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Articles 10351 - 10380 of 10857
Full-Text Articles in Entire DC Network
The Influence Of Salinity On Larval Development And Population Dynamics Of Anopheles Merus Dönitz (Diptera: Culicidae), F. W. Mosha, C. M. Mutero
The Influence Of Salinity On Larval Development And Population Dynamics Of Anopheles Merus Dönitz (Diptera: Culicidae), F. W. Mosha, C. M. Mutero
All Peer-Reviewed Publications
Variations in density of adults of Anopheles merus Dön. in Jimbo Village on the Kenya Coast were found to be correlated both with rainfall and with salinity at their breeding sites. Densities started to increase at the beginning of the rains when several breeding sites were formed. This was followed by a decline in numbers resulting mainly from the decrease in salinity in the semi-permanent breeding sites. A second rise occurred after the end of the rains, corresponding with an increase in salinity in the semi-permanent breeding sites due to evaporation. Peak density coincided with salinities of 30–50% sea water …
Nonparametric Analysis Of Right Censored Data With Multiple Comparisons, Hwei-Weng Shih
Nonparametric Analysis Of Right Censored Data With Multiple Comparisons, Hwei-Weng Shih
All Graduate Plan B and other Reports, Spring 1920 to Spring 2023
This report demonstrates the use of a computer program written in FORTRAN for the Burroughs B6800 computer at Utah State University to perform Breslow's (1970) generalization of the Kruskal-Wallis test for right censored data. A pairwise multiple comparison procedure using Bonferroni's inequality is also introduced and demonstrated. Comparisons are also made with a parametric F test and the original Kruskal-Wallis test. Application of these techniques to two data sets indicate that there is little difference among the procedures with the F test being slightly more liberal (too many differences) and the Kruskal-Wallis test corrected for ties being slightly more conservative …
Molybdenum Nutrition Of Crops In Kentucky, J. L. Sims
Molybdenum Nutrition Of Crops In Kentucky, J. L. Sims
Soil Science News and Views
Molybdenum (Mo) is one of eight micronutrient elements required for the growth of plants. Research conducted in California nearly 40 years ago established its need for plant growth. Mo deficiencies have been reported throughout the world, especially on acid soils in the United States, Australia, and New Zealand. Generally, the Mo requirement of leguminous crops is greater than for non~legumes, but many non-leguminous field and vegetable crops have responded to additions of fertilizer Mo under severe deficiency conditions. Of all the nutrient elements required by plants for growth, Mo is needed in smallest amounts.
Use Of Magnesium (Mg) For Crop Production In Kentucky, John H. Grove
Use Of Magnesium (Mg) For Crop Production In Kentucky, John H. Grove
Soil Science News and Views
Magnesium (Mg) is an important element in the nutrition of plants and animals, although it has long been considered a "secondary" nutrient for plants. Nitrogen (N), phosphorus (P), and potassium (K) are "primary'' nutrients and are usually given the greatest consideration in crop fertility programs. However, as yield levels have risen, more attention has been directed towards Mg and other nutrient elements. Concern about hypomagnesemia (grass tetany) in ruminants (cattle, sheep) has led to particular concern about soil and plant Mg levels.
The Gamut: A Journal Of Ideas And Information, No. 04, Fall 1981, Cleveland State University
The Gamut: A Journal Of Ideas And Information, No. 04, Fall 1981, Cleveland State University
The Gamut Archives
CONTENTS OF ISSUE NO.4, FALL, 1981
Cecilie Goodrich: Fads and Their Perpetrators - Laetrile and Krebiozen, 3
Albert and Helen Borowitz: The Case of the Plaster Narcissus, 21
Robert Plank: One Grand Inquisitor and Some Lesser Ones, 29
Ervin J. Gaines: Rescue from Chaos - Computers in the Library, 39
Nicholas R. Jones: Medieval Plays for Modern Audiences, 47
Harvey Pekar: George Ade - Forgotten Master of American Literature, 59
The Harvey Pekar Name Story, 73
Albert Petrak: FOlWard! By the Numbers - Digital Recordings, 77
David Citino: Four Poems from the …
Connquest, Sandra Cookson, D.W. Allinson, G.S. Speer, R.W. Taylor, R.P. Prince, J.W. Bartok, D.W. Protheroe, D.R. Miller
Connquest, Sandra Cookson, D.W. Allinson, G.S. Speer, R.W. Taylor, R.P. Prince, J.W. Bartok, D.W. Protheroe, D.R. Miller
Storrs Agricultural Experiment Station
No abstract provided.
