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Articles 601 - 630 of 3704
Full-Text Articles in Entire DC Network
Proceedings Of The Sixteenth North American Crane Workshop: Abstracts, Megan E. Brown, Barry K. Hartup, Jane E. Austin
Proceedings Of The Sixteenth North American Crane Workshop: Abstracts, Megan E. Brown, Barry K. Hartup, Jane E. Austin
Proceedings of the North American Crane Workshop
Following is a list of all abstracts of presentations given at the 16th North American Crane Workshop (2023), some of which were not published in these Proceedings.
Letter From The Dean, Jean-Francois Meullenet
Letter From The Dean, Jean-Francois Meullenet
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Discovery: The Student Journal Of Dale Bumpers College Of Agricultural, Food And Life Sciences - Volume 24 2023, Several Authors
Discovery: The Student Journal Of Dale Bumpers College Of Agricultural, Food And Life Sciences - Volume 24 2023, Several Authors
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Letter From The Faculty Editor, Beth Kegley
Letter From The Faculty Editor, Beth Kegley
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Effects Of Time-Restricted Feeding And Whey Protein Isolate Supplementation On Dietary Intake, Mood, And Sleep In A 12-Week Randomized Controlled Trial, Sydney E. Boudrey, Aubree L. Hawley
Effects Of Time-Restricted Feeding And Whey Protein Isolate Supplementation On Dietary Intake, Mood, And Sleep In A 12-Week Randomized Controlled Trial, Sydney E. Boudrey, Aubree L. Hawley
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Obesity affects adults in the United States, leading to chronic diseases and reduced well-being. Time-Restricted Feeding (TRF) is a type of dietary intervention lacking current data regarding the effectiveness on facets of well-being. This study’s objective was to determine the effect of time-restricted feeding supplemented with whey protein isolate on food intake, sleep, and mood in overweight or obese adults. Nineteen participants were randomly assigned to the control or experimental group: 1) control, TRF, and 2) experimental, TRF with whey protein supplementation. Participants followed the assigned dietary intervention for 12 weeks. Every 4 weeks (baseline, week 4, week 8, and …
Rice Biomass Response To Various Phosphorus Fertilizers In A Phosphorus-Deficient Soil Under Simulated Furrow-Irrigation, Jonathan B. Brye, Kristofor R. Brye, Diego Della Lunga
Rice Biomass Response To Various Phosphorus Fertilizers In A Phosphorus-Deficient Soil Under Simulated Furrow-Irrigation, Jonathan B. Brye, Kristofor R. Brye, Diego Della Lunga
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Wastewater-recovered phosphorus (P), in the form of the mineral struvite (MgNH4PO4∙6H2O), may provide a sustainable alternative to decreasing rock-phosphate reserves. Struvite can be generated via precipitation methods, potentially reducing the amount of P runoff to aquatic ecosystems. The objective of this greenhouse tub study was to evaluate the effects of chemically and electrochemically precipitated struvite (CPST and ECST, respectively) on aboveground plant response in a hybrid rice cultivar grown using furrow-irrigation compared to other common fertilizer-P sources [i.e., triple super phosphate (TSP) and diammonium phosphate (DAP)] using three replications of fertilizer treatment in a P-deficient silt loam (Typic Glossaqualfs). Aboveground …
Fostering Infant And Toddler Music Competence At The Jean Tyson Child Development Study Center, Ellen Mathews, Laura Herold, Shelley Mcnally, Donia Timby
Fostering Infant And Toddler Music Competence At The Jean Tyson Child Development Study Center, Ellen Mathews, Laura Herold, Shelley Mcnally, Donia Timby
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
This paper presents a creative research project that introduced musical instruments in an outdoor setting to infants and toddlers ages 0-to-3 years old. It was grounded in research suggesting that music plays a vital component in expanding development in the early childhood years, helping to promote learning across many domains. This project began with a survey distributed to 7 infant and toddler classroom educators, after which responses were analyzed for themes regarding perceived infant interests. Subsequent observations were conducted to evaluate the best fit for the implementation of an outdoor experiential music space. Based on the findings, a developmentally appropriate …
