Rangeland Ecology & Management
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- Library Collection RecordThe recent expansion of juniper into sagebrush steppe communities throughout the semiarid Intermountain West is most frequently attributed to the reduced role of fire, introduction and overstocking…Publication Date 1999-11-01
- dendrochronology
- growth rings
- artemisia arbuscula
- Festuca idahoensis
- Pinus ponderosa
- fire ecology
- Juniperus occidentalis
- rain
- stocking rate
- Oregon
- grazing intensity
- semiarid zones
- grasses
- Library Collection RecordAn experiment with beef cows grazing Mediterranean-type grassland was conducted to study the effect of grazing deferment at the beginning of the growing season on pasture productivity and animal…Publication Date 1999-11-01
- poultry manure
- calving rate
- replacement rate
- Israel
- weaning weight
- controlled grazing
- production costs
- continuous grazing
- duration
- stocking rate
- Mediterranean climate
- beef cows
- conception rate
- energy intake
- feed supplements
- biomass
- range management
- grazing
- feed intake
- Library Collection RecordIn continuous grazing systems the amount of herbage and its quality is a matter of primary concern. However, at moderate stocking, cattle grazing usually leads to the generation of patches differing…Publication Date 1998-11-01
- areas
- patches
- density
- Festuca arundinacea
- continuous grazing
- stocking rate
- pastures
- cattle
- nitrogen content
- biomass
- Argentina
- grazing
- feeding preferences
- plant height
- Library Collection RecordChronic overgrazing in the central Andes alters vegetation and may cause erosion and loss of productivity, but quantitative studies are lacking. We measured the relative influence of environmental…Publication Date 1999-09-01
- transhumance
- socioeconomic
- soil organic matter
- grazing time
- ground cover
- controlled grazing
- species diversity
- range condition
- dry seasons
- wet season
- slope
- aspect
- stocking rate
- mountain grasslands
- precipitation
- sheep
- biomass
- Argentina
- botanical composition
- altitude
- Library Collection RecordThe long-term sustainability of pasture management systems, whether related to structural stability or nutrient dynamics, is dependent upon maintaining soil biological properties. This study…Publication Date 2000-01-01
- arylsulfatase
- alkaline phosphatase
- acid phosphatase
- microorganisms
- Manitoba
- livestock numbers
- carbon
- enzyme activity
- sown grasslands
- continuous grazing
- stocking rate
- rotational grazing
- nitrogen content
- biomass
- soil water
- Library Collection RecordThe potential of using spring defoliation to improve late-summer nutritive value of prairie sandreed [Calamovilfa longifolia (Hook.) Scribn.] on rangeland was studied with a factorial array of…Publication Date 1999-05-01
- cutting height
- Calamovilfa longifolia
- semiarid grasslands
- protein content
- cutting date
- yields
- stocking rate
- Nebraska
- crude protein
- tillers
- in vitro digestibility
- range management
- Library Collection RecordThe objective of this study was to determine if leaf area index (LAI) or visual obstruction (VO) could be used in an efficient double-sampling format for estimating total above-ground standing crop…Publication Date 1999-09-01
- equipment
- stand density
- measurements
- range condition
- leaf area index
- stocking rate
- Nebraska
- grazing intensity
- biomass
- rangelands
- Library Collection RecordCarefully-managed livestock grazing has been offered as a tool to improve the forage quality of graminoids on big game winter range. Formal testing of this theory has thus far been done using hand…Publication Date 2000-01-01
- Festuca idahoensis
- Pseudoroegneria spicata
- Carex geyeri
- stems
- Carex
- savannas
- Cervus elaphus
- rain
- stocking rate
- Oregon
- crude protein
- shrubs
- sheep
- in vitro digestibility
- biomass
- canopy
- grazing
- forage
- Library Collection RecordPerformance of cow-calf (Bos taurus) and ewe-lamb (Ovisaries) units was compared under multispecies versus single-species grazing and deferred-rotation versus continuous stocking during a 10-year…Publication Date 1999-09-01
