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Ecology and Evolutionary Biology Commons™
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Articles 1 - 30 of 44
Full-Text Articles in Ecology and Evolutionary Biology
Quantatative Analysis Of Microbial Abundance Within Arctic Fjord Sediments Assessed Through Direct Counting, Alex Taylor Swystun
Quantatative Analysis Of Microbial Abundance Within Arctic Fjord Sediments Assessed Through Direct Counting, Alex Taylor Swystun
EURēCA: Exhibition of Undergraduate Research and Creative Achievement
Microbes found in the marine sediments are responsible for the production of nearly half of the carbon dioxide found in the atmosphere (Arrigo, 2005). The fjords of Svalbard (79°N) are not considered typical marine sediments because high iron content influences unique subsurface redox chemistry. Radiotracer studies have shown that these sediments contain active bacterial sulfate-reducing communities (Finke et al., 2016). In addition to bacteria, archaeal cells within these sediments have been in aggregates encompassed by sulfate-reducing bacteria (Ravenschlag et al., 2001). These anaerobic organisms participate in mediating environmental biogeochemical cycles, including the oxidation of methane (Ravenschlag et al., 2001) and …
Sustainability For Whom? Place-Makers Of Detroit, Dominica, Ecuador, And Mexico, Emma Gaalaas Mullaney
Sustainability For Whom? Place-Makers Of Detroit, Dominica, Ecuador, And Mexico, Emma Gaalaas Mullaney
Sponsored Events -- List
Drawing from more than a decade of work with farmers in rural and urban areas across the Americas, Professor Gaalaas Mullaney highlights some key findings about how small-scale farmers have a big influence on the conservation of cultural and ecological richness in their region. In each of these diverse places, innovative farmers work at the margins of dominant political and economic institutions with only occasional recognition of the value that they produce. What can these farmers teach us about how to cultivate place-based sustainability? How is sustainability related to social and economic justice?
Co-Existence Of Microbial Ecology In A Chemostat Using A Robust Feedback, Hector Puebla, Mariana Rodriguez-Jara, Margarita M. Gonzalez-Brambila, Eliseo Hernandez-Martinez, Alejandra Velasco-Perez, Ennio Piceno-Diaz
Co-Existence Of Microbial Ecology In A Chemostat Using A Robust Feedback, Hector Puebla, Mariana Rodriguez-Jara, Margarita M. Gonzalez-Brambila, Eliseo Hernandez-Martinez, Alejandra Velasco-Perez, Ennio Piceno-Diaz
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Modeling Vaccination Strategies To Control White-Nose Syndrome In Little Brown Bat Colonies, Eva Cornwell, David Elzinga, Shelby Stowe, Alex Capaldi
Modeling Vaccination Strategies To Control White-Nose Syndrome In Little Brown Bat Colonies, Eva Cornwell, David Elzinga, Shelby Stowe, Alex Capaldi
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Turning Monitoring Data Into Simple Population Growth Models: Getting Your Ducks In A Row, Holly Gaff
Turning Monitoring Data Into Simple Population Growth Models: Getting Your Ducks In A Row, Holly Gaff
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Model Selection And Permanence In A Stochastic Integrated Pest Management Model, Timothy Comar, Olcay Akman, Daniel Hrozencik
Model Selection And Permanence In A Stochastic Integrated Pest Management Model, Timothy Comar, Olcay Akman, Daniel Hrozencik
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Agent-Based Model For Integrated Pest Management With Periodic Control Strategies, Timothy Comar, Elizabeth Rodriguez
Agent-Based Model For Integrated Pest Management With Periodic Control Strategies, Timothy Comar, Elizabeth Rodriguez
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
The Behavior Response Of Antlion Larvae To Alternating Magnetic Fields, Lindsey Wagner, Caleb L. Adams
The Behavior Response Of Antlion Larvae To Alternating Magnetic Fields, Lindsey Wagner, Caleb L. Adams
