interface, Melissa Wright Dr., Destiny Aman
Affecting Risk: Improving Hazard Communication In The Wildland-Urban Interface, Melissa Wright Dr., Destiny Aman
Joint Fire Science Program Research Project Reports
Wildfire hazard is a growing problem in many areas of the United States, especially in the wildland-urban interface (WUI), where homes and other structures border or intermingle with forests, shrubs and grasslands. Despite years of educational outreach by fire management officials promoting effective and affordable mitigation strategies, research shows that residents, especially seasonal residents and those new to an area, still tend to under-invest in mitigation, even when they perceive their risk to be high. Meanwhile, the social and economic costs of wildfire have increased with fire size and intensity and far exceed the costs of mitigation. This problem has …
Age-Class Mosaics And Wind-Driven Fire: Further Fuel For The Debate, Jan L. Beyers, Philip J. Riggan, David Weise, Timothy Paysen, Marcia Narog
Age-Class Mosaics And Wind-Driven Fire: Further Fuel For The Debate, Jan L. Beyers, Philip J. Riggan, David Weise, Timothy Paysen, Marcia Narog
Joint Fire Science Program Research Project Reports
In 2006 the Santa Ana wind-driven Esperanza fire burned through the North Mountain Experimental Area (NMEA) and vicinity, including the scars of 10 previous fires. Multiple images of the fire’s progression were taken using PSW Research Station’s airborne FireMapper thermal-imaging system. Existing fuels data and historic NMEA maps plus new fire images were used to investigate relationships between vegetation history, fire behavior and severity, and fuel consumption. Soil samples were collected at a subset of fire severity sample points to assess seed bank survival. Coordinated documentation of vegetation recovery addressed the effects of age class and fire severity on chaparral …
Assessing Fuels Treatments In Southern California National Forests In The Context Of Climate Change, Timothy J. Brown, Crystal A. Kolden, John T. Abatzoglou
Assessing Fuels Treatments In Southern California National Forests In The Context Of Climate Change, Timothy J. Brown, Crystal A. Kolden, John T. Abatzoglou
Joint Fire Science Program Research Project Reports
One of the key uncertainties in fuels treatments is their longevity under a changing climate. Several recent studies have assessed fuel treatment effectiveness during historic fires, and in many cases found the treatment less effective than desired, particularly during extreme or record conditions. In 2007, southern California experienced one of the most severe fire seasons to-date due to record low fuel moistures early in the fire season (a key driver of the two-month long Zaca fire) and historic Santa Ana winds late in the season (resulting in several large late October fires). Climate change projections for the region suggest that …
Can Climate Change Increase Fire Severity Independent Of Fire Intensity?, Phil Van Mantgem, Marybeth Keifer, Rob Klinger, Eric Knapp
Can Climate Change Increase Fire Severity Independent Of Fire Intensity?, Phil Van Mantgem, Marybeth Keifer, Rob Klinger, Eric Knapp
Joint Fire Science Program Research Project Reports
We tested the idea that climate may affect forest fire severity independent of fire intensity. Pervasive warming can lead to chronic stress on forest trees (McDowell et al. 2008; Raffa et al. 2008), resulting in higher sensitivity to fire-induced damage (van Mantgem et al. 2003). Thus, there may be ongoing increases in fire severity (the number of trees killed), even when there is no change in fire intensity (the amount of heat released during a fire). We examined this question at a subcontinental scale by synthesizing existing information from plot-based prescribed fire monitoring databases across the western United States of …
