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Articles 31 - 60 of 88
Full-Text Articles in Natural Resources and Conservation
Drought Perceptions And Management Techniques For Outdoor Recreation In The Great Plains, Lauren Uhlig
Drought Perceptions And Management Techniques For Outdoor Recreation In The Great Plains, Lauren Uhlig
Department of Environmental Studies: Undergraduate Student Theses
Outdoor recreation generates nearly $887 billion dollars in annual consumer spending and improves quality of life by promoting physical activity (Oftedal & Schneider, 2013; Outdoor Industry Association, 2017b). This industry relies heavily on the environment and these societal benefits are at risk as climate fluctuates. Drought is a regular component of the Great Plains climate (Miao et al., 2007) and can alter the landscape, changing the demand for outdoor recreation and creating challenges for managing recreation opportunities (USDA, 2017). This thesis explores the influence of drought on individual’s willingness to participate in outdoor recreation, the variation in that influence across …
How A Changing Climate Impacts Apple Production In Nebraska, Logan Winters
How A Changing Climate Impacts Apple Production In Nebraska, Logan Winters
Department of Environmental Studies: Undergraduate Student Theses
Since the industrial revolution, there has been an exponential increase in global fossil fuel use. This excessive use and burning of fossil fuels has caused a significant increase in carbon dioxide concentrations in our atmosphere. These greater concentrations of carbon dioxide have been found to have a correlation to increasing temperatures on earth as a whole as the concentration of carbon dioxide, along with other fossil fuel emissions, continue to also increase. The end result of this cycle is that we have warming on a global scale which leads to a changing climate.
The fact that the climate is changing …
Critical Wedges And Penetrative Strain: How Does Penetrative Strain Alter The Concept Of A Critical Wedge?, Nicole L. Smith
Critical Wedges And Penetrative Strain: How Does Penetrative Strain Alter The Concept Of A Critical Wedge?, Nicole L. Smith
Department of Environmental Studies: Undergraduate Student Theses
By definition, a critical wedge shows limited internal deformation, and, also by definition, penetrative strain is deformation occurring on a microscale within a deforming rock sequence. Critical wedge theory is typically used to understand the development of fold thrust belts, where variables such as the internal and basal friction, surface taper and dip of the décollement are taken into account. Numerical modeling shows that the minimum stable surface taper is dependent on the basal friction and the overburden, but that there are a range of possible tapers for a stable wedge. This study presents a series of analog models, where …
Hydroponics: Effect Of Ph On Different Cucumber Varieties, Mikaela Krumrei
Hydroponics: Effect Of Ph On Different Cucumber Varieties, Mikaela Krumrei
Department of Environmental Studies: Undergraduate Student Theses
Plants are generally grown using soil as the main medium to supply the essentials necessary for growth, but as population grows and land decreases it is important to expand the knowledge of other growth mediums such as hydroponics. The purpose of this study is to provide information on hydroponic growing systems, specifically how the pH of the water effects cucumber plant growth and if different varieties of cucumber plants may have varying reactions to the pH. The hypothesis was that the plants would grow efficiently at pH of 5.0 and worst at pH of 7.5. This experiment was conducted in …
The Effect Of Land Development In Small Communities On A People's Sense Of Place, Alivia Michalski
The Effect Of Land Development In Small Communities On A People's Sense Of Place, Alivia Michalski
Department of Environmental Studies: Undergraduate Student Theses
Sense of place is an extensively researched concept that refers to the relationship (cultural, economic, societal, spiritual, and physical) between a person and their surroundings. Often a person’s sense of place, or connection to the land, can lead them to develop strong place attachment, or a human-place bond, with certain physical locations. Studies done on place attachment show that people with strong connections to natural areas where they live are more willing to demonstrate environmentally responsible behavior. This kind of behavior is important in the upcoming years, as communities begin to expand, develop more land, and use more resources. In …
Exploring How Animals Are Viewed In Society Over The Past 150 Years Within Classic Chidren's Literary Works, Ambrosia Keefe
Exploring How Animals Are Viewed In Society Over The Past 150 Years Within Classic Chidren's Literary Works, Ambrosia Keefe
Department of Environmental Studies: Undergraduate Student Theses
No abstract provided.