The Effect Of Hypercholesterolemia On The Membrane Lipids, 3-0-[¹⁴C] Methylglucose Transport, And 2,3-Diphosphoglycerate Levels In Rat Erythrocytes, Edwin J. Lester Jr.
The Effect Of Hypercholesterolemia On The Membrane Lipids, 3-0-[¹⁴C] Methylglucose Transport, And 2,3-Diphosphoglycerate Levels In Rat Erythrocytes, Edwin J. Lester Jr.
Loma Linda University Electronic Theses, Dissertations & Projects
An increase in dietary cholesterol and cholic acid will produce hypercholesterolemia in rats. For ten months, two groups of rats (six in each group) were fed commercial rat pellets (control group) or rat pellets plus cholesterol (1%) and cholic acid (0.25%) (experimental group). A blood sample from each animal was divided into three aliquots for three separate experiments on the erythrocytes: a membrane cholesterol and phospholipid determination, a 3-0-[14C] methylglucose (30MG) transport determination, and a 2,3-diphosphoglycerate (2,3 DPG) determination. The 30MG transport and 2,3 DPG aliquots were each incubated in the same five concentrations of 30MG and glucose …
The Role Of Metals In Carcinogenesis: Biochemistry And Metabolism, K Wetterhahn Jennette
The Role Of Metals In Carcinogenesis: Biochemistry And Metabolism, K Wetterhahn Jennette
Dartmouth Scholarship
The oxyanions of vanadium, chromium, molybdenum, arsenic, and selenium are stable forms of these elements in high oxidation states which cross cell membranes using the normal phosphate and/or sulfate transport systems of the cell. Once inside the cell, these oxyanions may sulfuryl transfer reactions. Often the oxyanions serve as alternate enzyme substrates but form ester products which are hydrolytically unstable compared with the sulfate and phosphate esters and, therefore, decompose readily in aqueous solution. Arsenite and selenite are capable of reacting with sulfhydryl groups in proteins. Some cells are able to metabolize redox active oxyanions to forms of the elements …
Toward The Marketing Of Seafood Harvested In New England, Daniel R. Kilty Ph.D
Toward The Marketing Of Seafood Harvested In New England, Daniel R. Kilty Ph.D
Marine Affairs Theses and Major Papers
In this study the author will concentrate on the marketing activitiesof the U.S. commercial fishing industry. The study will use examples from New England to illustrate various points covered in the study. Particular reference will be made to the geographic area of Southern New England and move specifically to Point Judith, Rhode Island and New Bedford, Massachusetts. The study is divided into two parts. Part I reviews the situation in the industry prior to 1976, the Fishery Conservation Management Act, theU.S./Canadian East Coast Fisheries Agreement and the American Fisheries Promotion Act. Part II applies the marketing mix to the industry …
The Probe, Issue 13 - May 1981
The Probe, Issue 13 - May 1981
The Probe: Newsletter of the National Animal Damage Control Association
Content: Prexy’s Corner Disneyworld, D.C. An Animal Damage Identification Guide for Massachusetts Bird Problems in Agriculture Let’s Hit the Antis Where They Live – Right in the Legislature! Oregon Revisited WLFA Update The problem with feral pigs in San Benito County (CA) Dr. Donald A. Spencer, Regional Director VI Milton Caroline, Regional Director IV A Study of the Foraging Habits of Quits at the Montgomery County Landfill, Rockville, Maryland Harvey O. Edwards – Memoir Which Risks are Acceptable? Illegally killed elk being poached just for their antlers Recommendations for an effective ADC program
Support Systems Of Mexican-American Women And Their Attitudes Regarding Infant Feeding, Susan Marie Krantz
Support Systems Of Mexican-American Women And Their Attitudes Regarding Infant Feeding, Susan Marie Krantz
Loma Linda University Electronic Theses, Dissertations & Projects
This was a descriptive study of 37 recently migrated to the United States, Spanish-speaking, Mexican-American women. Attitudes and support systems associated with their choice to breast or bottle feed their infants were studied. The purpose of this research was to answer the following questions:
1. What are the differences in the attitudes of Mexican- American primiparas who choose to breast feed and those who choose to bottle feed?
2. What are the differences in the practice, recommendations, and proximity of location of significant members of the women's support systems?
