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Articles 241 - 270 of 8565
Full-Text Articles in Physical Sciences and Mathematics
Developing A Slow-Release Permanganate Composite For Degrading Aquaculture Antibiotics, Chainarong Sakulthaew, Chanat Chokejaroenrat, Sidaporn Panya, Apisit Songsasen, Kitipong Poomipuen, Saksit Imman, Nopparat Suriyachai, Torpong Kreetachat, Steven Comfort
Developing A Slow-Release Permanganate Composite For Degrading Aquaculture Antibiotics, Chainarong Sakulthaew, Chanat Chokejaroenrat, Sidaporn Panya, Apisit Songsasen, Kitipong Poomipuen, Saksit Imman, Nopparat Suriyachai, Torpong Kreetachat, Steven Comfort
School of Natural Resources: Faculty Publications
Copious use of antibiotics in aquaculture farming systems has resulted in surface water contamination in some countries. Our objective was to develop a slow-release oxidant that could be used in situ to reduce antibiotic concentrations in discharges from aquaculture lagoons. We accomplished this by generating a slow-release permanganate (SR-MnO4-) that was composed of a biodegradable wax and a phosphate-based dispersing agent. Sulfadimethoxine (SDM) and its synergistic antibiotics were used as representative surrogates. Kinetic experiments verified that the antibiotic-MnO4- reactions were first-order with respect to MnO4- and initial antibiotic concentration (second-order rates: 0.056–0.128 s …
The Association Between Drought Exposure And Respiratory-Related Mortality In The United States From 2000 To 2018, Yeongjin Gwon, Yuanyuan Ji, Jesse E. Bell, Azar M. Abadi, Jesse D. Berman, Austin Rau, Ronald D. Leeper, Jared Rennie
The Association Between Drought Exposure And Respiratory-Related Mortality In The United States From 2000 To 2018, Yeongjin Gwon, Yuanyuan Ji, Jesse E. Bell, Azar M. Abadi, Jesse D. Berman, Austin Rau, Ronald D. Leeper, Jared Rennie
Daugherty Water for Food Global Institute: Faculty Publications
Climate change has brought increasing attention to the assessment of health risks associated with climate and extreme events. Drought is a complex climate phenomenon that has been increasing in frequency and severity both locally and globally due to climate change. However, the health risks of drought are often overlooked, especially in places such as the United States, as the pathways to health impacts are complex and indirect. This study aims to conduct a comprehensive assessment of the effects of monthly drought exposure on respiratory mortality for NOAA climate regions in the United States from 2000 to 2018. A two-stage model …
Coupling Dendroecological And Remote Sensing Techniques To Assess The Biophysical Traits Of Juniperus Virginiana And Pinus Ponderosa Within The Semi-Arid Grasslands Of The Nebraska Sandhills, R. Allen, Anastasios Mazis, Brian Wardlow, P. Cherubini, J. Hiller, David A. Wedin, Tala Awada
Coupling Dendroecological And Remote Sensing Techniques To Assess The Biophysical Traits Of Juniperus Virginiana And Pinus Ponderosa Within The Semi-Arid Grasslands Of The Nebraska Sandhills, R. Allen, Anastasios Mazis, Brian Wardlow, P. Cherubini, J. Hiller, David A. Wedin, Tala Awada
School of Natural Resources: Faculty Publications
Woody species encroachment is occurring within the semi-arid grasslands of the Nebraska Sandhills U.S., primarily driven by native Juniperus virginiana and Pinus ponderosa, altering ecosystems and the services they provide. Effective, low cost, and cross-scale monitoring of woody species growth and performance is necessary for integrated grassland and forest management in the face of climate variability and change. In this study, we sought to establish a relationship between remote sensing-derived vegetation indices (VIs), tree dendrochronological (raw and standardized tree ring width) measurements, and the abiotic environment [(precipitation, temperature, Palmer Drought Severity Index (PDSI), and soil water content (0–300 cm …
Review Of Toxicity Of Agricultural Chemicals And Implications For Aquatic Fauna Of The Keep River, Samanatha Reynolds, David Morgan
Review Of Toxicity Of Agricultural Chemicals And Implications For Aquatic Fauna Of The Keep River, Samanatha Reynolds, David Morgan
Natural resources commissioned reports
