Rangeland Ecology & Management
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- Library Collection RecordExpansion of western juniper (Juniperus occidentalis spp. occidentalis Hook.) woodlands in the sagebrush steppe has the potential to change composition, structure, and productivity of understory…Publication Date 2000-01-01
- logging effects
- soil water potential
- ground cover
- understory
- Poa pratensis
- species diversity
- Juniperus occidentalis
- forbs
- Oregon
- nitrogen content
- plant density
- biomass
- grasses
- soil water
- Library Collection RecordThe effect of the growing season and topographic zone on biomass production, protein content, cell content (CC), lignin, cellulose, hemicellulose, digestibility (DMD), and mineral element…Publication Date 1998-09-01
- cellulose
- cells
- nutrient deficiencies
- Spain
- hemicellulose
- mineral content
- legumes
- semiarid grasslands
- lignin
- protein content
- fiber content
- sodium
- slope
- forbs
- phosphorus
- digestibility
- cattle
- phenology
- seasonal variation
- botanical composition
- nutritive value
- grasses
- Library Collection RecordInformation on the yield of grasses as the plants mature is useful to optimize grazing potential and quality hay production. The objectives of this study were to compare the yield and feeding value…Publication Date 1999-01-01
- Elymus lanceolatus
- Elymus trachycaulus
- Bromus inermis
- Elytrigia intermedia subsp. intermedia
- Dactylis glomerata
- Festuca arundinacea
- Festuca rubra
- Alopecurus pratensis
- protein content
- Agropyron cristatum
- fiber content
- Alberta
- phosphorus
- calcium
- crude protein
- biomass
- grasses
- maturity stage
- Library Collection RecordGeneralized linear mixed models were used to obtain best linear unbiased predictions (BLUP's) of herbivore preferences for range plant species from expert knowledge contained in range site…Publication Date 1998-01-01
- deer
- resource utilization
- Edwards Plateau
- Cyperaceae
- mixed grazing
- interspecific competition
- legumes
- browse plants
- best linear unbiased prediction
- linear models
- forbs
- shrubs
- sheep
- goats
- cattle
- Texas
- grasses
- feeding preferences
- Library Collection RecordSpotted knapweed (Centaurea maculosa Lam.), an aggressive Eurasian forb, is replacing many native perennial grasses such as Idaho fescue (Festuca idahoensis Elmer.) on foothills of the Northern Rocky…Publication Date 1997-07-01
- Festuca idahoensis
- roots
- carbohydrates
- shoots
- weed control
- biomass production
- sheep
- Centaurea maculosa
- range management
- Montana
- plant competition
- grazing
- chemical constituents of plants
- Library Collection RecordDiets of bison (Bison bison L.) were examined using microhistological fecal analysis in a 2-yr study on a tallgrass prairie site in northcentral Oklahoma. Graminoids comprised at least 98% of the…Publication Date 1998-07-01
- bison
- Carex
- selective grazing
- forbs
- Oklahoma
- prairies
- seasonal variation
- botanical composition
- grasses
- 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 RecordIn sacco dry matter degradability (DMD) of the most commonly consumed range forages by llamas and sheep in the arid highlands of Bolivia was measured during the wet and dry seasons to determine if…Publication Date 1997-07-01
- in sacco dry matter degradation
- degradation
- Bolivia
- llamas
- highlands
- arid lands
- digestibility
- kinetics
- shrubs
- sheep
- grasses
- forage
- dry matter
- Library Collection RecordThe study determined the species components of the diets of small ruminants grazing mountain ranges of the Montseny Biosphere Reserve (Catalunya, NE Spain). Three mixed flocks of sheep and goats, led…Publication Date 1998-07-01
- montane forests
- Erica arborea
- Calluna vulgaris
- Quercus ilex
- heathlands
- mixed grazing
- Festuca
- Spain
- foraging
- feces composition
- selective grazing
- species differences
- forbs
- shrubs
- diets
- sheep
- goats
- rangelands
- grasses
- Library Collection RecordThe use of water in the upper 1 m of the soil profile by 3 common herbaceous species of the southern Great Plains was examined by labeling soil water with 2H2O and H2(18)O. Uptake of labeled water…Publication Date 1998-03-01
- Hilaria belangeri
- water uptake
- annuals
- leaves
- Bouteloua curtipendula
- stems
- root systems
- transpiration
- soil water content
- grasses
- Library Collection RecordLeafy spurge (Euphorbia esula L), an aggressive Eurasian forb, is invading native upland ranges dominated by bluebunch wheatgrass (Pseudoroegneria spicata [Pursh] A. Love) and Idaho fescue (Festuca…Publication Date 1998-03-01
