Digital Commons Network^™

Adsorption-Dissolution Reactions Affecting The Distribution And Stability Of Coii Edta In Iron Oxide-Coated Sand, James E. Szecsody, John M. Zachara, Patrick Bruckhart

United States Department of Energy: Publications

The time-variant chemical behavior of Co^IIEDTA (and other metal-EDTA complexes) was investigated in suspensions of iron oxide-coated sand to identify equilibrium and kinetic reactions that control the mobility of Me^IIEDTA complexes in subsurface environments. Batch experiments were conducted to evaluate the adsorption as a function of pH, concentration, and time and to quantify the rate-controlling step(s) of dissolution of the iron oxide by EDTA complexes. Ionic Co²⁺ exhibited typical cation-like adsorption, whereas Me^IIEDTA adsorption was ligand-like, increasing with decreasing pH. Adsorption isotherms for all reactive species exhibited Langmuir behavior, with site saturation occurring …

Interaction Of Hydrophobic Organic Compounds With Mineral-Bound Humic Substances, Ellyn M. Murphy, John M. Zachara, Steven Smith, Jerry Phillips, Thomas Wletsma

United States Department of Energy: Publications

The sorption of hydrophobic organic compounds (HOC) on mineral-associated peat humic acid (PHA) was evaluated under different pH and electrolyte regimes. Relative size distribution measurements indicated that PHA was “coiled” in solution at high ionic strength (I) and elongated at low I. The sorption of PHA to hematite and kaolinite varied with I and electrolyte cation, suggesting that the configuration of the humic acid in solution influenced its structure on the mineral surface. The sorption maxima for PHA on kaolinite indicated that PHA occupies twice the mineral surface area at low I (0.005) as that observed at …

Light, Chlorophyll, Carboxylase Activity And Co2 Fixation At Various Depths In The Chlorenchyma Of Opuntia Ficus-Indica (L.) Miller Under Current And Elevated Co2, Park S. Nobel, Muyi Cui, Alvaro A. Israel

United States Department of Energy: Publications

Mature cladodes of Opuntia ficus-indica (L.) Miller have a thick chlorenchyma (about 4 mm) with a relatively high chlorophyll content (0-65 g m^-2), suggesting that light may be greatly attenuated and hence CO₂ fixation negligible in the inner part of this tissue. Indeed, blue light (400-470 nm) and red light (670-685 nm) were 99% attenuated in the outer 2 mm of the chlorenchyma when the cladodes developed under both current and elevated CO₂ concentrations. Nevertheless, the nocturnal acidity increase and ¹⁴C accumulation following a brief exposure to ¹⁴CO₂ at night decreased only 22 …

A Novel Protein, Csg2p, Is Required For Ca2+ Regulation In Saccharomyces Cerevisiae, Troy Beeler, Kenneth Gable, Chun Zhao, Teresa Dunn

Uniformed Services University of the Health Sciences

Nineteen mutants that lost the ability to grow in 100 mM Ca²⁺ (but remained insensitive to 50 mM Sr²⁺) were identified in a screen of approximately 60,000 mutagenized yeast colonies. Cells carrying mutations in the CSG2 gene grow normally in low Ca²⁺ medium but have decreased growth rates when the Ca²⁺ concentration is above 10 mM. The csg2 mutant cells accumulate much higher levels of Ca²⁺ in a compartment that is exchangeable with extracellular Ca²⁺ but the nonexchangeable Ca²⁺ pool which predominates in wild-type cells is not influenced. Sr²⁺ influx is …

Regulation Of Cellular Ca2+ By Yeast Vacuoles, Teresa Dunn, Kenneth Gable, Troy Beeler

Uniformed Services University of the Health Sciences

The role of vacuolar Ca²⁺ transport systems in regulating cellular Ca²⁺ was investigated by measuring the vacuolar Ca²⁺ transport rate, the free energy available to drive vacuolar Ca²⁺ transport, the ability of the vacuole to buffer lumenal Ca²⁺, and the vacuolar Ca²⁺ efflux rate. The magnitude of the Ca²⁺ gradient generated by the vacuolar H⁺gradient best supports a 1 Ca²⁺:2 H⁺ coupling ratio for the vacuolar Ca²⁺/H⁺ exchanger. This coupling ratio along with a cytosolic Ca²⁺ concentration of 125 nM would give a …

