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Articles 75511 - 75540 of 78626
Full-Text Articles in Entire DC Network
Altered Volcanic Ash Partings In The C Coal Bed, Ferron Sandstone Member Of The Mancos Shale, Emery County, Utah, United States Geological Survey
Altered Volcanic Ash Partings In The C Coal Bed, Ferron Sandstone Member Of The Mancos Shale, Emery County, Utah, United States Geological Survey
All U.S. Government Documents (Utah Regional Depository)
When volcanic ash falls onto the surface of a peat-forming swamp and is then covered by peat, it forms a horlzontal parting that can be recognized in the subsequent coal bed. As a consequence of the acid leaching environment in the swamp, the original glassy component and some of the less resistant pyrogenic minerals in the ash alter to clay minerals, usually kaolinite.
Selected Biological Characteristics Of Streams In The Southeastern Uinta Basin, Utah And Colorado, United States Geological Survey
Selected Biological Characteristics Of Streams In The Southeastern Uinta Basin, Utah And Colorado, United States Geological Survey
All U.S. Government Documents (Utah Regional Depository)
Biological sampling was carried out during 1976-78 in five streams in the southeastern Uinta Basin, Utah and Colorado, in order to provide baseline water-quality data for an area of potential oil-shale development. The biological activity in the streams sampled generally is limited by physical factors more so than by chemical constituents and plant nutrients. Characteristics of streamflow, such as high turbidity, fluctuating water levels, and moderate to high salinity, limit production of flora and fauna biomass.
Wild Ungulate Forage Requirements -- A Review, United States Bureau Of Land Management
Wild Ungulate Forage Requirements -- A Review, United States Bureau Of Land Management
All U.S. Government Documents (Utah Regional Depository)
This report discusses the nutritional and intake requirements of the major big game ungulates of North America. Forage intake rates for the various species are detailed, and major factors governing intake rates are discussed. The importance of forage nutritional value as much as quantity is emphasized, and both biotic and abiotic factors influencing forage quality are presented. Methods of forage protection and improvement are briefly defined.
A Feasibility Study Of The Biological Effects Of Fallout On People In Utah, Nevada, And Arizona, United States Department Of Health And Human Services, Bureau Of Radiological Health
A Feasibility Study Of The Biological Effects Of Fallout On People In Utah, Nevada, And Arizona, United States Department Of Health And Human Services, Bureau Of Radiological Health
All U.S. Government Documents (Utah Regional Depository)
This is the final report of the analysis of the Utah, Nevada, and Arizona Thyroid Feasibility Study. The report is divided into four sections: (1) Introduction and background; (2) Analysis of Linkage Study with the Utah Cancer Registry and Rocky Mountain Cancer Data System; (3) Evaluation of Tracing a Sample of the Original Utah, Nevada, and Arizona Study Groups; and (4) Options for Future Studies.
Preliminary Hydrologic Evaluation Of The North Horn Mountain Coal-Resource Area, Utah, M. J. Graham, John E. Tooley, Don Price, U.S. Geological Survey
Preliminary Hydrologic Evaluation Of The North Horn Mountain Coal-Resource Area, Utah, M. J. Graham, John E. Tooley, Don Price, U.S. Geological Survey
All U.S. Government Documents (Utah Regional Depository)
North Horn Mountain is part of a deeply dissected plateau in central Utah which is characterized by deep, arrow, steep-walled canyons with local relief of more that 1,000 feet. Geologic units exposed in the North Hort Mountain area range in age from Late Cretaceous to Holocene and contain two mineable seams of Cretaceous coal. The area is in the drainage basin of the San Rafael River, in the Colorado River Basin. Runoff from the mountain is ephemeral. This runoff to the San Rafael River sis by way of Cottonwood and Ferron Creeks and represents less than 10 percent of their …
Small Angle Neutron Scattering From High Impact Polystyrene, Oran Allan Pringle
Small Angle Neutron Scattering From High Impact Polystyrene, Oran Allan Pringle
Faculty Research & Creative Works
"It is difficult to imagine a world without plastics. Although the development of most modern plastic materials took place after 1930, such matria1s are so common today that the word "plastic" is often used as an adjective to connote cheapness or lack of substance. Nevertheless, it 1s important to remember that for many uses plastics offer technical and cost advantages over other materials. "Wood warps and rots, iron rusts and much glass is brittle, yet no one disputes the enormous value of the s e mate r i a 1 s. " although plastic (Bryd son, 1970, p. 7.) Similarly, …
Proton Transfers In Hydrogen‐Bonded Systems. Vi. Electronic Redistributions In (N2h7)+ And (O2h5)+, Steve Scheiner