Effects Of Cyclic Heat Stress On The Acute Inflammatory Response In Broilers, Alessandro J. Rocchi, Chrysta N. Beck, Jossie M. Santamaria, Gisela F. Erf
Effects Of Cyclic Heat Stress On The Acute Inflammatory Response In Broilers, Alessandro J. Rocchi, Chrysta N. Beck, Jossie M. Santamaria, Gisela F. Erf
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Heat stress (HS) is a growing concern in broiler production. Little is known regarding the effect of HS on immune function. To examine the effects of HS on innate immunity, the local- and systemic-inflammatory responses to lipopolysaccharide (LPS) were examined in Cobb 500 male broiler chicks reared under thermoneutral (TN) or cyclic HS conditions. Beginning at four days of age, HS birds were subjected to 35 °C from 8:00 a.m. to 10:00 p.m. and TN temperatures from 10:00 p.m. to 8:00 a.m. At 37 days of age, four groups of broilers were formed: LPS-TN (8 broilers), phosphate-buffered saline (PBS)-TN (4 …
An Inclusive Playground For Infant And Toddler Development, Amanda M. Swartz, Jacquelyn D. Wiersma-Mosley, Donia Timby, Shelley Mcnally, Caitlyn Daniel
An Inclusive Playground For Infant And Toddler Development, Amanda M. Swartz, Jacquelyn D. Wiersma-Mosley, Donia Timby, Shelley Mcnally, Caitlyn Daniel
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
The purpose of this project was to help children reach more developmental goals and to make outdoor play at the Jean Tyson Child Development Study Center more inclusive for all children. Children gain many developmental goals from playing outside and being exposed to other environments as compared to just being inside the classroom. Outdoor play should be as inclusive as indoor play and offer many different activities and outlets, just as the indoor classroom does. The implementation of this service-learning creative project was to add more versatility to the outdoor area at the University of Arkansas Jean Tyson Child Development …
Validation Of A Diagnostic Marker For Primocane-Fruiting In Blackberry, Isabella Vaughn, Alexander Silva, Carmen Johns, Lacy Nelson, Margaret Worthington
Validation Of A Diagnostic Marker For Primocane-Fruiting In Blackberry, Isabella Vaughn, Alexander Silva, Carmen Johns, Lacy Nelson, Margaret Worthington
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Typical blackberries (Rubus subgenus Rubus) have perennial crowns and roots and biennial canes. The first-year canes (primocanes) are usually vegetative, while second-year canes (floricanes) produce fruit. Primocane-fruiting blackberries produce fruit on first-year canes and are desirable to growers because they potentially allow for a longer harvest season in temperate regions and enable production in tropical areas where no natural chill hours are accumulated. The development of molecular markers for desirable traits can potentially increase efficiency in blackberry breeding. However, to date, there are no diagnostic molecular markers for economically important traits in blackberries. Primocane-fruiting is recessively inherited, and tetraploid blackberries …
Climate, Physiology, And Distributions: The Role Of Thermal Physiology In Biological Invasions, Sean D. Powers
Climate, Physiology, And Distributions: The Role Of Thermal Physiology In Biological Invasions, Sean D. Powers
Theses and Dissertations
Climate is a primary factor influencing species range dynamics, particularly for ectotherms whose body temperature is closely tied to the surrounding conditions. While range shifts of ectotherms are attributed to climate warming, the mechanism driving these shifts are not well understood. Studies in macrophysiology demonstrate that the interaction of climate with thermal physiology plays a key role in determining large-scale spatial and temporal patterns for many temperature-sensitive physiological traits. This work has revealed a clear relationship between thermal tolerance breadth and range size. However, more recent analyses of this relationship demonstrate that thermal tolerance breadth only provides a partial explanation …
Investigating The Fish Community Of The Neosho River System, Ethan John Rasset
Investigating The Fish Community Of The Neosho River System, Ethan John Rasset
