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Articles 1 - 30 of 39
Full-Text Articles in Other Forestry and Forest Sciences
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
JFSP 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, …
Wildland Fire Suppression And Land Development In The Wildland/Urban Interface, Sheila Olmstead, Carolyn Kousky, Roger Sedjo
Wildland Fire Suppression And Land Development In The Wildland/Urban Interface, Sheila Olmstead, Carolyn Kousky, Roger Sedjo
JFSP Research Project Reports
This project has explored the hypothesis that public fire suppression in fire‐prone areas acts as a subsidy to landowners, incentivizing conversion of land to residential and commercial development. Landowners do not bear the full cost of their choice to build on land in fire‐prone areas, since they do not pay for suppression, though they reap all of the benefits, potentially resulting in economically inefficient levels of development. To test this hypothesis, we performed an econometric analysis of U.S. land use change between 1970 and 2000. Statistically, we identified the impacts of changes in fire suppression policy by exploiting a natural …
Wildfire Regime Shifts In Temperate Forest Ecosystems: International Symposium In New Zealand, Tomas Veblen, Alan Tepley, Andres Holz
Wildfire Regime Shifts In Temperate Forest Ecosystems: International Symposium In New Zealand, Tomas Veblen, Alan Tepley, Andres Holz
JFSP Research Project Reports
This project consisted of organizing and executing a one-day symposium on “Wildfire Regime Shifts in Temperate Forest Ecosystems” in conjunction with the triennial meeting of the Southern Connection Congress. The VIIth Southern Connection Congress drew together more than 350 environmental scientists and resource managers for its triennial meeting in Dunedin, New Zealand from January 25 to 30, 2013. The Southern Connection Congress (SCC) is a meeting of interdisciplinary researchers and natural resource managers who are interested in the biota and ecosystems of the temperate latitudes of the southern hemisphere. Attendees are from a wide range of research and professional disciplines …
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.
JFSP 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 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
JFSP 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 …
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
JFSP 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 …
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
JFSP 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 …
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
JFSP 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 …
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
JFSP 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
JFSP 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 …
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
JFSP 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 …
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
JFSP 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 …
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
JFSP 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 …
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
JFSP 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 …
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
JFSP 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. …
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
JFSP 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 …
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
JFSP 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 …
Fire And The Invasive Annual Grass Microstegium Vimineum In Eastern Deciduous Forests, S. Luke Flory, Keith Clay, Sarah Emery, Joseph Robb
Fire And The Invasive Annual Grass Microstegium Vimineum In Eastern Deciduous Forests, S. Luke Flory, Keith Clay, Sarah Emery, Joseph Robb
JFSP Research Project Reports
Non-native plant invasions have the potential to change natural and prescribed fire regimes by increasing fuel loads, continuity of fuels, and fuel composition, which may alter fire intensity, damage native species, and promote further invasions. In this project we sought to evaluate the interaction between fire and the invasive annual grass Microstegium vimineum in eastern deciduous forests. Our goal was to determine if invasions enhance fire intensity, including fire temperatures, flame heights, and fire duration, and negatively affect tree regeneration, and stimulate further invasions. We also sought to determine how prescribed fires and the timing of fires affect the density …
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
JFSP 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., …
Bark Beetles And Fire: Two Forces Of Nature Transforming Western Forests, Gail Wells
Bark Beetles And Fire: Two Forces Of Nature Transforming Western Forests, Gail Wells
Joint Fire Science Program Digests
Bark beetles are chewing a wide swath through forests across North America. Over the past few years, infestations have become epidemic in lodgepole and spruce-fir forests of the Intermountain West. The resulting extensive acreages of dead trees are alarming the public and raising concern about risk of severe fire. Researchers supported by the Joint Fire Science Program (JFSP) are examining the complicated relationship between bark beetles and wildfire, the two most influential natural disturbance agents in these forests. Are the beetles setting the stage for larger, more severe wildfires? And are fires bringing on beetle epidemics? Contrary to popular opinion, …
Predicting Dry Lightning Risk Nationwide, Joy Drohan
Predicting Dry Lightning Risk Nationwide, Joy Drohan
Joint Fire Science Program Briefs (2007-2012)
Meteorologists developed two formulas to predict the probability of dry lightning throughout the continental United States and Alaska and parts of Canada. Predictions are made daily and are accessible through the web at http://www.airfire.org/tools/daily-fire-weather/dry-lightning-probability. The emphasis is on the western United States, where dry lightning is a more common occurrence. Predictions are based on identifying days on which lightning is expected and separately determining whether there is likely to be at least 1/10th inch of accompanying rain. The formulas are run with the latest North American or Alaskan weather forecasting model and forecast dry lightning probabilities for about three days …
