Human Ecology Commons^™

Exploring A Stable Aspen Niche Within Aspen-Conifer Forests Of Utah, Cody M. Mittanck

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

This study addresses a critical issue faced by resource managers confronting aspen restoration projects in the Intermountain West. Quaking aspen (Populus tremuloides Michx.) forests have received a large amount of popular and academic attention over the last decade due to concerns over decline. As a result, both private and public forest resource managers have focused attention on actively restoring aspen communities through treatments such as prescribed burning, logging, and grazing exclosures to name a few. There is increasing evidence suggesting the existence of "stable" aspen communities. This community type undergoes processes entirely different from successional aspen communities and …

The Spruce Gall Aphid Adelges Cooleyi (Gill) In Utah., Lagrande Stirland

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

This paper is the result of research started on the Campus of the Utah State Agricultural College in the Spring of 1928. It is the intention of the writer to give the economic importance of the insect in the State; kind and extent of damage done by the insect, life history and control of the insect as far as it has been found.

The problem is not completed, nor is all the material included the results of the writer's own investigation. However, it has been the object of the writer to study forms as they exist in Utah, and to …