Science and Mathematics Education Commons^™

The Effects Of The Summer Forest Fires On Yellowstone National Park, Jack De Golia

Iowa Science Teachers Journal

Throughout the summer, the nation watched as fires swept through Yellowstone National Park. Media coverage made people from all parts of the United States aware of the change that was taking place in Wyoming. Concerns ranged from the effect of the fires on the park, its attractions (such as the geysers) and the animals to worries of what the smoke being released by the burning trees would do to the atmosphere.

Science Notes - Carl W. Bollwinkel And Joe R. Moore Receive Iowa Science Teachers Awards

Iowa Science Teachers Journal

Carl W. Bollwinkel and Joe R. Moore were recently presented with Iowa Science Teachers Section Outstanding Service Awards for 1988.

Errata: Catalogue Of Botany Department Greenhouses

Journal of the Iowa Academy of Science: JIAS

No abstract provided.

Catalogue Of The Living Collection Of The Iowa State University Botany Department Greenhouses, Richard W. Pohl, Deborah Q. Lewis

Journal of the Iowa Academy of Science: JIAS

The Botany Department greenhouses at Iowa State University are a rooftop facility including 17 separate houses, divided into three temperature zones. Some illuminated houses are provided to encourage good plant growth during the winter. One greenhouse is operated as a short-day facility and provided with curtained chambers for short days. Summer cooling of the greenhouses is effected by evaporative coolers.

The living teaching and research collections include over 800 plane taxa, ranging from bryophytes to orchids and composites. Propagation materials, as available, may be provided to other educational institutions for teaching or research.

Front Matter

Journal of the Iowa Academy of Science: JIAS

No abstract provided.

Back Cover

Journal of the Iowa Academy of Science: JIAS

No abstract provided.

Iowa Academy Of Science Directory, 1988-89: Officers, Committees, And Membership Roster, Iowa Academy Of Science

Iowa Academy of Science Documents

Contents:

Board of Directors ... 5
Program Directors ... 6
Editors ... 7
Committees ... 9
Sections ... 24
Award Recipients ... 54
Past Presidents ... 56
Membership Roster ... 57
Constitution and Bylaws ... 70

The Iowa Science Teachers Fall Conference, 1988, Iowa Academy Of Science

Iowa Academy of Science Documents

Contents:

Map ... 3
Keynote Speaker: Jim Fowler ... 4
Sessions ... 5
Application for Membership ... Centerfold
Registration Forms ... Centerfold

Editorial Office & Staff; Officers, Iowa Academy Of Science; Officers & Regional Directors, Iowa Science Teachers Section

Iowa Science Teachers Journal

No abstract provided.

Annual Report Of The Iowa Academy Of Science, 1987-88, James G. Macmillan

Journal of the Iowa Academy of Science: JIAS

Since 1975 when a history of the Iowa Academy of Science was written for the centennial of the founding of the Academy, an Annual Report has acted as a continuing record of the Academy’s activities.

This report encompasses the year beginning July I, 1987 to June 30, 1988 and is based on minutes of committee meetings, Board minutes and recollections of the author. Each part represents a major activity of the Academy.

Preparing Mammal Skulls For Classroom Use, Donald J. Perschau

Iowa Science Teachers Journal

Classroom materials for student use are very expensive to purchase from biological supply houses. In many cases, teachers are left with two choices when it comes to laboratory materials, either find some way to produce their own or do without. Preserved and live specimens fall into this category particularly with respect to the higher vertebrates. While it may be impossible, or at least impractical, to keep a suitable number of birds or mammals, it is possible and may even be preferred to study skins, skeletal and other preserved material. Mammal skulls are easy to collect, prepare and preserve for use …

Revision Of The Iowa Science Teachers Section Guidelines

Iowa Science Teachers Journal

This revision of the Guidelines should be carefully read in preparation for membership action. The membership vote will be taken at the spring meeting on April 21-22 at Buena Vista College in Storm Lake, Iowa.

Science Notes - Physics Posters Available From The American Institute Of Physics, Stephanie A. Althof

Iowa Science Teachers Journal

A set of four color posters illustrating careers in physics and physics topics is currently available from the American Institute of Physics. The set is offered at no cost and includes posters designed to promote physics courses. Two additional posters are now in the process of being printed and should be available later in the year.

