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Articles 7711 - 7740 of 8674
Full-Text Articles in Physical Sciences and Mathematics
Effects Of Mechanically Generated Slash Particle Size On Prescribed Fire Behavior And Subsequent Vegetation Effects, Richy J. Harrod, David W. Peterson, Roger Ottmar, Peter Ohlson, Brad Flatten, Arlo Vanderwoude
Effects Of Mechanically Generated Slash Particle Size On Prescribed Fire Behavior And Subsequent Vegetation Effects, Richy J. Harrod, David W. Peterson, Roger Ottmar, Peter Ohlson, Brad Flatten, Arlo Vanderwoude
JFSP Research Project Reports
Forest managers have begun to restore ecosystem structure and function in fire-prone ecosystems that have experienced fire exclusion, commodity based resource extraction, and extensive grazing during much of the 20th century. Mechanical thinning and prescribed burning are the primary tools for thinning dense stands and restoring pre-settlement forest structure, reducing the likelihood of devastating crown fires. Mechanical thinning can be costly when trees are nonmerchantable and prescribed burning can be risky unless fuel loadings are first reduced. Furthermore, stands that remain dense after commercial thinning can produce undesirable wildland fire- or even prescribed fire- effects on vegetation and soils. Land …
Expansion Of The Southern Variant Of The Fire And Fuels Extension For The Forest Vegetation Simulator, S. M. Zedaker, S. A. Rebain, P. J. Radtke
Expansion Of The Southern Variant Of The Fire And Fuels Extension For The Forest Vegetation Simulator, S. M. Zedaker, S. A. Rebain, P. J. Radtke
JFSP Research Project Reports
This project specifically addressed AFP 2006-3, Task 3, by providing guidance for maintaining effective fire and non-fire fuels treatments, with the aim of supporting long-term fuels management. The overall goals of the project were to parameterize, expand, and improve the Southern Variant of the Fire and Fuels Extension (FFE) to the Forest Vegetation Simulator (FVS) with the best data currently available, to identify data weaknesses and gaps that may require additional research to reduce the uncertainty of Southern FFE model predictions, and to determine a validation framework for the Southern FFE. A wide variety of fire and fuels data and …
Evaluation Of Science Delivery Of Joint Fire Science Program Research, David Seesholtz
Evaluation Of Science Delivery Of Joint Fire Science Program Research, David Seesholtz
JFSP Research Project Reports
Since its inception in 1998, the Joint Fire Science Program (JFSP) has funded over 400 projects. The Joint Fire Science Program has long recognized that the investments made in wildland fire science need to be accompanied by an emphasis on science interpretation and delivery. Program success is ultimately measured by how well information from research efforts is being conveyed to resource managers and end users, and whether this information is improving management decisions. This study reviewed a sample of environmental documents from three JFSP sponsoring agencies to determine to what extent JFSP research is being incorporated into local planning efforts …
Evaluating The Efficacy And Ecological Impacts Of Baer Slope Stabilization Treatments On The Pot Peak/Deep Harbor Wildfire Complex, David W. Peterson, Richy J. Harrod, Terry Lillybridge, Mel Bennett
Evaluating The Efficacy And Ecological Impacts Of Baer Slope Stabilization Treatments On The Pot Peak/Deep Harbor Wildfire Complex, David W. Peterson, Richy J. Harrod, Terry Lillybridge, Mel Bennett
JFSP Research Project Reports
Post-fire slope stabilization treatments are often prescribed for severely burned areas of a wildfire, through burned area emergency response (BAER), to reduce erosion, maintain soil productivity, protect water quality, and reduce risks to human life and property. Prescribed slope stabilization treatments can include seeding of cereal grains or grasses, fertilization, mulching, and installation of physical barriers across slope contours (e.g., contour-felled logs and straw wattles). Seeding and fertilization treatments have been proposed following several high severity wildfires in the Pacific Northwest. These treatments are designed to reduce erosion by supplementing native vegetation recovery with additional populations of fast-growing species (seeding) …
From Debate To Design: Issues In Clean Energy And Climate Change Law And Policy, Leslie Parker, Jennifer Ronk, Rachel Maxwell, Bradford Gentry, Marijn Wilder, James Cameron
From Debate To Design: Issues In Clean Energy And Climate Change Law And Policy, Leslie Parker, Jennifer Ronk, Rachel Maxwell, Bradford Gentry, Marijn Wilder, James Cameron
Yale School of the Environment Publications Series
A report on the work of the REIL Network 2007-2008
Modeling Of Dispersed Phase By Lagrangian Approach In Fluent - 2d Exercise, Kari Myöhänen
Modeling Of Dispersed Phase By Lagrangian Approach In Fluent - 2d Exercise, Kari Myöhänen
Kari Myöhänen
This shows an example calculation applying DPM model in Fluent. This is related to the other DPM presentation and was prepared for the course 'Theory and simulation of dispersed-phase multiphase flows" by Dr. Payman Jalali, Lappeenranta University of Technology.
