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Articles 31 - 60 of 906
Full-Text Articles in Life Sciences
Urbanization Increases Isolation Of A Threatened Fish Species In East Texas Streams: A 20-Year Perspective, Zachary Hutchens
Urbanization Increases Isolation Of A Threatened Fish Species In East Texas Streams: A 20-Year Perspective, Zachary Hutchens
Undergraduate Research Conference
We conducted monthly surveys of fish and in-stream habitat conditions from August 2020 to August 2021 in reaches along Banita Creek and La Nana Creek to investigate ecology and population status of the Sabine shiner (Notropis sabinae) within these streams. On average, Banita Creek had shallow water with low flow, more diverse instream habitats, and lower values of salinity, conductivity, and turbidity compared La Nana Creek. The movements of Sabine shiners were tracked monthly using Visual Implant Elastomer tags. Over a year-long survey, we collected 267 Sabine shiners from Banita Creek and 10 individuals from La Nana Creek. Out of …
Aquatic Macroinvertebrates As Sentinels Of Changes In Local Stream Conditions In East Texas, Courtney Plummer, Erin Shepta
Aquatic Macroinvertebrates As Sentinels Of Changes In Local Stream Conditions In East Texas, Courtney Plummer, Erin Shepta
Undergraduate Research Conference
Study objective: To use aquatic macroinvertebrates to assess the habitat quality and biological conditions of a stream, La Nana Creek, impacted by different land use.
Halfway: The Legacy Of Civilian Conservation Corps Company #704, Maxibillion Thompson
Halfway: The Legacy Of Civilian Conservation Corps Company #704, Maxibillion Thompson
Student Academic Conference
Civilian Conservation Corps Company #704 began operations in 1933 approximately 10 miles southeast of Ely, MN, based at the site known as Halfway Camp F-1. This presentation explores some of the legacy they left in the region in the form of ecological projects and recreational structures, as well as the few remaining signs of their former camp on the shores of Birch Lake.
Evaluating Gizzard Shad Dorosoma Cepedianum Populations In Two Kentucky Reservoirs Recently Invaded With Silver Carp Hypopthalmichthys Molitrix, Nathan Klein
Scholars Week
Gizzard Shad Dorosoma cepedianum are an ecologically important fish species found in many reservoirs throughout the southeastern United States such as Kentucky Lake and Lake Barkley. One current challenge that Gizzard Shad may face in these two reservoirs is competition with the invasive Silver Carp Hypophthalmichthys molitrix. However, quantifying the impacts of this competition may be difficult because of limited baseline population data for Gizzard Shad in these two reservoirs. The objective of this study is to describe size structure, condition, age, growth, mortality, and spawning potential of these two populations. Gizzard Shad were collected by boat electrofishing and …
Wastewater-Based Estimation Of Substances Discharged At The Rest Areas Along The State Highways In Kentucky, Katherine E. Gray, Eugene Shin, Tyler Whitt, Andrew Windhorst, Houston Hampton, Chris Delcher, Bikram Subedi
Wastewater-Based Estimation Of Substances Discharged At The Rest Areas Along The State Highways In Kentucky, Katherine E. Gray, Eugene Shin, Tyler Whitt, Andrew Windhorst, Houston Hampton, Chris Delcher, Bikram Subedi
Posters-at-the-Capitol
The availability of licit and illicit stimulants and its adverse consequences on public health has emerged as a major drug threat to communities in the United States. Despite several drug-involved traffic incidents along the interstate highways, this report represents the first comprehensive and quantitative report of drugs discharged at the rest areas along the interstate highways. In this National Institute of Justice-funded study, the amount of several discharged drugs focusing on stimulants but also including opioids and prescription antipsychotics are being measured in raw wastewater collected from five rest areas and a truck servicing facility using a state-of-the-art mass …
Incorporating Chlorophyll-A Levels Into An Integral Projection Model Of Gizzard Shad (Dorosoma Cepedianum) In The Upper Mississippi River, Raquel Castromonte, Gregory J. Sandland, James Peirce
Incorporating Chlorophyll-A Levels Into An Integral Projection Model Of Gizzard Shad (Dorosoma Cepedianum) In The Upper Mississippi River, Raquel Castromonte, Gregory J. Sandland, James Peirce
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Do Environmental Toxins Predict Violent Crimes?, Tyler Stahl
Do Environmental Toxins Predict Violent Crimes?, Tyler Stahl
Symposium of Student Scholars
Do chemical pollutants that persistent in the environment and bioaccumulate in the body affect human health and behavior? Could these Persistent, Bioaccumulative, and Toxic (PBT) chemicals play a role in the cause of violent crimes due to deterioration of mental and cognitive functions? In the past, Mercury, a PBT chemical, has been shown in salmon to be associated with aggression. Could similar aggression occur in humans exposed to mercury through a toxic spill? Two sources of data are utilized in this analysis. The Environmental Protection Agency’s (EPA) Annual Toxic Release Inventory publishes data on toxic releases into the environment and …
