Rangeland Ecology & Management
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Displaying 101 - 150 of 279 results
- Library Collection RecordWe evaluated winter weight gain of captive male white-tailed deer (Odocoileus virginianus) that grazed pastures of berseem (Trifolium alexandrinium L.), white (T. repens L.), crimson (T. incarnatum L…Publication Date 1992-11-01
- Trifolium alexandrinum
- Trifolium incarnatum
- Trifolium subterraneum
- Trifolium repens
- Lolium multiflorum
- liveweight gain
- Odocoileus virginianus
- pastures
- diets
- wildlife management
- rangelands
- nutritive value
- Library Collection RecordInformation is presented on the suitability of various drills for direct seeding into permanent pastures and rangelands in Saskatchewan. Strips of sod 30 to 100-cm wide were killed during the growing…Publication Date 1992-09-01
- comparison
- seed drills
- direct seeding
- crop establishment
- permanent grasslands
- Medicago sativa
- seedling emergence
- Saskatchewan
- pastures
- soil water content
- seed germination
- range management
- Library Collection RecordFire-scorched crowns of live eastern redcedar (Juniperus virginiana L.) were ignited using a propane torch in 3 studies to quantify the efficacy and to determine the feasibility of the technique as a…Publication Date 1992-09-01
- brush control
- vegetation management
- pastures
- prescribed burning
- Oklahoma
- Juniperus virginiana
- range management
- Library Collection RecordEffects of burning, mowing, and 2,4-D on antelope bitterbrush (Purshia tridentata Pursh.) nutrient contents were evaluated in southcentral Wyoming. During the first growing season following…Publication Date 1992-09-01
- mowing
- 2,4-D
- crop quality
- ash
- Purshia tridentata
- fires
- fire effects
- pastures
- winter
- prescribed burning
- phosphorus
- summer
- Wyoming
- in vitro digestibility
- nitrogen content
- range management
- seasonal variation
- nutritive value
- forage
- chemical constituents of plants
- Library Collection RecordThe relatively low productivity of the herbaceous stratum of the oak-hickory forests of North America has prompted land managers to evaluate alternative means of increasing large herbivore production…Publication Date 1992-09-01
- linear programming
- econometric models
- costs and returns
- hunting
- multiple land use
- decision making
- cost-benefit analysis
- livestock production
- brush control
- vegetation management
- pastures
- Oklahoma
- wildlife management
- range management
- Library Collection RecordTotal vegetation cover, forage species cover, litter cover, and carrying capacity were determined during 3 growing seasons (1979-80, 1980-81, and 1981-82), for plots cleared of shrubs with or without…Publication Date 1992-09-01
- larrea cuneifolia
- carrying capacity
- arid lands
- brush control
- vegetation management
- pastures
- natural grasslands
- plant communities
- shrubs
- range management
- Argentina
- grazing
- Library Collection RecordA 3-year field study was conducted near Grassrange, Montana. (Latitude 46 degrees 50'N and Longitude 108 degrees 50'W) to determine the effect of leafy spurge (Euphorbia esula L.) shoot…Publication Date 1992-07-01
- Euphorbia esula
- weed control
- chemical control
- pastures
- grazing behavior
- cattle
- plant density
- picloram
- Montana
- forage
- Library Collection RecordThe impact of grazing animals and plant protection on shrub seedling establishment was studied in 2 separate experiments. A total of 3,665 seedlings were monitored for survival during a sheep grazing…Publication Date 1992-05-01
- colonizing ability
- biological control
- site factors
- Agropyron desertorum
- brush control
- mortality
- seedlings
- pastures
- Artemisia tridentata
- sheep
- cattle
- Utah
- grazing
- Library Collection RecordA comprehensive system has been designed to serve as a basis for rangeland condition and grazing capacity assessment. It is important that research information and knowledge be transferred to land…Publication Date 1992-03-01
- databases
- expert systems
- carrying capacity
- decision making
- crop production
- pastures
- range management
- rangelands
- grazing
- Library Collection RecordSheep are more resistent to larkspur poisoning than cattle. Grazing larkspur with sheep before cattle turn-in may reduce the threat of cattle poisoning. Two 2.1-ha pastures were established in Upper…Publication Date 1992-03-01
- loss prevention
- Delphinium glaucescens
- biological control
- poisonous weeds
- weed control
- pastures
- sheep
- cattle
- Montana
- grazing
- Library Collection RecordThis material was digitized as part of a cooperative project between the Society for Range Management, the National Agricultural Library, and the University of Arizona Libraries. The Rangelands…Publication Date 1991-10-01
- grazing
- rangelands
- grasslands
- Washington
- vegetation
- pastures
- Library Collection RecordFreeze drying, conventional oven drying, and microwave oven drying were compared with respect to their effect on the chemical composition of native range forage and feces from cattle grazing the…Publication Date 1991-09-01
- convection dryers
- freeze drying
- forage dryers
- microwave dryers
- drying
- feces composition
- fiber content
- feces
- chemical composition
- pastures
- cattle
- forage
- Library Collection RecordWe studied use of pastures and habitats in relation to moderate cattle grazing for 19 radio-collared desert mule deer (Odocoileus hemionus crooki) in a southeastern Arizona grass-shrubland. For each…Publication Date 1991-09-01
