Rangeland Ecology & Management
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- Library Collection RecordVegetational response of a nine-paddock, short-duration grazing cell was compared to that of a continuous pasture for a 5-year period in southcentral New Mexico. Differences in vegetational response…Publication Date 1991-07-01
- grazing time
- vegetation cover
- standing crop
- stocking rate
- pastures
- vegetation
- Bouteloua gracilis
- biomass production
- grazing intensity
- cattle
- biomass
- range management
- botanical composition
- grazing
- New Mexico
- Library Collection RecordAerial phytomass and litter dynamics of a grassland steppe in Patagonia, Argentina, were studied at either monthly or bimonthly intervals for 2 years. This area is characterized by a cold and wet…Publication Date 1990-03-01
- Poa
- Bromus
- Poa ligularis
- festuca pallescens
- rytidosperma virescens
- bromus setifolius
- hordeum comosum
- Hordeum
- Festuca
- steppes
- population dynamics
- pastures
- Poaceae
- biomass production
- range management
- Argentina
- botanical composition
- Library Collection RecordA sample adequacy equation is recommended to calculate the number of point frame samples required for measuring cover on reclaimed land and to assure sample size is adequate to meet Federal rules and…Publication Date 1990-11-01
- reclaimed land
- variance components
- representative sampling
- data collection
- sample size
- mixed pastures
- mined soils
- ground cover
- measurements
- equations
- Nebraska
- prairies
- range management
- Library Collection RecordThere is increasing interest in understanding the role of management on the current lack of blue oak (Quercus douglasii H. & A.) recruitment on California foothill rangelands. Age structure…Publication Date 1990-01-01
- tree and stand measurements
- age size relationships
- tree classes
- size
- tree age
- age structure
- recruitment
- Quercus douglasii
- prediction
- population dynamics
- California
- range management
- Library Collection RecordUsefulness of the concepts of carrying capacity and species substitution ratios in natural resource management has been limited by single objectives and single management options implicit in their…Publication Date 1990-11-01
- substitution
- optimum stocking rate
- stocking level
- grazing capacity
- animal-unit
- animal unit month
- terminology
- carrying capacity
- animal production
- ratios
- stocking rate
- range management
- grazing
- Library Collection RecordStands of honey mesquite (Prosopis glandulosa var. glandulosa) were treated with aerially applied herbicides at 16 locations in western and northwestern Texas over an 8-year period to determine…Publication Date 1990-01-01
- tree age
- aerial applications
- resistance to injurious factors
- 2,4,5-T
- clopyralid
- pesticide application
- Prosopis glandulosa var. glandulosa
- triclopyr
- brush control
- phytotoxicity
- picloram
- Texas
- range management
- plant height
- Library Collection RecordFollowing aerial application of herbicides, stands of honey mesquite (Prosopis glandulosa var. glandulosa) were evaluated to determine the influence of individual plant stem number on herbicide…Publication Date 1990-01-01
- multiple stems
- aerial applications
- resistance to injurious factors
- 2,4,5-T
- clopyralid
- pesticide application
- Prosopis glandulosa var. glandulosa
- triclopyr
- stems
- brush control
- phytotoxicity
- picloram
- Texas
- range management
- Library Collection RecordCreosotebush (Larrea tridentata [Sesse & Moc. ex DC.] Cov) and other shrubs have spread into semidesert grasslands of the southwestern United States and northern Mexico; and as creosotebush…Publication Date 1990-01-01
- Condalia
- Zinnia
- parthenium incanum
- land imprinting
- railing
- acacia constricta
- cassia wisleizeni
- condalia ericoides
- zinnia pumila
- Acacia
- plowing
- Larrea tridentata
- manual weed control
- Flourensia
- Flourensia cernua
- pesticide application
- Prosopis velutina
- Prosopis glandulosa
- tebuthiuron
- brush control
- Cassia
- Mexico
- range management
- Arizona
- Library Collection RecordBoth quantity and quality of pasture forage produced generally varies with frequency and intensity of plant defoliation. However, intensity and frequency of defoliation have rarely been evaluated…Publication Date 1990-05-01
- Trifolium subterraneum
- crop quality
- Lolium perenne
- Oregon
- crude protein
- in vitro digestibility
- range management
- crop yield
- defoliation
- dry matter
- 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 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 RecordThe Oregon Range Evaluation Project implemented 3 levels of grazing management intensities (strategies) on private land pastures in the Blue Mountains of northeastern Oregon. Prior to implementing…Publication Date 1991-01-01
- private farms
- ecosystems
- costs and returns
- optimization
- production costs
- cost-benefit analysis
- stocking rate
- beef production
- Oregon
- range management
- grazing
- Library Collection RecordUnderstanding hydrologic processes on rangelands is essential to determine if water yield will increase through shrub management. Nine nonweighable lysimeters were monitored for 3 years to determine…Publication Date 1990-11-01
- lysimetry
- herbaceous vegetation
- Plains
- water balance
- interrill erosion
- hydrology
- ground cover
- Prosopis glandulosa
- watersheds
- soil water content
- shrubs
- Texas
- range management
- rangelands
- Library Collection RecordSmall-plot trials of effective herbicides for manual woody-weed treatments should be validated on large tracts where rapidity, thoroughness, and efficiency of application are integral to operational-…Publication Date 1990-01-01