Stable Hydrogen Isotopes Of Aquatic-Emergent Versus Terrestrial Insects In Southern Ontario, Celina Y. Tang
Stable Hydrogen Isotopes Of Aquatic-Emergent Versus Terrestrial Insects In Southern Ontario, Celina Y. Tang
Undergraduate Student Research Internships Conference
Aquatic-emergent insects are vectors of both contaminants and nutrients, linking the aquatic system to the terrestrial system. Aquatic-emergent insects are high in omega-3 fatty acids that benefit terrestrial aerial insectivores, such as bats and birds. With aerial insectivores on a decline, a contributing factor could be a decrease in the quality of insects. We collected insects from lakeshore and inland locations in Southern Ontario. Insects sampled included bees, wasps, ants, beetles, caddisflies, craneflies, dragonflies, marchflies, mayflies, midges, other flies, and true bugs. Insects’ wings and powdered bodies were then analyzed for stable hydrogen isotopes (d2H) in order …
Media Analysis Of Coverage Of Environmental Issues In The Midst Of A Pandemic, Alexandria N. Miller, Lucia A. Bolles
Media Analysis Of Coverage Of Environmental Issues In The Midst Of A Pandemic, Alexandria N. Miller, Lucia A. Bolles
Thinking Matters Symposium
This research aimed to answer the question “has the coronavirus impacted the print media’s coverage of important environmental issues?” The research analyzed 2 different print newspapers - The New York Times and the Wall Street Journal - to determine if there was a change in coverage of environmental news as the coronavirus spread in the US. Data for stories published in the first four days of every month from March through September was compiled for 2019 and 2020. Our findings showed a 78.85% decrease in coverage of environmental issues between 2019 and 2020 when stories related to the coronavirus pandemic …
041— Fiber Decomposition And Pretreatment Analysis Of Cannabis Sativa L.: Hemp, Dina Bu, Jessica Roggie, Sarah Schmidlin, Barnabas Gikonyo
041— Fiber Decomposition And Pretreatment Analysis Of Cannabis Sativa L.: Hemp, Dina Bu, Jessica Roggie, Sarah Schmidlin, Barnabas Gikonyo
GREAT Day Posters
Hemp is a subspecies of Cannabis sativa L. along with marijuana, yet the two differ in chemical constituent levels of delta-9-tetrahydrocannabinol (THC) and cannabidiol (CBD). Hemp contains 0.3% THC, compared to marijuana 17.1%, allowing it to be a safe and compelling biomass for investigation. The refined products of hemp are vast due to its fast-growing properties; therefore various commercial industries have included refined hemp in biofuels, biodegradable plastics, textiles, dietary supplements, paper, clothing, and much more. Construction and manufacturing applications have also been seen to include hemp to strengthen their composite products. The high-yielding, sustainable, and environmentally friendly qualities …
006— Pretreatment And Fiber Content Analysis Of Cannabis Sativa, Dina Bu, Jessica Roggie, Sarah Schmidlin, Barnabas Gikonyo
006— Pretreatment And Fiber Content Analysis Of Cannabis Sativa, Dina Bu, Jessica Roggie, Sarah Schmidlin, Barnabas Gikonyo
GREAT Day Posters
Cannabis sativa commonly known as hemp is one of the fastest-growing plants whose refined products have immense commercial value. Various products include refined hemp such as: biofuels, biodegradable plastics, textiles, dietary supplements, paper, clothing, and much more. Hemp fibers are also used in construction and manufacturing applications by strengthening their composite products. Hemp is a high yielding, sustainable, and environmentally friendly crop due to its various qualities, and has the potential to yield valuable raw materials for a great number of applications. Our research evaluates the pretreatment of hemp as well as the comparative analysis of the fiber content thereof. …
The Effect Of Changing Substrate On Arctic Aquatic Invertebrates Abundance, Tom Dolman
The Effect Of Changing Substrate On Arctic Aquatic Invertebrates Abundance, Tom Dolman
Michael D. Wilson Symposium
Climate change is directly affecting tundra ecosystems in northern regions, and warming temperatures have caused discontinuous permafrost and thawing sediments across the region. This project investigates how increasing erosion and the foraging patterns of migratory snow geese may degrade habitat for aquatic invertebrates in the upper Mast River, located in Wapusk National Park, Manitoba, Canada. In the past two decades, many of the important species of aquatic invertebrates have shown declines. Declining invertebrate populations are predicted to affect aquatic ecosystems and decrease the resources available to shorebirds and waterfowl, which breed and migrate through this area.