This report was compiled for the Western Australian Department of Primary Industries and Regional Development (DPIRD) as part of the National Water Grid Authority (NWGA) project entitled “Managing water quality to enable future irrigation development in the Kimberley Region, WA”. The purpose of this report is to review the toxicity of farm chemicals (herbicides and insecticides) used by farm operators in the Keep River catchment and their potential impacts on the aquatic species in the river, in particular those species that are listed under the Environment Protection and Biodiversity Conservation Act 1999. It is designed to complement the report entitled …
Report On And Recommendations Arising From The Visit Of Dr Michael Warne (University Of Queensland) And Robert Sluggett To Kununurra, Michael Warne Dr, Rob Sluggett
Report On And Recommendations Arising From The Visit Of Dr Michael Warne (University Of Queensland) And Robert Sluggett To Kununurra, Michael Warne Dr, Rob Sluggett
Natural resources commissioned reports
Dr Michael Warne of the Reef Catchments Science Partnership and Robert Sluggett of Farmacist Pty Ltd were invited by Richard George of Department of Primary Industries and Regional Development (DPIRD) to visit Kununurra, Western Australia.
The project was financially supported by the National Water Grid Authority project “Managing water quality to enable future irrigation development in the Kimberley Region”. The aim of the visit was for Dr Warne and Rob Sluggett to engage with farmers, key stakeholders and staff from DPIRD in order to understand the agriculture and water quality in the Ord and Keep river region; and to share …
Public-Ish, Aliah Werth
Public-Ish, Aliah Werth
Masters Theses
Climate change affects public space, and architecture must establish tenets that prioritize pedestrians in this difficult era. Greywater re-use can be a mechanism for creating shade, and in turn, public space.
As heat waves grow more intense, the vast swaths of asphalt that connect commercial zones pose greater risks to public health and to urban vitality. This thesis records the typical material, spatial, and lived conditions of strip malls in urban heat islands, and demands more from infrastructure in public-ish space.
Heat violence weaves through Los Angeles’ built form. Parking space minimums, required setbacks, and height restrictions pull buildings away …
Natural Resource Management Newsletter, June 2023, Department Of Natural Resource Management
Natural Resource Management Newsletter, June 2023, Department Of Natural Resource Management
NRM Newsletter
Page 1: Departmental Faculty and Staff, and Dean's Message
Page 2: NRM Newbies
Page 3: Emeriti Publications and Award, Donor Obituary, Recent Graduate News, and Ten Year Service Award
Page 4: Donor News
Page 5: Sampling of Faculty and Staff Activities & Recognition
Page 6: Sampling of Graduate Students Activities
Page 7: Sampling of Undergraduate Students Activities
Page 8: Club Activities
Page 9: NRM Events
Page 10: Opportunities to Support NRM
Can Upscaling Ground Nadir Sif To Eddy Covariance Footprint Improve The Relationship Between Sif And Gpp In Croplands?, Genghong Wu, Kaiyu Guan, Chongya Jiang, Hyungsuk Kimm, Guofang Miao, Xi Yang, Carl J. Bernacchi, Xiangmin Sun, Andrew E. Suyker, Caitlin E. Moore
Can Upscaling Ground Nadir Sif To Eddy Covariance Footprint Improve The Relationship Between Sif And Gpp In Croplands?, Genghong Wu, Kaiyu Guan, Chongya Jiang, Hyungsuk Kimm, Guofang Miao, Xi Yang, Carl J. Bernacchi, Xiangmin Sun, Andrew E. Suyker, Caitlin E. Moore
School of Natural Resources: Faculty Publications
Ground solar-induced chlorophyll fluorescence (SIF) is important for the mechanistic understanding of the dynamics of vegetation gross primary production (GPP) at fine spatiotemporal scales. However, eddy covariance (EC) observations generally cover larger footprint areas than ground SIF observations (a bare fiber with nadir), and this footprint mismatch between nadir SIF and GPP could complicate the canopy SIF-GPP relationships. Here, we upscaled nadir SIF observations to EC footprint and investigated the change in SIF-GPP relationships after the upscaling in cropland. We included 13 site-years data in our study, with seven site-years corn, four siteyears soybeans, and two site-years miscanthus, all located …
Global Projections Of Flash Drought Show Increased Risk In A Warming Climate, Jordan I. Christian, Elinor R. Martin, Jeffrey B. Basara, Jason C. Furtado, Jason A. Otkin, Lauren E. L. Lowman, Eric D. Hunt, Vimal Mishra, Xiangming Xiao