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Handicap Principle Implies Emergence Of Dimorphic Ornaments, Sara Clifton, Daniel M. Abrams, Rosemary I. Braun
Handicap Principle Implies Emergence Of Dimorphic Ornaments, Sara Clifton, Daniel M. Abrams, Rosemary I. Braun
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Food Web Control And Synchronization Using A Robust Feedback, Hector Puebla, Mariana Rodriguez-Jara, Cesar S. Lopez-Monsalvo, Eliseo Hernandez-Martinez, Alejandra Velasco-Perez
Food Web Control And Synchronization Using A Robust Feedback, Hector Puebla, Mariana Rodriguez-Jara, Cesar S. Lopez-Monsalvo, Eliseo Hernandez-Martinez, Alejandra Velasco-Perez
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Modeling Evolutionary Games Between Predators And Social Prey, Bill Mitchell
Modeling Evolutionary Games Between Predators And Social Prey, Bill Mitchell
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
The Effects Of Evolution On Food Web Diversity And Abundance, Rosalyn Rael
The Effects Of Evolution On Food Web Diversity And Abundance, Rosalyn Rael
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Spatio-Temporal Metapopulation Dynamics In A Small Network Of Freshwater Ponds, Christopher J. Holmes
Spatio-Temporal Metapopulation Dynamics In A Small Network Of Freshwater Ponds, Christopher J. Holmes
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Mosquito Ecology, Arbovirus Dynamics, And Control, Cynthia Lord
Mosquito Ecology, Arbovirus Dynamics, And Control, Cynthia Lord
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Hierarchy Establishment From Nonlinear Social Interactions And Metabolic Costs: An Application To The Harpegnathos Saltator, Armando Salinas Iii
Hierarchy Establishment From Nonlinear Social Interactions And Metabolic Costs: An Application To The Harpegnathos Saltator, Armando Salinas Iii
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Modeling The Influence Of El Niño On Parasite Transmission In Sand Crab Populations And Seabird Abundance Along The California Coast, James Peirce, Olcay Akman, Abou Seck
Modeling The Influence Of El Niño On Parasite Transmission In Sand Crab Populations And Seabird Abundance Along The California Coast, James Peirce, Olcay Akman, Abou Seck
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Community Effects Of Hemiparasites: Are They Predators, Intraguild Predators, Or Something Else Altogether?, Steven A. Juliano
Community Effects Of Hemiparasites: Are They Predators, Intraguild Predators, Or Something Else Altogether?, Steven A. Juliano
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Cnemidophorus Sexlineatus And The Impacts The Environment Has On Its Population At The Braidwood Dunes, Jeremiah Soto
Cnemidophorus Sexlineatus And The Impacts The Environment Has On Its Population At The Braidwood Dunes, Jeremiah Soto
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Modeling Habitat Suitability Of Invasive Carps In The Upper Missisisippi River System, Charlotte Alexander, Robert F. Allen, Kevin J. Aagard
Modeling Habitat Suitability Of Invasive Carps In The Upper Missisisippi River System, Charlotte Alexander, Robert F. Allen, Kevin J. Aagard
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
A Stochastic Epidemiological Model Of The Response Of American Chestnut Populations To Fungal Blight, Kelsey Lieberman, Rebecca Rouleau, Anita Davelos Baines, Martin Allen
A Stochastic Epidemiological Model Of The Response Of American Chestnut Populations To Fungal Blight, Kelsey Lieberman, Rebecca Rouleau, Anita Davelos Baines, Martin Allen
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Assessing The Influence Of Socials Calls On Bat Mist-Netting Success In North America, Karly A. Rushmore, Laura E. D'Acunto, Cheyenne L. Gerdes, Patrick A. Zollner, Joy M. O'Keefe
Assessing The Influence Of Socials Calls On Bat Mist-Netting Success In North America, Karly A. Rushmore, Laura E. D'Acunto, Cheyenne L. Gerdes, Patrick A. Zollner, Joy M. O'Keefe
