Digital Commons Network^™

Predicting Amphibian Occurrence Based On Wetland And Landscape Level Factors In Montana, Catherine Anne Mcintyre

Graduate Student Theses, Dissertations, & Professional Papers

Amphibians have a complex life history that requires a mosaic of habitats, including breeding, foraging, and over-wintering areas. Historically, regulators have focused on wetland breeding habitat quality to explain amphibian presence. Recently, other habitat requirements including landscape level factors have been examined. Data collected from amphibian surveys in Montana were used to determine if wetland quality factors or landscape level factors were better determinants of amphibian occurrence at breeding sites. Twenty-six habitat models were constructed a priori for eight species of amphibians in Montana. This included five models containing parameters associated with wetland quality, ten landscape level models, and ten …

Running Economy: Improvements In Physiological Efficiency Attained Through Changes In Muscle Structural Morphology, Joseph Kenneth Pellegrino

Graduate Student Theses, Dissertations, & Professional Papers

Running Economy (RE) is a crucial determinant for running performance. While strategies for improving RE have been determined, the mechanisms governing this phenomenon have eluded the scientific community. My objective was to determine what adaptations, physiological, morphological, or otherwise, occur to bring about the altered RE associated with plyometric training. Specifically this project was designed to examine whether measureable transformations in muscle protein isoform makeup brought on through specific training will result in better RE in moderately trained runners. Participants (n=25) were placed into either a plyometrics-training or control group. All participants underwent similar testing before and after the 6-week …

Salud, Dignidad, Justicia: Articulating "Choice" And "Reproductive Justice" For Latinas In The United States, Kathleen Maire De Onis

Graduate Student Theses, Dissertations, & Professional Papers

This investigation explores the rhetorical evolution of the National Latina Institute for Reproductive Health. The author argues that the rhetors of the reviewed texts reveal the organization’s dual goals of both altering and resonating with the values and attitudes of Latinas regarding their concerns, as well as the necessity of combating systemic barriers and oppressive dominant ideology hindering Latinas’ ability to exercise a full range of choices. Although this two-fold purpose is persistent throughout the artifacts, as the Latina Institute embraces the language of reproductive justice, the agency gradually shifts its rhetorical efforts from addressing internal issues directed toward its …

Specifying The Links Between Adolescent Substance Use And Traditional Delinquency Theories: A Negative Bionomial Approach, Anthony James Feuchter

Graduate Student Theses, Dissertations, & Professional Papers

The consumption of alcohol and illicit drugs among adolescents has been a growing concern in sociology and related disciplines (Hayes-Smith and Whaley 2009; Embry, Hankins, Biglan, and Boles 2009; Herman-Stahl, Krebs, Kroutil, Heller 2007). The societal and financial effects of substance use in Montana have been detrimental. For example, methamphetamine use accounted for 33 percent of children in foster care and over 50 percent of children were in foster care for drug-related reasons in 2006 (Methamphetamine in Montana 2008). Also, Bryant, Schulenberg, O’Malley, Bachman, and Johnston (2003) found consistent patterns in the prior literature that high truancy rates and low …

A Qualitative Investigation Of The Strategies Used By A Sample Of Native American Older Adults To Cope With Race-Related Stressors, Rita Haidle Billow

Graduate Student Theses, Dissertations, & Professional Papers

The present study explored how racism-related stress was characterized by respondents and investigated the ways in which these respondents coped with this type of stress. Using content analysis, four broad themes of race-related stress emerged: 1) Institutional, 2) Intergroup, 3) Bicultural, and 4) Intragroup. Race-related coping strategies, which included the cognitive, emotional and behavioral strategies respondents used to reduce and/or manage their experiences of racism, were also explored. Eight overarching coping strategies were described: 1) Taking action, 2) Acceptance, 3) Escaping, 4) Collective coping, 5) Meaning making, 6) Affective coping, 7) "Returning to what Indians did before", and 8) Creative …

