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- All Graduate Theses and Dissertations, Spring 1920 to Summer 2023 (14)
- Wildland Resources Faculty Publications (11)
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- All Graduate Plan B and other Reports, Spring 1920 to Spring 2023 (5)
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Articles 1 - 30 of 50
Full-Text Articles in Environmental Sciences
Mitigating Projected Impacts Of Climate Change And Building Resiliency Through Permaculture: A Community ‘Bee Inspired Gardens’ Movement In The Desert Southwest, Usa, Roslynn Brain, Jeffrey Adams, Jeremy Lynch
Mitigating Projected Impacts Of Climate Change And Building Resiliency Through Permaculture: A Community ‘Bee Inspired Gardens’ Movement In The Desert Southwest, Usa, Roslynn Brain, Jeffrey Adams, Jeremy Lynch
Environment and Society Faculty Publications
Permaculture, an integrative design process creating resilient and productive landscapes and communities, can serve as a useful mitigation tool for projected climate change impacts. In the United States, the desert southwest town of Moab, Utah, has employed permaculture design in a community initiative called ‘Bee Inspired Gardens.’ This initiative has harnessed social capital to create resilient landscapes demonstrating pollinator health, water conservation, and perennial food and forage systems. Bee Inspired Gardens have been designed at a University, middle school, charter school, Bureau of Land Management property, hotel, public park, environmental education non-profit, and more. Community members are now harvesting fruit …
Seasonal Resource Selection And Habitat Treatment Use By A Fringe Population Of Greater Sage-Grouse, Rhett Boswell
Seasonal Resource Selection And Habitat Treatment Use By A Fringe Population Of Greater Sage-Grouse, Rhett Boswell
All Graduate Plan B and other Reports, Spring 1920 to Spring 2023
Movement and habitat selection by Greater Sage-grouse (Centrocercus uropasianus) is of great interest to wildlife managers tasked with applying conservation measures for this iconic western species. Current technology has created small and lightweight GPS (Global Positioning Systems) transmitters that can be attached to sage-grouse. Using GIS software and statistical programs such as Program R, land managers can analyze GPS location data to assess how sage-grouse are geospatially interacting with their habitats. Within the Panguitch Sage-Grouse Management Area (SGMA) thousands of acres of land have been restored or manipulated to enhance sage-grouse habitat; this usually involves removal of pinyon pine …
The Value Of Native Plants And Local Production In An Era Of Global Agriculture, Oren Shelef, Peter J. Weisberg, Frederick D. Provenza
The Value Of Native Plants And Local Production In An Era Of Global Agriculture, Oren Shelef, Peter J. Weisberg, Frederick D. Provenza
Wildland Resources Faculty Publications
For addressing potential food shortages, a fundamental tradeoff exists between investing more resources to increasing productivity of existing crops, as opposed to increasing crop diversity by incorporating more species. We explore ways to use local plants as food resources and the potential to promote food diversity and agricultural resilience. We discuss how use of local plants and the practice of local agriculture can contribute to ongoing adaptability in times of global change. Most food crops are now produced, transported, and consumed long distances from their homelands of origin. At the same time, research and practices are directed primarily at improving …
3d Photogrammetry Quantifies Growth And External Erosion Of Individual Coral Colonies And Skeletons, Renata Ferrari, Will F. Figueira, Morgan S. Pratchett, Tatiana Boube, Arne Adam, Tania Kobelkowsky-Vidrio, Steve S. Doo, Trisha Brooke Atwood, Maria Byrne
3d Photogrammetry Quantifies Growth And External Erosion Of Individual Coral Colonies And Skeletons, Renata Ferrari, Will F. Figueira, Morgan S. Pratchett, Tatiana Boube, Arne Adam, Tania Kobelkowsky-Vidrio, Steve S. Doo, Trisha Brooke Atwood, Maria Byrne
Watershed Sciences Faculty Publications
Growth and contraction of ecosystem engineers, such as trees, influence ecosystem structure and function. On coral reefs, methods to measure small changes in the structure of microhabitats, driven by growth of coral colonies and contraction of skeletons, are extremely limited. We used 3D reconstructions to quantify changes in the external structure of coral colonies of tabular Acropora spp., the dominant habitat-forming corals in shallow exposed reefs across the Pacific. The volume and surface area of live colonies increased by 21% and 22%, respectively, in 12 months, corresponding to a mean annual linear extension of 5.62 cm yr−1 (±1.81 SE). …
Rancher Perceptions Of Ecosystem Services From Rangelands Of The Intermountain West, Elisabeth C. York
Rancher Perceptions Of Ecosystem Services From Rangelands Of The Intermountain West, Elisabeth C. York
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Rangelands within the Great Basin are responsible for the provision of multiple resources that humans depend on for a variety of reasons. Ranchers in this region are dependent on public lands to remain economically viable in their cattle operations. As a majority of land in this region is publically owned, there are varying interests at play in what should and could be the focus of management. Ranchers are charged with implementing strategies aimed at conserving these landscapes and their motivations for what to manage may significantly influence resource provision from Intermountain West ecosystem.