Changes In Plant Phenology In The Central United States In Response To Climate Change, Sarah Fagras
Changes In Plant Phenology In The Central United States In Response To Climate Change, Sarah Fagras
Department of Environmental Studies: Undergraduate Student Theses
Plant phenophases are highly sensitive to changes in temperature, precipitation, and photoperiod and have recently been identified as an indicator of climate change. Flowering time in particular appears to be sensitive to changes in temperature and plants around the world have already been observed flowering earlier than previously recorded. To determine how plants in the Midwest and Great Plains have reacted to climate change from the 1880s to present, 1,926 plant specimens made up of 10 species were examined to determine their phenophase and date of collection for each specimen was recorded. Analysis of these specimens shows that flowering time …
Age Structures And Growth Patterns Of Aplodinotus Grunniens In The Red River Of The North, Manitoba, Canada, Kaitlyn Elder
Age Structures And Growth Patterns Of Aplodinotus Grunniens In The Red River Of The North, Manitoba, Canada, Kaitlyn Elder
Department of Environmental Studies: Undergraduate Student Theses
A fishery and its components are an integral part of society and contribute not only economically, but also socially and physically to the health and well-being of many countries. There are approximately 12.5 million people who are employed in fishery-related careers, and according to the Wildlife and Sport Fish Restoration, there were over 33.1 million people who fished recreationally. To successfully manage a fish population, one must have a well-rounded knowledge about the species and the environment it inhabits. There is very little previous research done on the growth of Aplodinotus grunniens, otherwise known as freshwater drum (FWD), making it …
Proposal To Build A Green Roof On Top Of Hardin Hall On Unl's East Campus, Abbie Andersen
Proposal To Build A Green Roof On Top Of Hardin Hall On Unl's East Campus, Abbie Andersen
Department of Environmental Studies: Undergraduate Student Theses
The purpose of this study is to research the feasibility of implementing more green roofs around The University of Nebraska-Lincoln’s campuses. To do this investigation a systematic literature review process was used gathering multiple relevant, peer reviewed articles from UNL’s “Encore” search engine. The data was then organized into categories that described the necessary considerations that needed to be made to retrofit green roofs, information on their many benefits, and finally the potential energy cost savings that can be obtained through use of a green roof. From here a proposal for a model green roof on top of UNL’s Hardin …
Comparisons Of Drought Institutions Between The U.S. And Korea, Sungbyung Chae
Comparisons Of Drought Institutions Between The U.S. And Korea, Sungbyung Chae
Department of Environmental Studies: Undergraduate Student Theses
Drought occurs in basically dry area around the area of less precipitation but it affects all around the world that can occur anywhere there is a deficit of rainfall from expected levels. This happened by the extreme climate event over land lower precipitation over a period of months to years. This could affect agricultural systems around the world, within food, ecologically atmosphere condition and also the habitation food security. From the developing in the modern technology, since the environment of nature is the basic element of living creature, human would be facing the challenging of agriculture, forestry, fisheries and food …
The Impact Of Urbanization And Land-Use Change In Lincoln, Nebraska, Andrew Rose
The Impact Of Urbanization And Land-Use Change In Lincoln, Nebraska, Andrew Rose
Department of Environmental Studies: Undergraduate Student Theses
This study will take place in Lincoln Nebraska to investigate population density and urban encroachment onto agricultural lands. With urbanization on the rise we will inevitably face land use issues in the future. This research will investigate one strategy on how to build the city of Lincoln while using agriculture as a focal point. Keeping land sparing techniques in mind as we build will be an important component to saving enough land to grow food, shelter, and clothing for a growing population. One important question that will be looked at in this research is how urban expansion has consumed agricultural …
Climate Action Plan Framework For University Of Nebraska-Lincoln, Lila Peterson
Climate Action Plan Framework For University Of Nebraska-Lincoln, Lila Peterson
Department of Environmental Studies: Undergraduate Student Theses
No abstract provided.