Proton Transfers In Hydrogen‐Bonded Systems. Vi. Electronic Redistributions In (N2h7)+ And (O2h5)+, Steve Scheiner
Chemistry and Biochemistry Faculty Publications
Electronic rearrangements accompanying transfer of the central proton between the two XHn units of (H3NHNH3)+ and (H2OHOH2)+ are studied using ab initio molecular orbital methods. Electron density difference maps are calculated by subtracting the density of the equilibrium structure (X–H‐‐‐X) from that of the midpoint geometry (X‐‐H‐‐X) using the split‐valence 4‐31G basis set. Some of the features revealed by the maps are common to both systems while others indicate significant differences between nitrogen and oxygen. Decomposition of the total electron density into …
Trace Metal Pollution In Narragansett Bay: A Case Study Of The Rhode Island Quahog Fishery, Scott W. Horsley
Trace Metal Pollution In Narragansett Bay: A Case Study Of The Rhode Island Quahog Fishery, Scott W. Horsley
Marine Affairs Theses and Major Papers
This paper was written with two objectives in mind: to provide information relevant to the protection of the quahog fishery and the protection of human health. Both are threatened as hundreds of millions of gallons of industrial effluents and sewage treatment plant discharges enter Narragansett Bay daily. The implications of trace metal pollution with respect to the quahog fishery have received little attention to date. The purpose of this paper is to assemble scientific, legal, and socioeconomic information in a fashion which will direct future research and management attempts in an effective manner.
Report No 42 - A Guide To The Gazetted Rare Flora Of Western Australia, Barbara L. Rye, Stephen D. Hopper
Report No 42 - A Guide To The Gazetted Rare Flora Of Western Australia, Barbara L. Rye, Stephen D. Hopper
Fisheries Research Reports
Descriptions and illustrations are provided for the first 100 taxa which have been gazetted as rare, likely to become extinct or in need of special protection under the Wildlife Conservation Act 1950-1979. Most of these rare taxa are restricted to the South-West Botanical Province and more than one-third occur in the Albany Wildlife District.
An outline is given of the means adopted to determine which taxa are gazetted as rare, the legal provisions for their protection and the biological data being sought for their management.
Fisheries Report No 46 - The Amateur Fishery For The Western Rock Lobster, Pamela N. Norton
Fisheries Report No 46 - The Amateur Fishery For The Western Rock Lobster, Pamela N. Norton
Fisheries Research Reports
A study of the amateur fishery for the western rock Lobster, Paulinus cygnus George, was commenced by the W.A. Marine Research Laboratories in August, 1976, and was concluded in December, 1978. The main aims of this study were to collect and analyse data to give some estimate of the distribution and magnitude of this amateur fishery.
Prior to this survey, the only catch and fishing effort data available was that obtained from the commercial fishery. Data from the amateur fishery were required in order to make a full assessment of the Level of exploitation of the stocks. In addition, 144 …
Fisheries Report No 45 - The Short Term Effects Of Brush Harvesting On The Kwongan Vegetation At Eneabba, Western Australia, E. A. Griffin, A. J. M. Hopkins
Fisheries Report No 45 - The Short Term Effects Of Brush Harvesting On The Kwongan Vegetation At Eneabba, Western Australia, E. A. Griffin, A. J. M. Hopkins
Fisheries Research Reports
Areas of the kwongan vegetation south of Eneabba are currently being harvested to provide brush for rehabilitation after mining. Because of the botanical importance of the Eneabba kwongan, a study of the effects of the harvesting was initiated. Three areas with different harvest histories were sampled using quadrats paired across cut/uncut boundaries. Floristic and structural differences between quadrats and between areas were assessed. The store of seed in uncut vegetation was measured.
There was a loss of species as a result of harvesting, at least in the short-term. Many species regenerated by resprouting from buds in damaged stems or in …
Growth Characteristics Of Reef-Building Corals Within And External To A Naval Ordinance Range: Vieques, Puerto Rico, Richard E. Dodge
Growth Characteristics Of Reef-Building Corals Within And External To A Naval Ordinance Range: Vieques, Puerto Rico, Richard E. Dodge
Marine & Environmental Sciences Faculty Proceedings, Presentations, Speeches, Lectures
The skeletal growth of reef·building corals is known to be sensitive to the environment. In particular, high levels of sedimentation and turbidity lead to decreased growth rate, suppressed growth variation, and, ultimately, coral death because of reduced illumination necessary to zooxanthellae and/or increased energy expenditure by the coral animal to remove impacted sediments.
