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The Plant Communities Of Arches National Park, John Stevens Allan Aug 1977

The Plant Communities Of Arches National Park, John Stevens Allan

Theses and Dissertations

Arches National Park, located in southeastern Utah, lies in a transition zone between the southwestern hot desert and the western cold desert, but it is floristically most similar to the hot desert. The major plant communities are as follows: Juniper-pinyon, blackbrush, grasslands and sand dune association. Other community types occur but occupy very limited areas. All of the communities studied have a high degree of uniqueness and merit recognition as separate entities. Blackbrush showed the greatest overall similarity to other communities and was most similar to the sand dune communities. The hanging gardens were the most distinctive and covered the …

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The Sage Creek Mountain Local Fauna Of The Bridger Formation Near Lonetree, Wyoming, Steven W. Barker Aug 1977

The Sage Creek Mountain Local Fauna Of The Bridger Formation Near Lonetree, Wyoming, Steven W. Barker

Theses and Dissertations

The Bridger Formation in the Green River Basin has been divided into two members, the lower Black's Fork member and the upper Twin Buttes member. 'Ihe Black's Fork member is composed of' biostratigraphlc zones A and Band the Twin Buttes member is com-posed of biostratigraphic zones C, D and E. Recent workers have found that zones A and B contain the same fauna and therefore represent just one biostratigraphic zone (McGrew 1971, Robinson 1970). Future studies of the biostratigraphic zones of the Twin Buttes member are necessary to determine if the C, D and E zones are valid. Some are …

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High Pressure Liquid Chromatographic Methods For The Separations Of Derivatized Alpha-Keto Acids And Thiamine Phosphate Esters, Bruce Clark Hemming Aug 1977

High Pressure Liquid Chromatographic Methods For The Separations Of Derivatized Alpha-Keto Acids And Thiamine Phosphate Esters, Bruce Clark Hemming

Theses and Dissertations

Improved methods have been developed for separation of a-keto acid derivatives and for thiamine and its phosphate esters. Linear gradient reverse phase chromatography using ion-pair formation provides baseline resolution for a seven-component homologous series of a-keto acid dinitrophenylhydrazones having increasing carbon chain lengths. Branched-chain keto acids can also be separated. Aldehyde derivatives were examined as possible interfering compounds. Peak identification in biological material was confirmed for pyruvate by an enzymic peak shift technique. Monitoring near 365 nm permits low nanogram detection. Preliminary studies of keto acids in biological material illustrate the method's applicability. The same system with slight changes separates …

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Plant Dioecy, Ecology, Evolution And Sex Reversal, D. Carl Freeman Aug 1977

Plant Dioecy, Ecology, Evolution And Sex Reversal, D. Carl Freeman

Theses and Dissertations

The distribution of dioecious species among forty-four plant communities of western United States was examined. The dioecious habit is most prevalent in harsh environments. In many communities, over 20 percent of the species and 40 percent of the individuals are dioecious. Dioecy is most common among woody species which are pollinated by wind. It is concluded that inbreeding depression alone is insufficient to account for all known facts concerning dioecy. Disruptive selection acting upon differential success of gametes produced on sites of differing quality appears to have played a major role in producing separate sexed individuals. Dioecious species reported to …

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Drosophila Pseudoobscura Of The Great Basin, Monte E. Turner Aug 1977

Drosophila Pseudoobscura Of The Great Basin, Monte E. Turner

Theses and Dissertations

Four Utah populations of Drosophila pseudoobscura from the Wasatch Mountains in Utah were sampled and characterized for third chromosome gene arrangements. The original samples in this area were taken in 1940 and 1950. At that time the populations were essentially monomorphic for the Arrowhead arrangement, with small percentages of Pikes Peak and Chiricahua also found. The current samples show these populations to contain eight third chromosome arrangements; seven previously described (AR, PP, CH, ST, TL, OL, EP) and a newly discovered endemic arrangement (American Fork, AF), with breakpoints 63E and 70D. The frequency of AR had decreased to 25% in …

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A Photochemical Study Of S-Triazolo[4,3-B] Pyridazine And 3-Diazo-4-Oxo-3,4-Dihydroquinoline, John Timothy Carlock Aug 1977

A Photochemical Study Of S-Triazolo[4,3-B] Pyridazine And 3-Diazo-4-Oxo-3,4-Dihydroquinoline, John Timothy Carlock

Theses and Dissertations

When subjected to ultraviolet radiation in the presence of an alkene, s-triazolo[4,3-b]pyridazine (STP) undergoes an unusual 3 + 2 photocycloaddition wherein the alkene adds to the 1 and 8 positions of STP with concommitant N4-N5 bond cleavage yielding 5,6-disubstituted-6,7-dihydro-7-methylene (and 7-cyanomethyl)-5H-pyrrolo[1,2-b]-s-triazoles. Amides and esters of indole-3-carboxylic acid have been synthesized by a novel reaction employing the ultraviolet irradiation of 3-diazo-4-oxo-3,4-dihydroquinoline (QDA) in the presence of amines or alcohols respectively. QDA, when irradiated, is postulated to undergo an internal Wolff Rearrangement to Indole-3-ketene which can add any amine or alcohol to form the corresponding amide or ester in modest to good …

