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Articles 1171 - 1200 of 8068
Full-Text Articles in Entire DC Network
Successional Dynamics Of A 35 Year Old Freshwater Mitigation Wetland In Southeastern New Hampshire, J. Grant Mckown, Gregg E. Moore, Andrew R. Payne, Natalie A. White, Jennifer L. Gibson
Successional Dynamics Of A 35 Year Old Freshwater Mitigation Wetland In Southeastern New Hampshire, J. Grant Mckown, Gregg E. Moore, Andrew R. Payne, Natalie A. White, Jennifer L. Gibson
Jackson Estuarine Laboratory
The long-term ecological success of compensatory freshwater wetland projects has come into question based on follow-up monitoring studies over the past few decades. Given that wetland restoration may require many years to decades to converge to desired outcomes, long-term monitoring of successional patterns may increase our ability to fully evaluate success of wetland mitigation projects or guide adaptive management when needed. In Portsmouth, New Hampshire a 4 ha wetland was constructed in an abandoned gravel quarry as off-site compensatory mitigation for impacts to a scrub-shrub swamp associated with property expansion. Building upon prior evaluations from 1992 and 2002, we conducted …
Good Beer, Good Jobs, Jody Record
Cycling Phosphorus And Nitrogen Through Cropping Systems In An Intensive Dairy Production Region, April B. Leytem, Paula Williams, Shan Zuidema, Audrey Martinez, Yen Leng Chong, Alyssa Vincent, Aaron Vincent, Daniel Cronan, Andrew Kliskey, J. D. Wulfhorst, Lilian Alessa, David Bjorneberg
Cycling Phosphorus And Nitrogen Through Cropping Systems In An Intensive Dairy Production Region, April B. Leytem, Paula Williams, Shan Zuidema, Audrey Martinez, Yen Leng Chong, Alyssa Vincent, Aaron Vincent, Daniel Cronan, Andrew Kliskey, J. D. Wulfhorst, Lilian Alessa, David Bjorneberg
Faculty Publications
As pressure on the dairy industry to reduce its environmental impact increases, efficient recycling of manure nutrients through local cropping systems becomes crucial. The aim of this study was to calculate annual nitrogen (N) and phosphorus (P) budgets in six counties located in the Magic Valley, Idaho and estimate what distance manure would need to be transported to be in balance with crop nutrient demand given current dairy cattle populations and cropping systems. Our analysis suggests that crop N needs will not be met solely by manure, and synthetic fertilizer will need to be applied. However, to balance P with …
Researching His Future, Jody Record
Bright Futures, Michelle Morrissey
Covid-19: A Syndemic Requiring An Integrated Approach For Marginalized Populations, Rosemary M. Caron, Amanda Rodrigues Amorim Adegboye
Covid-19: A Syndemic Requiring An Integrated Approach For Marginalized Populations, Rosemary M. Caron, Amanda Rodrigues Amorim Adegboye
Faculty Publications
The novel coronavirus, SARS-CoV-2, responsible for the COVID-19 pandemic, has challenged healthcare systems globally. The health inequities experienced by immigrants, refugees, and racial/ethnic minorities have been aggravated during the COVID-19 pandemic. The socioeconomic, political, and demographic profile of these vulnerable populations places them at increased risk of contracting COVID-19 and experiencing significant morbidity and mortality. Thus, the burden of the COVID-19 pandemic is disproportionally higher among these at-risk groups. The purpose of this perspective is to: (1) highlight the interactions among the social determinants of health (SDoH) and their bi-directional relationship with the COVID-19 pandemic which results in the current …
Fungal Community Response To Long-Term Soil Warming With Potential Implications For Soil Carbon Dynamics, Gregory J. Pec, Linda T. A. Van Diepen, Melissa A. Knorr, A. Stuart Grandy, Jerry M. Melillo, Kristen M. Deangelis, Jeffrey L. Blanchard, Serita D. Frey
Fungal Community Response To Long-Term Soil Warming With Potential Implications For Soil Carbon Dynamics, Gregory J. Pec, Linda T. A. Van Diepen, Melissa A. Knorr, A. Stuart Grandy, Jerry M. Melillo, Kristen M. Deangelis, Jeffrey L. Blanchard, Serita D. Frey
Faculty Publications
The direction and magnitude of climate warming effects on ecosystem processes such as carbon cycling remain uncertain. Soil fungi are central to these processes due to their roles as decomposers of soil organic matter, as mycorrhizal symbionts, and as determinants of plant diversity. Yet despite their importance to ecosystem functioning, we lack a clear understanding of the long-term response of soil fungal communities to warming. Toward this goal, we characterized soil fungal communities in two replicated soil warming experiments at the Harvard Forest (Petersham, Massachusetts, USA) which had experienced 5°C above ambient soil temperatures for 5 and 20 yr at …
Agenda For Faculty Senate Xxvi 2021-22 - May 10, 2021, Faculty Senate
Agenda For Faculty Senate Xxvi 2021-22 - May 10, 2021, Faculty Senate
Faculty Senate Agendas & Minutes
No abstract provided.