Phase 1 Of The Smoke And Emissions Model Intercomparison Project (Semip): Creation Of Semip And Evaluation Of Current Models, Narasimhan K. Larkin, Tara M. Strand, Stacy A. Drury, Sean M. Raffuse, Robert C. Solomon, Susan M. O'Neill, Neill Wheeler, Shihming Huang, Miriam Roring, Hilary R. Hafner
Phase 1 Of The Smoke And Emissions Model Intercomparison Project (Semip): Creation Of Semip And Evaluation Of Current Models, Narasimhan K. Larkin, Tara M. Strand, Stacy A. Drury, Sean M. Raffuse, Robert C. Solomon, Susan M. O'Neill, Neill Wheeler, Shihming Huang, Miriam Roring, Hilary R. Hafner
Joint Fire Science Program Research Project Reports
Managers, regulators, and others often need information on the emissions from wildland fire and their expected smoke impacts. In order to create this information, combinations of models are utilized. The modeling steps follow a logical progression from fire activity through to emissions and dispersion. In general, several models and/or datasets are available for each modeling step, resulting in a large number of combinations that can be created to produce fire emissions or smoke impacts. Researchers, managers, and policy makers need information on how different model choices affect the resulting output, and guidance on what choices to make in selecting the …
A National Study Of The Consequences Of Fire And Fire Surrogate Treatments, Phil Weatherspoon, Jim Agee, Phil Aune, Jim Baldwin, Jamie Barbour, Frank Beall, Julio Betancourt, Ralph Boerner, Matt Busse, Carl Edminster, Gary Fiddler, Carl Fiedler, Sally Haase, Kathy Harchsen, Mick Harrington, Ron Hodgson, Sue Husari, Jon Keeley, Mike Landram, Bill Laudenslayer, Jim Mciver, Dan Neary, Bill Otrosina, Roger Ottmar, Martin Ritchie, Kevin Ryan, Patrick Shea, Carl Skinner, Scott Stephens, Nate Stephensen, Elaine Kennedy Sutherland, Bob Vihanek, Dale Wade, Tom Waldrop, Dan Yaussy, Andy Youngblood, Steve Zack
A National Study Of The Consequences Of Fire And Fire Surrogate Treatments, Phil Weatherspoon, Jim Agee, Phil Aune, Jim Baldwin, Jamie Barbour, Frank Beall, Julio Betancourt, Ralph Boerner, Matt Busse, Carl Edminster, Gary Fiddler, Carl Fiedler, Sally Haase, Kathy Harchsen, Mick Harrington, Ron Hodgson, Sue Husari, Jon Keeley, Mike Landram, Bill Laudenslayer, Jim Mciver, Dan Neary, Bill Otrosina, Roger Ottmar, Martin Ritchie, Kevin Ryan, Patrick Shea, Carl Skinner, Scott Stephens, Nate Stephensen, Elaine Kennedy Sutherland, Bob Vihanek, Dale Wade, Tom Waldrop, Dan Yaussy, Andy Youngblood, Steve Zack
Joint Fire Science Program Research Project Reports
Many U.S. forests, especially those with historically short-interval, low- to moderate-severity fire regimes, are too dense and have excessive quantities of fuels. Widespread treatments are needed to restore ecological integrity and reduce the high risk of destructive, uncharacteristically severe fires in these forests. Among possible treatments, however, the appropriate balance among cuttings, mechanical fuel treatments, and prescribed fire is often unclear. For improved decisionmaking, resource managers need much better information about the consequences of alternative management practices involving fire and mechanicaVmanual "fire surrogates." Long-term, interdisciplinary research thus should be initiated to quantify the consequences and tradeoffs of alternative fire and …
Cumulative Effects Of Fire And Fuels Management On Stream Water Quality And Ecosystem Dynamics, David S. Pilloid, Robert S. Arkle
Cumulative Effects Of Fire And Fuels Management On Stream Water Quality And Ecosystem Dynamics, David S. Pilloid, Robert S. Arkle
Joint Fire Science Program Research Project Reports