- grazing season
- land productivity
- mixed grazing
- seasons
- lambs
- ewes
- performance
- liveweight gain
- calves
- continuous grazing
- stocking rate
- beef cows
- rotational grazing
- Utah
- Library Collection RecordConcern over the humane treatment and diminishing numbers of feral horses (Equus caballus) led to their protection under the Wild Free-Roaming Horse and Burro Act of 1971. The potential for rapid…Publication Date 1999-03-01
- opportunity costs
- feral herds
- wildlife
- horses
- linear models
- stocking rate
- sward destruction
- species differences
- forbs
- steers
- Wyoming
- grazing intensity
- shrubs
- range management
- grasses
- Library Collection RecordGrazing distribution and forage use patterns are important influences on rangeland ecosystems. Spatial patterns of grazing by domestic cattle (Bos taurus) were observed over 2 consecutive years under…Publication Date 2000-01-01
- geographic information systems
- mathematical models
- prediction
- stocking rate
- rotational grazing
- spatial distribution
- grazing
- beef cattle
- Library Collection RecordThis investigation was to determine the carrying capacity of the Southern Plains mixed-grass prairie by measuring vegetation and yearling steer gain responses to 2 replicates of 3 different grazing…Publication Date 1999-11-01
- ground cover
- carrying capacity
- liveweight gain
- rain
- stocking rate
- winter
- Oklahoma
- steers
- summer
- sustainability
- botanical composition
- beef cattle
- Library Collection RecordIn the semi-arid Northern Great Plains, seeded cool-season grasses are primarily recommended for spring and fall grazing because their nutritive quality is perceived as too low to support acceptable…Publication Date 1999-05-01
- native grasslands
- physical activity
- Bromus inermis
- sown grasslands
- Agropyron desertorum
- liveweight gain
- duration
- stocking rate
- steers
- Pascopyrum smithii
- grazing intensity
- rangelands
- grazing
- North Dakota
- Library Collection RecordEastern gamagrass (Tripsacum dactyloides (L.) L.) is a perennial warm-season bunchgrass that starts growth earlier in the spring than most other warm-season grasses. This suggests that combining…Publication Date 1999-11-01
- Tripsacum dactyloides
- Tripsacum
- protein content
- liveweight gain
- Bothriochloa ischaemum
- rain
- stocking rate
- Oklahoma
- grazing intensity
- in vitro digestibility
- biomass
- botanical composition
- nutritive value
- grazing
- beef cattle
- plant height
- maturity stage
- Library Collection RecordPrior simulation analysis of cattle fever tick population dynamics has indicated that fixed rotation, short duration grazing (SDG) systems could mediate the spread of ticks among pastures if rest…Publication Date 1998-09-01
- life cycle
- simulation models
- Boophilus
- tick infestations
- mortality
- duration
- stocking rate
- rotational grazing
- grazing intensity
- range management
- seasonal variation
- beef cattle
- Library Collection RecordThe effects of stocking rate and grazing method on performance of yearling beef cattle grazing tallgrass prairies in north-central Oklahoma were evaluated from 1989 to 1994. Pastures dominated by big…Publication Date 1999-03-01
- costs and returns
- Schizachyrium scoparium
- production costs
- liveweight gain
- continuous grazing
- rain
- stocking rate
- Sorghastrum nutans
- Andropogon gerardii
- rotational grazing
- Oklahoma
- steers
- beef cattle
- Library Collection RecordDrought is an ambiguous term, subject to expectation and the weight of emphasis on meteorological, agricultural, hydrological and socio-economic dimensions. Uncertainty associated with the…Publication Date 1999-09-01
- hydrologic data
- water holding capacity
- extensive livestock farming
- desertification
- subsidies
- risk reduction
- soil degradation
- crusts
- ground cover
- semiarid grasslands
- ranching
- soil erosion
- issues and policy
- stocking rate
- vegetation
- drought injury
- dry environmental conditions
- overgrazing
- drought
- range management
- Library Collection RecordAshe juniper (Junius ashei, Buckholz) is increasing on most sites across the Edwards Plateau of Texas. It is the purpose of this investigation to document the influence of Ashe juniper tree size on…Publication Date 1997-09-01
