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2011

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Articles 271 - 300 of 355

Full-Text Articles in Natural Resources and Conservation

2011 Interior Least Tern And Piping Plover Monitoring, Research, Management, And Outreach Report For The Lower Platte River, Nebraska, Mary Bomberger Brown, Joel G. Jorgensen, Lauren R. Dinan Jan 2011

2011 Interior Least Tern And Piping Plover Monitoring, Research, Management, And Outreach Report For The Lower Platte River, Nebraska, Mary Bomberger Brown, Joel G. Jorgensen, Lauren R. Dinan

School of Natural Resources: Faculty Publications

This document reports on our monitoring, research, management, and outreach activities during the past 12 months (2011). We prepared it to inform our partners, cooperating agencies, funding sources, and other interested parties of our activities and to provide a preliminary summary of our results.

The Tern and Plover Conservation Partnership (TPCP), based at the University of Nebraska School of Natural Resources, and the Nongame Bird Program (NBP), based at the Nebraska Game and Parks Commission (NGPC), work cooperatively on Interior Least Tern and Piping Plover monitoring, research, management, and outreach in Nebraska. While the focus of our work is the …


Modeling Gross Primary Production Of Irrigated And Rain-Fed Maize Using Modis Imagery And Co2 Flux Tower Data, Joshua L. Kalfas, Xiangming Xiao, Diana X. Vanegas, Shashi B. Verma, Andrew E. Suyker Jan 2011

Modeling Gross Primary Production Of Irrigated And Rain-Fed Maize Using Modis Imagery And Co2 Flux Tower Data, Joshua L. Kalfas, Xiangming Xiao, Diana X. Vanegas, Shashi B. Verma, Andrew E. Suyker

School of Natural Resources: Faculty Publications

Abstract

Information on gross primary production (GPP) of maize croplands is needed for assessing and monitoring maize crop conditions and the carbon cycle. A number of studies have used the eddy covariance technique to measure net ecosystem exchange (NEE) of CO2 between maize cropland fields and the atmosphere and partitioned NEE data to estimate seasonal dynamics and interannual variation of GPP in maize fields having various crop rotation systems and different water management practices. How to scale up in situ observations from flux tower sites to regional and global scales is a challenging task. In this study, the Vegetation …


The Changing Roles Of Natural Resource Professionals: Providing Tools To Students To Teach The Public About Fire, Pat Stephens Williams, Brian Oswald, Karen Stafford, Justice Jones, David Kulhavy Jan 2011

The Changing Roles Of Natural Resource Professionals: Providing Tools To Students To Teach The Public About Fire, Pat Stephens Williams, Brian Oswald, Karen Stafford, Justice Jones, David Kulhavy

Faculty Publications

The Arthur Temple College of Forestry and Agriculture (ATCOFA) at Stephen F. Austin State University is taking a proactive stance toward preparing forestry students to work closely with the public on fire planning in wildland-urban interface areas. ATCOFA's incorporation of the "Changing Roles" curriculum provides lessons on how natural resource managers' roles are (1) different than they used to be, and (2) ever-evolving. The undergraduate Forestry Field Station summer program at the University's Piney Woods Conservation Center now emphasizes the importance and challenges of working with the public. The program brings practicing professionals from the Texas Forest Service to describe …


Meeting Reports: Research On Coupled Human And Natural Systems (Chans): Approach, Challenges, And Strategies, Marina Alberti, Heidi Asbjornsen, Lawrence A. Baker, Nicholas Brozovic, Laurie E. Drinkwater, Scott A. Drzyzga, Claire A. Jantz, José Fragoso, Daniel S. Holland, Timothy A. Kohler, Jianguo Liu, William J. Mcconnell, Herbert D.G. Maschner, James D.A. Millington, Michael Monticino, Guillermo Podestá, Robert Gilmore Pontius, Charles L. Redman, Nicholas J. Reo, David Sailor, Gerald Urquhart Jan 2011