Possible Mechanisms Behind Impaired Glucose Metabolism In Niacin-Deficient Mice, Sierra Lopez
Possible Mechanisms Behind Impaired Glucose Metabolism In Niacin-Deficient Mice, Sierra Lopez
Student Research Symposium
Niacin, a component of vitamin B3, is necessary for the synthesis of nicotinamide adenine dinucleotide (NAD). NAD is an essential coenzyme in many biologic functions, including a number of metabolic processes that regulate glucose and fat homeostasis. Humans obtain niacin in its dietary form, common in meats, nuts, legumes and some leafy vegetables. While severe niacin deficiency, or pellagra, has been drastically reduced in the United States, some populations remain vulnerable to deficiency, particularly pregnant women, cancer patients, the elderly and alcoholics. Age-related NAD deficiency is emerging as being positively correlated with cognitive decline and impaired dermal repair.. At the …
Indoor Vertical Farming Potential Solution To Long-Term Global Food Security Issues, Natalie Rigby
Indoor Vertical Farming Potential Solution To Long-Term Global Food Security Issues, Natalie Rigby
Student Research Symposium
Indoor vertical farming may be a solution for global food security issues, especially those driven by climate change, supply chain disruptions, environmental decline, and urban sprawl. This method of cultivation has numerous benefits and drawbacks dependent on the different options used. This presentation will use resilience frameworks developed by USU's Center for Anticipatory Intelligence to help identify these threats facing global food systems and how they may be mitigated by indoor vertical farms. In the coming years, rapid climate change issues are predicted to play an important role in agriculture around the world. The world currently faces a number of …
Propagation, Upkeep, And Impact On Mental Health And Classroom/Workplace Success Of Dracaena Trifasciata, Chlorophytum Comosum, And Philodendron Hederaceum, Ivan Korostenskij
Propagation, Upkeep, And Impact On Mental Health And Classroom/Workplace Success Of Dracaena Trifasciata, Chlorophytum Comosum, And Philodendron Hederaceum, Ivan Korostenskij
Showcase of Osprey Advancements in Research and Scholarship (SOARS)
Honorable Mention Winner
Environmental Center Leadership Program Project
Greenery and plant life has been shown to increase quality of life and overall wellness in classroom and work environments (Erzsebet et al. 7; Pitts 2). Specifically, many ornamental plants have unique roles in filtering toxic chemicals from ambient air (Erzsebet et al. 3). With a recent push to increase student involvement in a greener environment, in conjunction with the University of North Florida’s Ogier Gardens, we focus here to determine and describe the most optimal plants to propagate and increase student engagement with. We chose Dracaena trifasciata, Chlorophytum comosum, and Philodendron …
Endangered Bat Conservation In Wsu Woods, Olivia Norris, Josh Miller, Mitchell Link, Molly Nelson, Susan Fike
Endangered Bat Conservation In Wsu Woods, Olivia Norris, Josh Miller, Mitchell Link, Molly Nelson, Susan Fike
Runkle Woods Symposia
Our project focused on two endangered bat species in the Wright State Woods, the Indiana Bat and the Little Brown Bat. Our presentation covers topics such as general info, social behaviors, current threats, bat boxes, and conservation methods and goals.
Wright State Prairie Expansion, Kailani Sparrow, Reynold Kojo Papa Afful Ephraim
Wright State Prairie Expansion, Kailani Sparrow, Reynold Kojo Papa Afful Ephraim
Runkle Woods Symposia
Our plan is to convert the northern edge of Wright State Woods along Kaufman Ave. into a prairie to provide a habitat for pollinator species that are declining due to habitat loss and other factors and to provide a scenic and educational area
Your Mom Isn’T Here To Pick Up After You… In Your Dorm Or On The Rest Of Campus, Madison Glass, Jonathan Hume, Mckenzie Stefanoff, Brandon Butler
Your Mom Isn’T Here To Pick Up After You… In Your Dorm Or On The Rest Of Campus, Madison Glass, Jonathan Hume, Mckenzie Stefanoff, Brandon Butler
Runkle Woods Symposia
Research and the litter that plagues the Wright State University Woods and what we can do about it as a campus community.