Aesthetic Appreciation Of The Natural Environment: Scientific Knowledge & The Extension From Aesthetics To Ethics, John K. Hays

Graduate Student Theses, Dissertations, & Professional Papers

Aesthetics has played an influential role in how we ascribe value to the environment. Yet, it seems that if we are to take the beauty of the natural world seriously, certain aesthetics judgments must be better than others. The scientific cognitive model posits that the natural world must be interpreted through an understanding of biological and geological categories, which are provided by scientific knowledge and common sense. While there are clearly merits to this model, it is not without its own set of problems and limitations. These problems exist in both the model itself and with its extension to environmental …

Variation In Tree Mortality And Regeneration Affect Forest Carbon Recovery Following Fuel Treatments And Wildfire, Christopher Hale Carlson

Graduate Student Theses, Dissertations, & Professional Papers

Forest fuel treatments such as thinning and burning have been proposed as tools to stabilize carbon stocks in fire-prone forests in the Western U.S. Although treatments immediately reduce forest carbon storage, losses may be paid back over the long-term if treatment sufficiently reduces future wildfire severity. Less severe wildfire produces fewer direct and indirect carbon emissions, and severely burned stands may be more susceptible to deforestation. Although fire severity and post-fire tree regeneration have been indicated as important influences on long-term carbon dynamics, it remains unclear how natural variability in these processes might affect the ability of fuel treatments to …

Winter Habitat Use By Mule Deer In Idaho And Montana, Sonja M. Smith

Graduate Student Theses, Dissertations, & Professional Papers

Winter survival for species such as Rocky Mountain mule deer (Odocoileus hemionus hemionus) depends on an energy conservation strategy where they use habitats at lower elevations and on south facing slopes with adequate thermal or canopy cover. However, not all mule deer habitats are equivalent in components or weather conditions, which contribute to differences in habitat use patterns and behavior among wintering populations. We examined winter habitat use by mule deer on the East Front of the Rocky Mountains, Montana and Warm Springs and Sink Creek, east-central Idaho to determine how weather and vegetation affect habitat use in different winter …

Fuelwood Consumption And Production In Alpine Bhutan: A Case Study Of Resource Use And Implications For Conservation And Management In Wangchuk Centennial Park, Wangchuk Sangay

Graduate Student Theses, Dissertations, & Professional Papers

WOOD HAS BEEN USED SINCE PREHISTORIC TIMES FOR COOKING AND HEATING, AND REMAINS THE PRIMARY ENERGY SOURCE FOR BILLIONS OF PEOPLE THROUGHOUT THE WORLD. IN BHUTAN, FUELWOOD ACCOUNTS FOR 78% OF TOTAL ENERGY CONSUMPTION AND IS THE PRIMARY ENERGY SOURCE FOR MOST RURAL AND URBAN RESIDENTS. DESPITE THE IMPORTANCE OF FUELWOOD IN BHUTAN, LITTLE IS KNOWN ABOUT HOUSEHOLD FUELWOOD CONSUMPTION, AVAILABLE BIOMASS, OR GROWTH AND YIELD.

Bernard Williams On Coercion And Reasons For Action, Joseph Stephenson

Graduate Student Theses, Dissertations, & Professional Papers

Understanding the nature of reasons for action and, specifically, how one can come to understand and criticize another’s reasons for action can help us to better understand what possible outcomes we can hope for when engaging another agent. Understanding reasons for action may even give us some insight into what shared ground ethical theory can offer. Bernard Williams’ treatment of reasons for action informs much of the contemporary discussion. Williams argues that there are generally two classes of statements about reasons: internal and external. An internal reason, according to Williams, is a reason which depends entirely on an agent’s motivations …

Application Of Randomized Branch Sampling To Conifer Trees: Estimating Crown Biomass, Ryan Michael Schlecht

