Rangeland Ecology & Management
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Displaying 101 - 150 of 199 results
- Library Collection RecordInfiltration, sediment concentration of runoff, and sediment production from lightly grazed and ungrazed semiarid slopes were compared using a hand-portable rainfall simulator. The study slope was…Publication Date 1988-07-01
- hydrologic factors
- mountains
- mountain areas
- sediments
- highlands
- runoff
- slopes
- semiarid zones
- sheep
- rangelands
- grazing
- infiltration
- New Mexico
- Library Collection RecordA method for manufacturing esophageal cannulas from plastic tee couplers of suitable size for growing steers and wethers is described. This material was digitized as part of a cooperative project…Publication Date 1988-05-01
- unit costs
- production
- esophageal fistula
- performance
- methodology
- cannulas
- sheep
- cattle
- Library Collection RecordUse of livestock for biological weed control in timber plantations is gaining popularity in the United States and elsewhere. Efficient use of livestock to control unwanted brush relies upon knowledge…Publication Date 1987-11-01
- forest management
- biological control
- brush control
- Pseudotsuga menziesii
- forest plantations
- Oregon
- diets
- sheep
- seasonal variation
- botanical composition
- grazing
- forage
- feeding preferences
- Library Collection RecordSmall ruminant production in northeast Brazil is limited by prolonged nutritional stress during the dry season. Our study assessed the effects of clearcutting woody vegetation on the nutrition of…Publication Date 1987-09-01
- forest litter
- tropics
- north east brazil
- clearcutting
- forests
- dry seasons
- animal nutrition
- semiarid zones
- sheep
- goats
- grazing
- forage
- feed intake
- Library Collection RecordFifteen cattle (236-500 kg) and 38 sheep (36-55 kg) were fitted with 2 types of indwelling cecal cannulae. Cannulae were made of either clear silicone or plastic tubing. The surgery was conducted in…Publication Date 1987-07-01
- silicone tubes
- surgery
- plastic pipes
- cannulas
- cannulation
- sheep
- cattle
- Library Collection RecordThe influence of crude terpenoid content on in vitro organic matter digestibility (IVOMD) was determined for basin big sagebrush (Artemisia tridentata Nutt. ssp. tridentata), Wyoming big sagebrush (A…Publication Date 1987-05-01
- terpenoids
- Artemisia tridentata
- Odocoileus hemionus
- sheep
- cattle
- in vitro digestibility
- Montana
- Library Collection RecordInfluences of grazing intensity on species composition and herbage production of grass-woodland and improved grassland subtypes of annual range were evaluated over a 5-year period in coastal northern…Publication Date 1987-03-01
- grassland utilization
- grasslands
- responses
- yields
- productivity
- grazing intensity
- California
- sheep
- botanical composition
- rangelands
- grazing
- forage
- Library Collection RecordCuticular imprints of underlying plant tissue which survive ruminant digestion in herbivore feces provide a reliable taxonomic basis for species identification provided they can be adequately…Publication Date 1987-03-01
- epidermis
- cuticle
- Medicago sativa
- histology
- feces composition
- Sorghastrum nutans
- diets
- sheep
- 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 RecordAlthough there have been several reports on the food habits of domestic herbivores in various semiarid regions of the world, there has been no previous report on the partitioning of forage resources…Publication Date 1987-01-01
- camels
- forage selection
- pastoralism
- arid zones
- Kenya
- sheep
- diet studies
- goats
- grazing behavior
- cattle
- range management
- seasonal variation
- rangelands
- Library Collection RecordInfiltration rate and sediment production were measured over a 2-year period on an intensive rotationally grazed pasture. Measurements were taken prior to the movement of livestock onto the pasture,…Publication Date 1986-11-01
- intensive livestock farming
- hydrology
- sediments
- pastures
- rotational grazing
- sheep
- goats
- cattle
- Texas
- seasonal variation
- rangelands
- grazing
- infiltration
- 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 RecordInfiltration rate and sediment production were measured for 2 years on 3 pastures from an intensive rotational grazing system. The pastures were 32, 24, and 16 ha in size. Stocking rate was held…Publication Date 1986-11-01
- soil water relations
- hydrology
- sediments
- stocking rate
- pastures
- rotational grazing
- sheep
- goats
- cattle
- Texas
- grazing
- infiltration