The Impacts Of Fishing And Stochasticity On Saving Coral Reefs, Robyn Blevins, Jordan Penn, Christopher Stieha
The Impacts Of Fishing And Stochasticity On Saving Coral Reefs, Robyn Blevins, Jordan Penn, Christopher Stieha
Annual Symposium on Biomathematics and Ecology Education and Research
No abstract provided.
Microplastic Monitoring In Richardsonius Balteatus From Ross Lake, Wa, Sarah Vanlandingham, Anne Fuenzalida
Microplastic Monitoring In Richardsonius Balteatus From Ross Lake, Wa, Sarah Vanlandingham, Anne Fuenzalida
Scholars Week
Recent work has shown that microplastics are present in glaciers. This is a concern for water bodies such as Ross Lake (WA) where glacier runoff may transport the microplastics into the watershed and be available to aquatic organisms. Currently there is no evaluation of how organism storage methods may impact microplastic recovery. In this study microplastic type and color in whole body Richardsonius balteatus (redside shiners) from Ross Lake were counted. Fish were collected from Ross Lake on July 6th, 2019. Approximately half of the samples were stored in ethanol and the remainder on ice. Characteristics including color and type …
Assessing The Legacy Of Large Woody Debris As Coastal Protection In Bc And Washington, Jessica Wilson
Assessing The Legacy Of Large Woody Debris As Coastal Protection In Bc And Washington, Jessica Wilson
Salish Sea Ecosystem Conference
Large Woody Debris (LWD) accumulates naturally in the coastal environment (Brennan et al., 2009; Sass, 2009) and is thought to be a vital component of a diverse coastal habitat ( Rich et al., 2014). Decreasing natural coverage of LWD (Heathfield & Walker, 2011) and increasing demand for environmentally sensitive coastal protection techniques has led to the promotion of LWD as a viable nature-based method of shoreline protection (e.g. Johannessen et al., 2014; Stewardship Centre for BC, 2016; Washington Department of Fish and Wildlife, 2016). However, there is currently no peer-reviewed literature assessing the efficacy of coastal protection using LWD. This …
Northern Kelp Crab (Pugettia Producta) Feeding Preferences - Kelp Crabs Eat Kelp, And Lots Else?, Katie Dobkowski
Northern Kelp Crab (Pugettia Producta) Feeding Preferences - Kelp Crabs Eat Kelp, And Lots Else?, Katie Dobkowski
Salish Sea Ecosystem Conference
Bull kelp (Nereocystis luetkeana) is an important source of both habitat and primary production in the Salish Sea and appears to be in decline in certain areas. Northern Kelp Crabs (Pugettia producta) are large crustacean consumers that preferentially consume N. luetkeana over other local seaweed species in laboratory feeding trials and exert some level of top-down control on kelp populations in the field. We have observed differences in kelp crab density around the Salish Sea and noted P. producta living on invasive wireweed (Sargassum muticum) as well as on kelp and in other habitats. We used a combination of laboratory …
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” …
A Journey, Not A Destination: An Agency Approach To Incorporate Diversity, Equity, Inclusion, And Justice, Alexandra Doty
A Journey, Not A Destination: An Agency Approach To Incorporate Diversity, Equity, Inclusion, And Justice, Alexandra Doty
Salish Sea Ecosystem Conference
Puget Sound environmental recovery is a complex, wicked problem, including both ecosystem and human and cultural wellbeing. The Puget Sound Partnership (Partnership) is a small Washington State agency that serves as a backbone organization guiding Puget Sound recovery, coordinating and collaborating with hundreds of partner organizations to accelerate recovery of Puget Sound. Our partner organizations include state and federal agencies, tribes, cities, counties, non-profits, academic institutions, special purpose districts, and many others. In 2018, the Partnership began a journey to better enable and foster diversity, equity, inclusion, and justice within the agency itself, as well as within the Puget Sound …
Begin At The Beginning: Steps, Stumbles And Learnings On The Path To Understanding And Implementing Dei Practices In Regional Engo., Christianne Wilhelmson
Begin At The Beginning: Steps, Stumbles And Learnings On The Path To Understanding And Implementing Dei Practices In Regional Engo., Christianne Wilhelmson
Salish Sea Ecosystem Conference
In 2018, Georgia Strait Alliance made the decision to begin the journey of addressing the complex issue of diversity, equity and inclusion (DEI) in our organization, one that like many environmental groups in BC lacks diversity in its staff and board. We prioritized this as we recognized there is an inherent risk that our work and our organization could become irrelevant if we don’t represent the communities we claim to serve. In addition to diversity, we also needed to address the need to deepen our relationships with indigenous communities in the Georgia Strait region and reflect those relationships in our …
