Rangeland Ecology & Management
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- Library Collection RecordState and transition (ST) descriptions of rangeland vegetation dynamics provide information on current perceptions of explicit causes of change in dominant vegetation. Structural attributes of ST…Publication Date 1997-07-01
- simulation models
- vegetation
- range management
- rangelands
- Library Collection RecordGrazing system and stocking rate effects on standing crop of species and relative species composition of tallgrass prairies in north-central Oklahoma were evaluated from 1989 to 1993. Twelve…Publication Date 1998-03-01
- continuous grazing
- rain
- stocking rate
- pastures
- forbs
- rotational grazing
- Oklahoma
- prairies
- biomass
- botanical composition
- grasses
- Library Collection RecordThis 10-year study was designed to evaluate vegetation response to increasing stocking rates under rotational stocking (3 days graze, 51 days rest) and long-term rest. The 4 stocking rate treatments…Publication Date 1997-07-01
- stocking rate
- rotational grazing
- Texas
- range management
- botanical composition
- livestock
- Library Collection RecordBetter management of riparian areas has been promoted by public agencies for almost 2 decades. Recently, however, efforts have been intensified because serious conservation concerns remain. To…Publication Date 1998-07-01
- Great Plains states of USA
- water pollution
- erosion control
- private ownership
- public domain
- land ownership
- riparian buffers
- wildlife management
- range management
- Library Collection RecordSome have argued that federal grazing preferences or permits are a form of private property and should be recognized as such by the federal government. This viewpoint studies the grazing controversy…Publication Date 1997-07-01
- legal rights
- public domain
- pastures
- United States
- grazing
- Library Collection RecordA new typology shows that the notion of rangeland carrying capacity has considerable ambiguity even under conditions of high environmental certainty. When these environmental conditions are highly…Publication Date 1997-09-01
- equilibrium
- decision analysis
- knowledge
- carrying capacity
- estimation
- stocking rate
- range management
- rangelands
- Library Collection RecordThe value of science to policy design is questioned by many, including political scientists. Critics view scientific expertise as subject to monopolization by an elite technocracy; a process with…Publication Date 1997-05-01
- decision making
- issues and policy
- democracy
- range management
- grazing
- Library Collection RecordSeasonal wildlife observations were made along transects on 2 pastures in late seral and 2 pastures in mid seral condition in southcentral New Mexico in non-drought and drought years (1993, 1994).…Publication Date 1997-11-01
- seral stages
- wild birds
- arid zones
- wildlife
- climax communities
- grasslands
- rain
- pastures
- shrubs
- drought
- botanical composition
- New Mexico
- Library Collection RecordCattle trampling of endangered plants, certain animal species, and ground nests may be a management concern on rangeland. Researchers need theoretical models of trampling loss to assist in design of…Publication Date 1996-05-01
- probabilistic models
- birds' nests
- endangered species
- continuous grazing
- stocking rate
- rotational grazing
- cattle
- range management
- simulation
- trampling
- Library Collection RecordDecision support software has evolved in a number of disciplines to facilitate efficient allocation of resources. Such tools are especially useful where the response of complex systems to human…Publication Date 1996-09-01
- decision analysis
- computer software
- economic analysis
- range management
- Library Collection RecordThe perceived economic damage to forage crops in Montana attributed to native ungulates during 1992 was estimated using a mail survey of 2,200 randomly selected farms and ranches. The 1,120…Publication Date 1996-07-01
- farm surveys
- crop damage
- crop losses
- vertebrate pests
- compensation
- hay fields
- haystacks
- fields
- farm size
- Odocoileus virginianus
- pastures
- Antilocapra americana
- hay
- Odocoileus hemionus
