57 Works

Appalachian Caregiver Perspectives on Childhood Gun Safety in the Home

Dannell Boatman
Background: Childhood gun injuries pose a critical public health challenge. For children, unintentional gun injury deaths primarily occur in the home where parents or other adult guardians, referred to as caregivers hereafter, are responsible for safety. While the American Academic of Pediatrics recommends not having guns in areas where children live and play, firearms are often viewed as normative and fill an important role in many homes. This is particularly true in more rural areas,...

Data from: Botany is the root and the future of invasion biology

Nicholas Kooyers, Brittany Sutherland, Craig Barrett, James Beck, Michael McKain, Maribeth Latvis & Erin Sigel
This dataset was used to create Figure 1 within the linked On the Nature of Things article. The article describes how botanists have historically contributed to the field of invasion biology and why botanists should be an important contributor in the coming years. To make this point, we compared the relative frequencies of google ngrams containing the words 'invasive species', 'invasive plants', or the sum of frequencies from several different animal taxa including: ‘invasive insects’,...

Data from: Does hunting or hiking affect wildlife communities in protected areas?

Roland Kays, Arielle W. Parsons, Megan C. Baker, Ellizabeth L. Kalies, Tavis Forrester, Robert Costello, Christopher T. Rota, Joshua J. Millspaugh & William J. McShea
Managed public wild areas have dual mandates to protect biodiversity and provide recreational opportunities for people. These goals could be at odds if recreation, ranging from hiking to legal hunting, disrupts wildlife enough to alter their space use or community structure. We evaluated the effect of managed hunting and recreation on 12 terrestrial wildlife species by employing a large citizen science camera trapping survey at 1947 sites stratified across different levels of human activities in...

Data from: Genetic analyses reveal cryptic introgression in secretive marsh bird populations

Stephanie S. Coster, Amy B. Welsh, Gary Costanzo, Sergio R. Harding, James T. Anderson, Susan B. McRae & Todd E. Katzner
Hybridization is common in bird populations but can be challenging for management, especially if one of the two parent species is of greater conservation concern than the other. King rails (Rallus elegans) and clapper rails (R. crepitans) are two marsh bird species with similar morphologies, behaviors, and overlapping distributions. The two species are found along a salinity gradient with the king rail in freshwater marshes and the clapper in estuarine marshes. However, this separation is...

Data from: A 34K SNP genotyping array for Populus trichocarpa: Design, application to the study of natural populations and transferability to other Populus species

Armando Geraldes, Steve P. DiFazio, Gancho T. Slavov, Priya Ranjan, Wellington Muchero, Jan Hannemann, Lee E. Gunter, Ann M. Wymore, Christopher J. Grassa, Nima Farzaneh, Ilga Porth, Athena D. Mckown, Oleksandr Skyba, Eryang Li, Miki Fujita, Jaroslav Klápště, Joel Martin, Wendy Schackwitz, Christa Pennacchio, Daniel Rokhsar, Michael C. Friedmann, Geoffrey O. Wasteneys, Robert D. Guy, Yousry A. El-Kassaby, Shawn D. Mansfield … & Gerald A. Tuskan
Genetic mapping of quantitative traits requires genotypic data for large numbers of markers in many individuals. For such studies, the use of large single nucleotide polymorphism (SNP) genotyping arrays still offers the most cost-effective solution. Herein we report on the design and performance of a SNP genotyping array for Populus trichocarpa (black cottonwood). This genotyping array was designed with SNPs pre-ascertained in 34 wild accessions covering most of the species latitudinal range. We adopted a...

Data from: Using a full annual cycle model to evaluate long-term population viability of the conservation-reliant Kirtland’s warbler after successful recovery

Donald J. Brown, Christine A. Ribic, Deahn M. Donner, Mark D. Nelson, Carol I. Bocetti, Christie M. Deloria-Sheffeld & Christie M. Deloria-Sheffield
Long-term management planning for conservation-reliant migratory songbirds is particularly challenging because habitat quality in different stages and geographic locations of the annual cycle can have direct and carry-over effects that influence the population dynamics. The Neotropical migratory songbird Kirtland's warbler Setophaga kirtlandii (Baird 1852) is listed as endangered under the U.S. Endangered Species Act and Near Threatened under the IUCN Red List. This conservation-reliant species is being considered for U.S. federal delisting because the species...

