Digital Commons Network^™

Congressional Control Of Tax Rulemaking, Clint Wallace

Faculty Publications

The notice and comment process is often touted as a mechanism for establishing political accountability, and providing a check on agency decision-making. Based on a survey of three years of recently proposed tax regulations, this Article shows that many notice-and-comment processes for tax regulations have been ineffective for these purposes. Fully one-third of the time, no one participated. The few participants there are have been heavily weighted towards private interests, which commented on approximately two-thirds of all proposed regulations from 2013 through 2015. In contrast, public interest groups commented on less than 24% of proposed regulations. If the notice and …

How Important Is Farm Profitability To Meat Goat Farmers?, Narayan P. Nyaupane, Jeffrey M. Gillespie, Kenneth W. Mcmillin

Faculty Publications

© 2017 American Registry of Professional Animal Scientists This study investigates United States meat goat producers’ goal structure and examines whether these goals are consistent with farm profitability. Data were collected using a nationwide mail survey, and 7 potential goals of meat goat farmers were analyzed. Results showed that “maximize profit” and “have family involved in agriculture” were the 2 most important goals, whereas “control weeds/vegetation” and “increase farm size” were the least-ranked goals. Regression results showed that farmer demographics, farm characteristics, economic indicators, and regional variables affected farmer goal structure. Results did not support a correlation between farm profitability …

Variation In Seed Size Is Structured By Dispersal Syndrome And Cone Morphology In Conifers And Other Nonflowering Seed Plants, Andrew B. Leslie, Jeremy M. Beaulieu, Sarah Mathews

Faculty Publications

© 2017 The Authors. New Phytologist © 2017 New Phytologist Trust Seed size varies tremendously in plants and its evolution is influenced by multiple ecological and biological factors that are difficult to disentangle. In this study, we focus on understanding the role of seed dispersal by animals in the evolution of seed size in conifers, the most diverse extant nonflowering seed plant group. Relationships among seed size, dispersal syndrome, climate and cone morphology were analyzed across conifers using quantitative models of character evolution and phylogenetic regression techniques. Dispersal syndrome is a more consistent predictor of seed size within major extant …

Distribution And Female Reproductive State Differences In Orexigenic And Anorexigenic Neurons In The Brain Of The Mouth Brooding African Cichlid Fish, Astatotilapia Burtoni, Danielle T. Porter, David A. Roberts, Karen P. Maruska

Faculty Publications

© 2017 Wiley Periodicals, Inc. Integration of reproduction and metabolism is necessary for species survival. While the neural circuits controlling energy homeostasis are well-characterized, the signals controlling the relay of nutritional information to the reproductive axis are less understood. The cichlid fish Astatotilapia burtoni is ideal for studying the neural regulation of feeding and reproduction because females cycle between a feeding gravid state and a period of forced starvation while they brood developing young inside their mouths. To test the hypothesis that candidate neuropeptide-containing neurons known to be involved in feeding and energy homeostasis in mammals show conserved distribution patterns, …

Bottom-Up Control Of Parasites, David S. Johnson, Richard W. Heard

Faculty Publications

Parasitism is a fundamental ecological interaction. Yet we understand relatively little about the ecological role of parasites compared to the role of free-living organisms. Bottom-up theory predicts that resource enhancement will increase the abundance and biomass of free-living organisms. Similarly, parasite abundance and biomass should increase in an ecosystem with resource enhancement. We tested this hypothesis in a landscape-level experiment in which salt marshes (60,000 m2 each) received elevated nutrient concentrations via flooding tidal waters for 11 yr to mimic eutrophication. Nutrient enrichment elevated the densities of the talitrid amphipod, Orchestia grillus, and the density and biomass of its trematode …

Dangerous Crossings: Voices From The African Migration To Italy/Europe, Robert M. Press

Faculty Publications

Africans continue to migrate across the Sahara and the Mediterranean Sea, where tens of thousands have drowned. In Libya, many suffer enslavement and other harsh treatment as they flee persecution or poverty, or both. Yet there have been few studies of their journey. This study, based primarily on some sixty interviews by the author in 2014–2016 with African migrants in Italy and France, provides a portrait of resilience, courage, and strategic decisions that differs sharply from media images of helplessness. It suggests reconsidering migrant networks and typologies in view of the breakdown and attempted repair of networks on these journeys, …

