Rangeland Ecology & Management
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Displaying 101 - 150 of 237 results
- Library Collection RecordThe stem-diameter age relationships of salt cedar from 15 study sites in central Utah were investigated. Age prediction equations were generated and found significant (p<.001). Within restricted…Publication Date 1984-07-01
- Tamarix
- plant communities
- Utah
- Library Collection RecordDiets of bison (Bison bison) and cattle (Bos taurus) were evaluated in a shrub-steppe plant community in the Henry Mountains, Utah. Bison feces comprised 99% grasses and sedges and 1% forbs. Cattle…Publication Date 1984-05-01
- Utah
- Library Collection RecordRange managers often assume that release of vegetation from livestock grazing pressure will automatically result in a trend toward the pristine condition. The pathways and time scales for recovery…Publication Date 1984-05-01
- deserts
- Utah
- Library Collection RecordTwelve permanent vegetation sampling plots were established on Greatheart and Church mesas in Zion National Park, Utah. Both relict mesas are surrounded by cliffs but contain the same variety of soil…Publication Date 1984-09-01
- forest trees
- natural resource management
- national parks
- vegetation
- Utah
- Library Collection RecordManipulation of Gambel oak for enhanced rangeland values must be in accord with ecological principles to ensure desired success. Failures in controlling Gambel oak have occurred because the growth…Publication Date 1983-05-01
- Utah
- New Mexico
- Arizona
- Colorado
- Quercus gambelii
- brush problem species
- Library Collection RecordA plant establishment study was conducted in the oil shale region of northeastern Utah where annual rainfall averages 200 mm. Treatments consisted of annual weed removal for 2 years, for 1 year, and…Publication Date 1983-05-01
- arid zones
- Utah
- competition
- Library Collection RecordThree procedures were used to estimate snowberry biomass browsed at 3 stocking intensities by domestic sheep on mountain range in southwestern Utah. Two regression equations and (percentage of)…Publication Date 1983-07-01
- Utah
- grazing
- Library Collection RecordBasin and Wyoming big sagebrush plants growing in contiguous populations were studied to identify potential habitat differences in plant water and soil relationships. At 3 study sites, basin big…Publication Date 1983-07-01
- Artemisia tridentata
- Utah
- Library Collection RecordWild wintering mule deer browsed on a uniform shrub garden near Helper, Utah. On this garden, 21 accessions from 5 Artemisia taxa were selected to test the relationship between deer preference for…Publication Date 1983-07-01
- Utah
- Artemisia
- Library Collection RecordThe winter distribution of pronghorn over a 142-km2 area on the Desert Experimental Range was significantly related to sheep grazing during the current winter, presence of black sagebrush, and…Publication Date 1983-11-01
- Utah
- Library Collection RecordAreas grazed and ungrazed by cattle in spring were compared for regrowth of crested wheatgrass on a big sagebrush-grass range. Overwinter utilization of crested wheatgrass by tame mule deer and their…Publication Date 1983-09-01
- Utah
- Library Collection RecordChanges in aspen reproduction and undergrowth production and composition were recorded over a 3-year period following clearcutting. Aspen suckers increased from 2,300 per hectare prior to cutting to…Publication Date 1982-11-01
- Early Succession
- clearcutting
- Aspen Communities
- Aspen Reproduction
- Undergrowth Production
- Suckers
- Chicken Creek
- composition
- Populus tremuloides
- forbs
- Utah
- Library Collection RecordGrowth characteristics of 17 accessions and 1 selection of fourwing saltbush (Atriplex canescens [Pursh] Nutt.) at 2 sites in Sanpete Valley, central Utah, were scored on 6-year-old mature plants.…Publication Date 1983-01-01
- Utah
- Library Collection RecordTwo of 5 populations of fourwing saltbush (Atriplex canescens) examined in eastern Utah did not accumulate appreciable amounts of sodium in leaf tissue while 3 populations did accumulate sodium in…Publication Date 1982-11-01
- fourwing saltbush
- Sodium Biotypes
- oil shale
- responses
- juniper
- sodium
- greasewood
- potassium
- Salts
- Shadescale
- sagebrush
- Atriplex canescens
- Utah
- Library Collection RecordSoil water patterns were studied from June 1973 to February of 1977 in pinyon-juniper woodland, on pinyon-juniper areas chained and windrowed (grazed and ungrazed), and on pinyon-juniper areas…Publication Date 1982-11-01
- woodlands
- water storage
- impacts
- Soil Water Patterns
- pinyon-juniper
- Woodrowing
- debris
- Colorado Plateau
- chaining
- burning
- treatments
- grazing
- cover
- Utah
- crested wheatgrass