A Holistic Framework Integrating Plant-Microbe-Mineral Regulation Of Soil Bioavailable Nitrogen, Amanda B. Daly, Andrea Jilling, Timothy M. Bowles, Robert W. Buchowski, Serita D. Frey, Cynthia M. Kallenbach, Marco Keiluweit, Maria Mooshammer, Joshua P. Schimel, A. Stuart Grandy
A Holistic Framework Integrating Plant-Microbe-Mineral Regulation Of Soil Bioavailable Nitrogen, Amanda B. Daly, Andrea Jilling, Timothy M. Bowles, Robert W. Buchowski, Serita D. Frey, Cynthia M. Kallenbach, Marco Keiluweit, Maria Mooshammer, Joshua P. Schimel, A. Stuart Grandy
Faculty Publications
Soil organic nitrogen (N) is a critical resource for plants and microbes, but the processes that govern its cycle are not well-described. To promote a holistic understanding of soil N dynamics, we need an integrated model that links soil organic matter (SOM) cycling to bioavailable N in both unmanaged and managed landscapes, including agroecosystems. We present a framework that unifies recent conceptual advances in our understanding of three critical steps in bioavailable N cycling: organic N (ON) depolymerization and solubilization; bioavailable N sorption and desorption on mineral surfaces; and microbial ON turnover including assimilation, mineralization, and the recycling of microbial …
Unh Research: More Than One Way For Animals To Survive Climate Change, Robbin Ray
Unh Research: More Than One Way For Animals To Survive Climate Change, Robbin Ray
Media Relations
No abstract provided.
Hotter, Drier And Adapted, Robbin Ray
Sodah: The Soils Data Harmonization Database, An Open-Source Synthesis Of Soil Data From Research Networks, Version 1.0, William R. Wieder, Derek Pierson, Stevan Earl, Kate Lajtha, Sara G. Baer, Ford Ballantyne, Asmeret Asefaw Berhe, Sharon A. Billings, Laurel M. Brigham, Stephany S. Chacon, Jennifer Fraterrigo, Serita D. Frey, Katerina Georgiou, Marie-Anne De Graaff, A. Stuart Grandy, Melannie D. Hartman, Sarah E. Hobbie, Chris Johnson, Jason Kaye, Emily Kyker-Snowman, Marcy E. Litvak, Michelle C. Mack, Avni Malhotra, Jessica A. M. Moore, Knute Nadelhoffer, Craig Rasmussen, Whendee L. Silver, Benjamin N. Sulman, Xanthe Walker, Samantha Weintraub
Sodah: The Soils Data Harmonization Database, An Open-Source Synthesis Of Soil Data From Research Networks, Version 1.0, William R. Wieder, Derek Pierson, Stevan Earl, Kate Lajtha, Sara G. Baer, Ford Ballantyne, Asmeret Asefaw Berhe, Sharon A. Billings, Laurel M. Brigham, Stephany S. Chacon, Jennifer Fraterrigo, Serita D. Frey, Katerina Georgiou, Marie-Anne De Graaff, A. Stuart Grandy, Melannie D. Hartman, Sarah E. Hobbie, Chris Johnson, Jason Kaye, Emily Kyker-Snowman, Marcy E. Litvak, Michelle C. Mack, Avni Malhotra, Jessica A. M. Moore, Knute Nadelhoffer, Craig Rasmussen, Whendee L. Silver, Benjamin N. Sulman, Xanthe Walker, Samantha Weintraub
Faculty Publications
Data collected from research networks present opportunities to test theories and develop models about factors responsible for the long-term persistence and vulnerability of soil organic matter (SOM). Synthesizing datasets collected by different research networks presents opportunities to expand the ecological gradients and scientific breadth of information available for inquiry. Synthesizing these data is challenging, especially considering the legacy of soil data that have already been collected and an expansion of new network science initiatives. To facilitate this effort, here we present the SOils DAta Harmonization database (SoDaH; https://lter.github.io/som-website, last access: 22 December 2020), a flexible database designed to harmonize diverse …
Unh Faculty Senate Motion # Xxv-M20 To Approve The 2021 Engaged Scholarship Report And Endorse Its Six Recommendations, Faculty Senate
Unh Faculty Senate Motion # Xxv-M20 To Approve The 2021 Engaged Scholarship Report And Endorse Its Six Recommendations, Faculty Senate
Faculty Senate Motions
No abstract provided.
