Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 9 of 9 for “"Western Wheatgrass"”.
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Canada thistle (Cirsium arvense [L.] Scop.) response to mowing, herbicide, competitive grasses, and soil amendments on wetland, upland, and mesic sites
… control. Grasses used included two natives (western wheatgrass [Pascopyrum smithii {Rydb.} A. Löve], streambank wheatgrass [Elymus lanceolatus {Scribn. & J.G. Sm.} Gould ssp. lanceolatus]) and one sterile hybrid (common wheat [Triticum aestivum L.] x tall wheatgrass [Thinopyrum ponticum …
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Key To Microscopic Fragments of Plant Tissue in Prairie Dog Stomachs and Food Habits of Prairie Dogs in South Dakota
… filifolia), blue grama (Bouteloua gracilis), and western wheatgrass (Agropyron smithii). Seasonal differences for spring and summer were not significant (P>0.05). Insect matter and seed material were not important (less than 5 percent). Winter food habits showed an increase in importance of …
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Phenotypic Plasticity of Native and Invasive Cool-Season Grasses in Response to Frequency of Moisture Availability
… (Canada wildrye) and Pascopyrum smithii (western wheatgrass)). In part one, I created water availability stress in three different soils. Biomass of each species was compared between high, medium, and low watering frequencies to determine plasticity of native and invasive species in …
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Russian wheat aphid, Diuraphis noxia (Kurdjomov), ecology and reproduction on five noncultivated grass hosts in high elevation environments
… and predator collections were made from crested wheatgrass, intermediate wheatgrass, slender wheatgrass, western wheatgrass, and foxtail barley at 23 sites, between 1,829-2,743 min the Cache La Poudre River canyon, Larimer County, Colorado. Four suction traps were installed at 1,655, 1,992, …
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Modeling the Impacts of Rangeland Management Practices on Flow and Sediment Using SWAT
… Creek is a small un-gauged watershed located in western South Dakota and is a tributary to the Bad River. Watershed characteristics, management information, and weather data was collected for a period of October 1, 1991 through September 30, 1993. Delineation of the watershed was based on the …
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Use of Natural Vegetative Barriers to Limit Black-Tailed Prairie Dog Town Expansion in Western South Dakota
… associated with prairie dog towns in western South Dakota. Five study sites were established in western South Dakota on rangelands containing prairie dog towns of adequate size (! 10 ha). Electric fences were constructed to exclude cattle and create buffer strips of naturally occurring …
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Reproductive Success and Brood Habitat Use of Greater Prairie Chickens and Sharp-Tailed Grouse on the Fort Pierre National Grassland of Central South Dakota
… preferentially selected habitats composed of western wheatgrass (Pascopyrum smithii), green needlegrass (Nassella viridula) and Japanese brome (Bromus japonicus). They avoided habitats composed of smooth brome (Bromus inermis) and porcupine grass (Hesperostipa spartea). ST broods …
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Yield and quality of cool-season perennial grasses for forage and biomass feedstocks in Northeast Colorado
… C3 species utilized in the Northeastern and the Western of the United States for rangeland and pasture cattle production. Production difficulties are less likely in some of the hardier C3 grasses in cooler environments. C3 grasses have been historically utilized for animal forage because of …