- odocoileus hemionus crooki
- xeroriparian habitats
- home range
- semi-desert scrub
- habitat selection
- habitats
- pastures
- Odocoileus hemionus
- cattle
- grazing
- Arizona
- Library Collection RecordThis paper discusses the criteria needed for quantitative evidence of overgrazing and outlines some of the main pasture and external factors that promote overgrazing by herbivores. Overgrazing is…Publication Date 1991-09-01
- wool production
- econometric models
- animal production
- economic analysis
- stocking rate
- pastures
- sheep
- overgrazing
- cattle
- rangelands
- Library Collection RecordUneven distribution of livestock in large pastures results in some areas receiving more use than the average and some areas receiving little or no use. Six 2-ha experimental pastures on a shallow…Publication Date 1991-09-01
- grazing pressure
- twig diameter
- grazing strategy
- Acacia rigidula
- Acacia berlandieri
- stocking rate
- branches
- diameter
- pastures
- grazing intensity
- goats
- Texas
- canopy
- feeding preferences
- plant height
- Library Collection RecordFour potential cattle grazing systems on summer range in the Sierra Nevada are compared in terms of deer harvest, number of hunters attracted, and the net economic value of hunting. Research on deer…Publication Date 1991-07-01
- net economic benefit
- national forests
- carrying capacity
- population density
- economic analysis
- hunting
- multiple land use
- pastures
- rotational grazing
- grazing intensity
- Odocoileus hemionus
- California
- cattle
- range management
- rangelands
- 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 RecordEsophageal fistulated animals are used to collect samples of the forage being consumed by animals in grazing experiments. Four principal hypotheses (H) can be tested in esophageal trials: (1)…Publication Date 1991-07-01
- livestock feeding
- fistulation
- clipping
- experimental design
- grazing trials
- statistical analysis
- pastures
- sampling
- esophagus
- livestock
- forage
- feeding preferences
- 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 RecordA 3-year experiment designed to quantify the spatial and temporal utilization patterns of range sites by beef cattle on summer foothill range was conducted on the Wick Brothers Management Unit of the…Publication Date 1991-05-01
- site types
- sloping land
- habitat selection
- behavior
- site factors
- soil types
- water availability
- pastures
- summer
- Wyoming
- plant communities
- spatial distribution
- seasonal variation
- grazing
- beef cattle
- feeding preferences
- Library Collection RecordCattle at a light stocking rate of 0.17 to 0.18 AUM/ha over a 35-day grazing season in summer preferred to graze on lowland range sites, while elk in winter preferred upland range sites. We changed…Publication Date 1991-05-01
- animal competition
- sloping land
- foraging
- highlands
- lowlands
- habitats
- site factors
- soil types
- stocking rate
- pastures
- winter
- Wyoming
- grazing intensity
- Cervus elaphus canadensis
- grazing behavior
- cattle
- 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 RecordThis material was digitized as part of a cooperative project between the Society for Range Management, the National Agricultural Library, and the University of Arizona Libraries. The Rangelands…Publication Date 1991-04-01
- range management
- cattle
- riparian buffers
- animal husbandry
- pastures
- erosion control
- 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 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 RecordThis material was digitized as part of a cooperative project between the Society for Range Management, the National Agricultural Library, and the University of Arizona Libraries. The Rangelands…Publication Date 1991-02-01
- range management
- Texas
- stocking rate
- brush control
- brushwood
- labor costs
- labor requirements
- pastures
- Library Collection RecordThis material was digitized as part of a cooperative project between the Society for Range Management, the National Agricultural Library, and the University of Arizona Libraries. The Rangelands…Publication Date 1991-02-01
- wool production
- pastures
- grassland improvement
- sheep farming
- New Mexico
- 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 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 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 RecordCrop coefficients (Kc) provide a means of relating evapotranspiration (ET) to standard references such as pan evaporation or other climatic based reference ET’s (ET = Kc*reference ET). They have been…Publication Date 1990-11-01
- lysimetry
- evaporation
- evapotranspiration
- measurements
- water requirements
- estimation
- transpiration
- South Dakota
- pastures
- Idaho
- Wyoming
- rangelands
- Library Collection RecordHeavy communal grazing pressure and rapid phytomass decomposition reduce shrub interspace cover in Somalia from 100% at the end of the growing season to 5% at the end of the dormant season. Intense…Publication Date 1990-11-01
- communal feeding
- interrill erosion
- hydrology
- watershed management
- ground cover
- watersheds
- Somalia
- sandy soils
- clay soils
- pastures
- grazing intensity
- shrubs
- plant litter
- rangelands
- livestock
- grazing
- infiltration
- Library Collection RecordThis material was digitized as part of a cooperative project between the Society for Range Management, the National Agricultural Library, and the University of Arizona Libraries. The Rangelands…Publication Date 1990-10-01
- grazing
- fees
