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Articles 1 - 7 of 7
Full-Text Articles in Life Sciences
Urbanization And Stream Salamanders: A Review, Conservation Options, And Research Needs, Kyle Barrett, Steven J. Price
Urbanization And Stream Salamanders: A Review, Conservation Options, And Research Needs, Kyle Barrett, Steven J. Price
Forestry and Natural Resources Faculty Publications
Urban areas are increasing in size and human population density. The implications of widespread urbanization are apparent for a wide variety of stream organisms, but the responses of stream-dwelling salamanders to urbanization have been understudied historically. Studies on this assemblage have increased sufficiently over the last decade to warrant a review and synthesis of current knowledge. Our survey of the literature indicates a research bias toward species within the Piedmont ecoregion of the USA and a strong emphasis on changes in species richness, relative abundance, and occupancy along an urbanization gradient. Very few investigators have examined vital rates for specific …
Kentucky Forestry Economic Impact Report 2013-2014, Jeff Stringer, Billy Thomas, Bobby Ammerman, Alison Davis
Kentucky Forestry Economic Impact Report 2013-2014, Jeff Stringer, Billy Thomas, Bobby Ammerman, Alison Davis
Kentucky Forestry Economic Impact Reports
Forests are a valuable part of Kentucky’s landscape providing significant resources and opportunities benefiting the Commonwealth. One important and verifiable benefit is the economic contributions of Kentucky’s forest and wood industries. Analysis of these industries indicated a total economic impact of $12.8 billion and 59,000 jobs in 2013. Kentucky is one of the leading producers of hardwood forest products in the south and exports wood products across the nation and the world. This economic impact was generated from forests located in all 120 counties of the Commonwealth providing resources harvested by over 1,800 logging firms and processed at 703 facilities …
Modeling Site Suitability For Establishing Dedicated Energy Crops In Northern Kentucky, Sandhya Nepal
Modeling Site Suitability For Establishing Dedicated Energy Crops In Northern Kentucky, Sandhya Nepal
Theses and Dissertations--Forestry and Natural Resources
Dedicated energy crops have the potential to supply a sustainable biomass feedstock to support the bioenergy industry. However, a major constraint for promoting energy crops has been the availability of land for establishing energy crops. In this study, we developed a spatially-explicit model to identify suitable and economically feasible sites for establishing energy crops based on biomass price, production costs and site-specific biomass productivity. Results from our study provided an objective evaluation of factors that influence the amount and spatial distribution of land suitable for establishing energy crops. In addition, our model had the ability to capture variation across the …
Influence Of Spoil Type On Afforestation Success And Hydrochemical Function On A Surface Coal Mine In Eastern Kentucky, Kenton L. Sena
Influence Of Spoil Type On Afforestation Success And Hydrochemical Function On A Surface Coal Mine In Eastern Kentucky, Kenton L. Sena
Theses and Dissertations--Forestry and Natural Resources
Surface coal mining in Appalachia has contributed to a suite of ecological impacts, both terrestrial and aquatic. Conventional reclamation in Appalachia leads to the development of hay/pasture systems dominated by nonnative grasses and legumes, with soils that are chemically and physically unfavorable to native tree growth. Several studies have shown that more weathered minespoils provide a better growth medium than unweathered spoils in Appalachia. Spoil segregation plots were constructed on Bent Mountain in Pike County, KY, to compare the suitability of three mine spoil types (BROWN weathered sandstone, GRAY unweathered sandstone, and MIXED sandstones and shales). In 2013 (after nine …
Effects Of Regeneration Opening Size And Simulated Crop Tree Release On Volume Yields And Economic Value In Oak-Dominated Stands, Russell Andrew Cunningham
Effects Of Regeneration Opening Size And Simulated Crop Tree Release On Volume Yields And Economic Value In Oak-Dominated Stands, Russell Andrew Cunningham
Theses and Dissertations--Forestry and Natural Resources
Patch clearcutting can be put to effective use for landowners with relatively small stands of timber. This project was designed to determine how clearcut opening size and mid-rotation crop tree release affects the value and volume of sawtimber at the end of rotation. In 1960 patch clearcuts were established in three different diameters, 50ft (.05ac), 150ft (.41ac), and 250ft (1.13ac). Current stand data (2011) was collected to determine trees per acre, basal area, average tree diameter, volume, and value. These data were input into a growth simulator to determine future trees per acre, basal area, average tree diameter, volume, and …
Heat Transfer Characteristics In Wildland Fuelbeds, Justin English
Heat Transfer Characteristics In Wildland Fuelbeds, Justin English
Theses and Dissertations--Mechanical Engineering
The fundamental physics governing wildland fire spread are still largely misunderstood. This thesis was motivated by the need to better understand the role of radiative and convective heat transfer in the ignition and spread of wildland fires. The focus of this work incorporated the use of infrared thermographic imaging techniques to investigate fuel particle response from three different heating sources: convective dominated heating from an air torch, radiative dominated heating from a crib fire, and an advancing flame front in a laboratory wind tunnel test. The series of experiments demonstrated the uniqueness and valuable characteristics of infrared thermography to reveal …
Monitoring The Influence Of Acid Deposition On Soil And Implications To Forest Health In The Daniel Boone National Forest, Tyler M. Sanderson
Monitoring The Influence Of Acid Deposition On Soil And Implications To Forest Health In The Daniel Boone National Forest, Tyler M. Sanderson
Theses and Dissertations--Forestry and Natural Resources
Combustion of fossil fuels has contributed to many environmental problems including acid deposition. The Clean Air Act (CAA) was created to reduce ecological problems by cutting emissions of sulfur and nitrogen. Reduced emissions and rainfall concentrations of acidic ions have been observed since the enactment of the CAA, but soils continue to receive some acid inputs. Soils sensitive to acid deposition have been found to have low pH, a loss of base cations and a shift in the mineral phase controlling the activity of Al3+ and/or SO42-. If inputs continue, soil may be depleted of base …