87 Works

Alabama Soybean Variety Tests 1980

Donald L. Thurlow
"March 1981."

Performance of soybean varieties in Alabama, 2012

Kathryn M. Glass, & Edzard Van Santen
"December 2012"

Performance of small grain varieties in Alabama, 2020-2021

Henry G. Jordan
Caption title.

Digital Ethics in ePortfolios: Developing Principles, Strategies, and Scenarios

Amy Cicchino, Megan Haskins, Morgan Gresham, Kevin Kelly, Christine Slade & Sarah Zurhellen
In response to rising concerns about digital ethics in ePortfolio practice, the Association for Authentic, Experiential, Evidence-Based Learning (AAEEBL) created a Digital Ethics Task Force charged with researching and articulating research-based practices for ePortfolios. After year one, the Task Force released the Digital Ethics Principles in ePortfolios: Version 1. This article describes the process used to recruit Task Force members and develop the resulting principles. In using the Task Force as a model for international...

Discovering Diversity with High-Throughput Approaches: Introduction to a Virtual Symposium in The Biological Bulletin

Kenneth M. Halanych & Andrew R. Mahon

Anatomy of the Laminar Organs of Commelina erecta (Commelinaceae)

Roland R. Dute, Brian E. Jackson, Ryan D. Adkins & Debbie R. Folkerts
A study was undertaken to compare the anatomy of the laminar floral parts with that of the spathes and leaves of Commelina erecta L. Each flower has two types of petals and two types of sepals. In contrast to the other organs, the petals have a completely open venation system whose vein endings consist solely of modified bundle-sheath cells. Bundle sheaths of leaves and spathes, but not the floral organs, contain sclerified cells for support....

Data for A chromosome-level genome assembly for the Eastern Fence Lizard (Sceloporus undulatus), a reptile model for physiological and evolutionary ecology

Tonia Schwartz
Background: High-quality genomic resources facilitate investigations into behavioral ecology, morphological and physiological adaptations, and the evolution of genomic architecture. Lizards in the genus Sceloporus have a long history as important ecological, evolutionary, and physiological models, making them a valuable target for the development of genomic resources. Findings: We present a high-quality chromosome-level reference genome assembly, SceUnd1.0, (utilizing 10X Genomics Chromium, HiC, and PacBio data) and tissue/developmental stage transcriptomes for the Eastern Fence Lizard, Sceloporus undulatus....

1975 Alabama grain sorghum performance tests

Cover title. "February 1976."

Politics a \"Chilly\" Environment for Undergraduate Women in Norway

Cissy J. Ballen, Dahsol Lee, Lise Rakner & Cotner Sehoya
Gender differences in academic performance and attitudes are widespread in male-stereotyped disciplines but rarely are studied in the social sciences. To assess the extent that gender influences the behavior of undergraduate women in political science, participation was analyzed in a large (N = 130) introductory comparative-politics class at the University of Bergena large public university in Norway. In the 2016 fall semester, observers documented classroom behaviors of men and women using a protocol that characterizes...

Microsatellite and mating type markers reveal unexpected patterns of genetic diversity in the pine root‐infecting fungus Grosmannia alacris

Tuan A. Duong, Z. Wilhelm De Beer, Brenda D. Wingfield, Lori G. Eckhardt & Michael J. Wingfield
Grosmannia alacris is a fungus commonly associated with root‐infesting bark beetles occurring on Pinus spp. The fungus has been recorded in South Africa, the USA, France, Portugal and Spain and importantly, has been associated with pine root diseases in South Africa and the USA. Nothing is known regarding the population genetics or origin of G. alacris, although its association with root‐infesting beetles native to Europe suggests that it is an invasive alien in South Africa....

Using Unmanned Aerial Vehicles (UAVs) to Conduct Site Inspections of Erosion and Sediment Control Practices and Track Project Progression

Michael Perez, Wesley C. Zech & Wesley N. Donald
Construction activities increase the erosion potential of a site through earth-disturbing processes of vegetative grubbing, topsoil stripping, and grading. Receiving waters become susceptible and vulnerable to the process of sedimentation, which degrades the overall water quality. Federal, state, and local regulations require the use of erosion and sediment controls to help manage stormwater discharge from construction sites. Regulations further require regular inspections, monitoring, and maintenance of employed erosion and sediment control practices. Unmanned aerial vehicles...

Performance of grain sorghum in Alabama, 2021

Henry G. Jordan
Caption title.

Eukaryotic N-Glycosylation Occurs via the Membrane-anchored C-terminal Domain of the Stt3p Subunit of Oligosaccharyltransferase

Chengdong Huang, Rajagopalan Bhaskaran & Smita Mohanty
N-Glycosylation is an essential and highly conserved protein modification. In eukaryotes, it is catalyzed by a multisubunit membrane-associated enzyme, oligosaccharyltransferase (OT). We report the high resolution structure of the C-terminal domain of eukaryotic Stt3p. Unlike its soluble -sheet-rich prokaryotic counterparts, our model reveals that the C-terminal domain of yeast Stt3p is highly helical and has an overall oblate spheroid-shaped structure containing a membrane-embedded region. Anchoring of this protein segment to the endoplasmic reticulum membrane is...