Climate Change, Forests, Fire, Water, And Fish: Building Resilient Landscapes, Streams, And Managers, Charles Luce, Penny Morgan, Kathleen Dwire, Daniel Isaak, Zachary Holden, Bruce Rieman, Robert Gresswell, John Rinne, Helen M. Neville, R. E. Gresswell, J. B. Dunham, Amanda E. Rosenberger, Michael K. Young
Climate Change, Forests, Fire, Water, And Fish: Building Resilient Landscapes, Streams, And Managers, Charles Luce, Penny Morgan, Kathleen Dwire, Daniel Isaak, Zachary Holden, Bruce Rieman, Robert Gresswell, John Rinne, Helen M. Neville, R. E. Gresswell, J. B. Dunham, Amanda E. Rosenberger, Michael K. Young
Joint Fire Science Program Synthesis Reports
Fire will play an important role in shaping forest and stream ecosystems as the climate changes. Historic observations show increased dryness accompanying more widespread fire and forest die-off. These events punctuate gradual changes to ecosystems and sometimes generate stepwise changes in ecosystems. Climate vulnerability assessments need to account for fire in their calculus. The biophysical template of forest and stream ecosystems determines much of their response to fire. 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 …
Wildland Fire In Ecosystems Effects Of Fire On Cultural Resources And Archaeology, Krista Deal, Leaonard Debano, Michael L. Elliot, Charles Haecker, Ann Trinkle Jones, Roger Kelly, Kristine M. Lee, Daniel F. Mccarthy, Elizabeth Oster, Trisha Rude, Samantha M. Ruscava-Barz, Kevin C. Ryan, Nelson Siefkin, Rebecca S. Timmons, John R. Welch
Wildland Fire In Ecosystems Effects Of Fire On Cultural Resources And Archaeology, Krista Deal, Leaonard Debano, Michael L. Elliot, Charles Haecker, Ann Trinkle Jones, Roger Kelly, Kristine M. Lee, Daniel F. Mccarthy, Elizabeth Oster, Trisha Rude, Samantha M. Ruscava-Barz, Kevin C. Ryan, Nelson Siefkin, Rebecca S. Timmons, John R. Welch
Joint Fire Science Program Synthesis Reports
This state-of-knowledge review provides a synthesis of the effects of fire on cultural resources, which can be used by fire managers, cultural resource (CR) specialists, and archaeologists to more effectively manage wildland vegetation, fuels, and fire. The goal of the volume is twofold: (1) to provide cultural resource/archaeological professionals and policy makers with a primer on fuels, fire behavior, and fire effects to enable them to work more effectively with the fire management community to protect resources during fuels treatment and restoration projects and wildfire suppression activities; and (2) to provide fire and land management professionals and policy makers with …
Research Perspectives On The Public And Fire Management: A Synthesis Of Current Social Science On Eight Essential Questions, Sarah M. Mccaffrey, Christine S. Olsen
Research Perspectives On The Public And Fire Management: A Synthesis Of Current Social Science On Eight Essential Questions, Sarah M. Mccaffrey, Christine S. Olsen
Joint Fire Science Program Synthesis Reports
As part of a Joint Fire Science Program project, a team of social scientists reviewed existing fire social science literature to develop a targeted synthesis of scientific knowledge on the following questions: 1. What is the public’s understanding of fire’s role in the ecosystem? 2. Who are trusted sources of information about fire? 3. 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? 4. What is the public’s understanding of smoke effects on human health, and what shapes the public’s tolerance for smoke? 5. …
A Comprehensive Guide To Fuel Management Practices For Dry Mixed Conifer Forests In The Northwestern United States, Theresa B. Jain, Mike A. Battaglia, Han-Sup Han, Russell T. Graham, Christopher R. Keyes, Jeremy S. Fried, Johnathan E. Sandquist
A Comprehensive Guide To Fuel Management Practices For Dry Mixed Conifer Forests In The Northwestern United States, Theresa B. Jain, Mike A. Battaglia, Han-Sup Han, Russell T. Graham, Christopher R. Keyes, Jeremy S. Fried, Johnathan E. Sandquist
Joint Fire Science Program Synthesis Reports
This guide describes the benefits, opportunities, and trade-offs concerning fuel treatments in the dry mixed conifer forests of northern California and the Klamath Mountains, Pacific Northwest Interior, northern and central Rocky Mountains, and Utah. Multiple interacting disturbances and diverse physical settings have created a forest mosaic with historically low- to mixed-severity fire regimes. Analysis of forest inventory data found nearly 80 percent of these forests rate hazardous by at least one measure and 20 to 30 percent rate hazardous by multiple measures. Modeled mechanical treatments designed to mimic what is typically implemented, such as thinning, are effective on less than …
Fish And Other Aquatic Resource Trends In The United States A Technical Document Supporting The Forest Service 2010 Rpa Assessment, Andrew J. Loftus, Curtis H. Flather
Fish And Other Aquatic Resource Trends In The United States A Technical Document Supporting The Forest Service 2010 Rpa Assessment, Andrew J. Loftus, Curtis H. Flather
USDA Forest Service / UNL Faculty Publications
The Forest and Rangeland Renewable Resources Planning Act (RPA) of 1974 requires periodic assessments of the status and trends in the Nation’s renewable natural resources including fish and other aquatic species and their habitats. Data from a number of sources are used to document trends in habitat quality, populations, resource use, and patterns of imperilment among aquatic fauna. Freshwater habitat quality varied widely across the United States. Nationwide, more than half of monitored lakes were ranked in good condition, but the percentage ranged from a high of 91 percent in the upper Midwest to a low of 1 percent in …
Timber Talk, Vol. 50, No. 2, June 1, 2012
Timber Talk, Vol. 50, No. 2, June 1, 2012
Timber Talk: Nebraska Forest Industry Newsletter
Lumber Market News; Hardwood Lumber Price Trends—Green; Hardwood Lumber Price Trends—Kiln Dried.; Air Drying Lumber; Chiggers-More Than You Ever Wanted To Know!; Nebraska Forestry Spotlight; The Trading Post; Timber Sales.
