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Life Sciences

1991

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Articles 31 - 60 of 108

Full-Text Articles in Social and Behavioral Sciences

Saving The Dolphins May 1991

Saving The Dolphins

Close Up Reports

Victories and a new threat


An Assessment Of Behavior Associated With Reproduction And Infant Caretaking In A Captive Family Group Of Saguinus Midas Midas, Melissa Elizabeth Martenson Apr 1991

An Assessment Of Behavior Associated With Reproduction And Infant Caretaking In A Captive Family Group Of Saguinus Midas Midas, Melissa Elizabeth Martenson

Dissertations and Theses

The present study gathered both general and specific information about the behavior of a captive family group of Saguinus midas midas [red-handed tamarins] housed at the Washington Park Zoo, Portland, Oregon, USA. Saquinus midas midas is a rarely studied species, and detailed information about the behavior of this species is virtually nonexistent. For this reason, this study collected information about both activity budgets and social grouping within this family group.

The primary focus of this study was, however, the socialization of captive juvenile tamarins with respect to several behaviors relevant to reproductive success among the Callitrichidae. The behaviors assessed were: …


On Serializability Of Multidatabase Transactions Through Forced Local Conflict, Dimitrios Georgakopoulos, Marek Rusinkiewicz, Amit P. Sheth Apr 1991

On Serializability Of Multidatabase Transactions Through Forced Local Conflict, Dimitrios Georgakopoulos, Marek Rusinkiewicz, Amit P. Sheth

Kno.e.sis Publications

The main difficulty in enforcing global serializability in a multidatabase environment lies in resolving indirect transitive conflicts between multidatabase transactions. Indirect conflicts introduced by local transactions are difficult to resolve because the behavior or even the existence of local transactions is not known to the multidatabase system. To overcome these problems, we propose to incorporate additional data manipulation operations in the subtransactions of each multidatabase transaction. We show that if these operations create direct conflicts between subtransactions at each participating local database system, indirect conflicts can be resolved even if the multidatabase system is not aware of their existence. Based …


Effects Of Phenobarbital In Combination With Phenytoin Or Valproic Acid On The Delayed-Matching-To-Sample Performance Of Pigeons, Catherine Ann Karas Apr 1991

Effects Of Phenobarbital In Combination With Phenytoin Or Valproic Acid On The Delayed-Matching-To-Sample Performance Of Pigeons, Catherine Ann Karas

Masters Theses

The present study examined the effects of phenobarbital (S, 10,20, and 40 mg/kg), phenytoin (2.5, 5, 7.5, and 15 mg/kg), and valproic acid (40, 60, 80, and 120 mg/kg), and those of phenobarbital (10 and 20 mg/kg) in combination with phenytoin (2.5,5, and 7.5 mg/kg) or valproic acid (40, 60, and 80 mg/kg), on the delayed-matching-to-sample performance of pigeons. In general, high doses of each individual drug reduced accuracy. Drug combinations also reduced accuracy relative to control values. Reductions in accuracy produced by drug combinations were very similar in magnitude to those predicted by a response-addition model of drug interaction.


The Gamut: A Journal Of Ideas And Information, No. 32, Spring 1991, Cleveland State University Apr 1991

The Gamut: A Journal Of Ideas And Information, No. 32, Spring 1991, Cleveland State University

The Gamut Archives

CONTENTS OF ISSUE NO. 32, SPRING, 1991

Editorial

Louis T. Milic: The Cynic’s New Word Book, 2

Jane Ware: The Bones of Fort Laurens, 4

Excavating Ohio’s only Revolutionary War fort

Lawrence Martin: The Pickwickian Syndrome, 12

A deadly combination of obesity and too shallow breathing

Donald Dewey: Let’s Reorganize Major League Sports!, 25

Shouldn’t major league membership be based on performance?

Barbra Cunliffe Singleton: Walking the Wrong Way Around the Monastery, 31

Tibet’s cultural heritage is being erased under Chinese rule

John A.C. Greppin: The Language of the Babylonians and Assyrians, 37

Deciphering …


Santa Clara Magazine, Volume 33 Number 3, Spring 1991, Santa Clara University Apr 1991

Santa Clara Magazine, Volume 33 Number 3, Spring 1991, Santa Clara University

Santa Clara Magazine

12 - ABORTION : NO SIMPLE ANSWERS Jesuit theologian Ted Mackin examines pro-life and pro-choice positions and reports that neither side is addressing the issue with total honesty. By Theodore J. Mackin, S.J.

