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Articles 1621 - 1650 of 1946

Full-Text Articles in Science and Mathematics Education

Hexapod Herald - Vol. 1, No. 17, September 14, 1990 Sep 1990

Hexapod Herald - Vol. 1, No. 17, September 14, 1990

Hexapod Herald and Other Entomology Department Newsletters

Miscellaneous

Grants

Deadlines

Graduate students

Calendar of events

Departmental travelers


Hexapod Herald - Vol. 1, No. 16, August 31, 1990 Aug 1990

Hexapod Herald - Vol. 1, No. 16, August 31, 1990

Hexapod Herald and Other Entomology Department Newsletters

Miscellaneous

ESA Newsletter

Attention faculty

Room 214

Grants

Gamma Sigma Delta

Teaching faculty

Graduate students

Calendar of events

Publications

Department travelers


Hexapod Herald - Vol. 1, No. 15, August 8, 1990 Aug 1990

Hexapod Herald - Vol. 1, No. 15, August 8, 1990

Hexapod Herald and Other Entomology Department Newsletters

Miscellaneous

Grants

Alumi news

Department travelers

Publications

Calendar of events

Graduate students

Visitors


Hexapod Herald - Vol. 1, No. 14, July 17, 1990 Jul 1990

Hexapod Herald - Vol. 1, No. 14, July 17, 1990

Hexapod Herald and Other Entomology Department Newsletters

Grants

Awards

Grad students

Miscellaneous

Traveling out of the department

Campus wide expovision

Calendar of events

New projects


Hexapod Herald - Vol. 1, No. 13, July 2, 1990 Jul 1990

Hexapod Herald - Vol. 1, No. 13, July 2, 1990

Hexapod Herald and Other Entomology Department Newsletters

Miscellaneous

New or revised projects

Grants

Graduate students

Entomological Scoiety of America, North Central Branch News

Publications

Traveling out of the department


Hexapod Herald - Vol. 1, No. 12, June 18, 1990 Jun 1990

Hexapod Herald - Vol. 1, No. 12, June 18, 1990

Hexapod Herald and Other Entomology Department Newsletters

Grants

Miscellaneous

Grad students

Traveling out of the department

Committee Reappointments

Publications

Departmental happenings


Hexapod Herald - Vol. 1, No. 11, June 4, 1990 Jun 1990

Hexapod Herald - Vol. 1, No. 11, June 4, 1990

Hexapod Herald and Other Entomology Department Newsletters

Grants

Miscellaneous

Welcome

Answers to May 18 crossword puzzle


Hexapod Herald - Vol. 1, No. 10, May 18, 1990 May 1990

Hexapod Herald - Vol. 1, No. 10, May 18, 1990

Hexapod Herald and Other Entomology Department Newsletters

Miscellaneous

American Express corporate card

Awards

Grants

Calendar of upcoming events

Publications

Traveling out of the department

Crossword puzzle by Hal Ball


Hexapod Herald - Vol. 1, No. 9, May 4, 1990 May 1990

Hexapod Herald - Vol. 1, No. 9, May 4, 1990

Hexapod Herald and Other Entomology Department Newsletters

Miscellaneous

Visiting international scholar, Sr, Jaime Castillo, Universidad Nacional Agraria

Traveling out of the department

A bit of historyCalendar of upcoming events

Grants

Publications


Hexapod Herald - Vol. 1, No. 8, April 20, 1990 Apr 1990

Hexapod Herald - Vol. 1, No. 8, April 20, 1990

Hexapod Herald and Other Entomology Department Newsletters

Miscellaneous

Bruner Club news

Awards

Schedule for upcoming events

Publications

Grants

Traveling out of the department

Crossword puzzle solution

Information needed


The Annual Meeting Of The Iowa Academy Of Science April 20-21, 1990 [Program, 102nd Meeting], Iowa Academy Of Science Apr 1990

The Annual Meeting Of The Iowa Academy Of Science April 20-21, 1990 [Program, 102nd Meeting], Iowa Academy Of Science

Iowa Academy of Science Documents

Contents:

Program Summary --- 5
General Session Speakers --- 9
Awards --- 12
Distinguished Fellow --- 12
Distinguished Service --- 13, 14
Symposia Programs --- 15
Poster Session --- 17
Campus Map --- Centerfold
Section Programs --- 22
Agricultural Sciences --- 22
Anthropology --- 25
Botany --- 26
Cellular & Molecular Biology --- 28
Chemistry, Inorganic --- 30
Chemistry, Organic --- 34
Conservation --- 37
Earth Science Teaching --- 39
Elementary Science Teaching --- 40
Engineering --- 42
Geology --- 47
Linguistics --- 48
Nursing --- 49
Physics --- 50
Physiology --- 53
Psychology --- 54
Science Teaching --- 56 …