Response To Outside Review Team, Southeast Research And Extension Center

Southeast Research and Extension Center: Reports and Administration

CONTENTS

Children, Youth and Families at Risk
Nutrition, Food Safety, Food Quality
Solid Waste Management
Agricultural Sustainability and Profitability
Enhancing Water Quality
Strengthening Nebraska Communities/Leadership
Structure
Urban Programming

(18 pages)

Issues Review Exit Report, January 10-13, 1994, Southeast Research & Extension Center

Southeast Research and Extension Center: Reports and Administration

The SREC is a well-run, productive unit with the faculty showing a lot of commitment and teamwork. It is apparent that District Director Loyd Young has done an outstanding job of providing leadership and developing an effective staff and unit. The issues addressed by this unit appear on target. The unit has identified emerging issues for the near future.

Ken Bolen, Dean and Director of Cooperative Extension, asked the Review Team to evaluate the extension program with a focus on what's best for clientele. He asked the team to consider the following questions:
1. What are the issues? Has the …

Issue Review Document January 1994, Southeast Research & Extension Center

Southeast Research and Extension Center: Reports and Administration

The reports contained in this review document contain ambitious plans for extension in the district. Each faculty member views their particular specialty as important to the overall effectiveness of extension and desires to see resources committed to it. In an effort to aid the review team in their recommendations, overarching consensuses and personnel recommendations from each report have been gathered in an executive summary.

Contents

Review Team Schedule

Review Team Members

Introduction

Executive Summary

Organizational Culture

Initiative Team Reports
Children, Youth and Families at Risk
Nutrition, Food Safety, Food Quality
Solid Waste Management
Agricultural Sustainability and Profitability
Enhancing Water Quality …

Index

Professional and Organizational Development Network in Higher Education: Conference Materials

No abstract provided.

19th Annual Conference Advance Program And Registration Materials

Professional and Organizational Development Network in Higher Education: Conference Materials

Vision Quest: Dialogues on Dreams and Best Practice in Professional and Organizational Development

Welcome, by Larry K. Quinsland, Conference Coordinator

Preliminary Conference Schedule

Special Events and Speakers

Preconference Workshops

Concurrent Sessions and Roundtable Discussions

Special Interest Networking

Poster Sessions and Materials and Resource Fair

Educational Expeditions

Alphabetical Listing of Sessions Being Reviewed As This Publication Went to Press

19th Annual Conference Program

Professional and Organizational Development Network in Higher Education: Conference Materials

Exploring the Conference Theme

Welcome, by Larry K. Quinsland, Conference Coordinator

POD Executive Directors

1994-95 CORE Committee Members

Acknowledgements

Conference Information and Resources

Conference Overview

Conference At-a-Glance

Special Events and Speakers

Conference Program

Meeting Facilities Red Lion Hotel Columbia River

Program Modifications

G94-1202 Vaccination Guide For The Small Poultry Flock, Eva Wallner-Pendleton

University of Nebraska-Lincoln Extension: Historical Materials

This NebGuide will help the small flock owner decide whether vaccinations might help prevent disease in the flock. Types of vaccines and methods of application are also discussed.

Vaccines are widely used by the livestock industry to prevent diseases. Commercial poultry (farms with greater than 5,000 birds) are almost universally vaccinated against a variety of diseases. Preventative vaccinations have resulted in increased health and improved production efficiency in the poultry industry.

G94-1200 Anthracnose Diseases Of Shade Trees (Revised July 1997), Laurie J. Stepanek, Mark O. Harrell, David S. Wysong

University of Nebraska-Lincoln Extension: Historical Materials

This NebGuide describes anthracnose diseases in sycamore, ash, oak, maple and walnut trees and offers suggestions for control.

Anthracnose diseases affect a wide variety of plants including many popular shade trees. Sycamore, ash, oak, maple, and walnut commonly exhibit symptoms each spring. Although the symptoms may appear serious, anthracnose diseases rarely kill trees. In most cases, healthy trees quickly recover from anthracnose infections with little damage to their long-term health.

Nf94-198 Making Choices About Cleaning Flood Damaged Bedding And Household Linens, Kathleen Heiden, Shirley Niemeyer

University of Nebraska-Lincoln Extension: Historical Materials

This NebFact has information about cleaning bedding and linens after a flood to prevent mildew and odors.