16 - STAY AT HOME MOMS Alumnae discuss why they decided to devote all their time and attention to their families. By Michelle Burget Fletcher '78, Brigid Modena Benham '81, and Anne Penoyer King '69

20 - SCU's WINE FAMILIES Northern California's vineyards are fertile ground for Santa Clara graduates. By Rosina Wilson

28 - WORKING THE SUICIDE HOTLINE Within these walls, no secret is too terrible …


Describing The Flora Of The United States: Botanies At Libraries In Syracuse, Dudley J. Raynal Apr 1991

Describing The Flora Of The United States: Botanies At Libraries In Syracuse, Dudley J. Raynal

The Courier

The first written descriptions of the flora of North America were those of sixteenth-century Europeans who marvelled at the botanical treasures brought to them by explorers of the New World. The earliest account of American natural history was that of the English botanical explorer Thomas Hariot who wrote his Briefe and True Re, port of the New Found Land of Virginia in 1590 after returning from an expedition arranged by Sir Walter Raleigh. Hariot carried to En, gland tubers, fruits, and seeds of plants previously unknown in Europe. Perhaps thirty different plant species had been introduced into Europe from the …


The Architecture Of Braid: A System For Bridging Al/Db Systems, Amit P. Sheth, Anthony B. O'Hare Apr 1991

The Architecture Of Braid: A System For Bridging Al/Db Systems, Amit P. Sheth, Anthony B. O'Hare

Kno.e.sis Publications

We describe the design of BrAID (a Bridge between Artificial Intelligence and Database Management Systems), an experimental system for the efficient integration of logic based Artificial Intelligence (Al) and database (DB) technologies. Features provided by BrAID include (a) access to conventional DBMSs, (b) support for multiple inferencing strategies, (c) a powerful caching subsystem that manages views and employs subsumption to facilitate the reuse of previously cached data, (d) lazy or eager evaluation of queries submitted by the AI system, and (e) the generation of advice by the AI system to aid in cache management and query execution planning. To discuss …


Regulating Air Toxics In Rhode Island: Policy Vs. Technical Decisions, Julie A. Roque Mar 1991

Regulating Air Toxics In Rhode Island: Policy Vs. Technical Decisions, Julie A. Roque

RISK: Health, Safety & Environment (1990-2002)

Dr. Roqu6 recounts her work as a doctoral candidate at Brown in developing standards for the regulation of airborne carcinogens. Based in part on this experience, she argues that care needs be taken lest those who regulate Risk bury key policy decisions within a mass of often irrelevant technical details.


Table Of Contents, Volume Two, Number Two, Spring 1991, Risk Editorial Board Mar 1991

Table Of Contents, Volume Two, Number Two, Spring 1991, Risk Editorial Board

RISK: Health, Safety & Environment (1990-2002)

Table of contents for the journal Risk: Issues in Health & Safety (ISSN: 1073-8673)


Puppy Mills Exposed Mar 1991

Puppy Mills Exposed

Close Up Reports

Thousands of dogs, unloved, starving, ill-housed; thousands of puppies, shipped like so much merchandise at too young an age; thousands of consumers, unknowingly buying sick dogs: these are the grim truths of the puppy-mill trade.


Review Of Colorado Flora: Eastern Slope By William A. Weber., Robert B. Kaul Feb 1991

Review Of Colorado Flora: Eastern Slope By William A. Weber., Robert B. Kaul

Great Plains Research: A Journal of Natural and Social Sciences

All 2260 plant species of eastern-slope Colorado--from the continental divide east to the Nebraska and Kansas borders--can be identified using this book. That figure includes not only the native species but also the numerous introduced ones that survive without cultivation and often provide severe competition for the native flora. Much of Colorado's native plains flora was eliminated in the past century by plowing and by grazing livestock. It is largely replaced by a few durable native and many aggressive exotic species that thrive under those conditions, but remnants of the original flora exist on escarpments and in a few level …


Land Use Laws And Policies Model Biogenetics Bylaw, Umass Amherst Center Economic Development Jan 1991

Land Use Laws And Policies Model Biogenetics Bylaw, Umass Amherst Center Economic Development

Center for Economic Development Technical Reports

This report explains the bylaw that dictates the use of RDNA in the town of Grafton, Massachusetts.