Twenty-one breast feeders and 16 bottle feeders were interviewed in Spanish …
Fall Regrowth Of Crested Wheatgrass And Fourwing Saltbush, Noor Mohammad
Fall Regrowth Of Crested Wheatgrass And Fourwing Saltbush, Noor Mohammad
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
During 1980-81, studies with crested wheatgrass (Agropyron desertorum) and fourwing saltbush (Atriplex canescens) were conducted in controlled environment growth chambers as well as under field conditions to achieve the following objectives:
1. To determine the effect of nitrogen fertilizer on the water use efficiency.
2. To determine the effects of various temperature, water stress and nitrogen treatments on the productivity, nitrogen content and carbohydrate reserves.
3. To determine the effects of N fertilization on fall and spring regrowth.
Crested wheatgrass and fourwing saltbush plants were maintained in three growth chambers for 60 days under three temperature …
The Energy Expenditure Of Heifers Grazing Crested Wheatgrass Rangeland In West-Central Utah, Kris M. Havstad
The Energy Expenditure Of Heifers Grazing Crested Wheatgrass Rangeland In West-Central Utah, Kris M. Havstad
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The free-roaming ruminant requires energy for the demands of vii grazing, traveling and thermoregulation that are not required by its confined counterpart. Literature estimates of these additional costs range from 10 to 170 percent above maintenance. The uncertain magnitude of this increased demand and the factors that contribute to it impede the ability of the rangeland ruminant nutritionist to establish guidelines for the energy requirements of the free-roaming herbivore. This study was designed to estimate the energy expenditure of yearling Angus heifers while grazing a declining supply of available crested wheatgrass forage (Agropyron cristatum) on rangeland in west-central …
Seasonal Temperature Preference Of Adult Mountain Whitefish, Prosopium Williamsoni, Jean M. Ihnat
Seasonal Temperature Preference Of Adult Mountain Whitefish, Prosopium Williamsoni, Jean M. Ihnat
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Temperatures selected seasonally by adult mountain whitefish were measured in the laboratory in a horizontal gradient. Final preferendum estimates, based on acute (3-hour) preference tests conducted with fish acclimated to 5, 10, and 15 C each season, were 17.7 C (pre-spawning), 11.9 C (post-spawning), 9.9 C (winter), and 16.3 C (spring). Seasonal influence on temperature selection was evident on the basis of differences in final preferenda, covariance analysis of responses of laboratory-acclimated fish, and temperature selection by fish held at ambient river temperatures. Post-spawning and winter groups selected lower temperatures than did pre-spawning and spring groups. Pre-spawning fish selected temperatures …
Some Morphological And Chemical Responses Of Blackbrush (Coleogyne Ramosissima) To Goat Browsing: Influences On Dietary Blackbrush Selection By Goats And Cattle, Frederick D. Provenza
Some Morphological And Chemical Responses Of Blackbrush (Coleogyne Ramosissima) To Goat Browsing: Influences On Dietary Blackbrush Selection By Goats And Cattle, Frederick D. Provenza
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Domestic goats were used to modify the growth form of blackbrush, a spinescent shrub occurring in nearly monospecific stands on several million hectares of rangeland in the southwestern United States. The objective of this research was to evaluate goat browsing as a means of improving these rangelands for cattle. Winter goat browsing stimulated spring twig growth from basal and axillary buds which resulted in increased production.
Twig production by heavily browsed plants (>95 percent removal of current season's twigs) was a function of precipitation, soil depth, branch location on the plant, and period of rest after browsing. As precipitation …
Natural Pastures Of The Macquarie Region Of New South Wales: Their Origin, Composition And Management, David Leslie Michaelk
Natural Pastures Of The Macquarie Region Of New South Wales: Their Origin, Composition And Management, David Leslie Michaelk
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Two experiments were conducted in the semi-arid (400 millimeter annual rainfall) Macquarie region of New South Wales, Australia, at the Trangie Agricultural Research Station (31° 59'S; 147° S7'E), to examine (a) the way botanical parameters can be used to separate grazing and climatic impacts on range vegetation, and (b) how this delineation affects application of range science tenets (site, condition and trend) to different pasture types.