G94-1208 Managing The Alfalfa Weevil, Stephen D. Danielson, Thomas E. Hunt, Keith J. Jarvi

University of Nebraska-Lincoln Extension: Historical Materials

The identification and life cycle of the alfalfa weevil are discussed along with scouting techniques, economic thresholds, and other integrated pest management tactics.

The alfalfa weevil is the primary insect pest of alfalfa in Nebraska. Management is essential to reduce crop losses, particularly during years when weevil infestation is high. Because there also are years when weevil damage is economically unimportant, it is necessary for growers to become familiar with sampling procedures, management guidelines, and control recommendations so control techniques are not used unnecessarily.

1994 Nebraska Swine Report

Nebraska Swine Reports

1994 Nebraska Swine Report

Nebline, January 1994

NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County

Horticulture

Rural $ense

Human Resources

4-H & Youth

Environmental Focus

Community & Leadership Development

Extension Calendar

Expanded Food and Nutrition Education Program (EFNEP)

Nebraska Association for Family and Community Education News

and other extension news and events

Woodpeckers, Rex E. Marsh

Prevention and Control of Wildlife Damage Handbook

Woodpeckers (Melanerpes erythrocephalusand Picoides pubescens) belong to the order Piciformes and the family Picidae, which also includes flickers and sapsuckers. Woodpeckers are found throughout the United States. Because they are dependent on trees for shelter and food, woodpeckers are found mostly in or on the edge of wooded areas. Most woodpeckers feed on tree-living or wood-boring insects; however, some feed on a variety of other insects. Woodpeckers are an interesting and familiar group of birds. Woodpecker damage to buildings is a relatively infrequent problem nationwide, but may be significant regionally and locally. Woodpeckers are classified as migratory, …

Nf94-203 Reimbursable Food Components In Nebraska's Child And Adult Care Food Program Meal Pattern, Darlene Martin

University of Nebraska-Lincoln Extension: Historical Materials

This NebFact discusses food components in Nebraska's Child and Adult Care Food Program.

Block And Bridle Annual, 1994

Block and Bridle Annual (1933–2021)

Table of Contents:

HISTORIAN'S LETTER
EMBLEM AND PURPOSE
DR. ABERLE'S LETTER
lNlTlATES
MEMBERS
CANDIDS
OFFICERS
OTHER IMPORTANT PEOPLE
HONOREE OF THE YEAR, 1993
KIDS', DAY
ANIMAL SCIENCE SCHOLARSHIP RECIPIENTS
FUN ACTIVITIES
IMPORTANT MEETINGS
ANIMAL SCIENCE FACULTY
ANIMAL SCIENCE GRADUATE STUDENTS
BEEF SHOW
BRANDS
QUARTER HORSE SHOW
STATE AGRICULTURAL EDUCATION CONTEST
LITTLE MAEC
LITTLE AK-SAR-BEN
MEATS JUDGING TEAM
MAEC TEAM
HORSE JUDGING TEAM
SENIOR LIVESTOCK JUDGING TEAM
JUNIOR LIVESTOCK JUDGING TEAM
ANNUAL SPONSORSHIP SELLERS

Recognition, Investigation, And Control Of Communicable-Disease Outbreaks In Child Day-Care Settings, Jeffrey P. Davis, William R. Mackenzie, David G. Addiss

United States Public Health Resources

As increasing numbers of young children attend day-care centers in the US, the elevated risk of acquiring infectious diseases in this setting has emerged as an important public health issue.¹ Outbreaks of infectious diseases occur frequently within the daycare setting,² and enteric and respiratory pathogens may be readily transmitted to household members and others in the community.^1,2 The economic burden of these outbreaks is considerable; for example, parents of children in day care miss an average of I to 4 weeks of work each year to care for their sick children.¹ Investigations of communicable-disease outbreaks in …

Molecular Subtyping Of Salmonella Enteritidis Phage Type 8 Strains From The United States, Miguel A. Usera, Tanja Popovic, Cheryl A. Bopp, Nancy A. Strockbine

United States Public Health Resources

Salmonella enteridis is now the most common serotype of the genus Salmonella reported in the United States. Bacteriophage typing has been helpful for subdividing S. enteritidis strains from different sources in the United States. Most S. enteritidis outbreaks reported were egg related, and the majority of them were caused by strains of phage type 8. To determine whether restriction fragment length polymorphism of the rRNA genes (ribotyping) and of the genomic DNAs from two lysogenic phages from S. enteritidis could be used to discriminate between S. enteritidis phage type 8 strains, we conducted Southern hybridization studies on 24 isolates from …