Modeling Of Dispersed Phase By Lagrangian Approach In Fluent, Kari Myöhänen
Modeling Of Dispersed Phase By Lagrangian Approach In Fluent, Kari Myöhänen
Kari Myöhänen
This is a seminar work prepared for a course 'Theory and simulation of dispersed-phase multiphase flows' by Dr. Payman Jalali, Lappeenranta University of Technology
The Ownership Of The Internet And The World Wide Web In Vermont, Ida Kubiszewski
The Ownership Of The Internet And The World Wide Web In Vermont, Ida Kubiszewski
Institute for Sustainable Solutions Publications and Presentations
The internet is an interesting case, since it was created entirely with taxpayer's money by DARPA, while the world wide web was created at CERN in Switzerland and placed into the public domain voluntarily in 1993. The internet and web have many features of a commons, and many people refer to the "internet commons". Kubiszewski (pronounced cube- ih-shefski) explores the intricacies of the internet and world wide web to determine if internet companies are extracting economic rent from the public and how it could be recovered. She finds that companies are making a substantial profit by utilizing a resource that …
Cees Newsletter, No. 4, Jan. 2008, University Of Colorado Boulder. Center For Energy & Environmental Security
Cees Newsletter, No. 4, Jan. 2008, University Of Colorado Boulder. Center For Energy & Environmental Security
CEES: The Center for Energy & Environmental Security [Newsletter] (2008)
No abstract provided.
Vermont, Mary Finley-Brook
Vermont, Mary Finley-Brook
Geography and the Environment Faculty Publications
Known as the Green Mountain State, Vermont underwent widespread reforestation following farm abandonment in the mid-1800s. In addition to the existence of several land trusts, the Green Mountain Club has protected more than 55 mi. (88 km.) along a hikers' Long Trail. There is a strong state environmental movement, with local groups and chapters of national organizations. Vermont hosts one of the nation's leading environmental law and policy programs at the Vermont Law School. The state government has invested in energy efficiency and joined regional efforts to reduce greenhouse gas (GHG) emissions. Climate change and global warming concern Vermonters because …
Students And Their Contributions Towards A Greener Campus, Windy Gonzalez Roberts
Students And Their Contributions Towards A Greener Campus, Windy Gonzalez Roberts
Spanish Publications
For the last several years, UMM has been positioning itself as a national leader in use of renewable energy. The students will discuss their awareness about the efforts of their university campus to be energy self-sufficient by the year 2010. They will reflect about their responsibility to implement changes that will create a more sustainable campus, community and world around them. The students will be able to convey to others in the campus and in the community the need to increase involvement in the process. They will also compare green efforts of their university with similar efforts in the Hispanic …
Ua1f Wku Archives Vertical File - Greentoppers, Wku Archives
Ua1f Wku Archives Vertical File - Greentoppers, Wku Archives
WKU Archives Records
Digitized vertical file materials regarding WKU Greentoppers.
