Rangeland Ecology & Management
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- Library Collection RecordIngestion of tall larkspur (Delphinium barbeyi L. Huth) is a major cause of cattle death on ranges where the plant occurs. The amount and timing of tall larkspur ingestion by grazing cattle was…Publication Date 1988-03-01
- alkaloids
- Delphinium barbeyi
- ingestion toxicity
- mountain grasslands
- grazing behavior
- cattle
- phenology
- rangelands
- Utah
- poisonous plants
- Library Collection RecordUnderstanding the conditions in which livestock consume poisonous plants is necessary to develop management strategies to reduce losses. Three 10-day grazing trials were conducted to observe…Publication Date 1987-07-01
- premature birth
- prevention
- maturity
- pods
- developmental stages
- Oxytropis
- weed palatability
- flowers
- Oxytropis sericea
- grazing experiments
- stocking rate
- Hereford
- steers
- Utah
- feeding preferences
- Library Collection RecordThe feasibility of using esophageal extrusa to monitor dietary tannin levels was studied using 4 shrub species (Purshia tridentata, Quercus gambelii, Cercocarpus montanus and Acer grandidentatum).…Publication Date 1987-09-01
- Acer saccharum subsp. grandidentatum
- mastication
- Quercus gambelii
- saliva
- phenolic compounds
- Purshia tridentata
- browse plants
- esophagus
- tannins
- crude protein
- cattle
- in vitro digestibility
- Utah
- Cercocarpus montanus
- Library Collection RecordAn approach was developed for estimating the economic optimum rate of initial overstory kill for increasing seasonal forage availability. The model was formulated using: (1) a biological production…Publication Date 1988-03-01
- scrub control
- overstory control
- understory release
- econometric models
- optimization
- Agropyron desertorum
- Agropyron cristatum
- crop production
- Artemisia tridentata
- range management
- Utah
- forage
- Library Collection RecordFour communities or sites dominated by blackbrush (Coleogyne ramosissima Torr.) were studied in the Kaiparowits Basin of southern Utah and northern Arizona. One site has been heavily grazed yearlong…Publication Date 1987-09-01
- Coleogyne ramosissima
- ground cover
- vegetation types
- plant communities
- Utah
- livestock
- grazing
- Arizona
- Library Collection RecordUtilization of a crested wheatgrass pasture was studied at constant stocking rate (3 cattle/ha) in pastures of 1, 2, 4, and 8 ha, with herd sizes ranging from 3-24 head. Pasture utilization on a…Publication Date 1988-01-01
- livestock numbers
- Agropyron desertorum
- pastures
- grazing behavior
- cattle
- Utah
- feeding preferences
- Library Collection RecordAnimal performance and nutrition under short duration grazing (SDG) and season-long grazing (SLG) were compared on spring-grazed crested wheatgrass [Agropyron desertorum (Fisch.) Schult. and A.…Publication Date 1988-05-01
- nutrient requirements
- forage evaluation
- animal production
- controlled grazing
- browse plants
- Agropyron desertorum
- liveweight gain
- Agropyron cristatum
- heifers
- Utah
- grazing
- feed intake
- Library Collection RecordPlanting palatable shrubs and legumes into an established stand of crested wheatgrass (Agropyron desertorum and A. cristatum) could increase forage yield and nutritional quality. Preferential grazing…Publication Date 1987-11-01
- transplanting
- interplanting
- planting
- Bassia prostrata
- Medicago sativa
- Agropyron desertorum
- Atriplex canescens
- Agropyron cristatum
- growth
- cutting
- Artemisia tridentata
- crop yield
- plant competition
- rangelands
- Utah
- Library Collection RecordA fence line contrast was provided by a deer fence that bisected a mountain big sagebrush (Artemisia tridentata ssp. vaseyana) community. The sagebrush community was located on an exposed, west-…Publication Date 1988-03-01
- dieback
- plant community analysis
- ecological succession
- mortality
- mountain grasslands
- Artemisia tridentata
- Odocoileus hemionus
- browsing damage
- Utah
- Library Collection RecordA study was conducted in Rich County, Utah, to determine the relationship between land ownership and range condition. Analysis of variance and paired-plot t-tests were used to compare range condition…Publication Date 1987-07-01
- analysis of variance
- expenditures