Graduate Student Theses, Dissertations, & Professional Papers

Randomized branch sampling (RBS) is a sampling scheme which can be implemented to estimate many different attributes of an object displaying a branched or forked form. The aboveground structure of trees (stem and branches) lends itself naturally to this type of sampling design. RBS utilizes the branching form of the crown itself to draw probability samples and generate unbiased estimates. When implemented correctly, RBS can also greatly reduce the costs in time and labor of sampling when the purpose is estimating attributes borne within crown portions of trees. However, RBS was created for and has been implemented primarily in applications …

Nest Site Characteristics And Breeding Biology Of Flammmulated Owls In Missoula Valley, Mathew T. Seidensticker

Graduate Student Theses, Dissertations, & Professional Papers

Seidensticker, Mathew, M.S., Spring 2011 Environmental Studies Nest Sites and Breeding Biology of Flammulated Owls in Missoula Valley Chairperson: Len Broberg The Flammulated Owl is listed as a sensitive or species of concern with United States Forest Service, Bureau of Land Management, and Montana Fish, Wildlife and Parks. Despite these listings the Flammulated Owl is little studied in Montana. Although region-wide surveys have greatly increased our understanding of distribution and landscape level habitat associations of Flammulated Owls, information about breeding is lacking. In order to address this need for breeding information I searched for and quantified nest site characteristics and …

Opportunities And Constraints To Community Forests For Local Income Generation And Livelihood: A Case Study Of Four Community Forests In Bumthang District, Bhutan, Wangchuk Dorji

Graduate Student Theses, Dissertations, & Professional Papers

Bhutan has had an active community forestry program since 2000. A key feature of the nationally organized program is the devolution of forest management and use to local residents who participate in a “Community Forestry Management Groups” (CFMG) for managing nearby community forests (CF) according to rules developed by the Department of Forests. These groups are responsible for developing and implementing community forest management plans that entitle them to use locally valuable forest products (fuel wood, construction timber, mushrooms, bamboo etc). Most recently CFMGs have been given the right to sell forest products from their CFs that are not needed …

Puma Dispersal Ecology In The Central Rocky Mountains, Jesse R. Newby

Graduate Student Theses, Dissertations, & Professional Papers

The structuring of populations within a metapopulation, connected through dispersal, is important to basic and applied ecology. However, a considerable gap exists in our knowledge of the influence landscape heterogeneity has on dispersal and its consequences. We examined landscape effects on dispersal and its consequences for puma (Puma concolor) populations using data from three separate populations in the Central Rocky Mountains including the Northern Greater Yellowstone Ecosystem (NGYE), the Southern Greater Yellowstone Ecosystem (SGYE) and the Garnet Mountains of Montana. We found human-induced mortality reduced inter-population vital rates with population consequences. The NGYE population was dependent largely on immigration for …

The Seen And Unseen: Religion And Identity In The Chicago American Indian Community, Eli Steven Suzukovich Iii

Graduate Student Theses, Dissertations, & Professional Papers

The following dissertation is an ethnographic community study focusing on religiosity and its relationship in maintaining tribal identity among urban Indians living in Chicago, Illinois. The research examines spirituality and religious practice in an urban Indian community and illuminates and examines how people conceptualize the sacred and how it applies to their sense of tribal, familial, and individual identities and its development through a lifetime. The goals of this research are to: 1) provide an overview of religiosity as it currently exists within the American Indian community of Chicago; and 2) examine religion and spirituality as is develops over time …

The Economic Impacts Of Wolves On Calf Production On Western Montana Cattle Ranches Beyond Direct Depredation, Joseph Ramler

