Rangeland Ecology & Management
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- Library Collection RecordStrategic supplement placement has been shown to be an effective tool to lure cattle to underutilized rangeland. The goal of this study was to determine where cattle grazed when supplement was placed…Publication Date 2001-07-01
- molasses
- global positioning systems
- sloping land
- spatial variation
- water availability
- pastures
- feed supplements
- spatial distribution
- cattle
- Montana
- rangelands
- grazing
- grasses
- distribution
- grazing
- behavior
- utilization
- Library Collection RecordLeafy spurge (Euphorbia esula L.) reduces northern Great Plains rangeland carrying capacity. Treatment strategies were evaluated that suppressed leafy spurge and facilitated establishment of mixtures…Publication Date 2001-07-01
- dry matter accumulation
- legumes
- Infestation
- glyphosate
- carrying capacity
- Euphorbia esula
- species diversity
- weed control
- Nebraska
- land restoration
- plant density
- establishment
- prairies
- botanical composition
- rangelands
- grasses
- prescribed fire
- grassland restoration
- imazapic
- glyphosate
- warm-season grasses
- cool-season grasses
- legumes
- invasive plants
- Library Collection RecordWe present a method for computerizing the transition rules of a state-and-transition model and then linking this model to a geographic information system. The resulting simulation characterizes…Publication Date 1999-01-01
- change
- expert systems
- ground cover
- woodland grasslands
- Quercus douglasii
- Pinus sabiniana
- Mediterranean climate
- grazing intensity
- shrubs
- California
- introduced species
- rangelands
- canopy
- grasses
- Library Collection RecordCattle (Bos taurus) and vizcacha (Lagostomus maximus) diets were examined monthly in the semiarid caldénal in central Argentina. Cow-calf operations are the most important economic activities within…Publication Date 1999-07-01
- free range husbandry
- diversity
- Lagostomus maximus
- ambient temperature
- feces composition
- rain
- species differences
- grazing intensity
- diets
- cattle
- seasonal variation
- Argentina
- botanical composition
- grasses
- forage
- feeding preferences
- Library Collection RecordCharacterization of relationships between grazing and vegetation responses is difficult. Rapid and accurate measurement of pasture canopy characteristics would help clarify these relationships if…Publication Date 1999-07-01
- leaf angle
- rain
- leaf area index
- stocking rate
- Nebraska
- grazing intensity
- cattle
- rangelands
- canopy
- grazing
- grasses
- Library Collection RecordWe investigated the effects of winter controlled burning on the breeding habitat of the Pyrenean gray partridge (Perdix perdix hispaniensis Reich.). Floristic composition and vegetation structure…Publication Date 1998-11-01
- Perdix perdix
- France
- cytisus purgans
- breeding places
- wet conditions
- habitat destruction
- mountains
- mountain areas
- highlands
- fires
- fire effects
- prescribed burning
- forbs
- shrubs
- dry environmental conditions
- botanical composition
- canopy
- grasses
- soil water regimes
- plant height
- Library Collection RecordThe diversity of the herbaceous layer in the Nylsvley Nature Reserve (Mixed Bushveld) was investigated to enhance the understanding of savanna ecosystems and to serve as a baseline for future…Publication Date 1999-09-01
- South Africa
- savannas
- species diversity
- range condition
- veld
- stocking rate
- plant communities
- overgrazing
- plant density
- botanical composition
- grasses
- dry matter
- Library Collection RecordThis research addresses the hypothesis that grazing intensity during and following drought can dramatically alter community level, post-drought recovery patterns. Research was conducted during the…Publication Date 1999-09-01
- warm-season grasses
- cool-season grasses
- timing
- annuals
- perennials
- precipitation
- biomass production
- grazing intensity
- prairies
- drought
- Montana
- rangelands
- grasses
- forage
- soil water
- 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 RecordCombined with other information, fecal output appears to have potential use in models to predict forage intake. Better understanding of fecal output dynamics relative to forage availability could…Publication Date 1999-05-01
- digestibility markers
- ytterbium
- organic matter
- leaves
- stems
- prediction
- equations
- feces composition
- forbs
- steers
- digestibility
- crude protein
- Texas
- grasses
- dry matter
- Library Collection RecordCombustion products of burning vegetation can increase seed germination of many species of fire-prone plant communities. We tested the influence of heating sagebrush (Artemisia tridentata Nutt.)…Publication Date 1998-09-01
- soil heating
- greenhouses
- smoking
- leaves
- mineral content
- roots
- seedling emergence
- shoots
- fires
- fire effects
