Open Access. Powered by Scholars. Published by Universities.®

Digital Commons Network™

Open Access. Powered by Scholars. Published by Universities.®

Brigham Young University

Discipline
Keyword
Publication Year
Publication
Publication Type
File Type

Articles 16471 - 16500 of 17159

Full-Text Articles in Entire DC Network

Front Matter, Vol. 19 No. 5 Dec 1974

Front Matter, Vol. 19 No. 5

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


The Effects Of Highway Construction On The Fish Populations In The Weber River Near Henefer, Summit County, Utah, Edward James Peters Nov 1974

The Effects Of Highway Construction On The Fish Populations In The Weber River Near Henefer, Summit County, Utah, Edward James Peters

Theses and Dissertations

Alterations of streams to facilitate highway construction and consumptive water use has become a fisheries management problem. To evaluate the effects of channeling concomitant to construction of Interstate 80 N. near Henefer, Utah, altered and unaltered sections of the Weber River were compared on the basis of fishes censused, population estimates and ordinations. Species compositions in particular areas were influenced by local rheologic conditions. Changes in species composition between samplings at a particular area were caused by fish movements. Data from altered sections, rehabilitated with deflectors and checkdams, were not noticeably different than data from unaltered areas. However, fish movements …


Erratum: On Improved Wkb (Uniform Asymptotic) Quantum Conditions, Dunham Corrections, The Langer Modification, And Rkr Potentials, Russell T. Pack Nov 1974

Erratum: On Improved Wkb (Uniform Asymptotic) Quantum Conditions, Dunham Corrections, The Langer Modification, And Rkr Potentials, Russell T. Pack

Faculty Publications

In Eqs. (28) and (29) p should be changed to t.


Book Review: Chabag: Schweizer Kolonie Am Schwarzen Meer, Leo Schelbert Nov 1974

Book Review: Chabag: Schweizer Kolonie Am Schwarzen Meer, Leo Schelbert

Swiss American Historical Society Newsletter

The founding of hoogeneous, ethnically defined settlements represents perhaps the most colorful aspect of migration history. The colony Chabag, located in Bessarabia where the Dnjester river flows into the Black Sea, provides a find example of such a story, traced by H. Gander-Wolf as a labor of love. The settlement, founded in 1822 by the botanist and vine-grower Louis Vincent Tardent from Vevey in French-speaking Switzerland, lasted for five generations until the turbulence of World War Two forced the inhabitants to return to their homeland. Although this study is written by a descendant of the settlers, it is remarkably free …


Full Issue Nov 1974

Full Issue

Swiss American Historical Society Newsletter

No abstract provided.


New Data For Revising The Missouri “Documentary History”, Richard L. Anderson Oct 1974

New Data For Revising The Missouri “Documentary History”, Richard L. Anderson

BYU Studies

No abstract provided.


The Political And Social Realities Of Zion's Camp, Peter Crawley, Richard L. Anderson Oct 1974

The Political And Social Realities Of Zion's Camp, Peter Crawley, Richard L. Anderson

BYU Studies

No abstract provided.


Missouri Mormon Manuscripts: Sources In Selected Societies, Stanley B. Kimball Oct 1974

Missouri Mormon Manuscripts: Sources In Selected Societies, Stanley B. Kimball

BYU Studies

No abstract provided.


The Genus Hedysarum In North America, Terry Edwin Northstrom Aug 1974

The Genus Hedysarum In North America, Terry Edwin Northstrom

Theses and Dissertations

In North America, Hedysarum taxa extend from southern Arizona to Banks Island and from northern Alaska to Newfoundland. They exhibit a high degree of polymorphism which is usually expressed in the form of a gradient in morphological characteristics. Four species, one subspecies and four varieties are recognized, including one new combination, H. boreale ssp. boreale var. rivulare (Williams) Northstrom. Comparative anatomical and morphological studies revealed two basic patterns. Chromosome numbers of all taxa were determined. The basic chromosome number of H. alpinum, H. sulphurescens and H. occidentale is n=7. The basic chromosome number of H. boreale is n=8. Seed protein …


