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Articles 991 - 1020 of 1233

Full-Text Articles in Other Forestry and Forest Sciences

Restoring Mixed Conifer Ecosystems To Pre-Fire Suppression Conditions In Crater Lake National Park, Rachel Clark Jan 2007

Restoring Mixed Conifer Ecosystems To Pre-Fire Suppression Conditions In Crater Lake National Park, Rachel Clark

Joint Fire Science Program Briefs (2007-2012)

Mixed-conifer forests dominated by ponderosa pine trees prevail across the Western United States. Once sustained by frequent, low-intensity fires, these ecosystems have changed dramatically as a result of a hundred years of fire suppression resulting in an accumulation of fuels and shade tolerant species. Researchers are finding that reintroducing fire to these systems may be more complicated than once thought. The forests at Crater Lake National Park are a kind of microcosm for the wide-ranging mixed conifer forests across the West. Early efforts to restore fire at Crater Lake showed that older ponderosa pines were at risk of mortality via …


A Toolkit For Assessing Fire Hazards, Elise Lequire Jan 2007

A Toolkit For Assessing Fire Hazards, Elise Lequire

Joint Fire Science Program Briefs (2007-2012)

Whether the goal is to improve wildlife habitat, gauge the effects of prescribed burns or wildfire, or assess the unaccustomed conditions and hidden dangers of fallen trees in the aftermath of hurricanes, a suite of tools developed by the Fire and Environmental Research Applications (FERA) Team at the Pacific Northwest Research Station, Pacific Wildland Fire Sciences Laboratory, allows resource managers to estimate fuel loads, fire hazards, and smoke emissions characteristics in a wide range of forest and grassland ecosystems. The Natural Fuels Photo Series, developed by FERA’s Roger Ottmar, is a field guide for resource managers who need a quick …


An Eye-Opening Approach To Developing And Communicating Integrated Environmental Assessments, Todd R. Lookingbill, William C. Dennison, Tim J.B. Carruthers, Jane M. Hawkey, Shawn L. Carter Jan 2007

An Eye-Opening Approach To Developing And Communicating Integrated Environmental Assessments, Todd R. Lookingbill, William C. Dennison, Tim J.B. Carruthers, Jane M. Hawkey, Shawn L. Carter

Geography and the Environment Faculty Publications

Communication among managers, the public, and scientists is the key to successful ecosystem management; however, the varied perspectives and interests of these groups can make such communication difficult. One way to achieve effective communication is to develop a common knowledge base by combining syntheses of key scientific results with information-rich visual elements. Within a management landscape, integrated environmental assessments provide a useful framework for evaluating resources and directing management efforts. The integrated assessment process involves (1) initial investigation, (2) development of a conceptual framework, (3) data navigation, (4) environmental report cards, and (5) science communication. Each step requires the synthesis …


The Science Of Targeting Within Landscapes And Watersheds To Improve Consevation Effectiveness, Todd Walter, Mike Dosskey, Madhu Khanna, Jim Miller, Mark Tomer, John Wiens Jan 2007

The Science Of Targeting Within Landscapes And Watersheds To Improve Consevation Effectiveness, Todd Walter, Mike Dosskey, Madhu Khanna, Jim Miller, Mark Tomer, John Wiens

United States Department of Agriculture, Forest Service / University of Nebraska-Lincoln: Faculty Publications

Our ernphasis in this chapter has been an the science that underlies efforts to target conservation efforts to enhance the effeciiveness (and cost-effectiveness) of management, mitigation and restoration.


