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Articles 1 - 30 of 187
Full-Text Articles in Life Sciences
Alfred Russel Wallace Notes 29. Extraterrestrial Entertainment: Are We Being Monitored By Alien Beings?, Charles H. Smith
Alfred Russel Wallace Notes 29. Extraterrestrial Entertainment: Are We Being Monitored By Alien Beings?, Charles H. Smith
Faculty/Staff Personal Papers
Alfred Russel Wallace (1823−1913) was an early advocate for the rational assessment of likelihood of extraterrestrial life. Current efforts to evaluate the situation have ranged from the heavily self-indulgent to the more objective, and it is still often difficult to decide just how much of the information we are receiving on the subject is dependable. An attempt is made here to cut through the haze and reduce the matter to elementals.
Alfred Russel Wallace Notes 25. Wallace And The 'Physical Environment'., Charles H. Smith
Alfred Russel Wallace Notes 25. Wallace And The 'Physical Environment'., Charles H. Smith
Faculty/Staff Personal Papers
Alfred Russel Wallace’s natural selection essay of 1858 has been held to frame a greater role for the physical environment in forcing selection regimes than we find in Darwin’s writings, but here that verdict is challenged by a re-examination of both the essay itself, and period usage of the term ‘physical.’
Comparison Of Groundwater Chemistry And Associated Biodiversity Of Sulfidic Karst Habitats In Southcentral Kentucky, Kendall Wheeler
Comparison Of Groundwater Chemistry And Associated Biodiversity Of Sulfidic Karst Habitats In Southcentral Kentucky, Kendall Wheeler
Mahurin Honors College Capstone Experience/Thesis Projects
In most ecosystems, primary production is conducted by plants or photosynthetic microbes; however, extremophilic sulfur-oxidizing bacteria can use hydrogen sulfide gas (H2S) as an electron donor to produce metabolic energy in a type of metabolism called chemoautotrophy. These ecosystems are a prominent feature of some karst landscapes, and two have been observed in the Mammoth Cave system, Sulphur River in Parker Cave and Marianne’s Pass in Mammoth Cave National Park respectively.
Sulfidic water is ubiquitous in southcentral Kentucky and is strongly associated with hydrocarbon deposits. This oil boom of the 1880s in this region predates most environmental regulation and records …
Factors Influencing Tree Growth In A Bottomland Hardwood Along The Green River In Kentucky, Caleb Miller
Factors Influencing Tree Growth In A Bottomland Hardwood Along The Green River In Kentucky, Caleb Miller
Masters Theses & Specialist Projects
In bottomland hardwood forests, large fluctuations in moisture availability can lead to stress from both flooded and drought conditions. These forests can have a complex species composition with different water use and drought strategies. The bottomlands in which these species co-occur can have a complex spatial distribution of alluvial sediments due to the meandering and migration of river or stream channels, which may impact the hydrology, nutrient dynamics, and productivity. At Western Kentucky University's Green River Preserve, approximately 9 ha of bottomland hardwood forest were planted in 2006. Although these hardwoods have received equal amounts of sunlight, rainfall, and wind, …
Antibiotic Resistant Gene Concentrations In Bacteria In Groundwater From Agricultural Waste, Koji Barnaby
Antibiotic Resistant Gene Concentrations In Bacteria In Groundwater From Agricultural Waste, Koji Barnaby
Mahurin Honors College Capstone Experience/Thesis Projects
The overuse of antibiotics has led to an increase in antibiotic resistant bacteria since some antibiotics are sent into the wastewater system by waste produced by both humans and agriculture, making exposure to these bacteria more likely. The evolution of these bacteria in groundwater is of particular concern, as groundwater is used as a source of drinking water, and infections by these bacteria would be more difficult to treat. There are no policies in place to monitor or regulate antibiotic resistance bacteria in groundwater, leaving the threat to public health unknown. The study area of Crumps Cave in Smiths Grove, …
Impacts Of Forest Management And Timber Harvest Practices On Karst Critical Zone Processes In Tongass National Forest, Alaska, Anna Gwendolyn Harris
Impacts Of Forest Management And Timber Harvest Practices On Karst Critical Zone Processes In Tongass National Forest, Alaska, Anna Gwendolyn Harris
Masters Theses & Specialist Projects
This study characterizes the throughfall, hydrogeochemistry, dissolution rates, and carbon sources of two proximate temperate rainforest cave systems within the Tongass National Forest in Southeast Alaska (Tongass). Study sites include: an old-growth forest, characterized by having never been logged (containing Walkabout Cave system); and a previously logged – within thirty years, second-growth forest (containing Zina Cave system). Precipitation data were recorded over a five-month period at 10-minute intervals, to understand the effects of throughfall between the altering old and second-growth canopies. At each major spring for the two cave systems, high-resolution data were collected from June 29 through November 21, …
Analysis Of Permaculture’S Water Conservation And Crop Supporting Abilities, Hannah Chaney
Analysis Of Permaculture’S Water Conservation And Crop Supporting Abilities, Hannah Chaney
Mahurin Honors College Capstone Experience/Thesis Projects
In the Middle East, virtually all agriculturally viable land is under high threat of desertification due to poor land and resource management and climate change. Mulching using straw flakes (straw mulch permaculture) is a method commonly used in successful dry land permaculture projects in the Middle East. We proposed that straw mulch permaculture would increase the amount of soil moisture during dry periods and that this method would not impact the growth and survival of the crop. In order to test this hypothesis, we took soil samples from plots with and without straw mulch permaculture in Bowling Green, KY and …
Ua84 Sigma Chi, Wku Archives
Ua84 Sigma Chi, Wku Archives
WKU Archives Collection Inventories
Records created by and about the WKU chapter of Sigma Xi.
