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Transition-State Analog Affinity Purification Of Proteases, Arunbhai Patel

Dissertations

No abstract provided.

Survey Of Intestinal Parasites In Zoo Populations Of Two Central Illinois Zoos And Study Of Current Anti-Parasitic Drugs And Prophylactic Techniques, Verona A. Barr

Master's Theses

No abstract provided.

Regulation Of Nitrate Reductase Activity In Soybeans, Luke Curtis

Master's Theses

No abstract provided.

Observations On The Adherence Of Bacteroides Bivius To Female Genital Tract And Oral Epithelial Cells, Susan V. Meade

Master's Theses

No abstract provided.

Economics Of The Pacific Whiting, Merluccius Productus, Fishery, Eric Anderson

Economics Faculty Publications

(First paragraph) Interest in the economics of Pacific whiting, Merluccius productus, production and consumption has been simulated in recent years by expanding U.S. participation in the fishery formerly dominated by foreign fishing and processing. This has raised several questions within the U.S. fishing industry: 1) Will it be profitable for additional U.S. fisherman and processors to enter the fishery? 2) What configuration will the U.S. Pacific whiting industry take? and 3) What will be the nature of markets for Pacific whiting products? This paper summarizes the conclusions of several reports and studies which bear on these questions.

Environmental Factors Influencing English Sole (Parophyrus Vetulus) Populations In San Francisco Bay, California, Donald Edgar Pearson

University of the Pacific Theses and Dissertations

Population abundances of English sole within the San Francisco Bay from 1973 to 1981 showed a significant positive correlation with Delta outflows, and a significant negative correlation with salinity. Temperature in the bay and ocean upwelling showed no correlation with English sole abundance in the Bay. Because of the positive correlation between the abundance of English sole in the South San Francisco Bay and Delta outflow, this study suggests that any factor resulting in a reduction in outflow may reduce the abundance of English sole in the sample area.

Mosses Of The Great Plains X. The Niobrara Valley Preserve And Adjacent Area In Nebraska, Steven P. Churchill

Transactions of the Nebraska Academy of Sciences and Affiliated Societies

Seventy·two species of mosses distributed among 43 genera and 19 families are reported for the Niobrara Valley Preserve and adjacent area. Fourteen new state records of mosses are added to the Nebraska flora. Distributional affinities for the mosses corroborated biogeographical data and hypotheses involving a strong western (arid and montane), northern (boreal), and eastern (temperate) taxic influence due to past vegetational changes associated with Pleistocene events.

Reminiscences: My Forty-Year Romance With Malaria, G. Robert Coatney

Transactions of the Nebraska Academy of Sciences and Affiliated Societies

Looking back some 55 years since beginning my graduate studies, I have come to appreciate my good fortune: (1) to have inaugurated and carried out, over a period of some 35 years, a three-pronged research program (birds, simians, and man) against the world's most important infectious disease-malaria -and during two-thirds of that time, carrying worrisome administrative responsibilities; (2) to have participated in national and international efforts towards alleviation and control of that disease; (3) to have had a remarkable group of professional and subprofessional people who shared all kinds of problems; (4) to have received full support of my scientific …

Annotated Checklist Of The Amphibians And Reptiles Of Nebraska, John D. Lynch

Transactions of the Nebraska Academy of Sciences and Affiliated Societies

Thirteen species of amphibians and 47 species of reptiles presently are known from Nebraska, including one species of lizard here reported for the first time. Although Nebraska has no obvious geographic barriers within its borders, most species (50) have range limits within the state. Fourteen species have essentially statewide distributions and 12 others occur widely over eastern Nebraska. With the exceptions of the two species of leopard frogs (one found over the northern half of Nebraska and the other over the southern half) and eight species of reptiles whose distributions are strongly influenced by the Sand Hills, the remaining species …

Water Quality Of A Limited Segment Of The Big Blue River In Nebraska, Marvin C. Williams, Harold G. Nagel, Clayton E. True

Transactions of the Nebraska Academy of Sciences and Affiliated Societies

A water quality study was conducted on the Big Blue River in Nebraska, U.S.A., from the city of Seward to the Kansas state line. Fifty-one sites were sampled in a five-day period in August 1973; limited sampling was also done in May 1974. The primary purpose was to evaluate the effects of the effluent of eight sewage treatment plants, located along 196 km (122 miles) of the river upon water quality of the river and to collect baseline ecological data.

