Other Life Sciences Commons^™

Environmental Differences Between Migratory And Resident Ungulates—Predicting Movement Strategies In Rocky Mountain Mule Deer (Odocoileus Hemionus) With Remotely Sensed Plant Phenology, Snow, And Land Cover, Benjamin Robb, Qiongyu Huang, Joseph O. Sexton, David C. Stoner, Peter Leimgruber

Wildland Resources Faculty Publications

Migration is a valuable life history strategy for many species because it enables individuals to exploit spatially and temporally variable resources. Globally, the prevalence of species’ migratory behavior is decreasing as individuals forgo migration to remain resident year-round, an effect hypothesized to result from anthropogenic changes to landscape dynamics. Efforts to conserve and restore migrations require an understanding of the ecological characteristics driving the behavioral tradeoff between migration and residence. We identified migratory and resident behaviors of 42 mule deer (Odocoileus hemionus) based on GPS locations and correlated their locations to remotely sensed indicators of forage quality, land cover, snow …

The Differences Between Rewilding And Restoring An Ecologically Degraded Landscape, Johan T. Du Toit, Nathalie Pettorelli

Wildland Resources Faculty Publications

1. Rewilding is a developing concept in ecosystem stewardship that involves reorganizing and regenerating wildness in an ecologically degraded landscape, with present and future ecosystem function being of higher consideration than historical benchmark conditions. This approach differs from ecosystem restoration but the two concepts are often conflated because (a) they both rely on similar management actions (at least initially) and (b) it can be erroneously assumed that they both aim for similar states of wildness.
2. Rewilding and restoring both influence biodiversity, and common management actions such as species reintroductions (e.g. beavers or wolves) can be integral to a rewilding project. However, …

Whole-Brain Approaches For Investigating Iron Accumulation By Mri Show No Excess From Occupational Exposure To Welding Fumes, Jennifer Davis

The Journal of Purdue Undergraduate Research

No abstract provided.

Temperature Triggers A Non-Linear Response In Resource–Consumer Interaction Strength, Gustavo S. Betini, Tal Avgar, Kevin S. Mccann, John M. Fryxell

Wildland Resources Faculty Publications

Although temperature is recognized as a major determinant of many ecological processes, it is still not clear whether temperature increase caused by climate change will strengthen or weaken species interactions. One hypothesis is that interactions will respond non‐monotonically to temperature because thermal performance curves, which determine the strength of these interactions, are also non‐monotonic. To evaluate this hypothesis, we developed a temperature‐dependent consumer–resource model and tested predictions from this model in large freshwater mesocosms populated with green algae (Chlorella vulgaris) and herbivorous zooplankton (Daphnia magna). We found both in the model simulations and empirical investigations that …

Ant Diversity Patterns Across Tropical Elevation Gradients: Effects Of Sampling Method And Subcommunity, John T. Longino, Michael G. Branstetter, Philip S. Ward

All PIRU Publications

Local diversity may be influenced by niche assembly processes involving competition for limited resources, or by niche conservatism and the length of time clades have had to diversify. Mid‐elevation peaks in ant diversity on wet forest elevational gradients are most consistent with niche conservatism effects. However, it is possible that subsets of the ant community vary in the degree to which niche assembly processes are important, and this may be revealed by sampling methods that bias toward particular subsets. A previous study of ant‐elevation patterns in Middle American wet forest relied on Winkler sampling, a method that samples much of …

Applied Scientific Demiurgy I – Entrance Examination Information Sheet, Mario Daniel Martín

Journal of Humanistic Mathematics

This document provides all the required information needed by aspiring demiurges to sit the entrance examination for the foundation course Applied Scientific Demiurgy I in the scientific stream of the Bachelor of Applied Demiurgy at the Topological Hyper-university of Technological Cosmology.