Animals In Biomedical Research: The Undermining Effect Of The Rhetoric Of The Besieged, John P. Gluck, Steven R. Kubacki Jan 1991

Animals In Biomedical Research: The Undermining Effect Of The Rhetoric Of The Besieged, John P. Gluck, Steven R. Kubacki

Experimentation Collection

It is correctly asserted that the intensity of the current debate over the use of animals in biomedical research is unprecedented. The extent of expressed animosity and distrust has stunned many researchers. In response, researchers have tended to take a strategic defensive posture, which involves the assertation of several abstract positions that serve to obstruct resolution of the debate. Those abstractions include the notions that the animal protection movement is trivial and purely anti-intellectual in scope, that all science is good (and some especially so), and the belief that an ethical consensus can never really be reached between the parties.


Santa Clara Magazine, Volume 33 Number 2, Winter 1991, Santa Clara University Jan 1991

Santa Clara Magazine, Volume 33 Number 2, Winter 1991, Santa Clara University

Santa Clara Magazine

10 - GROWING UP ADOPTED Santa Clarans who have adopted children or are adopted discuss their experiences with interracial adoption and talk about the identity crisis years most adoptees face. By Susan Frey

16 - WHAT YOUR DOCTOR DOESN'T KNOW CAN KILL YOU A small but growing number of doctors around the world are turning to biological medicine to treat their patients with cancer and other serious diseases. By Michael Sheehan '77

20 - SCU's FATHER GOOSE When John Drahrnann shepherds undergraduates through the academic maze, he often counsels their parents as well. By Thomas F. Black and Maureen Mclnaney …


Back Cover Jan 1991

Back Cover

Journal of the Iowa Academy of Science: JIAS

No abstract provided.


Index For Volume 98 Jan 1991

Index For Volume 98

Journal of the Iowa Academy of Science: JIAS

No abstract provided.


Auxin-Regulated Gene Expression, Tom J. Guilfoyle Jan 1991

Auxin-Regulated Gene Expression, Tom J. Guilfoyle

Journal of the Iowa Academy of Science: JIAS

A number of cDNA clones to independent mRNAs that increase in amount after brief exposure to auxins have been isolated. From soybean, sequenced, and characterized. Increases in mRNA abundance can be detected as early as 2.5 minutes after auxin application to excised elongating regions of soybean hypocotyls. Increased transcription rates on the genes which encode the auxin-responsive mRNAs account, at least partly, for the accumulation of mRNAs. A variety of auxins induce the accumulation of the mRNAs, but other plant hormones have no effect on the mRNA abundance. Some of the genes which encode the mRNAs are clustered in the …


Stimulus Response Coupling In Auxin Action, K. R. Libbenga Jan 1991

Stimulus Response Coupling In Auxin Action, K. R. Libbenga

Journal of the Iowa Academy of Science: JIAS

This paper not available at time of printing.


Lxodes Dammini (Acari, Ixodidae) And Borrelia Burgdorferi In Iowa, Mark G. Novak, Wayne A. Rowley, Kenneth B. Platt, David M. Bartholomew, Michelle D. Senne Jan 1991

Lxodes Dammini (Acari, Ixodidae) And Borrelia Burgdorferi In Iowa, Mark G. Novak, Wayne A. Rowley, Kenneth B. Platt, David M. Bartholomew, Michelle D. Senne

Journal of the Iowa Academy of Science: JIAS

A statewide study to evaluate the presence, distribution and abundance of the deer tick, Ixodes dammini, and the spirochete, Borrelia burgdorfen, in Iowa was initiated in 1989. Six hundred and seventy-one tick collections were received from health professionals, conservation employees and concerned citizens. Additional ticks were obtained by flagging, small mammal trapping and deer checks in selected areas of Iowa. Nine I. dammini were collected in 1989 from seven counties in the eastern half of the state. Six of these were tested for B. burgdorferi and all were negative. Flagging, small mammal trapping and deer checks in eastern Iowa failed …


Radon In Iowa Homes: Results Of Screening Measurements, Laurent Hodges, Lynne Gillette Jan 1991

Radon In Iowa Homes: Results Of Screening Measurements, Laurent Hodges, Lynne Gillette

Journal of the Iowa Academy of Science: JIAS

Homeowner-initiated short-term radon screening measurements in Iowa homes show that only about 30% of the homes have low enough radon levels - below 148 Bq/m (4.0 pC1/L) - that no follow-up measurements are necessary. Over 6 percent of the homes have screening measurements in excess of 740 Bq/m3 (20 pCi/L), a level at which prompt follow-up measurements are recommended. In all parts of the state, the range of radon results extends from low levels (below 37 Bq/m3 = 1 pCi/L) to high levels (above 740 Bq/m3). The average radon results tend to be higher than the …


Front Matter Jan 1991

Front Matter

Journal of the Iowa Academy of Science: JIAS

No abstract provided.


