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Filtering by: Subject Endemic plants -- Oregon -- John Day Fossil Beds National Monument

Geographic variation in distribution and cover of principle native and non-native plant species along gradients of topography, climate, and disturbance in protected-area sagebrush steppe communities of the Columbia Plateau

Creator:

Esposito, Daniel M.

Abstract:

The sagebrush steppe ecosystem of the Columbia Plateau has become degraded by a long history of alternative land use and associated perturbations. Protection of remnant stands of intact sagebrush steppe currently relies upon their preservation within the nation's network of parks and protected-areas. The John Day Fossil Beds National Monument,...

Resource Type:

Masters Thesis

Full Text:

units of the John Day Fossil Beds National Monument, located in north-central Oregon
Long-term Fire Effects on Plant Succession and Exotic Weeds in Protected Area Sagebrush Steppe, John Day Fossil Beds National Monument, Oregon

Creator:

Reed-Dustin, Claire Marie

Abstract:

The historical function of fire in sagebrush steppe has been altered by 19th century overgrazing, active fire suppression, annual grass invasion and encroachment of woody species. The significance of fire to these systems is known, but research on long-term fire effects are limited. The Sheep Rock management unit of the...

Resource Type:

Masters Thesis

Full Text:

protected area sagebrush steppe, John Day Fossil Beds National Monument, Oregon