Response Of The Herbaceous Layer Of Forest Ecosystems To Excess Nitrogen Deposition, Frank S. Gilliam Nov 2006

Response Of The Herbaceous Layer Of Forest Ecosystems To Excess Nitrogen Deposition, Frank S. Gilliam

Biological Sciences Faculty Research

  • 1 This review brings into focus what is known about the response of the herbaceous layer of forest ecosystems to increasing nitrogen deposition. The emphasis on forests in general is important for two reasons. First, forests often occupy areas receiving high rates of atmospheric deposition of N. Second, compared with herb-dominated communities, about which much is known regarding response to excess N, forests generally display greater biological and structural complexity. The more specific focus on the herbaceous layer – here defined as all vascular (herbaceous and woody) plants ≤ 1 m in height – is warranted because most of the …


Blanding’S Turtle (Emydoidea Blandingii): A Technical Conservation Assessment, Justin D. Congdon, Douglas A. Keinath Jul 2006

Blanding’S Turtle (Emydoidea Blandingii): A Technical Conservation Assessment, Justin D. Congdon, Douglas A. Keinath

United States Department of Agriculture, Forest Service / University of Nebraska-Lincoln: Faculty Publications

Blanding’s turtles (Emydoidea blandingii) are secure in Nebraska, and they range from being vulnerable to threatened, or endangered throughout most of the rest of their distribution. In Region 2, they have not been reported from Kansas, they are extremely rare in South Dakota, and they occupy wetlands in the northern half of Nebraska. The largest population known within the range of Blanding’s turtles is at Valentine National Wildlife Refuge, Nebraska.

The core habitat of Blanding’s turtles has an aquatic component that consists of a permanent wetland and a suite of other, usually smaller and more temporary, wetlands such …


System For And Method Of Performing Evaluation Techniques On A Log Or Round Timber, Xiping Wang, Robert J. Ross, James A. Mattson, John Erickson, John W. Forsman, Earl A. Geske, Michael A. Wehr May 2006

System For And Method Of Performing Evaluation Techniques On A Log Or Round Timber, Xiping Wang, Robert J. Ross, James A. Mattson, John Erickson, John W. Forsman, Earl A. Geske, Michael A. Wehr

Michigan Tech Patents

A system for and method of evaluating a log. The system includes an analysis module having at least one input terminal connectable to the at least one input device. The at least one input terminal is operable to receive at least one signal representing at least one measured property of the log and at least one determined parameter of the log determined in response to an energy being applied to the log. The analysis module further includes a processor coupled to the at least one input terminal. The processor determines a predictive modulus of elasticity (MOE) of the log based …


A Comparison Of Presettlement Vegetation And Fire Regimes With Current Patterns In Oak Woodlands And Shrublands Of Sw Oregon, Patricia S. Muir Dr., Paul Hosten Dr. Jan 2006

A Comparison Of Presettlement Vegetation And Fire Regimes With Current Patterns In Oak Woodlands And Shrublands Of Sw Oregon, Patricia S. Muir Dr., Paul Hosten Dr.

Joint Fire Science Program Research Project Reports

Fuel reduction efforts on BLM lands in southwestern Oregon are motivated by the need to reduce fire hazard and restore and rehabilitate ecosystems. Successful ecosystem restoration depends, in part, on understanding the target: what ecosystem model is considered natural and healthy for a given area? Oak (Quercus garryana) woodlands and shrublands are two of the most characteristic ecosystems in interior valleys of southwest Oregon, and extensive acreages within these systems are treated annually for fuel reduction. However, these are also two of the least understood ecosystems in the region. We know little about their presettlement attributes, responses to disturbance, or …


An Internet Based Portal For Fire Science And Management In The Southern Region Jan 2006

An Internet Based Portal For Fire Science And Management In The Southern Region

Joint Fire Science Program Research Project Reports

Task 1 – Organize a technical advisory team and host an initial workshop to explore methods for integrating FRAMES, TTRS, and ESFS websites.

Task 2 – Identify and acquire data, tools, and publications from funded JFSP and NFP projects working with the JFSP and NFP project databases and principal investigators. Also, when possible identify and acquire data and tools used and created by others in the wildland fire community including state agencies, educational institutions, and non-governmental organizations.

Task 3 – Develop and post online FGDC metadata records for all datasets from funded JFSP and NFP projects as well as key …


3rd Lone Star Regional Native Plant Conference, David Creech, Lijing Zhou, Dawn Stover, James Kroll, Greg Grant, Heinz Gaylord Jan 2006

3rd Lone Star Regional Native Plant Conference, David Creech, Lijing Zhou, Dawn Stover, James Kroll, Greg Grant, Heinz Gaylord

Lone Star Regional Native Plant Conference

No abstract provided.