Climate Change, Snow Mold And The Bromus Tectorum Invasion: Mixed Evidence For Release From Cold Weather Pathogens, Danielle M. Smull, Nicole Pendleton, Andrew R. Kleinhesselink, Peter B. Adler

Ecology Center Publications

Climate change is reducing the depth and duration of winter snowpack, leading to dramatic changes in the soil environment with potentially important ecological consequences. Previous experiments in the Intermountain West of North America indicated that loss of snowpack increases survival and population growth rates of the invasive annual grass Bromus tectorum; however, the underlying mechanism is unknown. We hypothesized that reduced snowpack might promote B. tectorum population growth by decreasing damage from snow molds, a group of subnivean fungal pathogens. To test this hypothesis, we conducted greenhouse and field experiments to investigate the interaction between early snowmelt and either …

Pasture Chemoscapes And Their Ecological Services, Juan J. Villalba, Karen A. Beauchemin, Pablo Gregorini, Jennifer W. Macadam

Wildland Resources Faculty Publications

Ruminant livestock-production systems are between a rock and a hard place; they are experiencing increasing societal pressure to reduce environmental impacts in a world that demands increased food supply. Recent improvements in the understanding of the nutritional ecology of livestock by scientists may help livestock producers respond to these seemingly contradictory demands. Forages are nutrition and pharmacy centers with primary (nutrients) and plant secondary compounds (PSC; pharmaceuticals, nutraceuticals), which can provide multiple services for the proper functioning of agroecosystems. Legumes with lower contents of fiber and higher contents of nonstructural carbohydrates, coupled with different types and concentrations of PSC (e.g., …

Carbonate Chemistry Characterization In A Low-Inflow Estuary With Recent Seagrass Loss, Jolie Higgins

Master's Theses

Estuaries are dynamic environments that are strongly affected by natural variability, as well as direct and indirect anthropogenic impacts. A better understanding of the drivers of carbon fluxes and biogeochemical variability in estuarine systems is needed, particularly with the increasing threat of ocean acidification. Morro Bay in Central California is a small nationally protected estuary, with seasonally low freshwater inputs. Since 2007, the bay has experienced a significant loss of native seagrass, Zostera marina, which is an important component of the marine ecosystem. Because seagrass photosynthesis decreases carbon dioxide and increases oxygen in the water column, the loss of seagrass …

Fuel Dynamics After Reintroduced Fire In An Old-Growth Sierra Nevada Mixed-Conifer Forest, C. Alina Cansler, Mark E. Swanson, Tucker J. Furniss, Andrew J. Larson, James A. Lutz

Wildland Resources Faculty Publications

Background: Surface fuel loadings are some of the most important factors contributing to fire intensity and fire spread. In old-growth forests where fire has been long excluded, surface fuel loadings can be high and can include woody debris ≥100 cm in diameter. We assessed surface fuel loadings in a long-unburned old-growth mixed-conifer forest in Yosemite National Park, California, USA, and assessed fuel consumption from a management-ignited fire set to control the progression of the 2013 Rim Fire. Specifically, we characterized the distribution and heterogeneity of pre-fire fuel loadings, both along transects and contained in duff mounds around large trees. We …

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Uncharted Territory: Uvm Extension Data Visualization Needs Assessment, Sarah E. Lyman

Food Systems Master's Project Reports

Graphical displays are more effective than textual information at summarizing large volumes of data, improving retention of information, and in persuading behavior change. UVM Extension uses data visualizations every day in its mission to transform academic research into practical recommendations for Vermonters, in topics ranging from nutrition to agriculture. But how are these graphics generated across an organization with more than 100 employees? How can data visualization help advance goals which range from analyzing research to demonstrating community impact? This paper presents the results of a Master’s project study into what tools and skills are already being used at UVM …

The Role Of Gene Expression Noise In Mammalian Cell Survival, Kevin Farquhar

Dissertations & Theses (Open Access)

Drug resistance and metastasis remain obstacles to effective cancer treatment. A major challenge contributing to this problem is cellular heterogeneity. Even in the same environment, cells with identical genomes can display cell-to-cell differences in gene expression, also known as gene expression noise. Gene expression noise can vary in magnitude in a population or in fluctuation time scales, which is influenced by gene regulatory networks.