A Revision Of The Astragalus Lentiginosus Complex For The State Of Utah, Carol Susan Schoener Aug 1974

A Revision Of The Astragalus Lentiginosus Complex For The State Of Utah, Carol Susan Schoener

Theses and Dissertations

The taxonomy and distribution of the Astragalus lentiginosus complex in Utah is presented. The nine varieties are listed and a key is provided which allows determination of the members of the complex in Utah. Each entity is discussed and illustrated. Two distribtuion maps are included for each variety, one showing the distribution in Utah and the other, the general range of the entity. The body of this work is based on the study of herbarium specimens and field observations and collection. These studies have resulted in the synonymizing of two varieties, the inclusion of another and one nomenclatural change.


Biological Studies On Cryptobia Atraria Sp.N. (Kinetoplastida: Cryptobiidae) In Fishes From The Sevier River Drainage, Utah, J. Stephen Cranney Aug 1974

Biological Studies On Cryptobia Atraria Sp.N. (Kinetoplastida: Cryptobiidae) In Fishes From The Sevier River Drainage, Utah, J. Stephen Cranney

Theses and Dissertations

Fish culture for both food and sport utilization has been greatly increasing throughout the world. The editor of Fish Farming Industries (1973) predicted an increase by 1977 in the United States of 83% for catfish producers, 49% for trout farmers, and 91% for bait dealers. Concomitant with the renewed interest in fish culture has been a corresponding need to further understand fish diseases.


Metabolism Of 3-Isopropyl-4h-2,1,3-Benzothiadiazin-4-(3h)-One-2,2-Dioxide (Bentazon) In Agitated And Non-Agitated Sediment, David Cortez Gutierrez Aug 1974

Metabolism Of 3-Isopropyl-4h-2,1,3-Benzothiadiazin-4-(3h)-One-2,2-Dioxide (Bentazon) In Agitated And Non-Agitated Sediment, David Cortez Gutierrez

Theses and Dissertations

Bentazon, (3-isopropyl-1H-2,1,3-benzothiadiazin-4(3H)-l-2,2-dioxide) a new experimental herbicide, was studied under the effects of sterile and non-sterile conditions, 12 hours light: 12 hours dark and totally dark conditions, and agitated and non-agitated conditions in aquatic sediment. The effects of the different levels of BOD/COD values on the decomposition of Bentazon were studied. Photoperiod, sterility, and BOD/COD levels appeared to have no influence in the breakdown of Bentazon. Agitation-time interaction appeared to be the only factor that influenced the more rapid degradation of Bentazon. Bentazon was the major 14C-residue found in the water; it was followed by an unknown. The third major metabolite …


Thermodynamic Stability Constants Of Silver Bromide Complexes In Water And Water-Acetone Mixtures Determined By Ion-Selective Electrode Measurements, Arthur Lee Cummings Aug 1974

Thermodynamic Stability Constants Of Silver Bromide Complexes In Water And Water-Acetone Mixtures Determined By Ion-Selective Electrode Measurements, Arthur Lee Cummings

Theses and Dissertations

Thermodynamic equilibrium constants for silver(I) bromide complexes were determined by ion-selective membrane electrode potential measurements in water and in mixtures of water and acetone of approximately 5, 10 and 15 percent acetone by weight. Values of the solubility product constant were determined in each solvent system by calibration of a silver bromide membrane electrode with silver nitrate solutions and with sodium bromide solutions. Stability constants of silver(I) bromide complexes were determined using a silver ion-selective, silver sulfide membrane electrode in unsaturated solutions in which the formal concentrations of silver(I) and of bromide ranged from approximately I x 10-8 to 7 …


High School Students Achievement Of College Level Work Through The Phase Achievement System (Pas), Dwight D. Lassen Aug 1974

High School Students Achievement Of College Level Work Through The Phase Achievement System (Pas), Dwight D. Lassen

Theses and Dissertations

Senior high school students in a Human Biology course were given college level work through the Phase Achievement System (PAS), a biology course at Brigham Young University (BYU). Statistical analysis showed significant growth in high school student learning through the PAS. When ability to work with PAS was measured, significant differences between the high school and college groups were not evident. A high percentage of college and high school students dropped out of the PAS, probably becasue students could fail at the PAS without experiencing academic failure.


