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Ecology and Evolutionary Biology Commons™
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Articles 1 - 30 of 91
Full-Text Articles in Ecology and Evolutionary Biology
Summer 2024 Research Proposal: Swanberg Sanctuary Prairie Plant Community Characterization And Management Testing, Jillian Becksfort
Summer 2024 Research Proposal: Swanberg Sanctuary Prairie Plant Community Characterization And Management Testing, Jillian Becksfort
Scholar Week 2016 - present
Prairie management is an involved process that is focused on maintaining existing grassland plant and animal communities. Invasive species and the spread of woody shrubs and trees presents a real threat to the existing prairie. Woody stems can affect resources such as water access and nutrient availability, which may cause changes to the prairie’s unique plant communities. Management techniques like burning and mowing are commonly used to prevent woody stems from causing changes to the prairie ecosystem. The Sanctuary was restored to natural prairie habitat in 2008 and a list of planted species is available. However, no plant surveys have …
Checking For Ticks: Analyzing The Efficiency Of Different Tick Collection Methods, Peter Briggs, Lawson Trimmell, Javier Monzón
Checking For Ticks: Analyzing The Efficiency Of Different Tick Collection Methods, Peter Briggs, Lawson Trimmell, Javier Monzón
Seaver College Research And Scholarly Achievement Symposium
Ticks are the most important arthropod disease vectors in both North America and Europe. Field collection of wild ticks is vital for research on the ecology of vector-borne diseases. Dragging and trapping are the two most common methods for collecting wild ticks. Dragging involves a researcher pulling a canvas through a field to collect ticks searching for a host, while trapping exploits ticks’ natural attraction to carbon dioxide to lure them onto a canvas where they get caught on tape. Our study aimed to evaluate which of these two methods is more effective. We chose six sites across three states, …
Environmental Factors Affecting Coleoptera Biomass In The Ozark Mountain Range In Arkansas, Hayley J. Springsteen
Environmental Factors Affecting Coleoptera Biomass In The Ozark Mountain Range In Arkansas, Hayley J. Springsteen
ATU Research Symposium
Abstract:
Terrestrial invertebrates including species of Coleoptera (beetles) play an important role in many ecosystem services including soil formation and fertility, pollination, decomposition and nutrient turnover, population regulation of other organisms through predation. Coleoptera are often vital in determining biodiversity and conservation techniques. The purpose of this study is to contribute to the knowledge of how environmental factors and different management practices are affecting Coleoptera populations and further assist ecologists in improving management techniques in the future. The insect data in this study was collected over the course of two weeks in the Arkansas portion of the Boston Mountain range. …
Analysis Of The Population Structure And Migration Habits Of The Northern Leopard Frog (Lithobates Pipiens) At Midewin National Tallgrass Prairie, Gretchen A. Brinkman
Analysis Of The Population Structure And Migration Habits Of The Northern Leopard Frog (Lithobates Pipiens) At Midewin National Tallgrass Prairie, Gretchen A. Brinkman
Scholar Week 2016 - present
Massive amphibian declines of recent years have pushed researchers to pursue population genetics surveys and to assess the status of these essential components of many ecosystems. The Northern Leopard Frog (Lithobates pipiens) has been continuously experiencing population declines across the continental United States due to a combination of habitat loss and environmental change. Midewin National Tallgrass Prairie houses a considerable portion of Northern Leopard Frog (L. pipiens) in Illinois, and within this location, two creeks provide ideal conditions to support these animals. Because this prairie restoration project is a relatively recent development, further assessments on the …
Animal Frequency In The Presence & Absence Of Human Disturbance, Jade Riddle, Angel Stanley, Teresa Orellana
Animal Frequency In The Presence & Absence Of Human Disturbance, Jade Riddle, Angel Stanley, Teresa Orellana
Fall Showcase for Research and Creative Inquiry
No abstract provided.
