Index Catalog // ScholarsArchive@OSU

Start Over

Filtering by: Creator Clausnitzer, David Non-Academic Affiliation Oregon State University. Graduate School

Field study of competition between medusahead (Taeniatherum caput-medusae ssp. asperum (Simk.) Melderis) and squirreltail (Elymus elymoides (Raf.) Swezey)

Creator:

Clausnitzer, David

Abstract:

Medusahead (Taeniatherum caput-medusae ssp. asperum (Simk.) Melderis) is a Eurasian annual grass that infests large areas of U.S. rangelands, dominating former bunchgrass/shrub sites. Squirreltail (Elymus elymoides (Raf.) Swezey) is a native perennial grass that has demonstrated the ability to establish in stands of medusahead. A study conducted on two sites...

Resource Type:

Masters Thesis
Hydric Soils in Eastern Oregon Temporary Pools

Creator:

Clausnitzer, David

Abstract:

Two types of temporary poois, known as playas, occur in semiarid southeast Oregon. Vegetated upland playas are found in the High Lava Plain province; barren alkaline-saline playas are found in the Basin and Range province. Both types become ponded in most years, but they often lack redoximorphic features indicative of...

Resource Type:

Dissertation