Meeting Reports: Research On Coupled Human And Natural Systems (Chans): Approach, Challenges, And Strategies, Marina Alberti, Heidi Asbjornsen, Lawrence A. Baker, Nicholas Brozovic, Laurie E. Drinkwater, Scott A. Drzyzga, Claire A. Jantz, José Fragoso, Daniel S. Holland, Timothy A. Kohler, Jianguo Liu, William J. Mcconnell, Herbert D.G. Maschner, James D.A. Millington, Michael Monticino, Guillermo Podestá, Robert Gilmore Pontius, Charles L. Redman, Nicholas J. Reo, David Sailor, Gerald Urquhart

Daugherty Water for Food Global Institute: Faculty Publications

Understanding the complexity of human–nature interactions is central to the quest for both human well-being and global sustainability. To build an understanding of these interactions, scientists, planners, resource managers, policymakers, and communities increasingly are collaborating across wide-ranging disciplines and knowledge domains. Scientists and others are generating new integrated knowledge on top of their requisite specialized knowledge to understand complex systems in order to solve pressing environmental and social problems (e.g., Carpenter et al. 2009). One approach to this sort of integration, bringing together detailed knowledge of various disciplines (e.g., social, economic, biological, and geophysical), has become known as the study …


The Water Footprint Assessment Manual: Setting The Global Standard, Arjen Y. Hoekstra, Ashok K. Chapagain, Maite M. Aldaya, Mesfin Mekonnen Jan 2011

The Water Footprint Assessment Manual: Setting The Global Standard, Arjen Y. Hoekstra, Ashok K. Chapagain, Maite M. Aldaya, Mesfin Mekonnen

Daugherty Water for Food Global Institute: Faculty Publications

This book contains the global standard for 'water footprint assessment' as developed and maintained by the Water Footprint Network (WFN). It covers a comprehensive set of definitions and methods for water footprint accounting. It shows how water footprints are calculated for individual processes and products, as well as for consumers, nations and businesses. It also includes methods for water footprint sustainability assessment and a library of water footprint response options. A shared standard on definitions and calculation methods is crucial given the rapidly growing interest in companies and governments to use water footprint accounts as a basis for formulating sustainable …


A Financial Impact Assessment Of Ld 1725: Stream Crossings (Presentation), New England Environmental Finance Center, Muskie School Of Public Service Jan 2011

A Financial Impact Assessment Of Ld 1725: Stream Crossings (Presentation), New England Environmental Finance Center, Muskie School Of Public Service

Water

This report looks at the potential financial impact of LD 1725 on the estimated 30,000 stream crossings in the State of Maine that would be affected by the law. Our research for this report included the analysis of nearly 2000 stream crossings and the data collection necessary for the development of extensive stream crossing replacement cost models. We found that the 1.2 bankfull requirements in LD 1725 would result in a 75% ‐ 250% increase in structure widths for stream crossing projects across the state. An upsize of this magnitude would increase the cost of replacing stream crossings statewide by …


Temperature Increase Effects On Sagebrush Ecosystem Forbs: Exprimental Evidence And Range Manager Perspectives, Hilary Louise Whitcomb Jan 2011

Temperature Increase Effects On Sagebrush Ecosystem Forbs: Exprimental Evidence And Range Manager Perspectives, Hilary Louise Whitcomb

Green Canyon Environmental Research Area, Logan Utah

No abstract provided.


Baselines Newsletter, No. 7, Winter/Spring 2011, University Of Colorado Boulder. Natural Resources Law Center Jan 2011

Baselines Newsletter, No. 7, Winter/Spring 2011, University Of Colorado Boulder. Natural Resources Law Center

Baselines: The Natural Resources Law Center Newsletter (2007-2011)

No abstract provided.


Wind Energy Potential For Reverse Osmosis Desalination Plants In La Guajira, Colombia, Carlos Martinez-Smit Jan 2011

Wind Energy Potential For Reverse Osmosis Desalination Plants In La Guajira, Colombia, Carlos Martinez-Smit

Faculty-Selected Student Works

Project report required by the Master of Science Degree in Renewable and Clean Energy.