Graduate Student Theses, Dissertations, & Professional Papers

A novel sample of 18 western Montana cow-calf ranching operations were analyzed over a 16 year time period (1995-2010) using an ordinary least squares linear regression estimation model with robust standard errors focused on the potential effects wolves may have on average calf weight gain. Incorporating calf sex, calf breed, ranch, and year fixed effects into the estimation model, a vector of variables that changed both across ranches and over time were used to significantly explain (F = 59.32; p < 0.001) the variation in yearly average calf weaning weights on sample ranches with fairly good accuracy (R2 = 0.846). The use of hormone implanting (â=24.5), calf age (â=.34), annual aggregate precipitation (â=2.16), annual aggregate snowfall (â=-0.24), annual average temperature (â=4.27), and the standard deviation of NDVI (â=1.67) were found to be significant at least at the .1 level. One measure used to account for wolf presence on sample ranches based on yearly estimated wolf home range data from Montana Fish, Wildlife & Parks was found to have an insignificant effect on average calf weight (p = .569). The other measure used to account for wolf presence on sample ranches was found to be a significant factor on calf weight gain. On average, sample ranches that experienced at least one Wildlife Service (WS) confirmed wolf depredation on the ranch, weaned calves that were approximately 20 pounds lighter than ranches that did not have a WS confirmed wolf depredation in the same year, holding all else constant. The results suggest that calves on western Montana ranches that experience at least one WS wolf depredation in a year gain 20 pounds less weight than if there hadn’t been a WS confirmed wolf kill which directly correlates to decreased economic revenue received by affected ranchers.

The Effects Of Large Herbivores On Small Mammal Communities, Plants And Ecosystem Processes In Northern Arizona, Elliott Wentworth Reed Parsons

Graduate Student Theses, Dissertations, & Professional Papers

Large herbivores are major drivers of community structure and function in many terrestrial systems. Through their direct effects on plants, large herbivores can influence the structure and complexity of habitats, the population abundance of animals that rely on those habitats, and the rates of ecosystem processes within those systems. These manifold impacts on systems are potentially magnifying, as removal of top predators and changes in land use have triggered large increases in large herbivore populations. Although increasing evidence suggests that large herbivores can critically shape the structure and function of the ecosystems they inhabit, few studies have detailed the direct …

Wolves And Livestock: A Review Of Tools To Deter Livestock Predation And A Case Study Of A Proactive Wolf Conflict Mitigation Program Developed In The Blackfoot Valley, Montana, Peter Douglas Brown

Graduate Student Theses, Dissertations, & Professional Papers

The recent recovery of wolves in the Northern Rocky Mountains (NRM) was met with opposition from the ranching communities throughout Montana. This was not surprising, due to the fact that wolves are feared as a predator of livestock and therefore represent a direct economic loss for ranchers that experience depredations by wolves. Wolves are also revered as a native predator that have top down effects upon natural prey species. This in turn affects the web of plants and animals that make up natural ecosystems. This fact, as well as the strong emotional connection that some stakeholders have to wolves creates …

Organic Tracer Analyses And Receptor Modeling Of Pm2.5 In Fairbanks, Alaska, James Kevin Ormord

Graduate Student Theses, Dissertations, & Professional Papers

Ambient particulate matter (PM) levels are of great importance to many areas around the world for both environmental and health concerns. It is well known that many sources of PM are anthropogenic in nature, including sources such as the combustion of petroleum products and wood. As per the Clean Air Act of 1970, the US EPA has established a National Ambient Air Quality Standard (NAAQS) of 35µg/m3 for a 24 hour average and 15µg/m3 for an annual average of ambient PM2.5 to improve the quality of air and reduce occurrences of respiratory illness resulting from exposure to high levels of …

A Century Of Change In Forest Structure And Fire Regime Condition Class In A Western Montana Ponderosa Pine Douglas-Fir Forest, Robert Michael Rich