- Festuca idahoensis
- Pseudoroegneria spicata
- seed banks
- Euphorbia esula
- Idaho
- sheep
- plant density
- grazing
- plant height
- Library Collection RecordSpotted knapweed (Centaurea Maculosa Lam.), a Eurasian perennial forb, is replacing many native perennial grasses, such as Idaho fescue (Festuca idahoensis Elmer.), in foothills of the Northern Rocky…Publication Date 1997-07-01
- native plants
- Festuca idahoensis
- weed control
- seedlings
- Idaho
- plant communities
- sheep
- plant density
- Centaurea maculosa
- range management
- grazing
- 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 RecordResearch on diet selection is limited by inadequate techniques for determining botanical composition of diets. Our objective was to determine if near infrared reflectance spectroscopy (NIRS) of fecal…Publication Date 1998-07-01
- spectral analysis
- alfalfa
- alfalfa hay
- Euphorbia esula
- calibration
- feces
- infrared spectroscopy
- hay
- sheep
- goats
- feeding preferences
- Library Collection RecordRegrowth grass hay produced on subirrigated meadows in the Nebraska Sandhills was evaluated as a supplement for gestating beef cows grazing winter range. Ninety-six crossbred spring calving,…Publication Date 1997-07-01
- pregnancy
- body condition
- liveweight gain
- reproductive performance
- chemical composition
- Nebraska
- beef cows
- hay
- dietary supplements
- feed supplements
- in vitro digestibility
- grasses
- feed intake
- Library Collection RecordThis study evaluated the effects of supplementing a diet of range hay (5.7% crude protein, 68% NDF) with grass hay from subirrigated meadows (16.5% crude protein, 53.5% NDF), or with a 70% soybean…Publication Date 1997-07-01
- chemical composition
- hay
- digestibility
- crude protein
- digesta
- kinetics
- cattle
- protein supplements
- rumen fermentation
- grasses
- feed intake
- Library Collection RecordThe objective of this study was to determine how rangeland hydrology of oak, juniper, bunchgrass and shortgrass vegetation types is altered by fire. The research was conducted at the Sonora…Publication Date 1997-03-01
- bunchgrass
- shortgrasses
- Aristida
- soil aggregates
- Juniperus ashei
- soil organic matter
- water yield
- Quercus virginiana
- woodland grasslands
- runoff
- prescribed burning
- sheep
- goats
- Texas
- sediment yield
- plant litter
- rangelands
- grazing
- infiltration
- grasses
- bulk density
- Library Collection RecordExtensive rangelands and other vegetation types that we know today formed while atmospheric carbon dioxide (CO2) concentration was low (50 to 75% of today's concentration). Fossil fuel burning…Publication Date 1997-11-01
- long term experiments
- C3 plants
- respiration
- plant-water relations
- C4 plants
- biogeochemical cycles
- stomatal conductance
- plant ecology
- carbon dioxide
- atmosphere
- photosynthesis
- species differences
- biomass production
- botanical composition
- rangelands
- literature reviews
- grazing
- grasses
- Library Collection RecordSeedbed requirements for the establishment of grasses and legumes were studied in 3 experiments conducted over 3 years (1981-83) on the sandy (< 5 mg kg-1 Bray P) and loam (> 20 mg kg-1 Bray P…Publication Date 1998-01-01
- forage legumes
- tropical grasslands
- seedbed preparation
- grassland improvement
- stand establishment
- sandy soils
- loam soils
- China
- grasses
- 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 RecordWildfire in the growing season is relatively frequent and interest is increasing in using growing-season fire in management of tallgrass prairie. However, the influence of fire in the growing season…Publication Date 1998-01-01
- seral stages
- wildfire management
- loam soils
- ecological succession
- fires
- fire effects
- old fields
- prescribed burning
- forbs
- Oklahoma
- biomass production
- plant communities
- prairies
- botanical composition
- grasses
- Library Collection RecordThe effect of livestock grazing on organic and N in rangeland soils is not well defined. In this study on sandy rangeland in western Oklahoma, we sampled 8 pastures moderately grazed by cattle and 8…Publication Date 1997-09-01
- soil analysis
- carbon
- soil fertility
- nutrient uptake
- forbs
- Oklahoma
- biomass production
- grazing intensity
- plant communities
- nitrogen content
- plant litter
- botanical composition
- rangelands
- grasses