In this study, I sought to understand …
Longitudinal Thermal And Solute Dynamics In Regulated Rivers, Muhammad Rezaul Haider
Longitudinal Thermal And Solute Dynamics In Regulated Rivers, Muhammad Rezaul Haider
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Dam releases increase river stage and can reverse groundwater movement into and out of the river. As the flood, thermal, and solute waves travel downstream in a regulated river, the size of the waves is anticipated to be affected both by river processes and exchanges with near river groundwater. This study established a modeling framework to quantify the influences of the groundwater exchanges on the temperatures and solute concentration dynamics along regulated rivers. The wave properties, volume of exchanges, conservative solute mass exchanges, and heat energy exchanges were calculated as a function of time and distance downstream. Results show that …
Exploring And Describing The Spatial And Temporal Dynamics Of Medusahead In The Channeled Scablands Of Eastern Washington Using Remote Sensing Techniques, Timothy M. Bateman
Exploring And Describing The Spatial And Temporal Dynamics Of Medusahead In The Channeled Scablands Of Eastern Washington Using Remote Sensing Techniques, Timothy M. Bateman
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Medusahead is a harmful weed that is invading public lands in the West. The invasion is a serious concern to the public because it can reduce forage for livestock and wildlife, increase fire frequency, alter important ecosystem cycles (like water), reduce recreational activities, and produce landscapes that are aesthetically unpleasing. Invasions can drive up costs that generally require taxpayer’s dollars. Medusahead seedlings typically spread to new areas by attaching itself to passing objects (e.g. vehicles, animals, clothing) where it can quickly begin to affect plants communities. To be effective, management plans need to be sustainable, informed, and considerate to invasion …
Optimizing Barrier Removal To Restore Connectivity In Utah’S Weber Basin, Maggi Kraft
Optimizing Barrier Removal To Restore Connectivity In Utah’S Weber Basin, Maggi Kraft
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
River barriers, such as dams, culverts and diversions are important for water conveyance, but disrupt river ecosystems and hydrologic processes. River barrier removal is increasingly used to restore and improve river habitat and connectivity. Most past barrier removal projects prioritized individual barriers using score-and-rank techniques, neglecting the spatial structure and cumulative change from multiple barrier removals. Similarly, most water demand models satisfy human water uses or, only prioritize aquatic habitat, failing to include both human and environmental water use benefits. In this study, a dual objective optimization model identified in-stream barriers that impede quality-weighted aquatic habitat connectivity for Bonneville cutthroat …
Twentieth Century Channel Change Of The Green River In Canyonlands National Park, Utah, Alexander E. Walker
Twentieth Century Channel Change Of The Green River In Canyonlands National Park, Utah, Alexander E. Walker
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Since the early 20th century, river channels of the Colorado River basin have narrowed, decreasing available riparian and aquatic habitat. Changes are considered to be the result of three major factors: wide-spread water development, increasing hydroclimate variability and the invasion of non-native tamarisk (Tamarix spp.), altering flow regime and sediment supply. Different studies have reached different conclusions about the relative roles of flow regime, sediment supply and tamarisk in causing narrowing.
