Rangeland Ecology & Management
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- 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 RecordThe effects of herbicide applications to kill honey mesquite (Prosopis glandulosa Torr.) on community diversity are poorly documented. Our objective was to test the hypothesis that herbicide…Publication Date 1997-03-01
- nontarget organisms
- rodents
- biodiversity
- wild birds
- Prosopis glandulosa
- triclopyr
- species diversity
- rain
- vegetation
- Texas
- canopy
- 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 RecordState and transition (ST) descriptions of rangeland vegetation dynamics provide information on current perceptions of explicit causes of change in dominant vegetation. Structural attributes of ST…Publication Date 1997-07-01
- simulation models
- vegetation
- range management
- rangelands
- Library Collection RecordGrazing system and stocking rate effects on standing crop of species and relative species composition of tallgrass prairies in north-central Oklahoma were evaluated from 1989 to 1993. Twelve…Publication Date 1998-03-01
- continuous grazing
- rain
- stocking rate
- pastures
- forbs
- rotational grazing
- Oklahoma
- prairies
- biomass
- botanical composition
- grasses
- Library Collection 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
- 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 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 RecordMineral concentrations of range grasses are often below that required by grazing livestock. Limited information is available on forage mineral concentrations for the Northern Great Plains and there…Publication Date 1996-05-01
- plant tissues
- requirements
- silty clay soil
- live tissue
- dead tissue
- silty soils
- zinc
- Cyperaceae
- molybdenum
- nutrient deficiencies
- Bromus japonicus
- mineral content
- loam soils
- clay soils
- rain
- sodium
- Bromus tectorum
- potassium
- forbs
- phosphorus
- magnesium
- calcium
- Poaceae
- Pascopyrum smithii
- seasonal variation
- Montana
- grasses
- forage
- maturity stage
- Library Collection RecordDryland grass production is an important agricultural commodity in the Northern Great Plains. Nitrogen (N) fertilizer can increase dry matter production and forage quality, yet there are relatively…Publication Date 1996-07-01
- Great Plains states of USA
- yields
- rain
- nitrogen fertilizers
- use efficiency
- species differences
- dry environmental conditions
- application rates
- grasses
- dry matter
- Library Collection RecordRecreational packhorse grazing is one of many uses of high elevation wildland meadows. We quantified the behavior of horses grazing on an upper timberline meadow in southwestern Montana and the…Publication Date 1996-11-01
- wilderness
- activity sampling
- meadows
- highlands
- horses
- feeding behavior
- forbs
- natural grasslands
- Montana
- grazing
- grasses
- plant height
- Library Collection RecordThe effect of dietary browse (Salix bebbiana Sarg.) on intake and activity of muskoxen (Ovibos moschatus Zimmermann) pastured in south-central Alaska was compared to animals on grass pasture only. In…Publication Date 1996-01-01
- Salix bebbiana
- activity sampling
- biting rates
- Alaska
- Ovibos moschatus
- fiber content
- voluntary intake
- transit time
- in vitro digestibility
- browsing
- grazing
- grasses
- feed intake
- Library Collection RecordWe conducted a study in southern New Mexico to determine seasonal variation in botanical diet composition of cattle and to compare cow and steer diets. The climate and vegetation is typical of…Publication Date 1996-05-01
- semiarid grasslands
- gender differences
- feces composition
- winter
- spring
- selective grazing
- forbs
- beef cows
- steers
- shrubs
- diets
- seasonal variation
- botanical composition
- grasses
- New Mexico
- Library Collection RecordThere is a dearth of knowledge on the selection and utilization of Columbia milkvetch (Astragalus miser Dougl. ex Hook. var. serotinus) by grazing livestock on rangelands in British Columbia. Four…Publication Date 1996-05-01
- Astragalus miser
- miserotoxin
- poisoning
- British Columbia
- highlands
- woodland grasslands
- grasslands
- calves
- Pinus contorta
- palatability
- fiber content
- rain
- selective grazing
- forbs
- beef cows
- crude protein
- rangelands
- grasses
- Library Collection RecordBetween 1989-1991, I studied the effects of livestock grazing on vegetation and small mammals in semiarid shrub-grassland habitats of south-central Utah. Responses were measured at 2 spatial habitat…Publication Date 1996-05-01
- microhabitats
- arid grasslands
- habitats
- small mammals
- species diversity
- plant communities
- shrubs
- Utah
- canopy
- grazing
- grasses