Hmgb1-Rage Pathway Drives Peroxynitrite Signaling-Induced Ibd-Like Inflammation In Murine Nonalcoholic Fatty Liver Disease, Varun Chandrashekaran, Ratanesh K. Seth, Diptadip Dattaroy, Firas Alhasson, Jacek Ziolenka, James Carson, Franklin G. Berger, Balaraman Kalyanaraman, Anna Mae Diehl, Saurabh Chatterjee

Faculty Publications

Recent clinical studies found a strong association of colonic inflammation and Inflammatory bowel disease (IBD)-like phenotype with NonAlcoholic Fatty liver Disease (NAFLD) yet the mechanisms remain unknown. The present study identifies high mobility group box 1 (HMGB1) as a key mediator of intestinal inflammation in NAFLD and outlines a detailed redox signaling mechanism for such a pathway. NAFLD mice showed liver damage and release of elevated HMGB1 in systemic circulation and increased intestinal tyrosine nitration that was dependent on NADPH oxidase. Intestines from NAFLD mice showed higher Toll like receptor 4 (TLR4) activation and proinflammatory cytokine release, an outcome strongly …

How Cultural Intelligence (Cq) Makes A Difference In Your Professional Environment, Michele Villagran

Faculty Publications

As workforces become more diverse, we face the challenge of managing increasingly diverse interactions. Many organizations apply the framework of “cultural intelligence” (CQ)—a person’s capability to adapt to new cultural settings or an unfamiliar cultural context. Rooted in academic research, CQ is a globally recognized way of assessing and improving effectiveness in culturally diverse situations. Leading organizations in business, education, government, and healthcare use CQ. This session will give an overview of CQ and its application within the information profession. It is designed for any individual that interacts with diverse cultures in any organizational segment.

The Parasite Extinction Assessment & Red List: An Open-Source, Online Biodiversity Database For Neglected Symbionts, Colin J. Carlson, Oliver C. Muellerklein, Anna J. Phillips, Kevin R. Burgio, Giovanni Castaldo, Carrie A. Cizauskas, Graeme S. Cumming, Tad Dallas, Jorge Doña, Nyeema Harris, Roger Jovani, Zhongqi Miao, Heather Proctor, Hyun Seok Yoon, Wayne M. Getz

Faculty Publications

Parasite conservation is a rapidly growing field at the intersection of ecology, epidemiology, parasitology, and public health. The overwhelming diversity of parasitic life on earth, and recent work showing that parasites and other symbionts face severe extinction risk, necessitates infrastructure for parasite conservation assessments. Here, we describe the release of the Parasite Extinction Assessment & Red List (PEARL) version 1.0, an open-access database of conservation assessments and distributional data for almost 500 macroparasitic invertebrates. The current approach to vulnerability assessment is based on range shifts and loss from climate change, and will be expanded as additional data (e.g., host-parasite associations …

Fungal Community Homogenization, Shift In Dominant Trophic Guild, And Appearance Of Novel Taxa With Biotic Invasion, Mark A. Anthony, Serita D. Frey, Kristina A. Stinson

Faculty Publications

Invasion by non-native plants may fundamentally restructure the soil fungal community. The invasive plant, Alliaria petiolata, produces secondary compounds suppressive to mycorrhizal fungi and may therefore be expected to have generally negative effects on other components of the fungal community. Here, we compared fungal biomass, diversity, community composition, and the relative abundance of fungal trophic guilds, along with edaphic properties of soils collected from uninvaded and invaded plots across six temperate forests. Invaded plots were differentiated from uninvaded plots by lower variation in fungal community composition (beta diversity) and soil properties, higher fungal richness and community evenness (alpha diversity), and …

A Scalable Field Study Protocol And Rationale For Passive Ambient Air Sampling: A Spatial Phytosampling For Leaf Data Collection, Tonny J. Oyana, Slawomir M. Lomnicki, Chuqi Guo, Stephania A. Cormier

Faculty Publications

© 2017 American Chemical Society. Stable, bioreactive, radicals known as environmentally persistent free radicals (EPFRs) have been found to exist on the surface of airborne PM2.5. These EPFRs have been found to form during many combustion processes, are present in vehicular exhaust, and persist in the environment for weeks and biological systems for up to 12 h. To measure EPFRs in PM samples, high volume samplers are required and measurements are less representative of community exposure; therefore, we developed a novel spatial phytosampling methodology to study the spatial patterns of EPFR concentrations using plants. Leaf samples for laboratory PM analysis …

Influence Of Two Ovulation-Inducing Agents On The Pituitary Response And Follicle Blood Flow In Mares, Y. L. Boakari, J. C. Ferreira, H. S. Canesin, D. L. Thompson, F. S. Lima, J. C.F. Pantoja, C. Meira