Graduate Theses/Dissertations
Barrier presence in river systems has been documented to impact fishes. Low head dams specifically are frequently occurring barriers in riverine environments. Well supported impacts of these structures on fishes include diminished movement, reproduction, and habitat availability. Longitudinal patterns in riverine fish communities have long been researched to ascertain dynamics and display interactions. The need for research becomes more critical when factoring in impacts of barriers and detrimental invasive species. Knowledge of fish communities can inform fisheries biologists and aid in improved management practices for recreational and ecologically important species, as well as invasive species. The Neosho River-Grand Lake system …
Impacts Of Viral Infection By Ma-Lmm01 On Microcystin Production By Microcystis Aeruginosa, Amber Elizabeth Haley
Impacts Of Viral Infection By Ma-Lmm01 On Microcystin Production By Microcystis Aeruginosa, Amber Elizabeth Haley
Senior Honors Theses and Projects
Increasing global temperatures and nutrient availability from anthropogenic sources have contributed to climate change and pollution in waterways. Environmental changes have promoted annual harmful algal blooms (HABs), which have the potential to lead to conditions that negatively affect aquatic ecosystems and organisms that depend on them. HABs can impact water quality through the release of soluble toxins (e.g., microcystin), produced by cyanobacteria that can bypass standard drinking water processing protocols. It has been suggested that viral infections of cyanobacteria may contribute to increased production and release of microcystins. In this project, two hypotheses were assessed: 1) virus-mediated lysis releases toxins …
Mycorrhizal Feedbacks Influence Global Forest Structure And Diversity, Camille S. Delavaux, Joseph A. Lamanna, Jonathan A. Myers, Richard P. Phillips
Mycorrhizal Feedbacks Influence Global Forest Structure And Diversity, Camille S. Delavaux, Joseph A. Lamanna, Jonathan A. Myers, Richard P. Phillips
Biological Sciences Faculty Research and Publications
One mechanism proposed to explain high species diversity in tropical systems is strong negative conspecific density dependence (CDD), which reduces recruitment of juveniles in proximity to conspecific adult plants. Although evidence shows that plant-specific soil pathogens can drive negative CDD, trees also form key mutualisms with mycorrhizal fungi, which may counteract these effects. Across 43 large-scale forest plots worldwide, we tested whether ectomycorrhizal tree species exhibit weaker negative CDD than arbuscular mycorrhizal tree species. We further tested for conmycorrhizal density dependence (CMDD) to test for benefit from shared mutualists. We found that the strength of CDD varies systematically with mycorrhizal …
“Anything From The Land Is Good”: Understanding How Community Gardening In Kakisa, Northwest Territories, Can Contribute To Indigenous Food Sovereignty, Michelle Malandra
“Anything From The Land Is Good”: Understanding How Community Gardening In Kakisa, Northwest Territories, Can Contribute To Indigenous Food Sovereignty, Michelle Malandra
Theses and Dissertations (Comprehensive)
Rates of food insecurity in Canada’s northern Indigenous communities are at levels that should constitute an emergency. Dominant explanations for these high rates of food insecurity often ignore the ongoing impacts of colonization and over-emphasize individual choices and nutritional guidelines developed by outsiders. The importance of holistic community health is ignored, along with the cultural and social values and practices that support community health and well-being, including traditional food systems. As the acute impact of climate change in the North threatens traditional food access, a shift toward an Indigenous food sovereignty approach in health and food policy is needed. With …
Development Of Novel Detection Methods For Food Safety Using State-Of-The-Art Technology Platforms, Prae Noppakuadrittidej
Development Of Novel Detection Methods For Food Safety Using State-Of-The-Art Technology Platforms, Prae Noppakuadrittidej
Chulalongkorn University Theses and Dissertations (Chula ETD)
