Digital Commons Network^™

The Calendar - April 1991, Nova University

The Calendar

No abstract provided.

An Analysis Of Dissolved Organic Compounds And Their Contribution To Iron Complexation In The Shallow Leachate Plume Of The West Kl Landfill Kalamazoo, Michigan, Eric Fahle

Masters Theses

High concentrations of dissolved iron are present in downgradient groundwater samples adjacent to the western border of the West KL Landfill. Analysis by Rudder (1988) of groundwater samples indicates oversaturation of selected iron oxides, iron sulfides and siderite in monitoring wells TW-4 and M3.

Previous research suggests that pyrogallol, gallic acid, tannic acid and similar organic compounds may retard the oxidation of ferrous iron in the shallow leachate plume of the West KL landfill (Rudder, 1988). Present research utilizing solid phase extraction, reverse phase high performance chromatography, Fourier transform IR spectrophotometry, UV/Visible spectrophotometry, and gas chromatography/mass spectroscopy indicate that pyrogallol, …

The Role In Alfalfa In Soil Conservation, Glenn D. Johnson

Kentucky Alfalfa and Stored Forage Conference

Due to its many benefits, alfalfa has earned its reputation as "Queen of the Forages". Some of alfalfa's advantages are 1) very high nutritional value for all classes of livestock, 2) adaptability to a wide range of soils and growing conditions, 3) flexibility in being able to be grown alone or with grasses, 4) to be harvested for hay, silage or pasture, 5) strong seedling vigor and 6) high yields.

Alfalfa also should be rated "Queen of the Forages" as a crop for the soil. In addition to its many other benefits, alfalfa is an excellent choice for soil improvement …

Ecological Considerations In The Management Of Wildlife Damage , Robert K. Swihart

Eastern Wildlife Damage Control Conference: 5th (1991)

Strategies for managing wildlife damage may be divided into 3 broad categories: direct manipulation of populations, manipulation of behavioral or ecological traits of pest species, and manipulation of environmental features. For each of these categories, I review the importance of ecological considerations in determining the effectiveness of management strategies. Proper incorporation of ecological information is important to the success of management strategies in all 3 categories. I predict that future demands will increase for ecologically-based strategies that require minimal intervention, and for integration of management strategies that simultaneously address problems posed by both vertebrate and invertebrate pests. Several recent ecologically-based …

Mariculture Management For Pohnpei State, Federated States Of Micronesia, Kevin Brooks Foster

Marine Affairs Theses and Major Papers

The Marine Resources Division of Pohnpei State, Federated States of Micronesia is currently engaged in development activities that include the establishment of family scale mariculture projects for community members of remote villages and outer islands. The goal of this undertaking is to supplement subsistence and income generation ventures for community members through the wise use and exploitation of the marine environment. These aims may be jeopardized unless a management plan is devised that reflects the customary marine resource practices as embraced by islanders from each community. The intent of this thesis projects is to devise a mariculture management model that …

Prospects For Fisheries Development In West Africa, Steven K. Ireland

Marine Affairs Theses and Major Papers

The production of food is a primary concern for the countries of Africa. Marine fisheries can contribute toward alleviating undernutrition and provide employment opportunities in developing countries. In West Africa there are substantial marine fisheries resources but there is a need for development and improved management of these resources. Fisheries development efforts have thus far achieved limited success in the region. However, there is considerable potential for increasing the contribution of fisheries to economic development if the problems of fisheries development can be overcome.

Possibilities For A Common Fisheries Development And Management Policy For The Organization Of Eastern Caribbean States (O.E.C.S.), Daven C. Joseph

Marine Affairs Theses and Major Papers

The fisheries resources within the EEZs of countries in the Organization of Eastern Caribbean States is not being exploited at their maximum sustainable yield. Fisheries development has however been hampered by a history of these states, little or no sectoral development planning. If member states are to realize any increased socio-economic growth in the fisheries sector, it is imperative that a common fisheries management and development strategy be implemented by these states, in an effort to rationalize the use of scarce financial and technical resources. Such a strategy would involve the pursuance of common goals and objectives and the provision …

Background Papers To Wawa's South-West Irrigation District Strategy Study, G J. Luke, I Af Laing, P R. George, G R. Olney, R L. Taylor, I F. Wilkinson, P T. Arkell

Resource management technical reports

No abstract provided.

13.2.8. Rescue And Rehabilitation Of Oiled Birds, Sallie Welte, Lynne Frink

Waterfowl Management Handbook

Oil contamination of waterfowl and seabirds has been documented as a significant cause of morbidity and mortality in birds for more than 50 years. Each year more than one million birds may die from oil contamination in North Atlantic waters alone; worldwide mortality is unknown.

