Social and Behavioral Sciences Commons^™

Cover - Table Of Contents

Journal of the Iowa Academy of Science: JIAS

No abstract provided.

Letter To The Editor - Conservation Of Freshwater Mussels In Iowa, K. Elizabeth Poole

Journal of the Iowa Academy of Science: JIAS

Freshwater mussels occur in a variety of aquatic ecosystems worldwide but nowhere is mussel species richness as high as is reported in North America. With nearly 300 recorded species in the U.S., mussels are key components of freshwater biodiversity playing a vital role in benthic communities. Ecologically important in biological processing and nutrient cycling, mussels are also an important food item for a variety of mammals including mink, otter, and raccoon. In addition to ecological importance, freshwater mussels have been economically important in the production of cultured pearls.

Discordant Harmonies In Fingernail Clam Populations (Musculium Transversum) Of Mississippi River Backwater Lakes, Jim Eckblad

Journal of the Iowa Academy of Science: JIAS

The populations of Musculium transversum from 8 backwater lakes have been studied over a 29-year period based upon over 440 grab samples. These lakes in Navigation Pool 9 of the Upper Mississippi River (UMR) range in size from 2 to 255 hectare surface area, mean depths from 0.2 to 0.9 meters, with mean water exchange times from 0.5 to almost 57 hours. Samples from the 1989-91 period suggested summer Muscu!ium populations had declined to about 9 percent of their mid-1970 levels. Deterministic models have attempted to explain this decline. More recent sampling suggests a substantial recovery of Musculium populations (mid-summer …

Index For The Journal Of The Iowa Academy Of Science Volume 112

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.

Iowa's Sand Prairie State Preserves: Anomalous Grain-Size Distributions And Optically Stimulated Luminescence (Osl) Dates, Steven H. Emerman, Brian R. Depew, Lisa K. Anderson

Journal of the Iowa Academy of Science: JIAS

Grain-size distributions and optically stimulated luminescence (OSL) dates were obtained for the sand from Iowa's five sand prairie state preserves, which are Behren's Ponds and Woodland, Cedar Hills Sand Prairie, Kish-Ke-Kosh Prairie, Marietta Sand Prairie and Rock Island. OSL dates ranged from the late Pleistocene (15,560 years B.P.) to the very late Holocene (as recent as 590 years B.P.), indicating that the late Pleistocene and Holocene Epochs in Iowa have seen multiple episodes of aridity, which is consistent with results from the Nebraska Sand Hills and eolian sand stringers in southeastern Minnesota. The grain-size distributions were anomalous in that, compared …

Threatened By Industry, Saved By Science: Mussel Propagation At The Fairport Biological Laboratory, James Pritchard

Journal of the Iowa Academy of Science: JIAS

During the 1890s, people on the Mississippi River exploited mussel populations to support a thriving button industry. Within a brief time, they noticed significant declines in mussel populations, and called on the U.S. Bureau of Fisheries to save the resource. This paper discusses mussel propagation studies, techniques, and activities carried on in association with the Fairport Biological Laboratory (Iowa) from about 1908 to 1932. While scientists developed sophisticated techniques and had success in mussel propagation, changing habitat conditions in the river (caused mainly by pollution and dam construction) meant limited success in rescuing mussel stocks, while the introduction of plastic …

Aspects Of An Interior Stream Clam Midden From 1915 At Quasqueton, Buchanan County Iowa, Dennis W. Schlicht

Journal of the Iowa Academy of Science: JIAS

During clam surveys on the Wapsipinicon River in 1991 buried clams were observed in a bank of the river at Quasqueton, Buchanan County, Iowa. An interview with the landowner revealed that the clams were from a 1915 local clamming operation. Excavation and examination of many of the clams reveal interesting differences in species composition and size, when compared to more recent specimens from the river. Observations on the midden were recorded, species determinations were made and measurements were taken. Comparisons are made to two other modern surface surveys on the river. Differences were observed in both species composition and shell …

The Unionid Mussels (Mollusca: Bivalvia: Unionidae) Of Missouri River Floodplain Ditches In Fremont County Southwestern Iowa And Atchison And Holt Counties Northwestern Missouri, Ellet Hoke

Journal of the Iowa Academy of Science: JIAS

A survey of ditches in the Missouri River floodplain in southwestern Iowa and northwestern Missouri resulted in the recovery of nine unionid mollusk species. The floodplain ditches may provide valuable habitat for mussels in a region that has suffered a tremendous decrease in productive aquatic habitats over the past sixty-eight years. Additional survey activity is needed to determine the complete inventory of unionid mollusks in the area.