Abstract:

The region of La Guajira, located in the north of Colombia, has a lot of potential for wind power with annual average wind speeds up to 11 m/s at 10 m height in some locations, according to the national wind map. Most of the wind potential is located in Upper Guajira, where 90% of the population is indigenous Wayuu people (among the country’s poorest population) and it is also characterized with low precipitation, 500 mm/yr, high evapotranspiration, 1500 mm/yr, and low humidity. All this creates …


Long-Term Rice-Based Cropping System Effects On Near-Surface Soil Compaction, J. M. Motschenbacher, K. R. Brye, M. M. Anders Jan 2011

Long-Term Rice-Based Cropping System Effects On Near-Surface Soil Compaction, J. M. Motschenbacher, K. R. Brye, M. M. Anders

School of Natural Resources: Faculty Publications

No abstract provided.


Discovering Native Bees, Alison P. Stevens Jan 2011

Discovering Native Bees, Alison P. Stevens

School of Natural Resources: Faculty Publications

No abstract provided.


Chapter 18- Chick Survival Of Greater Prairie-Chickens, Adam C. Schole, Ty W. Matthews, Larkin A. Powell, Jeffrey J. Lusk, J. Scott Taylor Jan 2011

Chapter 18- Chick Survival Of Greater Prairie-Chickens, Adam C. Schole, Ty W. Matthews, Larkin A. Powell, Jeffrey J. Lusk, J. Scott Taylor

School of Natural Resources: Faculty Publications

Chick survival during the first three weeks of life is a critical stage in the demography of Greater Prairie-Chickens (Tympanuchus cupido), but little information is available. Biologists often estimate brood success using periodic flushes of radio-marked females, but it is impossible to determine mortality factors if chicks are not radio-marked. We used sutures to attach 0.5-g transmitters to 1- to 2-day-old chicks in Johnson County, Nebraska, during 2008. Our objectives were to (1) assess causes of mortality of 0- to 21-day-old chicks, (2) estimate daily survival probability for 0- to 21-day-old chicks, and (3) evaluate the effect of applying …


Intense Natural Selection On Morphology Of Cliff Swallows (Petrochelidon Pyrrhonota) A Decade Later: Did The Population Move Between Adaptive Peaks? Sélection Naturelle Intensive Sur La Morphologie De Petrochelidon Pyrrhonota Une Décennie Plus Tard: La Population S’Est-Elle Déplacée Entre Deux Pics Adaptatifs?, Mary Bomberger Brown, Charles R. Brown Jan 2011

Intense Natural Selection On Morphology Of Cliff Swallows (Petrochelidon Pyrrhonota) A Decade Later: Did The Population Move Between Adaptive Peaks? Sélection Naturelle Intensive Sur La Morphologie De Petrochelidon Pyrrhonota Une Décennie Plus Tard: La Population S’Est-Elle Déplacée Entre Deux Pics Adaptatifs?, Mary Bomberger Brown, Charles R. Brown

School of Natural Resources: Faculty Publications

Unusual climatic events often lead to intense natural selection on organisms. Whether episodic selection events result in permanent microevolutionary changes or are reversed by opposing selection pressures at a later time is rarely known, because most studies do not last long enough to witness rare events and document their aftermath. In 1996, unusually cold and wet weather in southwestern Nebraska led to the deaths of thousands of Cliff Swallows (Petrochelidon pyrrhonota) over a 6-day period. Survivors were skeletally larger, with shorter wings and tails, and had less asymmetry in wing length than those that died. We determined trajectories of morphological …


Ua12/13 2011 Sustainability Report [Western Kentucky University], Wku Office Of Sustainability, Christian Ryan-Downing Jan 2011

Ua12/13 2011 Sustainability Report [Western Kentucky University], Wku Office Of Sustainability, Christian Ryan-Downing

Sustainability Publications and Resources

AASHE is an association of colleges and universities that are working to create a sustainable future. AASHE’s mission is to empower higher education to lead the sustainability transformation. The organization provides resources, professional development and a network of support to enable institutions of higher education to model and advance sustainability in everything they do, from governance and operations to education and research. For more information about AASHE, visit www.aashe.org.