To assess the effect of Naval Ordnance Range usage at Vieques, Puerto Rico, specimens of Montastrea annulariswere collected from reefs adjacent to and removed from the range area. Growth was measured from annual increments revealed by X-radiography of medial slabs of the coral skeletons. Mean growth …
Report No 47 - 1980 Review Of Rainfall And Wetlands In The South-West Of Western Australia, J. A.K. Lane, D. R. Munro
Report No 47 - 1980 Review Of Rainfall And Wetlands In The South-West Of Western Australia, J. A.K. Lane, D. R. Munro
Fisheries Research Reports
An account is given of the biological principles involved in decisions concerning duck-shooting seasons in the south-west of Western Australia.
The conditions for waterfowl which prevailed during 1980 are described through the use of rainfall statistics and data obtained from the Department's wetland monitoring programme.
1980 was the fifth consecutive year of below-average rainfall in all five Meteorological Districts of the south-west. 1976 to 1980 was thus' the south-west's driest five-year period since 1913 at least.
Low rainfall during 1980 resulted in a further decline in the condition of wetlands throughout most of the inland south-west, Few gauged wetlands increased …
Ua66/8/3 Annual Report, Wku Geography & Geology
Ua66/8/3 Annual Report, Wku Geography & Geology
WKU Administration Documents
Annual report of activities of the WKU department of Geography & Geology.
Random Variables And A Sovereign God, Lloyd Montzingo
Random Variables And A Sovereign God, Lloyd Montzingo
ACMS Journal 2004
This paper takes a brief look at the history of conflict between the concepts of chance and divine activity. After reviewing some evidence for randomness in the universe, present philosophical and theological views from four different scientists on this subject are presented. The discussion concludes with some questions and observations concerning those questions.
The White Perch, Marone Americana (Gmelin) In Nebraska, Gene Zuerlein
The White Perch, Marone Americana (Gmelin) In Nebraska, Gene Zuerlein
Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts
The white perch, Morone americana (Gmelinl, is a member of the Percichthyidae family. It is a euryhaline species that is common along the northern Atlantic coast south to the Carolinas. Marine, estuarine and freshwater ecosystems with salinities ranging from 5 to 18 percent have been known to support white perch (Mansueti 1964). The species is semianadromous, making spawning runs up coastal streams. It commonly becomes completely landlocked in ponds and reservoirs of its native range where it spawns successfully. This species has been known as a game fish to generations of New England fishermen, but when stocked in landlocked waters …
Bibliographie Pflanzensoziologischer Arbeiten Über Die Mongolische Volksrepublik, Werner Hilbig
Bibliographie Pflanzensoziologischer Arbeiten Über Die Mongolische Volksrepublik, Werner Hilbig
Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298
Zusammenfassung
Die Bibliographie enthält pflanzensoziologische und vegetationsökologische Veröffentlichungen aus dem Gebiet der Mongolischen Volksrepublik (MVR) von den zwanziger Jahren bis zum Jahre 1979. Es werden 217 Arbeiten zitiert. Der Großteil dieser Publikationen stammt aus der Feder sowjetischer Geobotaniker,
Experimental Summaries., M W. Perry, R N. Weir
Experimental Summaries., M W. Perry, R N. Weir
Experimental Summaries - Plant Research
Wheat Yield Potential Trials, 81BA4, 81WH7, 81KAS.Wheat-Regenerating Sandplain Lupin Rotation Trials, 79GE38, 79GE42.Nitrogen x Cycocel x Foliar Nutrients x Fungicide-on Wheat,81KA6. Historical Wheat Trials, 81A3, 81C4, 81SG22, 81WH6. Time of Planting on Cereal Yields, 81NA8, 81KA55.
Timber Supply From Private Nonindustrial Forests, Clark Shepard Binkley
Timber Supply From Private Nonindustrial Forests, Clark Shepard Binkley
Yale School of the Environment Bulletin Series
No abstract provided.
Treating Saltland, Department Of Agriculture, Western Australia
Treating Saltland, Department Of Agriculture, Western Australia
Journal of the Department of Agriculture, Western Australia, Series 4
No abstract provided.
Environmental Quality 1980 - Hillsborough County Florida, Hillsborough County Environmental Protection Commission
Environmental Quality 1980 - Hillsborough County Florida, Hillsborough County Environmental Protection Commission
Reports
This report summarizes at least 111,497 air pollutant samples collected at about 86 sampling stations throughout Hillsborough County during 1980. Enclosed maps attempt to depict the cleaner and dirtier areas of Hillsborough County, while data summaries show where and how often air quality standards were exceeded during 1980.