- Library Collection RecordSoil organic C, total N, extractable P, and salinity were evaluated after 12-16 years of protection from grazing in 2 native grassland sites which differed in frequency of soil waterlogging in the…Publication Date 1996-03-01
- flood meadows
- submergence
- inorganic phosphorus
- soil organic matter
- electrical conductivity
- site factors
- ratios
- grasslands
- soil salinity
- soil fertility
- forbs
- grazing intensity
- plant communities
- soil chemistry
- Argentina
- botanical composition
- grasses
- 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 RecordPaddocks of tallgrass prairie were grazed at intervals similar to 8-paddock short duration grazing. Two replicates of a 2 X 3 factorial treatment design were evaluated to determine the influence of…Publication Date 1994-11-01
- dietary protein
- grazing experiments
- stocking rate
- rotational grazing
- Oklahoma
- crude protein
- cattle
- in vitro digestibility
- prairies
- grasses
- forage
- Library Collection RecordBotanical composition of llamas and sheep diets were quantified monthly during 1 year in the arid highlands of Bolivia to identify competition between these species for forage resources. Results…Publication Date 1994-05-01
- Bolivia
- performance
- Festuca
- llamas
- high altitude
- festuca orthopylla
- arid zones
- voluntary intake
- species differences
- diet
- digestibility
- shrubs
- sheep
- seasonal variation
- botanical composition
- grasses
- forage
- feeding preferences
- Library Collection RecordCheatgrass (Bromus tectorum L.) has become the dominant species over large areas of rangeland in the Great Basin region of the western United States. Rapid germination at low temperature may…Publication Date 1994-05-01
- grass seed
- air drying
- matric priming
- storage
- cold tolerance
- seed treatments
- seed germination
- grasses
- Library Collection RecordReplicated two-stage in vitro studies were conducted to determine the effects of single amino acid or branched-chain volatile fatty acid buffer additions on in vitro dry matter disappearance, neutral…Publication Date 1995-01-01
- dormancy
- branched chain fatty acids
- fermentation
- starch
- buffers
- arginine
- histidine
- isoleucine
- leucine
- methionine
- warm season shortgrasses
- feed additives
- urea
- Bromus japonicus
- artificial rumen
- fiber content
- South Dakota
- chemical composition
- species differences
- crude protein
- Pascopyrum smithii
- in vitro digestibility
- grasses
- Library Collection RecordGrazing system and stocking rate effects on forage standing crop of tallgrass prairies in north-central Oklahoma were evaluated from 1989 to 1993. Twelve experimental units, consisting of pastures…Publication Date 1995-01-01
- air temperature
- rain
- stocking rate
- rotational grazing
- Oklahoma
- grazing intensity
- prairies
- biomass
- grasses
- forage
- Library Collection RecordA 4-year study was conducted on Kansas Flint Hills bluestem range to monitor animal gain, grass, and forb standing biomass following grazing, plant population dynamics, and in 2 years, subsequent…Publication Date 1995-05-01
- feed conversion
- dressing percentage
- carcass weight
- sorghum
- Sorghastrum nutans
- warm-season grasses
- Schizachyrium scoparium
- Poa pratensis
- Kansas
- liveweight gain
- grazing experiments
- pastures
- Andropogon gerardii
- steers
- feed supplements
- biomass
- botanical composition
- grasses
- beef cattle
- Library Collection RecordA 2 year study in south central North Dakota determined the responses of (1) litter and root decomposition and nitrogen (N) release, and (2) soil N mineralization to grazing intensity. The treatments…Publication Date 1994-11-01
- nitrogen retention
- degradation
- rangeland soils
- biogeochemical cycles
- grazing experiments
- grazing intensity
- plant litter
- rangelands
- grasses
- North Dakota
- Library Collection RecordQuantity and quality of forage produced are primary determinants of level of livestock production derived from grazing lands. Moreover, species composition of herbage is often considered a primary…Publication Date 1995-05-01
- fiber content
- crude protein
- biomass
- botanical composition
- Montana
- grasses
- forage
- Library Collection RecordForage improvement programs often select for increased crude protein and dry matter digestibility. Additionally, breeding programs may be interested in selecting for enhanced transpiration efficiency…Publication Date 1995-03-01
- isotopes
- discrimination
- Alopecurus arundinaceus
- Alopecurus
- carbon
- Medicago sativa
- errors
- calibration
- Agropyron desertorum
- prediction
- perennials
- water-use efficiency
- South Dakota
- infrared spectroscopy
- Utah
- grasses
- New Mexico