I investigated channel change in the lower Green River within Canyonlands National Park to describe channel changes in the 20th century and understand the roles …
Stream Temperature Monitoring And Modeling To Inform Restoration: A Study Of Thermal Variability In The Western Us, Jessica R. Wood
Stream Temperature Monitoring And Modeling To Inform Restoration: A Study Of Thermal Variability In The Western Us, Jessica R. Wood
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Water temperature is an important variable for aquatic ecosystems. Salmonid population numbers and distribution are heavily influenced by stream temperature, and there is growing concern about the health of salmonid populations with anticipated climate change. Managers are looking to efficiently evaluate options to maintain stream temperatures needed by salmonids. This study evaluated and compared stream temperature restoration alternatives in two streams with warm temperatures using stream temperature monitoring and modeling.
The first study identified pockets of cold water that are important to native fish species in Nevada’s Walker River. Comparison of monitoring results with existing basin-scale model outputs identified two …
Foundations Of Translational Ecology, Carolyn Af Enquist, Stephen T. Jackson, Gregg M. Garfin, Frank W. Davis, Leah R. Gerber, Jeremy A. Littell, Jennifer L. Tank, Adam J. Terando, Tamara U. Wall, Benjamin Halpern, J. Kevin Hiers, Toni Kyn Morelli, Elizabeth Mcnie, Nathan L. Stephenson, Matthew A. Williamson, Connie A. Woodhouse, Laurie Yung, Mark W. Brunson, Kimberly R. Hall, Lauren M. Hallett, Dawn M. Lawson, Max A. Mortiz, Koren Nydick, Amber Pairis, Andrea J. Ray, Claudia Regan, Hugh D. Safford, Mark W. Schwartz, M. Rebecca Shaw
Foundations Of Translational Ecology, Carolyn Af Enquist, Stephen T. Jackson, Gregg M. Garfin, Frank W. Davis, Leah R. Gerber, Jeremy A. Littell, Jennifer L. Tank, Adam J. Terando, Tamara U. Wall, Benjamin Halpern, J. Kevin Hiers, Toni Kyn Morelli, Elizabeth Mcnie, Nathan L. Stephenson, Matthew A. Williamson, Connie A. Woodhouse, Laurie Yung, Mark W. Brunson, Kimberly R. Hall, Lauren M. Hallett, Dawn M. Lawson, Max A. Mortiz, Koren Nydick, Amber Pairis, Andrea J. Ray, Claudia Regan, Hugh D. Safford, Mark W. Schwartz, M. Rebecca Shaw
Environment and Society Faculty Publications
Ecologists who specialize in translational ecology (TE) seek to link ecological knowledge to decision making by integrating ecological science with the full complement of social dimensions that underlie today's complex environmental issues. TE is motivated by a search for outcomes that directly serve the needs of natural resource managers and decision makers. This objective distinguishes it from both basic and applied ecological research and, as a practice, it deliberately extends research beyond theory or opportunistic applications. TE is uniquely positioned to address complex issues through interdisciplinary team approaches and integrated scientist–practitioner partnerships. The creativity and context-specific knowledge of resource managers, …
Developing A Translational Ecology Workforce, Mark W. Schwarts, J. Kevin Hiers, Frank W. Davis, Gregg M. Garfin, Stephen T. Jackson, Adam J. Terando, Connie A. Woodhouse, Toni Lyn Morelli, Matthew A. Williamson, Mark W. Brunson
Developing A Translational Ecology Workforce, Mark W. Schwarts, J. Kevin Hiers, Frank W. Davis, Gregg M. Garfin, Stephen T. Jackson, Adam J. Terando, Connie A. Woodhouse, Toni Lyn Morelli, Matthew A. Williamson, Mark W. Brunson
Environment and Society Faculty Publications
We define a translational ecologist as a professional ecologist with diverse disciplinary expertise and skill sets, as well as a suitable personal disposition, who engages across social, professional, and disciplinary boundaries to partner with decision makers to achieve practical environmental solutions. Becoming a translational ecologist requires specific attention to obtaining critical non-scientific disciplinary breadth and skills that are not typically gained through graduate-level education. Here, we outline a need for individuals with broad training in interdisciplinary skills, use our personal experiences as a basis for assessing the types of interdisciplinary skills that would benefit potential translational ecologists, and present steps …