- 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 RecordFew detailed comparisons have been made among alfalfa (Medicago spp.) cultivars and strains grazed in semiarid, rangeland environments. The objective of this study was to determine survival and vigor…Publication Date 1986-01-01
- germplasm
- Medicago
- cultivars
- regrowth
- sheep
- establishment
- rangelands
- grazing
- North Dakota
- Library Collection RecordThe dietary botanical composition of indigenous sheep and goats was determined in the semiarid tropics of northeastern Brazil, using esophageally fistulated animals. Sheep and goats selected similar…Publication Date 1986-01-01
- semiarid zones
- sheep
- adaptability
- diet studies
- goats
- Brazil
- woodlands
- grazing behavior
- dry environmental conditions
- deciduous seasonal forests
- Library Collection RecordNutritional composition of sheep diets from a serpentine barrens range site was determined at various seasons and stages of plant growth and compared to diets from 3 other annual range sites. Sheep…Publication Date 1986-01-01
- serpentine soils
- nutrient contents of plants
- digestibility
- California
- sheep
- diet studies
- grazing behavior
- rangelands
- Library Collection RecordPredation at the University of California Hopland Field Station was evaluated for an 11-year period beginning in 1973. Of those lambs placed on range, an average of 2.7% were killed each year by…Publication Date 1985-09-01
- coasts
- losses
- predators
- California
- sheep
- rangelands
- Library Collection RecordThe effect of hunger satiation on selectivity for diet quality by sheep grazing a smooth bromegrass (Bromus inermis) pasture was studied with esophageal fistulated sheep. Fifteen wethers (45.8 +/- .7…Publication Date 1985-07-01
- hunger
- satiety
- Bromus inermis
- sheep
- diet studies
- 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 RecordEsophageal fistulation provides a well-documented standard for herbivore dietary composition studies against which other methods may be calibrated. Modified surgical procedures and animal husbandry…Publication Date 1985-01-01
- surgery
- esophageal fistula
- diet study techniques
- sheep
- Library Collection RecordSeventy-two Navajo ranchers were questioned about the role of mixed-breed dogs with their flocks. Navajos call their dogs "sheep dogs" but, unlike sheep dogs used by other ranchers to…Publication Date 1985-01-01
- coyotes
- predation
- ranching
- guard dogs
- sheep
- goats
- Arizona
- Library Collection RecordFactors possibly associated with high (over 5%) and low (0-5%) predation intensities were compared among 95 sheep or goat producers in 5 states to determine if important differences were evident…Publication Date 1984-09-01
- losses
- predation
- ranching
- Idaho
- Oregon
- California
- sheep
- goats
- Texas
- North Dakota
- Library Collection RecordAn improved bag for collecting samples from esophageal fistulated ewes was tested. The new bag reduced the time required to fit it to the animal and to remove the collected forage. This material was…Publication Date 1984-09-01
- esophageal fistula
- diet study techniques
- sheep
- Library Collection RecordEffects of 5-paddock rotational grazing and continuous grazing were monitored in 1977 and 1978 on an annual grass-subclover (Trifolium subterraneum) pasture. More forage was available to livestock…Publication Date 1983-07-01
- Subclover (Trifolium subterraneum) pasture
- sheep
- Oregon
- Library Collection RecordManagement of feral and Mouflon sheep and feral goats within the Mauna Kea Forest Reserve/Game Management area has been criticized as inadequate to prevent the adverse environmental impact which…Publication Date 1983-07-01
- Hawaii
- Sophora chrysophylla
- sheep
- goats
- Library Collection RecordEsophageal fistulation, stomach content analysis, fecal analysis, and forage utilization were compared as techniques for determining food habits of large herbivores. Each technique was evaluated…Publication Date 1983-05-01
- sheep
- 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 RecordFifteen independent variables consisting of circumference, surface area, and volume for various assumed shapes were derived from simple diameter and height measurements. These variables were used in…Publication Date 1982-07-01
- Idaho
- sheep
- Library Collection RecordA model of the early growth of an annual pasture and liveweight response of grazing sheep was built using first order differential equations to study the practice of deferred grazing. The dynamic…Publication Date 1973-11-01
- Model Development
- Early Growth
- Liveweight Response
