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Diving Birds Of North America: Literature Cited, Paul A. Johnsgard

Diving Birds of North America by Paul A. Johnsgard

14 pages, with more than 500 references.

Tropical Oil Pollution Investigations In Coastal Systems (Tropics): Final Report, T. G. Ballou, Richard E. Dodge, S. C. Hess, A. H. Knap, T. D. Sleeter

Marine & Environmental Sciences Faculty Reports

No abstract provided.

Antibiotic Effects On Coliform Enumeration, Keith Leonard Wozniak

Masters Theses

The inhibitory effects of Bacillus polymyxa on Escherichia coli were studied. Significant coliform inhibition was observed. The inhibitory agent (presumably polymyxin) was active against coliforms after a one hour holding time. Different suspending menstrua were analyzed for their effects on coliform inhibition. It was observed that Peptone water provided the highest recovery of coliforms while phosphate buffer provided less protection. Two methods of enumeration were also studied as to their ability to quantify coliforms inhibited by B. polymyxa. Comparable inhibition was shown using both methods. No significant differences exist between the Standard Plate Count and Membrane Filter techniques. Overall, …

Distribution And Status Of Rare And Endangered Mussels (Mollusca: Margaritiferidae, Unionidae) In Arkansas, John L. Harris, Mark E. Gordon

Journal of the Arkansas Academy of Science

Knowledge of the distribution and population status of freshwater bivalves occurring in Arkansas has increased markedly during the past decade. Sufficient data has become available to delineate species which are rare and/or endangered within the state. Historical and recent records from Arkansas exist for four mussels currently listed as federally endangered species: the fat pocketbook (Potamilus capax), the pink mucket (Lampsilis orbiculata), Curtis' pearly mussel (Epioblasma florentina curtisi), and the turgid-blossom pearly mussel (Epioblasma turgidula). Ten additional mussels which occur or were thought to occur in Arkansas are being considered for federal protection by the United States Fish and Wildlife …

Effects Of Barley Yellow Dwarf Virus On The Biology Of The Bird Cherry-Oat Aphid, Rhopalosiphum Padi (L.), J. E. Araya, John E. Foster

Department of Entomology: Faculty Publications

Diverse parameters of the life cycle of Rhopalosiphum padi (L.), maintained on leaf sections of healthy or BYDV (PA V strain)·infected wheat and oat plants, were compared in the laboratory at 18 ± 1 C. The aphids reared on infected ",heat leaf sections had a shorter lifespan and adult Jife (P<= 0.05) than on uninfected wbeat (23.7 and 27.5 days for lifespan, and 17.9 and 21.4 days for adult life, respectively). Tbe BYDV-infection on wheat (cvs. 'Abe' and 'Caldwell') increased (P<= 0.05) the reproductive ability of the aphid from 73.9 to 78.1 nymphs per female (5.9 to 6.5 nymphs per day during the reproductive period). No significant dilTerences were detected when using oa15 (cvs. 'ClintIand 64' and 'Porter').

Natural Enemies Of Rice Leaf Folder Cnaphalocrocis Medinalis (Guenée) —A Critical Review, R. C. Joshi, E. P. Cadapan, Elvis A. Heinrichs

Department of Entomology: Faculty Publications

A chronological review of the biological control agents of rice leaf folder, Cnaphafalocrocis medinalis Guenée, including the stage of host attacked in different countries, their activity and suggestions for future.

The rice leaf folder, Cnaphalocrocis medinalis Guenée, which was a pest of minor importance till the last decade, recently has assumed major importance in many rice ecosystem of Asia, the South Pacific Islands, Hawaii and Australia (Hirao, 1982). Increasingly frequent outbreaks of this pest (Table I) in recent years have been attributed to the introduction of modern rice technologies, namely: Continuous and overlapping cropping (Rajamma and Das, 1969); introduction of …

T–Z, Anonymous, Stephen L. Wood, Donald E. Bright Jr.

Great Basin Naturalist Memoirs

No abstract provided.

Interaction Between X-Irradiated Plateau-Phase Bone Marrow Stromal Cell Lines And Co-Cultivated Factor-Dependent Cell Lines Leading To Leukemogenesis In Vitro, E. Naparstek, P. Ankleasria, T. J. Fitzgerald, M. A. Sakakeeny, J. S. Greenberger

Scanning Microscopy

Plateau-phase mouse clonal bone marrow stromal cell lines D2XRII and C3H c1 II produce decreasing levels of M-CSF (CSF-I), a specific macrophage progenitor cell humoral regulator, following x-irradiation in vitro. The decrease did not go below 40% of control levels, even after irradiation doses of 50,000 rad (500 Gy). In contrast, a distinct humoral regulator stimulating growth of GM-CSF/IL-3 factor-dependent (FD) hematopoietic progenitor cell lines was detected following radiation to doses above 2,000 rad. This humoral factor was not detectable in conditioned medium from irradiated cells, weakly detected using factor-dependent target cell populations in agar overlay, and was prominently detected …