295— Biomimicry: Investigating The Active Site Model Of Lactate Racemase, Stephanie Podguski, Maisy Ross
295— Biomimicry: Investigating The Active Site Model Of Lactate Racemase, Stephanie Podguski, Maisy Ross
GREAT Day Posters
Because of humans’ heavy impact on nature with industrialization and resource extraction, biomimetics, also known as biomimicry, is a study that has emerged. Biomimetics utilizes observations from nature to comprehend the principles of underlying mechanisms and apply concepts that may benefit science, medicine, engineering and the like. An area of biochemistry we are applying this to is the lactate racemase enzyme.This metalloenzyme is found in many prokaryotic organisms and catalyzes the interconversion between the two optical isomers of lactic acid. The structure of this enzyme consists of a square-planar nickel (II) ion coordinated by a histidine residue and a pincer …
Reconstructing A Century Of Coastal Productivity And Predator Trophic Position In The Salish Sea Using Archival Harbor Seal Bone., Megan Feddern
Reconstructing A Century Of Coastal Productivity And Predator Trophic Position In The Salish Sea Using Archival Harbor Seal Bone., Megan Feddern
Salish Sea Ecosystem Conference
Following the passage of the Marine Mammal Protection Act of 1972, pinniped populations along the west coast of North America experienced exponential population increases following historic lows in the 1970's. In the Salish Sea, this increase in pinniped abundance also corresponded to large scale changes environmental condition (ie. Pacific Decadal Oscillation; PDO) and declines of prey species (forage fish, salmon), creating new challenges and tradeoffs for fisheries management in the region. The objective of this research is to understand how an abundant top predator, harbor seals, respond to bottom up forces in the system such as shifts in primary productivity …
Shifting Phenology Of An Apex/Specialist Predator Tracks Changes In Its Favored Prey, Ailene Ettinger
Shifting Phenology Of An Apex/Specialist Predator Tracks Changes In Its Favored Prey, Ailene Ettinger
Salish Sea Ecosystem Conference
Phenology, or the timing of biological activities such as migration, growth, and reproduction, can have dramatic implications for fitness; consumer phenology that is out of step with its resource phenology can cause increased mortality or reduced reproductive success. The timing of southern resident killer whale (SRKW, Orcinus orca) movements in the Salish Sea is thought to be related to seasonal migrations of their prey. In recent decades, the abundance and phenology of the favored prey of SRKWs, salmon, has shifted in many locations across the western United States. Here, we use the OrcaMaster Database to quantify seasonal variation in SRKW …
Sources, Sinks, Dispersion And Cycling Of Dissolved Polybrominated Diphenyl Ethers (Pbdes) Discharged In The Strait Of Georgia, Yuanji Sun
Salish Sea Ecosystem Conference
The temporal and spatial distribution of dissolved PBDE concentration in the Strait of Georgia (SoG) is combined with concentrations predicted from a time-dependent box model of the Salish Sea to investigate the sources, sinks, dispersion and cycling of PBDE congeners. Prominent sub-surface concentration maxima (up to ca. 400 pg/L for total PBDE) occasionally measured in the southern SoG point to the Iona Island Waste Water Treatment Plant diffusers, discharging primary-treated effluent at 72 - 106 m depth, as an important proximal point source of dissolved PBDE. The decreasing depth of concentration maximum with increasing congener bromination suggests that dissolved PBDEs …
Harbor Porpoises (Phocoena Phocoena Vomerina) Catching And Handling Large Fish On The U.S. West Coast, Katrina Maciver
Harbor Porpoises (Phocoena Phocoena Vomerina) Catching And Handling Large Fish On The U.S. West Coast, Katrina Maciver
Salish Sea Ecosystem Conference
The harbor porpoise is a cryptic species, and information on their behavior is limited. This study describes the chase and capture of large fish by harbor porpoises (Phocoena phocoena vomerina) in the Salish Sea off Fidalgo Island, Washington, which were identified as salmonid species (2017/2019). Similar large fish chase/capture events of American Shad (Alosa sapidissima) have also been documented in San Francisco, CA (2016/2017). In all capture events consistent behavior was observed: the porpoise accelerated after the fish, swimming in a circle at the same spot, diving and coming out of the water head first carrying the fish cross-wise in …