The Journal Of Undergraduate Research: Volume 03

The Journal of Undergraduate Research

This is the complete issue of the South Dakota State University Journal of Undergraduate Research, Volume 3.

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.

Editor's Page, Scott Titsworth

Basic Communication Course Annual

Volume 17 of the Basic Communication Course Annual offers a great deal of insight on the varied dimensions of basic course pedagogy which, at the end of the day, allows the basic course to embody the ideals of our discipline. The complexity of communication is best illustrated in Turman’s article exploring the use of technology in the basic course. As Paul explains, students’ perceptions of teacher immediacy and affect are influenced not only by gender, but also by the use of technology. Paul’s findings show us that the classroom communication environment must not be characterized with a “one approach …

Contents And Abstracts

Basic Communication Course Annual

No abstract provided.

Synthesizing The First 15 Years Of The Basic Communication Course Annual: What Research Tells Us About Effective Pedagogy, Stephen K. Hunt, David R. Novak, Julie L. Semlak, Kevin R. Meyer

Basic Communication Course Annual

Despite the popularity of the both the basic course in communication and the Basic Communication Course Annual, questions still remain about the empirical support for the ways in which we teach the basic course. This essay categorizes and synthesizes 61 empirical studies published from 1989 to 2004 in the Basic Communication Course Annual. The studies are classified into five categories: teaching strategies, teacher and student characteristics, status of the basic course, analyses of texts for the basic course, and assessment of the basic course. Several salient themes are developed and suggestions for future research are advanced.

Problematic Student Behaviors In The College Communication Classroom: Reviewing And Re-Envisioning Instructional Communication Research, Javette G. Hayes

Basic Communication Course Annual

Climate concerns in basic communication courses often revolve around classroom management issues. Teachers may experience reality shock in the face of complex and challenging classroom situations. This essay offers new and experienced teachers a detailed review, interpretation, and critique of literature on student conduct that may contribute to the “harsh and rude reality of everyday classroom life.” After consideration of research on specific areas of problem student behavior (i.e., participation; hostility, opposition, and aggression; power and resistance; challenge behavior; cheating; and excuse making), attention shifts to the topics of prevention, recommendations, mutual influence, and confrontation. The essay concludes with two …

Preparing To Participate: An Exploration Of Student Engagement Through Student Work And Instructors’ Observations, Allison N. Rattenborg, Cheri J. Simonds, Stephen K. Hunt

Basic Communication Course Annual

The present study investigates two instructional strategies that promote student preparation for and participation in class: reading objectives and participation sheets. In the first study, students were asked to complete the reading objectives (knowledge level questions about the assigned reading) and write the extended comments. Extended comments move beyond the knowledge level by demonstrating comprehension, application, or evaluation of the content.

These include personal examples, insights, or questions about the course material. A content analysis of the students’ ex-tended comments found evidence of student engagement as 76.3% of the comments moved beyond the “knowledge” level. Study 2 examined instructors’ perceptions …

A Study Exploring The Impact Of Two Instructional Paradigms On State And Trait Communication Apprehension, Amy Rachelle Wolfsen

Basic Communication Course Annual

For decades the communication field has been interested in communication apprehension (CA). However, little attention has been given to developing a link between communication apprehension and instructional strategies. To test this notion, undergraduate students at a medium sized western university were exposed to experimental classrooms involving two instructional methodologies and then asked to complete state and trait CA measures. The study employed a 2x2x2 factorial design with the first factor being the instructors, the second factor being the teaching style and the third factor being the lesson plans. These data were analyzed using MANOVA and Duncan's Multiple Range tests. While …

Implementing Technology Into The Basic Course: The Influence Of Sex And Instructional Technology Use On Teacher Immediacy And Student Affective Learning, Paul D. Turman

Basic Communication Course Annual

This study explored the impact that instructional technology use and instructor gender have on students’ perceptions of immediacy and affective learning in the basic communication course. Participants included 1526 undergraduate students from 72 sections of the basic course over the course of four semesters. A series of 2 X 2 factorial designs were used to uncover main and interaction effects. Results of the Multivariate analyses revealed a two-way interaction effect of technology use by instructor gender with the use of presentational software, and main effects for each form of technology (i.e., presentational software, video material, course webpages, course chatrooms, online …

Author Identification

Basic Communication Course Annual

No abstract provided.

Index Of Titles, Volumes 1-16; Index Of Authors, Volumes 1-16

Basic Communication Course Annual

No abstract provided.

Submission Guidelines

Basic Communication Course Annual

No abstract provided.