Science Notes - 1989 Presidential Awards For Excellence In Science And Mathematics Teaching Program

Iowa Science Teachers Journal

Nominations are currently being accepted for the 1989 Presidential Awards for Excellence in Science and Mathematics Teaching Program. The program is designed to recognize outstanding teachers of science or math who currently spend at least half time in classroom teaching in a public or private middle/junior high or senior high school. A minimum of five years teaching experience in science or math is required for eligibility for the awards.

Science Notes - Corporate Sponsored Scholarships For Minority Undergraduate Students In Physics, Stephanie A. Althof

Iowa Science Teachers Journal

The American Physical Society (APS), in cooperation with several corporate sponsors, has made several $2000 scholarships available to minority undergraduate students studying physics. Any Black, Hispanic or Native American United States citizen who plans to major in physics and who is a high school senior or college freshman or sophomore may apply for the scholarships.

Science Notes - The President's Environmental Youth Awards

Iowa Science Teachers Journal

The President's Environmental Youth Awards program encourages individuals, schools, summer camps and youth organizations to promote local environmental awareness and to channel this awareness into positive community involvement. Projects may involve almost any constructive form of environmental activity, for example, restoring damaged environments, protecting sensitive wetlands or enhancing community interest and involvement in environmental activities

Science Notes - Nature Photography Workshop To Be Held At Springbrook State Park

Iowa Science Teachers Journal

Kindergarten through twelfth grade teachers will once again have the opportunity to improve their nature photography skills during a three-day program Nature Photography Workshop. Sponsored by the University of Northern Iowa (UNI) Division of Continuing Education and the Iowa Department of Natural Resources (DNR), the workshop will be held May 5-7 at the Conservation Education Center at Springbrook State Park.

An Industry Perspective On The Benefits Of And Regulation Of Genetically Engineered Plants, Nicholas M. Frey

Journal of the Iowa Academy of Science: JIAS

The seed industry has routinely incorporated new technology into its research and development programs. Plant generic engineering is the most recent technology to be utilized for seed product development efforts. New sources of herbicide, insect, and disease resistance are being incorporated into crop plants using cellular and molecular biology techniques.

New regulatory guidelines have been developed which require regulatory approval before genetically engineered plants can be reseed in the field and ultimately marketed. The impact of these regulations on product development is unclear. Hopefully a dialogue will develop among industry, government agencies, and the public such that reasonable and appropriate …

Agronomic Performance Of Sorghum Hybrids Produced By Using Different Male-Sterility-Inducing Cytoplasms, A. J. Maves, R. E. Atkins

Journal of the Iowa Academy of Science: JIAS

Experiments were conducted in three environments in Iowa to obtain information on the effects of different cytoplasms on agronomic characters in grain sorghum (Sorghum bicolor L. Moench) hybrids. Compared with A1 cytoplasm, A2 and A3 cytoplasms delayed flowering; reduced the percentage of fertile pollen, the number of seeds per panicle, and grain yield; and increased 100-seed weight of the hybrids. Hybrids with A2 or A3 cytoplasm did not differ (p ≥0.05) from those in the A1 cytoplasm for plant height, panicles per plant, or for length, width, and area of the third and fourth leaves from the top of …

A Vascular Flora Of The Swaledale Railroad Prairie In North Central Iowa, Thomas L. Eddy

Journal of the Iowa Academy of Science: JIAS

"Railroad prairies" are remnant native grasslands that grow along railroad right-of-ways. The Swaledale railroad prairie, which is in north central Iowa, occurs along the Chicago and Northwestern Railroad Company right-of-way in Cerro Gordo County.

The railroad right-of-way and an abandoned sand pit, which lies adjacent to the railroad embankment, harbor a collection of tallgrass prairie remnants. The sand pit supplied earthen fill which was used to elevate the original railroad embankment, circa 1887. It is noteworthy that the method of excavation for fill material helped to preserve earthen knolls that are covered with original tallgrass prairie.

Plant collections were acquired …

A New Name For A Continuing Publication, Marilyn D. Bachmann, Roger W. Bachmann

Journal of the Iowa Academy of Science: JIAS

With this issue, the former Proceedings of the Iowa Academy of Science becomes The Journal of the Iowa Academy of Science, a change which coincides with the l00th annual meeting of the Academy. This concludes a process started in 1971 when the Proceedings became a quarterly periodical which also included papers that had not been presented at the previous annual meeting.

