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Articles 241 - 270 of 294
Full-Text Articles in Education
Ec02-172 Plumeless Thistle, Kara L. Hilgenfeld, Alex Martin
Ec02-172 Plumeless Thistle, Kara L. Hilgenfeld, Alex Martin
University of Nebraska-Lincoln Extension: Historical Materials
Plumeless thistle (Carduus acanthoides L.) is one of seven noxious weeds in Nebraska. An introduced invasive broadleaf weed native to Europe and Asia, plumeless thistle currently infests about 65,000 acres in Nebraska. Infestations of plumeless thistle may reduce productivity of pastures and rangeland, where infestations tend to be the largest. Plumeless thistle competes with and suppresses growth of desirable species. Heavy infestations prevent livestock from grazing the area and lighter infestations prevent livestock from eating plants growing near the thistle. Estimates place the annual loss in Nebraska agricultural production due to plumeless thistle at $162,000. Although plumeless thistle is …
Ec02-171 Canada Thistle, Robert G. Wilson
Ec02-171 Canada Thistle, Robert G. Wilson
University of Nebraska-Lincoln Extension: Historical Materials
Canada thistle [Cirsium arvense (L) Scop.] is one of the seven species defined by Nebraska law as a noxious weed. At least 35 other states also have determined by law that Canada thistle poses a threat to the economic, social, and aesthetic well-being of the residents of their state. Canada thistle is probably the most widespread of all the thistle species and many land managers consider it the most difficult thistle to control. In Nebraska, Canada thistle is estimated to infest 460,000 acres.
Ec02-176 Musk Thistle, Fred Roeth, Steven R. Melvin, Irvin L. Schleufer
Ec02-176 Musk Thistle, Fred Roeth, Steven R. Melvin, Irvin L. Schleufer
University of Nebraska-Lincoln Extension: Historical Materials
Musk thistle (Carduus nutans L.) is an introduced invasive broadleaf weed native to Europe, North Africa, and Asia. In these areas it is a minor weed because natural enemies keep its population low. When the plant was introduced into North America, its natural enemies were left behind. Without these natural checks, the thistle is able to thrive and compete with native vegetation.
Musk thistles aggressively invade all lands in Nebraska. Typical cropland weed control methods are very effective against them; however, land with permanent cover (pasture, range, roadway ditches and wasteland) that is not tilled or treated with a …
Ec02-174 Leafy Spurge, Robert A. Masters, Brady F. Kappler
Ec02-174 Leafy Spurge, Robert A. Masters, Brady F. Kappler
University of Nebraska-Lincoln Extension: Historical Materials
Leafy spurge is an invasive weed that infests over three million acres in the northern Great Plains and the prairie provinces of Canada. It is commonly found in rangelands, pastures, roadsides, rights-of-way, and woodlands. Leafy spurge can reduce rangeland and pasture carrying capacity by as much as 75 percent because it competes with forages and cattle avoid grazing areas infested with this weed. In North Dakota where leafy spurge infests about 900,000 acres, estimates of direct and indirect losses exceed $100 million each year. In Nebraska, the direct loss in forage value attributed to leafy spurge has been estimated at …
Virtual, On-Line, Frog Dissection Vs. Conventional Laboratory Dissection: A Comparison Of Student Achievement And Teacher Perceptions Among Honors, General Ability, And Foundations Level High School Biology Classes, Ronald H. Kopec
Seton Hall University Dissertations and Theses (ETDs)
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Stonehill Alumni Magazine Summer 2000, Stonehill College Office Of Communications And Media Relations
Stonehill Alumni Magazine Summer 2000, Stonehill College Office Of Communications And Media Relations
Stonehill Alumni Magazine
This issue of the magazine includes the following features:
- Fr. Cregan Named Stonehill's Ninth President: In April, the Board of Trustees appointed Fr. Mark T. Cregan, C.S.C. '78 an alumnus and trustee, and the pastor of a large inner-city parish in New York City, as the College's ninth president.
- Ireland: Historical Echoes, Contemporary Politics. Professors Richard Finnegan and Edward McCarron talk about their new book, Ireland: Historical Echoes, Contemporary Politics, which analyzes the ever-changing history, society and culture of Ireland. Interview by Michael Reardon
- Twilight: As Fr. Bartley MacPhaidin, C.S.C. entered the last days of his presidency, we shadowed him …
Ec00-1564 A Guide To Identifying Nebraska Bumble Bee Species, Marion D. Ellis, Doug Golick
Ec00-1564 A Guide To Identifying Nebraska Bumble Bee Species, Marion D. Ellis, Doug Golick
University of Nebraska-Lincoln Extension: Historical Materials
For more people, pollen means allergies and bees mean stings. However, you should thank a bee, butterfly, bat, bird, or other pollinator for one out of every three bites of food you eat. There are 95 crops grown in the United States that require insect pollinators. In addition, many bee-pollinated plants provide food for wildlife, increase soil fertility, and beautify our landscapes.