Data from: The splicing regulator PTBP2 controls a program of embryonic splicing required for neuronal maturation

Qin Li, Sika Zheng, Areum Han, Chia-Ho Lin, Peter Stoilov, Xiang-Dong Fu & Douglas L. Black
We show that the splicing regulator PTBP2 controls a genetic program essential for neuronal maturation. Depletion of PTBP2 in developing mouse cortex leads to degeneration of these tissues over the first three postnatal weeks, a time when the normal cortex expands and develops mature circuits. Cultured Ptbp2−/− neurons exhibit the same initial viability as wild type, with proper neurite outgrowth and marker expression. However, these mutant cells subsequently fail to mature and die after a...

Data from: Undergraduate research experiences broaden diversity in the scientific workforce

Paul R. Hernandez, Anna Woodcock, Mica Estrada & P. Wesley Schultz
New data highlight the importance of undergraduate research experiences (UREs) for keeping underrepresented science students on the pathway to a scientific career. We used a large-scale, 10-year longitudinal, multi-institutional, propensity score matched research design to compare the academic performance and persistence in science of students that participated in URE(s) compared to similar students that had no research experience. Results showed that students who completed 10-or-more hours of co-curricular faculty mentored research per week across two...

Water-borne and plasma corticosterone are not correlated in spotted salamanders

Alice Millikin, Sarah Woodley, Drew Davis, Ignacio Moore & James Anderson
Water-borne hormone measurement is a noninvasive method suitable for amphibians of all sizes that are otherwise difficult to sample. For this method, containment-water is assayed for hormones released by the animal. Originally developed in fish, the method has expanded to amphibians, but requires additional species-specific validations. We wanted to determine physiological relevance of water-borne corticosterone in spotted salamanders (Ambystoma maculatum) by comparing concentrations to those taken using established corticosterone sampling methods, such as plasma. Using...

Data from: Centennial-scale reductions in nitrogen availability in temperate forests of the United States

K. K. McLauchlan, L. M. Gerhart, J. J. Battles, J. M. Craine, A. J. Elmore, P. E. Higuera, M. C. Mack, B. E. McNeil, D. M. Nelson, N. Pederson & S. S. Perakis
Forests cover 30% of the terrestrial Earth surface and are a major component of the global carbon (C) cycle. Humans have doubled the amount of global reactive nitrogen (N), increasing deposition of N onto forests worldwide. However, other global changes—especially climate change and elevated atmospheric carbon dioxide concentrations—are increasing demand for N, the element limiting primary productivity in temperate forests, which could be reducing N availability. To determine the long-term, integrated effects of global changes...

Data from: A 454 survey reveals the community composition and core microbiome of the common bed bug (Cimex lectularius) across an urban landscape

Matthew Meriweather, Sara Matthews, Rita Rio & Regina S. Baucom
Elucidating the spatial dynamic and core constituents of the microbial communities found in association with arthropod hosts is of crucial importance for insects that may vector human or agricultural pathogens. The hematophagous Cimex lectularius (Hemiptera: Cimicidae), known as the human bed bug, has made a recent resurgence in North America, as well as worldwide, potentially owing to increased travel, climate change and resistance to insecticides. A comprehensive survey of the bed bug microbiome has not...

Data from: Testing models of reciprocal relations between social influence and integration in STEM across the college years

Paul Hernandez, V. Bede Agocha, Lauren Carney, Mica Estrada, Sharon Lee, David Loomis, Michelle Williams & Crystal Park
The present study tests predictions from the Tripartite Integration Model of Social Influences (TIMSI) concerning processes linking social interactions to social integration into science, technology, engineering, and mathematics (STEM) communities and careers. Students from historically overrepresented groups in STEM were followed from their senior year of high school through their senior year in college. Based on TIMSI, we hypothesized that interactions with social influence agents (operationalized as mentor network diversity, faculty mentor support, and research...