This broad base of water data obtained during 1972-1980 provides useful background data for eventual development, revision and enforcement a f regulations, standard effluent limi tation plans, or programs established under the Federal Water Pollution Control Act of 1972.
Spezialistenverzeichnis Für Die Bearbeitung Der Arthropodenfauna Der Mvr, Manfred Dorn, Michael Stubbe
Spezialistenverzeichnis Für Die Bearbeitung Der Arthropodenfauna Der Mvr, Manfred Dorn, Michael Stubbe
Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298
Seit mehr als 20 Jahren führen Biologen der Staatlichen Mongolischen Universität Ulan-Bator und von Akademie-Instituten der Mongolischen Volksrepublik gemeinsam mit Zoologen und Botanikern befreundeter wissenschaftlicher Partnereinrichtungen insbesondere der DDR, der UdSSR, der CSSR sowie der Volksrepublik Ungarn in großem Umfang Expeditionen zur Erforschung der biologischen Ressourcen der MVR durch. Im Rahmen dieser Expeditionen wurde unter anderem ein umfangreiches Arthropodenmaterial gesammelt, dessen Bearbeitung einen wesentlichen Beitrag zur Erschließung der mongolischen Entomofauna darstellt. Von besonderer Bedeutung sind die Veröffentlichungen in der bereits auf 7 Bände angewachsenen Publikationsreihe "Nasekomye Mongolii" (Leningrad), die Ergebnisse der Expeditionen von Dr. Z. KASZAB (Budapest) sowie jene der …
Die Entwicklung Der Lehrstühle Für Zoologie Und Botanik An Der Mongolischen Staatsuniversität Ulan-Bator, Naniragijn Dawaa, Zedengijn Schamsran
Die Entwicklung Der Lehrstühle Für Zoologie Und Botanik An Der Mongolischen Staatsuniversität Ulan-Bator, Naniragijn Dawaa, Zedengijn Schamsran
Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298
Describes the history of the Zoology and Botany Departments in the National University of Mongolia before 1981.
Die Entwicklung Der Zasammenarbeit Auf Biologischem Gebiet Zwischen Der Mvr Und Ddr Seit 1962, Michael Stubbe, Naniragijn Dawaa, Werner Hilbig, Zedengijn Schamsran
Die Entwicklung Der Zasammenarbeit Auf Biologischem Gebiet Zwischen Der Mvr Und Ddr Seit 1962, Michael Stubbe, Naniragijn Dawaa, Werner Hilbig, Zedengijn Schamsran
Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298
Mit zwei großen komplexen biologischen Sammelexpeditionen 1962 und 1964 der Akademien der Wissenschaften der DDR und MVR in die Süd- und Westmongolei wurde der Grundstein für die kontinuierliche Entwicklung der Wissenschaftskooperation auf biologischem Gebiet zwischen beiden Staaten gelegt. Die Kollektionen wurden zum Grundstock eines aufzubauenden botanischen und zoologischen Sammlungsfundus in Ulan-Bator. Durch den Freundschaftsvertrag zwischen den Universitäiten Halle und Ulan-Bator im Jahre 1967 wurden die Kontakte neu aktiviert. Nach anfänglich sporadischen Studienaufenthalten und Expeditionsreisen von Einzelwissenschaftlern wurde das Forschungsprogramm auf biologischem Gebiet im Rahmen dieses Freundschaftsvertrages recht bald auf Schwerpunktaufgaben ausgerichtet, die sich lückenlos in das Forschungsprofil des mongolischen Vertragspartners …
Die Erforschung Der Herpetofauna Der Mongolischen Volksrepublik: Situation Und Perspektiven, Günther Peters
Die Erforschung Der Herpetofauna Der Mongolischen Volksrepublik: Situation Und Perspektiven, Günther Peters
Erforschung biologischer Ressourcen der Mongolei / Exploration into the Biological Resources of Mongolia, ISSN 0440-1298
First paragraph:
Die Landschaften der Mongolei sind arm an Reptilien- und Amphibienarten. Dieser Umstand mag die Frage aufwerfen, ob herpetologische Untersuchungen in Beschränkung auf das Territorium der MVR eine nennenswerte Perspektive haben könnten, nachdem Artenspektrum und Verbteitung der Species annähernd vollständig erkundet sind. Ein Herpetologe wird zweifellos für seine Arbeit auch in diesem Land eine Zukunft sehen, doch muß wohl von vornherein eingestanden werden, daß das Volumen der Probleme dieses Faches hinter denen der übrigen Disziplinen der Vertebratenzoologie und der Entomologie in einem bescheidenerem Rahmen verbleibt. Dies gilt sowohl im rein wissenschaftlichen als erst recht auch im angewandten Bereich ihrer …
Simulating The Water Requirements And Economic Feasibility Of Corn In The Midwest, Wendi L. Palmer, B. J. Barfield, M. E. Bitzer, C. T. Haan
Simulating The Water Requirements And Economic Feasibility Of Corn In The Midwest, Wendi L. Palmer, B. J. Barfield, M. E. Bitzer, C. T. Haan
KWRRI Research Reports
An evaluation of the economics of supplemental irrigation when using a surface water supply must be site specific in order to account for variations in soil moisture holding capacity, watershed area supplying the runoff, climatic conditions, and proposed irrigation management procedures.