Hexapod Herald - Vol. 1, No. 7, April 6, 1990 Apr 1990

Hexapod Herald - Vol. 1, No. 7, April 6, 1990

Hexapod Herald and Other Entomology Department Newsletters

Miscellaneous

Calendar of upcoming events

Grants

Publications

Bruner Club news

Crossword puzzle


Hexapod Herald - Vol. 1, No. 6, March 23, 1990 Mar 1990

Hexapod Herald - Vol. 1, No. 6, March 23, 1990

Hexapod Herald and Other Entomology Department Newsletters

Miscellaneous

Calendar of upcoming events

Grants

Publications

North Central Branch, Entomological Society of America notable events


Entomology Newsletter - Vol. 1, No. 5, March 9, 1990 Mar 1990

Entomology Newsletter - Vol. 1, No. 5, March 9, 1990

Hexapod Herald and Other Entomology Department Newsletters

Miscellaneous

Calendar of upcoming events

Awards

Bruner Club news


Entomology Newsletter - Vol. 1, No. 4, February 23, 1990 Feb 1990

Entomology Newsletter - Vol. 1, No. 4, February 23, 1990

Hexapod Herald and Other Entomology Department Newsletters

Miscellaneous

Grants awarded

Calendar of upcoming events

New exhibitts

new or revised publications

News from the Bruner Club


Entomology Newsletter - Vol. 1, No. 3, February 16, 1990 Feb 1990

Entomology Newsletter - Vol. 1, No. 3, February 16, 1990

Hexapod Herald and Other Entomology Department Newsletters

Miscellaneous

Seminars/conferences

Publications


Entomology Newsletter - Vol. 1, No. 2, February 9, 1990 Feb 1990

Entomology Newsletter - Vol. 1, No. 2, February 9, 1990

Hexapod Herald and Other Entomology Department Newsletters

Miscellaneous

Awards

Graduate students

Calendar of upcoming events

Publications


Entomology Newsletter - Vol. 1, No. 1, February 2, 1990 Feb 1990

Entomology Newsletter - Vol. 1, No. 1, February 2, 1990

Hexapod Herald and Other Entomology Department Newsletters

Miscellaneous

Graduate students

Seminars

Grants

Awards

Publications


Atmospheric Response To 1988 Drought Conditions And Future Climate Implications, Michael D. Mccorcle Jan 1990

Atmospheric Response To 1988 Drought Conditions And Future Climate Implications, Michael D. Mccorcle

Journal of the Iowa Academy of Science: JIAS

Plentiful precipitation in the central United States is one of the basic components of the successful agricultural industry in the Corn Belt. A combination of moisture, wind, and topographic factors creates an ideal condition for rainfall over most of the region during the late spring and early summer. In 1988, many ingredients necessary for wet weather were absent. The region experienced a drought unequalled since the 1930's. The drought of 1988 demonstrated chat the symptom of drought, namely, dry soils, can exacerbate and even perpetuate drought conditions by decreasing available moisture, altering circulation patterns vital to storm development, and increasing …


Bibliography Of The Natural And Cultural History Of The Loess Hills Of Iowa, Dean M. Roosa, Darwin D. Koenig Jan 1990

Bibliography Of The Natural And Cultural History Of The Loess Hills Of Iowa, Dean M. Roosa, Darwin D. Koenig

Journal of the Iowa Academy of Science: JIAS

A bibliography of literature on Iowa's Loess Hills includes references containing information on the cultural or natural history of chis western Iowa landform region. The bibliography is divided into six parts: general, archaeological, botanical, geological, historical, and zoological. Annotations are included only where necessary to clarify contents. Because of their rugged topography, the Loess Hills of western Iowa have resisted large-scale conversion to agriculture. This has permitted noteworthy persistence of native prairies and woodlands, along with their associated species. This bibliography complements two special issues of the Proceedings of the Iowa Academy of Science devoted to Iowa's Loess Hills.


Book Review: Fragile Giants: A Natural History Of The Loess Hills, Kenneth D. Carlander Jan 1990

Book Review: Fragile Giants: A Natural History Of The Loess Hills, Kenneth D. Carlander

Journal of the Iowa Academy of Science: JIAS

The Loess Hills, which are a special feature of the eastern bank of the Missouri River in Iowa and northern Missouri, have been cited by Dean Roosa, Iowa's State Ecologist, as a "world treasure and ... our best-kept secret." These Hills are mounds of finely ground soil, "glacial flour," deposited by dust storms after the glaciers receded 31 to 12 thousand years ago. Loess is rather widely distributed in Iowa, but the extensive deposits (often over 200 feet deep) on and against the eastern wall of the valley left a rolling, wave-like, terrain which on erosion leaves vertical banks of …