The following water quality constituents were evaluated: total P, NH₃-N, N0₃-N, 0₂ (dissolved), pH, temperature, …

Transactions Of The Nebraska Academy Of Sciences Volume Xiii (1985): Table Of Contents

Transactions of the Nebraska Academy of Sciences and Affiliated Societies

Nebraska Academy of Sciences, Officers, Policy Committee .......... ii

Editorial Board, Instruction to Contributors .......... v

Membership Objectives and Friends of the Academy .......... vi

Meet Dr. Bob! (M. H. Pritchard) .......... 1

Reminiscences: My forty-year romance with malaria (G. R. Coatney) .......... 5

Biological and Medical Sciences

Mosses of the Great Plains X. The Niobrara Valley Preserve and adjacent area in Nebraska (S. P. Churchill) .......... 13

Grasshopper dietary (Orthoptera: Acrididae) from a Nebraska Sand Hills prairie (A. Joern) .......... 21

Annotated checklist of the amphibians and reptiles of Nebraska (J. D. Lynch) .......... 33

Water quality of a …

U.S./Japanese Fishery Relations: Reflections On The Past And The Unsettled Future, Matthew Axel

Marine Affairs Theses and Major Papers

U.S.-Japan fisheries history spans over a half-century of controversy. A variety of developments have taken place over this period from past to present illustrating this point. This paper will present this subject in three parts, corresponding to the historical developments that have taken place. The saga begins with U.S. post-World War II aid in rebuilding the Japanese tuna, whaling and salmon fleets. Round two examines the rapid expansion of the Japanese utilization of Alaska pollock and the development of the surimi trawlers in the early 1960s. Finally, round three, which will encompass the majority of the subject matter discussed, begins …

Cooperatives: Their Effectiveness And Limitations For Small-Scale Fisheries Development, Hiroaki Yonesaka

Marine Affairs Theses and Major Papers

Increased experience in fisheries cooperatives of developing countries has called into question a long-held presumption about their desirability and feasibility. In this context, this study attempts to reformulate the cooperative approach for small-scale fisheries in a realistic policy framework. First, past failures of fisheries cooperatives are analyzed from three different angles: the uniqueness of the fishing industry, systems intrinsic to the cooperative, and development policy. Second, various possibilities of building viable cooperatives are explored by introducing two key concnpets: the strategic option and the operational option. On the one hand, the strategic option implies that it is imperative to integrate …

The New England Fishing Industry: A Case For Altering Conditions Of Competition In Both The Fishery And In The Market, William Joseph Brennan

Marine Affairs Theses and Major Papers

The New England fishing industry is presented in detail including an historical review, a discussion of current difficulties, and an examination of the public policy dilemma between resource conservation and industry promotion. Continuing efforts to revitalize the United States fishing industry are discussed and underlying problems that have had a negative impact upon the New England industry are outlined. Finally, an alternative public policy approach is developed which addresses fundamental difficulties in the new England region. This approach calls for an elimination of federal financial assistance to the fishing industry and a reduction in the amount of fishery imports reaching …

Biology Of The Antarctic Krill (Euphausia Superba) And Fisheries Management Under The Convention On The Conservation Of Antarctic Marine Living Resources, Randa Ali Mansour

Marine Affairs Theses and Major Papers

Interest in the development of a commercial fishery for Antarctic krill, the lack of a legal regime to govern and promote rational exploitation of Antarctic living resources, and a desire to avoid future conflicts between claimants and non-claimants regarding the control of an Antarctic marine fishery, as well as the desire to set a precedent for management and exploitation of non-living resources were incentives for the negotiation of the Convention on the Conservation of Antarctic marine Living Resources (CCAMLR). Furthermore, the Antarctic Treaty Consultative parties wished to maintain and solidify their control and enhance their collective legitimacy in the Antarctic …

Interstate Fisheries Management Problems: The Case Of Striped Bass, Richard Randall Schneider

Marine Affairs Theses and Major Papers

The striped bass (Morone saxatilis), or rockfish, fishery has been important both commercially and recreationally for decades along the Atlantic seaboard. In recent years, though, the fishery has undergone a serious decline and, as a result, has elicited considerable public concern. Although specific reasons for the decline have not been pinpointed, it is clear that inconsistent management practices within the range of striped bass have done little to help the fishery's condition. An anadromous species, striped bass spawn in the fresh water reaches of estuaries, after which many of the individuals return to the coastal ocean. In the Atlantic, the …

