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Filtering by: Degree Field Rangeland Science Academic Affiliation Animal and Rangeland Sciences

Canyon Grasslands of the Hells Canyon National Recreation Area : How have they changed over time and what is their future trajectory?

Creator:

Pack, Samantha J.

Abstract:

The canyon grasslands of the Hells Canyon National Recreation Area (HCNRA) are a unique ecosystem within the Pacific Northwest Bunchgrass Region (PNWBR) with a long history of natural and anthropogenic disturbances including fire, invasive species introduction, historical livestock grazing, and cultivation. Even with this history, these canyon grasslands contain some...

Resource Type:

Masters Thesis

Full Text:

AN ABSTRACT OF THE THESIS OF Samantha J. Pack for the degree of Master of Science in Rangeland
Non-native and native plant species distributions and variability along an elevation gradient in the Wallowa Mountains, Oregon

Creator:

Averett, Joshua P.

Abstract:

Invasion by non-native plants into natural areas is an important component of global change that threatens biodiversity and ecosystem structure and function. Mountains are currently among the least invaded ecosystems, however, these biodiversity hotspots are increasingly under threat of exotic plant invasion. Evaluation of plant species distribution patterns in mountain...

Resource Type:

Masters Thesis

Full Text:

OF Joshua P. Averett for the degree of Master of Science in Rangeland Science presented on June