This extension circular discusses the importance of bees, capturing bees, making a reference collection, identification guide, and glossary.
Fort Wayne Alumnus, Taylor University Fort Wayne
Fort Wayne Alumnus, Taylor University Fort Wayne
TUFW Alumni Publications (All)
The Winter/Spring 1998 edition of The Fort Wayne Alumnus, published by Taylor University Fort Wayne in Fort Wayne, Indiana.
1: "To Know Ourselves", The U.S. Department Of Energy, The Human Genome Project
1: "To Know Ourselves", The U.S. Department Of Energy, The Human Genome Project
Genomics: Past & Future
AT THE END OF THE ROAD in Little Cottonwood Canyon, near Salt Lake City, Alta is a place of near-mythic renown among skiers. In time it may well assume similar status among molecular geneticists. In December 1984, a conference there, co-sponsored by the U.S. Department of Energy, pondered a single question: Does modern DNA research offer a way of detecting tiny genetic mutations—and, in particular, of observing any increase in the mutation rate among the survivors of the Hiroshima and Nagasaki bombings and their descendants? In short the answer was, Not yet. But in an atmosphere of rare intellectual fertility, …
G94-1208 Managing The Alfalfa Weevil, Stephen D. Danielson, Thomas E. Hunt, Keith J. Jarvi
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.
G94-1220 Controlling Ticks, John B. Campbell, Gustave D. Thomas
G94-1220 Controlling Ticks, John B. Campbell, Gustave D. Thomas
University of Nebraska-Lincoln Extension: Historical Materials
Identification and control of ticks common to Nebraska.
Ticks are members of the same phylum (Arthropoda) of the animal kingdom as insects, but are in a different class (Arachnida). The main difference is the body of a tick is composed of only two sections while insect bodies have three sections.
There are over 800 species of ticks, 100 of which are important to man and animals because of economic losses or disease transmission. Fortunately in the United States, only about 12 species are economically important because they transmit disease organisms (viral, bacterial, protozoan, and rickettsial) or cause economic losses to …
G93-1167 Spider Mite Management In Corn And Soybeans, Robert J. Wright, Ronald C. Seymour, Leon G. Higley, John B. Campbell
G93-1167 Spider Mite Management In Corn And Soybeans, Robert J. Wright, Ronald C. Seymour, Leon G. Higley, John B. Campbell
University of Nebraska-Lincoln Extension: Historical Materials
This NebGuide describes the two common spider mites found in Nebraska corn and soybeans, their natural enemies and management.
Two species of spider mites, the Banks grass mite and twospotted spider mite, commonly feed on Nebraska corn. Banks grass mites (BGM) feed almost exclusively on grasses, including corn and sorghum. Twospotted spider mites (TSM) not only feed on many species of grasses, but also on soybeans, fruit trees and a variety of vegetables and ornamental plants. Although these two species are somewhat similar in appearance, they differ in several biological characteristics and in their susceptibility to pesticides.
Banks grass mites …
Charles Birch: Synthesis And Hope, Rowan Cahill
Charles Birch: Synthesis And Hope, Rowan Cahill
Rowan Cahill
2: "The Mapping Of Chromosome 16", Norman A. Doggett, Raymond L. Stallings, Carl E. Hildebrand, Robert K. Moyzis
2: "The Mapping Of Chromosome 16", Norman A. Doggett, Raymond L. Stallings, Carl E. Hildebrand, Robert K. Moyzis
Genomics: Past & Future
Human chromosome 16 is the main focus of the mapping efforts at Los Alamos. The large photomicrograph on these opening pages illustrates the starting point for those mapping efforts, the evaluation of our chromosome-16-specific library of cloned fragments. Among the 23 pairs of human chromosomes, one pair, chromosome 16, is identified by fluorescence in-situ hybridization. Thousands of yellow fluorescent probes derived from the clone library have hybridized to both copies of chromosome 16. The high density and uniform coverage of the fluorescent signals were a strong indication that we could use the library to construct a map of overlapping cloned …
G91-1062 Termites (Revised March 2002), Shripat T. Kamble
G91-1062 Termites (Revised March 2002), Shripat T. Kamble
University of Nebraska-Lincoln Extension: Historical Materials
This NebGuide provides information on biology and control of subterranean termites.
