Rangeland Ecology & Management
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Displaying 101 - 150 of 167 results
- Library Collection RecordProduction of and nutrient concentrations in understory vegetation was measured in aspen stands representing three different seral stages in the Black Hills. There was little variation in…Publication Date 1982-11-01
- Aspen Understory
- Nutrient Concentrations
- Digestible Dry Matter
- Populus tremuloides
- Nutritive Content
- calcium
- fiber
- diet
- Black Hills
- nutritive value
- shrubs
- lignin
- protein
- phosphorus
- white-tailed deer
- forage production
- grass
- composition
- growth
- South Dakota
- production
- forbs
- Wyoming
- Library Collection RecordBotanical composition of the summer diet was determined for cattle grazing semiarid grassland in southeastern Wyoming. Diet samples from beef cattle with esophageal fistulas were examined using a…Publication Date 1982-05-01
- semi-arid zone
- Wyoming
- grazing semiarid grassland
- Library Collection RecordForage production and removal from tillers of western wheatgrass (Agropyron smithii Rydb.) and crested wheatgrass [Agropyron desertorum (Fisch. ex Link) Schult.] were studied at two stocking rates…Publication Date 1982-05-01
- Agropyron smithii
- Agropyron desertorum
- Wyoming
- Library Collection RecordLevel benches 4- and 8-m-wide were constructed at the Wyoming Agriculture Research and Extension Center, Gillette, Wyoming 1970. Replicated benches and controls were seeded with Ladak alfalfa, Nordan…Publication Date 1982-03-01
- Wyoming
- Library Collection RecordSpecies composition and total numbers of small mammals changed little in the unburned sagebrush while individual species capture rates varied considerably. Following spring burning, the number of…Publication Date 1982-03-01
- Wyoming
- Library Collection RecordInformation on the potential loss of forage that might be expected from grasshopper feeding in a given season would benefit ranchers and land managers if the loss could be estimated in the spring…Publication Date 1982-01-01
- Wyoming
- Montana
- Library Collection RecordAspen clones in varying degrees of deterioration were burned in northwestern Wyoming in an attempt to regenerate the site. Large numbers of aspen suckers are necessary to perpetuate these stands…Publication Date 1981-07-01
- Wyoming
- Library Collection RecordAt the Archer Substation near Cheyenne, Wyo., the leaves and flowers of the sandlily (Leucocrinum montanum) were collected separately between May 17 and 22 in 1976, 1977, and 1978 and their crude…Publication Date 1980-11-01
- Wyoming
- Library Collection RecordA clayey range site 56 km south of Gillette, Wyoming, was renovated in October, 1967, using a moldboard plow, disc plow, rotovator, blade, and atrazine applied in strips on April 30, 1968. Because of…Publication Date 1980-09-01
- Wyoming
- Library Collection RecordEffects of rate and season of nitrogen (N) application on the utilization, crude protein, and yield of mixed prairie in southeastern Wyoming were evaluated. Fertilization increased herbage production…Publication Date 1980-03-01
- Wyoming
- Library Collection RecordBighorn sheep and mule deer grazed bluebunch wheatgrass on areas on a Wyoming big sagebrush/bluebunch wheatgrass winter range significantly greater than adjacent unburned sites for 4 years after…Publication Date 1979-11-01
- Wyoming
- Library Collection RecordPlots on shortgrass rangeland in southeastern Wyoming that received high rates of nitrogen applied once in 1970 or four times (1970 through 1973) were split, and phosphorus (P2O5) at 56 kg/ha was…Publication Date 1979-11-01
- Wyoming
- Library Collection RecordExperimental results from two subalpine meadows in Wyoming suggest that prolonged snow cover due to winter cloud seeding could increase the productivity of dry meadows while causing a decline in the…Publication Date 1979-09-01
- Wyoming