- Library Collection RecordThree levels of goat browsing on a blackbrush site in southwestern Utah had no significant impact on infiltration rates. The probable reason for these results was the presence of a vesicular soil…Publication Date 1983-03-01
- Utah
- browsing
- blackbrush
- Coleogyne ramosissima
- hydrology
- Library Collection RecordCurrent strategies for protecting archaeological sites during implementation of brush management practices such as chaining are frequently inadequate. Potentially significant prehistoric remains are…Publication Date 1983-03-01
- Utah
- brush management
- range improvement
- Library Collection RecordPygmy rabbits were used in feeding trials to rate preference of 15 populations of 2 subspecies of big sagebrush (Artemisia tridentata ssp. vaseyana, Artemisia tridentata ssp. tridentata).…Publication Date 1982-11-01
- Dubois
- populations
- Pygmy Rabbits
- Brachylagus idahoensis
- Monoterpenoid Content
- dietary preferences
- Brigham Young University
- Food Pellets
- preference
- U.S. Sheep Experiment Station
- big sagebrush
- Idaho
- Artemisia tridentata
- Utah
- Library Collection RecordThis study considered the feasibility of supplementing crested wheatgrass (Agropyron cristatum Fisch.) forage with some common rangeland shrubs. The necessary proportions of shrub and grass in the…Publication Date 1982-11-01
- nutrient requirements
- Falle
- Early Winter
- digestible protein
- Nephi Field Station
- fourwing saltbush
- body weight
- Supplementation
- Range Shrubs
- energy
- shrubs
- Rabbitbrush
- protein
- sagebrush
- Agropyron cristatum
- sheep
- Utah
- crested wheatgrass
- Library Collection RecordForage from a sagebrush-dominated winter range and rumen ingesta from mule deer wintering on this range were analyzed for monoterpenoids. The average monoterpenoid level of the rumen ingesta was 0.3…Publication Date 1982-03-01
- Utah
- Library Collection RecordThis study was conducted on sandy loam soils in southeastern Utah during summers of 1971 and 1972. Forage removal and soil compaction had no consistent effect on infiltration rates. However, the…Publication Date 1981-09-01
- Utah
- Library Collection RecordThe relation of some physical and chemical soil characteristics to cryptogamic crust development was determined from sites in semidesert regions of southern Utah. The effects of grazing on…Publication Date 1982-03-01
- deserts
- Utah
- Library Collection RecordEven-aged plants of 21 big sagebrush (Artemisia tridentata) accessions were grown in a uniform garden to test growth parameter variation. Growth parameters measures (height, crown diameter, yield,…Publication Date 1982-05-01
- Utah
- Library Collection RecordThis study, undertaken as a cooperative effort between the Utah State University Range Science Department and the Instructional Development office, surveyed 138 alumni of the department to assist in…Publication Date 1981-11-01
- Utah
- Library Collection RecordThe three subspecies of big sagebrush (Artemisia tridentata) are dominant shrubs over much of the Intermountain West. Because the subspecies differ in palatability and habitat requirements,…Publication Date 1982-01-01
- Idaho
- Montana
- Utah
- Library Collection RecordRange exclosures located throughout Utah in cool desert shrub communities were analyzed to determine, (1) the response of cryptogamic crusts to grazing, (2) soil variables that influence the…Publication Date 1982-05-01
- Utah
- Library Collection RecordEight alfalfa populations were seeded in a dryland pasture in northern Utah. Densities of mature plants, seeds, seedlings, and 1-year-old plants were measured in each of 3 years. The populations did…Publication Date 1982-01-01
- semi-arid zone
- Utah
- Library Collection RecordRegression was used to relate branch diameter to branch length (r = 0.85) and weight (r2=0.94) for blackbrush plants in southwestern Utah. These regression equations were subsequently used to…Publication Date 1981-05-01
- Utah
- Library Collection RecordDefoliation of individual plants by sheep grazing a shrub-steppe community in the foothill ranges of northern Utah was examined during a spring grazing. Five sites (each approx. 120 m2) within the…Publication Date 1980-05-01
- Utah
- Library Collection RecordAcetylene reduction rates, N2[C2H2], were obtained to estimate nitrogen fixation by several introduced and native range legume species. The N2[C2H2] fixation rates of excised root segments with…Publication Date 1981-05-01
- Idaho
- Utah
- Library Collection RecordProduction of curlleaf mountain mahogany (Cercocarpus ledifolius) within browsing height of big game on winter ranges was increased 500-900% when 90-99% of the canopy was pruned from mature trees.…Publication Date 1980-07-01
- Utah
- Library Collection RecordSeveral grazing systems were compared on the Diamond Mountain Cattle Allotment of the Ashley National Forest in Utah. The area is about 8,000 ft in elevation and receives 20-25 inches of…Publication Date 1981-01-01