The Summer Undergraduate Research Fellowship (SURF) Symposium
Since the introduction of the fungal disease White-Nose Syndrome in 2006, millions of North American bats have perished. For many species, the disease has caused over a 90 percent decline in abundance. With populations fluctuating as the pathogen spreads, biologists require improved methods of estimating bat demographics and abundance. Previous research indicates that mist netting success may be improved with the use of acoustic lures at mist-netting locations. Our research investigates which type of social calls improve the capture rates of North American bats, including the big brown bat (Eptesicus fuscus). Social call types used include antagonistic buzzes, distress calls, …
Acoustic Signatures Of Habitat Types In The Miombo Woodlands Of Western Tanzania, Sheryl Vanessa Amorocho, Dante Francomano, Kristen M. Bellisario, Ben Gottesman, Bryan C. Pijanowski
Acoustic Signatures Of Habitat Types In The Miombo Woodlands Of Western Tanzania, Sheryl Vanessa Amorocho, Dante Francomano, Kristen M. Bellisario, Ben Gottesman, Bryan C. Pijanowski
The Summer Undergraduate Research Fellowship (SURF) Symposium
The Miombo Woodlands of Tanzania comprise several habitat types that are home to a great number of flora and fauna. Understanding their responses to increasing human disturbance is important for conservation, especially in places where people depend so directly on their local ecosystem services to survive. Soundscapes are a powerful approach to study complex biomes undergoing change. The sounds emitted by soniferous fauna characterize the acoustic profile of the landscapes they inhabit such that habitats with the highest acoustic abundance are considered as the most diverse and possibly more ecologically resilient. However, acoustic variability within similar habitat types may pose …
Ecological Responses Of Midwestern Snakes To Prescribed Fire, Zachary T. Truelock, Chelsea E. Clyde-Brockway, Elizabeth A. Flaherty
Ecological Responses Of Midwestern Snakes To Prescribed Fire, Zachary T. Truelock, Chelsea E. Clyde-Brockway, Elizabeth A. Flaherty
The Summer Undergraduate Research Fellowship (SURF) Symposium
Prescribed burning is a commonly used land management tool to reduce the risk of hazardous wildfires and improve wildlife habitat, especially for grassland ecosystems. However, prescribed fire has widely varying effects on differing wildlife taxa. The effects of prescribed fire on herpetofaunal biodiversity have been examined, but the responses of a common and wide-ranging species, the common garter snake (Thamnophis sirtalis), to fire and subsequent effects on its ecology have not been closely studied. The primary goal of this research was to evaluate differing resource use or movement patterns of common garter snakes in burned and unburned habitats. …
Adaptive Therapy: Modeling Evolutionary Principles In Anticancer Therapy, Jeffrey B. West
Adaptive Therapy: Modeling Evolutionary Principles In Anticancer Therapy, Jeffrey B. West
Biology and Medicine Through Mathematics Conference
No abstract provided.
Software Development For Genome Sequence Analysis, David Farr
Software Development For Genome Sequence Analysis, David Farr
Symposium Of University Research and Creative Expression (SOURCE)
The cost of genome sequencing has decreased rapidly, expanding availability for many biological applications (Muir 2016). For example, researchers can now obtain genome sequences from multiple populations under different types of selection. Comparison of these sequences allows for identification of chromosome regions and specific genes associated with adaptive evolution (Kelly 2013). As an increasing number of researchers engage in this type of inquiry, many have created in-house computer scripts to analyze the raw sequence data (e.g., Kelly 2013), creating a gap in both continuity and standardization.
