Physical Sciences and Mathematics Commons^™

The Search Behavior Of Terrestrial Mammals, M. Noonan, C. Martinez-Garcia, C. H. Fleming, A. R. Little Et. Al

School of Natural Resources: Faculty Publications

No abstract provided.

Impacts Of Algal Blooms And Microcystins In Fish On Small-Scale Fishers In Winam Gulf, Lake Victoria: Implications For Health And Livelihood, Amber F. Roegner, Jessica R. Corman, Lewis M. Sitoki, Zachary A. Kwena, Zachary Ogari, Jared Babu Miruka, Ame Xiong, Chelsea Weirich, Christopher Mulanda Aura, Todd Rex Miller

School of Natural Resources: Faculty Publications

Lake Victoria, bordered by Kenya, Tanzania, and Uganda, provides one of the largest freshwater fisheries in the world and supports millions in small-scale fishing communities. Historical environmental change, including population growth, nutrient loading, introduced invasive species, and rising temperatures, has resulted in eutrophication and persistent cyanobacterial harmful algae blooms (cyanoHABs) over recent decades, particularly in the shallower gulfs, bays, and inlets. CyanoHABs impact fisheries and food web dynamics and compromise food and water security for nearshore fisher populations. In this study, we examine the socialecological impact of freshwater blooms on fisher health in one of these eutrophic regions, Winam Gulf …

Panta Rhei Benchmark Dataset: Socio-Hydrological Data Of Paired Events Of Floods And Droughts, Heidi Kreibich, Elliot Wickham, Et Al.

School of Natural Resources: Faculty Publications

As the adverse impacts of hydrological extremes increase in many regions of the world, a better understanding of the drivers of changes in risk and impacts is essential for effective flood and drought risk management and climate adaptation. However, there is currently a lack of comprehensive, empirical data about the processes, interactions, and feedbacks in complex human–water systems leading to flood and drought impacts. Here we present a benchmark dataset containing socio-hydrological data of paired events, i.e. two floods or two droughts that occurred in the same area. The 45 paired events occurred in 42 different study areas and cover …

Taps Program Evaluation – Producers, Stephanie M. Kennedy, Mark E. Burbach

School of Natural Resources: Faculty Publications

No abstract provided.

Taps Program Evaluation – Non-Producers, Stephanie M. Kennedy, Mark E. Burbach

School of Natural Resources: Faculty Publications

No abstract provided.

Revisiting The Carbon–Biodiversity Connection, John Gamon

School of Natural Resources: Faculty Publications

This article is a Commentary on Schuldt et al., https://doi.org/10.1111/gcb.16697

The link between biodiversity and ecosystem function has long been a subject of intense interest and debate among biologists, going back to the time of Charles Darwin, whose ideas on species interactions presaged subsequent discussions of biodiversity and ecosystem function (Peterson et al., 1998). Since then, many considerations of community diversity have centered on the importance of species or functional diversity for maintaining system resilience in the face of disturbance, analogous to the way that interwoven threads maintain the function and integrity of fabric. While our language, concepts, and methods …

Drought Affects Sex Ratio And Growth Of Painted Turtles In A Long-Term Study In Nebraska, Larkin Powell, Ellen Dolph, Charrissa R. Neil

School of Natural Resources: Faculty Publications

Climate forecasts suggest the Great Plains of North America have increased risk of droughts during global warming. Environmental factors have potential to influence turtle populations in aquatic habitats through temperature-dependent sex determination and influences on food availability. Long-term studies are critical to evaluate the influence of climatic variation on turtles. We used a 12-year set of mark-recapture data collected from painted turtles (Chrysemys picta, n = 162) in a pond in Keith County, Nebraska during 2005–2016 to assess variation in sex ratio and growth dynamics. Southwest Nebraska experienced two periods of drought during our study (Palmer Hydrologic Drought Index [PHDI] …

Drought Influences Annual Survival Of Painted Turtles In Western Nebraska, Allyson N. Beard, Larkin Powell

School of Natural Resources: Faculty Publications

Aquatic habitats in the Great Plains of North America have increased risk of droughts under climate forecasts. Droughts have the potential to influence the population dynamics of pond turtles, and long-term studies are useful to assess the impact of climatic variation on turtles. We compiled twelve years of mark-recapture data for painted turtles (Chrysemys picta) captured in a pond in Keith County, Nebraska during 2005–2016 that included two periods of drought. We used a robust design analysis to investigate influences on population size, annual survival, temporary immigration, and capture probability. Estimates of the annual population size ranged from 92 (CI: …

Connecting Distinct Realms Along Multiple Dimensions: A Meta-Ecosystem Resilience Perspective, David G. Angeler, Jani Heino, Juan Rubio-Ríos, J. Jesús Casas

School of Natural Resources: Faculty Publications

Resilience research is central to confront the sustainability challenges to ecosystems and human societies in a rapidly changing world. Given that social-ecological problems span the entire Earth system, there is a critical need for resilience models that account for the connectivity across intricately linked ecosystems (i.e., freshwater, marine, terrestrial, atmosphere). We present a resilience perspective of meta-ecosystems that are connected through the flow of biota, matter and energy within and across aquatic and terrestrial realms, and the atmosphere. We demonstrate ecological resilience sensu Holling using aquatic-terrestrial linkages and riparian ecosystems more generally. A discussion of applications in riparian ecology and …

White-Tailed Deer (Odocoileus Virginianus) Fawn Survival And The Influence Of Landscape Characteristics On Fawn Predation Risk In The Southern Appalachian Mountains, Usa, Andrew R. Little, A. C. Edge, J. P. Rosenberger, C. J. Yates, C. H. Killmaster, K. L. Johannsen Et Al.

