Rangeland Ecology & Management
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- Library Collection RecordTall-forb communities occur an deep soils of the upper montane and subalpine zones of the Rocky Mountains and extend from southwestern Montana to southern Utah. In the Centennial Mountains of Montana…Publication Date 1991-07-01
- geranium viscosissimum
- 2,4-D
- grassland improvement
- Geranium
- vegetation management
- species diversity
- weed control
- yields
- mountain grasslands
- biomass production
- plant communities
- picloram
- application rates
- Montana
- forage
- Library Collection RecordInterest in evaluating theoretical considerations in traditional methods of determining range condition have increased recently with application of different analytical techniques. In this study, the…Publication Date 1991-07-01
- cluster analysis
- quantitative climax approach
- deserts
- land classification
- secondary succession
- spatial variation
- climax communities
- grasslands
- plant ecology
- ecological succession
- pastures
- biomass production
- botanical composition
- rangelands
- New Mexico
- forage
- Library Collection RecordThe effect of late-autumn cattle grazing on plant biomass was examined in a western Great Plains cottonwood riparian zone prone to catastrophic flooding every 5-8 years. Following 1 year of pre-…Publication Date 1991-07-01
- autumn
- Populus
- floodplains
- Spartina
- Spartina pectinata
- environmental impact
- community ecology
- Populus deltoides subsp. monilifera
- standing biomass
- community composition
- riparian grasslands
- Salix
- leaves
- controlled grazing
- plant ecology
- flooding
- riparian buffers
- biomass production
- cattle
- biomass
- botanical composition
- grazing
- Colorado
- forage
- Library Collection RecordThe government must manage public rangeland in the face of alternative multiple use interests, including wildlife and domestic livestock production. The objectives of this study were to estimate a…Publication Date 1991-07-01
- linear programming
- mixed grazing
- production possibilities
- economic benefits
- production possibilities frontier
- marginal rates of substitution
- marginal returns
- animal production
- multiple land use
- cost-benefit analysis
- stocking rate
- Antilocapra americana
- biomass production
- Wyoming
- grazing intensity
- cattle
- range management
- rangelands
- forage
- Library Collection RecordFertilizer nitrogen (N) management and other cultural practices used in reclamation can have a significant effect on the successful revegetation of mined lands. Repeated fertilization of revegetated…Publication Date 1991-07-01
- annual dressings
- split dressings
- crimped straw mulches
- stubble mulching
- ammonium nitrate
- straw mulches
- mined soils
- reclamation
- Poaceae
- biomass production
- Wyoming
- land restoration
- application rates
- grasses
- forage
- Library Collection RecordConcerns for the future of California's oak-woodlands have intensified the need to better understand how different overstory species affect herbage standing crops and species frequencies. Data…Publication Date 1991-07-01
- topography
- understory
- woodland grasslands
- site factors
- Quercus douglasii
- Quercus wislizeni
- Pinus sabiniana
- annual grasslands
- ceanothus cuneatus
- herbage standing crop
- plant ecology
- species diversity
- ecological succession
- biomass production
- plant communities
- California
- botanical composition
- forage
- Library Collection RecordPerennial plants collected from 5 north-central Arizona semiarid locations were assayed for tebuthiuron [N-5-(1,1-dimethylethyl)-1,3,4-thiadiazol-2-yl-N,N'-dimethylurea] and its metabolites…Publication Date 1991-05-01
- long term experiments
- herbicide residues
- metabolites
- Bouteloua eriopoda
- Bouteloua curtipendula
- tebuthiuron
- Poaceae
- Bouteloua gracilis
- shrubs
- semiarid zones
- application rates
- rangelands
- Arizona
- forage
- Library Collection RecordSuccessful germination and establishment of grass seedlings from surface-sown seeds requires a microsite which provides adequate soil water and temperature conditions, among other species-specific…Publication Date 1991-05-01