Global Projections Of Flash Drought Show Increased Risk In A Warming Climate, Jordan I. Christian, Elinor R. Martin, Jeffrey B. Basara, Jason C. Furtado, Jason A. Otkin, Lauren E. L. Lowman, Eric D. Hunt, Vimal Mishra, Xiangming Xiao
School of Natural Resources: Faculty Publications
Flash drought, characterized by unusually rapid drying, can have substantial impact on many socioeconomic sectors, particularly agriculture. However, potential changes to flash drought risk in a warming climate remain unknown. In this study, projected changes in flash drought frequency and cropland risk from flash drought are quantified using global climate model simulations. We find that flash drought occurrence is expected to increase globally among all scenarios, with the sharpest increases seen in scenarios with higher radiative forcing and greater fossil fuel usage. Flash drought risk over cropland is expected to increase globally, with the largest increases projected across North America …
Feral Swine As Indirect Indicators Of Environmental Anthrax Contamination And Potential Mechanical Vectors Of Infectious Spores, Rachel M. Maison, Maggie R. Priore, Vienna R. Brown, Michael Bodenchuk, Bradley R. Borlee, Richard Bowen, Angela M. Bosco-Lauth
Feral Swine As Indirect Indicators Of Environmental Anthrax Contamination And Potential Mechanical Vectors Of Infectious Spores, Rachel M. Maison, Maggie R. Priore, Vienna R. Brown, Michael Bodenchuk, Bradley R. Borlee, Richard Bowen, Angela M. Bosco-Lauth
United States Department of Agriculture Wildlife Services: Staff Publications
U.S. government work
Conflict And Coltan: Resource Extraction And Collision In The Democratic Republic Of The Congo And Venezuela, Jenna Marie Goldblatt
Conflict And Coltan: Resource Extraction And Collision In The Democratic Republic Of The Congo And Venezuela, Jenna Marie Goldblatt
Senior Theses
Resource extraction has played an essential role in shaping human development and is an essential tool for technological improvement. However, resource extraction is also inherently exploitative of the environment, and therefore of people. This paper evaluates the relationship between Coltan, a mineral necessary for the creation of electronic capacitors, and the conflict it creates locally, regionally, and internationally through the case studies of the Democratic Republic of the Congo (DRC) and Venezuela. These case studies illustrate the relationship between export and consumption based countries and how this relationship keeps “developing” countries in a never ending cycle of development, and developed …
Conflict And Coltan: Resource Extraction And Collision In The Democratic Republic Of The Congo And Venezuela, Jenna Marie Goldblatt
Conflict And Coltan: Resource Extraction And Collision In The Democratic Republic Of The Congo And Venezuela, Jenna Marie Goldblatt
Student Theses 2015-Present
Resource extraction has played an essential role in shaping human development and is an essential tool for technological improvement. However, resource extraction is also inherently exploitative of the environment, and therefore of people. This paper evaluates the relationship between Coltan, a mineral necessary for the creation of electronic capacitors, and the conflict it creates locally, regionally, and internationally through the case studies of the Democratic Republic of the Congo (DRC) and Venezuela. These case studies illustrate the relationship between export and consumption based countries and how this relationship keeps “developing” countries in a never ending cycle of development, and developed …
Desalination: Adapting To A Changing Climate And An Increasing Demand For Freshwater, Rebecca A. Acosta
Desalination: Adapting To A Changing Climate And An Increasing Demand For Freshwater, Rebecca A. Acosta
Master's Projects and Capstones
The state of California is just one place in the world that is experiencing an increasing demand for freshwater while also experiencing increasingly hotter conditions and longer periods of drought. There are a number of plants slated for development in the state of California but have been met with resistance from the public with concerns regarding their impacts to the surrounding marine environments. This paper provides background on desalination plants, provides evidence for a potential indicator species, identifies potential impacts to marine environments, and addresses stakeholder concerns and perceptions around desalination plants.