Early Scanning Electron Microscopic Studies Of Hard Tissue Resorption: Their Relation To Current Concepts Reviewed, A. Boyde, S. J. Jones

Scanning Microscopy

This paper highlights some observations made by the authors in SEM studies of hard tissue resorption and considers their significance in relation to current concepts. All mammalian mineralised tissues may undergo physiological resorption, the resulting surface reflecting the density of mineralisation and the organic matrix chemistry, organisation and orientation. Resorption-repair coupling may follow the resorption of any tissue, but SEM studies first noted this process in the case of the dental tissues. The difference between fetal and adult bone formation and resorption provided evidence against the concept of osteocytic osteolysis. SEM stereophotogrammetric methods for the quantitation of individual resorption lacunae …

The Effect Of Soil Storage Methods And Soil Microbes On Carbofuran And Terbufos Degradation, Muriel Monteleone Runholt

Electronic Theses and Dissertations

The purpose of this research was to determine optimal soil storage methods for soils used in carbofuran and terbufos degradation studies. The effect of soil microbes on degradation was also observed. An LD₅₀ study, using 22 day old crickets (Acheta domestica), was undertaken to establish the appropriate LC dose for carbofuran in the soil storage studies. A carbofuran use history failure soil and a noninsecticide use history soil of the same type were collected from the SDSU experimental farm in Centerville, South Dakota. After initial degradation and microbial analysis, the soils were stored air-dried and with a moisture level …

An Analysis Of Factors Affecting The Status Of Evolution As A Topic In Iowa High School Biology Classrooms, Heidi Ann Andre

Dissertations and Theses @ UNI

This study was designed to determine the status of evolution as a topic in Iowa high school biology classrooms. The extent of its coverage, as well as the type of understanding exhibited by the teacher, was viewed in light of the teachers' religious background, community opinion and college training. Two survey instruments were utilized to gather data. Instrument One was designed to quantitatively examine the structure of Iowa high school biology classes, textbooks used and the educational background of the teachers. Instrument Two was constructed to analyze Iowa biology teachers' self-perceived religious and scientific backgrounds relative to their treatment of …

Breeding Biology Of The Great Crested Flycatcher, Myiarchus Crinitus, (Linnaeus) In Central Florida, Mark A. Kershner

Retrospective Theses and Dissertations

No abstract provided.

The Occurence Of C4-Photosynthetic Plants In Cedar Glades, Jamie S. Ross

Honors Theses

This project began as a continuation and extension of upper level undergraduate biological study in Plant Taxonomy. It began over a year ago with the collection of plant specimens in the early spring of 1983 and continued throughout that year and into the summer of 1984. The latter half of the project entailed mainly laboratory and library work related to the plant specimens. Collecting was done in Chickamauga Battlefield and was made possible by the granting of a collecting permit by the National Park Service. The collection was restricted to herbaceous vascular plants and most of these were summer annuals. …

The Question Of Animal Awareness, Francoise Wemelsfelder

Sentience Collection

The problem of animal awareness lies at the interface of science and philosophy. As a starting point for the study of phenomena such as awareness, mind, consciousness, etc., we hardly have any reference other than our own human experience and in the context of a nondualistic ontology this can be justified. In philosophy and psychology it appears to be very difficult to give direct operational definitions of terms such as consciousness, etc. So we might expect this to be even more difficult in the study of animals. A detailed knowledge of animals and their behaviour is necessary in order to …

Advances In Animal Welfare Science 1984/85, M. W. Fox, L. D. Mickley

eBooks

This book, the first in an annual series, written by academicians--scientists, philosopher and other--is not intended exclusively for animal welfarists and conservationists. Since it is written by scholars, it will appeal to a wide range of academic and professional readers who are involved with animals for scientific, economic, altruistic, and other reasons. While this first volume cannot cover the entire spectrum of animal welfare science-related topics, it does, in its diversity of contributions, demonstrate the multi-faceted and interdisciplinary nature of the subject of this new series.