- seed germination
- biomass
- grasses
- Library Collection RecordAn understanding of overstory-understory relationships in southwestern oak woodlands is important for predicting response of these systems to disturbance or manipulation. The objective of this study…Publication Date 1998-11-01
- Quercus emoryi
- Magnoliopsida
- C4 grasses
- C3 grasses
- understory
- woodland grasslands
- rain
- Poaceae
- biomass
- canopy
- grasses
- Arizona
- Library Collection RecordEmaciation is one of the clinical signs of locoweed poisoning but few studies have documented impacts of locoweed poisoning on weight gains. Stocker steers (British X Continental cross, 200-210 kg)…Publication Date 2000-01-01
- conditioning
- aversive conditioning
- swainsonine
- costs and returns
- poisoning
- weight losses
- feeding habits
- Oxytropis sericea
- poisonous weeds
- liveweight gain
- forbs
- steers
- prairies
- grasses
- New Mexico
- Library Collection RecordLeafy spurge control with glyphosate [N-(phosphonomethyl)glycine] plus 2,4-D [2,4-dichlorophenoxy)acetic acid] applied annually for 3 years alone or rotated with auxin herbicides was evaluated at 3…Publication Date 2000-01-01
- developmental stages
- timing
- 2,4-D
- injuries
- translocation (plant physiology)
- herbicide mixtures
- dicamba
- foliar uptake
- leaves
- costs and returns
- glyphosate
- Euphorbia esula
- stems
- weed control
- spring
- picloram
- application rates
- grasses
- North Dakota
- Library Collection RecordNutritive quality of vegetation is important when evaluating the habitat to sustain wildlife. Crude protein, fiber content and in vitro digestibility were evaluated for 17 shrubs, 7 trees, 2 ferns, 3…Publication Date 1999-03-01
- trees
- silica
- Capreolus capreolus
- ferns and fern allies
- Spain
- understory
- lignin
- protein content
- fiber content
- forbs
- crude protein
- shrubs
- in vitro digestibility
- seasonal variation
- grasses
- 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 RecordField studies were conducted in 2 types of grasslands in the Pryor Mountain Wild Horse Range of northern Wyoming and southern Montana to examine plant biomass production and nitrogen responses to the…Publication Date 1999-05-01
- mesic grasslands
- irrigated conditions
- controlled release
- NPK fertilizers
- arid grasslands
- competitive ability
- grasslands
- irrigation
- cutting frequency
- biomass production
- Wyoming
- nitrogen content
- Montana
- grasses
- Library Collection RecordThe flea beetle, Aphthona nigriscutis Foudras, is a potentially useful agent for biological control of leafy spurge (Euphorbia esula L.) in grasslands devoted to wildlife conservation. However,…Publication Date 1999-09-01
- colonization
- Aphthona
- Aphthona nigriscutis
- population change
- biological control agents
- ground cover
- Euphorbia esula
- weed control
- fires
- fire effects
- prescribed burning
- forbs
- plant density
- plant litter
- invasive species
- grasses
- plant height
- North Dakota
- Library Collection RecordBecause of its high palatability and sustained levels of forage quality, antelope bitterbrush (Purshia tridentata Pursh DC) is one of the most desired shrubs on western U.S. rangelands. Bitterbrush…Publication Date 1999-03-01
- Purshia tridentata
- fire ecology
- mortality
- rain
- pastures
- selective grazing
- grazing intensity
- in vitro digestibility
- range management
- phenology
- seasonal variation
- botanical composition
- grazing
- grasses
- beef cattle
- plant height
- maturity stage
- Library Collection RecordHerbicidal control of spotted knapweed (Centaurea maculosa Lam.) on rangeland in the western United States has been most effective using residual herbicides, such as picloram (4-amino-3,5,6-…Publication Date 1999-09-01
- 2,4-D
- application timing
- weed control
- nitrogen fertilizers
- forbs
- plant density
- Centaurea maculosa
- application rates
- biomass
- range management
- introduced species
- Montana
- invasive species
- grasses
- maturity stage
- Library Collection RecordA 10-year riparian grazing study was conducted on a cold, mountain meadow riparian system in central Idaho in response to cattle grazing-salmonid fisheries conflicts. Six pastures were established…Publication Date 1999-05-01
- seral stages
- stream erosion
- Salix
- streams
- riparian buffers
- Idaho
- forbs
- grazing intensity
- shrubs
- cattle
- plant litter
- botanical composition
- canopy
- grasses
- 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 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 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 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 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 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 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 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 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