- Cervus elaphus canadensis
- Montana
- Library Collection RecordAbility to compete with alien weeds may be one factor enabling high-seral, native bunchgrasses to persist on degraded rangelands. This study examined the effect of competition from cheatgrass (Bromus…Publication Date 1995-09-01
- strain differences
- selection responses
- ecotypes
- Festuca idahoensis
- shoots
- Bromus tectorum
- pastures
- weight
- Oregon
- tillers
- biomass production
- plant competition
- rangelands
- plant height
- Library Collection RecordDiffuse knapweed (Centaurea diffusa Lam.), an invasive weed, has reduced forage production and biodiversity, and increased soil erosion on over a million hectares of rangeland in the western United…Publication Date 1997-01-01
- Hesperostipa comata
- Centaurea diffusa
- wind
- Pseudoroegneria spicata
- sowing
- crop-weed competition
- ambient temperature
- invasion
- Agropyron cristatum
- rain
- Washington
- biomass
- range management
- defoliation
- Library Collection RecordSince 1988, University of California Cooperative Extension short courses have been offered to 362 California ranchers and interested participants. The purpose was to assist private rangeland owners…Publication Date 1996-01-01
- short courses
- U.S. Cooperative Extension Service
- ranching
- California
- range management
- grazing
- beef cattle
- Library Collection RecordThe objectives of this study were to identify a Site Conservation Threshold, the point at which accelerated erosion occurs, and to examine the usefulness of the Water Erosion Prediction Project (WEPP…Publication Date 1996-05-01
- water erosion
- rill erosion
- ground cover
- semiarid grasslands
- highlands
- mathematical models
- loam soils
- clay soils
- range condition
- rain
- biomass
- sediment yield
- range management
- plant litter
- Arizona
- Library Collection RecordBroom snakeweed [Gutierrezia sarothrae (Pursh) Britton and Rusby] destruction by 1, 3, or 5 snakeweed grasshoppers [Hesperotettix viridis (Thomas)] per plant was quantified and compared with forage…Publication Date 1996-09-01
- Hesperotettix viridis
- biological control
- population density
- feeding
- weed control
- mortality
- Gutierrezia sarothrae
- range management
- Orthoptera
- New Mexico
- Library Collection RecordThirty-six weanling steer calves (avg wt = 174 +/- 14 kg) were grazed on either wheat, irrigated improved, or native rangeland pastures from December 1989 to December 1990. Irrigated improved…Publication Date 1995-11-01
- Triticum aestivum
- Festuca arundinacea
- irrigated pastures
- Cynodon dactylon
- grassland improvement
- liveweight gain
- Bothriochloa ischaemum
- yields
- chemical composition
- pastures
- diet
- steers
- digestibility
- New Mexico
- forage
- dry matter
- feed intake
- Elytrigia elongata
- Library Collection RecordFecal microhistology and chemistry were used to evaluate botanical composition and quality of diets selected by Brangus cattle grazing Chihuahuan desert range in 3 seasons; fall: October, 1991;…Publication Date 1995-11-01
- phenotypic correlation
- sires
- free range husbandry
- genetic variance
- autumn
- heritability
- feces composition
- Brangus
- pastures
- spring
- summer
- biomass
- botanical composition
- grazing
- New Mexico
- beef cattle
- feeding preferences
- Library Collection RecordSeasonal habitat use by white-tailed deer (Odocoileus virginianus Zimmerman) was monitored with radio telemetry in 1988-89 to determine responses to experimental brush treatments, 5-6 years post-…Publication Date 1996-09-01
- habitat selection
- tebuthiuron
- triclopyr
- Odocoileus virginianus
- prescribed burning
- Oklahoma
- range management
- seasonal variation
- Library Collection RecordResearch has been lacking on the influence of honey mesquite (Prosopis glandulosa Torr.) on forage production in the Chihuahuan desert. In 1964 honey mesquite was controlled (65% kill) with the…Publication Date 1996-01-01
- xerophytes
- woody weeds
- Prosopis glandulosa
- cost-benefit analysis
- brush control
- rain
- forbs
- biomass
- range management
- botanical composition
- canopy
- grazing
- grasses
- New Mexico