- Bouteloua curtipendula
- hybrids
- broadcasting
- soil morphological features
- Eragrostis
- Panicum antidotale
- seedbeds
- Eragrostis trichophora
- surface roughness
- safesites
- microenvironments
- sown grasslands
- seedling emergence
- soil water content
- land restoration
- Eragrostis lehmanniana
- Arizona
- Library Collection RecordEfficacy of a continuous release marker device (CRD) containing chromium oxide to estimate fecal output was evaluated in two 12-day grazing trials with beef steers (n = 10, trial 1; n = 7, trial 2).…Publication Date 1991-05-01
- markers
- chromic oxide
- grazing trials
- feces
- sampling
- animal nutrition
- beef cattle
- forage
- feed intake
- Library Collection RecordIn the central California region of annual rangeland, herbage production beneath blue oak (Quercus douglasii Hook & Arn.) canopies is greater and production beneath the canopies of interior live…Publication Date 1991-05-01
- cation exchange capacity
- edaphic factors
- soil organic matter
- soil density
- soil properties
- Quercus douglasii
- Quercus wislizeni
- Pinus sabiniana
- soil fertility
- pastures
- growth rate
- California
- rangelands
- canopy
- bulk density
- forage
- Library Collection RecordRevenues associated with controlling broom snakeweed (Xanthocephalum sarothrae) on 6 soils with heavy, moderate, and light infestations of snakeweed were estimated. The analysis considered economic…Publication Date 1991-05-01
- poisoning
- poisonous weeds
- economic analysis
- liveweight gain
- weed control
- Gutierrezia sarothrae
- reproductive performance
- chemical control
- profitability
- finishing
- picloram
- Texas
- New Mexico
- beef cattle
- forage
- Library Collection RecordIntensive grazing strategies for the Nebraska Sandhills must be based on time and frequency of defoliation of key warm-season grasses. A 3-year field study was conducted in the Nebraska Sandhills to…Publication Date 1991-05-01
- buds
- Andropogon gerardii var. paucipilus
- timing
- clipping
- Calamovilfa longifolia
- dry matter accumulation
- cutting date
- cutting frequency
- Nebraska
- Andropogon gerardii
- tillers
- crop yield
- defoliation
- grazing
- forage
- Library Collection RecordA sequential multiple latin square experimental design was evaluated as a tool for establishing dietary preference rankings. Dietary preference of 4 grasses was determined by a series of four 4 X 4…Publication Date 1991-05-01
- ranking
- Alopecurus arundinaceus
- Alopecurus
- lambs
- Festuca arundinacea
- evaluation
- palatability
- statistical analysis
- forage
- feed intake
- feeding preferences
- Elytrigia elongata
- Library Collection RecordWe compared long-term historical and stochastically generated weather records in terms of their statistical attributes and effects on herbage yield and runoff forecasts calculated from model…Publication Date 1991-05-01
- yield forecasting
- hydrology models
- stochastic processes
- hydrologic data
- solar radiation
- simulation models
- prediction
- meteorological data
- air temperature
- runoff
- precipitation
- crop yield
- rangelands
- forage
- Library Collection RecordVariable weather, forage production, weed and pest problems, and livestock prices contribute to uncertainty in range livestock production. Because returns from livestock production, in which…Publication Date 1991-05-01
- prices
- econometric models
- stochastic processes
- variability of returns
- risk
- costs and returns
- animal production
- stocking rate
- profitability
- sustainability
- range management
- livestock
- forage
- Library Collection RecordUtilization patterns of cattle were related to pasture characteristics in a nonrandom and complex manner. Six mixed brush pastures on the Rio Grande Plains (244-356 ha) that were topographically flat…Publication Date 1991-03-01
- consumption patterns
- availability
- mixed pastures
- foraging
- environmental factors
- grazing behavior
- spatial distribution
- cattle