- Differential Equations
- Subterraneal Clover Pasture
- Pasture Height
- Meat Produced
- growth rate
- defoliation
- herbage weight
- deferred grazing
- herbage growth
- continuous grazing
- Western Australia
- density
- soil moisture
- plant density
- sheep
- stocking rate
- Library Collection RecordFive indices are suggested to quantify components of spatial distribution of grazing sheep which were observed by aerial photography. Indices based on sheep numbers were more sensitive to…Publication Date 1969-07-01
- numbers
- Environmental Changes
- movement
- aerial photography
- grazing behavior
- Kayrunnera
- Quantitative Assessment
- Arid Areas
- spatial distribution
- distance
- Social Contact
- Social Organization
- change
- sheep
- rainfall
- 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 RecordOn perennial ryegrass-subclover and tall fescue-subclover forage mixtures, grazing cattle preferred grass to clover during the spring-summer period. Sheep selected a consistently high amount of…Publication Date 1968-09-01
- perennial ryegrass
- Corvallis
- Subclover
- tall fescue
- Western Oregon
- cattle grazing
- clover
- forage preferences
- Trifolium subterraneum
- Festuca arundinacea
- diet
- Lolium perenne
- seasons
- seasonal
- sheep
- stocking rate
- Library Collection RecordYearling Romnelet wethers were used to compare reed canarygrass and brome-orchard-ladino with two levels of nitrogen and ladino clover as additives to the reed canarygrass for three consecutive years…Publication Date 1968-05-01
- Brome
- Bromegrass
- Spring Growth
- grass legume mixture
- flowering
- reed canarygrass
- Romnelet
- Ladino Clover
- Orchard
- dry matter
- irrigation
- cost
- British Columbia
- fertilizer
- Kamloops
- Research Station
- reclamation
- pastures
- palatability
- growth habit
- sheep
- nitrogen
- erosion
- Early Grazing
- Library Collection RecordNonlinear programming and matrix methods of analysis were used to predict relative chemical composition, energy values, and cellulose digestion coefficients for dietary botanical components. These…Publication Date 1968-01-01
- prediction
- cellulose digestion
- Nonlinear Programming
- Dietary Botanical Components
- Matrix Methods
- Energy Values
- Important Plants
- Mathematical Analyses
- Energy Concentrations
- Ether Extract
- groups
- carbohydrates
- cellulose
- chemical composition
- lignin
- crude protein
- composition
- grazing
- sheep
- cattle
- Library Collection RecordHeavy late-fall grazing by sheep following spring deferment improves deteriorated sagebrush-grass ranges by reducing sagebrush and increasing the production of grasses and forbs. Fall grazing as a…Publication Date 1967-07-01
- fall grazing
- Spring Deferment
- deteriorated ranges
- herbaceous production
- U.S. Sheep Experiment Station
- sagebrush control
- Artemisia tripartita
- ranges
- fences
- Heavy Grazing
- range improvement
- grass
- sagebrush
- stocking rate
- grazing treatments
- sheep
- production
- protection
- Idaho
- Library Collection RecordBrief descriptions of landscape, herding methods, forage values, livestock numbers, efforts to control grazing, and livestock-game relationships are presented as background for a suggested range…Publication Date 1965-09-01
- Kenya
- livestock
- sheep
- cattle
- game
- ranches
- growth
- relationships
- Parasite Control
- livestock numbers
- water development
- forage values
- dry seasons
- Grazing Conditions
- Grazing Control
- Masailand
- landscapes
- Herding Methods
- range development
- East Africa
- Kajiado
- Narok
- Grazing Schemes
- goats
- brush control
- Library Collection RecordCorrect substitution rates of one grazing animal for another under common use take place at uniform rates, being governed at any point by the utilization standard of some single species. The capacity…Publication Date 1965-07-01
- Symphoricarpos
- Common Use
- Grazing Capacities
- Key Species Concept
- Lathyrus
- Thalictrum
- Substitution Rates
- grazing animals
- Bromus
- capacity
- Elymus
- harvesting
- Agropyron
- big game
- range production
- distribution
- sheep
- cattle
- Library Collection RecordTotal protein, ash, lignin, and other carbohydrates were somewhat higher in forage from poor ranges while ether extract, cellulose, and gross energy were slightly higher in forage from good ranges.…Publication Date 1965-03-01
- Nutritive Intake
- Daily Intake
- Poor Condition
- summer range
- fence line contrast
- Good Condition
- nutrients
- Cache National Forest
- Extract
- ash
- carbohydrates
- cellulose
- diet
- energy
- grazing intensity
- lignin
- digestibility
- protein