- Library Collection RecordThe study concerns the impact of herbivory on the root systems of 3 perennial grasses, buffelgrass (Cenchrus ciliaris), digitgrass (Digitaria commutata) and needlegrass (Stipa lagascae), growing in…Publication Date 1996-07-01
- Digitaria
- Tunisia
- digitaria commutata
- stipa lagascae
- arid zones
- roots
- root systems
- perennials
- cutting frequency
- Cenchrus ciliaris
- range management
- Stipa
- Library Collection RecordGrazing distribution patterns of large herbivores are affected by abiotic factors such as slope and distance to water and by biotic factors such as forage quantity and quality. Abiotic factors are…Publication Date 1996-09-01
- wild animals
- foraging
- mathematical models
- ungulates
- spatial distribution
- wildlife management
- range management
- grazing
- Library Collection RecordProposals outlined in Rangeland Reform '94 have been perceived to greatly alter grazing use on public lands. In addition to new rules and regulations, the grazing fee would double under this…Publication Date 1996-05-01
- grazing permits
- land policy
- grazing tenancy
- econometric models
- public domain
- land values
- ranching
- range management
- New Mexico
- Library Collection RecordEighty 2-year-old spring calving primiparous cows were assigned to 2 weaning and 2 grazing treatments (20 cows/treatment) from 7 September to 7 November in 1991, 1992, and 1993. Grazing treatments…Publication Date 1997-01-01
- subsurface irrigation
- dry periods
- lactation
- weaning
- lactation number
- irrigated pastures
- body condition
- liveweight gain
- calves
- body weight
- fiber content
- pastures
- Nebraska
- beef cows
- crude protein
- in vitro digestibility
- grazing
- forage
- feed intake
- Library Collection RecordThe relative abundance and dietary botanical composition of the Chacoan cavy (Pediolagus salinicola) was studied on sites of very good, good, and poor range condition in the Western Chaco, Argentina…Publication Date 1995-11-01
- Pediolagus salinicola
- rodents
- indicator species
- savannas
- feces
- diet
- dry environmental conditions
- overgrazing
- range management
- Argentina
- botanical composition
- grazing
- Library Collection RecordThree mixed prairie sites at Mandan, N.D. were grazed heavily (0.9 ha steer-1), moderately (2.6 ha steer-1), or left ungrazed (exclosure) since 1916. These sites provided treatments to study the…Publication Date 1995-09-01
- c4 species
- c3 species
- exclosures
- carbon
- organic matter
- stocking rate
- species differences
- Bouteloua gracilis
- nitrogen content
- range management
- botanical composition
- grazing
- prairie soils
- North Dakota
- Library Collection RecordPrescribed burning and mowing are management practices commonly used on grasslands even though there is limited knowledge of long-term effects on soil quality. The influences of mowing and burning on…Publication Date 1996-09-01
- mowing
- soil organic matter
- soil density
- electrical conductivity
- highlands
- soil pH
- loam soils
- Nebraska
- prescribed burning
- nitrogen content
- range management
- infiltration
- bulk density
- Library Collection RecordSuccessful managers of federal rangelands in the next century will have to implement politically supportable policies that address both forage and non-forage values. To do so will require an…Publication Date 1996-01-01
- public opinion
- public domain
- surveys
- multiple land use
- Oregon
- wildlife management
- range management
- rangelands
- United States
- Library Collection RecordThe purpose of this research was to estimate the impacts of increased federal grazing fees on current holders of grazing permits on the Gila National Forest (GNF) in western New Mexico. A multi-…Publication Date 1997-01-01
- farm income
- fees
- grazing tenancy
- farm size
- economic impact
- ranching
- cost-benefit analysis
- linear models
- grazing intensity
- range management
- New Mexico
- beef cattle
- Library Collection RecordThis paper is an analysis of general principles involved in designing concepts for range science. It discusses the diversity of conceptuality in range science, from dimensional units to variables to…Publication Date 1996-09-01
- objectives
- range management