Small And Medium Enterprises And The Environment: Barriers, Drivers, Innovation And Best Practice: A Review Of The Literature, Beth Walker, Janice Redmond, Lynnaire Sheridan, Calvin Wang, Ute Goeft
Small And Medium Enterprises And The Environment: Barriers, Drivers, Innovation And Best Practice: A Review Of The Literature, Beth Walker, Janice Redmond, Lynnaire Sheridan, Calvin Wang, Ute Goeft
Research outputs pre 2011
Small and medium enterprises are the largest business sector in every economy in the world 1, and generate the majority (up to 60%) of global economic output2. In the Australian context, a small business or enterprise is one that employs up to 20 staff while a small and medium sized enterprise (an SME) is a business that employs up to 200 staff. By this definition, more than 99% of all actively trading businesses (more than 1.95 million enterprises) in Australia are SMEs3 . There is a growing body of research supporting the need for SMEs to become engaged in the …
Treatment Of Industrial Wastewater Containing Active Pharmaceutical Ingredients With A Membrane Bioreactor, With The Aim Of Reducing Resource Consumption, Pádraig Colm Ó'Maolcatha
Treatment Of Industrial Wastewater Containing Active Pharmaceutical Ingredients With A Membrane Bioreactor, With The Aim Of Reducing Resource Consumption, Pádraig Colm Ó'Maolcatha
Theses
The biodegradation of a selected active pharmaceutical ingredient (API) during wastewater treatment in a membrane bioreactor (MBR) was examined experimentally. A comparison study was conducted by operating a conventional activated sludge (CAS) pilot plant in parallel to the MBR. The MBR was operated under varying conditions of pH (pH6 and pH8), MLSS (6g/L and l0g/L) and SRT (20 days and 30 days) according to a full factorial design of experiments. In the CAS, pH and SRT were altered as above but MLSS was maintained at 3-4g/L. Comparable average API removal results of 95.5% and 95.7% were obtained for the MBR …
Sustainability In A Time Of Climate Change: Developing An Intensive Research Framework For The Platte River Basin And The High Plains Proceedings From The 2008 Climate Change Workshop, Monica Norby, Ashley Washburn
Sustainability In A Time Of Climate Change: Developing An Intensive Research Framework For The Platte River Basin And The High Plains Proceedings From The 2008 Climate Change Workshop, Monica Norby, Ashley Washburn
Office of Research and Economic Development: Publications
Proceedings from the 2008 Climate change Workshop, Nebraska Sandhills, May 19-22, 2008. Hosted by the University of Nebraska–Lincoln and the U.S. Geological Survey
Agricultural Systems: Agroecology And Rural Innovations For Development [Book Review], Charles A. Francis
Agricultural Systems: Agroecology And Rural Innovations For Development [Book Review], Charles A. Francis
Department of Agronomy and Horticulture: Faculty Publications
To welcome yet another book on sustainable development, a reviewer must look for what is unique and what adds value to the volumes already published. In Agricultural Systems, editors Sieglinde Snapp and Barry Pound have assembled a collection of chapters that goes beyond the usual praise and criticism of the green revolution and the focus on economic development. Their book provides a first-hand story by people with lengthy experiences in the field, especially in Africa, who have developed and tested grassroots, participatory development approaches. The result is a valuable set of principles, strategies and case studies that paint a new …
Evidence Of Diminishing Nature Deficit Disorder, Public Lands Institute
Evidence Of Diminishing Nature Deficit Disorder, Public Lands Institute
Our Places to Tell Stories
- Demonstrate how one program is working toward diminishing nature deficit disorder.
- Share evidence of program effectiveness.
- Encourage program assessment.
Assessment: How Hard Can It Be?, Public Lands Institute, Michelle L. Weibel, Daphne Sewing, Gregory Schraw, Lori Olafson
Assessment: How Hard Can It Be?, Public Lands Institute, Michelle L. Weibel, Daphne Sewing, Gregory Schraw, Lori Olafson
Our Places to Tell Stories
- Demonstrate how assessment of a curriculum-based education program can work.
- Share results of the Forever Earth program assessment
- Stimulate thought and discussion of how to implement assessment strategies for your program.
Tips For Going Green, City Of Las Vegas, Nevada
Tips For Going Green, City Of Las Vegas, Nevada
Publications (SD)
No abstract provided.