Developing And Extending Sustainable Agriculture: A New Social Contract, Michele Schoeneberger, Gary Bentrup, Charles A. Francis, Richard Straight Jan 2006

Developing And Extending Sustainable Agriculture: A New Social Contract, Michele Schoeneberger, Gary Bentrup, Charles A. Francis, Richard Straight

United States Department of Agriculture, Forest Service / University of Nebraska-Lincoln: Faculty Publications

Conclusions

Based on the practical community applications of woody buffe rs and multifuncti onal areas that grew from the ini tial concepts ofecobelts. we are convinced that this type of initiative is a viable option in establishing a positive interface between different types of human activities. The challenge becomes more real every day, as cities expand and both city-edge subdivisions and acreages create ever more interfaces between people with different and often con!1icting activities and basic values. There is a need to provide some logical and acceptable boundary between these people and their different lifestyles. It is also desirable to …


Significant Accomplishments And Milestones: 2002-2005, Arthur Temple College Of Forestry And Agriculture Oct 2005

Significant Accomplishments And Milestones: 2002-2005, Arthur Temple College Of Forestry And Agriculture

eBooks

No abstract provided.


Street Trees In The Urban Forest Canopy: Portland, Oregon, Joseph Poracsky, David Banis Aug 2005

Street Trees In The Urban Forest Canopy: Portland, Oregon, Joseph Poracsky, David Banis

Geography Faculty Publications and Presentations

Attempts to identify the contribution of street trees to the overall urban forest of a city have been rare and lack consensus on how to measure that contribution – percentage of trees, percentage of canopy cover, or percentage of leaf area. The actual numeric values presented in the literature also vary over a broad range and often are based on estimates, extrapolations from aggregated data, or simply stated with no empirical data referenced. This study was undertaken to evaluate the contribution of street trees to canopy in Portland, Oregon. The study involved both visual and digital analysis of multi-band aerial …


Wildland Fire In Ecosystems Effects Of Fire On Soil And Water, Jan L. Beyers, James K. Brown, Matt D. Busse, Leonard F. Debano, William J. Elliot, Peter F. Folliott, Gerarld R. Jacoby, Jennifer D. Knoepp, Johanna D. Landsberg, Daniel G. Neary, James R. Reardon, John N. Rime, Peter R. Roichaud, Kevin C. Ryan, Arthur R. Tiedemann, Malcolm J. Zwolinski Jan 2005

Wildland Fire In Ecosystems Effects Of Fire On Soil And Water, Jan L. Beyers, James K. Brown, Matt D. Busse, Leonard F. Debano, William J. Elliot, Peter F. Folliott, Gerarld R. Jacoby, Jennifer D. Knoepp, Johanna D. Landsberg, Daniel G. Neary, James R. Reardon, John N. Rime, Peter R. Roichaud, Kevin C. Ryan, Arthur R. Tiedemann, Malcolm J. Zwolinski

Joint Fire Science Program Synthesis Reports

This state-of-knowledge review about the effects of fire on soils and water can assist land and fire managers with information on the physical, chemical, and biological effects of fire needed to successfully conduct ecosystem management, and effectively inform others about the role and impacts of wildland fire. Chapter topics include the soil resource, soil physical properties and fire, soil chemistry effects, soil biology responses, the hydrologic cycle and water resources, water quality, aquatic biology, fire effects on wetland and riparian systems, fire effects models, and watershed rehabilitation.


Visualizing Food And Farm, 2005 Joint Meetings Of The Agriculture, Food, And Human Values Society (Afhvs) And Association For The Study Of Food And Society (Asfs): Program And Abstracts, Jane Adams, Lorna Michael Butler, Richard P. Haynes, Laura B. Delind Jan 2005

Visualizing Food And Farm, 2005 Joint Meetings Of The Agriculture, Food, And Human Values Society (Afhvs) And Association For The Study Of Food And Society (Asfs): Program And Abstracts, Jane Adams, Lorna Michael Butler, Richard P. Haynes, Laura B. Delind

United States Department of Agriculture, Forest Service / University of Nebraska-Lincoln: Faculty Publications