2020-2021 Faculty Senate Xxv - May 3, 2021 Minutes Summary, Faculty Senate
2020-2021 Faculty Senate Xxv - May 3, 2021 Minutes Summary, Faculty Senate
Faculty Senate Agendas & Minutes
No abstract provided.
Colsa Awards Outstanding Work At 2021 Urc, Benjamin Borgmann-Winter
Colsa Awards Outstanding Work At 2021 Urc, Benjamin Borgmann-Winter
UNH Today Archive
No abstract provided.
Biotechnology Patent Law Top Ten Of 2019: Secret Sales, Denied Appeals, And The Promise Of Coronavirus Cures, Kevin E. Noonan, Andrew W. Torrance
Biotechnology Patent Law Top Ten Of 2019: Secret Sales, Denied Appeals, And The Promise Of Coronavirus Cures, Kevin E. Noonan, Andrew W. Torrance
The University of New Hampshire Law Review
No abstract provided.
Sensitivity And Threshold Dynamics Of Pinus Strobus And Quercus Spp. In Response To Experimental And Naturally-Occurring Severe Droughts, Heidi Asbjornsen, Cameron D. Mcintire, Matthew A. Vadeboncoeur, Katie A. Jennings, Adam P. Coble, Z. Carter Berry
Sensitivity And Threshold Dynamics Of Pinus Strobus And Quercus Spp. In Response To Experimental And Naturally-Occurring Severe Droughts, Heidi Asbjornsen, Cameron D. Mcintire, Matthew A. Vadeboncoeur, Katie A. Jennings, Adam P. Coble, Z. Carter Berry
All Materials
Increased drought frequency and severity are a pervasive global threat, yet the capacity of mesic temperate forests to maintain resilience in response to drought remains poorly understood. We deployed a throughfall removal experiment to simulate a once in a century drought in New Hampshire, USA, which coupled with the region-wide 2016 drought, intensified moisture stress beyond that experienced in the lifetimes of our study trees. To assess the sensitivity and threshold dynamics of two dominant northeastern tree genera (Quercus and Pinus), we monitored sap flux density (Js), leaf water potential and gas exchange, growth, and intrinsic water use efficiency (iWUE) …
Oil Spill Modeling For Improved Response To Arctic Maritime Spills: The Path Forward, Megan Patricia Verfaillie
Oil Spill Modeling For Improved Response To Arctic Maritime Spills: The Path Forward, Megan Patricia Verfaillie
Master's Theses and Capstones
Maritime shipping and natural resource development in the Arctic are projected to increase as sea ice coverage decreases, resulting in a greater probability of more and larger oil spills. The increasing risk of Arctic spills emphasizes the need to identify the state-of-the-art oil trajectory and sea ice models and the potential for their integration. The Oil Spill Modeling for Improved Response to Arctic Maritime Spills: The Path Forward (AMSM) project, funded by the Arctic Domain Awareness Center (ADAC), provides a structured approach to gather expert advice to address U.S. Coast Guard (USCG) Federal On-Scene Coordinator (FOSC) core needs for decision-making. …
The Contribution Of Tgbdp5 To Gene Regulation In The Acute Stage Of Toxoplasma, Julia Heffernan
The Contribution Of Tgbdp5 To Gene Regulation In The Acute Stage Of Toxoplasma, Julia Heffernan
Master's Theses and Capstones
Toxoplasmosis, caused by the parasite Toxoplasma gondii, is a highly prevalent disease found on every content. An estimated 20-40% of the United States’ population is infected with the parasite according to IgG seroprevalence. There are two stages of Toxoplasma that cause disease, tachyzoites which cause the acute phase and the bradyzoites which cause the chronic phase. The chronic stage will persist for a life-long infection which can reactivate to tachyzoites if the host becomes immunocompromised, leading to encephalitis and heart failure. Current drug therapies clinically approved to treat Toxoplasma can only target tachyzoites and can cause adverse reactions. Therefore, the …
Warming Temperatures Increase Microbial Consumption Of Marine Organic Matter, Sarah Benson
Warming Temperatures Increase Microbial Consumption Of Marine Organic Matter, Sarah Benson
Master's Theses and Capstones
Marine microbes are vital to oceanic ecosystems and influence the global climate through their paramount role in Earth’s biogeochemical cycles. With this intricate role in ecosystems, it is important to understand the effect of increasing ocean temperatures on the cycling of organic matter (OM), which is hypothesized to contribute a positive feedback to future warming via an acceleration in microbial respiration of OM to CO2. We experimentally investigated the temperature sensitivity of microbial consumption of marine particulate OM focused in the rapidly warming Gulf of Maine during the 2019 and 2020 Fall phytoplankton bloom. The overall rate and quantity of …