- Library Collection RecordApplication of nitrogen (N) fertilizer and atrazine [6-chloro-N-ethyl-N'-(l-methylethyl)-1,3,5-triazine-2,4-diamine] have each increased grazeable forage on shortgrass prairie, but their effects…Publication Date 1995-03-01
- prices
- marginal returns
- atrazine
- liveweight gain
- yields
- rain
- nitrogen fertilizers
- stocking rate
- steers
- Bouteloua gracilis
- prairies
- botanical composition
- grazing
- grasses
- Colorado
- beef cattle
- forage
- Library Collection RecordAbandoned bentonite mine spoils are extremely difficult to revegetate because of their high clay content, salinity, sodicity, low permeability, and the semiarid climate of the area where bentonite…Publication Date 1994-05-01
- wood residues
- spoil heap soils
- sodic soils
- mine spoil
- bentonite
- soil amendments
- gypsum
- grassland improvement
- ground cover
- reclamation
- perennials
- Wyoming
- grasses
- Library Collection RecordIn rangeland revegetation, selection of forages palatable to the primary grazer is crucial Five tame mule deer were used in the spring and fall to determine forage preferences for 16 grasses commonly…Publication Date 1994-07-01
- biting rates
- species differences
- diet
- Odocoileus hemionus
- Utah
- grasses
- feeding preferences
- Library Collection RecordA methodology based on remotely sensed data (LANDSAT MSS) was used for rapid assessment of rangelands in the grass and shrub steppes of NW Patagonia (Argentina). We calibrated Normalized Difference…Publication Date 1994-11-01
- Nassauvia
- nassauvia glomerulosa
- normalized difference vegetation index
- festuca pallescens
- desertification
- Festuca
- water balance
- ground vegetation
- remote sensing
- satellite imagery
- indexes
- shrubs
- Argentina
- canopy
- grasses
- Library Collection RecordBasal cover, density, biomass, and species richness of the understory were measured in concentric zones from the stem bases of large redberry juniper (Juniperus pinchotii Sudw.) trees to 6 m beyond…Publication Date 1995-03-01
- textural soil types
- clay loam soils
- Juniperus pinchotii
- soil depth
- plant interaction
- understory
- species diversity
- ecological succession
- forbs
- shrubs
- Texas
- biomass
- canopy
- grasses
- Library Collection RecordPlant available nitrogen limits production of native warm-season grasses on marginal farmland in the Southern Plains. In this western Oklahoma study, N was applied at 0, 35, 70, or 105 kg N ha-1 yr-1…Publication Date 1995-01-01
- Weeds
- yields
- nitrogen fertilizers
- sandy loam soils
- Oklahoma
- application rates
- drought
- botanical composition
- grasses
- Library Collection RecordThe slow and uncertain rate of recovery of plant communities after severe disturbance is a major problem on rangelands. Earlier studies sketched the outline of secondary succession on mixed-grass…Publication Date 1994-05-01
- species diversity
- ecological succession
- yields
- rain
- Bouteloua gracilis
- Wyoming
- botanical composition
- rangelands
- grazing
- grasses
- Library Collection RecordInformation on vegetative productivity and nutritive responses to burning in mesic, high elevation big sagebrush (Artemisia tridentata Nutt.) communities is limited. We investigated the effects of 2…Publication Date 1994-07-01
- land productivity
- wildlife
- ungulates
- prescribed burning
- crude protein
- Wyoming
- Artemisia tridentata
- grasses
- forage
- Library Collection RecordUnderstanding hydrologic processes is essential to determine if water yield augmentation is possible through vegetation manipulation. Nine large non-weighing lysimeters, each 35 m2, were installed on…Publication Date 1995-01-01
- water yield
- water balance
- evapotranspiration
- Prosopis glandulosa var. glandulosa
- rain
- runoff
- Texas
- drought
- rangelands
- grasses
- soil water
- Library Collection RecordUnderstanding the effect of defoliation frequency and N fertilization on plant growth, forage yield, and quality of RS-2, a quackgrass [Elytrigia repens (L.) Nevski.] x bluebunch wheat grass […Publication Date 1995-07-01
- ammonium nitrate
- Elytrigia repens
- Pseudoroegneria spicata
- hybrids
- irrigation
- cutting frequency
- digestibility
- crude protein
- growth rate
- Montana
- grasses
- Library Collection RecordIn a 4-year field study, 25 perennial triticeae grasses, representing a wide range of genomes and genome combinations, were evaluated as potential hosts for the bluegrass billbug (Sphenophorus…Publication Date 1993-05-01
- Sphenophorus parvulus
- host preferences
- screening
- Pascopyrum
- Pseudoroegneria
- crop damage
- pest resistance
- Elymus
- Leymus
- Psathyrostachys
- Elytrigia
- genome
- Agropyron
- genetic variation
- perennials
- mortality
- species differences
- Poaceae
- rangelands
- pasture plants
- grasses
- feeding preferences