Visualizing Food and Farm

2005 Joint Meetings of the Agriculture, Food, and Human Values Society (AFHVS) and Association for the Study of Food and Society (ASFS)

Program and Abstracts

June 9-12, 2005, Portland, Oregon, United States


Wood Furniture Components: Implementation Of Flow-Line Technology Based On Lean Manufacturing Concepts, W. D. Motsenbocker, P. H. Steele, S. L. Hunter, Steven H. Bullard, A. Schuler Jan 2005

Wood Furniture Components: Implementation Of Flow-Line Technology Based On Lean Manufacturing Concepts, W. D. Motsenbocker, P. H. Steele, S. L. Hunter, Steven H. Bullard, A. Schuler

Faculty Publications

This case study is #3 in a series of studies that relate specifically to the development and application of lean manufacturing techniques for the furniture and wood component supplying industries. Case study #3 is an example of how productivity can be increased in a furniture manufacturing organization by using flow-line technology.

This case study provides information about lean manufacturing and how a lean manufacturing system can be implemented, followed by a detailed case study of a wood component manufacturing company’s adoption of a new flow-line technology based on lean manufacturing concepts.


Characterizing Moisture Regimes For Assessing Fuel Availability In North Carolina Vegetation Communities, Roberta A. Bartlette, James Reardon, Gary M. Curcio Jan 2005

Characterizing Moisture Regimes For Assessing Fuel Availability In North Carolina Vegetation Communities, Roberta A. Bartlette, James Reardon, Gary M. Curcio

Joint Fire Science Program Research Project Reports

In the southeastern United States prescription burning, fire danger rating and wildfire suppression strategies are constrained by limited knowledge of the influence of moisture content in live vegetation, organic soils, water table and weather. The interactive influence of these factors on fire behavior is not well studied. The 3+ year long study reported here was conducted to gain direct empirical understanding of seasonal fuel and soil moisture dynamics in shrub-dominated pocosin communities, in coastal Virginia and North Carolina, mixed hardwoods communities containing significant laurel and rhododendron understory fuels in western North Carolina and eastern Tennessee, and longleaf pine communities in …


Fuel Reduction And Restoration Of Pine/Hardwood Ecosystems Severely Impacted By The Recent Southern Pine Beetle (Dendroctonus Frontalis) Epidemic In The Southern Appalachians, James M. Vose, Katherine J. Elliott Jan 2005

Fuel Reduction And Restoration Of Pine/Hardwood Ecosystems Severely Impacted By The Recent Southern Pine Beetle (Dendroctonus Frontalis) Epidemic In The Southern Appalachians, James M. Vose, Katherine J. Elliott

Joint Fire Science Program Research Project Reports

As a result of this most recent SPB epidemic (1999-2003), thousands of hectares of dead pine trees have created wildfire-hazard conditions in the southern Appalachians. One of the challenges for land managers is how to return fire to these ecosystems after (1) nearly a decade of exclusion, and (2) the more recent SPB mortality enhanced fuel loads. Higher fuel loads have the potential to increase fire intensity and severity. At the extremes, fires of high intensity and severity can have a large effect on ecosystem structure and function. The objectives of our research were: (1) to quantify fuel load reduction …


Project Report No. 66, Metric Volume And Biomass Prediction Equations For Loblolly And Slash Pine Trees Planted In Unmanaged Pine Plantations In East Texas, Dean W. Coble, Young-Jin Lee, J. David Lenhart Nov 2004

Project Report No. 66, Metric Volume And Biomass Prediction Equations For Loblolly And Slash Pine Trees Planted In Unmanaged Pine Plantations In East Texas, Dean W. Coble, Young-Jin Lee, J. David Lenhart

Informal Project Reports

Metric equations are presented to predict the volume of wood and/or biomass contained in individual loblolly (Pinus taeda, L.) and slash (Pinus elliottii, Englem.) pine trees growing in unmanaged pine plantations in east Texas. Taper equations are also presented for both species that describe tree form in metric units.