Autecology Of The Black Needlerush Juncus Roemerianus, Lionel N. Eleuterius

Gulf and Caribbean Research

Juncus roemerianus generally occupies the upper half of the intertidal plane and covers about 92% or 25,000 hectares of marsh in Mississippi. The vegetative canopy is best described as a series of disjunct and intergrading populations. Considerable phenotypic variation and differences in standing crop exist between populations. J. roemerianus has very wide environmental tolerances in comparison to all other tidal marsh angiosperms. Soil types inhabited by the rush range from very sandy to highly organic muds and peats, which may vary in the concentration of nutrient elements (nitrogen, phosphorus and potassium). Neither soil type, nutrient concentration, water content, pH nor …

Comments On Density Inversions In Marine Shallow Waters And Beyond, Gordon Gunter, Forrest V. Durand

Gulf and Caribbean Research

It has been shown within the past 70 years that salinity and thus density inversions are often detectible in shallow bays and estuaries. This terminology means that surface salinities are sometimes higher than those at lower depths. The first such discoveries in this country were made by Sumner, Louderback, Schmitt and Johnston (1914) in San Francisco Bay. They used Negetti-Zambta reversing thermometers for temperature and silver nitrate titration for salinity determination. These were by then considered to be classical methods and had been worked out in northern Europe, mostly in Scandinavia. They were introduced to the United States Gulf Coast …

A Model Of The Population Dynamics Of The Blue Crab In Chesapeake Bay, Betty Springer Hester

OES Theses and Dissertations

This study has particular application to the blue crab fisheries in Chesapeake Bay, an economically important industry whose successful management has been hindered by relatively poor understanding of the population dynamics. Recent biological studies have indicated a systematic spawning behavior which seems designed for ejection of larvae seaward from the bay entrance where they spend their pre-metamorphosis stages in the neuston. A physical mechanism for retention of the larvae in sufficient proximity to the bay entrance for their return at the proper time which involves the action of wind stress in shallow waters is proposed. Since the supply of blue …

Kentucky's Ipm Program For Alfalfa, Chris M. Christensen

Kentucky Alfalfa and Stored Forage Conference

Integrated Pest Management (IPM) is a concept that encourages the use of a variety of strategies in the management of crop pests. It is very important to have an indepth understanding of the crop production system when implementing an IPM program. An IPM program is dynamic requiring a continual evaluation of the status of the crop, the associated pest complex, the effects of the pests and the biological deterrents to those pests. If a pest population gets "out of hand" and begins to cause economic damage, pest management techniques may need to be applied. These pest management measures may be …

Cranes Of The World: Black-Necked Crane (Grus Nigricollis), Paul A. Johnsgard

Cranes of the World by Paul A. Johnsgard

Other Vernacular Names:
None in general English use; Grue á cour noir (French); Schwarzhals Kranich (German); Cheniozheuleu zhuravl (Russian); Grulla de cue110 negro (Spanish).

Range:
Breeds from Ladakh east through Tibet (Xizang Zizhiqu) to the Koko Nor Region in eastern Tsinghai (Qinghai), probably mostly between 4,300 and 4,600 meters elevation. Migratory, and reported on migration or during winter from central and eastern Sikang, Yunnan, and Tonkin (Vaurie, 1965). Also winters in small numbers in the southern Himalayas (Bhutan and Frontier Division of Subansiri Pradesh) at elevations of 1,500-3,000 meters (Ali, 1976).

Effects Of Saltwater Intrusion From The Inner Harbor Navigation Canal On The Benthos Of Lake Pontchartrain, Louisiana, Jane A. Junot, Michael A. Poirrier, Thomas M. Soniat

Gulf and Caribbean Research

A study of the benthos of southern Lake Pontchartrain, Louisiana, was conducted from July 1976 to July 1978. Seven offshore stations and three stations in the New Orleans Marina complex were sampled seasonally. Offshore stations formed a transect from the Lake Pontchartrain Causeway to the Inner Harbor Navigation Canal (I.H.N.C.). A west to east gradient of increasing salinity and salinity stratification was evident.

Faunal differences among stations were assessed using indices of diversity, biological dominance, pollution, and station homogeneity. The fauna of the marina stations had a low species diversity and was dominated by annelids, indicative of a stressed environment. …

Agricultural Experiment Station News June 1982

Agricultural Research Division: News and Annual Reports

CONTENTS:
From the Director’s Desk
Widaman Trust Awards to Twelve
SAHS SEZ
New AES Project Outline Format
NEW AND REVISED PROJECTS
Grants and Contracts
New Experiment Station Personnel
Journal Articles - Submitted for Publication
Journal Abstracts - Submitted for Publication
BULLETINS PRINTED
CALENDAR OF EVENTS - SUMMER, 1982

Western White Pine: The Effect Of Clone And Cone Color On Attacks By The Mountain Pine Cone Beetle, Michael J. Jenkins

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The relationship between clone and cone color in western white pine, Pinus monticola Douglas, to attack by the mountain pine cone beetle, Conophthorus monticolae Hopkins, was studied in the Sandpoint Seed Orchard, Idaho. A positive relationship was shown to exist during a 5 year field evaluation. Cone beetles were found to prefer dark colored cones and to attack certain clones at a higher rate than others.

