Rangeland Ecology & Management
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- Library Collection RecordConservation of sagebrush (Artemisia spp.) systems is one of the most difficult and pressing concerns in western North America. Sagebrush obligates, such as greater sage-grouse (Centrocercus…Publication Date 2015-09
- case study
- greater sage-grouse
- livestock grazing
- sagebrush management
- Utah
- Wyoming
- Library Collection RecordConservation of sagebrush (Artemisia spp.) systems is one of the most difficult and pressing concerns in western North America. Sagebrush obligates, such as greater sage-grouse (Centrocercus…Publication Date 2015-09
- case study
- greater sage-grouse
- livestock grazing
- sagebrush management
- Utah
- Wyoming
- Library Collection RecordMapping the distribution and abundance of invasive plants is a high priority, but establishing cost-effective and practical techniques at appropriate scales remains elusive. Mesquite is a highly…Publication Date 2007-07-01
- aerial surveys
- Australia
- invasive plants
- mapping
- monitoring costs
- remote sensing
- visual estimation techniques
- Library Collection RecordWet meadows are some of the most productive communities in the northern Rocky Mountains, USA but are also among the most sensitive to grazing by native ungulates and domestic livestock. These meadows…Publication Date 2003-11-01
- wet environmental conditions
- flooded conditions
- permanent grasslands
- plant growth
- tillers
- Wyoming
- biomass
- flooding
- tufted hairgrass
- herbivory
- nitrogen dynamics
- wet meadows
- Library Collection RecordWyoming Coal Rules and Regulations require shrubs be returned to mined land and that revegetation "...be self renewing." We evaluated seed production and seed quality of Wyoming big…Publication Date 2003-09-01
- mulches
- environmental law
- fences
- windbreaks
- mined soils
- conservation plants
- browse plants
- seed productivity
- yields
- Wyoming
- grazing intensity
- Artemisia tridentata
- land restoration
- browsing
- environmental effects
- seed quality
- big game
- soil moisture
- ecological restoration
- Library Collection RecordSquirreltail (Elymus elymoides, E. multisetus) is a complex of 5 taxa whose systematic interrelationships are uncertain. Our objectives were to determine whether the 3 taxa studied here, Elymus…Publication Date 2003-09-01
- Elymus elymoides subsp. brevifolius
- plant taxonomy
- growth traits
- Elymus multisetus
- Elymus elymoides subsp. elymoides
- population ecology
- provenance
- ecotypes
- plant development
- geographical variation
- leaves
- conservation plants
- height
- seedling emergence
- seed productivity
- shoots
- root systems
- Idaho
- Oregon
- Wyoming
- California
- biomass
- phenology
- Montana
- Nevada
- Colorado
- Elymus elymoides
- genetic variation
- plant nutecology
- Sitanion hystrix
- Library Collection RecordCommunity-level (per unit area) and individual tiller reproductive biomass inside and outside of long-term exclosures on the northern winter range of Yellowstone National Park, USA were compared.…Publication Date 2003-09-01
- Yellowstone National Park
- bison
- seed productivity
- Cervus elaphus
- winter
- Antilocapra americana
- tillering
- Wyoming
- grazing intensity
- biomass
- botanical composition
- rangelands
- defoliation
- literature reviews
- grasses
- grasslands
- ungulates
- grazing
- clipping
- seed production and yield
- Yellowstone National Park
- literature reviews
- Library Collection RecordThe development of successful regional or national invasive weed control programs is often hampered by the way the problem is approached. Typically weed control programs are developed and evaluated…Publication Date 2003-01-01
- Aphthona
- Aphthona nigriscutis
- Aphthona lacertosa
- perennial weeds
- teamwork
- biological control agents
- USDA
- integrated pest management
- economic impact
- biological control
- Euphorbia esula
- ranching
- cost-benefit analysis
- invasion
- herbicides
- weed control
- South Dakota
- chemical control
- Wyoming
- sheep
- range management
- botanical composition
- Montana
- grazing
- North Dakota
- biological control
- Aphthona
- Weeds
- invasive species
- success
- integrated pest management
- Library Collection RecordRangeland plant productivity and species composition are affected by moisture availability and grazing intensity. We examined warm- and cool-season grass productivity and relative distribution on…Publication Date 2002-09-01
- root systems
- soil water content
- Pascopyrum smithii
- Bouteloua gracilis
- precipitation
- Wyoming
- grazing intensity
- biomass
- seasonal variation
- botanical composition
- mixed-grass prairies
- species composition
- water stress
- Library Collection RecordPlains larkspur (Delphinium geyeri Greene) is a major cause of cattle deaths in the northern Great Plains of Wyoming and Colorado. We examined the amount and timing of larkspur ingestion by grazing…Publication Date 2002-07-01
- delphinium geyeri
- weather
- mineral content
- protein content
- fiber content
- voluntary intake
- selective grazing
- Wyoming
- phenology
- grazing
- grasses
- beef cattle
- chemical constituents of plants
- poisonous plants
- maturity stage