- Utah
- Library Collection RecordThe accuracy of aerial censuses in estimating absolute density of wildlife populations varies widely. Aerial censusing of wild horses was done to compare the effects of experience and aircraft type.…Publication Date 1979-01-01
- Utah
- Library Collection RecordFourteen male pronghorn (Antilocapra americana), two in each of seven spring and summer months, were killed to obtain rumen and fecal matter for comparing methods of determining diets. They came from…Publication Date 1979-07-01
- Utah
- Library Collection RecordUtah serviceberry (Amelanchier utahensis Koehne) and its habitats were studied in the Wasatch Mountains of central Utah. Twenty-five populations were selected and sampled for various biotic and…Publication Date 1979-09-01
- mountains
- mountain areas
- highlands
- Utah
- Library Collection RecordLate spring grazing by sheep altered the amount of several forage categories available to deer the subsequent autumn and winter. Total herbaceous plant material was much reduced by spring-time sheep…Publication Date 1979-01-01
- Utah
- Library Collection RecordDuring 1976 a study of annual production and cover (litter + rock + vegetation) on various range improvement practices was conducted in Utah, Colorado, New Mexico, and Arizona. The range improvement…Publication Date 1979-03-01
- river basins
- Utah
- New Mexico
- Arizona
- Colorado
- Library Collection RecordStepwise regression analyses were used to examine the relationships between annual production of seven cold desert forage species and climate variables at different periods of the year. No…Publication Date 1980-01-01
- deserts
- Utah
- Library Collection RecordCurrent and pending legislation will require that lands disturbed by mining activities be revegetated. Since few adapted species are now available for reclamation of such lands in the arid zone, this…Publication Date 1978-11-01
- Utah
- Library Collection RecordRetention of weaner calves to be marketed as yearlings directly from range has been recently suggested as a possible means for the cow-calf operator to cope with the depressed calf market. Although…Publication Date 1979-05-01
- Western States (USA)
- Utah
- Library Collection RecordSix demonstration burns were conducted between 1974 and 1976 as part of the Utah Rangeland Development Program. Big sagebrush (Artemisia tridentata), the target species, was essentially eliminated on…Publication Date 1979-07-01
- Utah
- Library Collection RecordDuring 1976 a study of soil profile salt concentrations and probable salt loading by surface runoff was made on 73 range improvement sites in Utah, Colorado, New Mexico, and Arizona. The range…Publication Date 1979-05-01
- Utah
- New Mexico
- Arizona
- Colorado
- Library Collection RecordSelected cultivars and strains of alfalfa were seeded at five locations in Northern Utah during 1953 and 1954. Average annual precipitation ranged from 20 to 36 cm. Observations and detailed plant…Publication Date 1979-01-01
- Utah
- Library Collection RecordChart quadrat records periodically taken at the Desert Experimental Range in southwestern Utah over 34 years were examined for evidence of establishment and survival of eight major perennial plant…Publication Date 1979-11-01
- deserts
- Utah
- Library Collection RecordTen sheep ranches in southwestern Utah were chosen for a verification study of sheep losses during 1972-1975. Using the ratio of verified predator kills to total lamb carcasses discovered, total lamb…Publication Date 1979-07-01
- Utah
- Library Collection RecordSub-freezing winter cold occasionally causes extensive damage to rangeland shrubs. Bitterbrush (Purshia tridentata) was damaged in northern Utah during the winter of 1972-1973. The damage appeared to…Publication Date 1979-05-01
- Utah
- Library Collection RecordA study was conducted in northern Utah in 1974 to determine the distribution of nonstructural carbohydrates (NC) and lipids in snowberry (Symphoricarpus oreophilus). Snowberry biomass was sampled and…Publication Date 1978-03-01
- Utah
- Library Collection RecordEcological relationships between true mountain mahogany and pinyon-juniper stands in the Uintah Basin, Utah, were measured to detect differences between the two community types. The mountain mahogany…Publication Date 1978-05-01
- Utah
- Library Collection RecordTall larkspur (Delphinium barbeyi Huth.) was chemically controlled in the subalpine areas of the Manti Canyon Cattle Grazing Allotment in Central Utah, and the reduction in cattle losses on…Publication Date 1977-11-01
- Utah
- Library Collection RecordThe effects of contour furrows and gully plugs on erosion and sedimentation within the Cisco Basin, Utah, were evaluated over a 3- to 4-year period. Soils on the study area were generally less than…Publication Date 1977-07-01
- Utah