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Articles 31 - 42 of 42
Full-Text Articles in Wood Science and Pulp, Paper Technology
Effects Of Stand-Replacing Wildfire On Ecosystem Carbon Pools In Lake States Jack Pine Forests, David E. Rothstein, John Bradford, Richard Corner, Katherine Chumack, Michael Cook, Ehsan Razavy-Toosi
Effects Of Stand-Replacing Wildfire On Ecosystem Carbon Pools In Lake States Jack Pine Forests, David E. Rothstein, John Bradford, Richard Corner, Katherine Chumack, Michael Cook, Ehsan Razavy-Toosi
Joint Fire Science Program Research Project Reports
A key barrier to resolving uncertainty about the effects of fire on ecosystem C balance is the fact that fire effects on ecosystem C budgets are manifested over decadal time scales, meaning that we are largely forced to draw inferences using space-for-time substitution, or chronosequence, studies. Whereas chronosequences allow us to study processes occurring over long time scales, they are almost never re-sampled to verify the temporal trajectory of response variables, raising questions about the validity of chronosequence estimates of post-fire C dynamics. We re-sampled a well-studied fire chronosequence of jack pine (Pinus banksiana) forests in Michigan, providing a unique …
Evaluating Post-Fire Successional Trajectories After A Large High-Severity Wildfire, Peter Z. Fule, Carolyn Hull Sieg, Kristin L. Shive
Evaluating Post-Fire Successional Trajectories After A Large High-Severity Wildfire, Peter Z. Fule, Carolyn Hull Sieg, Kristin L. Shive
Joint Fire Science Program Research Project Reports
This study took advantage of permanent plots in the then-largest severe fire in the Southwest to assess fire effects on (1) successional trajectory, (2) plant community changes, including persistence of post-fire seeding and presence of non-native species, and (3) and fuel dynamics. Each objective resulted in a separate study and publication. Abstracts summarizing each objective studied are presented below. (1) Simulating post-wildfire forest trajectories under alternative climate and management scenarios. (2) Pre-fire fuel reduction treatments influence plant communities and exotic species 9 years after a large wildfire. (3) Pre-wildfire fuel reduction treatments result in more resilient forest structure a decade …
Experimental Determination Of Secondary Organic Aerosol Production From Biomass Combustion, Jeffrey Collett, Allen Robinson, Timothy Larson, Sonia Kreidenweis, Bret Schichtel
Experimental Determination Of Secondary Organic Aerosol Production From Biomass Combustion, Jeffrey Collett, Allen Robinson, Timothy Larson, Sonia Kreidenweis, Bret Schichtel
Joint Fire Science Program Research Project Reports
This project, a collaboration between Colorado State University (CSU), Carnegie Mellon University (CMU), the University of Washington (UW), and the National Park Service (NPS), investigated the atmospheric aging of biomass burning plumes in order to examine changes in both primary particle emissions and the production of additional, secondary organic aerosol (SOA). Included in the project were chamber studies to directly study smoke aging as well as analyses of ambient samples to look for evidence of smoke aging and SOA formation in the ambient atmosphere. CMU conducted smog chamber studies to investigate the atmospheric evolution of fine particle and organic aerosol …
Fire And Fish Dynamics In A Changing Climate: Broad- And Local-Scale Effects Of Fire-Induced Water Temperature Changes On Native And Nonnative Fish Communities, Michael K. Young, Lisa Eby, Lisa Holsinger, Daniel J. Isaak, Robert E. Keane
Fire And Fish Dynamics In A Changing Climate: Broad- And Local-Scale Effects Of Fire-Induced Water Temperature Changes On Native And Nonnative Fish Communities, Michael K. Young, Lisa Eby, Lisa Holsinger, Daniel J. Isaak, Robert E. Keane
Joint Fire Science Program Research Project Reports