Venezuelan Macronyssidae (Acarina:Mesostigmata), Robert C. Saunders Jul 1974

Venezuelan Macronyssidae (Acarina:Mesostigmata), Robert C. Saunders

Theses and Dissertations

A total of over 5000 mite specimens representing 49 species was studied and evaluated. The most frequently encountered species was Ornithonyssus bacoti. Based on these specimens, a brief review of the family Macronyssidae in Venezuela is presented. Included are brief notes as to medical importance and host relationships; also a key to the genera of Venezuelan Macronyssidae and a host-parasite list are included. Reprints of two papers and the manuscript of a third are included as part of the dissertation requirements. Contained in these are descriptions of three new genera (Argitis, Lepidodorsum, and Nycteronyssus) and four new species (Acanthonyssus proechimys, …


The Silver Connection: A Review Of How To Prepare For The Coming Crash, Larry T. Wimmer Jul 1974

The Silver Connection: A Review Of How To Prepare For The Coming Crash, Larry T. Wimmer

BYU Studies

No abstract provided.


Uintah Dream: The Ute Treaty—Spanish Fork, 1865, Gustive O. Larson Jul 1974

Uintah Dream: The Ute Treaty—Spanish Fork, 1865, Gustive O. Larson

BYU Studies

No abstract provided.


On Doing Theology, M. Gerald Bradford Jul 1974

On Doing Theology, M. Gerald Bradford

BYU Studies

No abstract provided.


Physical Beginning Of The Church Welfare Program, Paul C. Child Jul 1974

Physical Beginning Of The Church Welfare Program, Paul C. Child

BYU Studies

No abstract provided.


A Mormon Mother: An Autobiography Annie Clark Tanner, John B. Harris Jul 1974

A Mormon Mother: An Autobiography Annie Clark Tanner, John B. Harris

BYU Studies

No abstract provided.


Discovering The World Of The Bible Lamar C. Berrett, Gilbert W. Scharffs Jul 1974

Discovering The World Of The Bible Lamar C. Berrett, Gilbert W. Scharffs

BYU Studies

No abstract provided.


The Law Of Adoption: One Phase Of The Development Of The Mormon Concept Of Salvation, 1830-1900, Gordon Irving Jul 1974

The Law Of Adoption: One Phase Of The Development Of The Mormon Concept Of Salvation, 1830-1900, Gordon Irving

BYU Studies

No abstract provided.


Bookreviews, George A. Codding Jr. Jul 1974

Bookreviews, George A. Codding Jr.

Swiss American Historical Society Newsletter

Dear Dr. Burckhardt:

During the research for a new book on Swiss federalism, I had the occasion to renew my acquaintance with a book which has probably received far less attention among those interested in Switzerland than it perhaps should have. The book in question is William Gorhan Rice, Law Among States in Federacy: A Survey of Decisions of the Swiss Federal Tribunal in Intercantonal Controversies (Appleton, Wisconsin: C.C. Nelson Publishing Company, 1959), the writing of which was subsidized, according to the author, by the Penrose Fund of the American Philosophical Society and the University of Wisconsin.


Ecological Aspects Of Cercocarpus Montanus Raf. Communities In Central Utah, David Lee Anderson May 1974

Ecological Aspects Of Cercocarpus Montanus Raf. Communities In Central Utah, David Lee Anderson

Theses and Dissertations

Ecological and environmental aspects relating to Cercocarpus montanus Raf. Communities were investigated. Twenty study sites were sampled and described. All factors were then analyzed utilizing statistical methods. Signigicantly correlated factors to C. montanus parameters (i.e., frequency, density, cover, height) were: positive correlation--percent clay, percent clay-silt, percent litter cover, and total soluble salts in soil; negative correlation--percent silt-sand, percent sand, soil pH; exposed surface rock, Amelanchier alnifolia cover, Gotierrezia sarothrae cover and altitude. Several individual factors were singled out as being of importance in C. montanus communities; howerver, it was shown that a combination of factors was most important in determining …


Front Matter, Vol. 19 No. 4 Apr 1974

Front Matter, Vol. 19 No. 4

Brigham Young University Science Bulletin, Biological Series

No abstract provided.


