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Full-Text Articles in Life Sciences

Evaluation Of Six Strains Of Rainbow Trout (Salmo Gairdneri) Stocked As Fingerlings In Porcupine Reservoir, Utah, Mark Hudy May 1980

Evaluation Of Six Strains Of Rainbow Trout (Salmo Gairdneri) Stocked As Fingerlings In Porcupine Reservoir, Utah, Mark Hudy

All Graduate Theses and Dissertations

Different strains of rainbow trout (Salmo gairdneri), Ten Sleep, Sand Creek, Beitey, Shepherd-of-the-Hills, New Zealand, Fish Lake- Desmet, Desmet, were compared for survival to the creel, growth and catchability after being stocked in a fluctuating 80 ha Utah reservoir . Fish were stocked in the spring and fall as fingerlings and monitored by creel censusing, gill netting and electrofishing. Fish were tagged with coded wire snout tags prior to stocking . An angler opinion survey was conducted to determine angler satisfaction with numbers and size of fish caught.

Regardless of strain, spring stocking was superior to fall stocking in survival to the ...


Job Competencies, Employment Demands, And Perceived Training Needs In Production Agriculture In Utah, James O. Summers May 1980

Job Competencies, Employment Demands, And Perceived Training Needs In Production Agriculture In Utah, James O. Summers

All Graduate Theses and Dissertations

Th is study was limited to 165 farmers involved in various segments of production agriculture in the state of Utah. County agents and vocational agriculture teachers in each county nominated these farmers as candidates according to their respective farming operations.

The following six defined areas of production agriculture were used as selection criteria to insure equal input in the study: Beef, Dairy, Swine , Sheep, Poultry, and Crops. All farmers were surveyed by means of persona l interviews conducted by either county agents or vocational agriculture instructors in their respective counties. The surveying instrument used was developed through a thorough review ...


Economic Impacts Of Public Grazing Reductions In The Livestock Industry With Emphasis On Utah, Deevon Bailey May 1980

Economic Impacts Of Public Grazing Reductions In The Livestock Industry With Emphasis On Utah, Deevon Bailey

All Graduate Theses and Dissertations

The purpose of this paper was to determine the immediate impact of reductions in public grazing on livestock production in the United States. This was accomplished by the use of linear programming techniques. Different grazing reduction simulations were utilized to determine the short and long run effects of across-the-board reductions in public grazing.

The United States was divided into 13 regions. The 11 western states were considered as individual regions. Special emphasis was placed on the effects of grazing reduction on Utah. The availability and utilization of feed and livestock products during a "normal year", 1978, were considered in this ...


Competencies Needed For Careers In Ornamental Horticulture In Utah, Dennis George Bahen May 1980

Competencies Needed For Careers In Ornamental Horticulture In Utah, Dennis George Bahen

All Graduate Theses and Dissertations

The purpose of the study was to present descriptive data bout the industry, determine the importance of the competencies needed for job entry, and assess the manpower needs of the ornamental horticulture industry in Utah.

The identified population of 576 ornamental horticulture enterprises was categorized into seven areas of specialization: Arborists (4.5%), Maintenance of Landscapes (10.8%), Landscape Construction (18.6%), Golf Courses (13.5%), Greenhouse Production (5.4%), Florist-Plant Shops (30.9%) and Garden Center-Nurseries (16.3%).

The data were collected by a survey-questionnaire. One hundred and sixteen ornamental horticulture enterprises responded to the survey. This amounted to ...


Habitat Manipulation For The Reestablishment Of The Utah Prairie Dog In Capitol Reef National Park, Rodney L. Player May 1980

Habitat Manipulation For The Reestablishment Of The Utah Prairie Dog In Capitol Reef National Park, Rodney L. Player

All Graduate Theses and Dissertations

Utah prairie dogs were transplanted onto the site of a former colony located on Jones Bench in the northwestern corner of Capitol Reef National Park. Shrubs on Jones Bench were significantly taller than those found on active colonies of Ut ah prairie dogs located nearby on the Awapa Plateau. Therefore, the Jones Bench site offered an opportunity to test the hypothesis that shrub height is a major inhibitory factor on occupation of sites by prairie dogs. Four sites of 5 ha each were delimited on Jones Bench prior to the transplanting o~ animals. Vegetation treatments were carried out on three ...


Habitat Use By Breeding Waterfowl Of Several Utah Marshes, Paul M. Suchanek May 1980

Habitat Use By Breeding Waterfowl Of Several Utah Marshes, Paul M. Suchanek

All Graduate Theses and Dissertations

Habitat use by waterfowl (breeding pairs and broods) of several Utah marshes was studied during 1978 and 1979. A number of ponds found on 5 different marshes located near Great Salt Lake were studied. Perimeter, area, depth, and emergent vegetative type were measured on each pond. Waterfowl use of the ponds was determined using a fixed point observation system. Multiple regression was used to analyze the relationships between the measured habitat variables and waterfowl use.

Area of the pond was the variable most strongly related to both pair and brood use. Perimeter was highly correlated to area, but a calculated ...