Automatically identifying, counting, and describing wild animals in camera-trap images with deep learning

Mohammad Sadegh Norouzzadeh, Anh Nguyen, Margaret Kosmala, Alexandra Swanson, Meredith S. Palmer, Craig Packer & Jeff Clune
Having accurate, detailed, and up-to-date information about the location and behavior of animals in the wild would improve our ability to study and conserve ecosystems. We investigate the ability to automatically, accurately, and inexpensively collect such data, which could help catalyze the transformation of many fields of ecology, wildlife biology, zoology, conservation biology, and animal behavior into "big data" sciences. Motion-sensor "camera traps" enable collecting wildlife pictures inexpensively, unobtrusively, and frequently. However, extracting information from...

Data for: Ecologically relevant thermal fluctuations enhance offspring fitness: biological and methodological implications for studies of thermal developmental plasticity

Joshua M Hall & Daniel A Warner
Natural thermal environments are notably complex and challenging to mimic in controlled studies. Consequently, our understanding of the ecological relevance and underlying mechanisms of organismal responses to thermal environments is often limited. For example, studies of thermal developmental plasticity have provided key insights into the ecological consequences of temperature variation, but most laboratory studies use treatments that do not reflect natural thermal regimes. While controlling other important factors, we compared the effects of naturally fluctuating...

Performance of peanuts in Alabama, 2018

Henry G. Jordan
Caption title. "September 16, 2020"

Performance of soybean varieties in Alabama, 1984

& Darrell Williams
"February 1985."

Eugene B. Sledge and Mobile: 75 Years After \"The War\"

Aaron Trehub
Brief magazine piece on Eugene B. Sledge and his boyhood in Mobile, Alabama on the 75th anniversary of the battle of Okinawa and the end of World War II.

Methodology Development for Evaluating Inlet Protection Practices (IPPs) Using Large-Scale Testing Techniques

Michael Perez, W.C. Zech & X. Fang
Most roadway construction projects disturb existing vegetation exposing bare soil to environmental variables (i.e., precipitation, wind, and freeze and thaw) that cause erosion. Soil eroded during storm events is conveyed by storm water runoff and may become deposited in receiving waterways. Inlet protection practices (IPPs) are temporary erosion and sediment controls commonly used around inlet drainage structures to prevent erosion while also retaining sediment on-site. Effective IPPs impound storm water, prevent upstream channel erosion, and...

Compute Critical and Normal Depths of Arch and Elliptical Pipes

Michael Perez, C. G. Butler & X. Fang
Arch and elliptical pipes are commonly used as roadway culverts. The pipe section is composed of three radii, which result in complex equations to compute cross-sectional geometry and hydraulic parameters, such as normal and critical depths. Basic sizing charts do not allow direct calculation of hydraulic properties of these pipe sections. Therefore, general formulas were developed to compute hydraulic properties for any given arch pipe cross section. An Excel workbook capable of calculating normal and...

Performance of ryegrass varieties in Alabama, 2020-2021

Henry G. Jordan
Caption title.

Integral approximations in ab initio, electron propagator calculations

Roberto Flores-Moreno & J.V. Ortiz
Treatments of interelectronic repulsion that avoid four-center integrals have been incorporated in ab initio, electron-propagator calculations with diagonal self-energy matrices. Whereas the formal scaling of arithmetic operations in the propagator calculations is unaffected, the reduction of storage requirements is substantial. Moreover, the scaling of integral transformations to the molecular orbital base is lowered by one order. Four-index, electron-repulsion integrals are regenerated from three-index intermediates. Test calculations with widely applied self-energy approximations demonstrate the accuracy of...

Sequential addition of H2O, CH3OH, and NH3 to Al3O3-: A theoretical study

Alfredo Guevara-Garcia, Ana Martinez & J.V. Ortiz
Photoelectron spectra of two species, Al3O3(H2O)(2)(-) and Al3O3(CH3OH)(2)(-), that are produced by the addition of two water or methanol molecules to Al3O3- are interpreted with density-functional geometry optimizations and electron propagator calculations of vertical electron detachment energies. In both cases, there is only one isomer that is responsible for the observed spectral features. A high barrier to the addition of a second molecule may impede the formation of Al3O3N2H6- clusters in an analogous experiment with...

Household preparedness for tornado hazards: The 2011 disaster in DeKalb County, Alabama

Philip L. Chaney, Greg S. Weaver, Susan A. Youngblood & Kristin Pitts
This paper contributes to existing knowledge on factors that influence adoption of hazards adjustments for tornadoes. The Protective Action Decision Model provides the theoretical basis for the study, which was conducted after the 2011 disaster in DeKalb County, Alabama. Most of the 124 survey participants had received public safety information on how to prepare for a tornado, understood the definition of a tornado warning, had participated in a tornado drill, and had a plan for...

Increased cellular free cholesterol in macrophage-specific Abca1 knock-out mice enhances pro-inflammatory response of macrophages

Xuewei Zhu, Ji-Young Lee, Jenelle M. Timmins, J. Mark Brown, Elena Boudyguina, Anny Mulya, Abraham K. Gebre, Mark C. Willingham, Elizabeth M. Hiltbold & Nilamadhab Mishra
Macrophage-specific Abca1 knock-out (Abca1(-M/-M)) mice were generated to determine the role of macrophage ABCA1 expression in plasma lipoprotein concentrations and the innate immune response of macrophages. Plasma lipid and lipoprotein concentrations in chow-fed Abca1(-M/-M) and wild-type (WT) mice were indistinguishable. Compared with WT macrophages, Abca1(-M/-M) macrophages had a > 95% reduction in ABCA1 protein, failed to efflux lipid to apoA-I, and had a significant increase in free cholesterol (FC) and membrane lipid rafts without induction...

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