In early 2010, Western Kentucky University became a charter member of the Association for the Advancement of Sustainability in Higher Education’s Sustainability Tracking, Assessment and Rating System (STARS). STARS® is a …


Implications Of Community Concordance For Assessing Stream Integrity At Three Nested Spatial Scales In Minnesota, U.S.A., Christine L. Dolph, David D. Huff, Christopher J. Chizinski, Bruce Vondracek Jan 2011

Implications Of Community Concordance For Assessing Stream Integrity At Three Nested Spatial Scales In Minnesota, U.S.A., Christine L. Dolph, David D. Huff, Christopher J. Chizinski, Bruce Vondracek

Nebraska Cooperative Fish and Wildlife Research Unit: Staff Publications

1. Fish and invertebrate assemblage data collected from 670 stream sites in Minnesota (U.S.A.) were used to calculate concordance across three nested spatial scales (statewide, ecoregion and catchment). Predictive taxa richness models, calibrated using the same data, were used to evaluate whether concordant communities exhibited similar trends in human-induced taxa loss across all three scales. Finally, we evaluated the strength of the relationship between selected environmental variables and the composition of both assemblages at all three spatial scales.

2. Significant concordance between fish and invertebrate communities occurred at the statewide scale as well as in six of seven ecoregions and …


A Review Of Ethical Concepts And Moral Reasoning Integration Into Climate Change Curriculum, J. M. Dauer, C. Lettero, M. Ocana Jan 2011

A Review Of Ethical Concepts And Moral Reasoning Integration Into Climate Change Curriculum, J. M. Dauer, C. Lettero, M. Ocana

School of Natural Resources: Faculty Publications

No abstract provided.


On The Brink Of Change: Plant Responses To Climate On The Colorado Plateau, Seth M. Munson, Jayne Belnap, M. Schelz, Mary Moran, T. W. Caolin Jan 2011

On The Brink Of Change: Plant Responses To Climate On The Colorado Plateau, Seth M. Munson, Jayne Belnap, M. Schelz, Mary Moran, T. W. Caolin

Canyonlands Research Bibliography

The intensification of aridity due to anthropogenic climate change in the southwestern U.S. is likely to have a large impact on the growth and survival of plant species that may already be vulnerable to water stress. To make accurate predictions of plant responses to climate change, it is essential to determine the long-term dynamics of plant species associated with past climate conditions. Here we show how the plant species and functional types across a wide range of environmental conditions in Colorado Plateau national parks have changed with climate variability over the last twenty years. During this time, regional mean annual …


Regional And Climatic Controls On Seasonal Dust Deposition In The Southwestern Us, Marith Reheis, Frank Urban Jan 2011

Regional And Climatic Controls On Seasonal Dust Deposition In The Southwestern Us, Marith Reheis, Frank Urban

Canyonlands Research Bibliography

Vertical dust deposition rates (dust flux) are a complex response to the interaction of seasonal precipitation, wind, changes in plant cover and land use, dust source type, and local vs. distant dust emission in the southwestern U.S. Seasonal dust flux in the Mojave-southern Great Basin (MSGB) deserts, measured from 1999 to 2008, is similar in summer-fall and winter-spring, and antecedent precipitation tends to suppress dust flux in winter-spring. In contrast, dust flux in the eastern Colorado Plateau (ECP) region is much larger in summer-fall than in winter-spring, and twice as large as in the MSGB. ECP dust is related to …


2011 Nebraska Water Monitoring Programs Report, Marty Link Jan 2011

2011 Nebraska Water Monitoring Programs Report, Marty Link

Nebraska Department of Environmental Quality: Reports

The Nebraska Department of Environmental Quality (NDEQ) is charged with monitoring, assessing, and to the extent possible, managing the state’s water resources. The purpose of this work is to protect and maintain good quality water and encourage or execute activities to improve poor water quality. Monitoring is done on the over 18,000 miles of flowing rivers and streams, our greater than 280,000 acres of surface water in lakes and reservoirs, and the vast storage of groundwater in Nebraska’s aquifers.