- plant density
- Texas
- range management
- botanical composition
- grazing
- grasses
- forage
- Library Collection RecordThe key to managing Arizona chaparral depends on creating and maintaining brush-free or savanna-like habitats. Brush control using fire, chemicals, and mechanical methods has been tested previously;…Publication Date 1991-03-01
- chaparral
- chaparral soils
- Quercus turbinella
- manual weed control
- soil density
- biological control
- controlled grazing
- brush control
- soil fertility
- stocking rate
- vegetation
- regrowth
- grazing intensity
- goats
- range management
- browsing
- grazing
- Arizona
- Library Collection RecordChanges in herbaceous plant density and canopy cover of creosotebush (Larrea tridentata Sesse & Moc. ex DC) and associated shrubs following brush control treatments were measured in Sonoran and…Publication Date 1991-03-01
- land imprinting
- railing
- Chihuahuan Desert
- Sonoran Desert
- Larrea tridentata
- xerophytes
- tillage
- manual weed control
- discing
- deserts
- tebuthiuron
- brush control
- Mexico
- forbs
- shrubs
- plant density
- botanical composition
- canopy
- grasses
- Arizona
- Library Collection RecordJustification for controlling honey mesquite (Prosopis glandulosa Torr. var. glandulosa) on rangelands has been traditionally related to enhanced livestock production from increased herbage…Publication Date 1991-03-01
- net primary production
- water yield
- Bouteloua curtipendula
- Nassella leucotricha
- Prosopis glandulosa var. glandulosa
- brush control
- leaf area index
- pastures
- vegetation
- growth rate
- biomass production
- Texas
- range management
- forage
- Library Collection RecordLocation of seeds in the seedbed may affect germination and seedling establishment of range grasses. Our objective was to determine the effects of trampling by livestock and mechanical seedbed…Publication Date 1991-03-01
- Eragrostis trichophora
- land imprinting
- plowing
- buried seeds
- seedbed preparation
- Bouteloua curtipendula
- hybrids
- Eragrostis
- Panicum antidotale
- seedling emergence
- rain
- seeds
- environmental factors
- cattle
- Eragrostis lehmanniana
- trampling
- Arizona
- Library Collection RecordCattle trampling has been recommended to bury seeds and encourage seedling establishment but has not been compared with traditional seedbed preparation techniques. We compared seedling emergence of…Publication Date 1991-03-01
- land imprinting
- plowing
- buried seeds
- seedbed preparation
- Bouteloua curtipendula
- hybrids
- Eragrostis
- Panicum antidotale
- Eragrostis trichophora
- seedling emergence
- seeds
- land restoration
- cattle
- Eragrostis lehmanniana
- trampling
- Arizona
- Library Collection RecordHarvesting trees for firewood in the oak hardwood rangelands of the western Sierra Nevada foothills creates slash that may be burned to improve livestock forage production or piled into brushpiles…Publication Date 1991-03-01
- economic analysis
- habitats
- hunting
- Quercus
- multiple land use
- fuelwood
- Callipepla californica
- brushwood
- slash
- pastures
- California
- cattle
- wildlife management
- range management
- rangelands
- grazing
- forage
- Library Collection RecordUnder grazing, creeping-rooted alfalfa (Medicago sativa L.) cultivars have been reported to be more productive and have higher survival than tap-rooted cultivars. To determine if differences in…Publication Date 1991-01-01
- stress response
- total nonstructural carbohydrates
- varietal reactions
- Medicago sativa
- clipping
- dry matter accumulation
- carbohydrates
- root systems
- cultivars
- regrowth
- crop yield
- defoliation
- grazing
- forage
- Library Collection RecordSpotted knapweed is the most serious range weed problem in western Montana. Although picloram is often used to control knapweed, the economic feasibility of the practice has not been evaluated. We…Publication Date 1991-01-01
- feasibility studies
- mathematical models
- cost-benefit analysis
- weed control
- chemical control
- pastures
- picloram
- Centaurea maculosa
- range management
- Montana