Seeing The Forest For The Trees: A Social-Ecological Approach To Sustainably Managing Outdoor Recreation Visitation In Parks And Protected Areas, Georgia Ann Giles
Seeing The Forest For The Trees: A Social-Ecological Approach To Sustainably Managing Outdoor Recreation Visitation In Parks And Protected Areas, Georgia Ann Giles
Master's Theses and Capstones
Parks and protected areas visitation in the United States has increased substantially over the past several decades, and dramatically within the past few years. This expansion in visitation raises concerns regarding the influence of social, situational, and ecological factors upon visitor experiences, natural resources, and adjacent communities. This study investigated the relationship between three influencing factors and visitors’ behaviors and decision-making on the White Mountain National Forest (WMNF) of New Hampshire. A mail-back and online survey method was used to collect data from WMNF visitors from June to August of 2020 (n= 642). Structural equation modeling and binary logistic regression …
Existence Of Mutual Stabilization In Chaotic Neural Models, John Parker
Existence Of Mutual Stabilization In Chaotic Neural Models, John Parker
Doctoral Dissertations
Recent work has demonstrated that interacting chaotic systems can establish persistent, periodic behavior, called mutual stabilization, when certain information is passed through interaction functions. In particular, this was first shown with two interacting cupolets (Chaotic Unstable Periodic Orbit-lets) of the double scroll oscillator. Cupolets are highly accurate approximations of unstable periodic orbits of a chaotic attractor that can be generated through a control scheme that repeatedly applies perturbations along Poincaré sections. The decision to perturb or not to perturb the trajectory is determined by a bit in a binary control sequence. One interaction function used in the original cupolet research …
Mathematical Analysis Of A Model Of Blood Flow Through A Channel With Flexible Walls, Madeline Mayes Edwards
Mathematical Analysis Of A Model Of Blood Flow Through A Channel With Flexible Walls, Madeline Mayes Edwards
Doctoral Dissertations
The present research is devoted to the problem of stability of the fluid flow moving in a channel with flexible walls and interacting with the walls. The walls of the vessel conveying fluid are subject to traveling waves. Experimental data shows that the energy of the flowing fluid can be transferred and consumed by the structure (the walls), which induces “traveling wave flutter.” The problem of stability of fluid-structure interaction splits into two parts: (i) stability of fluid flow in the channel with harmonically moving walls and (ii) stability of solid structure participating in the energy exchange with the flow. …
Ecological Interactions Of The Trematode Parasite Zoogonus Rubellus And Its First And Second Intermediate Hosts, Sara Edquist
Ecological Interactions Of The Trematode Parasite Zoogonus Rubellus And Its First And Second Intermediate Hosts, Sara Edquist
Doctoral Dissertations
Trematode parasites are ubiquitous in marine environments and their importance in ecological function is becoming increasingly recognized, impacting host behaviors, food web dynamics, and community diversity. Trematodes are inextricably tied to their hosts. Therefore, to understand the role of trematodes it is essential to understand their relationships with their hosts. Trematodes typically utilize first intermediate, second intermediate, and definitive hosts to complete their life cycle. Second intermediate hosts are underrepresented in trematode research. Most parasite models and theory are thus incomplete as they rarely include this life stage of the parasite. This research examines the relationship between the trematode Zoogonus …
Speeding-Up A Random Search For The Global Minimum Of A Non-Convex, Non-Smooth Objective Function, Arnold C. Englander
Speeding-Up A Random Search For The Global Minimum Of A Non-Convex, Non-Smooth Objective Function, Arnold C. Englander
Doctoral Dissertations
The need to find the global minimum of a highly non-convex, non-smooth objective function over a high-dimensional and possibly disconnected, feasible domain, within a practical amount of computing time, arises in many fields. Such objective functions and/or feasible domains are so poorly-behaved that gradient-based optimization methods are useful only locally – if at all. Random search methods offer a viable alternative, but their convergence properties are not well-studied. The present work adapts a proof by Baba et al. (1977) to establish asymptotic convergence for Monotonic Basin Hopping, a random search method used in molecular modeling and interplanetary spacecraft trajectory optimization. …