Land Tenure And Rental In Western Sudan, Michael Kevane, Leslie C. Gray
Land Tenure And Rental In Western Sudan, Michael Kevane, Leslie C. Gray
Economics
This paper reports on aspects of land tenure in western Sudan, especially the nature of tenure insecurity and the functioning of the land rental market. The active land rental market accounted for about one-third of cultivated land. Patterns of land rental transactions, and tests of the importance of insecurity in renting land, where the owner may not be able to reclaim land rented out, do not support the presumption that rental markets perform poorly. The role of the sheikh as administrator of village land, and the claims of large landowners to vast tracts, are, however, important political problems that must …
Sampling Of Malodorous Compounds In Air Using Stir Bar Sorbtive Extraction, John H. Loughrin, Nanh Lovanh, Arturo I. Quintanar, Rezaul Mahmood
Sampling Of Malodorous Compounds In Air Using Stir Bar Sorbtive Extraction, John H. Loughrin, Nanh Lovanh, Arturo I. Quintanar, Rezaul Mahmood
High Plains Regional Climate Center: Personnel Publications
Twisters, (poly)‐dimethylsiloxane‐coated magnetic stir bars, were used to measure compounds typical of swine manure malodor in air. In initial experiments, a time to achieve equilibrium was determined by preloading the stir bars with ten compounds with a range of volatilities and polarities and then monitoring their loss. The rate of loss was dependent on compound volatility, and the time for equilibrium to be attained varied widely, from 22 min for phenol to 210 min for skatole. To test whether the Twisters would respond linearly over a range of concentrations, the stir bars were placed in vented jars with solutions of …
Diminished Access, Diverted Exclusion: Women And Land Tenure In Sub-Saharan Africa, Michael Kevane, Leslie C. Gray
Diminished Access, Diverted Exclusion: Women And Land Tenure In Sub-Saharan Africa, Michael Kevane, Leslie C. Gray
Economics
Increasing commercialization, population growth and concurrent increases in land value have affected women's land rights in Africa. Most of the literature concentrates on how these changes have led to an erosion of women's rights. This paper examines some of the processes by which women's rights to land are diminishing. First, we examine cases where rights previously utilized have become less important; that is, the incidence of exercising rights has decreased. Second, we investigate how women's rights to land decrease as the public meanings underlying the social interpretation and enforcement of rights are manipulated. Third, we examine women's diminishing access to …
Fisheries Research Report No.172 - Identifying Obstacles To Profitably Growing Out Western Rock Lobsters, Roy Melville-Smith, Danielle Johnston, B. Johnston, N. J. Thomson
Fisheries Research Report No.172 - Identifying Obstacles To Profitably Growing Out Western Rock Lobsters, Roy Melville-Smith, Danielle Johnston, B. Johnston, N. J. Thomson
Fisheries research reports
A Report Prepared for the Aquaculture Development Council.