Termites feed on wood and serve an important function in nature by converting dead trees into organic matter. Unfortunately, the wood in buildings is equally appetizing to termites and they cause serious damage to residential and commercial buildings. Two species of subterranean termites are found in Nebraska and both species have similar habitats.
An Experimental Study Utilizing Integrated / Right Brain Processes In Teaching Biology, Rebecca M. Aulenbacher
An Experimental Study Utilizing Integrated / Right Brain Processes In Teaching Biology, Rebecca M. Aulenbacher
Theses
The purpose of this study was to determine any measurable differences in student academic outcomes when they participated in activities designed to involve both hemispheres as compared to when they participated in activities designed to involve the left hemisphere . It was predicted that students who participated in more integrated/right brain activities would show higher academic achievement . It was further predicted that students who were right hemisphere preferenced would do better than those who were left hemisphere preferenced.
Two intact groups of Biology I students were taught the same four - chapter unit on cells , utilizing the same …
G87-838 Management Of Greenbugs In Sorghum (Revised May 1994), Robert J. Wright, Stephen D. Danielson, Zb Mayo
G87-838 Management Of Greenbugs In Sorghum (Revised May 1994), Robert J. Wright, Stephen D. Danielson, Zb Mayo
University of Nebraska-Lincoln Extension: Historical Materials
This NebGuide describes the identification, biology and management options for greenbugs in Nebraska sorghum.
The greenbug is the most important insect pest of grain and forage sorghums in Nebraska. Although numbers fluctuate from year to year, greenbugs are a limiting factor to sorghum yield in most years. Their management is complicated by the fact that greenbugs have been able to evolve populations capable of overcoming plant resistance and organophosphate insecticides, so best management practices continue to change over time.
Another common aphid found in sorghum is the corn leaf aphid. Corn leaf aphids are often mistaken for greenbugs; however, they …
Board Of Trustees Educational Policy Commitee May 19, 1985, Ellen N. Doughty, University Of Maine System
Board Of Trustees Educational Policy Commitee May 19, 1985, Ellen N. Doughty, University Of Maine System
Corporate Records
No abstract provided.
Taylor University Magazine (Spring 1985), Taylor University
Taylor University Magazine (Spring 1985), Taylor University
The Taylor Magazine (1963-Present)
The Spring 1985 edition of Taylor Magazine, published by Taylor University in Upland, Indiana.
G84-717 Fleas And Their Management (Revised January 1993), Shripat T. Kamble, David L. Keith
G84-717 Fleas And Their Management (Revised January 1993), Shripat T. Kamble, David L. Keith
University of Nebraska-Lincoln Extension: Historical Materials
This NebGuide provides information on flea biology and how to solve flea problems.
Fleas are among the most annoying pests known to humans. In ancient times, fleas were even indicted, found guilty and sentenced to condemnation. Today, the verdict remains the same.
In Nebraska, fleas are common household pests attacking dogs, cats and sometimes people. In addition to these, several other flea species occur in Nebraska, feeding principally on rodents and occasionally on poultry and livestock. The information provided in this publication will focus primarily on cat and dog fleas, as they are the most commonly encountered species.
No Pain Infliction By Untrained Youths, Christine Stevens
No Pain Infliction By Untrained Youths, Christine Stevens
Education Collection
Outlined are the efforts of the Animal Welfare Institute (AWl) for the last twenty-five years to end abuses to animals in high school biology programs. After concluding that the AWl's two brief rules prohibiting painful experimentation were not well understood by students even after years of effort, the AWl adopted the rules of the Canadian science fairs, which are similar to the Westinghouse Talent Search in that they simply prohibit experimentation on vertebrate animals. The presentation includes reference to the AWI manual, "Humane Biology Projects."