Phenology Largely Explains Taller Grass At Successful Nests In Greater Sage-Grouse, Joseph T. Smith, Jason D. Tack, Kevin Doherty, Brady W. Allred, Jeremy D. Maestas, Lorelle I. Berkeley, Seth J. Dettenmaier, Terry A. Messmer, David E. Naugle
Phenology Largely Explains Taller Grass At Successful Nests In Greater Sage-Grouse, Joseph T. Smith, Jason D. Tack, Kevin Doherty, Brady W. Allred, Jeremy D. Maestas, Lorelle I. Berkeley, Seth J. Dettenmaier, Terry A. Messmer, David E. Naugle
Wildland Resources Faculty Publications
Much interest lies in the identification of manageable habitat variables that affect key vital rates for species of concern. For ground-nesting birds, vegetation surrounding the nest may play an important role in mediating nest success by providing concealment from predators. Height of grasses surrounding the nest is thought to be a driver of nest survival in greater sage-grouse (Centrocercus urophasianus; sage-grouse), a species that has experienced widespread population declines throughout their range. However, a growing body of the literature has found that widely used field methods can produce misleading inference on the relationship between grass height and nest success. Specifically, …
Ncer Assistance Agreement Annual Progress Report For Grant #83582401 - Assessment Of Stormwater Harvesting Via Manage Aquifer Recharge (Mar) To Develop New Water Supplies In The Arid West: The Salt Lake Valley Example, Ryan Dupont, Joan E. Mclean, Richard C. Peralta, Sarah E. Null, Douglas B. Jackson-Smith
Ncer Assistance Agreement Annual Progress Report For Grant #83582401 - Assessment Of Stormwater Harvesting Via Manage Aquifer Recharge (Mar) To Develop New Water Supplies In The Arid West: The Salt Lake Valley Example, Ryan Dupont, Joan E. Mclean, Richard C. Peralta, Sarah E. Null, Douglas B. Jackson-Smith
Civil and Environmental Engineering Faculty Publications
The aims of the original proposed project remain the same, that is, to test the hypothesis that Managed Aquifer Recharge (MAR) for stormwater harvesting is a technically feasible, socially and environmentally acceptable, economically viable, and legally feasible option for developing new water supplies for arid Western urban ecosystems experiencing increasing population, and climate change pressures on existing water resources. The project is being carried out via three distinct but integrated components that include: 1) Monitoring of existing distributed MAR harvesting schemes involving a growing number of demonstration Green Infrastructure (GI) test sites; 2) Integrated stormwater/vadose zone/groundwater/ ecosystem services modeling; and …
Apathy And Concern Over The Future Habitability Of Earth: An Introductory College Assignment Of Forecasting Co2 In The Earth’S Atmosphere, Benjamin J. Burger
Apathy And Concern Over The Future Habitability Of Earth: An Introductory College Assignment Of Forecasting Co2 In The Earth’S Atmosphere, Benjamin J. Burger
Journal on Empowering Teaching Excellence
Non-science, first year regional undergraduate students from rural Utah communities participated in an online introductory geology course and were asked to forecast the rise of CO2 in the Earth’s atmosphere. The majority of students predicted catastrophic rise to 5,000-ppm sometime over the next 3,100 years, resulting in an atmosphere nearly uninhabitable to human life. However, the level of concern the students exhibited in their answers was not directly proportional with their timing in their forecasted rise of CO2. This study showcases the importance of presenting students with actual data and using data to develop student forecasted models. …
Food Habits And Anthropogenic Supplementation In Coyote Diets Along An Urban-Rural Gradient, Erica Santana, Jim Armstrong
Food Habits And Anthropogenic Supplementation In Coyote Diets Along An Urban-Rural Gradient, Erica Santana, Jim Armstrong
Human–Wildlife Interactions
Coyotes are recent colonists of the Southeast and have broadened their niche to include exploitation of urban areas. The aim of this study was to examine diet of coyotes inhabiting areas of differential development by humans and assess prevalence of anthropogenic feeding, to detect a possible shift in dietary trends. In urban, exurban, and rural areas of east-central Alabama, 159 fecal samples were collected and examined to reconstruct the diet. Consumption of anthropogenic food did not vary significantly along an urban-rural gradient and foods consumed were similar among habitats. While results of this study can provide insight to guide decisions …