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Bionomics Of A Subterranean Gall Midge (Diptera : Cecidomyiidae) From Artemisia Ludoviciana, Ranasinghe Aug 1977

Bionomics Of A Subterranean Gall Midge (Diptera : Cecidomyiidae) From Artemisia Ludoviciana, Ranasinghe

Theses and Dissertations

Bionomics of a gall midge that emerged from nodulelike structures of herbaceous sage, Artemisia ludoviciana Nutt., was studied as a part of a larger investigation on possible nitrogen fixation by this plant. Infested plants collected from the field were regularly examined in the laboratory where some of them were grown in a liquid nutrient medium. In the laboratory, adult midges were reared from the pupae and induction of infestation was attempted. Apparent nodulation on these plants is caused by the subterranean bud galls of a previously unknown gall midge species, Rhopalomyia subhumilis Gagne. The life history of this midge is …

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The Synthesis Of Novel Macrocyclic Multidentate Compounds From Dioxodioic Acids (1), R. Elliott Asay Aug 1977

The Synthesis Of Novel Macrocyclic Multidentate Compounds From Dioxodioic Acids (1), R. Elliott Asay

Theses and Dissertations

A series of novel macrocyclic multidentate crown compounds have been prepared from a series of dioxodioic acids. The dioxodioic acids were prepared by treating various oligoethylene glycols or amines with maleic, succinic, citraconic, and glutaric anhydrides. The crown compounds were then synthesized from the dioxodioic acid chlorides obtained from the diacids and various oligoethylene glycols or ethylene diamine.

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Real-Time Computer Optimized Scanning Potential Coulometry For Multi-Component Trace Analysis, Norman W. Petty Aug 1977

Real-Time Computer Optimized Scanning Potential Coulometry For Multi-Component Trace Analysis, Norman W. Petty

Theses and Dissertations

The instrumentation and methodology for real-time computer controlled scanning potential coulometry for multi-component trace analysis is described. The sensitivity limit was determined to be 10^-8 F for electrochemically reversible constituents. The sensitivity limit could be extended if measures were taken to compensate for the periodic signal found on the electrolysis current. Non-linear least squares curve fitting methods accurately resolved iron-platinum and silver-iron interferences to give accurate determinations for iron and silver. The resolving capability of this method was tested using theoretically generated scanning potential coulograms. The computer resolved sample constituents with a 1 to 100 concentration ratio and a formal …

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A Revision Of The Herbaceous Members Of The Genus Atriplex (Chenopodiaceae) For The State Of Utah, K. H. Thorne Jul 1977

A Revision Of The Herbaceous Members Of The Genus Atriplex (Chenopodiaceae) For The State Of Utah, K. H. Thorne

Theses and Dissertations

The herbaceous Atriplex species which occur in Utah are revised. This study is based on herbarium specimens and field observations throughout the state. My treatment largely follows that of Rall and Clements (1923). A brief discussion of the history, diagnostic characteristics and phylogeny is given. A descriptive key that includes all taxa has been prepared: type locality, synonyms, general habitat and distribution is reported for each entity. Illustrations and maps are included. One variety is described as new.

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The Mammals Of Zion National Park With Emphasis On Ecology And Distribution Of Twelve Species Of Rodents, Paul A. Gardner Jul 1977

The Mammals Of Zion National Park With Emphasis On Ecology And Distribution Of Twelve Species Of Rodents, Paul A. Gardner

Theses and Dissertations

Information concerning the mammals of Zion National Park was needed for management purposes and general information. During the summers of 1975 and 1976, mammals observed throughout the park were recorded and habitat structure was measured for each animal at the immediate observation site. Ordinations based on stepwise discriminant analyses of the data on 12 rodent species were constructed and substantiated by Bray-Curtis analyses. The results showed that amounts of cover and boulders contrasted the habitats of Peromyscus eremicus, P. maniculatus, P. crinitus, P. boylii and P. truei. A second group of species--Eutamias minimus, E. umbrinus, Spermophilus variegatus, Tamiasciurus hudsonicus, Dipodomys …

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Phlox Longifolia Nuttall (Polemoniaceae) Complex Of North America, Frederick J. Peabody Jul 1977

Phlox Longifolia Nuttall (Polemoniaceae) Complex Of North America, Frederick J. Peabody

Theses and Dissertations

Over 1,000 herbarium specimens including 24 type specimens were examined in an attempt to achieve a clearer understanding of the Phlox longifolia complex. Four variables were measured for each specimen and the data were statistically analyzed by disciminant analysis. Using a previously published system of classification for the complex approximately 73% of the measured variation among the specimens was accounted for by that system. The clustering patterns produced in this first analysis indicated that a more conservative approach would be advisable. The formulataion and subsequent application of a modified system produced a grouping of specimens that accounted for 95% of …