Nitrate Contamination And Nitrogen Isotope Compositions In The Bazile Groundwater Management Area - A Water Quality Study. Creighton, Ne, Sydney Corcoran
Nitrate Contamination And Nitrogen Isotope Compositions In The Bazile Groundwater Management Area - A Water Quality Study. Creighton, Ne, Sydney Corcoran
Department of Environmental Studies: Undergraduate Student Theses
Surface water nitrogen contamination is a pervasive issue in Nebraska, and agricultural practices are the main source of nitrogen input to streams (Spalding and Exner, 1993). Nitrate can come from inorganic fertilizers such as anhydrous ammonia, or animal waste. Studies have been conducted on nitrates dating back to 1947 (Addleman, 1985). The Bazile Groundwater Management Area (BGMA) located in northeast Nebraska has historically had high nitrate contamination. This qualitative study assesses the seasonal sources of nitrogen to stream water. It is predicted that the source of input is from commercial synthetic fertilizers. By using nitrogen- oxygen isotope methods, the source …
Resource Assessment Report Western Rock Lobster Resource Of Western Australia. Addendum 1, Simon De Lestang, Jason How, Nick Caputi
Resource Assessment Report Western Rock Lobster Resource Of Western Australia. Addendum 1, Simon De Lestang, Jason How, Nick Caputi
WA Marine Stewardship Council report series
The West Coast Rock Lobster Fishery was certified under the Marine Stewardship Council (MSC) standard in 2000, and was the first fishery in the world to be MSC certified. Since then it has successfully been re-accredited in 2006, 2012 and 2017. This document provides an update on changes to the fishery for annual audits by the MSC certification body and the annual stock assessment update for quota setting of the western rock lobster resource.
How Are University's Handling Dining Hall Food Waste-Unl Study, Macrae Zappala
How Are University's Handling Dining Hall Food Waste-Unl Study, Macrae Zappala
Department of Environmental Studies: Undergraduate Student Theses
One of the biggest challenges with the American food system is that 30-40% of our food is wasted every year (EPA, 2018). There are many reasons why food is being wasted around Universities campuses, and there are many ways to divert that wasted material from the landfill. In 2016, a zero-food waste event was held in Harper dining hall, and they found around 70 pounds a night just from a dinner rush. The main objective is aimed to find out how the University of Nebraska Lincoln (UNL) handles their dining hall food waste. This study will look at what Big …
Barriers Influencing The Success Of Green Teams, Jessica Van Buskirk
Barriers Influencing The Success Of Green Teams, Jessica Van Buskirk
Department of Environmental Studies: Undergraduate Student Theses
This paper summarizes the barriers Green Teams in a variety of settings may face. A survey was sent to members of a Green Team project at the University of Nebraska-Lincoln (UNL) to obtain information on barriers faced in order to compare these barriers to other organizations and businesses barriers. This comparison was done by conducting a thematic analysis, which grouped barriers into themes. The themes were compiled and recommendations on how to overcome those barriers were made. Green Teams have many benefits including waste reduction, increased employee satisfaction, and saving the planet from further damage. This study tries to maximize …
Nitrate Accumulation In The Vadose Zone Of Waverly's Wellhead Protection Area, Cleome Mullison
Nitrate Accumulation In The Vadose Zone Of Waverly's Wellhead Protection Area, Cleome Mullison
Department of Environmental Studies: Undergraduate Student Theses
Agriculturally intensive areas such as Nebraska are faced with a growing threat: groundwater nitrate pollution caused by years of applying nitrogen based fertilizer. Nitrate pollution can be attributed to several factors such as manure from cattle ranching and wastewater plants, but Nebraska’s main threat is derived from years of leached nitrogen fertilizer. When nitrogen fertilizer is applied it has one of several fates: plant uptake, volatilization, leaching or run-off. When nitrates leach beyond the plant root system, they are unable to be absorbed by the plant and ultimately move slowly towards the regional ground water table. While nitrate accumulation in …
Examining The Effects Of Uv On Latex And Nitrile Glove Degradation, Dana Christine Handke
Examining The Effects Of Uv On Latex And Nitrile Glove Degradation, Dana Christine Handke
Department of Environmental Studies: Undergraduate Student Theses
Medical gloves, both nitrile and latex, are used as a protective barrier to limit the spread of disease. Gloves are a single use product and their demand is set to increase by 9 to10 percent each year. In 2008, it was estimated that 100 billion gloves were used globally each year (Scott, 2008). This study is exploratory in nature, to determine if Ultra Violet light (UV) exposure can cause an acceleration in the breakdown of latex and nitrile gloves. It was hypothesized that the tensile strength and length to breakage for both glove types, latex and nitrile, would decrease after …
What Are The Prospects For -Omics- Based Molecular Technologies In Cancer Diagnostics And Treatment, Katya Eriksen
What Are The Prospects For -Omics- Based Molecular Technologies In Cancer Diagnostics And Treatment, Katya Eriksen
Department of Environmental Studies: Undergraduate Student Theses
Cancer remains one of the leading causes of death in the United States, following the heart disease. New technologies are needed to fight and eventually to eradicate cancer. Omic technologies is a new emerging field of cancer research that may offer cancer patients long awaited opportunities to get faster, more precise personalized medical care, while letting doctors do their job more effectively. The rapid development of omic technologies and large datasets promise a new type of health care system when the patients can be treated according to their own individualized molecular characteristics.