- herbage production
- utilization
- range condition
- sheep
- production
- forage
- Utah
- Library Collection RecordSignificant differences among animals were found in chemical composition of dietary samples collected with esophageal fistulated cattle and sheep grazing in common on a dry annual range. Diets from…Publication Date 1965-03-01
- Hopland Field Station
- Mendocino County
- Ether Extract
- Dietary
- Dry Annual Range
- nutritional forage value
- Dietary Composition
- Morning
- Afternoon
- Herbage Analysis
- ash
- carbohydrates
- cellulose
- energy
- silica
- chemical composition
- lignin
- esophageal fistula
- Herbage Availability
- crude protein
- grazing
- sheep
- cattle
- California
- Library Collection RecordMicrodigestion estimates were correlated with macrodigestion estimates obtained by lignin ratio technique under grazing or total collection procedures under dry-lot feeding. Over all techniques the…Publication Date 1964-11-01
- correlation
- esophageal fistula
- Nylon Bag
- cellulose sources
- Microdigestion
- Lignin Ratio
- Macrodigestion
- Grazed Annual Forage
- Clipped Herbage
- Standard Samples
- Dry Lot Feeding
- Herbage Availability
- Mixed Forage
- Digestion Estimates
- inocula
- sheep
- cattle
- alfalfa
- 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 1964-07-01
- Drylot
- All Concentrate
- Flexible Ranching
- Livestock Maintenance
- Ruminant Nutrition
- Feeding Experiments
- Texas Tech
- Research Tool
- Exercise
- roughage
- Rations
- beef cattle
- Forage Supply
- feeding
- sheep
- 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 1963-09-01
- cooperation
- Equitable
- Washington Department of Resources
- State Land Agencies
- Management Objectives
- Proposals
- Fee
- Cattle Formula
- Livestock Weight
- Landlord
- selling prices
- Months
- transition
- land management
- state government
- regulation
- grazing fees
- fees
- grazing season
- public lands
- Livestock Industry
- animal unit month
- income
- improvement
- land
- sheep
- cattle
- Washington
- investment
- 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 1962-11-01
- Micro Methods
- Nutritive Evaluation
- range forage
- Silk Bag
- Dacron Bag
- Length of Fermentation
- Processing Method
- Inoculum
- Weighting System
- Processing Procedure
- cellulose sources
- Animal Variations
- Range Digestion Trials
- Rinse Procedure
- Esohageal
- fistula
- cellulose digestion
- digestion
- artificial rumen
- in vitro
- In Vivo
- Nylon Bag
- cellulose sources
- herbage
- sheep
- cattle
- 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
- death camas
- Zigadenus paniculatus
- foliage sprays
- Foothills
- poisonous plants
- Burns
- 2,4,5-T
- chemical control
- herbicides
- mortality
- sheep
- 2,4-D
- Oregon
- 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
- 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 1961-09-01
- medusahead
- Elymus caputmedusa
- Eat
- Fritsche Brothers Ranch
- Forced Grazing
- free grazing
- Weedy
- annual grass
- Heavy Grazing
- consumption
- esophageal fistula
- spring
- palatability
- grazing
- livestock
- sheep
- nitrogen
- Washington
- Idaho
- Oregon
- California
- carrying capacity
- 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 1961-07-01
- Continuous
- nutrient content
- Nutritive Content
- maturity
- deferred rotation
- Seasonal Use
- Degree of Use
- filaree
- Specialized
- California Annual Type
- Ecological Studies
- Livestock Responses
- Annual Vegetation
- Speed
- Pasture Treatments
- Review
- clover
- grazing systems
- grazing habits
- Hopland Field Station
- preference
- Vegetational Responses
- rotation
- Results
- moisture content
- site
- Yearlong
- advantages
- Disadvantages
- seasonal
- herbage production
- range improvement
- grass
- plant growth
- grazing
- sheep
- species composition
- applications
- stocking rate
- 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 1960-11-01
- Agropyron cristatum
- fields
- Swift Current Experimental Farm
- Cultivating
- Spring Burning
- Culm
- Floristic Composition
- burning
- clipping
- northern Great Plains
- basal area
- yield
- composition
- sheep
- mowing
- crested wheatgrass
- 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 1960-07-01
- fluctuations
- 1931
- 1956
- Areal Expansions
- Year to Year Variability
- Climatic Elements
- Average
- Mean
- Temperature Variability
- Average Precipitation
- precipitation variability
- Uath
- climatic variability
- Severe Winter Temperatures
- Light Precipitation
- Climatic
- climate
- temperature
- industry
- Great Basin
- utilization
- sheep
- cattle
- Idaho
- Oregon
- drought
- Nevada