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Behavior And Age Class Structure Of Wintering Northern Bald Eagles (Haliaeetus Leucocephalus Alascanus) In Western Utah, Ronald A. Joseph Jul 1977

Behavior And Age Class Structure Of Wintering Northern Bald Eagles (Haliaeetus Leucocephalus Alascanus) In Western Utah, Ronald A. Joseph

Theses and Dissertations

Bald Eagles in Cedar and Rush Valleys of western Utah were studied from 1975 to 1977. Arriving in mid-November, the eagles departed in mid-March. A statewide Bald Eagle census revealed 200 to 300 birds. Wintering eagle populations have remained stable for the past 10 years. Immatures comprised 35% of the population in 1975-76 and 33% in 1976-77. While Black-tailed jackrabbits are the primary food source of wintering eagles in western Utah, other mammalian carrion serve as supplementary food items. Eagles utilized 4 communal night roosts. Three day communal roosts were located on south facing slopes. The social existence of Bald …

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Editorial Note, Eugene W. Wu Jul 1977

Editorial Note, Eugene W. Wu

Journal of East Asian Libraries

No abstract provided.

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Organizations And Institutions, Sungha Kim, Toshiyuki Aoki, Tsuen-Hsuin Tsien, Robert Sewell Jul 1977

Organizations And Institutions, Sungha Kim, Toshiyuki Aoki, Tsuen-Hsuin Tsien, Robert Sewell

Journal of East Asian Libraries

No abstract provided.

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What's New In Technical Processing, Thomas Hun-Tak Lee Jul 1977

What's New In Technical Processing, Thomas Hun-Tak Lee

Journal of East Asian Libraries

No abstract provided.

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Librarians, Maureen H. Donovan, Key Paik Yang Jul 1977

Librarians, Maureen H. Donovan, Key Paik Yang

Journal of East Asian Libraries

No abstract provided.

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Taiwan College And University Library Collections: A Preliminary Statistical Profile, Anthony W. Ferguson Jul 1977

Taiwan College And University Library Collections: A Preliminary Statistical Profile, Anthony W. Ferguson

Journal of East Asian Libraries

No abstract provided.

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Special Reports, Sungha Kim, Ernest J. Tsai Jul 1977

Special Reports, Sungha Kim, Ernest J. Tsai

Journal of East Asian Libraries

No abstract provided.

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No. 053 Bulletin - Association For Asian Studies, Inc., Committee On East Asian Libraries, Committee On East Asian Libraries Jul 1977

No. 053 Bulletin - Association For Asian Studies, Inc., Committee On East Asian Libraries, Committee On East Asian Libraries

Journal of East Asian Libraries

No abstract provided.

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A Translation And Commentary Of The Joseph Smith Hypocephalus, Michael Dennis Rhodes Jul 1977

A Translation And Commentary Of The Joseph Smith Hypocephalus, Michael Dennis Rhodes

BYU Studies

No abstract provided.

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The Historians Corner, James B. Allen Jul 1977

The Historians Corner, James B. Allen

BYU Studies

No abstract provided.

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Ex Nihilo: The Development Of The Doctrines Of God And Creation In Early Christianity, Keith Norman Jul 1977

Ex Nihilo: The Development Of The Doctrines Of God And Creation In Early Christianity, Keith Norman

BYU Studies

No abstract provided.

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Howard Coray's Recollections Of Joseph Smith, Dean Jessee Jul 1977

Howard Coray's Recollections Of Joseph Smith, Dean Jessee

BYU Studies

No abstract provided.

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Missionaries For The Dead: The Story Of The Genealogical Missionaries Of The Nineteenth Century, Jessie L. Embry Jul 1977

Missionaries For The Dead: The Story Of The Genealogical Missionaries Of The Nineteenth Century, Jessie L. Embry

BYU Studies

No abstract provided.

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Mormon Bibliography 1976, Chad J. Flake Jul 1977

Mormon Bibliography 1976, Chad J. Flake

BYU Studies

No abstract provided.

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Joseph Smith: The First Mormon Donna Hill, Davis Bitton Jul 1977

Joseph Smith: The First Mormon Donna Hill, Davis Bitton

BYU Studies

No abstract provided.

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Massacre At Mountain Meadows: An American Legend And A Monumental Crime William Wise, Leonard J. Arrington Jul 1977

Massacre At Mountain Meadows: An American Legend And A Monumental Crime William Wise, Leonard J. Arrington

BYU Studies

No abstract provided.

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End Matter, Byu Studies Jul 1977

End Matter, Byu Studies

BYU Studies

No abstract provided.

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Publications, Frank Joseph Shulman, Howard G. H. Nelson, Eugene Wu, Rosemary Levenson, Tsuen-Hsuin Tsien Jul 1977

Publications, Frank Joseph Shulman, Howard G. H. Nelson, Eugene Wu, Rosemary Levenson, Tsuen-Hsuin Tsien

Journal of East Asian Libraries

No abstract provided.

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