Offshore Wind Energy And Seabird Collision Vulnerability In California, Whitney Grover
Offshore Wind Energy And Seabird Collision Vulnerability In California, Whitney Grover
Master's Projects and Capstones
California has ambitious clean energy goals designed to help mitigate the worst outcomes of climate change. Offshore wind is an important part of the solution to meet California’s clean energy goals, but has potential negative impacts on the marine environment. As offshore wind energy is new to California, this paper reviews and synthesizes existing literature from other parts of the world, looking at the real and theoretical risk of seabird collision with offshore wind turbines. Learnings from existing offshore wind projects in the U.K. as well as theoretical and modeled risk assessments are applied to California’s plans to determine the …
Considerations For The Use Of Mycorrhizal Fungi Inoculants In Coal Mine Reclamation And Reforestation In Appalachia: A Guide Of Best Practices And Management Recommendations, Cole Hansen Reistrup
Considerations For The Use Of Mycorrhizal Fungi Inoculants In Coal Mine Reclamation And Reforestation In Appalachia: A Guide Of Best Practices And Management Recommendations, Cole Hansen Reistrup
Master's Projects and Capstones
Nearly all terrestrial plants form symbiotic relationships with mycorrhizal fungi. These beneficial soil microbes support plant health by increasing plants’ access to nutrients and water, protecting them from pathogens, improving soil properties, and more. A challenge to restoring forests on coal mined land in Appalachia is that mine soils are often degraded in a number of ways, including lacking mycorrhizal fungi, which makes mine soils difficult for trees to grow upon. Substantial improvements to coal mine reforestation success have been made since the development of the Forestry Reclamation Approach in 2005 that provides guidelines for how to create a suitable …
Stormwater To Groundwater: How California Can Increase Groundwater Storage And Build Climate Resilience., Emily M. Perales
Stormwater To Groundwater: How California Can Increase Groundwater Storage And Build Climate Resilience., Emily M. Perales
Master's Projects and Capstones
California is predicted to have more intense and frequent changes in weather patterns within the next 50 years. Historical and current groundwater use for residential and agricultural use is unsustainable and is creating significant deficits in groundwater aquifers throughout the state. To better adapt to potential damages caused by atmospheric rivers, better stormwater management and capture could increase California’s Climate adaptability. This study is focused on the means and methods to capture stormwater and increase groundwater recharge. Nature-based infrastructure (NBI), or Green Infrastructure (GI), has been used in urban areas throughout the country to mitigate harmful stormwater effects by replicating …
Increasing Access And Sustainability For Camping Along The Bay Area Ridge Trail, Hannah F. Bartee
Increasing Access And Sustainability For Camping Along The Bay Area Ridge Trail, Hannah F. Bartee
Master's Projects and Capstones
The Bay Area Ridge Trail (Ridge Trail) is a long-distance, multi-use trail that connects parks and open space on the ridge lines encircling the San Francisco Bay (Bay). Like the Pacific Crest Trail and Appalachian Trail, the Ridge Trail offers continuous travel through protected natural areas, but this trail is unique as it is located in a densely populated metropolitan area. The trail is currently incomplete, with gaps where the trail does not connect. The Ridge Trail also lacks the number and distribution of overnight accommodations needed to support a full circumnavigation of the Bay. Addressing gaps in the current …
Revisiting The Definition Of Field Capacity As A Functional Parameter In A Layered Agronomic Soil Profile Beneath Irrigated Maize, Paolo Nasta, Trenton E. Franz, Justin P. Gibson, Nunzio Romano
Revisiting The Definition Of Field Capacity As A Functional Parameter In A Layered Agronomic Soil Profile Beneath Irrigated Maize, Paolo Nasta, Trenton E. Franz, Justin P. Gibson, Nunzio Romano