School of Natural Resources: Faculty Publications

No abstract provided.

Evaluating Benthic Macroinvertebrate Populations In Response To Scouring Events In The Trinity River, Ca, Liam Hay, Michael W. O'Neil, Chloe Pieper-Wasem

Environmental Science & Management Senior Capstones

River systems across California have been impacted by appurtenant structures such as dams and diversions. These structures have had an adverse impact on Benthic invertebrate (BMI) communities by regulating river systems and changing the natural hydraulic pulses that follow seasonal precipitation. Benthic invertebrates are a critical food resource for salmonids and serve as an indicator of ecosystem health. Our study was interested in seeing the effects of scouring events on BMI in the Trinity River of Trinity County, C.A. Following a large precipitation event that occurred in the region in December 2022, an influx of water entered the river through …

Labile Carbon And Soil Texture Control Nitrogen Transformation In Deep Vadose Zone, Lidong Li, Jordan Shields, Daniel D. Snow, Michael Kaiser, Arindam Malakar

Daugherty Water for Food Global Institute: Faculty Publications

Understanding transient nitrogen (N) storage and transformation in the deep vadose zone is critical for controlling groundwater contamination by nitrate. The occurrence of organic and inorganic forms of carbon (C) and nitrogen and their importance in the deep vadose zone is not well characterized due to difficulty in sampling and the limited number of studies. We sampled and characterized these pools beneath 27 croplands with different vadose zone thicknesses (6–45 m).We measured nitrate and ammonium in different depths for the 27 sites to evaluate inorganic N storage. We measured total Kjeldahl nitrogen (TKN), hot-water extractable organic carbon (EOC), soil organic …

Globally Scalable Approach To Estimate Net Ecosystem Exchange Based On Remote Sensing, Meteorological Data, And Direct Measurements Of Eddy Covariance Sites, Ruslan Zhuravlev, Andrey Dara, André Luís Diniz Dos Santos, Oleg Demidov, George Burba

Daugherty Water for Food Global Institute: Faculty Publications

Despite a rapid development of Nature-Based Solutions (NBS) for carbon removal in recent years, the methods for evaluating NBS still have certain gaps. We propose an approach based on a combination of remote sensing data and meteorological variables to reconstruct the spatiotemporal variation of net ecosystem exchange from eddy-covariance stations. A Lagrangian particle dispersion model was used for upscaling satellite images and flux towers. We trained data-driven models based on kernel methods separately for each selected land-cover class. The results suggest that the proposed approach to quantifying carbon exchange on a medium-to-large scale by blending eddy covariance flux data with …

Role Of Social Determinants Of Health In Differential Respiratory Exposure And Health Outcomes Among Children, Jagadeesh Puvvula, Jill A. Poole, Yeongjin Gwon, Eleanor G. Rogan, Jesse E. Bell

Daugherty Water for Food Global Institute: Faculty Publications

Background Attributes defining the Social Determinants of Health (SDoH) are associated with disproportionate exposures to environmental hazards and differential health outcomes among communities. The dynamics between SDoH, disproportionate environmental exposures, and differential health outcomes are often specific to micro-geographic areas.

Methods This study focused on children less than 20 years of age who lived in Douglas County, Nebraska, during 2016–2019. To assess the role of SDoH in differential exposures, we evaluated the association between SDoH metrics and criteria pollutant concentrations and the association between SDoH and pediatric asthma exacerbations to quantify the role of SDoH in differential pediatric asthma outcomes. …

Field Tests Of A Uav-Compatible Spectrometer To Evaluate Its Suitability For Detailed Soil Radon Potential Mapping, Alexandria Briahnne Thomas

Theses and Dissertations--Earth and Environmental Sciences

As part of ongoing research on radionuclide mapping and radon hazard characterization, field tests were performed to evaluate the suitability and limitations of a UAV-compatible gamma spectrometer. To date, this data set includes completed stationary data collection, mobile ground collection, multi-level UAV flights over a known material transition, as well as redundant ground and multi-level UAV data collection over a relatively uniform area. Total counts were used as a measure of soil radionuclide levels for our data collected above background. Although our test sites were in regions underlain by bedrock with high indoor radon levels, uranium counts were barely above …

My Encounters With Paradise: The Evolution Of Natural Beauty And Luminist Aesthetics In Central Florida, Jeremy Laplanche