Description Of The Form Of Wing-Flashing Behavior In Northern Mockingbirds (Mimus Polyglottos), Lyn M. Harper, Kathryn J. Schneider

Honors Theses

The purpose of this study was to describe the form and location of wing-flashing behavior in mockingbirds and to identify differences in flashing between young and adult birds through film analysis techniques and observation. Subjects consisted of 50 mockingbirds from the University of Richmond campus. Analyses of the data suggested that there were three types of wing-flashes based on degree of wing extension. Flashes were most likely to occur in direct sunlight and in grass. No significant differences in the form of flashes between adult and juvenile mockingbirds were found. It is hoped that this study will provide insight into …

The Effect Of Bilateral Adrenalectomy On The Electrocardiogram Of Meriones Unguiculatus, Jeff A. Brown

Honors Theses

The effects of adrenalectomy on the heart rate and electrical potentials of the heart of the Mongolian gerbil were studied (using an EKG) in an attempt to determine in hyperkalemia is the cause of its short survival time following adrenal ablation.

The Distribution Of The Ctenophore, Mnemiopsis Leidyi (A. Agassiz), In A Vertical Thermal Gradient, James J. Leder Iii

Honors Theses

The distribution of organisms in an estuary is affected by a plethora of environmental factors. The ctenophore, Mnemiopsis leidyi, is found to exists over a wide range of these factors, temperature and salinity in particular, allowing it to occupy the estuary year round and make use of low salinity areas unavailable to most marine organisms.

Microbial Manganese Reduction By Enrichment Cultures From Coastal Marine Sediments, David J. Burdige, Kenneth H. Nealson

OES Faculty Publications

Manganese reduction was catalyzed by enrichment cultures of anaerobic bacteria obtained from coastal marine sediments. In the absence of oxygen, these enrichment cultures reduced manganates when grown on either lactate, succinate, or acetate in both sulfate-free and sulfate-containing artificial seawaters. Sodium azide as well as oxygen completely inhibited microbial manganese reduction by these enrichment cultures, whereas molybdate had no effect on them. The addition of nitrate to the medium slightly decreased the rate of Mn²⁺ production by these enrichment cultures. These findings are consistent with the hypothesis that the manganese-reducing organisms in these enrichment cultures use manganates as terminal …

Aspects Of Mitochondrial Oxidative Metabolism, Leslie Kushner

Dissertations, Theses, and Capstone Projects

The effects of metabolic intermediates and coenzymes on the activities of fatty acyl-CoA synthetase and carnitine palmitoyltransferase (CPT) in rat heart mitochondria were studied. ADP and palmitoyl-l-carnitine were weak inhibitors of fatty acyl-CoA synthetase. CPT A was inhibited 59.3% by 100 (mu)M succinyl-CoA. However, succinate thiokinase activity in rat heart cytosol was too low to maintain a succinyl-CoA concentration sufficient to affect the activity of CPT A. There was no indication that fatty acid oxidation in rat heart mitochondria is controlled via the regulation of either CPT A or fatty acyl-CoA synthetase.

The dependence of the oxidation of unsaturated fatty …

A Survey Of Cattle Ectoparasites And A Study Of Psoroptic Mange In Southeast Georgia, Anne-Marie A. Callcott

College of Graduate Studies: Theses & Dissertations (1964–2006)

A comparison of traditional scrapings vs. a vacuum cleaner method of collecting cattle ectoparasites determined the vacuum method to be as efficient as the scraping method for collecting Psoroptes ovis, and possibly as effective for collecting Bovicola bovis.

In a survey of cattle ectoparasites in southeast Georgia, using the vacuum method, B. bovis were collected from cattle in a sales barn with an average of 15% parasitism from January 21 to March 18, 1985. Private herds sampled by the vacuum method, showed no ectoparasites. Cattle grubs (Hypoderma lineatum) were found on cattle in a sales barn from …

Bionomics Of Culicoides Spp. (Diptera: Ceratopogonidae) From A Coastal Georgia Barrier Island, George J. Magnon

College of Graduate Studies: Theses & Dissertations (1964–2006)

The seasonal abundance of adult Culicoides spp. on a coastal Georgia barrier island was determined during a 20-month period, September 1983 through May 1985 by CO₂-baited CDC miniature light traps and sticky cylinder traps.