Faculty Publications

© 2017 The objective of the current study was to evaluate the effects of deslorelin and hCG, two ovulation-inducing therapies, on LH surge and follicle vascularity in mares. Thirty mares were either treated with 1.5 mg IM of deslorelin, 2,500 IU IV of hCG or 2 mL IM of NaCl 0.9% (GnRH, hCG and Saline groups, respectively). Power-flow Doppler examination and blood collection were performed every hour during the first 12 hours after treatment (H0) and every six hours between hours 12 (H12) and 30 (H30) after treatment. Moreover, endpoints were evaluated every hour through the last six hours before …

Early Rearing History Influences Oxytocin Receptor Epigenetic Regulation In Rhesus Macaques, Maggie Baker, Stephen G. Lindell, Carlos A. Driscoll, Zhifeng Zhou, Qiaoping Yuan, Melanie L. Schwandt, Isaac Miller-Crews, Elizabeth A. Simpson, Annika Paukner, Pier Francesco Ferrari, Ravi Kumar Sindhu, Muslima Razaqya, Wolfgang H. Sommer, Juan F. Lopez, Robert C. Thompson, David Goldman, Markus Heilig, J. Dee Higley, Stephen J. Suomi, Christina S. Barr

Faculty Publications

Adaptations to stress can occur through epigenetic processes and may be a conduit for informing offspring of environmental challenge. We employed ChIP-sequencing for H3K4me3 to examine effects of early maternal deprivation (peer-rearing, PR) in archived rhesus macaque hippocampal samples (male, n = 13). Focusing on genes with roles in stress response and behavior, we assessed the effects of rearing on H3K4me3 binding by ANOVA. We found decreased H3K4me3 binding at genes critical to behavioral stress response, the most robust being the oxytocin receptor gene OXTR, for which we observed a corresponding decrease in RNA expression. Based on this finding, we …

Parasite Biodiversity Faces Extinction And Redistribution In A Changing Climate, Colin J. Carlson, Kevin R. Burgio, Eric R. Dougherty, Anna J. Phillips, Veronica M. Bueno, Christopher F. Clements, Giovanni Castaldo, Tad Dallas, Carrie A. Cizauskas, Graeme S. Cumming, Jorge Doña, Nyeema C. Harris, Roger Jovani, Sergey Mironov, Oliver C. Muellerklein, Heather C. Proctor, Wayne M. Getz

Faculty Publications

Climate change is a well-documented driver of both wildlife extinction and disease emergence, but the negative impacts of climate change on parasite diversity are undocumented. We compiled the most comprehensive spatially explicit data set available for parasites, projected range shifts in a changing climate, and estimated extinction rates for eight major parasite clades. On the basis of 53,133 occurrences capturing the geographic ranges of 457 parasite species, conservative model projections suggest that 5 to 10% of these species are committed to extinction by 2070 from climate-driven habitat loss alone. We find no evidence that parasites with zoonotic potential have a …

Parasite Biodiversity Faces Extinction And Redistribution In A Changing Climate, Colin J. Carlson, Kevin R. Burgio, Eric R. Dougherty, Anna J. Phillips, Veronica M. Bueno, Christopher F. Clements, Giovanni Castaldo, Tad A. Dallas, Carrie A. Cizauskas, Graeme S. Cumming, Jorge Doña, Nyeema C. Harris, Roger Jovani, Sergey Mironov, Oliver C. Muellerklein, Heather C. Proctor, Wayne M. Getz

Faculty Publications

Copyright © 2017 The Authors, some rights reserved. Climate change is a well-documented driver of both wildlife extinction and disease emergence, but the negative impacts of climate change on parasite diversity are undocumented. We compiled the most comprehensive spatially explicit data set available for parasites, projected range shifts in a changing climate, and estimated extinction rates for eight major parasite clades. On the basis of 53, 133 occurrences capturing the geographic ranges of 457 parasite species, conservative model projections suggest that 5 to 10% of these species are committed to extinction by 2070 from climate-driven habitat loss alone. We find …

Characteristics Of Ovarian Cancer Detection By A Near-Infrared Fluorescent Probe Activated By Human Nad(P)H: Quinone Oxidoreductase Isozyme 1 (Hnqo1), Yuko Nakamura, Zhenhua Shen, Toshiko Harada, Tadanobu Nagaya, Kazuhide Sato, Shuhei Okuyama, Fusa Ogata, Peter L. Choyke, Robin L. Mccarley, Hisataka Kobayashi