School of Natural Resources: Faculty Publications
The soil water content at the condition of field capacity (θFC) is a key parameter in irrigation scheduling and has been suggested to be determined by running a synthetic drainage experiment until the flux rate (q) at the bottom of the soil profile achieves a predefined negligible value (qFC). We question the impact of qFC on the assessment of field capacity. Moreover, calculating θFC as the integral mean of the water content profile when q is equal to qFC is strictly valid only for uniform soil profiles. By contrast, …
Approaches And Tools To Solving Complex Problems In Private Land Conservation, John T. Curnyn
Approaches And Tools To Solving Complex Problems In Private Land Conservation, John T. Curnyn
Graduate Student Portfolios, Professional Papers, and Capstone Projects
The central theme throughout my four portfolio pieces is: approaches and tools that can be used to address complex problems involving private land conservation. I consider the broader human and environmental community health to be factors in successful private land conservation. The first portfolio piece examines a number of studies of conservation easements implemented to improve water quality, as well as their utility in avoiding land use conflict. My second portfolio piece is a reflective paper on my experience conducting a stakeholder assessment for the organization OneMontana. The assessment focused on creating a shared understanding of the issues related to …
Connecting Social And Ecological Systems In Small-Scale Fisheries In The Philippines, Sara Eisler Marriott
Connecting Social And Ecological Systems In Small-Scale Fisheries In The Philippines, Sara Eisler Marriott
Dissertations
Nearly 50% of all marine fish capture in the Philippines is from artisanal fisheries, most of which is un- or under-reported. As in many emerging nations around the world, the Philippines cannot fully address overfishing by managing only half of the catch that comes from commercial fisheries. Marine reserves are a popular governance strategy for conservation and of growing interest for fisheries management. Many marine reserves in the Philippines, however, are not considered effective. In 2014, Rare, an international NGO, implemented a community-based management program to increase the effectiveness of the marine reserves, and while it found biomass increased, there …
Trade-Offs Between Temperature And Fitness In Euschistus Heros (Fabricius) (Hemiptera: Pentatomidae): Implications For Mass Rearing And Field Management, Ana Paula Frugeri Barrufaldi, Rafael Hayashida, William Wyatt Hoback, Leon G. Higley, Jose Romario De Carvalho, Regiane Cristina De Oliveira
Trade-Offs Between Temperature And Fitness In Euschistus Heros (Fabricius) (Hemiptera: Pentatomidae): Implications For Mass Rearing And Field Management, Ana Paula Frugeri Barrufaldi, Rafael Hayashida, William Wyatt Hoback, Leon G. Higley, Jose Romario De Carvalho, Regiane Cristina De Oliveira
School of Natural Resources: Faculty Publications
The brown stink bug, Euschistus heros (Fabricius, 1798) (Hemiptera: Pentatomidae), is one of the most abundant soybean stink bug pests in Brazil. Temperature is a key factor that affects its development and reproduction, and fluctuating temperatures may impact the development and reproduction of E. heros differently from those under constant temperatures. The objective of this study was to evaluate the influence of constant and fluctuating temperature on the biological characteristics of E. heros in three successive generations. Treatments consisted of six constant temperatures (19oC, 22oC, 25oC, 28oC, 31oC and 34 …
Optimizing Strategies To Hydraulically Plant Atlantic Salmon Eggs Based On Fry Dispersal Patterns, Ernest J. Atkinson
Optimizing Strategies To Hydraulically Plant Atlantic Salmon Eggs Based On Fry Dispersal Patterns, Ernest J. Atkinson
Electronic Theses and Dissertations