- forage
- Library Collection RecordA study was made in the Rough Fescue Grasslands of southwestern Alberta to determine the yield response of rough fescue (Festuca scabrella var campestris Rydb.) and Parry oat grass (Danthonia parryi…Publication Date 1991-01-01
- festuca scabrella var. campestris
- Festuca altaica
- clipping
- danthonia parryi
- Danthonia
- Alberta
- cutting frequency
- regrowth
- growth rate
- crop yield
- defoliation
- grazing
- simulation
- forage
- plant height
- Library Collection RecordSurface-applied zinc (Zn) in range with claypan soils could increase herbage production, but the Zn concentration could become toxic to the crown and roots of blue grama (Bouteloua grucilis).…Publication Date 1991-01-01
- zinc fertilizers
- zinc chloride
- zinc chelates
- nutrient content
- phytotoxicity
- nutrient uptake
- Bouteloua gracilis
- application rates
- forage
- Library Collection RecordRange condition is usually defined by similarity of current to climax or potential vegetation. It is often assumed that rangelands in low condition are biologically less productive than those in…Publication Date 1991-01-01
- seral stages
- site factors
- productivity
- pastures
- biomass production
- plant communities
- botanical composition
- rangelands
- Arizona
- forage
- Library Collection RecordImproved carrying capacity of grasslands has been attributed to the effect of time-controlled grazing with high animal density, which can be achieved by increased stocking rates as well as by fencing…Publication Date 1990-11-01
- stress response
- mixed pastures
- Festuca
- controlled grazing
- grazing trials
- root systems
- Alberta
- stocking rate
- regrowth
- natural grasslands
- cattle
- prairies
- crop yield
- botanical composition
- grazing
- forage
- Library Collection RecordClearing and thinning of caatinga vegetation in northeastern Brazil are viewed as methods of optimizing forage and wood production. Our study compared the botanical composition of goat diets relative…Publication Date 1990-11-01
- tropical forests
- caatinga
- thinning
- goat feeding
- deciduous forests
- silvopastoral systems
- clearcutting
- woodland grasslands
- pastures
- natural grasslands
- diets
- goats
- Brazil
- biomass
- seasonal variation
- botanical composition
- canopy
- forage
- Library Collection RecordResponse of key warm-season grasses to time, frequency, and duration of defoliation is needed to develop grazing systems for the Nebraska Sandhills. A 3-year (1986 to 1988) study was conducted on a…Publication Date 1990-11-01
- leaf duration
- crop growth stage
- buds
- timing
- Schizachyrium scoparium
- dry matter accumulation
- persistence
- cutting date
- cutting frequency
- Nebraska
- tillering
- defoliation
- forage
- Library Collection RecordIn vivo digestibility trials were conducted in metabolism stalls at New Mexico State University to evaluate the influence of leaves of true mountain mahogany (Cercocarpus montanus Raf.) and fourwing…Publication Date 1990-11-01
- digestible protein
- nitrogen retention
- feed conversion
- nitrogen balance
- toxicity
- Atriplex canescens
- chemical composition
- hay
- crude protein
- Bouteloua gracilis
- shrubs
- diets
- goats
- nutritive value
- Cercocarpus montanus
- New Mexico
- forage
- Library Collection RecordThe measured runoff from a contour-ripped rangeland watershed is compared with hypothetical runoff based on KINEROS model simulations assuming that the watershed had not been treated. The results…Publication Date 1990-11-01
- ripping
- kinematics
- kineros model
- simulation models
- hydrology
- arid zones
- watersheds
- mathematical models
- runoff
- range management
- rangelands
- Arizona
- Library Collection RecordGlobemallows (Sphaeralcea spp.) have potential in rangeland seedings. Thirty-seven accessions of globemallow were grown at 2 sites in northern Utah and southern Idaho to quantify their agronomic…Publication Date 1990-09-01
- sphaeralcea munroana
- Sphaeralcea
- sphaeralcea grossulariifolia
- sphaeralcea parvifolia
- Sphaeralcea coccinea
- mixed pastures