Faculty Publications

© Nakamura et al. Near-infrared (NIR) fluorescent probes are ideal for in vivo imaging, because they offer deeper tissue penetration by the light and lower background autofluorescence than fluorophores that emit in the visible range. Q3STCy is a newly synthesized, NIR light-emitting probe that is activated by an enzyme commonly overexpressed in tumor cells, human nicotinamide adenine dinucleotide (phosphate): quinone oxidoreductase isozyme 1, known as hNQO1 or DT-diaphorase. The purpose of this study is to compare the sensitivity of detecting peritoneal ovarian cancer metastasis (POCM) with Q3STCy and gGlu-HMRG, a green fluorescent probe, upon their surface application. In vitro uptake …

Alu Insertion Polymorphisms As Evidence For Population Structure In Baboons, Mark Batzer, Cody J. Steely, Jerilyn A. Walker, Vallmer E. Jordan, Thomas O. Beckstrom, Cullen L. Mcdaniel, Corey P. St. Romain, Emily C. Bennett, Arianna Robichaux, Brooke N. Clement, Muthuswamy Raveendran, Kim C. Worley, Jane Phillips-Conroy, Clifford J. Jolly, Jeff Rogers, Miriam K. Konkel

Faculty Publications

Male dispersal from the natal group at or near maturity is a feature of most baboon (Papio) species. It potentially has profound effects upon population structure and evolutionary processes, but dispersal, especially for unusually long distances, is not readily documented by direct field observation. In this pilot study, we investigate the possibility of retrieving baboon population structure in yellow (Papio cynocephalus) and kinda (Papio kindae) baboons from the distribution of variation in a genome-wide set of 494 Alu insertion polymorphisms, made available via the recently completed Baboon Genome Analysis Consortium. Alu insertion variation in a mixed …

Integrating Soil Silicon Amendment Into Management Programs For Insect Pests Of Drill-Seeded Rice, James M. Villegas, Michael O. Way, Rebecca A. Pearson, Michael J. Stout

Faculty Publications

© 2017 by the authors. Licensee MDPI, Basel, Switzerland. Silicon soil amendment has been shown to enhance plant defenses against insect pests. Rice is a silicon-accumulating graminaceous plant. In the southern United States, the rice water weevil and stem borers are important pests of rice. Current management tactics for these pests rely heavily on the use of insecticides. This study evaluated the effects of silicon amendment when combined with current management tactics for these rice insect pests in the field. Field experiments were conducted from 2013 to 2015. Rice was drill-planted in plots subjected to factorial combinations of variety (conventional …

Role Of Inward Rectifier Potassium Channels In Salivary Gland Function And Sugar Feeding Of The Fruit Fly, Drosophila Melanogaster, Daniel R. Swale, Zhilin Li, Felix Guerrero, Adalberto A. Pérez De León, Lane D. Foil

Faculty Publications

© 2016 The Authors The arthropod salivary gland is of critical importance for horizontal transmission of pathogens, yet a detailed understanding of the ion conductance pathways responsible for saliva production and excretion is lacking. A superfamily of potassium ion channels, known as inward rectifying potassium (Kir) channels, is overexpressed in the Drosophila salivary gland by 32-fold when compared to the whole body mRNA transcripts. Therefore, we aimed to test the hypothesis that pharmacological and genetic depletion of salivary gland specific Kir channels alters the efficiency of the gland and reduced feeding capabilities using the fruit fly Drosophila melanogaster as a …

Effect Of Dietary Salt Intake On Epithelial Na+ Channels (Enac) In Vasopressin Magnocellular Neurosecretory Neurons In The Rat Supraoptic Nucleus, Kaustubh Sharma, Masudul Haque, Richard Guidry, Yoichi Ueta, Ryoichi Teruyama

Faculty Publications

© 2017 The Authors. The Journal of Physiology published by John Wiley & Sons Ltd on behalf of The Physiological Society Key points: A growing body of evidence suggests that epithelial Na+ channels (ENaCs) in the brain play a significant role in the regulation of blood pressure; however, the brain structures that mediate the effect are not well understood. Because vasopressin (VP) neurons play a pivotal role in coordinating neuroendocrine and autonomic responses to maintain cardiovascular homeostasis, a basic understanding of the regulation and activity of ENaC in VP neurons is of great interest. We show that high dietary salt …