Relational Values Resonate Broadly And Differently Than Intrinsic Or Instrumental Values, Or The New Ecological Paradigm, Sarah Klain, Paige Olmsted, Kai M. A. Chan, Terre Satterfield
Relational Values Resonate Broadly And Differently Than Intrinsic Or Instrumental Values, Or The New Ecological Paradigm, Sarah Klain, Paige Olmsted, Kai M. A. Chan, Terre Satterfield
Environment and Society Faculty Publications
Value orientations used to explain or justify conservation have been rooted in arguments about how much and in what context to emphasize the intrinsic versus instrumental value of nature. Equally prominent are characterizations of beliefs known as the New Ecological Paradigm (NEP), often used to help explain pro-environmental behaviour. A recent alternative to these positions has been identified as ‘relational value’—broadly, values linking people and ecosystems via tangible and intangible relationships to nature as well as the principles, virtues and notions of a good life that may accompany these. This paper examines whether relational values are distinct from other value …
Stratigraphy Of The Middle Cambrian Lincoln Peak Formation And Evolution Of The House Range Embayment, Eastern Nevada, Ibrahim Zallum
Stratigraphy Of The Middle Cambrian Lincoln Peak Formation And Evolution Of The House Range Embayment, Eastern Nevada, Ibrahim Zallum
All Graduate Plan B and other Reports, Spring 1920 to Spring 2023
This study examined the Middle Cambrian (c. 500 MA) Lincoln Peak Formation and Patterson Pass Shale. The initial goal was to create a stratigraphic model for these units. This model was then compared to those from already studied units in western Utah, which combined with the Nevada units form the rock record of an ancient feature known as the House Range Embayment, which was an area of greater water depth superimposed on the continental shelf. This study found that the Nevada units exhibit a series of depositional sequences similar to those in western Utah, but at a lower resolution. This …
Quantifying Riverbed Sediment Using Recreational-Grade Side Scan Sonar, Daniel Hamill
Quantifying Riverbed Sediment Using Recreational-Grade Side Scan Sonar, Daniel Hamill
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The Colorado River in Glen, Marble, and Grand Canyons is subject to a complex regulatory framework, including the Colorado River Compact, the Endangered Species Act, and the Grand Canyon Protection Act of 1992. Physical, biological, and cultural resources are extensively monitored by the Glen Canyon Dam Adaptive Management Program (GCDAMP) to assess the effect of Glen Canyon Dam (GCD) operations on the downstream environment. The GCDAMP consists of a diverse group of stakeholders who identify priority resources and agree upon water releases at GCD. Large expenditures of money have been devoted to monitoring physical and biological resources in Grand Canyon. …
Fluxes Of Methane, Non-Methane Hydrocarbons And Carbon Dioxide From Natural Gas Well Pad Soils In Eastern Utah, Seth Lyman
Browse all Datasets
We measured fluxes of methane, non-methane hydrocarbons, and carbon dioxide from natural gas well pad soils and from nearby undisturbed soils in eastern Utah. Methane fluxes varied from less than zero to more than 38,000 mg m-2 h-1. Fluxes from well pad soils were almost always greater than from undisturbed soils. Fluxes were greater from locations with higher concentrations of total combustible gas in soil and were inversely correlated with distance from well heads. Several lines of evidence show that the majority of emission fluxes (about 70%) were due to subsurface sources of raw gas that migrated to the atmosphere, …
Intraspecific Variation And Ecosystem Function: Implications For More Effective Post-Restoration Monitoring, Donald J. Benkendorf, Howard H. Whiteman
Intraspecific Variation And Ecosystem Function: Implications For More Effective Post-Restoration Monitoring, Donald J. Benkendorf, Howard H. Whiteman
Watershed Sciences Student Research
The effectiveness of stream restoration is often measured by the recolonization of certain focal species. However, important information regarding intraspecific variation (e.g. size structure) of these species is often ignored. Recent research suggests that intraspecific variation such as body size can have profound effects on food web dynamics and ecosystem functioning. Specifically, intraspecific predator size variation has been posited as a major determinant of a species’ ability to control lower trophic levels and even has the potential to alter trophic cascade intensity. The importance of predator feeding strategy (e.g. omnivory) and changes with body size may also be an important …