Foodborne illness is a significant global public health concern, impacting both the economy and human health. These illnesses are caused by bacteria, viruses, parasites, toxins, and chemicals. This research developed two technology platforms for Bacillus cereus and tropane alkaloid compounds detections. First, traditional detection methods for B. cereus have limitations in long analysis time, and dependence on analysis and interpretation by skilled personnel. Therefore, this study introduces a robust detection method using peptide nucleic acids (PNAs) bearing with a prolyl-2-aminocyclopentanecarboxylic acid (ACPC) backbone as probes in a bead array method. PNAs with groEL, motB, and 16S rRNA sequences were covalently …
An Analysis Of Water Quality At Orange County, California Beaches, Naomi Meurice
An Analysis Of Water Quality At Orange County, California Beaches, Naomi Meurice
Pomona Senior Theses
Beaches in Southern California are highly recreated by residents and visitors, making beaches socially and economically important. Public health departments in coastal communities are in charge of measuring water quality and ensuring it is safe for users. Research in the past has indicated that beach water quality gets worse after storms, with bacteria levels jumping on the day of a storm and staying high for up to five days. Studies have shown these spikes in bacteria to be associated with storm runoff, with beaches closer to runoff discharge locations experiencing more impact. However, prior research has not considered the period …
Exploring The Diversity Of Microeukaryotic Communities In New England Tide Pools, Adri K. Grow, Robin S. Sleith, Taylor R. Sehein, Michaela Labare, Laura A. Katz
Exploring The Diversity Of Microeukaryotic Communities In New England Tide Pools, Adri K. Grow, Robin S. Sleith, Taylor R. Sehein, Michaela Labare, Laura A. Katz
Biological Sciences: Faculty Publications
Though historically understudied, due in large part to most species being uncultivable, microbial eukaryotes (i.e. protists) are abundant and widespread across diverse habitats. Recent advances in molecular techniques, including metabarcoding, allow for the characterization of poorly known protist lineages. This study surveys the diversity of SAR (Stramenopila, Alveolata, and Rhizaria), a major eukaryotic clade that is estimated to represent about half of all eukaryotic diversity. SAR lineages use varied metabolic strategies like mixotrophy in dinoflagellates (Alveolata), parasitism in apicomplexans (Alveolata) and labyrinthulids (Stramenopila), and life cycle stages that include encystment and attachment (e.g. in ciliates, Alveolata) to survive in highly …
Improving Indoor Arenas For The Equine Industry, Staci Mcgill
Improving Indoor Arenas For The Equine Industry, Staci Mcgill
Theses and Dissertations--Biosystems and Agricultural Engineering
Equine indoor arenas are a unique infrastructure investment found at equine farms and facilities. They are semi-indoor structures for exercising horses, exhibiting skills during competitive events, and other equine related activities. These spaces do not always include mechanical ventilation or stirring fans and occupancy by horses and humans can be sporadic and inconsistent, which creates a challenging space for understanding and predicting airflow. Typically, indoor arenas have a sand-based footing over which the horse travels. The impact of the hooves can cause dust to become a concern within the facilities. Environmental concerns within these facilities (temperature, respirable dust, moisture, and …
Concrete Everywhere: A Project-Based Analysis Of The Unequal Distribution Of Warehouses In Fontana, Chanah Haigh
Concrete Everywhere: A Project-Based Analysis Of The Unequal Distribution Of Warehouses In Fontana, Chanah Haigh
Scripps Senior Theses
Unjust legislation and zoning practices drive the excess of warehouses in Fontana, California whose impacts fall disproportionately on low income communities of color. This paper addresses the environmental and health impacts of warehouses, as well as the legislation and the use of zoning which bring them to Fontana. Original maps show the spread of warehouses over census tract level data depicting race, income, and environmental factors such as diesel particulate matter. State and local legislation is analyzed to determine its intended effect and how well it has been enforced. Research was conducted through a project based thesis done in conjunction …