Alu Insertion Polymorphisms As Evidence For Population Structure In Baboons, Cody J. Steely, Jerilyn A. Walker, Vallmer E. Jordan, Thomas O. Beckstrom, Cullen L. Mcdaniel, Corey P. St Romain, Emily C. Bennett, Arianna Robichaux, Brooke N. Clement, Muthuswamy Raveendran, Kim C. Worley, Jane Phillips-Conroy, Clifford J. Jolly, Jeff Rogers, Miriam K. Konkel, Mark A. Batzer, Yue Liu, Shwetha Murali, Tauras P. Vilgalys, Jerilyn A. Walker

Faculty Publications

© The Author 2017. Male dispersal from the natal group at or near maturity is a feature of most baboon (Papio) species. It potentially has profound effects upon population structure and evolutionary processes, but dispersal, especially for unusually long distances, is not readily documented by direct field observation. In this pilot study, we investigate the possibility of retrieving baboon population structure in yellow (Papio cynocephalus) and kinda (Papio kindae) baboons from the distribution of variation in a genome-wide set of 494 Alu insertion polymorphisms, made available via the recently completed Baboon Genome Analysis Consortium. Alu insertion variation in a mixed …

Cannibalism And Infectious Disease: Friends Or Foes?, Benjamin G. Van Allen, Forrest P. Dillemuth, Andrew J. Flick, Matthew J. Faldyn, David R. Clark, Volker H.W. Rudolf, Bret D. Elderd

Faculty Publications

© 2017 by The University of Chicago. Cannibalism occurs in a majority of both carnivorous and noncarnivorous animal taxa from invertebrates to mammals. Similarly, infectious parasites are ubiquitous in nature. Thus, interactions between cannibalism and disease occur regularly. While some adaptive benefits of cannibalism are clear, the prevailing view is that the risk of parasite transmission due to cannibalism would increase disease spread and, thus, limit the evolutionary extent of cannibalism throughout the animal kingdom. In contrast, surprisingly little attention has been paid to the other half of the interaction between cannibalism and disease, that is, how cannibalism affects parasites. …

Effects Of Tectonics And Large Scale Climatic Changes On The Evolutionary History Of Hyalomma Ticks, Arthur F. Sands, Dmitry A. Apanaskevich, Sonja Matthee, Ivan G. Horak, Alan Harrison, Shahid Karim, Mohammad K. Mohammad, Kosta Y. Mumcuoglu, Rupika S. Rajakaruna, Maria M. Santos-Silva, Joshua Kamani, Conrad A. Matthee

Faculty Publications

Hyalomma Koch, 1844 are ixodid ticks that infest mammals, birds and reptiles, to which 27 recognized species occur across the Afrotropical, Palearctic and Oriental regions. Despite their medical and veterinary importance, the evolutionary history of the group is enigmatic. To investigate various taxonomic hypotheses based on morphology, and also some of the mechanisms involved in the diversification of the genus, we sequenced and analysed data derived from two mtDNA fragments, three nuclear DNA genes and 47 morphological characters. Bayesian and Parsimony analyses based on the combined data (2242 characters for 84 taxa) provided maximum resolution and strongly supported the monophyly …

Effect Of Metabolic Status On Conceptus–Maternal Interactions On Day 19 In Dairy Cattle: Ii. Effects On The Endometrial Transcriptome, Stefan Bauersachs, Constantine A. Simintiras, Roger G. Sturmey, Stefan Krebs, Jochen Bick, Helmut Blum, Eckhard Wolf, Pat Lonergan, Niamh Forde

Faculty Publications

The aim of this study was to test the hypothesis that the metabolic stresses associated with lactation alter the ability of the endometrium to respond appropriately to the conceptus by examining endometrial gene expression on day 19 of pregnancy. Immediately after calving, primiparous Holstein cows with similar production and fertility estimated breeding values were randomly divided into two groups and either dried off (i.e. never milked) immediately or milked twice daily. Approximately 65–75 days postpartum, grade 1 blastocysts recovered from superovulated Holstein heifer donors (n = 5) were transferred (1 per recipient) into lactating (n = 11) and nonlactating (n …

The Book Of Revelation: Guidelines For Responsible And Meaningful Preaching, Ranko Stefanovic

Faculty Publications

"Cautious preachers will be aware that their exposition of Revelation has far-reaching effects on the listeners,whether for blessing or eternal loss.