- Library Collection RecordEnergy resource development in the Western United States must contend with the problem of water deficiency resulting from potential evapotranspiration rates which usually exceed precipitation rates.…Publication Date 1979-07-01
- river basins
- Wyoming
- Montana
- Library Collection RecordTopsoil from nearby undisturbed areas was stripped and directly laid over regraded overburden to a depth of about 20 cm at Kemmerer, Wyo., and Oak Creek, Colo. Native plant response was determined…Publication Date 1979-01-01
- Wyoming
- Colorado
- Library Collection RecordHigh rates of nitrogen applied at one time or over a 4-year period markedly changed the botanical composition of shortgrass range. Blue grama and buffalograss cover declined and western wheatgrass…Publication Date 1978-09-01
- Wyoming
- Library Collection RecordThis greenhouse study was initiated to determine potential plant growth on three surface-mined soils and their overburden, and on coal flyash mixtures from sites in Wyoming prior to field studies and…Publication Date 1977-07-01
- Wyoming
- Library Collection RecordTo help resolve conflicting claims about the severity of predator losses to the sheep industry, sheep losses from all causes were assessed during 1973-75 in five southern Wyoming ranches. Although…Publication Date 1977-07-01
- Wyoming
- Library Collection RecordThe seasonal foods selected by wild horses, cattle, elk, domestic sheep, and antelope on the Red Desert in southwestern Wyoming were determined by microscopic inspection of fecal material. A large…Publication Date 1977-01-01
- Wyoming
- Library Collection RecordCrested wheatgrass production was negatively correlated with Wyoming big sagebrush crown cover. Each 1% increase in sagebrush crown cover was associated with a decline in crested wheatgrass…Publication Date 1976-07-01
- Wyoming
- Library Collection RecordVariable costs of reseeding 64 range sites totaling over 10,000 acres of plains type range in Wyoming averaged $14.26 per acre, and total costs averaged $16.31 per acre at 1972 cost levels.…Publication Date 1975-11-01
- Wyoming
- Library Collection RecordRange renovation using a moldboard plow, disc plow, rotovator, blade, and strip spraying with atrazine was evaluated on a clayey and a sandy range site 35 miles south of Gillette, Wyoming. Herbage…Publication Date 1975-07-01
- Wyoming
- Library Collection RecordHerbage yields, crude protein levels, and mineral concentrations of crested wheatgrass were influenced by phenological development and distribution of spring precipitation at the Archer Substation…Publication Date 1975-05-01
- Wyoming
- Library Collection RecordA Nuttall saltbush (Atriplex gardneri) site in the Big Horn Basin of Wyoming was contour-furrowed and seeded to crested wheatgrass (Agropyron cristatum) by the Bureau of Land Management in 1957 as…Publication Date 1974-11-01
- Wyoming
- Library Collection RecordGross value of production from western rangelands average$7.46 per AUM based upon aggregate data from Wyoming, Utah, Nevada, and Oregon for 1966-70 and reached about $10 per AUM in 1972. Privately…Publication Date 1974-11-01
- Oregon
- Wyoming
- Nevada
- Utah
- Library Collection RecordWyoming ranks second in the nation in strippable coal resources, with at least 18.9 billion tons of coal presently recoverable. Mining this coal could disturb about 590 square miles (0.6%) of the…Publication Date 1974-09-01
- Wyoming
- Library Collection RecordUse of 2,4-D in an alpine plant community in the Medicine Bow Mountains of Wyoming almost completely eliminated Geum rossii. The graminoid: forb ratio of the vegetation was altered from approximately…Publication Date 1974-03-01
- Wyoming
- Library Collection RecordTests of many species over several years on seven sites show that smooth brome and meadow and creeping foxtails are adapted for seeding most mountain rangelands. However, smooth brome did not…Publication Date 1974-03-01
- Idaho
- Wyoming
- Utah