Investigating The Biological Function Of Female-Specific Fruitless Transcripts, Liam Mcfarlane
Investigating The Biological Function Of Female-Specific Fruitless Transcripts, Liam Mcfarlane
Undergraduate Student Research Internships Conference
In Drosophila, the fruitless (fru) gene encodes an array of alternatively spliced transcription factors, some of which are sex-specifically spliced. The male-specific transcript (fruM) has been previously determined to be involved in male courtship behaviours. The female counterpart (fruF) however, has been assumed to have no function due to the incorporation of a stop codon near the 5' end of the transcript. Interestingly, RNAseq data shows that expression levels of fruF in females exceeds that of fruM in males in the brain and thoracoabdominal ganglion, bringing to …
Thermal Tolerances Of The Invasive Macrophyte Hydrilla Verticillata, Joshua Williams
Thermal Tolerances Of The Invasive Macrophyte Hydrilla Verticillata, Joshua Williams
Graduate Research Showcase
Invasive species often rapidly spread due to their ability to adapt to a wide range of habitats they can occupy and lack of competition. Hydrilla verticillata is an invasive aquatic macrophyte that has spread across the United States due to human activities. Like many aquatic plants, Hydrilla has the ability to reproduce through fragmentation of the mother plant. In this method, Hydrilla fragments are then dispersed by water current to other areas where they can settle and grow. To date, little is known about the abiotic conditions that may restrict the spread of invasive Hydrilla. However, compared to other macrophytes …
Using Bioenergetics To Model The Effects Of Climate Change On Bluntnose Minnows Pimephales Notatus In A Western Kentucky Stream, Christian Slone, Christian Slone
Using Bioenergetics To Model The Effects Of Climate Change On Bluntnose Minnows Pimephales Notatus In A Western Kentucky Stream, Christian Slone, Christian Slone
Student Scholarship & Creative Works
Bioenergetics considers a variety of factors like consumption, excretion, and metabolism to quantify the energy use of an organism. A common use of bioenergetics modeling is to help solve fish stock problems. This project looks to develop a bioenergetics model for Bluntnose Minnows Pimephales notatus to help predict effects of climate change on the biodiversity of western Kentucky streams. We used R and NetLogo to create an agent-based bioenergetics model to simulate the size distribution of Bluntnose Minnows under various temperature regimes. Bluntnose Minnow metabolism increases, and consumption decreases with an increase in water temperature. Fish growth seems to be …
Binder Cover Garden Ecology, Center For Urban Resilience
Binder Cover Garden Ecology, Center For Urban Resilience
Module 10: Garden Ecology
No abstract provided.
Powerpoint - Educator And Student Instructions, Center For Urban Resilience
Powerpoint - Educator And Student Instructions, Center For Urban Resilience
Module 10: Garden Ecology
No abstract provided.
Powerpoint - Maintaining The Garden, Center For Urban Resilience
Powerpoint - Maintaining The Garden, Center For Urban Resilience
Module 10: Garden Ecology
No abstract provided.
Binder Cover, Center For Urban Resilience
Binder Cover, Center For Urban Resilience
Module 13: Birds in the Urban Landscape
No abstract provided.
Urban Birds, Center For Urban Resilience
Urban Birds, Center For Urban Resilience
Module 13: Birds in the Urban Landscape
No abstract provided.
Hummingbird Pictures For Picture Walk, Center For Urban Resilience
Hummingbird Pictures For Picture Walk, Center For Urban Resilience
Module 13: Birds in the Urban Landscape
No abstract provided.
2017 Student Hummingbird Poster, Center For Urban Resilience
2017 Student Hummingbird Poster, Center For Urban Resilience
Module 13: Birds in the Urban Landscape
No abstract provided.
Picture Walk Cards, Center For Urban Resilience
Picture Walk Cards, Center For Urban Resilience
Module 12: Urban Wildlife
No abstract provided.
Powerpoint - Coyote Ecology & Resilience, Center For Urban Resilience
Powerpoint - Coyote Ecology & Resilience, Center For Urban Resilience
Module 12: Urban Wildlife
No abstract provided.
Powerpoint - Preparing The Garden Site, Center For Urban Resilience
Powerpoint - Preparing The Garden Site, Center For Urban Resilience
Module 10: Garden Ecology
No abstract provided.
Powerpoint - Instructional, Center For Urban Resilience
Powerpoint - Instructional, Center For Urban Resilience
Module 10: Garden Ecology
No abstract provided.
Powerpoint - Coyote Population Dynamics, Center For Urban Resilience
Powerpoint - Coyote Population Dynamics, Center For Urban Resilience
Module 12: Urban Wildlife
No abstract provided.
Powerpoint - Coyote Traits, Adaptations & Behavior, Center For Urban Resilience
Powerpoint - Coyote Traits, Adaptations & Behavior, Center For Urban Resilience
Module 12: Urban Wildlife
No abstract provided.
Powerpoint - Coyote Wildlife Management, Center For Urban Resilience
Powerpoint - Coyote Wildlife Management, Center For Urban Resilience
Module 12: Urban Wildlife
No abstract provided.