Will Climate Change Alter Wildfire Behavior And Effects In Seasonally-Dry Wetlands?, Leda Kobziar Dr., Adam Watta Dr., J. Michael Camp Mr., Marissa Streiffel Ms., Alex Kattan Mr. Jan 2011

Will Climate Change Alter Wildfire Behavior And Effects In Seasonally-Dry Wetlands?, Leda Kobziar Dr., Adam Watta Dr., J. Michael Camp Mr., Marissa Streiffel Ms., Alex Kattan Mr.

Joint Fire Science Program Research Project Reports

The effects of edge on ecosystems is well documented on animal and plant species, as well as a number of ecosystem attributes. A substantial determinant of ecological edge effects is the effect of edge on microclimate parameters such as temperature and humidity. These effects have been described in detail in upland communities, but not in wetland forests. Of particular interest is whether hydrologic influence trumps edge effect; in other words, does the influence of inundation create a hydrologic “switch” that overwhelms edge effect? In a landscape with numerous wetland forest patches subject to seasonal hydrologic fluctuations, I measured microclimate in …


Vegetation Impacts Of Recurring Fires On Sagebrush Ecosystems In Washington: Implications For Conservation And Rehabilitation, J. D. Bakker, P. W. Dunwiddie, S. A. Hall, J. R. Evans, G, M. Davies, E. Detterweiler-Robinson Jan 2011

Vegetation Impacts Of Recurring Fires On Sagebrush Ecosystems In Washington: Implications For Conservation And Rehabilitation, J. D. Bakker, P. W. Dunwiddie, S. A. Hall, J. R. Evans, G, M. Davies, E. Detterweiler-Robinson

Joint Fire Science Program Research Project Reports

Thousands of hectares of high quality sagebrush shrub-steppe burned in south-central Washington in 2000 and 2007, particularly on the Arid Lands Ecology Reserve (ALE) on the Hanford Reach National Monument. Extensive rehabilitation efforts took place on ALE to control invasive species and establish native species following each of these fires. Permanent vegetation monitoring plots were established throughout this area in the mid-1990s, remonitored in 2001-2004, and monitored again in 2009-2010. This combination of rehabilitation treatments and monitoring provided a unique opportunity to better understand the individual and cumulative effects of recurring fires and restoration in this landscape. We investigated changes …


The Influence Of Prescribed Fire And Understory Fuels Mastication On Soil Carbon Respiration Rates In Flatwoods Forests, Leda Kobziar, David Godwin, Michael Camp, Dawn Mckinstry, Marissa Steifel, Alex Kattan, Daniel Godwin Jan 2011

The Influence Of Prescribed Fire And Understory Fuels Mastication On Soil Carbon Respiration Rates In Flatwoods Forests, Leda Kobziar, David Godwin, Michael Camp, Dawn Mckinstry, Marissa Steifel, Alex Kattan, Daniel Godwin

Joint Fire Science Program Research Project Reports

Soil CO2 efflux (Rs) is a significant flux of carbon dioxide from ecosystem soils to the atmosphere and is a critical component of the total ecosystem carbon budget. Rs fluxes are comprised of autotrophic (Ra) sources of CO2 produced by plant roots and associated rhizosphere fungi and heterotrophic (Rh) sources of CO2 produced by aerobic soil microbes. A variety of forest management activities, including prescribed fire and mechanical fuels mastication treatments have been shown to significantly influence Rs rates in forests of the Western United States (US), yet these relationships are not well known for southeastern US forests. Prescribed fire …


Comprehensive Fuels Treatment Pratices Guide For Mixed Conifer Forests: California, Central And Southern Rockies, And The Southwest, Alexander M. Evans, Rick G. Everett, Scott L. Stephens, James A. Youtz Jan 2011

Comprehensive Fuels Treatment Pratices Guide For Mixed Conifer Forests: California, Central And Southern Rockies, And The Southwest, Alexander M. Evans, Rick G. Everett, Scott L. Stephens, James A. Youtz