Prescribed fires and wildland fire-use are increasingly important management tools used to reduce fuel loads and restore the ecological integrity of western forests. Although a basic understanding of the effects of fire on aquatic ecosystems exists, the cumulative and possibly synergistic effects of wildfire following prescribed fire are unknown. Wildfires following prescribed fire may produce different burn severities and effects on riparian and stream ecosystems than wildfires in fire suppressed forests (e.g., fires absent >70 yrs) or prescribed fires alone. The goal of this study was to quantify and compare the effects of wildfire on stream and riparian ecosystems under …
Effects Of Fires And Insects On Fuel Structures In Piñon-Juniper And Post-Fire Invasive Communities, Lisa Floyd-Hanna Dr., Tim Crews Dr., William H. Romme, David Hanna, Monique Rocca Dr., Dustin Hanna, George San Miguel
Effects Of Fires And Insects On Fuel Structures In Piñon-Juniper And Post-Fire Invasive Communities, Lisa Floyd-Hanna Dr., Tim Crews Dr., William H. Romme, David Hanna, Monique Rocca Dr., Dustin Hanna, George San Miguel
Joint Fire Science Program Research Project Reports
In the last decade, piñon-juniper (Pinus edulis-Juniperus osteosperma) woodlands of southwestern Colorado have been heavily impacted by wildfires and insects, and the effects on fuel structures and future fire intervals have been unclear. In these piñon-juniper woodlands, pre-historic fire rotations of up to 400 years were documented, but in recent climatic conditions, large stand-replacing wildfires burned between 1989 and 2008. Since the 1990s, a period of drought and rising temperatures, portions of the post-fire landscape were targets for invasive Carduus nutans, muskthistle and Bromus tectorum, cheatgrass, whose presence create unprecedented fuels, may shorten fire intervals, and reduce native biodiversity. We …
Engaging The Humanities To Address Wildland Fire Issues, Fred Swanson, Nathaniel Brodie, Charles Goodrich
Engaging The Humanities To Address Wildland Fire Issues, Fred Swanson, Nathaniel Brodie, Charles Goodrich
Joint Fire Science Program Research Project Reports
This project examined existing programs and potential options for collaborations among the humanities, art, science, land management, and public concerning wildfire and wildfire policy and education. These programs and partnerships include creative residencies; conferences, workshops, and symposia; art-science collaborative field studies; and community programs and partnerships. We also reviewed how popular literature frames, reflects and has affected our cultural understanding of wildfire. Our analysis concludes that, compared to the richness of the subject of wildfire, compared to the way wildfire encapsulates all the complexities and controversies of culture, history, and ecology, wildfire’s potential as a literary subject remains largely unfulfilled. …
Estimating Critical Climate-Driven Thresholds In Landscape Dynamics Using Spatial Simulation Modeling: Climate Change Tipping Points In Fire Management, Robert E. Keane, Rachel A. Loehman
Estimating Critical Climate-Driven Thresholds In Landscape Dynamics Using Spatial Simulation Modeling: Climate Change Tipping Points In Fire Management, Robert E. Keane, Rachel A. Loehman
Joint Fire Science Program Research Project Reports
Climate projections for the next 20-50 years forecast higher temperatures and variable precipitation for many landscapes in the western United States. Climate changes may cause or contribute to threshold shifts, or tipping points, where relatively small shifts in climate result in large, abrupt, and persistent changes in landscape patterns and fire regimes. Rather than simulate potential climate-fire interactions using future climate data derived from Global Climate Models (GCMs), we developed sets of progressively warmer and drier or wetter climate scenarios that span and exceed the range of GCM outputs for the western US, including temperature and precipitation combinations that may …
Evaluating The Effectiveness Of Wood Shreds On Post-Fire Erosion, Peter R. Robichaud, Randy B. Foltz, Charles G. Showers, James S. Groenier, Rory Sternke, Louise E. Ashmun, Robert E. Brown, Peter Jordan
