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Life Sciences

2009

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Articles 91 - 114 of 114

Full-Text Articles in Education

Honors Convocation Speech (Text And Audio), Jonathan Dey Jan 2009

Honors Convocation Speech (Text And Audio), Jonathan Dey

Honorees for Teaching Excellence

No abstract provided.


Making Ethical Sense Of Useless Suffering With Levinas, Jules Simon Jan 2009

Making Ethical Sense Of Useless Suffering With Levinas, Jules Simon

Jules Simon

No abstract provided.


Utah 4-H Stadium Jumping, Rebecca Lewis, Patricia Evans Jan 2009

Utah 4-H Stadium Jumping, Rebecca Lewis, Patricia Evans

All Current Publications

This publication outlines details of stadium jumping courses for horses.


Farming Systems Education: Case Study Of Swedish Test Pilots, Lennart Salomonsson, Anna Nilsson, Sofia Palmer, Adam Roigart, Charles A. Francis Jan 2009

Farming Systems Education: Case Study Of Swedish Test Pilots, Lennart Salomonsson, Anna Nilsson, Sofia Palmer, Adam Roigart, Charles A. Francis

Department of Agronomy and Horticulture: Faculty Publications

We describe and analyze a pedagogical experiment that introduced a broad and holistic perspective on complete farming systems, systemic learning tools, and a participatory learning strategy at an early stage in agronomy education. The paper describes the adventure of three students, who came from a conventional agronomy program at the Swedish University of Agricultural Sciences (SLU), who were frustrated with the lack of integrated approaches to the study of agricultural systems and a strong focus on molecular-level processes in their first year of education. They encountered a narrow focus in most courses and the overall curricula of agricultural education that …


Ec09-130 2009 Guide For Weed Management, Mark L. Bernards, Roch E. Gaussoin, Robert N. Klein, Stevan Z. Knezevic, Drew J. Lyon, Lowell D. Sandell, Robert G. Wilson Jr., Patrick J. Shea, Clyde Ogg Jan 2009

Ec09-130 2009 Guide For Weed Management, Mark L. Bernards, Roch E. Gaussoin, Robert N. Klein, Stevan Z. Knezevic, Drew J. Lyon, Lowell D. Sandell, Robert G. Wilson Jr., Patrick J. Shea, Clyde Ogg

University of Nebraska-Lincoln Extension: Historical Materials

The 2009 Guide for Weed Management in Nebraska is a valuable tool for anyone with responsibility for controlling weeds in crop, pasture, range, turf or aquatic environments in Nebraska. Our goal is to provide a comprehensive publication that will enable the user to make sound weed control decisions based on unbiased, research-based information, and to carry out weed control activities in a safe and responsible manner.

This publication deals principally with herbicides as an aid for crop production. The suggestions for use are based on research at the University of Nebraska–Lincoln Research and Extension Centers and elsewhere.


Acceptance Of Evolution Increases With Student Academic Level: A Comparison Between A Secular And A Religious College, Guillermo Paz-Y-Mino C., Avelina Espinosa Jan 2009

Acceptance Of Evolution Increases With Student Academic Level: A Comparison Between A Secular And A Religious College, Guillermo Paz-Y-Mino C., Avelina Espinosa

Arts & Sciences Faculty Publications

Acceptance of evolution among the general public, high schools, teachers, and scientists has been documented in the USA; little is known about college students’ views on evolution; this population is relevant since it transits from a high-school/parent-protective environment to an independent role in societal decisions. Here we compare perspectives about evolution, creationism, and intelligent design (ID) between a secular (S) and a religious (R) college in the Northeastern USA. Interinstitutional comparisons showed that 64% (mean S + R) biology majors vs. 42/62% (S/R) nonmajors supported the exclusive teaching of evolution in science classes; 24/29% (S/R) biology majors vs. 26/38% (S/R) …


Participation And Determinants Of Physical Activity Amongst Irish 3rd Level Students., Jonathan Lerner Jan 2009

Participation And Determinants Of Physical Activity Amongst Irish 3rd Level Students., Jonathan Lerner

Theses

Currently, there is a dearth of research investigating physical activity patterns among Irish third level young adults (17-22 year olds). Both national and international research report that levels of physical activity decline in adolescence, this trend being most pronounced among females. Various biological, psychological, social, and environmental determinants have been found to influence physical activity; however, specific factors associated with the decline in activity during adolescence remain largely unknown. This research study examines participation and determinants of physical activity among Irish third level students.