Joint Fire Science Program Research Project Reports

The goal of this guide is to provide a resource for managers of mixed conifer forests of the Southwestern plateaus and uplands, the Central and Southern Rocky Mountains, the Sierra Nevada, and the Transverse and Peninsular Ranges in Southern California. Mixed conifer forests have different species, structures, and spatial patterns in these regions but, in general, we focus on forests with a mix of ponderosa or Jeffrey pine, Douglas-fir, true firs, and aspen. The guide includes a comprehensive review of historic conditions, past land use, natural fire regimes, impacts of altered fire regimes, and future prospects, given climate change, for …


A Regional Experiment To Evaluate Effects Of Fire And Fire Surrogate Treatments In The Sagebrush Biome, James Mclver, Dave Pyke, Hugh Barrett, Mark Brunson, Steve Bunting, Jeanne C. Chambers, Carla D'Antonio, Paul Doescher, Dale Johnson, Sherm Karl, Steve Knick, Rick Miller, Mike Pellant, Fred Pierson, Kim Rollins, Bruce Roundy, Gene Schupp, Robin Tausch, David Turner, Mike Wisdom Jan 2011

A Regional Experiment To Evaluate Effects Of Fire And Fire Surrogate Treatments In The Sagebrush Biome, James Mclver, Dave Pyke, Hugh Barrett, Mark Brunson, Steve Bunting, Jeanne C. Chambers, Carla D'Antonio, Paul Doescher, Dale Johnson, Sherm Karl, Steve Knick, Rick Miller, Mike Pellant, Fred Pierson, Kim Rollins, Bruce Roundy, Gene Schupp, Robin Tausch, David Turner, Mike Wisdom

Joint Fire Science Program Research Project Reports

SageSTEP is a comprehensive regional experiment that provides critical information to managers faced with a sagebrush steppe ecosystem that is increasingly at risk from wildfire, invasive plants, and climate change. The experiment provides managers with information that can be used to restore ecological communities across the 100+ million acres of the sagebrush biome. It is designed to match the temporal and spatial scales at which managers operate, is intended to reduce management risk and uncertainty of catastrophic wildfire to the greatest degree possible, and provides managers with information that allows them to better understand tradeoffs inherent in the choice of …


Climate, Fire And Carbon: Tipping Points And Landscape Vulnerability In The Greater Yellowstone Ecosystem, Erica A.H. Smithwick, Anthony L. Westerling, Monica G. Turner, William H. Romme, Michael G. Ryan Jan 2011

Climate, Fire And Carbon: Tipping Points And Landscape Vulnerability In The Greater Yellowstone Ecosystem, Erica A.H. Smithwick, Anthony L. Westerling, Monica G. Turner, William H. Romme, Michael G. Ryan

Joint Fire Science Program Research Project Reports

More frequent fires under climate warming are likely to alter terrestrial carbon (C) stocks by reducing the amount of C stored in biomass and soil. However, the thresholds of fire frequency that could shift landscapes from C sinks to C sources under future climates and whether these are likely to be exceeded during the coming century are not known. We used the Greater Yellowstone Ecosystem (GYE) as a case study to explore the conditions under which future climate and fire regimes would result in tipping points of C source/sink dynamics. We asked: (1) How great a change in climate and …


Compiling, Synthesizing And Analyzing Existing Boreal Forest Fire History Data In Alaska, Diana L. Olson, James B. Cronan, Donald Mckenzie, Jennifer L. Barnes, Anne E. Camp, Mike Tjoelker, Jennifer Northway, Paige Eagle Jan 2011

Compiling, Synthesizing And Analyzing Existing Boreal Forest Fire History Data In Alaska, Diana L. Olson, James B. Cronan, Donald Mckenzie, Jennifer L. Barnes, Anne E. Camp, Mike Tjoelker, Jennifer Northway, Paige Eagle

Joint Fire Science Program Research Project Reports

Wildland fires play a critical role in maintaining the ecological integrity of boreal forests in Alaska. Identifying and maintaining natural fire regimes is an important component of fire management. There are numerous research projects that directly or indirectly address historical fire regimes in the Alaskan boreal forest, but many are unpublished, have many unprocessed dendrochronological (tree age and fire scar) samples, or their data were used for other purposes. Furthermore, no assessment of these data exists to understand how fire has historically affected the boreal forest ecosystems of Alaska. The goal of this project was to compile and synthesize existing …


Development Of A California Fire Science Delivery Consortium, Scott Stephens Dr. Jan 2011

Development Of A California Fire Science Delivery Consortium, Scott Stephens Dr.