Population Estimates And Geographic Distribution Of The Yellow Mud Turtle (Kinosternon Flavescens) In Iowa, James L. Christiansen, Benny J. Gallaway, John W. Bickham Jan 1990

Population Estimates And Geographic Distribution Of The Yellow Mud Turtle (Kinosternon Flavescens) In Iowa, James L. Christiansen, Benny J. Gallaway, John W. Bickham

Journal of the Iowa Academy of Science: JIAS

The yellow mud turtle (Kinosternon flavescens) is an endangered species in Iowa known from six localities in the stare. The only large population is located on a private preserve on Big Sand Mound in Muscatine and Louisa Countries and is estimated to consist of 2,000 to 3,000 individuals. Following the removal of predators in 1979, density estimates have tripled as estimated by the Sequential Bayes Algorithm of mark-recapture data. Assuming the Big Sand Mound population was nor severely damaged by the drought of 1988, it is judged sufficiently large to serve as a source to enrich certain of Iowa's other …


Special Issue Photo: Richard V. Bovbjerg, Director Of The Iowa Lakeside Laboratory 1963-1989 Jan 1990

Special Issue Photo: Richard V. Bovbjerg, Director Of The Iowa Lakeside Laboratory 1963-1989

Journal of the Iowa Academy of Science: JIAS

No abstract provided.


The Cladocera Of Lake West Okoboji, Iowa - Revisited, Kenneth L. Lang Jan 1990

The Cladocera Of Lake West Okoboji, Iowa - Revisited, Kenneth L. Lang

Journal of the Iowa Academy of Science: JIAS

Seven stations, established in 1968 to sample Cladocera, were sampled again, using the same methods, in 1988. Seven species, all of them in low abundance, are new records for Lake West Okoboji. In 1988, there was little difference 1) in the ranking of the stations relative to abundance of cladocerans, 2) the distribution and abundance of the species by habitat-type, 3) the seasonality of the predominant species in the specific habitats, 4) the temporal patterns of the number of species and total cladoceran abundance in the specific habitats, compared to 1968. On the average there were more species but lower …


Eighty Years Of Research At Iowa Lakeside Laboratory: A Bibliography, Debby Zieglowsky Baker Jan 1990

Eighty Years Of Research At Iowa Lakeside Laboratory: A Bibliography, Debby Zieglowsky Baker

Journal of the Iowa Academy of Science: JIAS

Over 400 scientific reports and theses have resulted from work conducted at Iowa Lakeside Laboratory since it was founded in 1909. This bibliography updates Ulmer's 1962 bibliography and gathers some of the hundreds of theses written by students at the Lab.


Front Matter Jan 1990

Front Matter

Journal of the Iowa Academy of Science: JIAS

No abstract provided.


Estuarine Studies : An Activities Text For Maine Schools, Education Division - Department Of Marine Resources Jan 1990

Estuarine Studies : An Activities Text For Maine Schools, Education Division - Department Of Marine Resources

Maine Collection

Estuarine Studies : An Activities Text for Maine Schools

Fisheries Education Unit #16 - Produced by The Education Division, Department of Marine Resources, State House Station 21, Augusta, Maine 04333-0021.

Revised 1990. Printed Under Appropriation No. 3140.3260.



The Iowa Science Teachers Fall Conference, 1990, Iowa Academy Of Science Jan 1990

The Iowa Science Teachers Fall Conference, 1990, Iowa Academy Of Science

Iowa Academy of Science Documents

Contents:

Map ... 3
Speakers ... 5
Session I ... 8
Session II ... 8
Session III ... 11
Application for Membership ... Centerfold
Registration Forms ... Centerfold
Luncheon Information ... 23
Session IV ... 23
Session V ... 26


Anatomical Characterization Of Western Corn Rootworm Damage In Adventitious Roots Of Maize, Walter E. Riedell, Alice Y. Kim Jan 1990

Anatomical Characterization Of Western Corn Rootworm Damage In Adventitious Roots Of Maize, Walter E. Riedell, Alice Y. Kim

Journal of the Iowa Academy of Science: JIAS

Corn rootworms are one of the most economically damaging insect pests of maize, yet little is known about the feeding behavior of the larvae. This study was conducted to determine which tissues of the adventitious roots of maize are damaged by western corn rootworm (Diabrotica virgifera virgifera LeConte) larval feeding. Root axes (10 cm long) were removed from the fifth node of greenhouse-grown maize plants. Root segments 2 cm long, excised 4 or 6 cm from the root tip, were infested with second or third stage larvae, respectively, (0, 1, 3, or 6 larvae per segment) for a period of …


Cover - Table Of Contents Jan 1990

Cover - Table Of Contents

Journal of the Iowa Academy of Science: JIAS

No abstract provided.