The Links To Cancer: How Golf Became Dangerous And What We Can Do To Save The Game, Meredith Boos
The Links To Cancer: How Golf Became Dangerous And What We Can Do To Save The Game, Meredith Boos
Undergraduate Theses, Professional Papers, and Capstone Artifacts
This study is a comprehensive meta-analysis on health claims linked to exposure to golf courses, more specifically the chemicals used to maintain their appearance. It provides a brief history of the golf industry and how its growth exacerbated the environmental impact as well as an explanation of the legal landscape that will affect golf course management. Golf courses can disrupt local ecologies, contaminate ground water, rivers, lakes and streams with run-off, and be responsible for the bioaccumulation of chemicals which remain dangerous for decades. Despite the adverse effects of golf courses on the environment, there remains an opportunity to transform …
Quantifying The Carbon Stored And Sequestered By The Trees On Pomona College’S Campus, Paola A. Giron-Carson
Quantifying The Carbon Stored And Sequestered By The Trees On Pomona College’S Campus, Paola A. Giron-Carson
Scripps Senior Theses
We are experiencing a climate crisis that must be confronted with strategic mitigation. Pomona College contributes to the climate crisis through its emissions for which there is a baseline record. However there is no baseline record of the climate mitigation currently performed by the trees on Pomona’s campus through carbon storage. This study seeks to determine a current baseline quantity of carbon stored and sequestrated by Pomona’s trees as well as possible courses of climate mitigation for Pomona College to take. Initial information gathering was conducted through interviews with several stakeholders. This study was conducted using data collected prior to …
Relationships Between Behavior, Energy Metabolites, And Corticosterone In Black-Legged Kittiwake (Rissa Tridactyla) Nestlings, Sierra Pete
Master’s Theses
Birds can cope with energy-shifting challenges by redirecting energy and behavior to maintain energetic homeostasis. Nestlings allocate energy to support their rapid growth and developmental period; thus, their challenges and the subsequent energetic demands can be much different than an adult. At a baseline level, energy is constantly shifting in response to regularly occurring challenges; however, more substantial challenges can initiate the production of glucocorticoid hormones. In birds, the main glucocorticoid is corticosterone. Corticosterone is believed to aid in energy homeostasis by redirecting energy metabolite mobilization. Energy metabolites are intermediaries or end products of cellular metabolism, thus, metabolites like glucose …
Integrating Human Dimensions In Decadal-Scale Prediction For Marine Social Ecological Systems: Lighting The Grey Zone, Jess Melbourne-Thomas, Desiree Tommasi, Marion Gehlen, Eugene J. Murphy, Jennifer Beckensteiner, Francisco Bravo, Tyler D. Eddy, Mibu Fischer, Elizabeth Fulton, Mayya Gogina, Eileen Hofmann, Maya Ito, Sara Mynott, Kelly Ortega-Cisneros, Anna N. Osiecka, Mark R. Payne, Romeo Saldívar-Lucio, Kim J.N. Scherrer
Integrating Human Dimensions In Decadal-Scale Prediction For Marine Social Ecological Systems: Lighting The Grey Zone, Jess Melbourne-Thomas, Desiree Tommasi, Marion Gehlen, Eugene J. Murphy, Jennifer Beckensteiner, Francisco Bravo, Tyler D. Eddy, Mibu Fischer, Elizabeth Fulton, Mayya Gogina, Eileen Hofmann, Maya Ito, Sara Mynott, Kelly Ortega-Cisneros, Anna N. Osiecka, Mark R. Payne, Romeo Saldívar-Lucio, Kim J.N. Scherrer
CCPO Publications
The dynamics of marine systems at decadal scales are notoriously hard to predict-hence references to this timescale as the "grey zone" for ocean prediction. Nevertheless, decadal-scale prediction is a rapidly developing field with an increasing number of applications to help guide ocean stewardship and sustainable use of marine environments. Such predictions can provide industry and managers with information more suited to support planning and management over strategic timeframes, as compared to seasonal forecasts or long-term (century-scale) predictions. The most significant advances in capability for decadal-scale prediction over recent years have been for ocean physics and biogeochemistry, with some notable advances …