Joint Fire Science Program Research Project Reports

I have submitted several final reports to the Joint Fire Sciences Program over the years but this one is different. This project was funded to write the full proposals for the California Fire Sciences Consortium. We used the funds from this grant to create the team for the consortium and wrote the proposal that was funded by the JFS. In that regard we accomplished all that we had proposed for this project. This report will be relatively brief because the project objective was to write a full proposal for consideration of the JFS Board.


Doubling Knowledge On Fire And Eastern Invasive Plants In The Fire Effects Information System (Feis), Jane Kapler Smith, Kristin Zouhar, Janet L. Fryer Jan 2011

Doubling Knowledge On Fire And Eastern Invasive Plants In The Fire Effects Information System (Feis), Jane Kapler Smith, Kristin Zouhar, Janet L. Fryer

Joint Fire Science Program Research Project Reports

Managers have been coming to the Fire Effects Information System (FEIS) for reviews of scientific knowledge about fire effects since 1986. Prior to this project, FEIS provided relatively little coverage of invasive plant species in the eastern United States: In 2008, the system contained 52 species reviews of eastern invasive plants covering 69 taxa. The system now contains 105 reviews of eastern invasive plants covering 139 taxa. Thus the project has doubled the information in FEIS on eastern invasive plants. In fact, the information has more than doubled, since the numbers above do not include updates of 5 reviews, addition …


Effects Of Blowdown, Salvage Logging, And Wildfire On Regeneration And Fuel Characteristics In Minnesota’S Forests, Shawn Fraver, Brian Palik, John B. Bradford, Doug Shinneman, Anthony D'Amato Jan 2011

Effects Of Blowdown, Salvage Logging, And Wildfire On Regeneration And Fuel Characteristics In Minnesota’S Forests, Shawn Fraver, Brian Palik, John B. Bradford, Doug Shinneman, Anthony D'Amato

Joint Fire Science Program Research Project Reports

The patchiness resulting from a sequence of recent disturbances – blowdown, salvage logging, and wildfire – provided an excellent opportunity to assess the impacts of these disturbances, singly and in combination, on (1) wildfire severity (2) post-disturbance vegetation responses, (3) ecosystem carbon stocks, and (4) soil mercury (Hg) accumulation or loss in jack pine (P. banksiana) forests of northern Minnesota. Considering issue 1, our results suggest that salvage logging reduced the intensity (heat released) of the subsequent fire. However, its effect on severity (impact to the system) differed between the tree crowns and forest floor. Considering issue 2, our results …


Evaluating Post-Fire Salvage Logging Effects On Erosion, Peter R. Robichaud, William J. Elliot, Lee Macdonald, Robert Coats, Joseph W. Wagenbrenner, Sarah A. Lewis, Louise E. Ashmun, Robert E. Brown Jan 2011

Evaluating Post-Fire Salvage Logging Effects On Erosion, Peter R. Robichaud, William J. Elliot, Lee Macdonald, Robert Coats, Joseph W. Wagenbrenner, Sarah A. Lewis, Louise E. Ashmun, Robert E. Brown

Joint Fire Science Program Research Project Reports

Legal challenges have delayed numerous post-fire salvage logging operations, which often results in lost economic value of the burned timber and unrecovered legal expenses. The scientific literature has shed little light on the additive effect of salvage logging operations on post-fire runoff, erosion, flooding, and sedimentation. Hence, there is an urgent need to better understand the impacts of post-fire salvage operations so that land managers can evaluate the relative and cumulative effects of different salvage logging practices. Intensive, multi-scale studies are needed because the effects of post-fire logging are superimposed on the effect of wildfires; rates and processes change according …