Impact Analysis On The Invasive Oriental Weather Loach (Misgurnus Anguillicaudatus) In The Grant Creek And Prairie Creek Watersheds At Midewin National Tallgrass Prairie, Adam Vanhaitsma
Scholar Week 2016 - present
Presentation Location: Weber Center, Room 101
Abstract
In 2014, the invasive Oriental weather loach was found in the Prairie Creek wetland at Midewin National Tallgrass Prairie. While little is known about the Oriental weather loach and its impact on freshwater ecosystems it has become a widespread invasive species. Being the first to investigate the impact of the Oriental weather loach on the Grant Creek and Prairie Creek watersheds at Midewin National Tallgrass Prairie, we set traps for specimens from early June till late July in both watersheds. Each loach that was caught was euthanized and dissected in order to understand …
Morph- And Sex-Specific Differences In Corticosterone Of The Arizona Tiger Salamander (Ambystoma Mavortium Nebulosum), Megan Zerger
Morph- And Sex-Specific Differences In Corticosterone Of The Arizona Tiger Salamander (Ambystoma Mavortium Nebulosum), Megan Zerger
Scholars Week
Life history morph, sex, and body condition are traits that may influence stress within salamander populations because of differences in physiology and environmental conditions. Given widespread declines and the effects chronic stress can have on amphibian health, it is important to understand within-population drivers of stress and how population level variation may influence population viability. Thus, the objective of our study was to assess how corticosterone varies within the Arizona tiger salamander (Ambystoma mavortium nebulosum) population at the Mexican Cut Nature Preserve. We used a non-invasive skin swabbing method to collect baseline and elevated corticosterone from paedomorph (aquatic …
Comparison Of Gray Squirrel (Sciurus Carolinensis) And Fox Squirrel (Sciurus Niger) In Order To Explore Genes That Confer A Fitness Advantage, Joshua Franzen
Comparison Of Gray Squirrel (Sciurus Carolinensis) And Fox Squirrel (Sciurus Niger) In Order To Explore Genes That Confer A Fitness Advantage, Joshua Franzen
UNO Student Research and Creative Activity Fair
Mutations in the MC1R gene is associated with melanism, or black fur, and the presence of a 24 base pair deletion in the MC1R gene of fox and gray squirrels suggests a shared ancestry between the two species. This could be due to a mutation in a common ancestor or previous mating between species. Evidence has shown that the most likely cause for the presence of MC1R in both species is previous mating between species. If this did occur, then it is possible that other genes traveled between species along with the mutated MC1R gene. Conserved genes shared between species …
Variation In Genes Responsible For Melanism In Sciurus Carolinensis And Sciurus Niger, Ibrahim Hussain
Variation In Genes Responsible For Melanism In Sciurus Carolinensis And Sciurus Niger, Ibrahim Hussain
UNO Student Research and Creative Activity Fair
During the past few years, the population of melanistic squirrels in Nebraska has increased. These color variations have been associated with variation in the Melanocortin 1 Receptor (MC1R) and Agouti Signaling Protein (ASIP) genes, which are responsible for pigment production. DNA was isolated from 3 grey and 46 fox squirrels collected from Eastern Nebraska; 8 of the fox squirrels were melanistic in color. Primers were designed to amplify and sequence MC1R and three portions of ASIP to examine the extent of variation in these genes in local squirrels. The sequences were aligned to the grey squirrel reference …
Year Long Water Quality Analysis Of White Horn Brook, Kevin Dyer
Year Long Water Quality Analysis Of White Horn Brook, Kevin Dyer
Senior Honors Projects
KEVIN DYER (Marine Biology)
Year-long Analysis of the Water Quality of White Horn Brook
Sponsor: Thomas Boving (Geological Sciences)
Water is the foundation for all life on earth and is the most vital resource on this planet. Despite this, oceans and waterways all over the world are being polluted and exploited in ways detrimental to their fundamental hydrologic functions. For instance, excess nitrate levels can lead to eutrophication which gives rise to harmful algae blooms. Low pH can cause the breakdown of CaCO3 exoskeletons of organisms, such mollusks. High temperature variations are major stressors to living things and can cause …
Hives, Rachel Selvaraj '22, Nicolette Schmidling '22, Abigail Ryner '22
Hives, Rachel Selvaraj '22, Nicolette Schmidling '22, Abigail Ryner '22
Student Leadership Exchange (SLX)
Bees are a capstone species and the world’s most important animal as ranked by the Royal Geographic Society in London. They play a key role in the production of many food products which certain communities may depend on; however, their population has rapidly been declining as of lately. Hives is an organization which takes this issue into extreme consideration. We believe that habitat restoration efforts for bees is the strongest way to make an impact. We will work with numerous local gardens to install our artificial bee homes. These homes are created solely from recyclable materials. Not only are our …
Strategizing For Workplace Culture: Developing And Introducing A Diversity, Equity, And Inclusion Road Map, Melissa Watkinson
Strategizing For Workplace Culture: Developing And Introducing A Diversity, Equity, And Inclusion Road Map, Melissa Watkinson
Salish Sea Ecosystem Conference
Organizations are familiar with developing a strategic plan to focus their work on achieving their mission and vision. A diversity, equity, and inclusion (DEI) road map, aligned with organizational values of DEI, is a strategic plan that defines DEI in your work: where you are starting, where you want to end up, and how you are going to get there. Washington Sea Grant (WSG) has developed a 10-year road map that includes 13 ambitious, but achievable goals that are aligned with tangible strategies and expected outcomes. The road map goals range in specificity; examples include “WSG is welcome and inclusive” …
Puget Sound Vital Sign Revision: Objectives For Puget Sound Recovery And Protection, Ron Thom
Puget Sound Vital Sign Revision: Objectives For Puget Sound Recovery And Protection, Ron Thom
Salish Sea Ecosystem Conference
Since the mid-1980’s, there have been focused federal, state and local efforts to restore the Puget Sound ecosystem. Beginning in 2008 the Puget Sound Partnership (PSP) has produced Action Agendas that describe comprehensive recovery programs and, since 2011, have identified a set of Vital Signs and indicators. As of 2018, PSP identified 25 Vital Signs (VS) with 52 affiliated indicators. The PSP is now undertaking a collaborative effort to revise the VS and indicators to address known concerns and to situate them in a framework of other types of progress measures. Revised VS and indicators will characterize biophysical condition and …