Status Of Bovine Tuberculosis In North America, M. A. Essey, M. A. Koller

Michigan Bovine Tuberculosis Bibliography and Database

The eradication of bovine tuberculosis from North America is in the advanced stages as Canada and the United States struggle to remove the last vestiges of the disease from the domestic livestock population. Canada realistically anticipates total eradication from the national cattle herd within the next few years. The United States must yet effectively deal with the increased tuberculosis exposure potential from imported steers and from bovine tuberculosis newly discovered in its captive cervid industry. This paper reviews the history and development of tuberculosis eradication programs in North America. The basic evolution is described from area testing to slaughter surveillance …

Armadillo (Dasypus Novemcinctus), Donald W. Hawthorne

Prevention and Control of Wildlife Damage Handbook

The armadillo (Dasypus novemcinctus) is a rather interesting and unusual animal that has a protective armor of “horny” material on its head, body, and tail. The armadillo ranges from south Texas to the southeastern tip of New Mexico, through Oklahoma, the southeastern corner of Kansas and the southwestern corner of Missouri, most of Arkansas, and southwestern Mississippi. The armadillo prefers dense, shady cover such as brush, woodlands, forests, and areas adjacent to creeks and rivers. More than 90% of the armadillo’s diet is made up of insects and their larvae. The armadillo is active primarily from twilight through …

Bird Damage At Aquaculture Facilities, W. Paul Gorenzel, Fred S. Conte, Terrell P. Salmon

Prevention and Control of Wildlife Damage Handbook

Reduction of the damage caused by fish-eating birds requires accurate bird identification and some knowledge of avian biology and habits. The open-water areas and large concentrations of aquatic livestock at aquaculture facilities are natural attractants to many birds. Birds can have a significant economic impact on the culture of aquatic products including fish, shellfish, crustaceans, and other invertebrates. For our purpose here, we will refer to these birds as fish-eating birds, and the aquatic products as fish.

Magpies, Thomas C. Hall

Prevention and Control of Wildlife Damage Handbook

Magpies (Pica pica and P. nuttalli) have lived in close association with humans for centuries. Magpies are found in western North America. Magpies are associated with the dry, cool climatic regions of North America. Magpies are omnivorous and very opportunistic, a characteristic typical of other corvids. Magpies, like other corvids, are intelligent birds. Magpies have come into conflict with humans in North America for quite some time. Magpies are protected as migratory nongame birds under the Federal Migratory Bird Treaty Act.

European Starlings, Ron J. Johnson, James F. Glahn

Prevention and Control of Wildlife Damage Handbook

Starlings (Sturnus vulgaris) are robin-sized birds weighing about 3.2 ounces (90g). Since their introduction into New York in the 1890s, starlings have spread across the continental United States, northward to Alaska and the southern half of Canada, and southward into northern Mexico. Starlings are found in a wide variety of habitats including cities, towns, farms, ranches, open woodlands, fields, and lawns. Starlings consume a variety of foods, including fruits and seeds of both wild and cultivated varieties. European starlings were brought into the United States from Europe. Starlings are frequently considered pests because of the problems they cause, …

Table Of Contents, Vol. 73, No. 1

Nebraska Law Review

No abstract provided.

Agricultural Law Symposium: An Introduction, Norman W. Thorson

Nebraska Law Review

A symposium-issue introduction to the articles resulting from the November 1993 American Agricultural Law Association (AALA) Annual Meeting and Educational Conference in San Francisco, California.

1993 International Trade Update: The Gatt And Nafta, David R. Purnell

Nebraska Law Review

I. Introduction

II. The General Agreement on Tariffs and Trade (GATT) ... A. History ... B. Current Status ... 1. Export Competition ... a. Subsidies ... 2. Market Access ... a. Tariffication ... b. Quotas ... 1. The Agricultural Waiver ... C. Additional Concerns

III. The North American Free Trade Agreement (NAFTA) … A. History ... 1. Canada-U.S. Free Trade Agreement (CUSTA) ... a. Dispute Resolution ... B. North American Free Trade Agreement (NAFTA) Negotiations ... 1. Major Provisions of NAFTA ... C. Current Status ... 1. Canadian Status and Concerns ... a. Election of the Liberal Government ... 1. …