Therefore, it is of primary importance for preachers to acquaint themselves with the principles of prophetic inter- pretation so that they may be sure that their exposition of Revelation’s messages matches the intention of the inspired author who wrote down and organized theologically what had been shown to him in vision. This article provides several prac- tical guidelines for responsible and meaningful preaching of Revelation. This is a product of my own pilgrimage and many years of personal experi- …

Amblyomma Maculatum Secis Binding Protein 2 And Putative Selenoprotein P Are Indispensable For Pathogen Replication And Tick Fecundity, Khemraj Budachetri, Gary Crispell, Shahid Karim

Faculty Publications

Selenium, a vital trace element, is incorporated into selenoproteins to produce selenocysteine. Our previous studies have revealed an adaptive co-evolutionary process that has enabled the spotted fever-causing tick-borne pathogen Rickettsia parkeri to survive by manipulating an antioxidant defense system associated with selenium, which includes a full set of selenoproteins and other antioxidants in ticks. Here, we conducted a systemic investigation of SECIS binding protein 2 (SBP2) and putative selenoprotein P (SELENOP) by transcript silencing in adult female Gulf-coast ticks (Amblyomma maculatum). Knockdown of the SBP2 and SELENOP genes depleted the respective transcript levels of these tick selenogenes, and …

Application Of An Advanced Maximum Likelihood Estimation Restoration Method For Enhanced-Resolution And Contrast In Second-Harmonic Generation Microscopy, Mayandi Sivaguru, Mohammad M. Kabir, Manas Ranjan Gartia, David S.C. Biggs, Barghav S. Sivaguru, Vignesh A. Sivaguru, Glenn A. Fried, Gang Logan Liu, Sakthivel Sadayappan, Kimani C. Toussaint

Faculty Publications

Second-harmonic generation (SHG) microscopy has gained popularity because of its ability to perform submicron, label-free imaging of noncentrosymmetric biological structures, such as fibrillar collagen in the extracellular matrix environment of various organs with high contrast and specificity. Because SHG is a two-photon coherent scattering process, it is difficult to define a point spread function (PSF) for this modality. Hence, compared to incoherent two-photon processes like two-photon fluorescence, it is challenging to apply the various PSF-engineering methods to improve the spatial resolution to be close to the diffraction limit. Using a synthetic PSF and application of an advanced maximum likelihood estimation …

Connecting The Dots: Stopover Strategies Of An Intercontinental Migratory Songbird In The Context Of The Annual Cycle, Kristina Paxton, Frank R. Moore

Faculty Publications

The phases of the annual cycle for migratory species are inextricably linked. Yet, less than five percent of ecological studies examine seasonal interactions. In this study, we utilized stable hydrogen isotopes to geographically link individual black-and-white warblers (Mniotilta varia) captured during spring migration with breeding destinations to understand a migrant's stopover strategy in the context of other phases of the annual cycle. We found that stopover strategy is not only a function of a bird's current energetic state, but also the distance remaining to breeding destination and a bird's time-schedule, which has previously been linked to habitat conditions experienced …

The Role Of Efferent Reduction Of Cochlear Compression In The Detection Of Tones In Noise, Shaum Bhagat, Anusha Yellamsetty

Faculty Publications

Stimulation of medial olivocochlear (MOC) efferent neurons reduces basilar membrane (BM) sensitivity and increases the slope of BM input-output (I/O) functions in animal models. Decreased compression of I/O functions associated with activation of MOC efferent neurons may assist in extending the neural response to the tone above that of noise, leading to an improvement in masked thresholds. To evaluate this hypothesis, the distortion-product otoacoustic emission (DPOAE) I/O function, a proxy measure of BM compression, was examined in conditions with presentation of contralateral noise. DPOAE I/O functions were measured at f2 frequencies of 1000 and 2000 Hz in 16 normal-hearing adults. …

Reconstruction Of Piñon-Juniper Forest Structure To Examine Historic Wildlife Habitat Characteristics In The Davis Mountains, Usa, Brian P. Oswald, John R. Lanham, James C. Kroll, Mohammed M. Bataineh, Yanli Zhang

Faculty Publications

Changes in piñon-juniper (Pinus spp., Juniperus spp.) communities across the southwestern United States have often decreased ecological diversity of the understory and increases of exotic species. Reconstructing age and establishment patterns provides essential understanding to guide treatments and management for anthropogenically-altered forests. The goal of this study was to determine how patterns of piñon and juniper growth in the Davis Mountains, Texas, varied over time and how this pattern influenced wildlife habitat of several indicator species. Establishment patterns and basal area growth progression were identified, canopy cover estimates regressed from pre-developed canopy regression equations to re-construct historic forest stand …