- browse line
- light penetration
- size
- Juniperus ashei
- understory
- Odocoileus virginianus
- stocking rate
- goats
- Texas
- plant litter
- botanical composition
- canopy
- browsing
- grasses
- Library Collection RecordThe effects of fall and spring sheep use on cover components and recovery following a change in seasonality of grazing practices, were studied within long-term grazing treatments of three-tip…Publication Date 1998-05-01
- Artemisia tripartita
- Balsamorhiza
- timing
- ground cover
- controlled grazing
- stocking rate
- Idaho
- semiarid zones
- sheep
- plant density
- botanical composition
- rangelands
- canopy
- grazing
- Library Collection RecordA four-year study was conducted to investigate effects of continuous and short duration grazing in spring on standing crop and tiller density of crested wheatgrass [Agropyron desertorum (Fisch. ex…Publication Date 1997-03-01
- variation
- standing crop
- Agropyron desertorum
- continuous grazing
- Chrysothamnus viscidiflorus
- rain
- stocking rate
- rotational grazing
- steers
- tillers
- Artemisia tridentata
- plant density
- biomass
- canopy
- Library Collection RecordWe studied resource partitioning between cattle and deer (Odocoileus virginianus Boddaert) within replicated treatments of continuous and short-duration grazing at heavy and moderate stocking rates.…Publication Date 1997-11-01
- interspecific competition
- browse plants
- continuous grazing
- Odocoileus virginianus
- stocking rate
- species differences
- forbs
- rotational grazing
- cattle
- Texas
- seasonal variation
- botanical composition
- grasses
- feeding preferences
- Library Collection RecordWe documented vegetation dynamics (April 1986-July 1989) as part of a larger study to understand botanical composition and nutritional components of cattle and deer diets under 2 grazing systems (…Publication Date 1997-11-01
- continuous grazing
- rain
- Odocoileus virginianus
- stocking rate
- forbs
- rotational grazing
- grazing intensity
- cattle
- Texas
- biomass
- seasonal variation
- botanical composition
- grasses
- feeding preferences
- Library Collection RecordWe studied cattle and deer diet quality within replicated grazing treatments of continuous and short-duration grazing at heavy and moderate stocking rates. The study was conducted at the Welder…Publication Date 1997-11-01
- energy content
- protein content
- continuous grazing
- Odocoileus virginianus
- stocking rate
- species differences
- rotational grazing
- crude protein
- in vitro digestibility
- range management
- botanical composition
- beef cattle
- feeding preferences
- Library Collection RecordShortgrass rangeland, dominated by blue grama (Bouteloua gracilis [H.B.K.] Lag. ex Steud), was grazed at 3 intensities, equivalent to mean stocking rates of 16.7, 23.0, and 36.5 heifer-days ha-1,…Publication Date 1998-07-01
- long term experiments
- ground cover
- liveweight gain
- stocking rate
- heifers
- sustainability
- grazing intensity
- biomass
- plant litter
- botanical composition
- Colorado
- Library Collection RecordIndicators of nutrient intake were compared for beef steers grazing tallgrass prairie managed with continuous grazing or 8-paddock short-duration grazing. Two replicates of each grazing system were…Publication Date 1998-01-01
- duodenum
- flow
- feeding level
- dietary protein
- organic matter
- continuous grazing
- range condition
- feces composition
- stocking rate
- rotational grazing
- Oklahoma
- steers
- digestibility
- digesta
- grazing intensity
- nitrogen content
- prairies
- forage
- feed intake
- Library Collection RecordA study on Conservation Reserve Program (CRP) land was established in southeastern Nebraska to determine the effect of dormant-season management on subsequent-year growth rates and yields of…Publication Date 1998-07-01
- mowing
- harvest date
- developmental stages
- grassland improvement
- Schizachyrium scoparium
- stocking rate
- Nebraska
- Panicum virgatum
- prescribed burning
- Andropogon gerardii
- tillering
- grazing intensity
- plant height