Project Report No. 65, Stumpage Price Trends Of Sawtimber And Pulpwood In East Texas And Louisiana, Dean W. Coble, Shiaolin Cheng Nov 2004

Project Report No. 65, Stumpage Price Trends Of Sawtimber And Pulpwood In East Texas And Louisiana, Dean W. Coble, Shiaolin Cheng

Informal Project Reports

A fifteen-year stumpage price update and analysis for pine and hardwood in East Texas are reported. Thepricesofsawtimberandpulpwoodare presented for both pine and hardwood plantations by using 1988 to 2003 stumpage prices from the Texas Forest Service and Louisiana Department of Agriculture. Timber prices increased steadily from 1988 to the late 1990's, peaked, then declined into 2003 for both Louisiana and Texas. Louisiana prices, though, have remained higher than those for Texas.


Project Report No. 64, Observed Growth And Yield Of Loblolly And Slash Pine Plantations In East Texas, Dean W. Coble, Shiaolin Cheng Apr 2004

Project Report No. 64, Observed Growth And Yield Of Loblolly And Slash Pine Plantations In East Texas, Dean W. Coble, Shiaolin Cheng

Informal Project Reports

The amount of forestland in east Texas has been estimated at 11.8 million acres, with approximately 2.5 million acres classified as pine plantations. The majority ofthese plantations are owned by forest industry (71 percent), while non-industrial private forest landowners represent the next largest shareholder (23 percent). Pine plantations are typically managed to produce timber, so information is needed to make informed management decisions. Growth is one piece of information that managers often rely upon in their decision-making process.


Fusiform Rust Trends In East Texas: 1969 To 2002, Dean W. Coble, Young-Jin Lee Jan 2004

Fusiform Rust Trends In East Texas: 1969 To 2002, Dean W. Coble, Young-Jin Lee

Data

Fusiform rust ( Cronartium quercuum [Berk.] Miyabe ex Shirai f. sp. fusiforme) infection rates in East Texas increased to nearly 50 percent in slash pine (Pinus elliottii Engelm.) and about 15 percent in loblolly pine ( Pinus taeda L.) plantations during the 18-year period from 1969 to 1987. New data from the East Texas Pine Plantation Research Project showed that fusiform rust infection rates in slash pine stabilized around 20 - 30 percent after 1987, then decreased to about 15 percent by 2002. For loblolly pine, the rates stabilized around 10 percent after 1987, then decreased to around 5 percent …


The Double-D Cell For Assembling Hardware In Upholstered Furniture Production, S. L. Hunter, Steven H. Bullard, P. H. Steele, W. D. Motsenbocker Jan 2004

The Double-D Cell For Assembling Hardware In Upholstered Furniture Production, S. L. Hunter, Steven H. Bullard, P. H. Steele, W. D. Motsenbocker

Faculty Publications

This is the first case study in a series of studies that relate specifically to the development and application of lean manufacturing techniques of furniture and wood component supplying industries. Case study one is an example of how a subassembly process in an upholstered furniture facility was re-configured from a traditional flow line to a “Double-D” manufacturing cell. This case study provides general information about lean manufacturing and how a lean manufacturing system can be implemented, followed by a detailed description of Franklin Corporation’s adoption of a new type of manufacturing cell—the “Double-D”. A discussion of the original state of …


Parallel Pull Flow: A New Lean Production Design, S. L. Hunter, Steven H. Bullard, P. H. Steele, W. D. Motsenbocker Jan 2004

Parallel Pull Flow: A New Lean Production Design, S. L. Hunter, Steven H. Bullard, P. H. Steele, W. D. Motsenbocker

Faculty Publications

This case study is #2 in a series of studies that relate specifically to the development and application of lean manufacturing techniques for the furniture and wood component supplying industries. Case study #2 is an example of how productivity can be increased in a furniture manufacturing organization by using a new lean production design termed Parallel Pull Flow (PPF). This case study provides information about lean manufacturing and how a lean manufacturing system can be implemented, followed by a detailed case study of a furniture manufacturing company’s adoption of a new final assembly PPF lean production system.