Student Perception Of Industrial Agriculture: Effects On Migrant Workers And The Environment, Brigitta Bogue, Emma Sorensen
Student Perception Of Industrial Agriculture: Effects On Migrant Workers And The Environment, Brigitta Bogue, Emma Sorensen
Department of Environmental Studies: Undergraduate Student Theses
Companies such as Tyson Foods and Costco are creating problems through their use of industrial farming practices in Nebraska, such as concentrated animal feeding operations (CAFOs) and monocropping, to generate profit at the cost of humans and the environment. Those most affected are migrant farmworkers from Mexico. The environment is threatened because CAFOs generate greenhouse gases, and pollute nearby waterways with nitrogen. This paper addresses the following research questions: Are students’ perceptions of industrial agricultural companies, such as Costco and Tyson, positive or negative? Are students aware of these issues? How do these perceptions affect issues of sustainability and environmental …
How Do Non-Formal Environmental Education Experiences Shape Pro-Environmental Behavior, Megan Petsch
How Do Non-Formal Environmental Education Experiences Shape Pro-Environmental Behavior, Megan Petsch
Department of Environmental Studies: Undergraduate Student Theses
This paper attempts to define what behaviors are, what motivates behavior, and how environmental education programs can shape pro-environmental behavior using three factors: social interaction, program structure, and various teaching methods. Data was gathered using a systematic literature review that looked at the purpose and objectives of the paper, methods used for collecting data such as demographics (age, race, gender, location, etc.), the papers focused areas of research, and results. A thematic analysis was also used to code collected data into the themes. The themes that emerged while analyzing the data include social interactions, program structure, and teaching methods. Results …
Consumer Response To Sustainable Practices Within The Fashion Industry, Gage Mruz
Consumer Response To Sustainable Practices Within The Fashion Industry, Gage Mruz
Department of Environmental Studies: Undergraduate Student Theses
This study was conducted online through an environmental company called Greenstain, a registered LLC who provides environmentally sustainable solutions and plants a tree for every item they sell. The purpose of the study is to analyze consumer response to the eco-friendly apparel and other sustainable solutions offered by Greenstain after educating consumers on the extent to which the fashion industry is impacting the natural environment and the practices they can utilize to reduce these negative impacts. The sample size included any person with access to Google, Facebook, and Instagram. Scientists in the world have reached an overwhelming consensus that climate …
A Comparison Of Modern Power: Environmental Impacts, Seth Adams
A Comparison Of Modern Power: Environmental Impacts, Seth Adams
Department of Environmental Studies: Undergraduate Student Theses
There are many aspects of environmental influences that must be considered when evaluating power production methods. Over the course of a six-month literature review this study covered the environmental impact and sustainability of four different power production methods: coal, solar, wind, and nuclear. This study then used the information gathered to create a set of criteria by which each would be evaluated. The goal of this study was to determine the power production method that would deliver the most energy with the least amount of environmental impact. Further, the scope of this study is limited to the midwestern states of …
Activity Patterns Of Nebraskan Wildlife On A Prairie Landscape, Dillon Hanson
Activity Patterns Of Nebraskan Wildlife On A Prairie Landscape, Dillon Hanson
Department of Environmental Studies: Undergraduate Student Theses
Avoiding a particular species temporally can be an effective way to live amongst predator and competing species when spatial avoidance is not available. If a predator and prey species overlap temporally there is potential for high predation of the prey species by the predator, while if two predators overlap temporally there is high potential for competition and a loss of opportunities and resources for each species. I assessed if native mammalian species on a natural prairie landscape showed signs of avoidance through their activity patterns. I used photographic sampling to quantify the temporal activity patterns of species at Spring Creek …
Landuse And Soil Property Effects On Infiltration And Soil Aggregate Stability In The Lower Mississippi River Valley, Rebecca Lynn Anderson
Landuse And Soil Property Effects On Infiltration And Soil Aggregate Stability In The Lower Mississippi River Valley, Rebecca Lynn Anderson
Graduate Theses and Dissertations