- 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 RecordKnowing that sheep or goats can be used to control brush we quantified pasture changes during and after brush control. Over an 8-year period we measured the effects of control (no soil amendment),…Publication Date 1997-03-01
- liming
- West Virginia
- forage legumes
- phosphorus fertilizers
- brush control
- soil pH
- grazing experiments
- sheep
- goats
- application rates
- botanical composition
- Library Collection RecordWater budget modeling usually requires quantification of all possible processes of the hydrologic cycle. This includes rainfall interception. The purpose of this study was to estimate the potential…Publication Date 1998-01-01
- interception
- xerophytes
- evaporation
- crown
- Salsola tragus
- shoots
- Atriplex canescens
- Gutierrezia sarothrae
- rain
- weight
- grasses
- New Mexico
- dry matter
- plant height
- Library Collection RecordMany producers believe cattle grazing wheat pasture during the winter are likely to graze actively growing locoweed when turned onto short-grass prairie in the spring. White locoweed (Oxytropis…Publication Date 1997-05-01
- toxins
- warm-season grasses
- cool-season grasses
- Triticum aestivum
- swainsonine
- Oxytropis sericea
- winter
- spring
- selective grazing
- steers
- natural grasslands
- grazing
- grasses
- New Mexico
- feeding preferences
- Library Collection RecordA 2 year study was conducted to evaluate the effectiveness of riparian vegetation to filter sediment from overland water flow. Three vegetation height treatments: clipped to the soil surface, clipped…Publication Date 1998-05-01
- area
- cutting height
- sediments
- water erosion
- Carex
- riparian buffers
- rain
- slope
- runoff
- grasses
- simulation
- Colorado
- plant height
- Library Collection RecordA 2-year rainfall simulation study was conducted to evaluate the effectiveness of riparian vegetation to reduce sediment movement. Three vegetation height treatments [clipped to the soil surface, 10…Publication Date 1998-05-01
- sediment deposition
- particle size
- cutting height
- water erosion
- Carex
- riparian buffers
- rain
- grasses
- simulation
- plant height
- Library Collection RecordEvaluating seedbank ecology is critical for understanding plant community development and successional patterns and for identifying factors regulating population dynamics. The relationships among…Publication Date 1998-01-01
- chilling requirement
- Sporobolus cryptandrus
- soil depth
- seed banks
- Carex
- seedling emergence
- plant ecology
- sandy soils
- range condition
- Nebraska
- forbs
- seed germination
- prairies
- botanical composition
- grasses
- Library Collection RecordDespite extensive coverage and long-term use, the extent to which shadscale [Atriplex confertifolia (Torr. &Frem.) Wats.] community dynamics are driven by grazing rather than by climate and…Publication Date 1998-03-01
- artemisia spinescens
- Hilaria
- Sporobolus cryptandrus
- Achnatherum hymenoides
- Atriplex confertifolia
- rain
- Krascheninnikovia lanata
- sheep
- biomass
- seasonal variation
- Utah
- canopy
- grazing
- Library Collection RecordMost farms in the semi-arid region of Morocco are mixed cereal-livestock producers. Livestock, dominated by sheep, account for more than one third of farm income but production is far below potential…Publication Date 1998-05-01
- wool production
- Medicago polymorpha
- Medicago truncatula
- ley farming
- Morocco
- fallow
- lambs
- ewes
- liveweight gain
- body weight
- rain
- semiarid zones
- sheep
- drought
- grazing
- Library Collection RecordDepth to a root restricting layer affects both soil moisture and nutrient availability, resources strongly correlated to plant cover and production. We evaluated the potential of 2 electromagnetic…Publication Date 1998-07-01
- Artemisia tripartita
- Balsamorhiza
- Pseudoroegneria spicata
- autumn
- soil depth
- electrical conductivity
- controlled grazing
- spring
- sheep
- botanical composition
- 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 RecordIn developing an improved understanding of the dynamics of understory plant composition and productivity in Coastal Plain forest ecosystems, we examined the influence of site preparation and…Publication Date 1998-01-01
- chopping
- Arkansas
- subsoil
- site preparation
- windrowing
- cultivation
- interspecific competition
- Pinus taeda
- phosphorus fertilizers
- 2,4-D
- Paspalum
- legumes
- understory
- ecological succession
- forest plantations
- Louisiana