A Taxonomic Study Of The Western Collared Lizards, Crotaphytus Collaris And Crotaphytus Insularis, Nathan M. Smith, Wilmer W. Tanner Apr 1974

A Taxonomic Study Of The Western Collared Lizards, Crotaphytus Collaris And Crotaphytus Insularis, Nathan M. Smith, Wilmer W. Tanner

Brigham Young University Science Bulletin, Biological Series

The heterogeneous nature of the collared lizards west of the Colorado River prompted this study. Samples from known populations of C. c. auriceps, C. c. baileyi, and C. c. fruscus were used as a base for defining the western populations. External morphology and cranial morphology were compared by cluster, canonical, and discriminant analyses.

Results of these analyses show a western complex of four populations which are distinct from the three base populations of the collaris complex. Members within the western complex are distinguishable with at least 90 percent reliability by discriminant analysis. Because of intergradation patterns seen in western Sonora, …


A Calorimetric Study Of Metal Binding In Carboxypeptidase, Carbonic Anhydrase And Concanavalin A, Gary E. Hatch Apr 1974

A Calorimetric Study Of Metal Binding In Carboxypeptidase, Carbonic Anhydrase And Concanavalin A, Gary E. Hatch

Theses and Dissertations

The purpose of this study was to perfect a new calorimetric method for identifying and counting ionizable chemical groups on proteins. To do this, calorimetric and electrometric titrations were performed (using HCl and NaOH as titrant) on native carboxypeptidase, carbonic anhydrase and concanavalin A plus their apo and organic ligand bound derivatives. Readily identifiable endpoints were seen in the calorimetric titrations and general agreement was found between ΔH values obtained in this study and literature ΔH values of model compounds undergoing the same reaction. Imidazole groups were those most easily counted. Many assumptions had to be made, however, in concluding …


Aspects Of Salt Tolerance Of Salicornia Pacifica Standl. Var. Utahensis (Tidestrom) Munz, Dennis J. Hansen Apr 1974

Aspects Of Salt Tolerance Of Salicornia Pacifica Standl. Var. Utahensis (Tidestrom) Munz, Dennis J. Hansen

Theses and Dissertations

Aspects of salt tolerance of Salicornia pacifica were investigated. Survival of this plant in a saline environment is due to many interacting factors. A soil pH of 7.5 to 8.0 +- 0.2 and a constant sub-surface soil moisture level of 25 to 35% are necessary for plant survival. A fluctuating lower soil moisture leevel and higher pH favor etablishment of Distichlis stricta. The ion content in S. pacifica remained constant despite increased moisture stress throughout the growing season due to accumulation of salts which were significantly higher in the surface soil layers than in the subsurface layers around the roots. …


The Generic Name Of The North American Musk Turtles, Hobart M. Smith, Kenneth R. Larsen Mar 1974

The Generic Name Of The North American Musk Turtles, Hobart M. Smith, Kenneth R. Larsen

Great Basin Naturalist

Although several recent workers have used the name Sternothaerus for the North American musk turtles, the rules of priority render Sternotherus the correct name for them. The generic type fixation by Stejneger of S. odoratus is accepted.


Numeric Analysis Of The Lizard Genus Sceloporus With Special Reference To Cranial Osteology, Kenneth R. Larsen, Wilmer W. Tanner Mar 1974

Numeric Analysis Of The Lizard Genus Sceloporus With Special Reference To Cranial Osteology, Kenneth R. Larsen, Wilmer W. Tanner

Great Basin Naturalist

Numerical statistical methods were used to analyze the species in the genus Sceloporus using cranial osteology, external meristic and numeric characters, karyology, display behavior, and geographic distribution.

A new classification for the genus is proposed with three major branches or groups. Group I contains 7 species in 3 species groups. Group II contains approximately 19 species in 5 species groups. Group III contains approximately 32 species in 5 species groups. This classification is supported by the cluster analysis of several different sets of data. Cranial osteology, zoogeography, behavior, and karyology are shown to be taxonomically significant as numeric characters. Stepwise …