The Gulf of Maine Distinct Population Segment of Atlantic Salmon has suffered from habitat loss and exploitation over the last century. Hatchery supplementation has prevented the extirpation of the species, but stocking methods represent tradeoffs between survival, domestication, and logistics. Egg planting, the use of eyed embryos, maximizes natural rearing opportunities which can be important for adaptation. This method, however, is logistically demanding and requires significant labor over large spatial, but short temporal, scales dictated by the ontogeny of the fish. However, the survival and dispersal behavior of Atlantic Salmon fry immediately after emergence from eggs planted in artificial nests …
Downstream Hydrochemistry And Irrigation Water Quality Of The Syr Darya, Aral Sea Basin, South Kazakhstan, Bagdat Satybaldiyev, Baimurat Ismailov, Nurbek Nurpeisov, Kairat Kenges, Daniel D. Snow, Arindam Malakar, Omirzhan Taukebayev, Bolat Uralbekov
Downstream Hydrochemistry And Irrigation Water Quality Of The Syr Darya, Aral Sea Basin, South Kazakhstan, Bagdat Satybaldiyev, Baimurat Ismailov, Nurbek Nurpeisov, Kairat Kenges, Daniel D. Snow, Arindam Malakar, Omirzhan Taukebayev, Bolat Uralbekov
Daugherty Water for Food Global Institute: Faculty Publications
New hydrochemical measurements from the Syr Darya provide insights into factors affecting the composition and quality of a major freshwater source replenishing the Aral Sea. This river is heavily used for power and irrigation and crosses territories of four Central Asia republics. It is intensely managed, draining several major tributaries, many reservoirs, and numerous irrigation distribution systems and canals. Analysis of seasonal changes in dissolved ion concentrations using geochemical diagrams, elemental ratios, statistical correlation, and equilibrium modeling allowed the characterization of mineral formation processes that control the dissolved chemical composition. Measured water hydrochemistry and composition type differs substantially from previous …
The Role Of Gender And Curiosity On Transformational Leadership: A Mixed-Methods Study, Brooke Colleen Mott
The Role Of Gender And Curiosity On Transformational Leadership: A Mixed-Methods Study, Brooke Colleen Mott
School of Natural Resources: Dissertations, Theses, and Student Research
Environmental leaders are tasked with finding innovative solutions to dynamic environmental challenges. Leaders must gain and use new knowledge and experiences that motivate resolving gaps in one’s knowledge (i.e., curiosity) and thereby find forward-thinking solutions. Although curiosity is an integral part of human existence, it may be experienced in various ways. Studies have shown that men and women may possess different leadership styles. Nevertheless, the influence of curiosity on leadership between genders has not been as readily explored. Women exhibit unique characteristics for successful leadership in many contexts, but they are often underrepresented in natural resource management overall. Characteristics of …
Optimal R&D Investment In The Management Of Invasive Species, William Haden Chomphosy, Dale T. Manning, Stephanie A. Shwiff, Stephan Weiler
Optimal R&D Investment In The Management Of Invasive Species, William Haden Chomphosy, Dale T. Manning, Stephanie A. Shwiff, Stephan Weiler
United States Department of Agriculture Wildlife Services: Staff Publications
Invasive alien species (IAS) threaten world biodiversity, ecosystem services, and economic welfare. While existing literature has characterized the optimal control of an established IAS, it has not considered how research and development (R&D) into new removal methods or technologies can affect management decisions and costs over time. R&D can lower the costs of control in a management plan and creates an intertemporal trade-off between quick but costly control and gradual but cheaper removal over time. In this paper, we develop and solve a continuous time dynamic optimization model to study how investment in R&D influences the optimal control of an …
The Last Drought Frontier: Building A Drought Index For The State Of Alaska, Olivia Campbell