Honors Program Theses

Historically, the marshes and swamps of Central Florida have been depicted as a paradise in artwork by naturalists such as William Bartram and Luminist landscape painters like Martin Johnson Heade. Today, the image of Florida’s tourism centers around theme parks and beaches. However, state parks in Central Florida preserve and restore unique ecosystems. This thesis analyzes the effectiveness of Wekiwa Springs State Park and Blue Spring State Park’s management practices for maintaining the Luminist and naturalist aesthetics. Previous research has identified the role of landscape paintings, particularly from the Hudson River School and the American West, in establishing America’s appreciation …

Computational Decision Support For Socio-Technical Awareness Of Land-Use Planning Under Complexity—A Dam Resilience Planning Case Study, Andreas Tolk, Jennifer A. Richkus, F. Leron Shults, Wesley J. Wildman

VMASC Publications

Land-use planning for modern societies requires technical competence as well as social competence. We therefore propose an integrative solution enabling better land-use planning and management through better-informed decision-making. We adapt a method developed for cross-disciplinary team building to identify the stakeholders and their various objectives and value systems. We use these results to populate artificial societies embedded into a dynamic data analytics framework as a tool to identify, explore, and visualize the challenges resulting from the different objectives and value systems in land-use planning and management. To prove the feasibility of the proposed solution, we present two use cases from …

An Examination Of Scenarios To Increase Waterfowl Hunting Participation, M. P. Hinrichs, J. Nawrocki, M. P. Gruntarod, M. P. Vrtiska, M. A. Pegg

School of Natural Resources: Faculty Publications

No abstract provided.

Using Seasonal Climate Scenarios In The Forageahead Annual Forage Production Model For Early Drought Impact Assessment, M. Podebradska, B. K. Wylie, M. J. Hayes, D. J. Bathke, Y. A. Bayissa, S. P. Boyte, J. F. Brown, B. D. Wardlow

School of Natural Resources: Faculty Publications

No abstract provided.

Spatiotemporal Patterns Of Wolves And Sympatric Predators And Prey Relative To Human Disturbance In Northwestern Greece, M. Petridou, J. F. Benson, O. Gimenez, K. Kati

School of Natural Resources: Faculty Publications

No abstract provided.

The Influence Of Place Attachment On Farmers’ Succession Plans: A Mixed Methods Study, M. E. Burbach, S. M. Kennedy, S. J. Kunert

School of Natural Resources: Faculty Publications

No abstract provided.

Foundational Conditions Enabling Participatory River Management In Watersheds Of Two Regulatorily Disparate States: A Mixed Methods Study, M. E. Burbach, S. Kennedy, W. M. Eaton, K. J. Brasier

School of Natural Resources: Faculty Publications

No abstract provided.

199958, David Kerstetter, Sean T. Wilms, Zachery Young, Brittany N. Savercool

PERC Post-Release Swordfish Survival sPAT Data

Datasets (and supporting material) from 28 sPAT electronic tags deployed on undersized swordfish as part of the MSMS thesis project of Zachery Young.

199959, David Kerstetter, Sean T. Wilms, Zachery Young, Brittany N. Savercool

PERC Post-Release Swordfish Survival sPAT Data

Datasets (and supporting material) from 28 sPAT electronic tags deployed on undersized swordfish as part of the MSMS thesis project of Zachery Young.

199956, David Kerstetter, Sean T. Wilms, Zachery Young, Brittany N. Savercool

PERC Post-Release Swordfish Survival sPAT Data

Datasets (and supporting material) from 28 sPAT electronic tags deployed on undersized swordfish as part of the MSMS thesis project of Zachery Young.

199961, David Kerstetter, Sean T. Wilms, Zachery Young, Brittany N. Savercool

PERC Post-Release Swordfish Survival sPAT Data

Datasets (and supporting material) from 28 sPAT electronic tags deployed on undersized swordfish as part of the MSMS thesis project of Zachery Young.

199960, David Kerstetter, Sean T. Wilms, Zachery Young, Brittany N. Savercool

PERC Post-Release Swordfish Survival sPAT Data

Datasets (and supporting material) from 28 sPAT electronic tags deployed on undersized swordfish as part of the MSMS thesis project of Zachery Young.

199966, David Kerstetter, Sean T. Wilms, Zachery Young, Brittany N. Savercool

PERC Post-Release Swordfish Survival sPAT Data

Datasets (and supporting material) from 28 sPAT electronic tags deployed on undersized swordfish as part of the MSMS thesis project of Zachery Young.

199967, David Kerstetter, Sean T. Wilms, Zachery Young, Brittany N. Savercool

PERC Post-Release Swordfish Survival sPAT Data

Datasets (and supporting material) from 28 sPAT electronic tags deployed on undersized swordfish as part of the MSMS thesis project of Zachery Young.

199968, David Kerstetter, Sean T. Wilms, Zachery Young, Brittany N. Savercool

PERC Post-Release Swordfish Survival sPAT Data

Datasets (and supporting material) from 28 sPAT electronic tags deployed on undersized swordfish as part of the MSMS thesis project of Zachery Young.