- Library Collection RecordMany ranchers, rangeland managers, and range scientists in the Pacific Northwest consider western juniper (Juniperus occidentalis Hook.) to be an invading weed that reduces water infiltration, dries…Publication Date 1996-01-01
- stream flow
- water yield
- habitats
- soil erosion
- brush control
- Juniperus occidentalis
- rain
- Oregon
- range management
- plant competition
- Library Collection RecordInformation is lacking on the influence of range condition on wildlife populations in the Chihuahuan Desert. Wildlife observations were made along transects on ranges in excellent and good ecological…Publication Date 1996-11-01
- arid grasslands
- wildlife
- species diversity
- range condition
- stocking rate
- pastures
- botanical composition
- grazing
- New Mexico
- Library Collection RecordMicrowave radar is a potentially useful tool for monitoring the condition of the rangeland. A study was conducted in a mixed prairie community at the Agriculture Canada Research Substation at Onefour…Publication Date 1994-09-01
- radar
- radar backscatter
- oversowing
- aerial photography
- Psathyrostachys juncea
- remote sensing
- Agropyron cristatum
- Alberta
- land restoration
- range management
- botanical composition
- rangelands
- canopy
- grazing
- Library Collection RecordChanges in woodland vegetation integrate the consequences of livestock grazing intensity, the alteration of fire regimes, and possible climate alterution, as well as other factors. Quantitative…Publication Date 1994-09-01
- pinyon-juniper
- ground cover
- understory
- species diversity
- fire ecology
- stocking rate
- range management
- botanical composition
- Utah
- grazing
- beef cattle
- Library Collection RecordFecal output of range cows was determined during 2 periods of summer (period I) and late summer (period II) grazing using a constant release intraruminal Cr2O3 bolus. Chromic oxide contamination was…Publication Date 1995-05-01
- chromic oxide
- controlled release
- contamination
- experimental bias
- errors
- feces composition
- pastures
- beef cows
- grazing
- forage
- Library Collection RecordA Stipa-bouteloua community, cultivated in the autumn of 1928 and abandoned in the spring of 1932, reverted to a community dominated by needle-and-thread (Stipa comata Trin. and Rupr.). An exclosure…Publication Date 1994-01-01
- abandoned land
- soil organic matter
- Hesperostipa comata
- soil properties
- Alberta
- Bouteloua gracilis
- prairies
- range management
- botanical composition
- rangelands
- Library Collection RecordThe profitability of alternative range-based production systems is frequently affected by government policies. Moreover, the comparative profitability of wild and domestic animal production systems…Publication Date 1994-07-01
- Zimbabwe
- disincentives
- opportunity costs
- farm income
- game farming
- savannas
- profitability
- beef production
- semiarid zones
- cattle
- range management
- Library Collection RecordA 4-year study was conducted on Kansas Flint Hills bluestem range to monitor animal gain, grass, and forb standing biomass following grazing, plant population dynamics, and in 2 years, subsequent…Publication Date 1995-05-01
- feed conversion
- dressing percentage
- carcass weight
- sorghum
- Sorghastrum nutans
- warm-season grasses
- Schizachyrium scoparium
- Poa pratensis
- Kansas
- liveweight gain
- grazing experiments
- pastures
- Andropogon gerardii
- steers
- feed supplements
- biomass
- botanical composition
- grasses
- beef cattle
- Library Collection RecordLong-term influences of livestock grazing on vegetation around watering points was studied on 2 upland Chihuahuan desert ranges in southcentral New Mexico using regression analysis. One range had…Publication Date 1995-01-01
- drinking water
- arid zones
- stocking rate
- cattle
- range management
- botanical composition
- New Mexico
- poisonous plants
- Library Collection RecordA study was conducted on the effect of the rhizobacterium Azospirillum brasilense strain Cd on the production of herbaceous swards growing at 2 rangeland habitats in Israel. One habitat was the…Publication Date 1994-01-01
- Azospirillum brasilense
- improvement
- soil inoculation
- phosphorus fertilizers
- Israel
- productivity
- nitrogen fertilizers