- Medicago sativa
- agronomic traits
- sown grasslands
- arid zones
- genotype
- Agropyron desertorum
- genetic variation
- Agropyron cristatum
- mortality
- seeds
- pastures
- Idaho
- growth rate
- crop yield
- Utah
- forage
- Library Collection RecordHerbage biomass for blue grama (Bouteloua gracilis [H.B.K. Lag]), pinyon ricegrass (Piptochaetium fimbriatum [H.B.K.] Hitche.), New Mexico muhly (Muhlenbergia pauciflora Buckl.), other grasses and…Publication Date 1990-09-01
- mixed forests
- muhlenbergia pauciflora
- piptochaetium fimbriatum
- light penetration
- Muhlenbergia
- Juniperus monosperma
- silvopastoral systems
- forest ecology
- pinyon-juniper
- Pinus edulis
- understory
- pastures
- Poaceae
- Bouteloua gracilis
- biomass
- canopy
- New Mexico
- forage
- Library Collection RecordA tandem arrangement of 3 grinding mills was devised to decrease the time required in grinding dried forage herbage to the uniform small particle size suitable for near infrared analysis. The…Publication Date 1990-09-01
- milling
- mills
- sample processing
- particle size
- sampling
- forage
- Library Collection RecordA management strategy using short-duration grazing and fertilization was simulated in a study with individual ‘Ermelo’ weeping lovegrass [Eragrostis curvula (Shrad.) Nees] plants. Influence of 2…Publication Date 1990-09-01
- shoot pruning
- NPK fertilizers
- crop quality
- Eragrostis curvula
- dry matter accumulation
- irrigation scheduling
- root systems
- water-use efficiency
- regrowth
- crude protein
- growth rate
- biomass
- crop yield
- forage
- plant height
- Library Collection RecordLiveweight (LW) changes and behavior of growing rams were measured in 1981, 1982, 1985, and 1986 at the Timahdit Experiment Station in the Middle Atlas, Morocco, at stocking rates of 2.78, 4.17, and…Publication Date 1990-09-01
- rams
- Morocco
- selling prices
- production costs
- decision making
- stocking rate
- grazing intensity
- diets
- grazing behavior
- in vitro digestibility
- range management
- forage
- dry matter
- feed intake
- Library Collection RecordFew studies have dealt with measuring individual plant defoliations in the context of intensive grazing management. In May, July, and August of 1987, grazing trials were conducted to quantify the…Publication Date 1990-09-01
- feeding frequency
- grazing time
- leaf area
- Schizachyrium scoparium
- grazing trials
- Sorghastrum nutans
- Andropogon gerardii
- rotational grazing
- tillers
- grazing intensity
- grazing behavior
- prairies
- grazing
- beef cattle
- forage
- feeding preferences
- Library Collection RecordPrairie threeawn (Aristida oligantha Michx.) is an indicator of deteriorated range and is unpalatable and mechanically injurious to livestock. The effects of date of burning (November, February, or…Publication Date 1990-09-01
- crop quality
- atrazine
- burning
- cultural control
- Aristida oligantha
- grassland improvement
- weed control
- chemical control
- Oklahoma
- natural grasslands
- prairies
- crop yield
- forage
- Library Collection RecordThree rates of dried sewage sludge (22.5, 45.0, and 90.0 Mg (megagrams) ha-1), were applied to a degraded semiarid grassland site on the Upper Rio Puerto Watershed in west-central New Mexico. Various…Publication Date 1990-07-01
- heavy metals
- sewage sludge
- semiarid soils
- soil amendments
- grassland improvement
- population density
- soil fertility
- Gutierrezia sarothrae
- yields
- trace elements
- nutrient contents of plants
- Bouteloua gracilis
- growth rate
- botanical composition
- New Mexico
- forage
- Library Collection RecordThe phenology of 75 plant species belonging to an Artemesia tridentata Nutt./Agropyron spicutum (Pursh.) Scribn. & Smith plant community in southern British Columbia was recorded in 1978 and 1979…Publication Date 1990-07-01
- temporal distribution
- Pseudoroegneria spicata
- distribution
- British Columbia
- adaptation
- soil water content
- growth rate
- Artemisia tridentata
- plant communities
- spatial distribution
- drought
- range management
- phenology
- botanical composition
