Digital Commons Network^™

Development Of A Novel In-Situ Chemical Sampler For Aquatic Systems, Alec W. Johnson

Graduate Student Theses, Dissertations, & Professional Papers

There has been a long-standing need to study Dissolved Organic Carbon (DOC) within aquatic systems. DOC is an important water quality parameter that provides insights into ecological and carbon cycle processes in aquatic systems. DOC is not easily studied due to traditional, labor-intensive sampling methods. Often, optical (e.g. fluorescence) proxy estimations for DOC are used instead of directly sampling for DOC. Using either low frequency measurements or proxy estimations for DOC can lead to inadequate understanding of the natural processes that control DOC in aquatic systems.

This thesis outlines a in-situ sampler that will be capable of collecting, preserving, and …

Linking Habitat, Populations And Policy For Caribou In The Face Of Increasing Disturbance, Eric Charles Palm

Graduate Student Theses, Dissertations, & Professional Papers

In North America’s boreal forest, wildfire has long been the dominant form of natural disturbance. However, the human footprint in the region is steadily growing. Large-scale forest harvest and energy development have fragmented late-successional forests, leading to habitat loss for species such as caribou (Rangifer tarandus) that rely on these ecological communities. Caribou have experienced widespread population declines and local extirpation throughout the western boreal forest in recent decades. I first analyzed caribou resource selection responses to fires in >685 female caribou across 15 populations that span a wide gradient of fire frequency but are exposed to relatively little human …

Mechanisms Of Engineered Nano-Material Induced Membrane Disruption And Lysosomal Membrane Permeability, Matthew Josiah Sydor

Graduate Student Theses, Dissertations, & Professional Papers

Engineered nano-materials (ENM), which have at least one dimension less than 100 nm are an emerging group of materials that are widely used in everyday products and workplaces. Because of the wide variety of ENM and their use in today’s society, there is a concern for the impacts of ENM on human health following exposure. While humans could be exposed to ENM through various routes, there is significant concern for inhalation of ENM due to their size and ease of aerosolization. Studies have reported that ENM can deposit into the lungs, particularly in the alveoli, where resident macrophages can encounter …

Extending Bootstrap Aggregation Of Neural Networks For Prediction With An Application To Covid-19 Forecasting, Mohsen Tabibian

Graduate Student Theses, Dissertations, & Professional Papers

The aim of this study is to improve the forecasting accuracy of artificial neural networks (ANNs) and construct prediction bands for ANN models. The focus is on forecasting for epidemiological purposes, and in particular, the problem of predicting new case and death counts from seven to h days into the future for spatially contiguous regions. The task poses several challenges: datasets are quite small, and both spatially and temporally correlated. To overcome these, the methods attempt to exploit information induced by spatial and temporal dependencies. More importantly, we have developed a fusion of ANNs and bootstrap methods. Bootstrap aggregation (bagging) …

Bullock V. United States Bureau Of Land Mgmt., Henry O'Brien

Public Land & Resources Law Review

A Montana District Court ruled that William Perry Pendley unlawfully served as the Director of BLM for 424 days and cast doubt on the legality of many BLM decisions made during that period. The ruling took a stronger stand against the Trump administration’s liberal and brash use of acting appointees than other, similar cases have.

The Role Of Citizen Science In Science Perception, Meaning, And Environmental Values: An Evaluation Of The Living Snow Project, Rachel L. Severson, Phoebe S. Bean, Cali Caughie, Robin Kodner

Psychology Faculty Publications

Citizen science programs provide a means for outdoor enthusiasts to combine their recreational pursuits with engagement in science. This research evaluated the role of citizen science in peoples’ perceptions of science, meaningfulness of their outdoor experiences, and environmental attitudes, identity, and connection. The Living Snow Project (LSP), a community-enabled (citizen science) program, engages the outdoor recreation community in research characterizing alpine snow microbiomes through volunteer sample collections in alpine environments. Citizen scientists (N=41) volunteering with LSP participated in this study at two time points before and after the 2019 snow sampling season. At both time points, participants completed five well-established …

Master's Portfolio, Alexis Joy Rizzolo

Graduate Student Portfolios, Professional Papers, and Capstone Projects

No abstract provided.

December 2020 News Releases, University Of Montana--Missoula. Office Of University Relations

University of Montana News Releases, 1928, 1956-present

No abstract provided.

Rapid Evolution Of Aerosol Particles And Their Optical Properties Downwind Of Wildfires In The Western Us, Lawrence I. Kleinman, Arthur J. Sedlacek, Kouji Adachi, Peter R. Buseck, Sonya Collier, Manvendra K. Dubey, Anna L. Hodshire, Ernie Lewis, Timothy B. Onasch, Jeffery R. Pierce, John Shilling, Stephen R. Springston, Jian Wang, Qi Zhang, Shan Zhou, Robert J. Yokelson

Chemistry and Biochemistry Faculty Publications

During the first phase of the Biomass Burn Operational Project (BBOP) field campaign, conducted in the Pacific Northwest, the DOE G-1 aircraft was used to follow the time evolution of wildfire smoke from near the point of emission to locations 2-3.5 h downwind. In nine flights we made repeated transects of wildfire plumes at varying downwind distances and could thereby follow the plume's time evolution. On average there was little change in dilution-normalized aerosol mass concentration as a function of downwind distance. This consistency hides a dynamic system in which primary aerosol particles are evaporating and secondary ones condensing. Organic …

Montana Kaimin, November 4, 2020, Students Of The University Of Montana, Missoula

Montana Kaimin, 1898-present

Student newspaper of the University of Montana, Missoula.

