Rangeland Ecology & Management
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- 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
- Library Collection RecordIn Panicoid grasses, elevation of the crown node above the soil surface caused by excessive subcoleoptile internode elongation is detrimental to seedling establishment. We describe a technique to…Publication Date 1993-09-01
- habit
- subcoleoptile internode
- coleoptiles
- species differences
- growth
- grasses
- Library Collection RecordEphemeral channels may be greater contributors to nonpoint sediment loads than perennial channels because of their abundance and lower vegetative cover. This study examines above- and belowground…Publication Date 1993-01-01
- channels
- cold deserts
- floodplains
- annuals
- deserts
- streams
- highlands
- riparian buffers
- perennials
- pastures
- woody plants
- precipitation
- sustainability
- Wyoming
- plant density
- grazing
- grasses
- Library Collection RecordIncorporation of crop residues into the soil prior to planting has been shown to reduce the growth of subsequent crops. Information is limited on the allelopathic effect of sericea lespedeza […Publication Date 1993-07-01
- crop residues
- seedling growth
- Lespedeza cuneata
- plant interaction
- seed germination
- grasses
- Library Collection RecordRoot exudates are substances released into the surrounding medium by healthy and intact plant roots. Research on root exudates has shown that root exudates can reduce seed germination and plant…Publication Date 1993-07-01
- root exudates
- Lespedeza cuneata
- plant interaction
- plant growth substances
- roots
- length
- biomass
- grasses
- Library Collection RecordThe response of selected plant species to a single application of factorial combinations of nitrogen (N), phosphorus (P), and sulfur (S) on 2 lodgepole pine (Pinus contorta Dougl.) clearcut-logged…Publication Date 1993-05-01
- phosphorus fertilizers
- sulfur fertilizers
- crop quality
- grassland improvement
- British Columbia
- site factors
- protein content
- Calamagrostis rubescens
- Pinus contorta
- fiber content
- nitrogen fertilizers
- crude protein
- nitrogen content
- application rates
- crop yield
- nutritive value
- pasture plants
- grasses
- forage
- Library Collection RecordDuring 1981-83, we studied 19 grasses for potential improvement of dry tropical (1,001 mm annual rainfall) rangelands in Hainan Island, China. The productivity and persistence of the grasses were…Publication Date 1993-07-01
- clay loam soils
- sandy soils
- nitrogen fertilizers
- species differences
- China
- range management
- grasses
- Library Collection RecordIn 1974 we selected 8 pairs of gully headcuts on the Santa Rita Experimental Range. Mesquite (Prosopis velutina Woot.) on the watershed of 1 headcut of each pair was killed with diesel oil. Densities…Publication Date 1993-03-01
- Prosopis velutina
- semiarid grasslands
- watersheds
- soil erosion
- brush control
- vegetation management
- rain
- runoff
- plant density
- losses from soil
- rangelands
- grasses
- Arizona
- Library Collection RecordBecause of the ongoing controversy about shrub forage value for different ungulates and significance of the shrub communities for spring-fall grazing in southcentral Wyoming, the relative importance…Publication Date 1992-11-01
- livestock-wildlife relationships
- common use grazing
- common lands
- wildlife
- Purshia tridentata
- browse plants
- Cervus elaphus
- Antilocapra americana
- mountain grasslands
- Wyoming
- Artemisia tridentata
- plant communities
- Odocoileus hemionus
- shrubs
- diets
- sheep
- cattle
- rangelands
- grasses
- forage
- Library Collection RecordLittle evidence has been found to relate fire intensity to herbaceous vegetation response. Our objective was to determine if components of post-fire herbaceous standing crop in a tallgrass prairie…Publication Date 1992-11-01
- canonical correlation
- fire behavior
- fire intensity
- grasslands
- fire ecology
- fires
- fire effects
- vegetation
- regrowth
- Oklahoma
- plant communities
- prairies
- rangelands
- grasses
- forage
- Library Collection RecordWater limits the establishment, growth, and production of cool-season grasses on semiarid rangelands, and plant improvement programs for these areas must be capable of screening breeding lines for…Publication Date 1993-05-01
- genetic improvement
- breeding programs
- osmotic adjustment
- plant-water relations
- water uptake
- plant breeding
- heritability
- genetic variation
- seedling emergence
- drought tolerance
- water-use efficiency
- Poaceae
- grasses
- Library Collection RecordChanges in total biomass and botanical composition in a native pasture of the Flooding Pampa in the Salado River Basin (Province of Buenos Aires), under 3 grazing systems: spring-summer rest (…Publication Date 1991-09-01
- Paspalum dilatatum
- Sporobolus indicus
- bothriochloa laguroides
- seasonal grazing
- Bothriochloa
- floodplains
- continuous grazing
- yields
- rotational grazing
- natural grasslands
- biomass production
- grazing intensity
- seasonal variation
- Argentina
- botanical composition
- grazing
- grasses
- Library Collection RecordThe accuracy of microhistological techniques for analysis of herbivore diets was evaluated with cattle, sheep, and Angora goats fed grass, forb, and shrub mixtures of known botanical compositions.…Publication Date 1992-03-01
- feces analysis
- assessment
- feces composition
- shrubs
- diets
- sheep
- goats
- cattle
- botanical composition
- grasses
- New Mexico
- forage
- feeding preferences
- Library Collection RecordFertilizer nitrogen (N) management and other cultural practices used in reclamation can have a significant effect on the successful revegetation of mined lands. Repeated fertilization of revegetated…Publication Date 1991-07-01
- annual dressings
- split dressings
- crimped straw mulches
- stubble mulching
- ammonium nitrate
- straw mulches
- mined soils
- reclamation
- Poaceae
- biomass production
- Wyoming
- land restoration
- application rates
- grasses
- forage
- Library Collection RecordLive oak (Quercus virginiana Mill.) competes with herbaceous plants, but provides browse and mast for white-tailed deer (Odocoileus virginianus Zimmerman). We determined the effects of treating live…Publication Date 1991-09-01
- grassland improvement
- nutritional status
- browse
- Quercus virginiana
- foraging
- tebuthiuron
- woodland grasslands
- weed control
- yields
- Odocoileus virginianus
- biomass production
- Texas
- botanical composition
- browsing
- grasses
- forage
- feeding preferences
- Library Collection RecordThis study investigated the effect of grazing by California bighorn sheep (Ovis canadensis californiana) on plant community structure. Over 28 months from 1977 to 1979, bighorn diet consisted of 79…Publication Date 1991-09-01
- Ovis canadensis
- Ovis canadensis californiana
- community ecology
- British Columbia
- grasslands
- plant ecology
- species diversity
- ecological succession
- feces composition
- vigor
- plant communities
- shrubs
- botanical composition
- grazing
- grasses
- forage
- feeding preferences