Graduate Student Theses, Dissertations, & Professional Papers

ABSTRACT A Century of Change in Forest Structure and Fire Regime Condition Class in a Western Montana Ponderosa Pine/Douglas-fir Forest - Restoring historical forest conditions is often a driving force behind forest management activities today. However, determining historical, pre-settlement conditions can be challenging. Utilizing General Land Office (GLO) survey notes to reconstruct historical stand structure is one method to achieve this goal. Original GLO survey notes from 1902 were used to reconstruct historical stand condition in a 2,694 acre ponderosa pine/ Douglas–fir forest. Surveyed corners or their approximate locations were relocated. The procedure for establishing bearing trees by the original …

An Assessment Of The Hiv Prevention Needs Of Men Who Have Sex With Men In Montana, Kelly A. Hart

Graduate Student Theses, Dissertations, & Professional Papers

The purpose of this study was to collect information about the HIV prevention needs of men who have sex with men (MSM) living in Montana. Prevention needs were explored by identifying the environmental factors and behaviors that put MSM at risk for HIV infection, describing the demographic and contextual factors that influence those behaviors, and comparing current prevention needs to existing resources and services. To evaluate the prevention needs, primary qualitative data was collected in the form of four focus groups and nine key informant interviews. Supporting secondary quantitative and qualitative data in the form of an online survey and …

Characterization Of 5 Utr Splicing And The Cgi In Hiv-2 Rna, Christy Strong

Graduate Student Theses, Dissertations, & Professional Papers

HIV-2 tightly regulates several steps of its replication cycle via regulatory elements found within the 5 untranslated region of HIV-2 genomic RNA. Two elements of interest are the 5 UTR intron and the proposed long distance base pairing interaction between the C-box and G-box termed the CGI. This research focuses on the effects of 5 UTR splicing and the CGI in HIV-2 translation and replication. The central hypothesis is that both 5 UTR splicing and the CGI modulate HIV-2 translation and replication. This hypothesis was tested and supported by employing in vitro translation assays, SELEX, and cell culture studies. Results …

Feasting On Fido: Cultural Implications Of Eating Dogs At Bridge River, Hannah Schremser Cail

Graduate Student Theses, Dissertations, & Professional Papers

Dogs represent a unique facet of the faunal assemblage at the Bridge River site (EeRl4), a prehistoric aggregated winter housepit village in southern British Columbia’s Middle Fraser Canyon. As part of the Bridge River site investigation of emergent material wealth based status inequality of the hunter-gatherer-fisher economy, the 2008 and 2009 excavation of the village recovered the skeletal remains of domestic dogs within two distinct cache pit features in Housepit 24’s Activity Area 3. The two dogs unearthed from these separate cache pits features show dichotomous roles for man’s best friend; one, possibly as a prized companion, and the other …

Genetic Population Structure And Conservation Of Bull Trout In The East Fork Bitterroot River Drainage, Montana, Leslie Grace Nyce

Graduate Student Theses, Dissertations, & Professional Papers

Bull trout Salvelinus confluentus are a species of conservation interest and are currently listed as threatened by the U.S. Fish and Wildlife Service. Understanding and conserving the genetic and life history diversity of bull trout populations across their range is critical as conservation, management, and recovery plans are developed. Numerous studies in different regions have shown that local bull trout populations in close geographic proximity are typically very genetically different and evidence for dispersal among neighboring tributary populations is weak. In addition to genetic diversity, maintenance of life history diversity may increase resilience of bull trout populations. The larger migratory …

Informal Mathematics Activities And The Beliefs Of Elementary Teacher Candidates, Matt B. Roscoe

Graduate Student Theses, Dissertations, & Professional Papers

This study sought to determine the relationship between participation in informal mathematics activities and the formal-to-informal beliefs of university teacher candidates in elementary education. Three classes of preservice teachers participated in the study through their enrollment in a content mathematics course for elementary education majors. Four informal mathematics activities were employed as part of the course requirements. Pre and post formal-to-informal beliefs about mathematics and mathematics instruction were measured using a Likert-scale beliefs assessment instrument used by Collier (1972) and Seaman et al. (2005). Changes in beliefs about mathematics and mathematics instruction were compared to a control group. Student reflection …