Novel Small Rnas Expressed By Bartonella Bacilliformis Under Multiple Conditions Reveal Potential Mechanisms For Persistence In The Sand Fly Vector And Human Host, Shaun Wachter, Linda D. Hicks, Rahul Raghavan, Michael F. Minnick

Biological Sciences Faculty Publications

Bartonella bacilliformis, the etiological agent of Carrión's disease, is a Gram-negative, facultative intracellular alphaproteobacterium. Carrión's disease is an emerging but neglected tropical illness endemic to Peru, Colombia, and Ecuador. B. bacilliformis is spread between humans through the bite of female phlebotomine sand flies. As a result, the pathogen encounters significant and repeated environmental shifts during its life cycle, including changes in pH and temperature. In most bacteria, small non-coding RNAs (sRNAs) serve as effectors that may post-transcriptionally regulate the stress response to such changes. However, sRNAs have not been characterized in B. bacilliformis, to date. We therefore performed total RNA-sequencing …

November 2020 News Releases, University Of Montana--Missoula. Office Of University Relations

University of Montana News Releases, 1928, 1956-present

No abstract provided.

Montana Kaimin, October 21, 2020, Students Of The University Of Montana, Missoula

Montana Kaimin, 1898-present

Student newspaper of the University of Montana, Missoula.

Montana Kaimin, October 14, 2020, Students Of The University Of Montana, Missoula

Montana Kaimin, 1898-present

Student newspaper of the University of Montana, Missoula.

Friends Of The Philip L. Wright Zoological Museum, No. 36, University Of Montana--Missoula. Philip L. Wright Zoological Museum

Philip L. Wright Zoological Museum (UMZM) Newsletters

From the Curator: A New Normal, For Now -- Evolutionary Dynamics of Adaptation -- Compactors: The Heavy Lifters of Specimen Storage -- Carcass Club -- Montana Natural History Workshop -- Share Your Memories With Us! -- What's in an Acronym? -- Who's in the Museum -- Miscellany -- From the Director: Looking Forward to 2021 with Excitement and Optimism

Matrices (Re)Loaded: Durability, Viability, And Fermentative Capacity Of Yeast Encapsulated In Beads Of Different Composition During Long-Term Fed-Batch Culture, Jordan Gulli, Peter Yunker, Frank Rosenzweig

Biological Sciences Faculty Publications

Encapsulated microbes have been used for decades to produce commodities ranging from methyl ketone to beer. Encapsulated cells undergo limited replication, which enables them to more efficiently convert substrate to product than planktonic cells and which contributes to their stress resistance. To determine how encapsulated yeast supports long-term, repeated fed-batch ethanologenic fermentation, and whether different matrices influence that process, fermentation and indicators of matrix durability and cell viability were monitored in high-dextrose, fed-batch culture over 7 weeks. At most timepoints, ethanol yield (g/g) in encapsulated cultures exceeded that in planktonic cultures. And frequently, ethanol yield differed among the four matrices …

Montanan, Fall 2020, University Of Montana--Missoula

Montanan Magazine, 1969-2024

This is the magazine of the University of Montana with news about the University for UM alumni as well as current faculty, students, staff, and administrators. This is volume 37, number 3.

Cutbank 92

CutBank

No abstract provided.

They Came To Montana To Suffer, Maureen Langloss

CutBank

No abstract provided.

My Sister And Other Big Things, Darcy Casey

CutBank

No abstract provided.

October 2020 News Releases, University Of Montana--Missoula. Office Of University Relations

University of Montana News Releases, 1928, 1956-present

No abstract provided.

Preview; Gallatin Wildlife Association V. United States Forest Service: Public Influence In Administrative Discretion, Noah P. Hill

Montana Law Review Online

No abstract provided.

Indigenous Environmental Network And North Coast Rivers Alliance V. President Donald J. Trump, Et Al. And Tc Energy Corporation, Et Al., Kirsten D. Gerbatsch Ms.

Public Land & Resources Law Review

A single cross-border pipeline project has been the epicenter of environmental litigation for the last decade—and it is not over yet. For years, TransCanada Keystone Pipeline, LP and TC Energy have sought to construct and maintain a segment of the Keystone pipeline between the United States and Canada to connect existing pipeline infrastructure and transport crude oil. To do so, the company must first apply and be approved for a permit. Between 2008 and 2012, President Obama twice denied TransCanada Keystone Pipeline and TC Energy’s applications. Then, in 2017 and again in 2019, President Trump unilaterally invited TC Energy’s application …

Montana Kaimin, September 23, 2020, Students Of The University Of Montana, Missoula

Montana Kaimin, 1898-present

Student newspaper of the University of Montana, Missoula.

Montana Kaimin, September 16, 2020, Students Of The University Of Montana, Missoula

Montana Kaimin, 1898-present

Student newspaper of the University of Montana, Missoula.

Bioh 365.R01: Human Anatomy And Physiology For Health Professions I, Laurie A. Minns

University of Montana Course Syllabi

No abstract provided.

Psyx 270.50: Fundamentals Of The Psychology Of Learning (Online), Nora Uhrich

University of Montana Course Syllabi

No abstract provided.

Biob 101n.50: Discover Biology, Andrea T. Green

University of Montana Course Syllabi

No abstract provided.

Biob 101n.B00: Discover Biology, Andrea T. Green

University of Montana Course Syllabi

No abstract provided.

Biom 428.01: General Parasitology Laboratory, James D. Driver

University of Montana Course Syllabi

No abstract provided.