Relative Selection Strength: Quantifying Effectsize In Habitat- And Step-Selection Inference, Tal Avgar, Subhash R. Lele, Jonah L. Keim, Mark S. Boyce
Relative Selection Strength: Quantifying Effectsize In Habitat- And Step-Selection Inference, Tal Avgar, Subhash R. Lele, Jonah L. Keim, Mark S. Boyce
Wildland Resources Faculty Publications
Habitat-selection analysis lacks an appropriate measure of the ecological significance of the statistical estimates-a practical interpretation of the magnitude of the selection coefficients. There is a need for a standard approach that allows relating the strength of selection to a change in habitat conditions across space, a quantification of the estimated effect size that can be compared both within and across studies. We offer a solution, based on the epidemiological risk ratio, which we term the relative selection strength (RSS). For a "used-available" design with an exponential selection function, the RSS provides an appropriate interpretation of the magnitude of the …
The Relationship Between Species Richness And Ecosystem Variability Is Shaped By The Mechanism Of Coexistence, Andrew T. Tredennick, Peter B. Adler, Frederick R. Adler
The Relationship Between Species Richness And Ecosystem Variability Is Shaped By The Mechanism Of Coexistence, Andrew T. Tredennick, Peter B. Adler, Frederick R. Adler
Wildland Resources Faculty Publications
Theory relating species richness to ecosystem variability typically ignores the potential for environmental variability to promote species coexistence. Failure to account for fluctuation-dependent coexistence may explain deviations from the expected negative diversity–ecosystem variability relationship, and limits our ability to predict the consequences of increases in environmental variability. We use a consumer-resource model to explore how coexistence via the temporal storage effect and relative nonlinearity affects ecosystem variability. We show that a positive, rather than negative, diversity–ecosystem variability relationship is possible when ecosystem function is sampled across a natural gradient in environmental variability and diversity. We also show how fluctuation-dependent coexistence …
Piping Water From Rural Counties To Fuel Growth In Las Vegas, Nevada: Water Transfer Risks In The Arid Usa West, Lisa Welsh, Joanna Endter-Wada
Piping Water From Rural Counties To Fuel Growth In Las Vegas, Nevada: Water Transfer Risks In The Arid Usa West, Lisa Welsh, Joanna Endter-Wada
Environment and Society Faculty Publications
The Southern Nevada Water Authority (SNWA) plans to build a 300-mile pipeline to transfer groundwater from five rural basins in north-eastern Nevada south to the greater Las Vegas metropolitan area. Relying on the path dependence literature, we trace the policy choices and legal battles that have led to southern Nevada’s proposed Groundwater Development Project. We find that policy decisions over time, often initiated by powerful water policy entrepreneurs, have fuelled southern Nevada’s rapid growth and development. After emphasising water demand management for more than two decades, SNWA has revived its controversial plans to increase water supplies by importing water from …
Community Supported Agriculture At Indian Creek Nature Center's Sugar Grove Farm: Sustainable Farming For Iowa, Erin Anzalone
Community Supported Agriculture At Indian Creek Nature Center's Sugar Grove Farm: Sustainable Farming For Iowa, Erin Anzalone
All Graduate Plan B and other Reports, Spring 1920 to Spring 2023
Agriculture is the largest revenue source for the state of Iowa and the state’s two priority crops are corn and soybeans. Farming practices that emphasize monoculture production of these crops can reduce biological diversity and habitat for all-important pollinators, and exacerbate runoff and erosion that sends nutrient-rich soil, herbicides, and pesticides into streams and rivers. The industrial agriculture model is lucrative now, but unsustainable for Iowa over the long run. Sugar Grove Farm, a subset of Indian Creek Nature Center (ICNC), plans to grow a variety of food crops on a large-scale, economically sustainable farm, and support low-income households in …