Table Of Contents, Volume Two, Number One, Winter 1991, Risk Editorial Board Jan 1991

Table Of Contents, Volume Two, Number One, Winter 1991, Risk Editorial Board

RISK: Health, Safety & Environment (1990-2002)

Table of contents for the journal Risk: Issues in Health & Safety (ISSN: 1073-8673)


Prospectus And Evaluation Copies Available, Additional Coverage In Indices, Risk Editorial Board Jan 1991

Prospectus And Evaluation Copies Available, Additional Coverage In Indices, Risk Editorial Board

RISK: Health, Safety & Environment (1990-2002)

Editorial announcements and news for the inactive journal Risk: Health, Safety & Environment (ISSN: 1073-8673).


Physiological Responding In Anhedonic And Perceptually Aberrant College Students, Kathryn Elizabeth Stauffer Jan 1991

Physiological Responding In Anhedonic And Perceptually Aberrant College Students, Kathryn Elizabeth Stauffer

Dissertations, Theses, and Masters Projects

No abstract provided.


El Papel De Las Mujeres En La Conservación De Los Bosques Del Nepal, Augusta Molnar Jan 1991

El Papel De Las Mujeres En La Conservación De Los Bosques Del Nepal, Augusta Molnar

Poverty, Gender, and Youth

Este número de SEEDS pone de relieve las formas en que se ha hecho participar a las mujeres en un programa gubernamental de conservación y restauración de bosques en Nepal. Como en muchos proyectos de gran escala e impacto generalizado, las mujeres no tenían un papel específico en el diseño original del proyecto. Pero una vez que comenzaron las actividades, tanto el personal nepales como sus colegas extranjeros tuvieron que reconocer que para que la estrategía participative pudiera funcionar, era esencial contar con las mujeres. De ahí que durante los primeros cinco anos del proyecto (1980–85) se probaron varias maneras …


Distributive Effects Of Forest Service Attempts To Maintain Community Stability, Steven E. Daniels, William F. Hyde, David N. Wear Jan 1991

Distributive Effects Of Forest Service Attempts To Maintain Community Stability, Steven E. Daniels, William F. Hyde, David N. Wear

Sociology, Social Work and Anthropology Faculty Publications

Community stability is an objective of USDA Forest Service timber sales. This paper examines that objective, and the success the Forest Service can have in attaining it, through its intended maintenance of a constant volume timber harvest schedule. We apply a three-factor, two-sector modified general equilibrium model with empirical evidence from the timber-based counties of western Montana. Departure from a market responsive timber policy can have positive impacts on the wood products sector, but the net effects on the local community are very small. The costs to the public treasury of pursuing such a policy dwarf these small community benefits.


Vascular Flora Of Arend's Kettle, Freda Haffner Kettlehole State Preserve, Dickinson County, Iowa, Edwin L. Freese, William J. Platt Jan 1991

Vascular Flora Of Arend's Kettle, Freda Haffner Kettlehole State Preserve, Dickinson County, Iowa, Edwin L. Freese, William J. Platt

Journal of the Iowa Academy of Science: JIAS

Arend's Kettle is a 5 ha glacial landform in Dickinson County, Iowa. The flora of this kettle was studied over two years prior to acquisition by the Nature Conservancy in 1973. The known vascular flora of Arend's Kettle as of 1973 consisted of 299 species, representing 177 genera and 59 families. The vegetation ranged from xeric short grass prairie along the rims of the kettle to mesic prairie along the middle and lower slopes. In the bottom of the kettle, there was a marsh/seasonal pond community that varied greatly in the amount of water present, depending on rainfall within the …


In Search Of A Gibberellin Receptor, Lalit M. Srivastava, Konrad A. Sechley Jan 1991

In Search Of A Gibberellin Receptor, Lalit M. Srivastava, Konrad A. Sechley

Journal of the Iowa Academy of Science: JIAS

Use of tritiated gibberellins ([3H] GA1, [3H] GA4) of high specific activity and purity has allowed the determination of GA-specific binding sites in several plant tissues both in vivo and in vitro. In cucumber hypocotyls and pea epicotyls which have been most investigated the binding of [3H] GA; occurs to soluble proteins. This binding is saturable ('n' =about 30 pmol. Mg-1 soluble protein), of high affinity (KD= about 70 nM), and is competed for by other GA, and derivatives in proportion to their biological activity in these …


Front Matter Jan 1991

Front Matter

Journal of the Iowa Academy of Science: JIAS

No abstract provided.