The cost of growing out western rock lobsters from pueruli to marketable-sized lobsters has been modeled from available information. The model uses different scenarios of survival rates, marketing weights, market prices, feed costs, puerulus prices, labour costs, puerulus compensation costs, discount rates and capital costs. The sensitivity of estimated profitability to various input costs and rock lobster prices was assessed by estimating the impact of changes on the estimates of net present value (NPV) internal rate of return (IRR) and benefit:cost ratio. Importantly, the aim of the study was to identify key …
Technology-Aided Participative Methods In Environmental Assessment: An International Perspective, Ainhoa Gonzalez, Alan Gilmer, Ronan Foley, John Sweeney, John Fry
Technology-Aided Participative Methods In Environmental Assessment: An International Perspective, Ainhoa Gonzalez, Alan Gilmer, Ronan Foley, John Sweeney, John Fry
Articles
Provisions for citizen involvement in the assessment of potential environmental effects of certain plans, programmes and projects are present in current legislation. An international survey revealed that public participation is common practice in European and some other countries worldwide. However, a number of issues are observed to affect public involvement in EIA/SEA processes and expert opinion differs when evaluating the effectiveness of existing participative methods. Results suggest that technology-aided methods can improve traditional participation processes. In particular, GIS has the potential to increase community knowledge and enhance involvement by communicating information more effectively. Variable accessibility to technology and data quality …
Toward A New Social Contract: A Tripartite Mixed-Methods Analysis Of Social Sustainability At Three Land-Grant Universities, Lyndsay Josephine Agans
Toward A New Social Contract: A Tripartite Mixed-Methods Analysis Of Social Sustainability At Three Land-Grant Universities, Lyndsay Josephine Agans
Electronic Theses and Dissertations
Increasingly, colleges and universities in the United States are adapting toward a model of behavior that incorporates issues of sustainability. This adaptation in universities and in society has implications on the organizational and nation-state level, the very core of which may serve to reshape the social contract between the two. In addition to supplying a strong counter-hegemonic argument that alters the competitive economic agenda-setting paradigm, this study serves as a tripartite comparative case study analysis of university adaptation toward social sustainability. By employing a social capital lens to understanding social sustainability in higher education, this study seeks to examine the …
The Balancing Act, David Weaver
The Balancing Act, David Weaver
Conference papers and presentations
Nutrient management is as much a global issue as a local one with a balance required between economics and environment, inherent biological limitations and expectations of nutrient use efficiency, and traditional fertiliser practices and actual enterprise nutrient requirements. The concept of nutrient balance depends on context and scale. Nutrient balance can be considered at a global scale, where issues of nutrient stocks, cycles, depletion and transfer of a particular element are important. For a single farm enterprise, nutrient balance might be considered in terms of phosphorus (P) inputs into and outputs from the enterprise. This is commonly known as a …
Floodplains: Balancing Nature And Human Needs, Vivek Shandas, Meg Merrick
Floodplains: Balancing Nature And Human Needs, Vivek Shandas, Meg Merrick
Institute for Sustainable Solutions Publications and Presentations
For countless years, the interaction between climatic conditions and water flow has forged the rolling hills and rivers in the metroscape. The floods that forced a deluge of water down the Columbia River between 13 and 17 thousand years ago established the fertile and absorptive landscape of the Willamette Valley. The lush vegetation controlled the regional climate and stabilized the soils, while the thirsty wetlands reduced flood potential, provided habitat, and purified the water. Over geological time, these natural processes have created ideal conditions for humans. The Pacific Northwest was home to some of the most densely populated communities of …
Fire History And Forest Structural Change In The Spring Mountains, Scott R. Abella
Fire History And Forest Structural Change In The Spring Mountains, Scott R. Abella
Public Policy and Leadership Faculty Publications
Since early 2006 we have been working to develop a partnership with the Spring Mountains District of the Humboldt-Toiyabe National Forest to provide science support for understanding fire history and forest structural changes in support of ecologically based management strategies. We teamed up with the Ecological Restoration Institute (ERI) at Northern Arizona University and the University of Arizona Tree Ring Lab to deliver a workshop on March 6, 2008 at the interagency office in Las Vegas, Nevada. On September 16-18, we again teamed up with colleagues at ERI to conduct a preliminary field assessment of forest change at 10 sites …
A Critical Examination Of Sustainability Considerations In Yukon Environmental Assessment—Past And Present, Louisa M. Clementino
A Critical Examination Of Sustainability Considerations In Yukon Environmental Assessment—Past And Present, Louisa M. Clementino
Theses and Dissertations (Comprehensive)
The Northern regions of Canada, as a result of landscape characteristics and political and cultural dynamics, present unique challenges and opportunities for meeting sustainability goals through environmental assessment (EA) processes. In order to understand the significance of the EA process in the North and its applicability to fulfilling sustainability goals, the past and present EA regimes of the Yukon are evaluated adopting a sustainability-focused framework. Unique changes to the Yukon EA process, as a result of land claim agreements and devolution have created innovative structures and processes, reflective of the environmental, socio-economic, cultural and political circumstances of the region. The …
Southern Africa Environment Outlook 2008, Stanley Mubako
Southern Africa Environment Outlook 2008, Stanley Mubako
Stanley Mubako
No abstract provided.