Heading For A Breakdown: Assessing Evolution Through The Hybridization Of Two Sexual Systems, Diamanda A. Zizis
Heading For A Breakdown: Assessing Evolution Through The Hybridization Of Two Sexual Systems, Diamanda A. Zizis
Honors Theses
Hybridization is an important evolutionary pathway that has contributed to the world’s vast biodiversity. In plants, especially angiosperms, hybridization is known to be an important mechanism for speciation, phenotypic divergence, and changes in reproductive systems. Solanum species present an ideal system to investigate how hybridization between two different sexual systems impacts the reproductive and phenotypic biology of the hybrid progeny. Hybrid seeds were acquired from crosses between Australian Solanum species Solanum dioicum (dioecious) and S. ultraspinosum (andromonoecious) in order to track what happens when you cross two plants with different sexual systems. Vegetative and floral morphological measurements were conducted, and …
Harnessing Citizen Science And Collections Data For Invasive Plant Surveillance, Adin L. Ring
Harnessing Citizen Science And Collections Data For Invasive Plant Surveillance, Adin L. Ring
Library Map Prize
Our main source of information about the distribution of invasive plants in the United States comes from occurrence records in three categories: biological collections (physical plant specimens in museums), citizen science (opportunistic observations by untrained civilians), and invasion monitoring (structured observation by government or non-profit agencies). This study compiles a set of 3.1 million occurrence records of 3,578 introduced plant species in the continental United States, and infers spatial, temporal, and taxonomic biases by comparing the three categories of data. We find that citizen science contributes the largest bulk of records, and does better capturing visually conspicuous plants and very …
Investigating The Potential For Industrial Dairy Farms To Move Towards Sustainability In Western Michigan, Kendra Kay Slater, Rebecca Williams
Investigating The Potential For Industrial Dairy Farms To Move Towards Sustainability In Western Michigan, Kendra Kay Slater, Rebecca Williams
Student Summer Scholars Manuscripts
Industrial dairy farms, also referred to as concentrated animal feeding operations (CAFOS) or factory farms, are often known for the negative effects they have on the environment and animals. However, these farms are the backbone of our food systems supplying 99% of our dairy and meat in the United States. In this qualitative case study, we conduct in-depth interviews and farm transect walks with five industrial dairy farmers in Western Michigan to examine how they view and define sustainability, how they incorporate sustainable practices on their farms, and what they perceive as the barriers to industrial dairy sustainability. To analyze …
Contents, Discovery Editors
Contents, Discovery Editors
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Featured Faculty Mentor/Student Team, Gisela Erf, Alessandro Rocchi
Featured Faculty Mentor/Student Team, Gisela Erf, Alessandro Rocchi
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Temporal, Phenotypic, And Quantitative Characterization Of Thyroid Infiltrating Mononuclear Cells During Development Of Spontaneous Autoimmune Thyroiditis In Obese Strain Chickens, Katelyn M. Clark, Chrysta N. Beck, Gisela F. Erf
Temporal, Phenotypic, And Quantitative Characterization Of Thyroid Infiltrating Mononuclear Cells During Development Of Spontaneous Autoimmune Thyroiditis In Obese Strain Chickens, Katelyn M. Clark, Chrysta N. Beck, Gisela F. Erf
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
The Obese strain (OS) of chickens spontaneously develops autoimmune thyroiditis (SAT) and is a well-established biomedical model for Hashimoto’s thyroiditis in humans. Both conditions are characterized by the infiltration of thyroid glands with mononuclear immune cells resulting in the destruction of thyroid tissue and impairment of the thyroid’s endocrinological functions. Past studies described immune cell infiltration in thyroids of the OS chickens, but the time-course, cell composition, and relative amounts of the various immune cells infiltrating the thyroids have not been well defined. In this project, frozen and stored thyroid glands that were previously collected at 1, 4, 7, 14, …