Of special concern is that many of the seabirds commonly affected are not prolific breeders, and assessment of each species’ status is handicapped by the difficulty of accurately monitoring trends in marine bird populations.

Oiled bird rehabilitation is an intensive, crisis-oriented response, requiring an experienced management agency, specialized medical expertise, stockpiles of specially designed equipment, …

13.4.6. Strategies For Water Level Manipulations In Moist-Soil Systems, Leigh H. Fredrickson

Waterfowl Management Handbook

Water level manipulations are one of the most effective tools in wetland management, provided fluctuations are well-timed and controlled. Manipulations are most effective on sites with (1) a dependable water supply, (2) an elevation gradient that permits complete water coverage at desired depths over a majority of the site, and (3) the proper type of water control structures that enable water to be supplied, distributed, and discharged effectively at desired rates. The size and location of structures are important, but timing, speed, and duration of drawdowns and flooding also have important effects on plant composition, plant production, and avian use. …

13.1.3. Life History Strategies And Habitat Needs Of The Northern Pintail, Leigh H. Fredrickson, Mickey E. Heitmeyer

Waterfowl Management Handbook

The northern pintail (hereafter pintail) is a common dabbling duck distributed throughout the Northern Hemisphere. Since 1955, the breeding population in North America has averaged 5,566,000, fluctuating between 10,124,000 (1956) and 2,471,000 (1989; Fig. 1). Pintail numbers are especially sensitive to habitat conditions that reflect the wet–dry cycle in the shortgrass prairie breeding areas of south-central Canada and the northern Great Plains of the United States. Populations of pintails also are affected by habitat conditions in key wintering areas, such as the Central Valley of California and Gulf Coast marshes. When wintering areas are fairly dry, birds have fewer resources …

Survey Of The Damage Caused To Trees By Goats, Steve Gherardi, Dick Mills, Tim Johnson

Journal of the Department of Agriculture, Western Australia, Series 4

The damage that goats can cause to trees is one of the major problems associated with their farming in the agricultural areas of Australia. It is also considered one of the main hindrances to the development of the goat industry. The Department of Agriculture s Goat Industry Development Unit surveyed mohair and cashmere producers to determine the prevalence of tree damage and its extent and severity; why producers believed goats damaged trees; and how producers minimised or prevented this damage.

13.4.7. Managing Beaver To Benefit Waterfowl, James K. Ringelman

Waterfowl Management Handbook

Aside from humans, no other organism has the capacity to modify its environment as much as the beaver. In doing so, beaver create wetlands that provide valuable waterfowl habitats. Because beavers are widely distributed in North America (Fig. 1), beaver ponds can benefit waterfowl during breeding, migrating, and wintering periods. Mismanaged beaver populations, however, can severely degrade riparian habitats and become a costly problem. The key to successfully managing beaver for waterfowl benefits is understanding the values of beaver ponds in meeting the seasonal needs of waterfowl. Beaver populations must then be managed to provide these benefits in a self-sustaining …

13.4.18. Chufa Biology And Management, James R. Kelley Jr., Leigh H. Fredrickson

Waterfowl Management Handbook

Chufa (Cyperus esculentus) is an emergent perennial sedge that is common in seasonally flooded wetlands. Although chufa is common in many States, it is most abundant in the Southeast, including the Mississippi alluvial valley (Fig. 1). Belowground biomass of chufa, especially the tubers, serves as a valuable food source for waterfowl and cranes. Chufa tubers rank tenth among the most important waterfowl foods in the United States.

The Iowa Science Teachers Fall Conference, 1991, Iowa Academy Of Science

Iowa Academy of Science Documents

Contents:

Speakers ... 4
Pre-conference Workshops ... 6
General Session ... 9
Concurrent Sessions 1 ... 9
Concurrent Sessions 2 ... 13
Application for Membership ... Centerfold
Registration Fonns ... Centerfold
Luncheon Information ... 17
Concurrent Sessions 3 ... 17
Concurrent Sessions 4 ... 21
Maps ... 25 & 26

The Role Of Mechanical Injury In An Experimental Transmission Of Flexibacter Columnaris To Fingerling Walleye, Manzoor Hussain, Robert C. Summerfelt

Journal of the Iowa Academy of Science: JIAS

The role of mechanical injury in transmission of Flexibacter columnaris to walleye fingerlings (Stizostedion vitreum vitreum) was investigated. Two groups (1 and 2) of 10 fish each, 7 to 9 cm total length, were exposed to a suspension of F lexibacter columnaris containing 3 X 105 cfu/ mL; fish in group 1 were injured with a scratch along their flank; fish in group 2 were not injured. Two control groups (3 and 4) of 5 fish each were exposed to a sterile broth; group 3 was injured with a scratch and group 4 was not. In 72 h, morbidity was …