Evaluating The Effectiveness Of Wood Shreds On Post-Fire Erosion, Peter R. Robichaud, Randy B. Foltz, Charles G. Showers, James S. Groenier, Rory Sternke, Louise E. Ashmun, Robert E. Brown, Peter Jordan
Joint Fire Science Program Research Project Reports
Agricultural straw mulching is a commonly used post-fire hillslope erosion control treatment that is aerially applied by helicopter. While widely used and reasonably effective at reducing erosion, agricultural straw is not native to the forest environment. There is a growing consensus among Burned Area Emergency Response (BAER) teams that mulch made from native forest material would be preferable to agricultural straw. Wood shred mulch made from post-fire road hazard trees is an alternative to agricultural straw. An optimized blend of sizes of wood shreds was effective in reducing sediment yields in both indoor rainfall simulation and outdoor field experiments. Several …
Identification Of Necessary Conditions For Arctic Transport Of Smoke From United States Fires, Narasimhan K. Larkin, Jennifer L. Dewinter, Tara M. Strand, Steven G. Brown, Sean M. Brown, Sean M. Raffuse, Jonathan Callahan, Kenneth J. Craig, Robert C. Solomon, Hilary R. Hafner
Identification Of Necessary Conditions For Arctic Transport Of Smoke From United States Fires, Narasimhan K. Larkin, Jennifer L. Dewinter, Tara M. Strand, Steven G. Brown, Sean M. Brown, Sean M. Raffuse, Jonathan Callahan, Kenneth J. Craig, Robert C. Solomon, Hilary R. Hafner
Joint Fire Science Program Research Project Reports
The deposition of black carbon (BC), a dark absorbing aerosol, is a significant contributor to observed warming trends in the Arctic (Hansen and Nazarenko, 2004; Jacobson et al., 2007). Biomass burning outside of the Arctic, including wildland prescribed fires, is a major potential source of Arctic BC. Therefore, limiting or eliminating spring prescribed burning has been suggested to Congress as a BC reduction technique (e.g., Zender, 2007). However, there are large uncertainties in the current estimates of the sources, source regions, and transport and transformation pathways of BC transported to the Arctic region (Shindell et al., 2008; Hegg et al., …
Timber Talk, Vol. 50, No. 4, November 1, 2012
Timber Talk, Vol. 50, No. 4, November 1, 2012
Timber Talk: Nebraska Forest Industry Newsletter
Lumber Market News ; Hardwood Lumber Price Trends—Green; Hardwood Lumber Price Trends—Kiln Dried.; Wood Products: Good for the Environment; Opening Faces; Sawing For Grade Increases Value; Nebraska Forestry Spotlight; The 2 X 4 Revolutionized Construction; The Trading Post; Timber Sales
Knowledge Exchange: A Two-Way Street, Elise Lequire
Knowledge Exchange: A Two-Way Street, Elise Lequire
Joint Fire Science Program Digests
The best available science is of little use if it gathers dust on the shelves of library stacks or is deeply embedded on an obscure website. A key part of the Joint Fire Science Program (JFSP) mission is to ensure research on wildland fire science is readily available to practitioners in a useful format so it can help support sound management decisions. The JFSP has made great inroads in this arena on a national level, but managers short on time often have to sift through an overload of information that may not be specific to their region. In the next …
Preparing Tomorrow’S Fire Professionals: Integration Of Education, Training, And Experience Through Science-Management Partnerships, Gail Wells
Joint Fire Science Program Digests
In this issue of Fire Science Digest, we explore the career and preparation challenges faced by forest and rangeland fire professionals, both new and seasoned. As the job description grows more complex, a well-rounded background in current and emerging areas of fi re science and fi re management becomes critical. Today’s top professionals are approaching retirement, and tomorrow’s fi re professionals need to be adequately prepared to succeed them.