A “National questionnaire” was administered to a sample of 532 students from Health Education Authority (HEA) …


Discovery: The Student Journal Of Dale Bumpers College Of Agricultural, Food And Life Sciences - Volume 10 2009, Several Authors Jan 2009

Discovery: The Student Journal Of Dale Bumpers College Of Agricultural, Food And Life Sciences - Volume 10 2009, Several Authors

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

No abstract provided.


Contents, Discovery Editors Jan 2009

Contents, Discovery Editors

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

No abstract provided.


Letter From The Dean, Lalit Verma Jan 2009

Letter From The Dean, Lalit Verma

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

No abstract provided.


Cover Jan 2009

Cover

Journal of the Iowa Academy of Science: JIAS

No abstract provided.


Front Matter Jan 2009

Front Matter

Journal of the Iowa Academy of Science: JIAS

No abstract provided.


Gully And Stream Bank Erosion In Three Pastures With Different Management In Southeast Iowa, George N. Zaimes, Richard C. Schultz, Mustafa Tufekcioglu Jan 2009

Gully And Stream Bank Erosion In Three Pastures With Different Management In Southeast Iowa, George N. Zaimes, Richard C. Schultz, Mustafa Tufekcioglu

Journal of the Iowa Academy of Science: JIAS

Gully and stream banks can be major sources of sediment and nutrients to surface waters, both major water quality problems in the United States. Sediment may also carry phosphorus to surface waters, the primary limiting nutrient causing eutrophication. Overgrazing can induce gully and stream bank erosion by reducing vegetation cover that weakens bank soil resistance to stream water flow. This study examines stream and gully bank erosion adjacent to continuous (CP), rotational (RP) and intensive rotational (IP) pastures, grazed by beef cattle in southeast Iowa. Stream and gully bank erosion were measured by: a) surveying the extent of the severely …


Dr. Lois Hattery Tiffany (1924-2009): In Memoriam, Deborah Q. Lewis Jan 2009

Dr. Lois Hattery Tiffany (1924-2009): In Memoriam, Deborah Q. Lewis

Journal of the Iowa Academy of Science: JIAS

Dr. Lois Hartery Tiffany, Distinguished Professor Emerita, Department of Ecology, Evolution and Organismal Biology, Iowa State University, Ames, Iowa, died on 6 September 2009. Dr. Tiffany was an outstanding mycologist and teacher. Held in high regard by the public as "Iowa's Mushroom Lady" and known by many students, colleagues and friends as "Dr. T.," she was the matriarch of the Botany Department (now the Department of Ecology, Evolution and Organismal Biology) at Iowa State.


Editorial Board & Iowa Academy Of Science Officers And Directors Jan 2009

Editorial Board & Iowa Academy Of Science Officers And Directors

Journal of the Iowa Academy of Science: JIAS

No abstract provided.


Som Loss And Soil Quality In The Clear Creek, Ia, A. N. Thanos Papanicolaou, Christopher G. Wilson, Ozan Abaci, Mohamed Elhakeem, Mary Skopec Jan 2009

Som Loss And Soil Quality In The Clear Creek, Ia, A. N. Thanos Papanicolaou, Christopher G. Wilson, Ozan Abaci, Mohamed Elhakeem, Mary Skopec

Journal of the Iowa Academy of Science: JIAS

The Clear Creek, IA Experimental Watershed (CCEW), which drains to the Iowa River, experiences severe surface erosion due to a combination of high slopes, erodible soils, and extensive agriculture. Concurrent with soil loss is the removal of Soil Organic Matter (SOM). High values of SOM have been related to soil quality; therefore, excessive SOM loss corresponds to degrading soil health. Soil quality assessments are important tools for evaluating management practices in agricultural systems; however, it is difficult to measure soil quality directly at the watershed scale because it varies with a number of site-specific soil characteristics. The coupling of soil …


Aryl Ethers From Arenediazonium Tetrafluoroborate Salts: From Neat Reactions To Solvent-Mediated Effects, James A. Shriver, Daniel P. Flaherty, Cameron C. Herr Jan 2009

Aryl Ethers From Arenediazonium Tetrafluoroborate Salts: From Neat Reactions To Solvent-Mediated Effects, James A. Shriver, Daniel P. Flaherty, Cameron C. Herr

Journal of the Iowa Academy of Science: JIAS

A general procedure for the synthesis of various aryl ethers via the thermal decomposition of benzenediazonium tetrafluoroborate salts is described. Studies performed in neat alcohol at 60°C gave aryl ethers in yields ranging from 0-73%. Upon completion of a series of reactions, the effect of solvent was explored to expand the scope and relevance of this procedure. It was found that even solvents that are traditionally non-nucleophilic gave rise to products including bi-aryls and N-aryl acetamides. The utilization of an ionic liquid, l-butyl-4-methylpyridinium tetrafluoroborate, resulted in yields comparable to reactions performed in neat alcoholic solvents.