- public ownership
- correlation
- environmental assessment
- private ownership
- land ownership
- sampling
- rangelands
- Utah
- grazing
- Library Collection RecordSoil textural relationships were used on 3 soil series on both plowed and native rangeland to predict Green and Ampt infiltration equation parameters. Infiltration rates predicted from the Green and…Publication Date 1988-03-01
- soil organic matter
- physicochemical properties
- rangeland soils
- methodology
- soil water content
- Utah
- infiltration
- bulk density
- soil texture
- Library Collection RecordThe successful establishment of perennial grass seedlings on Artemisia rangelands may depend on germination in the early spring at cold seedbed conditions. To ascertain the feasibility of selecting…Publication Date 1986-07-01
- Elytrigia repens
- cold tolerance
- Elytrigia intermedia subsp. intermedia
- hybrids
- lines
- Agropyron desertorum
- seed germination
- Utah
- Library Collection RecordBecause of restrictions imposed by crossing barriers, crested wheatgrass breeders have usually limited themselves to selection and hybridization within ploidy levels i.e., diploid (2n=14), tetraploid…Publication Date 1986-05-01
- seed production
- interspecific hybridization
- agronomic traits
- plant breeding
- Agropyron desertorum
- genetic variation
- tetraploidy
- Agropyron cristatum
- semiarid zones
- rangelands
- Utah
- Library Collection RecordGrazing sheep on improved pastures during winter offers an economically attractive alternative to supplementation in sage-brush steppe ecosystems. We studied diet selection and nutrition of sheep…Publication Date 1986-11-01
- Agropyron desertorum
- steppes
- grazing experiments
- pastures
- winter
- woody plants
- animal nutrition
- digestibility
- sheep
- range management
- rangelands
- Utah
- grazing
- feed intake
- feeding preferences
- Library Collection RecordLight and temperature dependencies for net photosynthesis and stomatal conductance were generally very similar between foliage on crested wheatgrass (Agropyron desertorum (Fisch. ex Link) Schult.)…Publication Date 1986-09-01
- characteristics
- stomatal movement
- plant physiology
- Pseudoroegneria spicata
- light intensity
- Agropyron desertorum
- photosynthesis
- gas exchange
- temperature
- phenology
- rangelands
- Utah
- Library Collection RecordThe perpetuation of legumes in rangeland pasture plantings is dependent upon natural seeding and nodulation of the seedlings by naturalized soil rhizobia. This study determined the distribution and…Publication Date 1987-05-01
- rhizosphere
- Sinorhizobium meliloti
- nitrogen fixation
- spread
- rangeland soils
- Medicago sativa
- symbiosis
- populations
- Idaho
- Utah
- Library Collection RecordUtilization studies conducted on a high mountain range determined the quantity and timing of white locoweed (Oxytropis sericea Nutt.) consumption by cattle. Paired plots (one caged and one grazed)…Publication Date 1986-07-01
- toxins
- utilization
- consumption
- mountains
- Oxytropis
- grazing behavior
- cattle
- rangelands
- Utah
- forage
- Library Collection RecordWe observed the effects of accessions of big sagebrush (Artemisia tridentata) on big sagebrush utilization by wintering domestic sheep. The sheep had continuous access to high quality alfalfa hay and…Publication Date 1987-03-01
- genotype
- winter
- Artemisia tridentata
- sheep
- grazing behavior
- Utah
- grazing
- feeding preferences
- Library Collection RecordCanopy cover of vegetation dominated by Gambel oak was determined in 1983 in adjacent canyons characterized by different grazing histories. Results were compared with data collected in 1935, and the…Publication Date 1986-11-01
- brushwood and scrub
- mountains
- mountain areas
- highlands
- ecological succession
- botanical composition
- Utah
- livestock
- zero grazing
- Library Collection RecordSome high-elevation summer ranges in southwestern Utah are characterized by a dominance of grass and low-value forbs. A reference area of forb dominance provides a striking contrast to these grass…Publication Date 1986-09-01
- long term experiments
- regenerative ability
- vegetation
- mountain grasslands
- sheep
- Utah
- grazing