Using a test dataset and preliminary results from an ongoing artificial selection experiment in …
Non-Native Mangroves Of Moloka'i, Hawai'i: A Socio-Ecological Analysis, Casey Lewis
Non-Native Mangroves Of Moloka'i, Hawai'i: A Socio-Ecological Analysis, Casey Lewis
Student Research Symposium
Invasive species are recognized as a leading threat to ecosystems and their management is expensive, time consuming, and labor intensive. Therefore, it is important to review both benefits and detriments of the species to inform appropriate management decisions. Red mangrove was introduced to Moloka'i, Hawaii in 1902 to mitigate the effects of soil erosion and has since spread along the coast and to adjacent islands creating novel habitat. This study assessed both biological services and social attitudes towards Moloka'i's non-native mangroves to provide a comprehensive evaluation of the species. Zooplankton community structure was examined in mangrove and non-mangrove sites and …
Assessing The Effects Of Chemical Mixtures Using A Bayesian Network-Relative Risk Model (Bn-Rrm) Integrating Adverse Outcome Pathways (Aops), Valerie Chu, Meagan J. Harris, Scarlett Graham, Lindsay K. Wallis, Chelsea Mitchell, John D. Stark, Katherine Von Stackelberg
Assessing The Effects Of Chemical Mixtures Using A Bayesian Network-Relative Risk Model (Bn-Rrm) Integrating Adverse Outcome Pathways (Aops), Valerie Chu, Meagan J. Harris, Scarlett Graham, Lindsay K. Wallis, Chelsea Mitchell, John D. Stark, Katherine Von Stackelberg
Graduate Student Symposium
There are long-standing uncertainties about toxicity of chemical mixtures to populations. Laboratory toxicity tests have confirmed synergistic and antagonistic effects to individuals, but not to populations.We will conduct a regional scale ecological risk assessment by evaluating the effects chemical mixtures to populations with a new Bayesian Network- Relative Risk Model (BN-RRM) incorporating an Adverse Outcome Pathway (AOP). We started applying this new BN-RRM framework in a case study with organophosphate pesticide mixtures (diazinon, chlorpyrifos, and malathion). Acetylcholinesterase inhibition (AChE) was chosen the molecular initiating event and the Puget Sound Chinook salmon (Oncorhynchus tshawytscha) and Coho salmon (Oncorhynchus kisutch …
The Role Of Avian Seed Dispersers And Large Woody Debris In Plant Establishment Following Dam Removal On The Elwha River, Wa, Sara J. Cendejas-Zarelli
The Role Of Avian Seed Dispersers And Large Woody Debris In Plant Establishment Following Dam Removal On The Elwha River, Wa, Sara J. Cendejas-Zarelli
Graduate Student Symposium
Reservoir drawdown following the removal of two hydroelectric dams on the Elwha River, Washington, exposed ~800 acres of sediments and left a barren landscape in the former reservoirs. The establishment of native vegetation within these areas is critical to meeting restoration objectives. Large woody debris (LWD) can play an important role in riparian ecosystems and may assist in the development of early plant communities. LWD helps create favorable microsites for seedlings by creating shade, which decreases temperatures and increases moisture levels in sediments. In sparsely-vegetated landscapes such as those present in the former Mills reservoir, wildlife such as birds can …
The Effects Of Urbanization On Nitrogen Processing In Urban Streams, Peter Francissen, Dr. Kevin Geedey, Dr. Michael Reisner
The Effects Of Urbanization On Nitrogen Processing In Urban Streams, Peter Francissen, Dr. Kevin Geedey, Dr. Michael Reisner
Celebration of Learning
Urban stream syndrome is described as the deterioration of stream health in an urbanized watershed and is associated with the loss of ecosystem services, which in turn degrades downstream environments. One key symptom of the urban stream syndrome is reduced processing of inorganic nitrogen. Previous research suggests that as urbanization increases and water quality decreases, the uptake length (Sw) of inorganic N increases. This indicates that the stream is increasing the export of N downstream compared to in situ incorporation of N into the ecosystem. We measured uptake length (Sw) of NO3, using a pulse addition method, along 9 different …
Deer Droppings As A Diverse Invertebrate Habitat, Allison Furr, Dr. Kevin Geedey
Deer Droppings As A Diverse Invertebrate Habitat, Allison Furr, Dr. Kevin Geedey
Celebration of Learning
This project was performed at Augustana's Green Wing Environmental Laboratory and studied the richness and diversity of soil invertebrates in two conditions, deer poop enriched and surrounding soil. Soil invertebrates play an important role in soil quality which greatly affects ecosystems. The hypothesis of this study was that the diversity and richness would be the higher in the poop enriched soil samples. Soil samples were collected, Burlese funnels were used to collect the invertebrates, the invertebrates were examined under the microscope, and were assigned to taxa. The number of taxa (richness) and the number of individuals in each taxa (Simpson's …