Timber Talk, Vol. 50, No. 3, September 1, 2012
Timber Talk, Vol. 50, No. 3, September 1, 2012
Timber Talk: Nebraska Forest Industry Newsletter
Lumber Market News; Hardwood Lumber Price Trends—Green; Hardwood Lumber Price Trends—Kiln Dried; Timber Stumpage Prices; Wood is Good; Solar-Heated Lumber Dryers: Design Basics; Nebraska Forestry Spotlight; Study Reveals Component Market Trends; The Trading Post
Terrestrial Biosphere Models Need Better Representation Of Vegetation Phenology: Results From The North American Carbon Program Site Synthesis, Andrew D. Richardson, Ryan S. Anderson, M. Altaf Arain, Alan G. Barr, G. Bohrer, Guangsheng Chen, Jing M. Chen, Philippe Ciais, Kenneth J. Davis, Ankur R. Desai, Michael C. Dietze, Danilo Dragoni, Steven R. Garrity, Christopher M. Gough, Robert Grant, David Y. Hollinger, Hank A. Margolis, Harry Mccaughey, Mirco Migliavacca, Russell K. Monson, J. William Munger, Benjamin Poulter, Brett M. Raczka, Daniel M. Ricciuto, Alok K. Sahoo, Kevin Schaefer, Hanqin Tian, Rodrigo Vargas, Hans Verbeeck, Jingfeng Xiao, Yongkang Xue
Terrestrial Biosphere Models Need Better Representation Of Vegetation Phenology: Results From The North American Carbon Program Site Synthesis, Andrew D. Richardson, Ryan S. Anderson, M. Altaf Arain, Alan G. Barr, G. Bohrer, Guangsheng Chen, Jing M. Chen, Philippe Ciais, Kenneth J. Davis, Ankur R. Desai, Michael C. Dietze, Danilo Dragoni, Steven R. Garrity, Christopher M. Gough, Robert Grant, David Y. Hollinger, Hank A. Margolis, Harry Mccaughey, Mirco Migliavacca, Russell K. Monson, J. William Munger, Benjamin Poulter, Brett M. Raczka, Daniel M. Ricciuto, Alok K. Sahoo, Kevin Schaefer, Hanqin Tian, Rodrigo Vargas, Hans Verbeeck, Jingfeng Xiao, Yongkang Xue
USDA Forest Service / UNL Faculty Publications
Phenology, by controlling the seasonal activity of vegetation on the land surface, plays a fundamental role in regulating photosynthesis and other ecosystem processes, as well as competitive interactions and feedbacks to the climate system. We conducted an analysis to evaluate the representation of phenology, and the associated seasonality of ecosystem- scale CO2 exchange, in 14 models participating in the North American Carbon Program Site Synthesis. Model predictions were evaluated using long-term measurements (emphasizing the period 2000–2006) from 10 forested sites within the AmeriFlux and Fluxnet-Canada networks. In deciduous forests, almost all models consistently predicted that the growing season started …
Nebraska’S Forest Resources, 2012, Dacia M. Meneguzzo, Chuck Barnett
Nebraska’S Forest Resources, 2012, Dacia M. Meneguzzo, Chuck Barnett
USDA Forest Service / UNL Faculty Publications
This publication provides an overview of forest resource attributes for Nebraska based on an annual inventory conducted by the Forest Inventory and Analysis (FIA) program at the Northern Research Station of the U.S. Forest Service. These estimates, along with web-posted core tables, will be updated annually. For more information please refer to page 5 of this report.