- Library Collection RecordRange renovation by strip spraying atrazine, pitting, and a combination of the two treatments was evaluated at the Archer Substation near Cheyenne, Wyoming. Perennial grasses plus sedges produced…Publication Date 1974-01-01
- Wyoming
- Library Collection RecordSpraying big sagebrush with 2,4-D in Wyoming reduced soil moisture loss 24% between June 24, the treatment date, and September 30. All of the reduction accrued by August 4, during the time of active…Publication Date 1973-11-01
- Year of Treatment
- Treatment Date
- Stratton Sagebrush Hydrology Study Area
- Unsprayed
- Nuttall
- Loss
- Moisture Depletion
- Sprayed
- vegetative growth
- water content
- soil moisture
- spraying
- big sagebrush
- grazing
- 2,4-D
- Wyoming
- Artemisia tridentata
- Library Collection RecordGround cover estimates on permanently marked plots in East Central Wyoming were compared between 1943 and 1965. On grazed native range plots, shortgrasses increased and midgrasses decreased when…Publication Date 1973-11-01
- 1943
- 1965
- Ground Cover Estimates
- Native Range Plots
- Open Plots
- Exclosure Plots
- perennial grass
- shortgrass plains
- grazing pressure
- Midgrass
- vegetation changes
- Plains Pricklypear
- Opuntia polyacantha
- grazing capacity
- Artemisia tridentata
- big sagebrush
- cover
- Wyoming
- Library Collection RecordWater harvesting efficiency of four soil surface treatments was studied for 5 years at Gillette, Wyoming, and the Central Plains Experimental Range near Nunn, Colorado. The surface treatments…Publication Date 1973-11-01
- salt
- Central Plains Experimental Range
- water harvesting
- Soil Surface Treatments
- Plastic
- Pea Gravel
- Asphalt Roll Roofing
- Stock Water Distribution
- efficiency
- Gillette
- herbage
- precipitation
- overgrazing
- Wyoming
- Colorado
- Library Collection RecordThe most successful conversions of sagebrush to crested wheatgrass, in areas of the Western United States that receive an average of 8 to 14 inches of precipitation annually, usually occur where the…Publication Date 1969-09-01
- Black
- cultural practices
- Sagebrush Conversion
- Moisture Holding Capacity
- Coarse Soil
- Site Groups
- Successful
- halophytes
- Big
- grass establishment
- Failure
- soil
- cheatgrass
- greasewood
- Shadescale
- precipitation
- vigor
- sagebrush
- Idaho
- Oregon
- Wyoming
- Artemisia tridentata
- Nevada
- Utah
- New Mexico
- Colorado
- grasslands
- crested wheatgrass
- Library Collection RecordThe effects of 0, 1, 2, and 3 years of grazing deferment after sagebrush control were compared on subalpine ranges of the Big Horn Mountains in Wyoming. On units open to grazing, utilization of Idaho…Publication Date 1969-07-01
- Subalpine Ranges
- Moderate Utilization
- Soldier Creek
- Antelope Butte
- Big Horn Mountains
- Idaho fescue
- revegetation
- season-long grazing
- Reinvasion
- Artemisia
- yield
- herbage production
- chemical control
- vigor
- sagebrush
- grazing
- 2,4-D
- deferment
- Wyoming
- Library Collection RecordOn grazed range in the Beaver Rim Area of Wyoming the density of young and mature sagebrush plants began to increase within 5 years after spraying and within 14 years there were more plants present…Publication Date 1969-05-01
- Life Expectancy
- Central Wyoming
- Beaver Rim Area
- Beaver Rim
- sagebrush control
- density
- Climax
- herbage production
- composition
- spraying
- grazing
- Wyoming
- Artemisia tridentata
- bunchgrasses
- Library Collection RecordEsophageal-fistulated yearling steers were grazed on shortgrass range units under a rotation and a seasonlong system. The digestibility and protein values of clipped grasses and sedges were compared…Publication Date 1969-05-01
- buffalo grass
- rotation
- western wheatgrass
- steers
- season-long grazing
- diet
- Agropyron smithii
- Forage Samples
- Clipped
- forbs
- Archer Substation
- gracilis
- Buchloe dactyloides
- Needleleaf Sedge
- Carex eleocharis
- In Vitro Digestion
- digestibility
- Grazed
- Bouteloua
- nutritive value
- esophageal fistula