After The Fire Is Out, Elise Lequire
After The Fire Is Out, Elise Lequire
Joint Fire Science Program Digests
Even before firefighters have left a burn site, a second wave of specialists is deployed. Their task: to assess the burn site; determine the level of risk to life, property, and ecological resources; and determine quickly the most effective postfire treatments for emergency stabilization and initial rehabilitation of the site. For the past 13 years, the Joint Fire Science Program (JFSP) has funded research on this critical phase of work, which often goes unnoticed after the fire is out. With support from the JFSP, scientists have made great strides in improving the tools available to assess postfire risks and evaluate …
Synthesis Of Knowledge Of Extreme Fire Behavior: Volume I For Fire Managers, Paul Werth, Brian Potter, Craig Clements, Mark Finney, Scott Goodrick, Martin Alexander, Miguel Cruz, Jason Forthofer, Sara Mcallister
Synthesis Of Knowledge Of Extreme Fire Behavior: Volume I For Fire Managers, Paul Werth, Brian Potter, Craig Clements, Mark Finney, Scott Goodrick, Martin Alexander, Miguel Cruz, Jason Forthofer, Sara Mcallister
Faculty Publications, Meteorology and Climate Science
The National Wildfire Coordinating Group definition of extreme fire behavior (EFB) indicates a level of fire behavior characteristics that ordinarily precludes methods of direct control action. One or more of the following is usually involved: high rate of spread, prolific crowning/ spotting, presence of fire whirls, and strong convection column. Predictability is difficult because such fires often exercise some degree of influence on their environment and behave erratically, sometimes dangerously. Alternate terms include “blow up” and “fire storm.” Fire managers examining fires over the last 100 years have come to understand many of the factors necessary for EFB development. This …
Improved Understanding Of Climate-Fi Re Relationships Along North America’S Pacifi C Coast, Marjie Brown
Improved Understanding Of Climate-Fi Re Relationships Along North America’S Pacifi C Coast, Marjie Brown
Joint Fire Science Program Briefs (2007-2012)
This research expanded our understanding of the climate/wildfi re relationship by identifying major climate controls and translating them into a practical tool, still under development, that managers can use for planning. The focus was on fi reclimate interactions from southern Oregon to Baja California, with emphasis placed on the infl uence of the Pacifi c North American (PNA) climate pattern. Researchers identifi ed and delineated differences in the way fi re activity responded to climate variability on a regional scale with the intent to improve fi re season forecasts along the Pacifi c coast. Strong correlations were found between certain …
Rising Temperatures Trigger Ecological Changes In The Boreal Forest Of Alaska, Shari Anstedt
Rising Temperatures Trigger Ecological Changes In The Boreal Forest Of Alaska, Shari Anstedt
Joint Fire Science Program Briefs (2007-2012)
Fundamentally different from the rest of the forest types in the United States, Alaska’s boreal forest covers a signifi cant amount of acreage in an increasingly variable climate. With its high latitude location, predictions reveal that this region will be the first to experience the effects of global climate change. In fact, natives of this region are already dealing with warmer temperatures and a changing landscape. As a result, researchers conducted a study to help gather more information about this area and to better understand the effects of climate change and how those effects influence fire and fuels management. An …
Mastication On Red Mountain: Investigating Fuel Loads And Fire Effects, Shari Anstedt
Mastication On Red Mountain: Investigating Fuel Loads And Fire Effects, Shari Anstedt
Joint Fire Science Program Briefs (2007-2012)
Although complete fire exclusion is a thing of the past in the Sierra Nevada, fire and fuel managers must still contend with dense forests and higher fuel loads that have built up over time. Controlled fire is a helpful fuel reduction method, but it can be tricky to manage, especially in an area with excessive fuels, or in plantations with trees having smaller diameters and lower crowns, which are more susceptible to heat damage. Mastication can also be a useful fuel treatment and has become a popular alternative, but includes its own set of drawbacks and uncertainties. Since little research …
Assessing Post-Fire Treatment Effects And Burn Severity On The Sandy Loam Soils Of Oregon, Shari Anstedt
Assessing Post-Fire Treatment Effects And Burn Severity On The Sandy Loam Soils Of Oregon, Shari Anstedt
Joint Fire Science Program Briefs (2007-2012)
