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Browsing Department of Forest Engineering, Resources and Management by Title

Now showing items 19-38 of 90

A decision framework for the implementation of appropriate logging practices in developing countries : case study -- Ethiopia

Spong, Ben (2007-08-27)

In many areas of the developing world, the continued overexploiting forest resources has the potential to have significant detrimental impacts be placed on sustainable forest management (SFM) can help communities and org ...
Direct stakeholder perceptions of collaboration, indicators, and compliance associated with the wilderness best management practices in Tracy Arm-Fords Terror Wilderness, Alaska

Pomeranz, Emily F. (2011-12-08)

Increasingly popular methods for managing impacts of tourism in nature-based settings include collaborative and voluntary codes of conduct. In southeast Alaska, for example, the Tourism Best Management Practices (TBMP) i ...
Dissolved nitrogen in surface waters and nitrogen mineralization in riparian soils within a multi-land use basin

Evans, Daniel M. (2007-06-05)

The growing population of Oregon’s Willamette River Basin places an increasing demand on the basin’s surface waters. Watershed-scale research addressing spatial trends of dissolved nitrogen (DN) and its relationship wi ...
Ecohydrological consequences of drought- and infestationtriggered tree die-off: insights and hypotheses

Adams, Henry D.; Luce, Charles H.; Breshears, David D.; Allen, Craig D.; Weiler, Markus; Hale, V. Cody; Smith, Alistair M. S.; Huxman, Travis E. (John Wiley & Sons, Ltd., 2011-08-07)

Widespread, rapid, drought-, and infestation-triggered tree mortality is emerging as a phenomenon affecting forests globally and may be linked to increasing temperatures and drought frequency and severity. The ecohydrolo ...
Economic modeling of tropical deforestation in Antioquia (Colombia), 1980-2000 : an analysis at a semi-fine scale with spatially explicit data

Orrego, Sergio A. (2009-05-12)

This dissertation used land rent theory and an economic model of land-use conversion to examine the main drivers of the deforestation occurred in Antioquia,Colombia, between 1980 and 2000. Land-cover information at a sem ...
The economics of carbon sequestration in western Oregon forests

Im, Eun Ho (2007-06-28)

This study considered regional forest policies for sequestering carbon in existing forests in western Oregon. A model of log markets in western Oregon was employed to examine the impacts of forest policy changes on fut ...
Empirical modeling of windthrow occurrence in streamside buffer strips

Drake, Timothy P. (2008-09-03)

Streamside buffer strips provide numerous benefits to stream ecosystems. The buffer strips create shade, provide shelter for wildlife, act as barriers to logging debris during and after timber harvest, and serve as a con ...
Encounter norms of snorkelers and scuba divers at Molokini, Hawai'i : methodological and managerial applications

Bell, Caitlin M. (2010-07-09)

Over the past few decades, tourism and recreation activities have increased in tropical marine settings, and studies have examined social and ecological impacts of these activities. Some studies have examined social impa ...
Estimating spatial changes in acoustic velocity in felled Douglas-fir stems

Dowding, Bodie (2010-08-06)

To compete with other building materials, the wood products industry must find a way to increase value and lower costs. Wood stiffness is important for most wood uses. Value can be increased and costs can be lowered by ...
Estimating volume and value on standing timber in hybrid poplar plantations using terrestrial laser scanning : a case study

Barnett, Jennifer S. (2012-05-25)

Terrestrial laser scanning (TLS) may provide a way to increase timber value recovery by replacing manual timber cruising with a simple-to-use, cost-effective alternative. TLS has been studied in several trials worldwide. ...
Estimation and modeling of selected forest metrics with lidar and Landsat

Strunk, Jacob L. (2012-06-14)

Lidar is able to provide height and cover information which can be used to estimate selected forest attributes precisely. However, for users to evaluate whether the additional cost and complication associated with using ...
Evaluating the accuracy of imputed forest biomass estimates at the project level

Gagliasso, Donald (2012-10-01)

Various methods have been used to estimate the amount of above ground forest biomass across landscapes and to create biomass maps for specific stands or pixels across ownership or project areas. Without an accurate estim ...
Evaluation of a prototype NIR system for Douglas-fir wood density estimation

Belart Lengerich, Maria Francisca (2008-06-26)

Forest products companies in the U.S. face vigorous competition from other wood producers around the world and other industries (steel, aluminum, plastics, composites). To be competitive, forest companies need to contr ...
Evaluation of six tools for estimating woody biomass moisture content

Becerra Ochoa, Fernando Amador (2012-12-13)

Woody biomass transportation costs and market values/costs are strongly correlated with the woody biomass moisture content. Properly managing moisture content can potentially lead to economic and environmental advantages ...
Evidence of a trophic cascade among wolves, elk, and aspen in Yellowstone National Park, USA

Halofsky, Joshua S. (2007-06-20)

According to general top-down trophic theory, in the presence of carnivores, herbivore behavior and/or densities could change and result in an overall decrease in herbivory on plant communities. In this dissertation, I e ...
Examination of airborne discrete-return lidar in prediction and identification of unique forest attributes

Wing, Brian M. (2012-06-08)

Airborne discrete-return lidar is an active remote sensing technology capable of obtaining accurate, fine-resolution three-dimensional measurements over large areas. Discrete-return lidar data produce three-dimensional o ...
Examination of imputation methods to estimate status and change of forest attributes from paneled inventory data

Eskelson, Bianca N. I. (2008-11-21)

The Forest Inventory and Analysis (FIA) program conducts an annual inventory throughout the United States. In the western United States, 10% of all plots (one panel) are measured annually, and a moving average is used fo ...
Forest biomass estimation with hemispherical photography for multiple forest types and various atmospheric conditions

Clark, Joshua Andrew (2010-02-12)

The importance of accurately identifying inventories of domestic energy, including forest biomass, has increasingly become a priority of the US government and its citizens as the cost of fossil fuels has risen. It is use ...
The Forest Field Program : a case study in forest education for Latino youth

Gonzalez, Emily A. (2007-12-17)

This study involved the development of two bilingual and inquiry-based forest education programs within the Central Willamette Valley of Oregon. The first program used the participatory research (PR) process to engage 7t ...
Forest industry restructuring and emerging forest tenures in Deschutes and Klamath Counties, Oregon

Kelly, Erin Clover (2010-04-07)

Since the 1980s, industrial forest restructuring has resulted in the divestment of industrial timberlands across the U.S. Emerging tenures have benefited from the divestment, including conservation-based tenures that man ...