Fire is a key natural disturbance that affects the distribution and abundance of native fishes in the Rocky Mountain West. In the absence of migratory individuals from undisturbed portions of a watershed, persistence of native fish populations depends on the conditions of the post-fire stream environment. Stream temperatures typically warm after fire, and remain elevated until riparian vegetation recovers. An additional threat to native species is that nonnative fishes have invaded many waters, and these species tolerate or prefer warmer water temperatures. Thus, forecasting the long-term effects of fire on native fish populations requires an understanding of fire dynamics (size, …
Fire Effects On Seed Banks And Vegetation In The Eastern Mojave Desert: Implications For Post-Fire Management, Matthew L. Brooks, Steven Ostoja, Robert Klinger
Fire Effects On Seed Banks And Vegetation In The Eastern Mojave Desert: Implications For Post-Fire Management, Matthew L. Brooks, Steven Ostoja, Robert Klinger
Joint Fire Science Program Research Project Reports
Area burned has increased during the past few decades in the Mojave Desert due in part to increased dominance of highly flammable invasive non-native annual grasses. Management responses such as post-fire seedings have been implemented during the first 3 post-fire years to suppress the growth of the invasive annual grasses, promote recovery of native species, and facilitate the restoration of plant species diversity and abundance. Although there is a fair amount of information available on the effects of fire on plant diversity, density, and cover, there is very little information available regarding effects on soil seed banks to help guide …
Fire Rehabilitation Effectiveness: A Chronosequence Approach For The Great Basin, David A. Pyke, David S. Pilliod, Jeanne C. Chambers, Matthew L. Brooks, James Grace
Fire Rehabilitation Effectiveness: A Chronosequence Approach For The Great Basin, David A. Pyke, David S. Pilliod, Jeanne C. Chambers, Matthew L. Brooks, James Grace
Joint Fire Science Program Research Project Reports
Federal land management agencies have invested heavily in seeding vegetation for emergency stabilization and rehabilitation (ES&R) of non-forested lands. ES&R projects are implemented to reduce post-fire dominance of non-native annual grasses, minimize probability of recurrent fire, quickly recover lost habitat for sensitive species, and ultimately result in plant communities with desirable characteristics including resistance to invasive species and resilience or ability to recover following disturbance. Land managers lack scientific evidence to verify whether seeding non-forested lands achieves their desired long-term ES&R objectives. The overall objective of our investigation is to determine if ES&R projects increase perennial plant cover, improve community …
Fuel Lifecycle And Long Term Fire Behavior Responses To Fuel Treatments In Southeastern Us Pine Ecosystems, Joseph J. O'Brien, Bret Butler, J. Kevin Hiers, Dan Jimenez, Robert J. Mitchell, Joseph W. Jones
Fuel Lifecycle And Long Term Fire Behavior Responses To Fuel Treatments In Southeastern Us Pine Ecosystems, Joseph J. O'Brien, Bret Butler, J. Kevin Hiers, Dan Jimenez, Robert J. Mitchell, Joseph W. Jones
Joint Fire Science Program Research Project Reports
We completed an investigation of the long term legacies of fuels treatments in longleaf pine sandhills at Eglin Air Force Base in the panhandle of Florida. From 1994-1999, The Nature Conservancy conducted a large-scale, long-term study at Eglin Air Force Base to compare the effectiveness of midstory reduction treatments, including herbicide, growing season fire, and mechanical clearing on the restoration of longleaf sandhill pine forests. The study plots have been monitored continuously since the completion of the original study and information still exists for all experimental sites, which have been burned as part of the prescribed fire program at Eglin …
Climate Change, Carbon Sequestration, And Wildfire Management In Sierran Mixed Conifer Forests, Scott Stephens Dr., Brandon M. Collins, Sabina Dore, Danny L. Fry, Anna Wong
Climate Change, Carbon Sequestration, And Wildfire Management In Sierran Mixed Conifer Forests, Scott Stephens Dr., Brandon M. Collins, Sabina Dore, Danny L. Fry, Anna Wong
Joint Fire Science Program Research Project Reports