- Library Collection RecordOld World bluestem (OWB; Bothriocloa spp.) are popular in the southern Great Plains but little is known about the relationships between forage characteristics and animal productivity. The influence…Publication Date 1998-07-01
- sown grasslands
- liveweight gain
- Bothriochloa ischaemum
- Bothriochloa bladhii
- body weight
- rain
- stocking rate
- Oklahoma
- steers
- biomass
- plant height
- Library Collection RecordGrasslands of northern Tierra del Fuego sustain 1 sheep/ha and are very extensively managed, with flocks roaming freely in large paddocks (2,000-4,000 ha). This system requires knowledge of landscape…Publication Date 1998-01-01
- lamb production
- ecotypes
- Poa
- extensive livestock farming
- indicator species
- landscape ecology
- ground cover
- soil fertility
- mortality
- stocking rate
- natural grasslands
- plant communities
- sheep
- Argentina
- botanical composition
- soil water
- Library Collection RecordNative warm-season grass mixtures have been established on the Southern Plains under the USDA Conservation Reserve Program. We studied responses to N fertilizer on such pastures in western Oklahoma…Publication Date 1998-07-01
- Bouteloua curtipendula
- grassland improvement
- ground cover
- nitrogen fertilizers
- stocking rate
- Oklahoma
- Bouteloua gracilis
- grazing intensity
- application rates
- biomass
- range management
- botanical composition
- beef cattle
- forage
- Library Collection RecordMany studies have reported nitrogen (N) fertilization of rangeland, but few have reported changes in botanical composition, which may be as important as changes in forage production, or were…Publication Date 1998-07-01
- long term experiments
- grassland improvement
- cost-benefit analysis
- rain
- nitrogen fertilizers
- stocking rate
- forbs
- Pascopyrum smithii
- Bouteloua gracilis
- Wyoming
- application rates
- biomass
- botanical composition
- grasses
- Library Collection RecordA biophysical model, GRAZE, is used to simulate beef forage performance for stocker steers pastured on common bermudagrass. Eight alternative stocking rates, ranging from low to high grazing…Publication Date 1997-09-01
- biophysical simulation model
- Arkansas
- uncertainty
- Cynodon dactylon
- risk
- simulation models
- costs and returns
- grassland improvement
- market prices
- production costs
- liveweight gain
- rain
- stocking rate
- steers
- grazing intensity
- forage
- 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 RecordOrnithologists often use simulated nests consisting of game bird or domestic poultry eggs to study nest survival. Researchers investigating cattle trampling of ground nests have sometimes used clay…Publication Date 1997-05-01
- clay
- birds' nests
- eggs
- clay pigeons
- game birds
- stocking rate
- animal behavior
- rotational grazing
- cattle
- simulation
- trampling
- Library Collection RecordThis research investigated the potential for using cattle grazing pressure (AU Mg-1 ha-1) and stocking rate (Animal Unit Days ha-1) for predicting basal scarring and browsing of lodgepole pine (Pinus…Publication Date 1998-03-01
- clearcutting
- British Columbia
- Pinus contorta
- mortality
- seedlings
- stocking rate
- grazing intensity
- browsing damage
- cattle
- Library Collection RecordThis research investigated the potential for using cattle grazing pressure (AU Mg-1 ha-1) and stocking rate (Animal Unit Days ha-1) for predicting basal scarring and browsing of lodgepole pine (Pinus…Publication Date 1998-07-01
- silvopastoral systems
- British Columbia
- Pinus contorta
- seedlings
- stocking rate
- grazing intensity
- browsing damage
- cattle
- trampling
- 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 RecordRotation grazing strategies have been proposed to increase stocking capacity, improve animal gains, and improve forage production and range condition. We compared continuous or season-long, 4-pasture…Publication Date 1997-11-01
- optimization
- ground cover
- producer prices
- beef
- liveweight gain
- continuous grazing
- root systems
- rain
- stocking rate
- forbs
- rotational grazing
- steers
- Wyoming
- grazing intensity
- biomass
- plant litter