With the use of farm specific simulation models to determine grain yields, availability of irrigation water, and economic expenditures involved in irrigation, an economic evaluation of supplemental irrigation can be performed, In the model presented in this report, the Duncan SIMAIZ model is used to predict grain yields using long-term daily weather information. SIMAIZ also determines irrigation water demand …
Iowa Academy Of Science Leadership Directory And Membership List, 1981-82, Iowa Academy Of Science
Iowa Academy Of Science Leadership Directory And Membership List, 1981-82, Iowa Academy Of Science
Iowa Academy of Science Documents
Contents:
Board of Directors ... 2
Section Chairs ... 3
Section Vice Chairs ... 6
Committees ... 8
Past Presidents ... 22
Award Recipients ... 23
Membership Roster ... 27
Constitution, Article III ... 42
University Of Texas At Tyler Catalog, 1981-1982, University Of Texas At Tyler
University Of Texas At Tyler Catalog, 1981-1982, University Of Texas At Tyler
Catalogs
No abstract provided.
Growth And Survival Of Largemouth Bass In Newly Stocked South Dakota Impoundments, Clifton C. Stone
Growth And Survival Of Largemouth Bass In Newly Stocked South Dakota Impoundments, Clifton C. Stone
Electronic Theses and Dissertations
The present study was designed to evaluate the effect of five different stocking combinations and differences in climatic and morphological conditions within South Dakota on initial growth and survival of the largemouth bass (Micropertus salmoides). Forage species stocked with bass included gold shiners (Notemigonus crysoleucas), fathead minnow (Pimephales promelas), black bullhead (Ictalurus melas), and bluegill (Lepomis macrochirus). Bass only stocking was also evaluated. First eyar survival values for 16 eastern South Dakota ponds ranged from 1 to 100%, with a mean of 50.2%. Bass exhibited poorest survival when stocked with black bullheads. Analysis of variance indicated no significant difference (P …
Initial Growth And Survival Of Bluegills And Black Bullheads Stocked With Largemouth Bass In South Dakota Ponds, James J. Shelley
Initial Growth And Survival Of Bluegills And Black Bullheads Stocked With Largemouth Bass In South Dakota Ponds, James J. Shelley
Electronic Theses and Dissertations
Initial growth and survival rates were estimated for bluegills (Leponis macrochirus) and black bullheads (Ictalurus melas) stocked simultaneously with largemouth bass (Micropterus salmoides) in ponds throughout South Dakota. Mean first year survival for bluegills and black bullheads stocked in eastern South Dakota ponds was 28.6% and 67.7%, respectively. Differences in first year bluegill growth throughout the state were not detected. Total lengths for bluegills averaged 52.4 mm after one growing season statewide and 137.1 mm after two growing seasons in southeastern South Dakota ponds. Significant (P<.05) geographical differences in first year growth of black bullheads were detected with mean lengths ranging from 67.7 mm in northwest ponds to 115.5 mm in southeast ponds. The average total length for black bullheads after two growing season in southeastern South Dakota ponds was 215.2 mm. The combined effects of pH, turbidity, and bicarbonate alkalinity accounted for 67.5% of the variation in first year bluegill growth. The pond parameters total number of growing days, fish present prior to stocking, and pond surface area when combined accounted for 73.9% of the variation in first year black bullhead growth. Differences in bluegill relative weight values were not detected throughout South Dakota; the average for the state was 105.2. Mean black bullhead condition factors (K) for fish with total lengths between 128 and 191 mm were 1.85 and 1.45 for pre- and post-spawning periods, respectively. Bullheads probably spawned between 29 May and 26 June 1980.