- Pinus monophylla
- coverage
- Juniperus osteosperma
- manual weed control
- timing
- placement
- pesticide application
- tebuthiuron
- brush control
- range management
- Utah
- Library Collection RecordWe compared responses of tallgrass prairie vegetation to late spring herdfires and backfires on a moderately stocked 2.4 AUM ha-1) shallow prairie range site 15 km southwest of Stillwater, Oklahoma.…Publication Date 1990-05-01
- fuels
- seasons
- weather
- ecosystems
- fire ecology
- prescribed burning
- Oklahoma
- Poaceae
- habitat improvement
- range management
- grazing
- Library Collection RecordMule deer (Odocoileus hemionus hemionus) can be thermally stressed under a wide range of ambient conditions. We developed a model that provides examples of the combinations of wind, solar radiation,…Publication Date 1990-01-01
- thermoregulation
- energy requirements
- solar radiation
- critical temperature
- wind effects
- thermal cover
- standard operative temperature
- habitats
- air temperature
- cold stress
- winter
- Odocoileus hemionus
- wildlife management
- range management
- 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 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 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 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 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 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 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 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 RecordKnowledge of how resident wildlife populations respond to brush management strategies is especially limited for rangelands in the cross timbers vegetation type of Oklahoma. We examined how cottontail…Publication Date 1991-03-01
- tebuthiuron
- population density
- triclopyr
- Sylvilagus floridanus
- ecotones
- habitats
- forests
- brush control
- population dynamics
- prescribed burning
- Oklahoma
- prairies
- range management
- Library Collection RecordPlots dominated by Japanese brome (Bromus japonicus) and western wheatgrass (Agropyron smithii) were burned in Badlands National Park, South Dakota, in April 1983 and/or 1984. Standing crop of all…Publication Date 1990-05-01
- Bromus japonicus
- national parks
- fire ecology
- weed control
- South Dakota
- spring
- prescribed burning
- Pascopyrum smithii
- range management
- 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 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 RecordCombined grazing by black-tailed prairie dogs (Cynomys ludovicianus) and bison (Bison) produces and maintains a series of changes in the vegetation of prairie dog colonies. However, because their…Publication Date 1991-03-01
- grazing time
- Cynomys ludovicianus
- mixed pastures
- bison
- controlled grazing
- South Dakota
- vegetation
- grazing intensity
- nitrogen content
- prairies
- biomass
- range management
- botanical composition
- grazing
- 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 1991-03-01
- planning
- public opinion
- research
- decision making
- range management
- Library Collection RecordTwo changes in traditional range condition analyses are recom- mended: (1) to replace the terms excellent, good, fair, and poor with ecological equivalents of climax, late seral, mid-seral, and early…Publication Date 1990-11-01
- site class assessment
- assessment
- seral stages
- multiple land use
- site factors
- range management
- rangelands
- Library Collection RecordManagers often deal with the problem of herd replacement of one animal class by another. A preliminary study suggested that steers could be substituted for cow-calf pairs on shortgrass steppe on a…Publication Date 1989-07-01
- animal unit equivalent
- substitution
- conversion
- cows
- sown grasslands
- ratios
- calves
- steppes
- stocking rate
- pastures
- steers
- natural grasslands
- range management
- Colorado
- forage
- feed intake
- Library Collection RecordBurning on good to excellent condition tallgrass prairie in central Oklahoma yielded results which visually appeared much greater than would be expected from previous burning research. Therefore, a…Publication Date 1989-01-01
- liveweight gain
- fires
- fire effects
- pastures
- prescribed burning
- Oklahoma
- crude protein
- diet studies
- cattle
- in vitro digestibility
- range management
- grazing
- Library Collection RecordAtrazine [6-chloro-N-ethyl-N′-(1-methylethyl)-1,3,5-triazine-2,4-diamine] can be used to modify species composition of naturally subirrigated Sandhills meadows. The potential for ground water…Publication Date 1988-09-01
- groundwater contamination
- dispersion
- herbicide residues
- physicochemical properties
- atrazine
- herbicides
- Nebraska
- runoff
- vegetation
- kinetics
- range management
- Library Collection RecordDeciding how to allocate forage among animals is a fundamentally important process in range management. The wisdom of these decisions can be enhanced by estimating the marginal value of forage needed…Publication Date 1989-03-01
- economic impact
- wildlife
- mathematical models
- Idaho
- range management
- livestock
- Library Collection RecordA rising plate meter (RPM) and ocular estimation of herbage fresh weight (OCES) were compared as double sampling methods to measure herbage dry weight (DWT) in a mountain meadow grazed by cattle (0,…Publication Date 1989-01-01
- mountains
- mountain areas
- meadows
- measurements
- highlands
- estimation
- California
- biomass
- range management
- forage