Impact Of Biotechnology On Agriculture Productivity, Roger A. Kleese

Journal of the Iowa Academy of Science: JIAS

Biotechnology is a diverse array of technologies which today are in various stages of evolution and development. To understand them and the potential application of these technologies to agriculture, it is helpful to consider them in a historical perspective. In addition, it is important to understand the interdependence of biotechnologies on traditional, well developed technologies. The commercial development of biotechnology is more difficult than imagined even as recently as five years ago. Also, the problems being addressed generally demand a much better understanding of the physiology and biochemistry of the plant and animal systems under study. Nonetheless, there is a …

Biotechnology: A Dilemma For Land-Grant Institutions, A. David Kline

Journal of the Iowa Academy of Science: JIAS

There is at least a prima facie moral tension between universities asserting land-grant principles and simultaneously sponsoring biotechnology. The core of the problem is the likely deleterious economic effects of biotechnology on rural communities -- the very constituency whose welfare is supposedly promoted by land-grant institutions. Considered are a number of responses to this tension including efforts to show that the tension is only apparent or that it can be eliminated through various public policies. It is argued that these "solutions" fail.

The upshot is that if the land-grant label is to be taken seriously, those institutions should begin allocating …

Editorial Board & Iowa Academy Of Science Officers And Directors

Journal of the Iowa Academy of Science: JIAS

No abstract provided.

Cover - Table Of Contents

Journal of the Iowa Academy of Science: JIAS

No abstract provided.

Evaluation Of Fish Eradication And Game-Fish Restocking In A Central Iowa Pond, Dennis L. Scarnecchia

Journal of the Iowa Academy of Science: JIAS

Changes in fish community and population structure associated with fish eradication and subsequent restocking were investigated in a small (0. 25 ha) impoundment in Boone County, Iowa. In September 1985, when fish were eradicated with rotenone, the fish community consisted of eight species. Large numbers of small bluegills (Lepomis macrochirus), green sunfish (Lepomis ryanellus), and stunted crappies (Pomoxis spp.) dominated the pond numerically, but seven large carp (Cyprinus carpio) and 18 large bigmouth buffalo (lctiobus ryprinellus) constituted 80% of the total biomass. The only quality angling (popular species of desirable size) was for a few largemouth bass (Micropterus salmoides) and …

Solvent Effects In Room Temperature Phosphorescence, Shane J. Helsenbeck, Catherine Haustein

Journal of the Iowa Academy of Science: JIAS

Room temperature phosphorescence (R TP) analysis is a technique in which solutions containing organic phosphors are applied to filter paper and dried in the absence of oxygen. Adsorption to the paper inhibits molecular vibrations and promotes phosphorescence. Although the solvent must be removed by volatilization before phosphorescence can occur, it appears that the nature of the solvent affects the intensity of the resulting phosphorescence. We examined the room temperature phosphorescence of p-aminobenzoic acid which had been dissolved in water, organic solvents, or mixtures of water and organic solvents. It was found that solvent volatility had little correlation with RTP intensity …

Back Cover

Journal of the Iowa Academy of Science: JIAS

No abstract provided.

Using Life History And Ecology As Tools To Manage A Threatened Salamander Species, Scott R. Mcwilliams, Marilyn D. Bachmann

Journal of the Iowa Academy of Science: JIAS

Selected aspects of the life history and ecology of the small-mouthed salamander (Ambystoma texanum Matthes) relevant to the management of this threatened species in Iowa are presented. The population studied utilizes flooded woodland habitat during courtship, breeding and egg laying, and during the entire larval period. Larval foraging strategies in this habitat included ontogenetic but no diel shifts in prey selection. Synchronous, nocturnal breeding migration allowed effective use of drift fences fur capture of adults used in captive breeding, courtship behavior studies, and the estimation of breeding population size. Large numbers of spennatophores, apparently indiscriminate mate choice, and the relatively …

Soil N Availability And Nitrogen Harvest Index Of Oats, N. Md. Kairudin, K. J. Frey

Journal of the Iowa Academy of Science: JIAS

A population of 480 random lines of oats (Avena sativa L.) was grown on soil that received no application of nitrogen (N) or 112 kg of N ha^-1 (defined as low- and high-N environments, respectively) to evaluate the effect of N availability in the soil on the plant's ability to partition N between vegetative tissue and the grain, a ratio defined as nitrogen harvest index. Also, comparisons were made between low and high-N environments for grain yield, straw yield, biological yield, groat protein yield, groat protein percentage, vegetative protein yield, straw protein percentage, total plant protein yield, and harvest …