Fall Fertilization And Liming For Tobacco Production, J. L. Sims, Kenneth L. Wells

Soil Science News and Views

Proper nutrition of tobacco is a prerequisite for achieving high yields of cured leaf possessing desirable marketing characteristics. Together with the variety grown, soils, climate, and curing conditions, a desirable nutrient environment greatly influences yield, quality, and usability of the leaf produced. Late summer and early fall is a good time to select fields for future tobacco crops or to sample this year's tobacco fields which will be used for tobacco next year, and to assess their needs for lime, phosphorus, and potassium. Planning fertilization strategies this fall that lead to increased profit is much more effective than waiting until …

Speciation Of Troglobites: Studies In The San Antonio Cave (Oaxaca, Mexico), Horst Wilkens, Peter Junge, Thomas G. Langecker

International Journal of Speleology

The phylogenetically young species community of San Antonio Cave (Oaxaca, Mexico) exemplifies the hypothesis that speciation of troglobites can occur in close contact with epigean predecessors. In a subterranean creek which continues outside with a rich epigean fauna, four troglobitic aquatic crustacean and one fish species (Rhamdia reddelli, Pimelodidae) were studied. Today not a single surface specimen can be found in the cave waters although several epigean species are troglophilic and/or are the ancestors of cave forms in other parts of Mexico. The absence of epigean invaders is attributed to the presence of specimens of some of the …

Potential Impacts Of Biomass Production In The United States On Biological Diversity, James H. Cook, Jan Beyea, Kathleen H. Keeler

School of Biological Sciences: Faculty Publications

Biomass could be a renewable source of energy and chemicals that would not add CO₂ to the atmosphere. It will become economically competitive as its cost decreases relative to energy costs, and biotechnology is expected to accelerate this trend by increasing biomass productivity. Pressure to slow global warming may also make biomass more attractive. Substantial dependence on biomass would entail massive changes in land use, risking serious reductions in biodiversity through destruction of habitat for native species. Forests could be managed and harvested more intensively, and virtually all arable land unsuitable for high-value agriculture or silviculture might be used …

Lake Mead Nutrient Enhancement Project, Peter D. Vaux, Larry J. Paulson, Nevada Department Of Wildlife, National Oceanic And Atmospheric Administration

Publications (WR)

The Lake Mead Fertilization Project is a research program designed to investigate the potential for using large-scale artificial fertilization to enhance the game fisheries of this reservoir through an increase in the population of threadfin shad, the system's primary forage species. A substantial decline in the population of largemouth bass, together with poor condition of adult striped bass, are the two major issues affecting the Lake Mead game fisheries. Both issues have been hypothesized to be a result of an inadequate amount of forage in the reservoir. Previous studies have in turn suggested that a major factor limiting the shad …

Intracellular Degradation Of Ribosomes In A Mesophilic And A Thermophilic Species Of Bacillus, Joe William Davis

Dissertations

The rates of intracellular degradation of ribosomal proteins were compared in a mesophilic and a thermophilic species of Bacillus. Cells were grown under various incubation conditions in the presence of a 14^C-protein hydrolysate m order to label the ribosomes. Rates of ribosome degradation were evaluated in terms of changes in the specific activity of in vivo ribosomes as a function of incubation time. The results indicated that, under most conditions, ribosomes were degraded (in vivo) at similar rates in both the mesophile and the thermophile. In some studies, ribosome degradation rates were slightly faster for the thermophile than for the …

Part I: Oxidation Of Heavy Metal Sulfides In Relation To The Environment; Part Ii: Fundamental Theory & Experiments Concerning Gas Chromatography & Mass Spectrometry, Judith Morgan

Masters Theses & Specialist Projects

Oxidation of heavy metal sulfides is a thermodynamically spontaneous process. Because of this, metal sulfides in the presence of oxygen are not stable. Currently there are over 100 streams and rivers, within the U.S., contaminated with heavy metal mine drainage; therefore an approved method of restoration is necessary. Precipitation of heavy metals as sulfides using H₂S as a reductant has been favorably reviewed as a restorative technique to clean up mining areas. However, using this technique on the laboratory scale does not prove to be a viable answer and shows strong pH dependence.

In the past three years …

The Impact Of Mining And Mining Exploration On Range Resources And Pastoral Pursuits In The Pilbara, Gascoyne, Murchison And Goldfields Regions Of Western Australia, H J. Pringle, G A. Carter, J L. James, R E Y O'Connor

Resource management technical reports

Mining activity occurs very widely over relatively small areas of the rangelands. However, it is an intense landuse which can create significant offsite effects. Mining activity is most common around metamorphic 'greenstone' belts and broad drainages. Pastoralists reported both benefits and adverse affects as a consequence of mining activity. The main grievances related to unnecessary and excessive disturbance of pastoral land and the failure of operators to inform the pastoralist of their intentions.