Molecular Simulation Studies Of Dynamics And Interactions In Nucleic Acids, Lev Levintov
Molecular Simulation Studies Of Dynamics And Interactions In Nucleic Acids, Lev Levintov
Doctoral Dissertations
In my thesis work, I conducted molecular simulation studies to explore dynamics and interactions in nucleic acids. I began my work by applying conventional molecular dynamics (MD) simulations to study the local and global dynamics of the transactivation response (TAR) element from the type-1 human immunodeficiency virus (HIV-1) and the effect of binding of ligands on the dynamics of TAR RNA. I determined that the TAR RNA structure was stabilized on binding of ligands due to the decreased flexibility in helices that comprise TAR RNA. This rigidity of the TAR RNA structure was coupled with the decreased flipping of bulge …
Structural And Binding Studies Of The Polar Organizing Protein Z (Popz) Using Nmr Spectroscopy, Christopher Taylor Nordyke
Structural And Binding Studies Of The Polar Organizing Protein Z (Popz) Using Nmr Spectroscopy, Christopher Taylor Nordyke
Doctoral Dissertations
The polar organizing protein Z (PopZ) is an intrinsically disordered protein from Caulobacter crescentus that is necessary for the formation of three-dimensional microdomains at the cell poles, where it functions as a hub protein that recruits multiple regulatory proteins. Although a large portion of the protein is predicted to be disordered, PopZ can self-assemble into polymeric superstructure scaffolds that directly bind to at least ten different proteins. Here, we report the solution NMR structure of PopZΔ134–177, a truncated variant of PopZ that does not self-assemble but retains the ability to interact with heterologous proteins. We show that the unbound form …
Why Are We Doing This: How Students Find Meaning In Research Writing Across Contexts, Scott Lasley
Why Are We Doing This: How Students Find Meaning In Research Writing Across Contexts, Scott Lasley
Doctoral Dissertations
Building on the work of Eodice, Geller, and Lerner and other Composition and Higher Education scholars, my dissertation examines what factors create a meaningful research writing experience. Specifically, this study explores two research questions: 1) How do advanced-level student writers define themselves as writers who use research? 2) How do those identities influence how they understand and utilize research writing concepts? I pursued these questions through a year-long, IRB-approved, qualitative study of junior and senior university students across the disciplines, including English, Neuroscience, and Computer Engineering. Using surveys and interviews, I asked them about meaningful research writing they have done …
Nanoelectronic Devices For Sensitive Detection Of Biomarkers In Healthcare Monitoring, Md Niazul Islam Khan
Nanoelectronic Devices For Sensitive Detection Of Biomarkers In Healthcare Monitoring, Md Niazul Islam Khan
Doctoral Dissertations
In recent years, biosensors have seen an exponential rise of their applications in a number of fields including the field of health care monitoring, particularly in point-of-care diagnostics. With the contemporary rise of nanotechnology, these biosensors have experienced an ever-growing inclusion of nano scale electronic devices or nanoelectronic devices to exploit the plethora of advantages of nanoelectronics. The performances of these nanoelectronic devices, however, largely depend on the nanomaterials used. Especially, carbon-based nanomaterials such as carbon nanotubes (CNTs) and graphene have proven to be superior candidates compared to others because of their multitude of electronic and mechanical properties suitable for …
Investigating The Evolutionary Dynamics Of Traits In Metazoa, Jennifer L. Spillane
Investigating The Evolutionary Dynamics Of Traits In Metazoa, Jennifer L. Spillane
Doctoral Dissertations
Over the last 800 million years, animals have evolved an incredible array of diverse forms, life histories, ecologies, and traits. In the age of genome-scale resources for many animal taxa, researchers have a unique opportunity to investigate animal diversity and evolution through comparative genomic methods. These methods allow for studies not only of current diversity and evolutionary relationships, but also of ancient evolutionary dynamics and genomic repertoire. In order to study the evolution of diverse animal traits in a rigorous way however, researchers must not neglect the fundamental components of a robust comparative genomics study: well-supported phylogenies, high-quality genomic resources, …