Interactions Between The Glycosylated Gag Protein Of A Murine Leukemia Virus And Murine Apobec3: Novel Insights Into How A Murine Leukemia Virus Counteracts A Restriction Factor, Angelo Kolokithas

Graduate Student Theses, Dissertations, & Professional Papers

APOBEC proteins have evolved in mice and humans as potent innate defences against retroviral infections. APOBEC3G (hA3G) in humans and mouse APOBEC3 (mA3) deaminate cytidine in single-stranded DNA which ultimately results in hypermutation of newly synthesized proviral DNA. Other deaminase-independent mechanisms of inhibition have been identified, such as directly inhibiting reverse transcription. Both HIV and murine leukemia viruses (MuLVs) have evolved mechanisms to evade the action of the APOBEC proteins. HIV encodes the Vif protein which binds to hA3G and facilitates its rapid degradation through the proteasome. The mechanism(s) by which exogenous MuLVs evade mA3 inhibitory activity is unknown.

Exogenous …

Life History And Demography Of Trillium Ovatum Pursh. (Liliaceae)In Western Montana, Tarn Ream

Graduate Student Theses, Dissertations, & Professional Papers

Trillium ovatum is a long-lived, spring ephemeral that grows in moist forest habitats of the western United States. Extensive investigations of Trillium, including T. ovatum, have been accomplished, yet no prior studies of T. ovatum have been conducted at the eastern edge of its distribution in Montana, where populations experience increased aridity and highly variable climatic conditions as compared to other regions where it occurs. This study examines life-history characteristics and demography of T. ovatum in three representative populations that were sampled over 9 growing seasons to determine: 1) life history stages, stage class structure, and yearly transitions among stage …

The Heart Of The Matter: The Function And Relational Effects Of Humor For Cardiovascular Patients, Nicholas Lee Lockwood

Graduate Student Theses, Dissertations, & Professional Papers

This study examined the possibility that cardiovascular patient health is enhanced by the intentional communication of humor and associated increases in relationship satisfaction. In an effort to study the relationship between these variables it was predicted that relationship satisfaction mediates the effects between humor functions and health. Questionnaire data was collected from members of two national support groups for patients of cardiovascular disease. Findings support humor functions distinguished in previous studies and support the hypothesis that relationship satisfaction mediates health. Specifically, distancing humor negatively predicted relationship satisfaction and health. These findings offer new insight into the variability of humor effects.

The Influence Of Environmental Variables On Predicting Rare-Plant Habitat In The Nez Perce National Forest, Thor Burbach

Graduate Student Theses, Dissertations, & Professional Papers

Habitat suitability modeling is widely-used in both biogeography and ecology to characterize the biophysical requirements and distribution of plant and animal species. Many of these modeling efforts use different variants of essentially the same topo-climatic variables (elevation, slope, aspect, precipitation, and temperature). However, these commonly used variables may not sufficiently explain the distribution of rare-plant species, which may have additional habitat needs. The aim of this project was to determine guidelines for selection of variables to include in statistical modeling efforts to predict suitable rare-plant habitat. Additionally, how background extent, data resolution, sample size, and various ranking criteria effect environmental …

The Tribal College Movement: Ensuring That Native American Students Successfully Complete An Associate Degree And Persist To Earn A Four-Year Degree, Cheri Lynn Kicking Woman

Graduate Student Theses, Dissertations, & Professional Papers

This mixed method study examined the utilization of educational resources available to 44 Native American students. One-half initially attended a tribal college, and one-half Native American students who initially attended a non-tribal college. The qualitative process involved face-to-face interviews with the participants at the seven Montana tribal colleges. The resources included: mentoring programs, library services, financial aid assistance, distance learning programs, disability services, scholarships' applications process assistance, assistance in use of computers and the skills needed, tutors, student organizations, and academic counselors.

The data from the first phase of the study were illustrated by the use of tables and descriptive …