Evaluating The Influences Of Karst Hydrogeology On Freshwater Harmful Algal Blooms In Kentucky Lakes, Robert T. Schaefer
Evaluating The Influences Of Karst Hydrogeology On Freshwater Harmful Algal Blooms In Kentucky Lakes, Robert T. Schaefer
Masters Theses & Specialist Projects
A problem exists in Nolin River Lake and Rough River Lake in Kentucky, due to the increasing prevalence of cyanobacterial-based harmful algal blooms (CyanoHABs) and the threats they pose to local communities. These lakes were developed as artificial reservoirs from embankment. Further complicating the issue, the lakes are located within a heavily karstified region and there exists no plan or method currently for monitoring or managing CyanoHABs in a karst region with regard to groundwater inputs to the lake systems or their tributaries. A mixture of techniques and analysis methods was used to determine the best way to monitor and …
Undergraduate Research Projects Help Promote Diversity In The Geosciences, De'etra Young, Shannon R. Trimboli, Rick S. Toomey, Thomas Byl
Undergraduate Research Projects Help Promote Diversity In The Geosciences, De'etra Young, Shannon R. Trimboli, Rick S. Toomey, Thomas Byl
Mammoth Cave Research Symposia
No abstract provided.
Citizen Science At Mammoth Cave National Park: Integrating Research And Education, Shannon R. Trimboli
Citizen Science At Mammoth Cave National Park: Integrating Research And Education, Shannon R. Trimboli
Mammoth Cave Research Symposia
No abstract provided.
Modeling Activity Of The Indiana Bat (Myotis Sodalis) At Mammoth Cave National Park Using Remotely-Sensed Descriptors Of Forest Canopy Conditions, Luke E. Dodd, N, S. Skowronski, M. B. Dickinson, L. K. Rieske, M. J. Lacki
Modeling Activity Of The Indiana Bat (Myotis Sodalis) At Mammoth Cave National Park Using Remotely-Sensed Descriptors Of Forest Canopy Conditions, Luke E. Dodd, N, S. Skowronski, M. B. Dickinson, L. K. Rieske, M. J. Lacki
Mammoth Cave Research Symposia
No abstract provided.
Quantitative Dye Studies To Evaluate The Spill Response System For Mammoth Cave National Park, Jetara Brown, Thomas Byl, Rick S. Toomey, Lonnie Sharpe Jr.
Quantitative Dye Studies To Evaluate The Spill Response System For Mammoth Cave National Park, Jetara Brown, Thomas Byl, Rick S. Toomey, Lonnie Sharpe Jr.
Mammoth Cave Research Symposia
No abstract provided.
Natural Resource Condition Assessment For Mammoth Cave National Park, Cate Webb, Chris Groves, Katie Algeo
Natural Resource Condition Assessment For Mammoth Cave National Park, Cate Webb, Chris Groves, Katie Algeo
Mammoth Cave Research Symposia
No abstract provided.
The Max Kämper Map Of Mammoth Cave: An Nps Centennial Restoration, Tres Seymour
The Max Kämper Map Of Mammoth Cave: An Nps Centennial Restoration, Tres Seymour
Mammoth Cave Research Symposia
No abstract provided.
What Data Analytics Can Do For You!, Leyla Zhuhadar, J. Kirk Atkinson, Albert Meier, Ouida Meier
What Data Analytics Can Do For You!, Leyla Zhuhadar, J. Kirk Atkinson, Albert Meier, Ouida Meier
Mammoth Cave Research Symposia
No abstract provided.
Use Of Multiphysics Simulation To Model Environmental Conditions Associated With Bat Hibernacula Including Preliminary Indication Of Impacts On Saltpeter Vats In Mammoth Cave, Aaron Bird, Rick Olson, Rick Toomey, Aaron Addison, Rachel Bosch
Use Of Multiphysics Simulation To Model Environmental Conditions Associated With Bat Hibernacula Including Preliminary Indication Of Impacts On Saltpeter Vats In Mammoth Cave, Aaron Bird, Rick Olson, Rick Toomey, Aaron Addison, Rachel Bosch
Mammoth Cave Research Symposia
No abstract provided.