- protein
- moisture
- precipitation
- utilization
- blue grama
- Wyoming
- Library Collection RecordCoal spoil banks near Kemmerer, Wyoming were subjected to several treatments designed to facilitate revegetation. These included the use of snowfence, jute net, and straw mulch applied to banks of…Publication Date 1969-03-01
- Coal Spoil Banks
- Snowfence
- Jute Net
- Straw Mulch
- seedling density
- Kemmerer Coal Fields
- Spoil Material
- Age of Spoil
- Economic Consideration
- stand establishment
- revegetation
- stand establishment
- treatments
- Wyoming
- Library Collection RecordThis report includes data on utilization of loco plant by sheep on winter range, a comparison of the toxicity of loco plant to sheep of different ages, influence of supplementation on the incidence…Publication Date 1968-11-01
- Loco
- Plant Poisoning
- Locoism
- locoweed
- Locoed
- Teratogenic
- Abrotifacient
- Blood Changes
- Nephritis
- pubentisismus
- Green River Milkvetch
- Aviodance
- Supplementation
- Infestation
- symptoms
- reproduction
- toxicity
- ecology
- Oxytropis
- Astragalus
- utilization
- prevention
- palatability
- age
- grazing
- sheep
- Wyoming
- Utah
- Library Collection RecordSoil moisture and temperature were measured for a five-year period on a mesic foothill grassland and on an arid cold desert shrub-type in western Wyoming. Herbage production increased on both the…Publication Date 1968-09-01
- grazing pressure
- Moisture Levels
- sagebrush control
- Temperature Changes
- Mesic Foothill Grassland
- herbage production
- Non Grazing
- Livestock Utilization
- Climax Composition
- Withdrawl
- recharge
- crown cover
- exclosures
- conditions
- Arid
- responses
- soil moisture
- big sagebrush
- grazing
- control
- Wyoming
- Artemisia tridentata
- basal cover
- Library Collection RecordSpraying big sagebrush with 2,4-D reduced the rate of soil moisture withdrawal. About 75% of the difference in total moisture depletion occurred within the 3- to 6-ft soil depth; an opposite effect…Publication Date 1968-01-01
- Soil Moisture Response
- Withdrawl
- Moisture Depletion
- evapotranspiration
- recharge
- Snowpack
- soil depth
- Dubois
- vegetative responses
- herbage production
- spraying
- big sagebrush
- control
- 2,4-D
- Wyoming
- Artemisia tridentata
- Library Collection RecordA 60- by 60-ft plot of Nuttall saltbush (Atriplex nuttallii) was completely harvested using 1- by 1-ft sampling units. Yield data for sampling units of various sizes and shapes were obtained by…Publication Date 1967-09-01
- Nuttall
- sampling units
- Saltbush Yield
- Yield Data
- Atriplex nuttallii
- Big Horn Basin
- effects
- estimates
- area
- efficiency
- variation
- Wyoming
- Library Collection RecordThis material was digitized as part of a cooperative project between the Society for Range Management and the University of Arizona Libraries. The Journal of Range Management archives are made…Publication Date 1967-07-01
- deteriorated ranges
- Sundance
- shortgrasses
- effects
- western wheatgrass
- botanical composition
- chemical composition
- phosphorus
- crude protein
- forage yield
- northern Great Plains
- yield
- range improvement
- forage yield
- forbs
- nitrogen
- fertilization
- Wyoming
- Library Collection RecordA food habits study, in a big sagebrush-grass type in Wyoming's Red Desert, revealed very little overlap in use of native range forage by pronghorn antelope and domestic sheep. Generally, sheep…Publication Date 1967-01-01
- domestic sheep
- Native Range Forage
- Domesitc Sheep
- feeding habits
- Red Desert
- Feeding Trials
- Food Preferences
- Antelope
- Pronghorn Antelope
- needle-and-thread
- Bluegrass
- multiple use
- shrubs
- Rabbitbrush
- competition
- Winterfat
- forage production
- utilization
- sagebrush
- grasses
- Wyoming
- Library Collection RecordCleistogamy is the behavior of flowers which do not open but which produce fruits and seeds as a result of self-fertilization. Danthonia californica, D. unispicata, and D. spicata were found to be…Publication Date 1966-09-01