- prescribed burning
- forbs
- biomass production
- shrubs
- Texas
- Pinus
- canopy
- grasses
- forage
- soil texture
- 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 RecordThe abundance of woody plants on grasslands and savannas often is controlled by the availability of water and its location in soil. Water availability to plants is limited by precipitation, but the…Publication Date 1997-05-01
- prediction
- plant ecology
- water availability
- soil water balance
- carbon dioxide
- atmosphere
- greenhouse effect
- stomata
- C4 grasses
- rain
- transpiration
- shrubs
- rangelands
- literature reviews
- grasses
- plant height
- Library Collection RecordSoil nutrients in topsoils (0-7.5 cm) on grazed hilly and steep land on 2 high country sheep farms with contrasting climate in the upper Waitaki district, South Island, New Zealand, were compared…Publication Date 1996-07-01
- cation exchange capacity
- upland soils
- topsoil
- New Zealand
- sown grasslands
- highlands
- pH
- sustainability
- sheep
- grazing
- 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 RecordChanges in the vegetation and soil surface were assessed along a grazing intensity gradient on rangelands of the Punta Ninfas area in southern Argentina. Thirty-two transects were sampled in areas…Publication Date 1995-11-01
- woody weeds
- indicator species
- soil types
- steppes
- grazing intensity
- shrubs
- sheep
- overgrazing
- biomass
- Argentina
- botanical composition
- rangelands
- canopy
- grasses
- forage
- Library Collection RecordTarbush (Flourensia cernua DC.) contributes substantially to the Chihuahuan Desert shrub biomass, but is browsed sparingly by livestock. This study was designed to assess nutritional benefits and/or…Publication Date 1996-07-01
- pleuraphis mutica
- volatile fatty acids
- dose response
- leaves
- Flourensia
- rumen fluids
- water intake
- body weight
- fiber content
- crude protein
- digesta
- pH
- transit time
- sheep
- rumen fermentation
- grasses
- New Mexico
- dry matter
- feed intake
- Library Collection RecordFlourensia cernua DC. (tarbush) is a deciduous shrub with potential as a high-protein forage source for livestock. Twenty-four Polypay X Rambouillet wethers housed in metabolism crabs were used to…Publication Date 1996-07-01
- pleuraphis mutica
- cholesterol
- blood chemistry
- digestible protein
- nitrogen retention
- urea
- alfalfa
- nitrogen balance
- weed palatability
- leaves
- Flourensia
- body weight
- sheep
- grasses
- New Mexico
- dry matter
- feed intake
- Library Collection RecordWe conducted 2 experiments to quantify the effects of incubation time, filtering method, forage type, and associated interactions on the precision and accuracy of in-vitro digestibility as estimates…Publication Date 1995-09-01
- wheat straw
- sodium sulfite
- filterability
- laboratory techniques
- Panicum coloratum
- alfalfa
- alfalfa hay
- organic matter
- lignin
- estimation
- duration
- fiber content
- hay
- in vitro digestibility
- grasses
- 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 RecordLehmann lovegrass (Eragrostis lehmanniana Nees) seed (germination 96%, dormant 0%) was used in 4 experiments to study the potential of sheep as a dispersal agent. Five, 4-year-old, ruminally…Publication Date 1997-01-01
- mastication
- sheep dung
- seed dispersal
- seeds
- selective grazing
- sheep
- in vitro digestibility
- rumen fermentation
- seed germination
- Eragrostis lehmanniana
- introduced species
- Library Collection RecordThe objective of this study was to evaluate the potential of near infrared reflectance spectroscopy (NIRS) for estimating botanical composition of esophageal extrusa samples. Spectral data were…Publication Date 1996-03-01
- sampling
- Andropogon gerardii
- esophagus
- infrared spectroscopy
- forbs
- diet
- Oklahoma
- digesta
- sheep
- cattle
- botanical composition
- grasses
- 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 RecordA study was conducted to evaluate the influences of seasonlong and short duration grazing management on the botanical composition, chemical composition, and organic matter intake of cattle diets in…Publication Date 1996-05-01
- organic matter
- lignin
- continuous grazing
- fiber content
- grazing experiments
- feces
- forbs
- rotational grazing
- shrubs
- in vitro digestibility
- nitrogen content
- botanical composition
- grasses
- beef cattle
- feed intake
- North Dakota
- 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
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