Management Of Predators, Prey, And Aviation Safety At Naval Air Station Patuxent River, Maryland: Can Coyotes Help Reduce Deer Strike Hazards?, Robert Lewis
All Graduate Plan B and other Reports, Spring 1920 to Spring 2023
In the past 100 years, coyotes (Canis latrans) have expanded their range eastward. During their expansion, coyotes hybridized with gray wolves (Canis lupus) in the north and red wolves (Canis rufus) in the south. Coyotes were historically occupants of the plains, but now may be found in environments as varied as the sagebrush steppe, deserts, swamps, and inner cities. St. Mary’s County, MD, home to Naval Air Station Patuxent River (Pax River), was one of the last counties in the country to be colonized by coyotes. Pax River is a research and development/flight test and evaluation center, and houses numerous …
Great Basin Bristlecone Pine Resistance To Mountain Pine Beetle: An Evaluation Of Dendroctonus Ponderosae Host Selection Behavior And Reproductive Success In Pinus Longaeva, Erika L. Eidson
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The mountain pine beetle (Dendroctonus ponderosae) is a native bark beetle that attacks and kills most species of pines (Pinus) throughout its range in western North America. Due to the strong relationship between thermal conditions and mountain pine beetle population success, climate change-induced changes in mountain pine beetle outbreaks are a major concern for land managers. Over the past several decades, warmer than average temperatures allowed mountain pine beetle populations to reach epidemic levels across much of the western U.S. and Canada, including high elevations where outbreaks were previously limited by cool temperatures. Many high-elevation pine …
Inventory, Assessment And Preliminary Management Planning For Utah's Sovereign Land Along The Bear River, Matthew Coombs
Inventory, Assessment And Preliminary Management Planning For Utah's Sovereign Land Along The Bear River, Matthew Coombs
All Graduate Plan B and other Reports, Spring 1920 to Spring 2023
ABSTRACT
Inventory, Assessment and Preliminary Management Planning for
Utah’s Sovereign Land along the Bear River
by
Matthew S. Coombs
Master of Science in Bioregional Planning
Utah State University, 2017
Major Professor: Richard E. Toth
Department: Environment and Society
The Utah Division of Forestry, Fire and State Lands (FFSL) is responsible for the management of state-owned sovereign land in Utah, which includes the bed and banks of the Bear River in Cache and Box Elder Counties. The purpose of this project is to provide relevant background information and data to support the future development of a comprehensive management plan for the …
Effect Of Foliage And Root Carbon Quantity, Quality, And Fluxes On Soil Organic Carbon Stabilization In Montane Aspen And Conifer Stands In Utah, Antra Boča
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Soil organic carbon (SOC) positively affects many soil properties (e.g., fertility and water holding capacity), and the amount of carbon (C) in soil exceeds the amount in the atmosphere by about three times. Forest soils store as much C as is found in trees. Tree species differ in their effect on SOC pools. Quaking aspen forests in the Western US often store more stable SOC in the mineral soil than nearby conifers. During the last decades a decline in aspen cover, often followed by conifer encroachment, has been documented. A shift from aspen to conifer overstories may negatively affect the …
Spatial And Behavioral Patterns Of Captive Coyotes, Jeffrey T. Schultz
Spatial And Behavioral Patterns Of Captive Coyotes, Jeffrey T. Schultz
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Environmental enrichment is a technique used at many captive animal facilities that can improve the well-being of their animals. It seeks to enhance habitat features and promote natural behavior by providing a variety of practical ways for captive animals to control their environmental settings, especially during stressful circumstances. Enclosure features, such as shelter structures, are one tool that promotes wild behavior by adding complexity to an enclosure’s physical environment. Enrichment efforts for captive wildlife are most effective when they are specialized to the biological needs of the animals. Human activity may alter captive animal behavior and utility of enclosure features, …