Table Of Contents (Back Cover) Jan 2009

Table Of Contents (Back Cover)

Journal of the Iowa Academy of Science: JIAS

No abstract provided.


The Freshwater Mussels (Mollusca: Bivalvia: Unionidae) Of The Channelized Missouri River, Ellet Hoke Jan 2009

The Freshwater Mussels (Mollusca: Bivalvia: Unionidae) Of The Channelized Missouri River, Ellet Hoke

Journal of the Iowa Academy of Science: JIAS

The lower Missouri River has historically been viewed as a fauna! barrier for unionids due to high sediment load. However this survey of the lower (channelized) Missouri River documented the presence of 14 unionid species and the exotic Corbicula fluminea (Muller, 1774). Unionids are present in stable substrates sheltered from the effects of the river's strong currents. Analysis of early literature on the Missouri River suggests reports of an absence of unionids were not based upon thorough fieldwork, and the most commonly cited rationale for their reported absence, the high sediment load in the river, is not convincing. Pre-1938 unionid …


Ua94/6/1 Student / Alumni Personal Papers Western Kentucky University Small Collections, Wku Archives Jan 2009

Ua94/6/1 Student / Alumni Personal Papers Western Kentucky University Small Collections, Wku Archives

WKU Archives Collection Inventories

Small collections of personal papers and oral histories relating to the Western Kentucky University.


Enhancing Iowa High School Students' Transition To College, K. E. Lassila, L. C. Rule, C. Lee, R. J. Driggs, G. Fulton, M. Skarda, J. Torres Y Torres Jan 2009

Enhancing Iowa High School Students' Transition To College, K. E. Lassila, L. C. Rule, C. Lee, R. J. Driggs, G. Fulton, M. Skarda, J. Torres Y Torres

Journal of the Iowa Academy of Science: JIAS

We present our studies of the transitions of Iowa science students from high school to post-secondary colleges. Our report summarizes information and impressions from dealing with thousands of new students arriving at our six colleges, along with meetings and discussions with high school science teachers to add their viewpoints into our considerations. Feedback from community college, four year college, and high school science teachers highlighted the following five study issues and needs for improving student transitions from high school to college science: 1) Better math preparation is needed; 2) More work with inquiry-based learning rather than with facts and memorization …


The Dandy Scroll, Winter 2009, University Of Maine Pulp And Paper Foundation Jan 2009

The Dandy Scroll, Winter 2009, University Of Maine Pulp And Paper Foundation

General University of Maine Publications

The Winter 2009 issue of The Dandy Scroll newsletter produced by the University of Maine Pulp and Paper Foundation.


Dispersion Of Large-Seeded Tree Species By Two Forest Primates: Primate Seed Handling, Microhabitat Variability, And Post-Dispersal Seed Fate, Nicole D. Gross-Camp Jan 2009

Dispersion Of Large-Seeded Tree Species By Two Forest Primates: Primate Seed Handling, Microhabitat Variability, And Post-Dispersal Seed Fate, Nicole D. Gross-Camp

Antioch University Full-Text Dissertations & Theses

I describe the relative effectiveness of two primates in dispersing large-seeded tree seeds (> 0.5 cm) in the Nyungwe National Park (NNP), Rwanda. My objectives are three-fold: (1) to describe the relative effectiveness of primates in dispersing the seeds of five large-seeded tree species, (2) to evaluate the influence of primate seed-handling method on seed fate, and (3) to determine the influence of deposition site on seed fate. I employed focal tree observations, day-follows of habituated primate groups, in situ monitoring of primate-dispersed seeds, and experimental plots to achieve these objectives. Data were collected over the course of one year …


Controlled Language - Does My Company Need It?, Uwe Muegge Dec 2008

Controlled Language - Does My Company Need It?, Uwe Muegge

Uwe Muegge

Controlled languages use basic writing rules to simplify sentence structure. Here is how they work and how your company can benefit from introducing a controlled language.