Fire helps reduce dead and accumulated vegetation and enriches the soil by releasing nutrients bound in litter. But when fuel loads are too high and wildfi res burn too hot, problems may arise. A perfect example of this is the 2003 Booth and Bear Butte (B&B) fire in central Oregon, which consumed more than 90,000 acres of mixed conifer forest. On the surface, the effects on trees and vegetation seemed obvious, but what about the wildfi re effects on what we don’t see? How do post-fi re management activities support or impede forest recovery? Furthermore, how were the soils, and …
Ok-Fire: Weather-Based Decision Support For Wildland Fire Management, Shari Anstedt
Ok-Fire: Weather-Based Decision Support For Wildland Fire Management, Shari Anstedt
Joint Fire Science Program Briefs (2007-2012)
There’s a lot of wildland in Oklahoma—and as a result, a lot of potential for fire. To help prepare for wildfire and perform fi re management activities, land managers previously used weather, fire danger, and smoke management products provided by the Oklahoma Mesonet, the state’s automated weather station network. But unfortunately, the products were not easily found or easy to use, and very little user training was provided. Fire managers also expressed the need for multi-day forecasting capabilities to help anticipate periods of high fire danger and severe wildfi re conditions and to improve pre-burn planning and management. These critical …
Fire History Study Reveals Surprises About Mixed-Pine Ecology In Eastern Upper Michigan, Joy Drohan
Fire History Study Reveals Surprises About Mixed-Pine Ecology In Eastern Upper Michigan, Joy Drohan
Joint Fire Science Program Briefs (2007-2012)
Mixed red and white pine forests in eastern Upper Michigan saw frequent fires, about every 50–60 years, before Euro-American settlement. Post-settlement, the fire cycle has lengthened and forest composition has shifted to include more jack pine and fi re-sensitive deciduous trees, increasing fuel loadings and changing wildlife habitat along the way. In cooperation with researchers and land managers at Seney National Wildlife Refuge, researchers at The Ohio State University are working out details of combining mechanical treatments with prescribed fire to restore mixed-pine forests dominated by red and white pine. In particular, their findings about red pine ecology could change …
Assessing Mechanical Mastication And Thinning-Piling-Burning Treatments On The Pinyon-Juniper Woodlands Of Southwestern Colorado, Shari Anstedt
Assessing Mechanical Mastication And Thinning-Piling-Burning Treatments On The Pinyon-Juniper Woodlands Of Southwestern Colorado, Shari Anstedt
Joint Fire Science Program Briefs (2007-2012)
New knowledge of fire regimes in the pinyon-juniper woodlands of the interior western United States has altered management views. Once known as being at low wildfire risk, these woodlands are now at a higher risk for severe wildfires because of high tree densities exacerbated by ongoing drought and region-wide bark beetle (Ips confusus) infestation. To help reduce fuels and fi re hazards and to create defensible space in the wildland urban interface, regional land managers have conducted thinning-piling-burning treatments. Recently, however, a different treatment has been used—mechanical mastication. Although mechanical mastication is typically more cost effective, there is concern about …
Following The Smoke Trail, Jake Delwiche
Following The Smoke Trail, Jake Delwiche
Joint Fire Science Program Briefs (2007-2012)
Public land administrators and air quality managers need better information on the potential contribution of wildland fires vs. anthropogenic sources on possible exceedances of air quality standards. To obtain more precise information in California, a composite network was established for monitoring ozone (O3), nitrogen dioxide (NO2), ammonia (NH3), gaseous nitric acid (HNO3) and particulate matter (PM). The network was located in the Sierra Nevada region of central California. The network provided data for estimates of distribution of air pollutants from urban and agricultural activities, and measured contributions of area wildland fi res on ground levels of pollutants. Information was also …
Fish And Forest Management: Not Necessarily At Odds, Joy Drohan
Fish And Forest Management: Not Necessarily At Odds, Joy Drohan
Joint Fire Science Program Briefs (2007-2012)
Resource managers of lands harboring sensitive aquatic species face tough choices. They could manage forests to reduce their wildfire potential, while possibly harming the sensitive species habitat, or they could leave forests untreated for wildfire, risking an uncharacteristic fire that may drastically alter critical aquatic species habitat. This study sought to develop a decision support framework to help managers understand the potential impacts of fire and resulting disturbances, such as debris flows, in this puzzle. The resulting fish population persistence model, Integrating Forests, Fish, and Fire (IF3), relies on existing geographic information system (GIS) data to discern where human impacts …