Two range sites were studied: Site 1, a light soil type, was dominated by annual grasses, legumes and forbs, whereas perennial grasses (mainly Chloris acieularis and Chloris truncata) dominated the heavy soils of …
The Rhode Island Quahogger: Candidate For The List Of Endangered Species?, James M. Korney
The Rhode Island Quahogger: Candidate For The List Of Endangered Species?, James M. Korney
Marine Affairs Theses and Major Papers
It is the hypothesis of this paper that today the livelihood of the independent Narragansett Bay quahogger is faced with two potentially dangerous threats; water pollution in upper Narragansett Bay and the prospect of an expanding aquaculture industry in the lower bay. Unless the state of Rhode Island properly interprets and enforces existing state legislation to protect the quahoggers interests, his very livelihood will be jeoprodized. This paper will examine the legal, political, economic, and environmental affects of water pollution in upper Narragansett Bay and an expanding aquaculture industry in the lower bay in their relation to the Rhode Island …
The Annual Meeting Of The Iowa Academy Of Science April 24-25, 1981 [Program, 93th Meeting], Iowa Academy Of Science
The Annual Meeting Of The Iowa Academy Of Science April 24-25, 1981 [Program, 93th Meeting], Iowa Academy Of Science
Iowa Academy of Science Documents
No abstract provided.
Abstracts Of Papers, 93rd Session, Iowa Academy Of Science, April 24-25, 1981, Iowa Academy Of Science
Abstracts Of Papers, 93rd Session, Iowa Academy Of Science, April 24-25, 1981, Iowa Academy Of Science
Iowa Academy of Science Documents
Presentation abstracts from the annual meeting of the Iowa Academy of Science
The Menu Formation In A Computerized Nutrition System, Kathleen Ann Kostrzewa
The Menu Formation In A Computerized Nutrition System, Kathleen Ann Kostrzewa
Masters Theses
The creation of a diet is a complex process which involves analysis of a number of critical variables. Due to present technology, computers can be used effectively in menu planning and recipe analysis.
The objective of this study is the utilization of the computer to test the major criteria which must be met in order to produce a diet which meets nutritional, cost, and acceptability requirements. In this thesis, the design and implementation of a computerized menu planning system known as the Nutritional Data Base System is presented.
Growth And Recruitment Of Two Penaeids In The Bay Of St. Louis, Mississippi During 1979, Teresa C. Heaton
Growth And Recruitment Of Two Penaeids In The Bay Of St. Louis, Mississippi During 1979, Teresa C. Heaton
OES Theses and Dissertations
Juvenile brown (Penaeus aztecus, Ives) and white (Penaeus setiferus, Linnaeus) shrimp were collected from two stations of a nursery area in St. Louis Bay Mississippi, during May to October, 1979. Periods of shrimp recruitment and growth were determined to discern whether the concurrent environmental variables of salinity and temperature had an influence on shrimp abundance and yield. Growth estimates were obtained from length frequency measurements of trawl samples taken over a 24-h period per month from each station. An analysis of variance of length versus the variables of sex, month, station, time of day, salinity and …
Digestibility And Nutritional Quality Of Apple Tree Roots And Other Orchard Forages Of The Pine Vole, F. A. Servello, R. L. Kirkpatrick, K. E. Webb Jr.
Digestibility And Nutritional Quality Of Apple Tree Roots And Other Orchard Forages Of The Pine Vole, F. A. Servello, R. L. Kirkpatrick, K. E. Webb Jr.
Eastern Pine and Meadow Vole Symposia
Analysis of the seasonal food habits of pine voles (Microtus pinetorum) by Cengel et a1. (1978) revealed that apple tree root consumption occurs only during winter months. Increased root consumption in the winter has been postulated to be due to a decrease in the quantity and quality of other foods in orchards. However, the normal translocation of carbohydrates into the root systems of trees during the dormant season may improve the quality of apple tree roots as a food source for voles. One objective of the pine vole nutrition studies at Virginia Polytechnic Institute and State University is …
Growth And Development Rates Of Microtus Pinetorum Under Different Photoperiods, T. L. Derting, J. A. Cransford
Growth And Development Rates Of Microtus Pinetorum Under Different Photoperiods, T. L. Derting, J. A. Cransford
Eastern Pine and Meadow Vole Symposia
Photo-period and nutrition are important variables affecting reproductive activity and growth in many rodents. Field and laboratory studies indicate that long photo-period (spring-summer) cause Increased growth while short photo-periods (fall-winter) inhibit these processes. In the montane vole (Microtus montanus) recently weaned animals gain weight at a much lower rate under short photo-periods or in total darkness than under long photo-periods (Vaughan et al., 1973; Peterborg, 1978). Adult M. montanus had more offspring and larger mean litter sizes under LD 18:6 than LD 6:18 (Pinter & Negus, 1965). Similarly, long (LD 16:8) or increasing photo-periods stimulated the onset of …
Proceedings Of The Fifth Eastern Pine And Meadow Vole Symposium, Gettysburg, Pa, March 4-5, 1981
Proceedings Of The Fifth Eastern Pine And Meadow Vole Symposium, Gettysburg, Pa, March 4-5, 1981
Eastern Pine and Meadow Vole Symposia
Entire symposium.