- Library Collection RecordFoliar sprays of 2,4-D [(2,4-dichlorophenoxy)acetic acid]), picloram (4-amino-3,5,6-trichloro-2-pyridinecarboxylic acid), dicamba (3,6-dichloro-2-methoxy benzoic acid), or clopyralid (3,6-dichloro-2-…Publication Date 1988-11-01
- Chrysothamnus
- Weeds
- evaluation
- herbicides
- weed control
- species
- range management
- rangelands
- Utah
- Library Collection RecordThurber needlegrass (Stipa thurberiana Piper) is an important component of both forested and shrub-steppe communities of the Pacific Northwest and Great Basin regions, and little is known of its…Publication Date 1988-11-01
- Achnatherum thurberianum
- roots
- stocking rate
- regrowth
- Oregon
- range management
- phenology
- rangelands
- defoliation
- livestock
- grazing
- forage
- Library Collection RecordAverage ignition costs per ha for aerial and ground ignited prescribed burns in redberry juniper (Juniperus pinchotii)-mixed grass communities were compared to determine the feasibility of using…Publication Date 1988-09-01
- ignition devices and methods
- aerial methods
- Juniperus pinchotii
- economic analysis
- prescribed burning
- Texas
- range management
- rangelands
- Library Collection RecordLehmann lovegrass (Eragostis lehmanniana Nees) may be viewed as either an undesirable exotic invader or an important ground cover and forage plant on southwestern rangelands, depending on management…Publication Date 1988-09-01
- ground cover plants
- Weeds
- seedling emergence
- ecological succession
- mortality
- fires
- fire effects
- prescribed burning
- land restoration
- seed germination
- range management
- Eragrostis lehmanniana
- rangelands
- Arizona
- forage
- Library Collection RecordJojoba (Simmondsia chinensis) is a major evergreen browse species for livestock and wildlife throughout its range from central Arizona to northwest Mexico and Baja California. Current guidelines for…Publication Date 1989-01-01
- Simmondsia chinensis
- wildlife
- browse plants
- woody plants
- range management
- browsing
- livestock
- grazing
- Arizona
- Library Collection RecordThe allometric relationship between plant volume and phytomass of crested wheatgrass was studied for the 1981, 1983, and 1984 growing seasons in west-central Utah. Basal diameters, canopy diameters,…Publication Date 1988-09-01
- models
- biomass determination
- volume determination
- estimates
- allometry
- nonlinear regression
- Agropyron desertorum
- prediction
- productivity
- diameter
- range management
- Utah
- canopy
- plant height
- Library Collection RecordFireline intensity (kW/m) was measured on 61 plots of weeping lovegrass [Eragrostis curvula (Schrad.) Nees.] and tobosagrass [Hilaria mutica (Buckl.) Benth.] burned as headfires and backfires during…Publication Date 1988-09-01
- fireline intensity
- basal area
- Hilaria mutica
- Eragrostis curvula
- fires
- fire effects
- yields
- seeds
- prescribed burning
- land restoration
- Texas
- range management
- rangelands
- plant height
- Library Collection RecordContinuous or pulse doses of Yb-labeled feedstuffs with subsequent fecal sampling can be used to estimate digesta passage rates and fecal output in ruminants. However, the validity of such estimates…Publication Date 1988-09-01
- gastrointestinal motility
- analytical methods
- passage rates
- prediction
- feces composition
- digesta
- cattle
- range management
- rangelands
- feed intake
- 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 1988-09-01
- range management
- Library Collection RecordWe discuss what concepts or models should be used to organize research and management on rangelands. The traditional range succession model is associated with the management objective of achieving an…Publication Date 1989-07-01
- ecological balance
- equilibrium
- ecosystems
- simulation models
- climax communities
- ecological succession
- pastures
- grazing intensity
- range management
- grazing
- Library Collection RecordComplementary pasture-native range systems are known to increase production per cow and per hectare of cow-calf enterprises, but the proper ratio of complementary pasture to range and the optimum…Publication Date 1988-09-01
- Bromus biebersteinii
- Medicago sativa
- cows
- Agropyron desertorum
- liveweight gain
- calves
- yields
- reproductive performance
- stocking rate
- profitability
- Wyoming
- range management
- Library Collection RecordThe future of rangeland resources development and management is dependent upon increased scientific capability. Remote sensing technology can contribute information for a variety of rangeland…Publication Date 1989-11-01
- remote sensing
- aerial photography
- color infrared
- spectral characteristics
- vegetation mapping
- vegetation monitoring
- range management
- geographic information systems
- airborne video
- Library Collection RecordA field study was conducted from 1981 through 1986 on an established stand of grass and legume species on topsoiled coalmine spoils in northwest Colorado to evaluate the effects of N and P…Publication Date 1989-07-01
- fodder legumes
- residual effects
- phosphorus fertilizers
- crop quality
- dry matter accumulation
- protein content
- coal mined land
- nitrogen fertilizers
- mountain grasslands
- crude protein
- growth rate
- plant density
- application rates
- range management
- crop yield
- botanical composition
- grasses
- Colorado
- forage
- Library Collection RecordA model, more detailed than a set of stocking rate response curves but less detailed than large process models such as SPUR, was needed to evaluate the short-term effect of grazing management…Publication Date 1989-09-01
- computer simulation
- stocking rate
- steers
- range management
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