- botanical composition
- grasses
- 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 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 RecordFor many grassland songbird species, pastures represent some of the best available breeding habitat in the Upper Midwest. Increasing interest in intensive rotational grazing (IRG) among midwestern…Publication Date 1996-07-01
- pheasants
- birds' nests
- Wisconsin
- wild birds
- stocking rate
- rotational grazing
- grazing intensity
- cattle
- Library Collection RecordLeafy spurge (Euphorbia esula L.) is a noxious weed on rangelands throughout the Northern Great Plains. Most of these ranges are grazed by cattle which do not use leafy spurge as forage. Although…Publication Date 1996-07-01
- profits
- cattle production
- fencing
- farm budgeting
- carrying capacity
- Euphorbia esula
- ranching
- cost-benefit analysis
- stocking rate
- selective grazing
- sheep
- Montana
- Library Collection RecordThe effects of reducing sheep grazing on upland vegetation and wild herbivores was studied at 11 sites in the Scottish Highlands. Areas where sheep had been removed for periods of up to 25 years were…Publication Date 1996-07-01
- Scotland
- sward
- voles
- sheep manure
- ecological succession
- Cervus elaphus
- stocking rate
- prescribed burning
- plant communities
- sheep
- botanical composition
- rangelands
- canopy
- grazing
- plant height
- Library Collection RecordA 5 year study was conducted during 1988-1992 to quantify the effects of grazing date and frequency on total organic reserves of prairie sandreed [Calamovilfa longifolia (Hook.) Scribn.] and sand…Publication Date 1996-03-01
- etiolation
- grazing date
- organic matter
- Calamovilfa longifolia
- Andropogon hallii
- frequency
- rain
- stocking rate
- Nebraska
- rotational grazing
- grazing intensity
- grazing
- Library Collection RecordThe germinable seed bank in a grassland affects the succession of degraded range and the recolonization of disturbed sites, and must be understood to predict potential responses to management. The…Publication Date 1995-09-01
- soil surface
- seed banks
- Festuca campestris
- Alberta
- stocking rate
- grazing intensity
- seed germination
- prairies
- seasonal variation
- botanical composition
- grazing
- prairie soils
- Library Collection RecordLittle information is available comparing animal performance or stocking stability for different wheat (Triticum aestivum L.) cultivars. Wheat is annually planted on 10 million ha in the Southern…Publication Date 1996-03-01
- performance
- Triticum aestivum
- liveweight gain
- cultivars
- rain
- stocking rate
- steers
- Texas
- biomass
- seasonal variation
- grazing
- beef cattle
- forage
- Library Collection RecordThe relation was studied between the applied stocking rates and the degree to which sheep grazed stems of various karoobush species. A rule of thumb exists amongst farmers and research workers in the…Publication Date 1996-03-01
- Asteraceae
- Eriocephalus
- pentzia spinescens
- rosenia humilis
- eriocephalus ericoides
- stems
- prediction
- South Africa
- palatability
- stocking rate
- diameter
- selective grazing
- semiarid zones
- sheep
- Library Collection RecordOld World bluestem (Bothriochloa ischaemum L.) is the major grass being planted for improved pastures on marginal farmland in western Oklahoma and adjacent areas in Texas. The farmland is often…Publication Date 1995-09-01
- leaves
- grassland improvement
- stems
- liveweight gain
- Bothriochloa ischaemum
- nitrogen fertilizers
- leaf area index
- stocking rate
- Oklahoma
- steers
- digestibility
- crude protein
- application rates
- 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 RecordThe ecological trends in the vegetation of the caldén (Prosopis caldenia Burk.) forest of central Argentina have generally been explained with a model that assumed a unique equilibrium state or…Publication Date 1995-09-01
- Prosopis caldenia
- wildfire management
- grassland improvement
- Prosopis
- climax communities
- ecological succession
- rain
- stocking rate
- overgrazing
- Argentina
- botanical composition
- grasses
- 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