A total of 220,670 adult biting midges representing nineteen species and including the first report of C. loughnani Edwards in Georgia was collected. Culicoides furens (Poey), C. hollensis (Melander and Brues), and C. melleus (Coquillett) were the most abundant. Culicoides furens was abundant from early spring to late fall. Culicoides hollensis and C. melleus were bimodal with spring and fall abundance, but C. melleus …

Iowa Science Teacher Section Fall Conference, 1985, Iowa Academy Of Science

Iowa Academy of Science Documents

Contents:

--- Featured Speaker: George Vanerkurr
--- Iowa Academy of Science 1985-86 Officers
--- Sessions
--- Iowa Science Teachers Outstanding Service Award for 1985: Roy D. Unruh
--- Presidential Award for Excellence in Science Teaching 1985: Donald A. Schaefer
--- Iowa Academy of Science Excellence in Science Teaching Awards, Spring 1985
--- Exhibitors
--- 1985 Fall Conference Committee

A Phylokaryotypic Evaluation Of The Genus Tursiops (Family Delphinidae), Melissa Kay Estes

Dissertations and Theses

In an attempt to correlate genetic data with possible species delineation, this study investigates the presence of chromosomal variants between the North Atlantic bottle nose dolphin, Tursiops truncatus, and the North Pacific bottle nose dolphin, T. gilli. Blood samples were obtained from oceanaria in the United States. Location of capture was correlated with karyotype to compare chromosome morphology with geographic range.

Assessing For The Risk Factors Of Cardiovascular Disease, Brenda L. Weihl

Theses

The purpose of this study was to develop and test the Wholistic Lifestyle Assessment as a tool to predict the risk factors of cardiovascular disease. Experiment 1 was conducted as a pilot study at Hope Presbyterian Church. Experiment 2 was conducted at the Spring Fitness Festival at the Bridgeton Community Center. There were 52 volunteers at the Fitness Festival who completed the questionnaire. The Wholistic Lifestyle Assessment included questions on demographic information, family history, and both direct and indirect questions related to the risk factors of cardiovascular disease. Mean scores and standard deviations were calculated for all variables . Pearson …

Development And Life Cycles, Gerald D. Schmidt

Harold W. Manter Laboratory of Parasitology: Faculty Publications

Embryological development and biology of the Acanthocephala occupied the attention of several early investigators. Most notable among these were Leuckart (1862), Schneider (1871), Hamann (1891 a) and Kaiser (1893). These works and others, including his own observations, were summarized by Meyer (1933) in the monograph celebrated by the present volume. For this reason findings of these early researchers are not discussed further, except to say that it would be difficult to find more elegant, detailed and correct studies of acanthocephalan ontogeny than those published by these pioneers.

Since Meyer's monograph, many studies have been published on most aspects of …

A List Of Records Of Freshwater Aspidogastrids (Trematoda) And Their Hosts In North America, Sherman S. Hendrix, Malcolm F. Vidrine, Raymond H. Hartenstine

Harold W. Manter Laboratory of Parasitology: Faculty Publications

Published records for the six species of North American freshwater aspidogastrid trematodes from molluscs and vertebrates have been compiled, listing both hosts and localities for state or province. Seventeen new unionid mussel hosts (Bivalvia) are reported for Aspidogaster conchicola along with new state records for Arkansas, Connecticut, Delaware, Maryland, Mississippi, North Carolina, New York, Virginia, and San Luis Potosi (Mexico); 12 new unionid host species for Cotylaspis insignis, with new state records for Arkansas, Delaware, Massachusetts, Mississippi, New Jersey, Rhode Island, and Wisconsin; five new unionid hosts for Cotylogaster occidentalis, with new state records for Connecticut, Delaware, Florida, …

The Pentastomid Sebekia Mississippiensis Sp. N. In The American Alligator And Other Hosts, Robin M. Overstreet, J. Teague Self, Kent A. Vliet

Harold W. Manter Laboratory of Parasitology: Faculty Publications

Sebekia mississippiensis sp. n. is described from Alligator mississippiensis in Louisiana, Mississippi, and Florida. Closely related to S. oxycephala in South American crocodilians, it differs by having a smaller and less spinous hook shield, a broader base for the posterior extensions of the oral cadre. and a thinner and more delicate tegument. The male reproductive system differs somewhat from that described for other pentastomids. Nymphs parasitize several fishes as well as turtles, snakes, and mammals.

Introduction [To Biology Of The Acanthocephala], Brent B. Nickol

Harold W. Manter Laboratory of Parasitology: Faculty Publications

Introduction to Biology of the Acanthocephala, edited by D.W.T. Crompton and Brent B. Nickol; Cambridge University Press, 1985.