Fire In Southern Appalachians: Fuels, Stand Structure And Oaks, David L. Loftis, Mary A. Arthur, Rex Mann, Jeffrey Lewis Jan 2004

Fire In Southern Appalachians: Fuels, Stand Structure And Oaks, David L. Loftis, Mary A. Arthur, Rex Mann, Jeffrey Lewis

Joint Fire Science Program Research Project Reports

Managers responsible for maintaining the diversity and productivity of Southern Appalachian forests are increasingly turning to prescribed fire as an important management tool in oak dominated forests. The decision to use fire with increasing frequency and spatial extent is based, in part, on an emerging sense of the prehistoric significance of fire in this landscape and its potential to control the proliferation of fire-sensitive competitors in contemporary forests. While it is well documented that fire has been an important ecological force in Southern Appalachian forests for a very long time, there has been little research to demonstrate that prescribed fire …


Eco-Connections, Margaret Costello Jan 2004

Eco-Connections, Margaret Costello

Syracuse University Magazine

No abstract provided.


Greening Connecticut Cities And Towns, Managing Public Trees And Community Forests, Glenn D. Dreyer, Robert M. Ricard Jan 2004

Greening Connecticut Cities And Towns, Managing Public Trees And Community Forests, Glenn D. Dreyer, Robert M. Ricard

Other Publications and Reports

No abstract provided.


Attitudes And Motivational Factors For Participation In The Becoming An Outdoors-Woman (Bow) Program, Katherine Crippens Dec 2003

Attitudes And Motivational Factors For Participation In The Becoming An Outdoors-Woman (Bow) Program, Katherine Crippens

Electronic Theses and Dissertations

Women participating in Becoming an Outdoors-Woman (BOW) program workshops were surveyed as to their attitudes, interests, and participation in outdoor recreation activities. The survey, administered to 265 women between October 2002 and June 2003, examined demographic characteristics, motivational factors for participation, similarities and differences between firsttime and returning participants, and their change in recreational behavior after the workshops. The study identified most BOW participants as urban, white, 45 - 50 years of age, highly educated and with a high household income. Most have maintained a long-term relationship, but have no children in the household. The participants had a wide range …


The Potential For Carbon Sequestration In Soils On Lignite Coal Minelands In East Texas, Cynthia Blake Dec 2003

The Potential For Carbon Sequestration In Soils On Lignite Coal Minelands In East Texas, Cynthia Blake

Electronic Theses and Dissertations

Global warming is becoming an ever-important topic in the world today. In 1998, it was estimated that 40.5 % of U.S. anthropogenic CO2 emissions was attributed to the combustion of fossil fuels during the generation of electricity (U.S. Department of Energy 2000a). In an attempt to mitigate emissions, electric utility companies have become interested in the potential of forests to sequester large amounts of carbon in their above- and below-ground biomass as well as in the soils. It has been estimated that if the world's deforested lands were reforested and properly managed, they could have the potential to sequester five …


Planning For Population Viability On Northern Great Plains National Grasslands, Fred B. Samson, Fritz L. Knopf, Clinton W. Mccarthy, Barry R. Noon, Wayne R. Ostile, Susan M. Rinehart, Scott Larson, Glenn E. Plumb, Gregory L. Schenbeck, Daniel N. Svingen, Timothy W. Byer Jan 2003

Planning For Population Viability On Northern Great Plains National Grasslands, Fred B. Samson, Fritz L. Knopf, Clinton W. Mccarthy, Barry R. Noon, Wayne R. Ostile, Susan M. Rinehart, Scott Larson, Glenn E. Plumb, Gregory L. Schenbeck, Daniel N. Svingen, Timothy W. Byer

United States Department of Agriculture, Forest Service / University of Nebraska-Lincoln: Faculty Publications

Broad-scale information in concert with conservation of individual species must be used to develop conservation priorities and a more integrated ecosystem protection strategy. In 1999 the United States Forest Service initiated an approach for the 1.2 x 106 ha of national grasslands in the Northern Great Plains to fulfill the requirement to maintain viable populations of all native and desirable introduced vertebrate and plant species. The challenge was threefold: 1) develop basic building blocks in the conservation planning approach, 2) apply the approach to national grasslands, and 3) overcome differences that may exist in agency-specific legal and policy requirements. Key …