Following European settlement of the Lower Mississippi River Valley (LMRV), agricultural expansion and unsustainable, agriculturally related practices have caused groundwater depletion, soil erosion, and surface water contamination by eroded sediments and sediment-bound nutrients to become major environmental threats to the region. The objective of this study was to evaluate the effects of common landuses [i.e., native prairie, deciduous forest, coniferous forest, Conservation Reserve Program (CRP) grassland, and conventional-tillage (CT) and no-tillage (NT) agriculture] on surface water infiltration and aggregate-stability-related properties [i.e., water-stable macroaggregate (WSA) size distribution, total water-stable macroaggregate (TWSA) concentration, and mean weight diameter (MWD)]. The overall infiltration rate …
Using X-Ray Fluorescence To Analyze Fire Impacted Soil And Vegetation Composition, Dylan Darter
Using X-Ray Fluorescence To Analyze Fire Impacted Soil And Vegetation Composition, Dylan Darter
Kansas State University Undergraduate Research Conference
In our lab, I am using an X-ray fluorescence (XRF) to measure the concentrations of metals in sediments from subalpine lakes. Our goal is to measure the biogeochemical consequences of wildfires over the last 2000 years. This study looks at the elemental composition of different lake cores, and vegetation samples from areas of the “Big Burn” fire of 1910. This fire burned across several states in the Rocky Mountain region. With our XRF data we are able to see how the fire impacted the soils and how long after the fire proper soil composition can occur. This study can be …
Gvsu Sustainable Agriculture Project: Composting, Jillian Ashton, Eric Vaitkevicius, Nicholas Keller, Benjamin Walling
Gvsu Sustainable Agriculture Project: Composting, Jillian Ashton, Eric Vaitkevicius, Nicholas Keller, Benjamin Walling
Environmental and Sustainability Studies Undergraduate Projects
Currently, the S.A.P. (Sustainable Agricultural Project) has a working composting pile that isn’t reaching its full optimization potential, due to a lack in systems planning. Our group has worked toward analyzing the S.A.P.’s current processes to eliminate the inefficiencies and to maximize the quality of the composting process and product. This final product will be used to inoculate the S.A.P.’s nursery and planting beds to produce higher quality produce for the community.
Droughtscape- Spring 2019, Cory Matteson
Droughtscape- Spring 2019, Cory Matteson
Droughtscape, Quarterly Newsletter of NDMC, 2007-
Contents
From the director............... 2
Wet and cool conditions bring drought relief to the West................ 3
Notable numbers from Q1.................. 5
Drought impact summary, 1st quarter 2019................ 6
New research examines drought effects on state recreation areas................ 8
At Ethiopian space science workshop, NDMC climatologist sees promise in preparing for drought.......... 9
U.S.- affiliated Pacific Islands now part of U.S. Drought Monitor.............. 11
Water conservation tips for drought, flood and other disasters.............. 12
Upcoming events..............13
El Esfuerzo Para Establecer La Reserva Wilapewen: Las Motivaciones Y Impedimentos De Establecer Una Reserva Ecológica En La Comuna De Curarrehue, Alexandra K. Black
El Esfuerzo Para Establecer La Reserva Wilapewen: Las Motivaciones Y Impedimentos De Establecer Una Reserva Ecológica En La Comuna De Curarrehue, Alexandra K. Black
Independent Study Project (ISP) Collection
This study examines a budding effort to establish an ecological reservation in the commune of Curarrehue, in the south-central Chilean region of the Araucanía. The study looks to explain the nature of the project, elaborating on the local context from which it originates. Engaging with modern theory on the current state of wilderness conservation in Chile, this study examines the effort to establish this reserve through a theoretical lens of wilderness conservation executed with local culture and current human physical impact in mind. Underneath this theory, the study uncovers and develops the motivations behind this effort to establish a reserve …
Virginia Pipelines: A Global Problem With Local Solutions, Margaret Hubert
Virginia Pipelines: A Global Problem With Local Solutions, Margaret Hubert
Student Writing
This paper will address the negative effect that fracking and natural gas pipelines are causing for the global environment. Growing need for fuel has spiked the demand for natural gas, a nonrenewable resource, which is not sustainable and has harmful effects on the environment. Additionally, this paper will expose the risk associated with two proposed pipelines which are intended to cross through the state of Virginia. If constructed, the pipelines could cause serious damage to Virginia’s delicate ecosystems, endanger native species and interfere with the livelihood of residents. The paper also proposes local solutions to halt construction of the pipelines …