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Full-Text Articles in Life Sciences

Studies In The Life History And Ecology Of The American Pintail (Anas Acuta Tzitzihoa Vieliot) In Utah, Robert W. Fuller May 1953

Studies In The Life History And Ecology Of The American Pintail (Anas Acuta Tzitzihoa Vieliot) In Utah, Robert W. Fuller

All Graduate Theses and Dissertations

Wildlife management has been defined as lithe manipulation of wild populations of vertebrate animals in their relation to man and his interests" Wildlife management, then, could not exist in the absence ot either wildlife or humans. Converting this idea to the waterfowl situation, we can say that there are no waterfowl problems other than as they exist in the minds of men. (Wil1s, 1951) These words by the Chief of the IllinoIs Natural History Survey precede a plea for fundamental facts and a basic understanding of waterfowl upon which sound management can in turn be based. l"or only through ...


Mileage Per First Service As Affected By Shape Of Area And Number Of Cows Serviced By A Technician Of A Utah Artificial Breeding Association, Geren V. Howell May 1953

Mileage Per First Service As Affected By Shape Of Area And Number Of Cows Serviced By A Technician Of A Utah Artificial Breeding Association, Geren V. Howell

All Graduate Theses and Dissertations

Artificial insemination of dairy cattle is one of the recent enterprises of dairymen in this area. It is an enterprise which has expanded rapidly and will likely continue to expand during the next few years. In this area the technician or inseminator collects from $6.00 to $10.00 at the time of first service. This entitles the dairyman to two repeat inseminations for that cow, if necessary, to get the cow pregnant. Of this amount the technician receives $2.75. A bonus payment is made so that technicians inseminating fewer than 500 cows receive a total payment of $3 ...


Distribution Of Fluorine In Utah County, Utah, Soils And Uptake Of Fluorine By Plants, E. Don Hansen May 1953

Distribution Of Fluorine In Utah County, Utah, Soils And Uptake Of Fluorine By Plants, E. Don Hansen

All Graduate Theses and Dissertations

Fluorine released from industrial operations is eventually deposited on the surface of the earth, intercepted by plants, or absorbed in open bodies of water. the term fluorine as used in this thesis will be considered to refer to fluorine in combined form. Industrial expansion has caused atmosphere pollution from fluorine in many parts of the United States. Utah County, Utah, is one of the affected area, and is the principal area of concern in this thesis. In the spring of 1951, Utah Agricultural Experiment Station initiated a broad investigation on soil, water, plant, and animal problems arising from fluorine atmospheric ...


Some Of The Relationships Between Livestock Grazing And Duck Nesting In The Saltgrass Vegetation Type In Utah, Horatio W. Murdy May 1953

Some Of The Relationships Between Livestock Grazing And Duck Nesting In The Saltgrass Vegetation Type In Utah, Horatio W. Murdy

All Graduate Theses and Dissertations

Little is known of the relationships between livestock grazlng and duck nesting. This dearth of information occurs in spite of the fact that an understanding of these relationshipships is necessary in order to evaluate duck production on range land, and to formulate grazing policies for lands devoted to the production of ducks. Recognizing the need for information on this subject, the Utah Cooperative Wlldllfe Research Unit and the Wildlife Management Institute jointly sponsored a study, during 1948-1949, of livestock grazing-duck nesting relationships in the saltgrass vegetation type in northern Utah. The study was financed by the Institute and supervised by ...


The Status And Management Of Pheasant Posted Hunting Areas In Utah, William G. Parsons May 1953

The Status And Management Of Pheasant Posted Hunting Areas In Utah, William G. Parsons

All Graduate Theses and Dissertations

Since 1900 the ringneck pheasant Phasianus colchicus torquatus Gmelin has assumed major importance in the United states as an upland game bird. This is particularly evident in utah where, in 1951, 76,000 hunters bagged an estimated one quarter million pheasants (8). It is axiomatic that pheasant habitat in Utah is largely confined to land under irrigation. In Utah, this comprises onlY 2.2 percent of the total land area. These areas, essentially bottomlands along stream courses, are intensively farmed and generally assessed a high valuation per acre. Associated with intensive farming are population centers and resultant concentrations of hunters ...


Merchandising Of Turkeys In The Principal Cities Of Utah, 1951-52, Joseph A. Bailey May 1953

Merchandising Of Turkeys In The Principal Cities Of Utah, 1951-52, Joseph A. Bailey

All Graduate Theses and Dissertations

The Production of turkeys comprises an important part of the cash farm income in Utah. In 1951 the cash receipts from turkeys amounted to $13,986,000, or 7.4 percent of the cash income from all farm commodities (4). In the year 1951 Utah ranked seventh in the nation in turkey production (5). The production of turkeys has risen from a humble beginning to one of the important agriculture enterprises in Utah.