- Cleistogenes
- Cleistogamy
- fruits
- Self Fertililzation
- californica
- unispicata
- spicata
- intermedia
- Jackson Hole
- Spiklets
- flowering culm
- Florets
- Chilled
- Potassium Nitrate
- flowers
- nodes
- seeds
- Danthonia
- water
- Wyoming
- Library Collection RecordThe effects of mechanical treatments, such as contour furrowing, pitting, and ripping, on forage production and water storage were measured in Montana, Wyoming, Colorado, Utah, New Mexico, and…Publication Date 1966-07-01
- Pitting
- Nuttall Saltbush
- West
- Chemistry
- vegetation types
- ripping
- responses
- Contour Furrowing
- mechanical treatments
- Broadbase Furrowing
- Furrowing
- Medium
- Fine
- needle-and-thread
- Soil Effects
- Mositure Storage
- Biological Effects
- water storage
- soil texture
- black grama
- Winterfat
- forage production
- runoff
- Wyoming
- Montana
- Utah
- New Mexico
- Arizona
- Colorado
- Library Collection RecordThe presence of denuded areas caused by harvester ants did not lower the production of a Nuttall saltbush community in the Big Horn Basin of Wyoming. Increased saltbush production around the…Publication Date 1966-03-01
- Saltbush Community
- Denuded Areas
- Pogonomyrmex occidentalis
- Experimental Sheep Pastures
- Border Effect
- Production Losses
- Perimeter Area
- Nuttall
- harvester ants
- foliage
- Atriplex nuttallii
- Big Horn Basin
- vigor
- production
- Wyoming
- Library Collection RecordCriteria such as density and cover are correlated with standing crop of alpine species. Use of these variates, however, in a double sampling design was less efficient than a single clipped sample of…Publication Date 1966-03-01
- tufted hairgrass
- Stem Length
- Number of Stems
- standing crop
- double sampling
- Vegetation Present
- primary production
- Medicine Bow Range
- leaf length
- Number of Pedicels
- Alpine Bluegrass
- American Bistort
- Ebony Sedge
- Mat Sedge
- Parry's Clover
- Timberline Bluegrass
- Cinquefoil
- square foot plots
- cost analysis
- Foliage cover
- comparison
- Weighing
- estimation
- basal diameter
- removal
- density
- clipping
- Description
- vigor
- cover
- Wyoming
- basal cover
- Library Collection RecordKentucky bluegrass and some associated species contained more nitrogen-free extract and less crude fiber, calcium, and phosphorus when growing on open meadow sites than when growing on pine-shaded…Publication Date 1965-07-01
- Shade Effects
- Meadow Sites
- Pine Shaded Sites
- Roughleaf Ricegrass
- Fuzzyspike Wildrye
- Silvertop Sedge
- calcium
- fiber
- Crude
- Nitrogen Free Extract
- preference
- Limestone
- Timothy
- Black Hills
- Kentucky bluegrass
- chemical composition
- phosphorus
- herbage
- meadows
- Pinus ponderosa
- ponderosa pine
- palatability
- livestock
- South Dakota
- Wyoming
- Library Collection RecordThis material was digitized as part of a cooperative project between the Society for Range Management and the University of Arizona Libraries. The Journal of Range Management archives are made…Publication Date 1963-03-01
- Elk Distribution
- Chemical Sagebrush Control
- Gros Ventre Elk Winter Range
- Teton County
- Jackson Hole Elk Herd
- Pellet Group Count Procedure
- Snow Accumulation
- Ester
- herbaceous vegetation
- winter
- Artemisia
- clipping
- big game
- wildlife
- 2,4-D
- Wyoming
- Library Collection RecordThis material was digitized as part of a cooperative project between the Society for Range Management and the University of Arizona Libraries. The Journal of Range Management archives are made…Publication Date 1962-01-01
- toxicology
- selenium
- Seleniferous Soils
- soluble oxalate
- Astragalus preussii
- fistula
- Blood Calcium
- Blood Urea
- yellow fat
- Green River
- Crescent Junction
- cisco
- sodium selenate
- Feeding Trials
- occurrence
- stems
- Oxalate Content
- leaves
- Halogeton glomeratus
- greenhouses
- Halogeton
- feeding
- Atriplex canescens
- sheep
- growth
- nitrogen
- Wyoming
- Utah