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Utah State University

All Graduate Theses and Dissertations, Fall 2023 to Present

Conifer

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Full-Text Articles in Life Sciences

Dusky Grouse Population Ecology And Thermal Landscape Ecology In The Great Basin Ecosystem, Stephanie M. Landry Dec 2023

Dusky Grouse Population Ecology And Thermal Landscape Ecology In The Great Basin Ecosystem, Stephanie M. Landry

All Graduate Theses and Dissertations, Fall 2023 to Present

Dusky Grouse are a mountainous forest grouse found throughout the western, inland mountain ranges of the United States and Canada. While a few studies have looked at Dusky Grouse in the Rocky Mountain Ecosystem of their range, there have been no prior studies of the Dusky Grouse in the Great Basin Ecosystem aside from a brief survey by Zwickel and Bendell in 2004 in the Duck Creek Range of Nevada. With the available habitats differing in both species diversity and availability on the landscape between the two Ecosystems, I wanted to assess characteristics about the Dusky Grouse populations at the …


Balsam Woolly Adelgid And Host Forest Characteristics: Impacts And Interactions In Recently Invaded Areas Of Northern Utah And Southeastern Idaho, Grayson B. Jordan Dec 2023

Balsam Woolly Adelgid And Host Forest Characteristics: Impacts And Interactions In Recently Invaded Areas Of Northern Utah And Southeastern Idaho, Grayson B. Jordan

All Graduate Theses and Dissertations, Fall 2023 to Present

The balsam woolly adelgid (BWA), is an invasive forest insect native to central and southern Europe. In 2017, it was detected in Utah for the first time. While BWA had limited impact as a pest in its native European range, it has caused considerable damage to true fir populations in North America. In the Intermountain region, subalpine fir has been identified as the tree species most at risk of BWA infestation. Subalpine fir provides a variety of ecosystem services and is a critical component of the spruce-fir alpine forests of the area. With an expected increase in the severity and …