Currently, it is unclear how gene expression noise from gene regulatory networks contributes to drug survival outcomes in mammalian cells. An isogenic cell line with a noise-modulating genetic system tuned to the same mean is required. …

Conservation Of Threatened Canada-Usa Trans-Border Grizzly Bears Linked To Comprehensive Conflict Reduction, Michael F. Proctor, Wayne F. Kasworm, Kimberly M. Annis, A. Grant Machutchon, Justin E. Teisberg, Thomas G. Radandt, Chris Servheen

Human–Wildlife Interactions

Erratum to "Conservation of Threatened Canada-USA Trans-border Grizzly Bears Linked to Comprehensive Conflict Reduction". https://doi.org/10.26077/yjy6-0m57

Latino Stepcouples’ Experiences Two Years After Stepfamily Education And A Narrative Study Regarding Changes In A Latino Stepfamily Two Years After Stepfamily Education, Sheryl Ann Goodey

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

There are two studies in this dissertation. Both are about couples in a stepfamily who attended stepfamily education called, Smart Steps: Embrace the Journey. The first study explored how 13 Latino stepcouples felt the concepts they learned in stepfamily education influenced their couple relationship, parenting, and their family. Participants ranged in age from 25 to 43. They were interviewed two years after participating in the course. They talked about positive changes that happened in their couple relationship, parenting relationship, and their family as a result of participating in stepfamily education. It was also found that the course helped them …

Cultural Competence: Issues And Benefits In Healthcare Delivery, Tetiana Soloviova, Amina Shahbaz, Fahaneda Hassan, Zoya Vinokur

Publications and Research

The extreme growth of New York State population causes to bring more challenges and opportunities for healthcare organization to provide culturally competent service to meet the need of diverse population. According to data from the US Census Bureau, minority groups are projected to make up nearly 50% of the population by the year 2050 compared with 30% in 2000. Outside of ethnicity, there are also many cultural and social groups with which people identify that may affect how they view or receive healthcare. It is very difficult to provide quality service for a diverse population due to language barriers, health …

Lingering Impacts Of Hurricane Hugo On Rhizophora Mangle (Red Mangrove) Population Genetics On St. John, Usvi, Paul Ax Bologna, James J. Campanella, Dena J. Restaino, Zachary A. Fetske, Matthew Lourenco, John V. Smalley

Marine Biology and Coastal Sciences Faculty Scholarship and Creative Works

Stochastic events can have catastrophic effects on island populations through a series of genetic stressors from reduced population size. We investigated five populations of red mangrove (Rhizophora mangle) from St. John, USVI, an UNESCO Biosphere Reserve, which were impacted by Hurricane Hugo in 1989. Our goal was to determine diversity and to ascertain potential population bottlenecks two decades after the event. With the lowest observed heterozygosity, highest inbreeding coefficient, and evidence of a major bottleneck, our results demonstrated that the Great Lameshur mangroves, devastated by Hurricane Hugo, were the least diverse stand of trees. The other four populations from St. …

Behavioral Responses To Ancestral Predators In Vervet Monkeys (Chlorocebus Pygerythrus) On Misali Island, Tanzania, Isabelle Hanna

Independent Study Project (ISP) Collection

The success of a species depends largely on their ability to recognize and respond to predatory cues. These responses can be controlled through genetic or social factors. This study aimed to assess the ability of vervet monkeys (Chlorocebus pygerythrus) to identify and respond to ancestral predatory cues following long-term isolation on Misali Island, Zanzibar, Tanzania in order to determine if anti-predator behaviors are innate or learned. This was accomplished through exposure of troops to auditory predator cues and the documentation of their behavioral responses. The results of these trials suggest that predator recognition is an innate behavior in C. pygerythrus, …