Laboratory dissections did not indicate that cone color affected oviposition, brood development or brood mortality.

Olfactometer experiments demonstrated that olfactory stimuli are involved in the cone beetle attack sequence. Visual cues relating to cone …

Assessment Of The Impact Of The European Corn Borer At Three Locations In South Dakota, David R. Raemisch

Electronic Theses and Dissertations

The European corn borer (Lepidoptera: Pyralidae) varies as an

economically significant pest in South Dakota from south to north. In

the northern part of the state the European corn borer (ECB) is limited

to one generation per year. In contrast, there are localized sites

along the Missouri River in southern South Dakota which usually

experience a substantial second brood population. Infestation by

either first or second brood ECB occurs at different stages in the

developmental sequence of the corn plant. As such, each brood must be

considered separately when assessing relationships between yield loss

and ECB larval cavities within the …

A Bibliography Of Varietal Resistance To The Rice Gall Midge, Orseolia Oryzae (Wood-Mason), P. K. Pathak, E. A. Heinrichs

Department of Entomology: Faculty Publications

This bibliography contains 330 published and unpublished references for the period 1881-1981. References are arranged alphabetically by author and are also classified by country and by subjects (mass rearing, screening, evaluation and utilization of resistant varieties, breeding for and inheritance of resistance, and biotype variation). Tables list resistant varieties identified, varietal sources used in breeding programs, varieties which have been released for cultivation by farmers and biotype classification.

Local Microwave Hyperthermia In Cancer Therapy. Preliminary Report, Carlos A. Perez, Walter Kopecky, Robert Baglan, D. Venkata Rao, Richard Johnson

Henry Ford Hospital Medical Journal

No abstract provided.

The Yellowjackets Of America North Of Mexico, Roger D. Akre, Albert Greene, John F. Macdonald, Peter J. Landolt, Harry G. Davis

A

This volume is a compendium of data on the pestiferous vespines (hornets and yellowjackets) of the United States and Canada. Sections cover taxonomy, biology, economic and medical importance, and control. Illustrated keys are included for rapid identification of species, and a glossary defines many of the unusual terms used in the text.

A Multivariate Study Of The Family Molossidae (Mammalia, Chiroptera) : Morphology, Ecology, Evolution, Patricia W. Freeman

University of Nebraska State Museum: Mammalogy Papers

The purpose of my study is to examine as many species of the family Molossidae as possible and to determine, with the aid of numerical methods, what natural groups exist within the family. Sneath & Sokal (1973) discuss the methods and reasons for this kind of analysis. A natural group of organisms as here defined is one in which its members share a close phenetic relationship. Phenetic relationship is defined as "similarity (resemblance) based on a set of phenotypic characteristics of the objects or organisms under study," (Sneath & Sokal, 1973, p. 29), and is distinct in definition from phylogenetic …

Local Microwave Hyperthermia In Cancer Therapy: Preliminary Report, Carlos A. Perez, Walter Kopecky, Robert Baglan, D. Venkata Rao, Richard Johnson

Henry Ford Hospital Medical Journal

This report summarizes our preliminary experience at the Mallinckrodt Institute of Radiology treating 26 patients with metastatic tumors with hyperthermia and irradiation. Patients received 400 rad fractions given every 72 hours (twice weekly) for a total of 2400, 2800, 3200, or 4000 rad followed by hyperthermia. In addition, 18 lesions were treated according to a protocol designed by the Radiation Therapy Oncology Group (RTOG) for superficial measurable tumors to receive three doses of 500 rad followed by hyperthermia (six lesions) or irradiation alone (three doses of 600, 700, or 800 rad) every 72 hours. Hyperthermia was administered with 2450 MHz …

Invertebrate Lebensspuren Of Holocene Floodplains: Their Morphology, Origin And Paleoecological Significance, Brett C. Ratcliffe, J. A. Fagerstrom

University of Nebraska State Museum: Entomology Papers

Although rocks of floodplain origin are volumetrically important, they contain relatively few trace fossils; both abundance and diversity are low. Conversely, Holocene floodplain sediments locally contain abundant and diverse lebensspuren mostly produced by insects, spiders, nematodes, annelids and molluscs. At least 8 insect orders and 31 families include species that burrow in floodplain sediments and yet none of their lebensspuren are unique to this environment. Taxonomically dissimilar insects produce morphologically similar lebensspuren, and the same species, or individual, may produce very dissimilar lebensspuren. Thus, identification of tracemakers for rocks of floodplain origin is as difficult as for marine rocks. Trace …