- forage
- Library Collection RecordA 2-year experiment was conducted to determine the effect of 27 years of continuous grazing at moderate (7 ha/cow/yr) (MC) and heavy (5 ha/cow/yr) (HC) rates of stocking on seasonal diet selection…Publication Date 1990-07-01
- nutrient intake
- protein content
- stocking rate
- crude protein
- dietary supplements
- diets
- cattle
- in vitro digestibility
- seasonal variation
- botanical composition
- grazing
- forage
- Library Collection RecordMycorrhizal symbiosis is critical to growth of many warm-season prairie grass seedlings, but its effect on regrowth of rhizomes has not been determined. As forage species, the effect of grazing on…Publication Date 1990-07-01
- vesicular arbuscular mycorrhizae
- shoot pruning
- rhizomes
- colonizing ability
- symbiosis
- shoots
- Andropogon gerardii
- regrowth
- growth rate
- crop yield
- grazing
- forage
- Library Collection RecordLehmann lovegrass (Eragrostis lehmanniana Nees), a perennial bunchgrass from southern Africa, has recently replaced native grasses on 200,000 ha in southeastern Arizona. Hence the need to determine…Publication Date 1990-07-01
- range management
- biomass accumulation
- phenology
- climatic factors
- plant litter
- seasonal variation
- crop yield
- Eragrostis lehmanniana
- introduced species
- water relations
- live biomass
- dead biomass
- grazing
- Arizona
- Library Collection RecordA major problem in evaluating nutritional quality of the grazing animal’s diet is collecting forage representative of that being grazed. We compared the chemical composition of simulated diet (SD)…Publication Date 1990-07-01
- simulated diets
- mixed pastures
- Bromus inermis
- crop quality
- sown grasslands
- Psathyrostachys juncea
- Agropyron desertorum
- feces composition
- fiber content
- nitrogen
- phosphorus
- nutrient contents of plants
- Poaceae
- natural grasslands
- Pascopyrum smithii
- diets
- cattle
- in vitro digestibility
- forage
- Library Collection RecordJunipers (Juniperus spp.) and pinyons (pinus edulis Engelm.) are reinfesting areas from which they have been removed and are encroaching into other areas. Controlling these trees while they are small…Publication Date 1990-05-01
- pesticide application
- Pinus edulis
- soil classification
- tebuthiuron
- brush control
- picloram
- range management
- Juniperus
- New Mexico
- Arizona
- Library Collection RecordTwo experiments with wethers and one with steers were conducted to compare extraction methods of ash-free indigestible acid detergent fiber (IADF) from feed, and to determine variation across days in…Publication Date 1990-05-01
- wethers
- fistulation
- digestibility trials
- grazing trials
- fiber content
- esophagus
- steers
- forage
- Library Collection RecordDespite the availability of potentially profitable range improvement alternatives, private land ranch managers in the central U.S. are not readily adopting recommended range improvement practices.…Publication Date 1990-05-01
- animal husbandry
- risk
- simulation models
- costs and returns
- brush control
- profitability
- range management
- United States
- forage
- Library Collection RecordThe effect of short duration, heavy grazing by cattle was evaluated 3 and 6 years after burning and seeding of an aspen (Populus tremuloides Michx.) grove. Replicated paddocks of June grazed (early…Publication Date 1990-05-01
- natural regeneration
- crops
- sowing
- Populus tremuloides
- fires
- fire effects
- Alberta
- prescribed burning
- woody plants
- range management
- grazing
- forage
- Library Collection RecordIt is common in range science to base stocking rate estimates on range sites as units of forage production. However, little is known about how diet composition, quality, and intake may differ by…Publication Date 1990-03-01
- availability
- grazing pressure
- clay loam soils
- nutrient intake
- site factors
- pastures
- sandy loam soils
- heifers
- diets
- grazing behavior
- in vitro digestibility
- botanical composition
- nutritive value
- forage
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