HIGHLIGHTS OF THE FIFTH EASTERN PINE AND MEADOW VOLE SYMPOSIUM
The Fifth Eastern Pine and Meadow Vole Symposium was held at the Sheraton Inn-Gettysburg, Gettysburg, Pennsylvania March 4 and 5, 1981, for the purpose of assessing the current status of research, extension, and industry programs relating to the problem of vole damage to fruit trees. The meeting was intended to create a problem solving atmosphere in which growers; various governmental agencies such as EPA, USDA, USDI; the chemical industry; and university personnel could observe the cur¬rent thrusts of research and extension programs and their potential impact on future …
Colonization Of An Abandoned Orchard By Pine Voles (Microtus Pinetorum), Jack A. Cranford, J. Harrison, T. L. Derting
Colonization Of An Abandoned Orchard By Pine Voles (Microtus Pinetorum), Jack A. Cranford, J. Harrison, T. L. Derting
Eastern Pine and Meadow Vole Symposia
Habitat selection by pine voles (Microtus pinetorum) has been attributed to cover density (Goertz, 1971; Paul, 1970) soil condition (Benton, 1955; Fisher and Anthony, 1980), and food resources (Noffsinger, 1976; Paul, 1970). Goertz (1971) reported that pine voles were distributed in diverse habitats, but there was a close correlation with height and diversity of grass. Miller and Getz (1969) found populations in sloping upland woods, Benton (1955) in dry woods, and Paul (1970) in hardwood slopes with a close correlation between distribution and amount of ground cover. Soil type has been examined by Benton (1955) and Fisher and …
Volume 5, Number 3 (March 1981), The Solar Ocean Energy Liaison
Volume 5, Number 3 (March 1981), The Solar Ocean Energy Liaison
The OTEC Liaison
No abstract provided.
A High School Curriculum In Marine Environmental Issues: "The Sea - Use And Abuse" Part I, Martha J. Zimmerman
A High School Curriculum In Marine Environmental Issues: "The Sea - Use And Abuse" Part I, Martha J. Zimmerman
Marine Affairs Theses and Major Papers
To the Teacher: The materials presented and developed in this learning activity packet involve dynamic, complex, and persistent environmental issues concerning man's interaction with the oceans and the marine environment. As we progress into the 1980's, many decisions effecting the marine world will be made within the political sphere. These decisions will have wide-spreading impacts into the economic and social areas as well. Some consequences will be observed immediately, and others perhaps more serious, defiant of detection, and in some instances even hazardous, may have delayed results. The complex interrelationships of land and oceanic environments, the fragility of the marine …
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.
Sulphur Nutrition Of Pastures And Crops, Phosphorus And Potassium Nutrition Of High Rainfall Pastures On Deep Sands, Soil Acidity - High Rainfall Pastures, J S. Yeates, M F. Clarke
Sulphur Nutrition Of Pastures And Crops, Phosphorus And Potassium Nutrition Of High Rainfall Pastures On Deep Sands, Soil Acidity - High Rainfall Pastures, J S. Yeates, M F. Clarke
Experimental Summaries - Plant Research
A. SULPHUR - HIGH RAINFALL 1. Rates and time of application of superphosphate to pastures. 79AK2, 79AL23, 79AL25, 79AL41, 81BY1, 81KE1. 2. Sulphur soil test calibration on pastures. 79AL18, 80BY2, 80KE2. 3. Sulphur soil test calibration on pastures: Co-operative PKS soil test project on pastures on duplex soils of the east Albany area (PRD/ARO). Sulphur results. 80 AL44, 46, 47, 48, 72, 73 81AL51, 53, 55 4. Sulphur on adsorbing soils receiving no current S input. 80BY1., 80AL16. 5. Sources, rates, time of application of sulphur on pastures. 80AL1, 80AL4, 81AL3, 81AL4, 80KE1, 80MA1 B. SULPHUR - LOW RAINFALL 1. …