The Effect Of Faulting On Past And Present Hydrogeology In Long Cave, Mammoth Cave National Park, Rick Olson, Rick S. Toomey
The Effect Of Faulting On Past And Present Hydrogeology In Long Cave, Mammoth Cave National Park, Rick Olson, Rick S. Toomey
Mammoth Cave Research Symposia
No abstract provided.
An Overview Of The Reverse Flow Patterns Of River Styx In Mammoth Cave, Kentucky: 2009-2012, Shannon R. Trimboli, Kim Weber, Susan Ryan, Rick S. Toomey
An Overview Of The Reverse Flow Patterns Of River Styx In Mammoth Cave, Kentucky: 2009-2012, Shannon R. Trimboli, Kim Weber, Susan Ryan, Rick S. Toomey
Mammoth Cave Research Symposia
No abstract provided.
Measurement Of Inorganic Carbon Fluxes From Large River Basins In South Central Kentucky Karst, Connor Salley, Chris Groves
Measurement Of Inorganic Carbon Fluxes From Large River Basins In South Central Kentucky Karst, Connor Salley, Chris Groves
Mammoth Cave Research Symposia
No abstract provided.
Tracing Carbon In Karst Environments In South-Central Kentucky To Identify Changes In Groundwater Dynamic Under Varying Land Uses, Chelsea Ballard, Jason Polk, Kegan Mcclanahan
Tracing Carbon In Karst Environments In South-Central Kentucky To Identify Changes In Groundwater Dynamic Under Varying Land Uses, Chelsea Ballard, Jason Polk, Kegan Mcclanahan
Mammoth Cave Research Symposia
No abstract provided.
Ongoing Geographic Documentation Of The Mammoth Cave System And Related Caves, Pat Kambesis, Bob Osburn
Ongoing Geographic Documentation Of The Mammoth Cave System And Related Caves, Pat Kambesis, Bob Osburn
Mammoth Cave Research Symposia
No abstract provided.
Strip Adaptive Cluster Sampling With Application To Cave Crickets, Kurt Lewis Helf, Tom Philippi, Bill Moore, Lillian Scoggins
Strip Adaptive Cluster Sampling With Application To Cave Crickets, Kurt Lewis Helf, Tom Philippi, Bill Moore, Lillian Scoggins
Mammoth Cave Research Symposia
No abstract provided.
Organization And Development Of The Eyes Of Ptomaphagus Hirtus, The Troglobitic Small Carrion Beetle Of Mammoth Cave, Markus Friedrich, Jasmina Kulacic, Elke Buschbeck
Organization And Development Of The Eyes Of Ptomaphagus Hirtus, The Troglobitic Small Carrion Beetle Of Mammoth Cave, Markus Friedrich, Jasmina Kulacic, Elke Buschbeck
Mammoth Cave Research Symposia
No abstract provided.
Evaluating The Energetic Value Of Lepidoptera Using Bomb Calorimetry, Shelby A. Fulton, Luke E. Dodd, Lynne K. Rieske
Evaluating The Energetic Value Of Lepidoptera Using Bomb Calorimetry, Shelby A. Fulton, Luke E. Dodd, Lynne K. Rieske
Mammoth Cave Research Symposia
No abstract provided.
Summary Of 2015 Winter Bat Monitoring At Mammoth Cave National Park, Laura Shultz, Chris Clark, Rick Toomey, Shannon Trimboli
Summary Of 2015 Winter Bat Monitoring At Mammoth Cave National Park, Laura Shultz, Chris Clark, Rick Toomey, Shannon Trimboli
Mammoth Cave Research Symposia
No abstract provided.
The Activity Of Myotis Sodalis And Myotis Septentrionalis Changes On The Landscape Of Mammoth Cave National Park Following The Arrival Of White-Nose Syndrome, Rachael Griffitts, Luke E. Dodd, Michael J. Lacki
The Activity Of Myotis Sodalis And Myotis Septentrionalis Changes On The Landscape Of Mammoth Cave National Park Following The Arrival Of White-Nose Syndrome, Rachael Griffitts, Luke E. Dodd, Michael J. Lacki
Mammoth Cave Research Symposia
No abstract provided.
Video Presentation: Monitoring Cave Organisms, Cumberland Piedmont Inventory And Monitoring Network, Kurt Helf, Steven Thomas, Michael Durham
Video Presentation: Monitoring Cave Organisms, Cumberland Piedmont Inventory And Monitoring Network, Kurt Helf, Steven Thomas, Michael Durham
Mammoth Cave Research Symposia
No abstract provided.
Conducting A Biological Inventory Of Sloan’S Crossing Pond, Miranda Thompson, Jason A. Matthews, Christy Soldo
Conducting A Biological Inventory Of Sloan’S Crossing Pond, Miranda Thompson, Jason A. Matthews, Christy Soldo
Mammoth Cave Research Symposia
No abstract provided.
The Effects Of Rainfall On Vernal Herbs, Janis Lemaster, Albert Meier
The Effects Of Rainfall On Vernal Herbs, Janis Lemaster, Albert Meier
Mammoth Cave Research Symposia
No abstract provided.