Humaneness Supersedes Curiosity, F. Barbara Orlans
Humaneness Supersedes Curiosity, F. Barbara Orlans
Education Collection
Ethical considerations need to be addressed with respect to educational use of animals. Society extends greater latitude in what is permissible to do to an animal in the name of science to a professional research worker than to a high school student. A balance needs to be made of the significance of the expected experimental results, on the one hand, which the ethical costs, (in terms of pain or death to the animal), on the other. A reasonable boundary can be drawn, based on ethical as well as on practical considerations, to exclude invasive procedures on vertebrate animals in high …
Objectives Of Animal Use In Biology Courses, William V. Mayer
Objectives Of Animal Use In Biology Courses, William V. Mayer
Education Collection
To confine discussion of educational use of animals to experimentation is to focus on only part of the animal use problem. To focus on use of animals in the classroom solely is to negate the value of field and community resource areas such as zoos, animal parks, nature trails, etc. The primary objective in dealing with living organisms is to inculcate a respect for all life. Objectives that focus on use of living animals for experimental purposes can, at best, be secondary and may in many cases be contrived. An understanding of animal life requirements and animal contributions is an …
The Challenge And Motivation Of Students Through Live Animal Projects, Thurman S. Grafton
The Challenge And Motivation Of Students Through Live Animal Projects, Thurman S. Grafton
Education Collection
The subject of use of live animals by secondary schools either in classroom work or science fairs is a very controversial and often emotional issue. The author emphasizes the dedication to humane treatment of animals while at the same time explaining the process by which rules have been formulated to provide for the appropriate use of live animals. The difference between permission and mandate is clarified for the purpose of explaining the need to provide for the more effective challenge and motivation of the high achiever while still allowing for more modest undertakings by the average student The perils of …
Understanding And Attitudes Derived From The Use Of Animals In Schools, Peter J. Kelly
Understanding And Attitudes Derived From The Use Of Animals In Schools, Peter J. Kelly
Education Collection
A general review of the variety of activities involving the direct use of animals which are undertaken in secondary schools. An assessment is made of their value (positive and negative) in terms of knowledge and attitudes (including ethics) which are, or might be, derived from them. Alternative methods also are reviewed with an assessment of their value in relation to live animal studies.
The Ursinus Weekly, February 22, 1973, Charles Chambers, Joseph Van Wyk, Judith James, Gary Griffith, John T. Fidler, Nancy Frye, Mark M. Borish, Elsie Van Wagoner, Peter Seigl, Richard Whaley, Nesan Kadirgamar, Robert Vietri, Marilyn Harsch, Ruthann Connell, Robert A. Searles
The Ursinus Weekly, February 22, 1973, Charles Chambers, Joseph Van Wyk, Judith James, Gary Griffith, John T. Fidler, Nancy Frye, Mark M. Borish, Elsie Van Wagoner, Peter Seigl, Richard Whaley, Nesan Kadirgamar, Robert Vietri, Marilyn Harsch, Ruthann Connell, Robert A. Searles
Ursinus Weekly Newspaper, 1902-1978
USGA finally elects 1973-4 officers • Ursinus College Union opens quietly but successfully • S.F.A.R.C. discusses computer use, transcript cost, HH use, & Olevian stove • Tuition increase slated by Ursinus Board • Editorial: The Prisoners return; Looking back • Faculty portrait: Dr. John Wickersham • Afloat in the celluloid sea: The Getaway • Music review: Eric nemeyer's 19 piece jazz band makes debut • ProTheatre plans several productions and a workshop for Spring semester • Wismer's Mother Hubbard left with bare cupboard • 18 year old drinking age to be decided by courts • Letter to the editor: Praise …
G73-30 The Alfalfa Weevil (Revised May 1989), Stephen D. Danielson, David L. Keith, George Manglitz
G73-30 The Alfalfa Weevil (Revised May 1989), Stephen D. Danielson, David L. Keith, George Manglitz
University of Nebraska-Lincoln Extension: Historical Materials
The alfalfa weevil is the primary insect pest of alfalfa in Nebraska. Management is essential during years when weevil infestations are high.
Damage from the alfalfa weevil can be severe. The life cycle of this pest and methods of managing it are discussed in this publication.
Integrating Selected Principles Of Evolution Into The High School Curriculum, Judy Kareen Lyons
Integrating Selected Principles Of Evolution Into The High School Curriculum, Judy Kareen Lyons
Graduate Student Research Papers
The purposes of this paper will be (1) to present selected biological principles pertaining to evolution, (2) to indicate curricular areas in the high school into which general aspects of evolution might be integrated, and (3) to denote specific phases of biology especially suited for teaching particular principles.
Effects Of The Cle Elum Reservoir On The Ephemeroptera (Mayflies) Of The Cle Elum River, David Bruce Ainsworth
Effects Of The Cle Elum Reservoir On The Ephemeroptera (Mayflies) Of The Cle Elum River, David Bruce Ainsworth
All Master's Theses
The purpose of this study was to determine the physical and chemical effects of the Cle Elum Reservoir on the Cle Elum River and to evaluate these effects in respect to the Ephemeroptera of the Cle Elum River. Specific objectives were: (1) To determine the effects of the reservoir on current velocity, volume of flow, turbidity, and temperature. (2) To determine the effects of the reservoir on alkalinity, hardness, dissolved oxygen, and pH. (3) To evaluate the effects of the reservoir on the Ephemeroptera of the Cle Elum River.
Taylor University Magazine (Summer 1970), Taylor University
Taylor University Magazine (Summer 1970), Taylor University
The Taylor Magazine (1963-Present)
The Summer 1970 edition of Taylor Magazine, published by Taylor University in Upland, Indiana.