Date of Award:

1953

Document Type:

Thesis

Degree Name:

Master of Science (MS)

Department:

Wildland Resources

Advisor/Chair:

Jessop B. Low

Abstract

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 research unit. The writer was employed to make the study. This thesis presents his findings. The saltgrass type was chosen for study because it is an extensive vegetetlon type on the wet, alkaline lands of the Great Basin. It occurs at the duck-producing river deltas and marshes on land which is too alkaline for agriculture and is therefore used for grazing. Such lands are low enough in monetary value to permit their purchase for waterfowl management areas.

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