- range management
- Library Collection RecordGulf cordgrass (Spartina spartinae [Trin.] Merr.) is a highly productive bunchgrass that dominates thousands of hectares of marshlands along the Gulf coast. Herbage yield, protein content, and…Publication Date 1994-01-01
- total nonstructural carbohydrates
- spartina spartinae
- coasts
- marshes
- wetlands
- forage crops
- clipping
- stubble
- carbohydrates
- protein content
- Texas
- range management
- crop yield
- plant height
- Library Collection RecordAn increase in continuous fine fuels promoted by the expansion of aggressive annual exotic grasses in the Intermountain West has altered the region's fire regimes, with both ecologic and…Publication Date 1995-01-01
- fire danger
- Rocky Mountain region
- mathematical models
- prediction
- fire ecology
- rain
- Bromus tectorum
- Oregon
- California
- biomass
- range management
- climatic factors
- Library Collection RecordThere has been recent concern regarding the effects of range management practices on biodiversity. Our objective was to determine the long-term (> 30 years) effects of chaining, and chaining…Publication Date 1994-11-01
- plowing
- root plowing
- chaining
- habitats
- brush control
- species diversity
- woody plants
- Texas
- range management
- Library Collection RecordManagement of switchgrass (Panicum virgatum L.) for both forage and seed would improve the diversity of options livestock producers have for their stands. Our objective was to evaluate how timing of…Publication Date 1994-01-01
- seed quality
- seed production
- Missouri
- nitrogen fertilizers
- Panicum virgatum
- tillering
- precipitation
- range management
- forage
- Library Collection RecordInformation is limited on the influence of range condition on cattle diets in the Chihuahuan desert. Botanical composition of cattle diets on Chihuahuan desert ranges in excellent and good condition…Publication Date 1994-09-01
- Bouteloua eriopoda
- Sporobolus
- nutrient content
- Prosopis glandulosa
- arid lands
- feces
- diet
- phosphorus
- cattle feeding
- nitrogen content
- range management
- botanical composition
- grazing
- New Mexico
- beef cattle
- Library Collection RecordDynamic programming was used to obtain optimal management and marketing policies for stocker operations in Southeastern Colorado under different stocking rates, rainfall, and price scenarios.…Publication Date 1995-01-01
- dynamic programming
- risk
- marginal returns
- market prices
- rain
- stocking rate
- pastures
- range management
- Library Collection RecordThis paper analyzes subjective perceptions of Texas ranchers concerning management decision-making to obtain insight for improving technology transfer. Correlations among variables from a 1990 mail…Publication Date 1994-09-01
- reliability
- farm surveys
- data analysis
- grazing tenancy
- brush control
- weed control
- stocking rate
- Texas
- range management
- Library Collection RecordRangelands with histories of overgrazing are frequently depauperate of native grasses. Occasionally, remnant native grasses are found surviving in these areas. We hypothesized that these survivors…Publication Date 1994-01-01
- patterns
- Festuca idahoensis
- adaptation
- growth
- Oregon
- range management
- rangelands
- defoliation
- grazing
- Library Collection RecordThe sequence of species selection over the grazing period directly determines the effectiveness of different grazing systems. Knowledge of this sequence is also important in understanding the plant-…Publication Date 1995-07-01
- Tristachya
- tirstachya leucothrix
- Themeda triandra
- Eragrostis plana
- Hyparrhenia hirta
- South Africa
- veld
- tillers
- sheep
- cattle
- range management
- botanical composition
- defoliation
- grazing
- feeding preferences
- Library Collection RecordWiregrass (Aristida stricta Michx.)-dominated communities characterize extensive areas of South Florida that have been subjected to burning and uncontrolled grazing for decades. We evaluated the…Publication Date 1994-01-01
- Aristida stricta
- panicum oligosanthes
- burning
- Florida
- range management
- seasonal variation
- botanical composition
- rangelands
- grazing
- forage
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