The Last Drought Frontier: Building A Drought Index For The State Of Alaska, Olivia Campbell
School of Natural Resources: Dissertations, Theses, and Student Research
Drought is characterized by periods of below average precipitation. There are five major types of drought recognized in the literature: meteorological, hydrological, agricultural, socioeconomic, and ecological. A relatively new concept in the drought literature is “snow drought.” A key part of the definition of drought is that it is not always accompanied by extreme heat. This means drought can occur even in cold climates, cold seasons, and higher latitudes and altitudes, like Alaska. Drought is a natural part of climate variability, but Alaska’s climate is changing faster than any other state in the United States. Alaska is no stranger to …
Climate Change And Labor Reallocation: Evidence From Six Decades Of The Indian Census, Maggie Liu, Yogita Shamdasani, Vis Taraz
Climate Change And Labor Reallocation: Evidence From Six Decades Of The Indian Census, Maggie Liu, Yogita Shamdasani, Vis Taraz
Environmental Science and Policy: Faculty Publications
No abstract provided.
An Analysis Of Changes In Seasonal Dynamics And Generational Differences In The Maine Lobster Fishery, Emily Fitting
An Analysis Of Changes In Seasonal Dynamics And Generational Differences In The Maine Lobster Fishery, Emily Fitting
Electronic Theses and Dissertations
The American lobster (Homarus americanus) supports the most valuable single species fishery in the US. Lobster landings have been increasing steadily for the last three decades, but before that landings were more variable. The high value of the lobster fishery combined with the decline of other commercially important species in this region has created increasing dependence on the resource, and previous research questions the resilience of the fishery in the face of social and environmental changes.
Important lobster life history processes, including migration patterns, growth rates, and reproduction, are driven by ocean bottom temperature, which creates a strong seasonal cycle …
Multidimensional Investigation Of Tennessee’S Urban Forest, Jillian L. Gorrell
Multidimensional Investigation Of Tennessee’S Urban Forest, Jillian L. Gorrell
Doctoral Dissertations
Preserving existing trees in urban areas and properly cultivating urban forest conservation and management opportunities is valuable to the ever-growing urban environment and necessary for creating optimal experiences and educational tools to meet the needs of increasing urban populations. This dissertation contains studies investigating several facets of the urban forest, including environmental effects of deforestation and urbanization, tree equity, and urban forest facility management and accessibility. Community education and outreach at arboreta about the importance of the tree canopy can help promote environmental stewardship. A digital questionnaire was electronically distributed to representatives of arboreta certified through the Tennessee Division of …
The Transaction Costs Of Federal Environmental Policy Changes: The Effects Of The Temporary Covid-19 Cwa Rollback On Local Water Systems, Jesse Lee Barnes
The Transaction Costs Of Federal Environmental Policy Changes: The Effects Of The Temporary Covid-19 Cwa Rollback On Local Water Systems, Jesse Lee Barnes
UNLV Theses, Dissertations, Professional Papers, and Capstones
An institutional dilemma exists between the Clean Water Act (CWA) and the Safe Drinking Water Act (SDWA). US surface waters are protected from point-source pollution by the CWA. Community Water Systems (CWSs) that draw from these surface waters for potable purposes are required to treat that water to a level that meets SDWA health standards. Therefore, decreases in CWA regulations could lead to surface water quality declines and, thus, higher SDWA compliance costs for CWSs. This area of inquiry has become increasingly relevant due to Trump-era executive actions to try to decrease the federal government's role in multiple environmental policies, …