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Filtering by: Advisor Borsa, Paul A. Advisor Doescher, Paul S.

Drivers of plant community dynamics in sagebrush steppe ecosystems : cattle grazing, heat and water stress

Creator:

Reisner, Michael D.

Abstract:

Sagebrush steppe ecosystems are one of the most widespread but endangered ecosystems in North America. A diverse array of human-related stressors has gradually compromised these ecosystems' resilience to disturbance and invasion by Bromus tectorum (cheatgrass). The role of the foundational shrub Artemisia as a driver of herbaceous community structure and...

Resource Type:

Dissertation

Full Text:

: _____________________________________________________________________ Paul S. Doescher David A. Pyke Sagebrush steppe ecosystems are one of the most
Sugar application and nitrogen pools in Wyoming big sagebrush communities and exotic annual grasslands

Creator:

Witwicki, Dana L.

Abstract:

Within A rtemisia tridentata ssp. wyomingensis Nutt. (Wyoming big sagebrush) communities of the Great Basin, lands dominated by the exotic annual grass Bromus tectorum L. (cheatgrass) are increasing at an alarming rate. Carbon applications, which reduce plant-available soil N, have been suggested as a way to give native vegetation a...

Resource Type:

Masters Thesis

Full Text:

approved: Signature redacted for privacy. Signature redacted for privacy. Paul S. Doescher David A