- Library Collection RecordLegumes are beneficial in providing high quality forage and enhancing fertility levels in the soil by biological nitrogen fixation. Nonperennial Medicago species have a world-wide distribution and…Publication Date 1986-01-01
- resowing
- Medicago
- legumes
- pastures
- establishment
- range management
- Utah
- Library Collection RecordGenotypic and phenotypic variations are characteristic among big sagebrush (Artemisia tridentata) plants. One obvious expression is the variability of big sagebrush plant stature along soil-water…Publication Date 1986-03-01
- ploidy
- gradients
- size
- genotype-environment interaction
- phenotype
- genotype
- genetic variation
- Wyoming
- Artemisia tridentata
- rangelands
- Utah
- plant height
- soil water
- Library Collection RecordSplit enclosures, half grazed and half ungrazed by cattle in summer, were compared for mule deer habitat use in late summer using tame deer. Diet composition, dietary nutrition, and area selected for…Publication Date 1986-01-01
- mountains
- Odocoileus
- diet studies
- grazing behavior
- cattle
- range management
- rangelands
- Utah
- grazing
- Library Collection RecordGrazing trials were conducted on high elevation summer range in southwestern Utah, with cattle and sheep stocked separately and together in .4-ha paddocks. Vegetation measurements were taken before…Publication Date 1985-07-01
- symphoricarpos oreophilus
- Symphoricarpos
- foraging
- highlands
- grazing intensity
- sheep
- cattle
- rangelands
- Utah
- Library Collection RecordMost studies of the impacts of fire in sagebrush-grass vegetation in the Great basin have involved recovery on sites seriously depleted of native perennial bunchgrasses. The usual recommendation is…Publication Date 1985-03-01
- vegetation management
- fires
- fire effects
- Artemisia tridentata
- Utah
- Library Collection RecordPrecise and accurate plant weight data are important to range managers, but difficult and expensive to obtain. Indirect and nondestructive estimates are especially desirable where vegetation is…Publication Date 1986-03-01
- indirect methods
- nondestructive methods
- biomass determination
- browse plants
- Krascheninnikovia lanata
- weight
- range management
- rangelands
- Utah
- Library Collection RecordEight general study sites were examined in the blackbrush (Coleogyne ramosissima) zone of southwestern Utah in order to assess the impact of burning. All sites had been burned. Age since burning…Publication Date 1985-11-01
- Coleogyne ramosissima
- deserts
- vegetation types
- dominant species
- plant ecology
- ecological succession
- fires
- fire effects
- prescribed burning
- plant communities
- range management
- Utah
- Library Collection RecordLarger ratios of males to females were found among fawns from herd units where forage production on the summer ranges was low and the forage base was dominated by browse. Summer ranges where forage…Publication Date 1984-01-01
- Utah
- Library Collection RecordTrue mountain mahogany (Cercocarpus montanus Raf.) and its habitats were studied in the canyons and foothills of the Wasatch Mountains of Central Utah. Twenty populations were selected and sampled…Publication Date 1984-07-01
- habitats
- ecological succession
- Utah
- Cercocarpus montanus
- Library Collection RecordThe herbicide tebuthiuron was applied aerially in replicated parallel strips at rates of 0, 1.3, 2.0, and 2.7 kg/ha a.i. (active ingredient) in 40% pellets on a Utah juniper stand, and at rates of 0…Publication Date 1985-01-01
- Juniperus osteosperma
- tebuthiuron
- Artemisia tridentata
- Utah
- Library Collection RecordSmall mammal populations were sampled annually over 4 years in native plant communities and improved rangeland types. All species of rodents were relatively less abundant where western wheatgrass was…Publication Date 1984-07-01
- rodents
- vegetation
- wildlife management
- rangelands
- Utah
- Library Collection RecordThis study was conducted to examine both spatial and temporal variability of infiltration rates on a rangeland site in west-central Utah. The experiment utilized a grid 20 m long and 18 m wide in…Publication Date 1984-09-01
- experimental design
- seasonal variation
- rangelands
- Utah
- infiltration
- soil water
- 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
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