Ua66 1989-1990 Annual Report, Wku Ogden College Of Science & Engineering

WKU Administration Documents

Annual report created by then Ogden College of Science, Technology and Health which highlights students, faculty, alumni, international activities, facilities and equipment and departments:

• Agriculture
• Allied Health
• Biology
• Chemistry
• Computer Science
• Engineering Technology
• Geography & Geology
• Health & Safety
• Industrial Technology
• Mathematics
• Nursing
• Physics & Astronomy

Bulletin No 4191 - Inputs For Beefin, D. J. Barker, P J. May, R. G. Grieve

Bulletins 4000 -

BEEFIN is a computer model (Barker et at. 1986) that calculates profit maximizing diets for finishing cattle to a specified carcass weight and fat thickness. It predicts cattle growth, feed conversion ratio, final liveweight, number of days on feed and amount of available feedstuffs to finish the cattle to specification.

BEEFIN calculates an enterprise profit and loss budget and performs a sensitivity analysis on cattle and feed price changes. A sensitivity analysis of returns to assets, variable costs and per tonne of feed fed is also calculated.

The Gamut: A Journal Of Ideas And Information, No. 30, Summer 1990, Cleveland State University

The Gamut Archives

CONTENTS OF ISSUE NO. 30, SUMMER, 1990

Louis T. Milic: A Fire in the Kitchen, 2

Leonard M. Trawick: A Place in the Ecosystem, 3

Tenth Anniversary Contest Winners

Jill Wilson Brennan: Terrorism Against Americans, 5

Daniel Hill: The Battle Over Native American Remains, 16

Science, piety, and politics

Todd Lieber: "How Many Acres You Got Out There?", 24

Independent farmers in the age of agribusiness

Eric May: Wood Engravings, 30

Jacque Parsley: Collage/ Assemblage, 35

P.J. Rogers: Aquatint/ Etchings, 40

Richard Kraus: On Vacation, 47

Dashka Slater: Persephone Tells, …

Land Management Manual. Merredin Advisory District, F. Frost, M Howell

Natural resources published reports

Farming by soil type recognizes that each major soil unit has specific land use capabilities. 'When developing a farm management programme, understanding and appreciating the productive potential and degradation hazard of each soil unit ensures that production systems can be developed which are 'sustainable. The aim of this land management manual is to describe the climatic and geological features of the district and provide definitions of each of the major soil units and 'current management recommendations. The material is designed to be used as an information base for farm planners.

Thes oil units described are for the Merredin advisory district …

The Effect Of Seasonal Cattle Grazing On California Bighorn Sheep Habitat Use, Melanie J. Steinkamp

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The effect of seasonal cattle grazing on a newly reintroduced population of California bighorn sheep (Ovis canadensis californiana) in Big Cottonwood Canyon, Idaho, was studied. The hypothesis that bighorn sheep avoid cattle was tested. The issue of avoidance between bighorn sheep and livestock is arguable. Some studies have found that bighorn sheep avoid cattle while others have found no response of bighorn sheep to cattle.

Evidence was found to document the avoidance of cattle by bighorn sheep. The size of the bighorn's home range and core area decreased with the movement of cattle into areas of high bighorn …

A Descriptive Study Of Range Livestock Operations In The Somali Central Rangelands, Abdinasir M. Abdulle

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Information on livestock operations, particularly what kind of livestock operations are practiced in the Somali central rangelands, and how these operations differ for different herders in different vegetation types and farming systems, could serve as a major tool in making management decisions. This study provides a detailed description of range livestock operations in the Somali Central Rangelands. It also answers some important management questions.

Range livestock operations were inventoried through personal interviews with the owners and herders. Data are supplemented by previous nation-wide and regional survey statistics. Herd productivity data which include herd structures, age, age-related sales, slaughters, gifts, and …

The Effects Of Disease, Prey Fluctuation, And Clear-Cutting On American Marten In Newfoundland, Canada, Richard J. Fredrickson

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

Individual variation in survival and behavior of American marten (Martes americana) was studied in relation to disease, prey fluctuation, and clear-cutting from 10 January 1986 through 20 August 1987 in Newfoundland, Canada. Thirty-seven of forty marten captured on the study area were telemetered and monitored for part or all of the study.

Marten mortality was concentrated in two intervals, fall 1986 and late winter 1987. Mortality during fall 1986 was attributable to encephalitis, while marten deaths during late winter 1987 resulted from predation and starvation attributable to the prey decline. Nonsuppurative encephalitis was first detected 7 October 1986; …