- Oregon
- public domain
- pastures
- case studies
- Library Collection RecordThis material was digitized as part of a cooperative project between the Society for Range Management, the National Agricultural Library, and the University of Arizona Libraries. The Rangelands…Publication Date 1990-10-01
- pastures
- Cervus elaphus canadensis
- overgrazing
- land use
- Arizona
- cattle
- Library Collection RecordThis material was digitized as part of a cooperative project between the Society for Range Management, the National Agricultural Library, and the University of Arizona Libraries. The Rangelands…Publication Date 1990-10-01
- range management
- United States
- rangelands
- forage
- pastures
- Southeastern United States
- Northeastern United States
- Midwestern United States
- Library Collection RecordComponents of the organic matter were studied in soil under 3 Mixed Prarie types: grassland dominated by needle-and-thread/blue grama (Stipa comata Trin. and Rupr./Bouteloua gracilis (HBK.) Lag. ex…Publication Date 1990-09-01
- grassland soils
- soil organic matter
- tillage
- monosaccharides
- organic acids and salts
- soil quality
- transformation
- physicochemical properties
- chernozemic soils
- mixed pastures
- Hesperostipa comata
- Alberta
- pastures
- Bouteloua gracilis
- prairies
- grazing
- 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 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 RecordThis material was digitized as part of a cooperative project between the Society for Range Management, the National Agricultural Library, and the University of Arizona Libraries. The Rangelands…Publication Date 1990-08-01
- Colorado
- United States
- Utah
- biological control
- pastures
- chemical control
- economics
- Vairimorpha necatrix
- Anabrus simplex
- Library Collection RecordThis material was digitized as part of a cooperative project between the Society for Range Management, the National Agricultural Library, and the University of Arizona Libraries. The Rangelands…Publication Date 1990-08-01
- Oklahoma
- pastures
- range management
- Library Collection RecordThe valuable role that healthy riparian ecosystems play in regional diversity of plant and wildlife communities is just beginning to be recognized. Resource managers need to know how degraded…Publication Date 1990-07-01
- Poa palustris
- plant community analysis
- Salix
- population density
- Poa pratensis
- riparian buffers
- pastures
- regrowth
- mountain grasslands
- cattle
- grazing
- Colorado
- Library Collection RecordThe effects of grazing on relative (g g-1 d-1) and absolute (g m-2 d-1) aboveground net primary productivity and senescence of coirón blanco (Festuca pallescens (St. Yves) Parodi) were investigated…Publication Date 1990-07-01
- interactions
- senescence
- reproduction
- vegetative growth
- Festuca
- simulation models
- pastures
- regrowth
- semiarid zones
- biomass accumulation
- phenology
- Argentina
- grazing
- Library Collection RecordThis material was digitized as part of a cooperative project between the Society for Range Management, the National Agricultural Library, and the University of Arizona Libraries. The Rangelands…Publication Date 1990-06-01
- chemical control
- pastures
- control methods
- Juniperus virginiana
- Nebraska
- rangelands
- prescribed burning
- range management
- 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 RecordBotanical and chemical compositions of Angora goat (Capra hircus) diets, determined with esophageally cannulated animals, were studied with and independent of a cattle-sheep-goat herd in a short-…Publication Date 1990-03-01
- nutrient intake
- chemical composition
- pastures
- crude protein
- diets
- goats
- in vitro digestibility
- Texas
- botanical composition
- nutritive value
- grazing
- 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
- Library Collection RecordLittle information is available on goat nutrition and diet selection on shrub-dominated ranges. This study examined the botanical and nutritive composition of Angora and Spanish goat diets, and…Publication Date 1990-03-01
- alfalfa
- alfalfa hay
- digestible energy
- Quercus havardii
- fiber content
- pastures
- tannins
- hay
- crude protein
- feed supplements
- diets
- goats
- in vitro digestibility
- Texas
- botanical composition
- nutritive value
- forage
- feed intake
- Library Collection RecordA 4-year study was conducted on Cross Timbers range in north-central Oklahoma. Conventional seasonlong grazing (SLS) of stocker cattle was compared to intensive-early season stocking (IES). Stocking…Publication Date 1990-03-01
- forests
- liveweight gain
- stocking rate
- pastures
- vegetation
- Oklahoma
- prairies
- defoliation
- grazing
- beef cattle
- forage
- Library Collection RecordBasin big sagebrush (Artemisia tridentata Nutt ssp tridentata Beetle) often invades rangelands seeded to introduced grass species. Livestock grazing may enhance the invasion but the effects of…Publication Date 1990-03-01
- short-duration grazing
- size
- Agropyron desertorum
- population dynamics
- mortality
- pastures
- grazing intensity
- Artemisia tridentata
- plant density
- Utah
- grazing
- Library Collection RecordEmergence of broadcast-seeded kleingrass (Panicum coloratum L. 'Selection 75') was compared for 2 seasons in short-duration grazed (SDG) areas and ungrazed exclosures in the Texas Rolling…Publication Date 1990-03-01
- soil strength
- Panicum coloratum
- controlled grazing
- seedling emergence
- stocking rate
- pastures
- cattle
- Texas
- soil compaction
- trampling