Water availability drives fine root dynamics in a Eucalyptus woodland under elevated atmospheric CO2 concentration

Juan Piñeiro, Raul Ochoa-Hueso, John Drake, Mark Tjoelker & Sally Power
Fine roots are a key component of carbon and nutrient dynamics in forest ecosystems. Rising atmospheric [CO2] (eCO2) is likely to alter the production and activity of fine roots, with important consequences for forest carbon storage. Yet empirical evidence of the role of eCO2 in driving root dynamics in low-nutrient forested ecosystems is limited, particularly for grassy woodlands, an ecosystem type of global importance. We sampled fine roots across seasons over a two-year period to...

Data from: A new Devonian euthycarcinoid evidences the use of different respiratory strategies during the marine-to-terrestrial transition in the myriapod lineage

Pierre Gueriau, James C. Lamsdell, Roy A. Wogelius, Phillip L. Manning, Victoria M. Egerton, Uwe Bergmann, Loïc Bertrand & Julien Denayer
Myriapods were, together with arachnids, the earliest animals to occupy terrestrial ecosystems, by at least the Silurian. The origin of myriapods and their land colonization have long remained puzzling until euthycarcinoids, an extinct group of aquatic arthropods considered amphibious, were shown to be stem group myriapods, extending the lineage to the Cambrian and evidencing a marine-to-terrestrial transition. Although possible respiratory structures comparable to the air-breathing tracheal system of myriapods are visible in several euthycarcinoids, little...

Data from: Large effect quantitative trait loci for salicinoid phenolic glycosides in Populus: implications for gene discovery

Scott A. Woolbright, Brian J. Rehill, Richard L. Lindroth, Stephen P. DiFazio, Gregory D. Martinsen, Mathew S. Zinkgraf, Gerard J. Allan, Paul Keim, Thomas G. Whitham & Matthew S. Zinkgraf
Genomic studies have been used to identify genes underlying many important plant secondary metabolic pathways. However, genes for salicinoid phenolic glycosides (SPGs)—ecologically important compounds with significant commercial, cultural, and medicinal applications—remain largely undescribed. We used a linkage map derived from a full‐sib population of hybrid cottonwoods (Populus spp.) to search for quantitative trait loci (QTL) for the SPGs salicortin and HCH‐salicortin. SSR markers and primer sequences were used to anchor the map to the V3.0...

Data from: From success to persistence: Identifying an evolutionary regime shift in the diverse Paleozoic aquatic arthropod group Eurypterida, driven by the Devonian biotic crisis

James C. Lamsdell & Paul A. Selden
Mass extinctions have altered the trajectory of evolution a number of times over the Phanerozoic. During these periods of biotic upheaval a different selective regime appears to operate, although it is still unclear whether consistent survivorship rules apply across different extinction events. We compare variations in diversity and disparity across the evolutionary history of a major Paleozoic arthropod group, the Eurypterida. Using these data, we explore the group's transition from a successful, dynamic clade to...

Data from: Demographic stimulation of the obligate understorey herb, Panax quinquefolius L., in response to natural forest canopy disturbances

Jennifer L. Chandler & James B. McGraw
1.Natural and anthropogenic forest canopy disturbances significantly alter forest dynamics and lead to multi-dimensional shifts in the forest understorey. An understorey plant's ability to exploit alterations to the light environment caused by canopy disturbance leads to changes in population dynamics. The purpose of this work was to determine if population growth of a species adapted to low light increases in response to additional light inputs caused by canopy disturbance, or alternatively, declines due to long-term...

Review of: Ailing in Place

Jerry Paulson & Jennifer A. Mallow
The Journal of Appalachian Health is committed to reviewing published media that relate to contemporary concepts affecting the health of Appalachia. The Appalachian environmental inequities and the health disparities we face have a direct effect on our experience of illness. Dr. Jerome Paulson reviews the book Ailing in Place: Environmental Inequities and Health Disparities in Appalachia.

