Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 46 for “"timber production"”.
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Developing Management Guidelines that Balance Cattle and Timber Production with Ecological Interests in the Black Hills of South Dakota
… States (US) economy by providing livestock and timber production. Livestock grazing of forested lands has been widespread throughout the western US since the settlement era, and currently occurs on 51.4 million hectares (ha) representing 16% of all US grazing land and 22% of all US forested land …
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Economics of Managing Loblolly Pine Plantations for Increased Wildlife Biodiversity
… plantations in East Texas for strictly timber production or a combination of timber production and wildlife biodiversity. Management regimes evaluated had varying planting densities, thinning frequency and intensities, prescribed burn intervals, and site indices. Economic analyses used …
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A decisionmaking framework for assessing atmospheric deposition impacts on regional forest inventory
… segments: a forest inventory projection model, a timber production function, and a timber consumption model. The Timber Resource Inventory Model (TRIM) was used to project future forest inventory, given initial inventory data, yield information, and harvest request. The timber production function …
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Using Passive Acoustic Monitoring to Estimate Bird Community Response to Land Management in Southeastern Georgia
Working lands, such as mine reclamation and timber production sites, may be able to provide supplementary habitat for declining disturbance-dependent birds, such as Bachman's Sparrow (Peucaea aestivalis) and Northern Bobwhite (Colinus virginianus). However, habitat use is likely contingent on …
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The Influence of Stand Density on Rate of Carbon Sequestration in Loblolly Pine Plantations on Mined Lands in East Texas
… given the objectives of maximizing revenue from timber production and the combination of timber production and carbon sequestration. PTAEDA2, a forest stand growth simulator, was used to predict growth and yield from establishment to final harvest. Dynamic computer programming was used to perform …
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Population Dynamics of Ouachita Dusky Salamanders (Desmognathus brimleyorum) in a Managed Forest Landscape
… It is crucial to maintain a balance between timber production and conservation of biodiversity on managed landscapes. Salamander populations can play key roles in the function and diversity of temperate forest ecosystems. Several studies have reported negative effects of forestry on …
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Assessing private forest landowner decision making in Illinois: applied management solutions for diverse objectives
… diversity, watershed values, renewable timber production, carbon storage, recreation, and enjoyment. The private forestland base also faces a number of threats including development, parcelization, invasive species encroachment, damaging harvesting practices, and climate change. Decision …
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The Economic Impacts of Forest Timber Methods in Washington State: a Hedonic Approach
… State is one of the nation’s leaders in timber production. This paper establishes literature gap regarding the economic impacts of forest timber management methods. In this research, I employ a data set of 170,141 home sales across eleven counties of western Washington to estimate the …
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Policy memorandum Outeniqua and Langkloof mountains Southern Cape.
… nature conservation, agricultural utilization timber production, recreation and research. A Mountain Catchment Area is proposed to realize water conservation aims on private catchment land. An efficient classification system is essential for planning. The study area was subdivided, according to …
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The biodiversity and climate impacts of alternative approaches to meeting demands for tropical timber and forest restoration
… tropical landscapes of the future. First is timber production, which already exerts substantial impacts on forest species and the climate through selective logging and the development of intensive tree plantations. Second is the restoration of large tracts of degraded lands in order to …
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The use of biomass for electric power generation in the South African and Zimbabwean saw-milling industry
… generally supplied in the form of steam to the timber drying and conditioning kilns that form part of the timber production process. One of the principal arguments put forward for cogeneration is that by passing steam through a condensing or back pressure turbine the entire power demand of a …
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The contribution of Eucalyptus woodlots initiative to livelihoods of small-scale timber growers in Vhembe district, Limpopo Province
… they provide an array of products, particularly timber and fuelwood. However, there is lack of information on contribution of Eucalyptus woodlots on the livelihoods of rural small-scale timber growers in Vhembe district, Limpopo. Establishment of Eucalyptus woodlots could be used as a poverty …
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Study of the properties, classification, and woodland site quality for high elevation soils in western Virginia
… National Forest reveal woodland site quality of timber stands to be higher than expected for the soils traditionally mapped in the area. Assessment of soil temperature data indicates the mesic-frigid boundary occurs at approximately 1200 m. This boundary is not absolute, and allows for …
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Targeting Nonindustrial Private Forest Landowner Groups for Timber Market Entry
This study models the timber market entry decisions of nonindustrial private landowners. It involves examining reservation prices both for harvesting timber from existing forest land and for afforestation of marginal agricultural and abandoned land. An important conclusion drawn from these models …
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Comparing linear programming and mixed integer programming formulations for forest planning on the Naval Surface Weapons Center, Dahlgren, Virginia
… northeastern Virginia. Linear programming-based timber management scheduling models were constructed utilizing the Model I formulation of Johnson and Scheurman (1977). The models were formulated as mixed strata-based, area-based models (Johnson and Stuart 1987) that maximized present net worth …
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Planning for small forest landscapes: facilitating the connection between people and nature
… scenery, nature protection, recreation, privacy, timber production, family legacy, and investment. Despite this variety of purpose and commitment, most materials and workshops designed to assist small forest landowners focus on timber management and forest health and provide little information …
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Effects of Infanticide Risk and Timber Harvest on American Black Bear Space Use
… that maybe influenced by infanticide risk and timber harvest. I used generalized linear mixed models (GLMM) to determine if female American black bear (<em>Ursus americanus</em>) space use was consistent with avoidance behavior to reduce infanticide risk in the Upper Peninsula of Michigan …
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Effects of Forestry Streamside Management Zones on Stream Water Quality, Channel Geometry, Soil Erosion, and Timber Management in the Virginia Piedmont
… were clear-cut harvested for commercial timber production. Four SMZ treatments were installed across four experimental blocks during harvest. Each of the 16 watersheds was subsequently site-prepared with prescribed burning and planted with loblolly pine (Pinus taeda). Within the …
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Factors affecting root system response to nutrient heterogeneity in forested wetland ecosystems
… factors that determine carbon sequestration and timber production.
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The U.S. Forest Service : business as usual
… remained entrenched in its management objective- timber production.</p> <p>After the courts enjoined the USFS against cutting in the Pacific Northwest, aftet struggling with confrontational environmentalists and increased activism within the agency, the USFS attempted to re-write its management …
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