We measured the impacts of prescribed fire and small clear-cut tree harvesting on carbon dynamics in a mixed-conifer forest in the central Sierra Nevada. Soil CO2 efflux, above ground tree biomass, annual tree radial growth, and ecosystem carbon stored as litter, fine root and in the mineral soil were measured in four treatment sites: an un-manipulated control, a prescribed fire site, and two harvested sites, in one of which the soil was mechanically ripped to reduce soil compaction, a common practice done on industrial forest lands in the Sierra Nevada. Biomass and radial tee growth was also measured in a …
Fuel Treatment Effectiveness In The United States, Mark A. Cochrane, Michael C. Wimberly, Jeffrey C. Eidenshink, Zhi-Liang Zhu, Don Ohlen, Mark Finney, Matt Reeves
Fuel Treatment Effectiveness In The United States, Mark A. Cochrane, Michael C. Wimberly, Jeffrey C. Eidenshink, Zhi-Liang Zhu, Don Ohlen, Mark Finney, Matt Reeves
Joint Fire Science Program Research Project Reports
The fire situation in the United States is well documented with a growing prevalence of larger and more intense fires that have increasingly severe consequences for affected ecosystems and human health and well being. Increasingly, fuels management has been put forth and implemented as part of an integral strategy for limiting extreme fire behavior, reducing the area affected by wildfire and minimizing the economic and ecological costs of fires. Communities and land management agencies are now treating millions of acres of wildland fuels annually and an ever-increasing number of wildfires are burning treated lands. Although the scientific premises of various …
Historic Fire Frequency In Mountain Big Sagebrush Communities Of The Eastern Great Basin And Colorado Plateau: A Comparison Of Estimates Based Upon Proxy Fire Scar Records And Predictions Derived From Post-Fire Succession Rates, Stanley G. Kitchen, Peter J. Weisberg
Historic Fire Frequency In Mountain Big Sagebrush Communities Of The Eastern Great Basin And Colorado Plateau: A Comparison Of Estimates Based Upon Proxy Fire Scar Records And Predictions Derived From Post-Fire Succession Rates, Stanley G. Kitchen, Peter J. Weisberg
Joint Fire Science Program Research Project Reports
Knowledge of past fire regimes associated with mountain big sagebrush-dominated landscapes is inadequate for scientifically-based land management that requires assessment of departures from historic conditions. Widely utilized estimates of fire frequency for sagebrush ecosystems are largely based upon few studies using fire-scarred proxy trees positioned at the forest/shrubland ecotone. These studies, all conducted in the northern half of the species distribution, generally fail to adequately address questions of fire behavior across the fuels threshold at the forest/woodland-shrubland ecotone. Alternatively, post-fire rates of succession have been used to suggest fire frequencies compatible with big sagebrush recovery. Minimum and maximum fire-free intervals …
Impacts Of Repeated Wildfire On Vegetation In The Southern Appalachian Mountains, Thomas A. Waldrop, Donald L. Hagan, Matthew Reilly
Impacts Of Repeated Wildfire On Vegetation In The Southern Appalachian Mountains, Thomas A. Waldrop, Donald L. Hagan, Matthew Reilly
Joint Fire Science Program Research Project Reports
The infrequent occurrence of large wildfires in the southern Appalachian Mountains over the last several decades has offered few opportunities to study the impacts of these types of disturbances. As a result, relatively little is known about how heterogeneity in topography, vegetation, and recent disturbance history interact to influence patterns of fire severity across the landscape. Since 2000, five separate wildfires burned a large portion of the area in, and surrounding the Linville Gorge Wilderness in western North Carolina, two burned the same area a second time. Burn severity and vegetative recovery were measured in 152 plots established in 1992 …
Timber Talk, Vol. 51, No. 2, June 1, 2013
Timber Talk, Vol. 51, No. 2, June 1, 2013
Timber Talk: Nebraska Forest Industry Newsletter
Lumber Market News; Hardwood Lumber Price Trends—Green; Hardwood Lumber Price Trends—Kiln Dried; Nebraska Timber Industry 2009; Global Timber and Wood Products Market Update; Drying Methods For Small Operators; Nebraska Forestry Spotlight; The Trading Post; Timber Sales.