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Full-Text Articles in Life Sciences
A Seasonal Study Of Food Of Some Birds Of The Wasatch Chaparral, Herbert H. Frost
A Seasonal Study Of Food Of Some Birds Of The Wasatch Chaparral, Herbert H. Frost
Theses and Dissertations
A seasonal change occurred in the type of food consumed by the birds studied. Plant food was more important in the winter than in the summer. Animal food, except in one species, was found to be more important during the summer months. The most important plant foods determined by frequency and listed in order of their abundance were: Helianthus annuus, Celtis sp., Quercus sp., Polygonum convolvulus, Amaranthus blitoides, Chenopodium album, and Amaranthus graecizans. The most important animal foods based on occurance in stomachs examined were: Coleoptera, Hymenoptera, Lepidoptera larvae, Orthoptera, Undetermined larvae, Diptera, Homoptera, Coleoptera larvae, Araneae, and Hemiptera. Seventeen …
The Cost Of Producing Eggs And The Egg Feed Ratio In Utah 1929-'46, Emer E. Broadbent
The Cost Of Producing Eggs And The Egg Feed Ratio In Utah 1929-'46, Emer E. Broadbent
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Commercial egg production in Utah has developed largely since 1920. Prior to that time most farms had some chickens but the eggs were either used at home or consumed on the local markets. What few commercial poultry farms there were also supplied local markets. It has been estimated that the total egg production in the stat was just about equal to the consumption within the state. Soon after1920 however, egg production on a commercial basis began and thereafter expanded rapidly for a time.
A Taxonomic Study Of The Adult Mosquitoes Of Utah County With Notes On The Biology And Distribution Of The More Common Species 1946-1947, Cluff E. Hopla
A Taxonomic Study Of The Adult Mosquitoes Of Utah County With Notes On The Biology And Distribution Of The More Common Species 1946-1947, Cluff E. Hopla
Theses and Dissertations
In Utah County, information has been lacking concerning the taxonomy and distribution of mosquitoes. With the knowledge of this condition, it is felt that information can be presented which will be of value both to the scienoe of Entomology and the area concerned.
A Taxonomic Study Of The Scolytidae (Coleoptera) Of The Logan Canyon Area Of Utah, Stephen L. Wood
A Taxonomic Study Of The Scolytidae (Coleoptera) Of The Logan Canyon Area Of Utah, Stephen L. Wood
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
In spite of the great economic importance of north American Scolytidae, many taxonomic descriptions remain inadequate for the identification of species, and existing keys have been made obsolete by the recent description of new species. To bring these keys up to date and make them useful to students and practical foresters, detailed studies of the morphological structure of the various species are necessary. The purpose of the present investigation has been to clarify and revise existing keys and to describe briefly the species of Scolytidae occurring in the Logan Canyon area of Utah. The following keys and descriptions will be …
History Of The Cotton Mission And Cotton Culture In Utah, Ivan J. Barrett
History Of The Cotton Mission And Cotton Culture In Utah, Ivan J. Barrett
Theses and Dissertations
The writer, being interested in the agricultural project of cotton growing in early Dixie, and finding scarcely anything written on the subject, has gone into the original sources, histories, journals, diaries, etc., and found a reservoir of enlightenment regarding cotton culture in Utah's Dixie. He has tried to assemble from the most important sources, an informative yet interesting study of cotton culture in Utah. The writer in no wise pretends to have exhausted the subject, nor to have reached all the sources. Many of those early cotton growers who did most to produce this staple, kept no record of their …