Characterization of Salix nigra floral insect community and activity of three native Andrena bees

Stephen DiFazio, Sandra Simon, Ken Keefover-Ring, Yong-Lak Park, Gina Wimp & Julianne Grady
Salix nigra (black willow) is a widespread tree that hosts many species of polylectic hymenopterans and oligolectic bees of the genus Andrena. The early flowering of S. nigra makes it an important nutritive resource for insects emerging from hibernation. However, since S. nigra is dioecious, not all insect visits will lead to successful pollination. Using both visual observation and pan-trapping we characterized the community of insects that visited S. nigra flowers and assessed differences among...

America Contacts Congress: Providing Access to U.S. Congressional Correspondence Data

Danielle Emerling
$27,000 to complete a feasibility study that will assess and plan for the future collaborative technical infrastructure for an open-source congressional correspondence data access tool, to improve how libraries process and provide access to large data sets with sensitive information and how scholars and the public use data related to Americans’ civic engagement.

Data from: Stranger than a scorpion: a reassessment of Parioscorpio venator, a problematic arthropod from the Llandoverian Waukesha Lagerstätte

Evan Anderson, James Schiffbauer, Sarah Jacquet, James Lamsdell, Joanne Kluessendorf & Donald Mikulic
A relatively uncommon arthropod of the Waukesha lagerstätte, Parioscorpio venator, is redescribed as an arthropod bearing a combination of characters that defy ready classification. Diagnostic features include sub-chelate ‘great appendages’, a lack of antennae, multiramous anterior trunk appendages, filamentous fan-like rear trunk appendages, and apparently thin and poorly preserved pleural fields. Phylogenetic analysis resolves this organism as basal to crown-group Mandibulata and Chelicerata, but its exact placement is inconclusive. Thus, we compare its morphology to...

Advancing Cancer Prevention Practice Facilitation Work in Rural Primary Care During COVID-19

Dannell Boatman, Susan Eason, Mary E. Conn, Summer Miller & Stephenie Kennedy-Rea
COVID-19 and the response to slow the virus spread in West Virginia (WV), including a statewide stay-at-home order, presented challenges to rural primary care clinics on the frontlines. These challenges affected critical quality improvement work, including cancer screening services. In this commentary, the authors present the results of a survey of WV primary care practices that highlight potential long-term implications and identifies opportunities for practice facilitators to partner with rural primary care clinics to address...

A new method for quantifying heterochrony in evolutionary lineages

James Lamsdell
The occupation of new environments by evolutionary lineages is frequently associated with morphological changes. This co-variation of ecotype and phenotype is expected due to the process of natural selection, whereby environmental pressures lead to the proliferation of morphological variants that are a better fit for the prevailing abiotic conditions. One primary mechanism by which phenotypic variants are known to arise is through changes in the timing or duration of organismal development resulting in alterations to...

Evolution and development at the origin of a phylum

Bradley Deline, Jeffery Thompson, Nicholas Smith, Samuel Zamora, Imran Rahman, Sarah Sheffield, William Ausich, Thomas Kammer & Colin Sumrall
Quantifying morphological evolution is key to determining the patterns and processes underlying the origin of phyla. We constructed a hierarchical morphological character matrix to characterize the radiation and establishment of echinoderm body plans during the early Paleozoic. This showed that subphylum-level clades diverged gradually through the Cambrian, and the distinctiveness of the resulting body plans was amplified by the extinction of transitional forms and obscured by convergent evolution during the Ordovician. Higher-order characters that define...

Data from: Early phylogeny of crinoids within the pelmatozoan clade

William I. Ausich, Thomas W. Kammer, Elizabeth C. Rhenberg & David F. Wright
Phylogenetic relationships among early crinoids are evaluated by maximizing parsimonious-informative characters that are unordered and unweighted. Primarily Tremadocian–Darriwilian (Early–Middle Ordovician) taxa are analysed. Stratigraphic congruence metrics support the best phylogenetic hypothesis derived using parsimony methods. This study confirms the traditionally recognized lineages of Palaeozoic crinoids and provides new information on the branching order of evolving lineages. Camerates are basal crinoids with progressively more tipward groups (from an Ordovician perspective) being protocrinoids, cladids (paraphyletic), hybocrinids and...

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