- diterpenoid alkaloids
- toxic plants
- diet selection
- cattle grazing
- methyllycaconitine
- alkaloids
- Library Collection RecordWhite-tailed deer (Odocoileus virginianus dacotensis Zimm.) numbers in the central Black Hills have declined since the middle 1970s. Population status has been documented by a decline in hunter…Publication Date 2002-05-01
- population decrease
- habitat destruction
- seral stages
- grazing date
- habitat selection
- habitats
- understory
- Populus tremuloides
- gender differences
- South Dakota
- Odocoileus virginianus
- winter
- prescribed burning
- summer
- Wyoming
- plant communities
- diets
- aspen regeneration
- Black Hills
- habitat quality
- habitat selection
- Odocoileus virginianus dacotensis
- prescribed burns
- South Dakota
- white-tailed deer
- Wyoming
- Library Collection RecordPrevious research suggested that big sagebrush (Artemisia tridentata Nutt.) recruitment occurs in pulses consistent with favorable climatic conditions. In 1997, 75 stem sections were collected from 9…Publication Date 2001-11-01
- Artemisia tridentata spp. wyomingensis
- taxa
- growth rings
- artemisia tridentata subsp. vaseyana
- artemisia tridentata subsp. tridentata
- mined soils
- age determination
- ambient temperature
- reclamation
- precipitation
- Wyoming
- Artemisia tridentata
- establishment
- soil water
- climate
- big sagebrush
- seedling establishment
- Library Collection RecordA 2 year study was conducted to determine the effects of surface cover and roughness on sediment yield from plots subjected to a simulated most damaging storm. This storm, based on long term sediment…Publication Date 2001-07-01
- sediment deposition
- tillage
- surface roughness
- water erosion
- ground cover
- highlands
- storms
- equations
- rain
- Wyoming
- water quality
- sediment yield
- infiltration
- simulation
- soil texture
- sediment yield
- surface cover
- surface roughness
- eolian sediment
- RUSLE
- non-point-source pollution
- water quality
- Library Collection RecordPrevious research suggested that woody plant recruitment may occur in pulses in semi-arid areas. The overall objective of this study was to determine if this pulse phenomena was recorded in the…Publication Date 2001-03-01
- Artemisia tridentata spp. wyomingensis
- artemisia tridentata subsp. vaseyana
- artemisia tridentata subsp. tridentata
- frequency distribution
- age structure
- recruitment
- stand establishment
- Wyoming
- Artemisia tridentata
- semiarid zones
- demography
- big sagebrush
- recruitment intervals
- Library Collection RecordA fire scar chronology was constructed from ponderosa pine (Pinus ponderosa Dougl. ex Laws.) and Rocky Mountain juniper (Juniperus scopulorum Sarg.) trees within the 70 km2 Rochelle Hills Area of the…Publication Date 2000-11-01
- history
- Juniperus scopulorum
- fire scars
- fire intervals
- understory
- frequency
- grasslands
- Pinus ponderosa
- fire ecology
- fires
- fire effects
- Wyoming
- plant litter
- seasonal variation
- canopy
- fire intervals
- Library Collection RecordDecreases in biomass and cover, as well as changes in species composition have occurred on rangelands affected by snowdrifts behind 3.8 meter tall "Wyoming" type snowfences along Interstate…Publication Date 2000-07-01
- Bromus marginatus
- no-tillage
- rotary cultivation
- fences
- Elymus lanceolatus
- snow cover
- Leymus angustus
- Elymus trachycaulus
- foliage area
- revegetation plants
- Elytrigia intermedia subsp. intermedia
- Festuca arundinacea
- Deschampsia cespitosa
- Poa secunda
- soil depth
- Psathyrostachys juncea
- Agropyron cristatum
- species differences
- Pascopyrum smithii
- Wyoming
- biomass
- canopy
- Leymus chinensis
- species performance
- reclamation
- Library Collection RecordDecisions to control big sagebrush (Artemisia tridentata Nutt.) on North American rangelands are traditionally based on morphological characteristics (e.g., cover) rather than more ecologically based…Publication Date 2000-05-01
- subspecies
- taxa
- growth rings
- age determination
- stems
- ecological succession
- equations
- diameter
- Wyoming
- Artemisia tridentata
- altitude
- big sagebrush
- annual growth-rings
- succession
- Library Collection RecordThe influence of cattle grazing on carbon cycling in the mixed grass prairie was investigated by measuring the CO(2) exchange rate in pastures with a 13 year history of heavy or light grazing and an…Publication Date 2000-03-01
- Artemisia frigida
- Sphaeralcea coccinea
- Hesperostipa comata
- biogeochemical cycles
- Carex
- carbon dioxide
- air temperature
- rain
- photosynthesis
- gas exchange
- Pascopyrum smithii
- Wyoming
- grazing intensity
- prairies
- botanical composition
- beef cattle
- soil water
- grazing
- productivity
- photosynthesis
- soil respiration
- species composition
- Library Collection RecordBig sagebrush (Artemisia tridentata Nutt.) declined from ungulate browsing during the first half of the twentieth century on the Northern Yellowstone Winter Range. It was our objective to compare…Publication Date 1999-07-01
- Wyoming
- grazing intensity
- slopes
- Artemisia tridentata
- plant communities
- Odocoileus hemionus
- browsing damage
- shrubs
- Cervus elaphus canadensis
- canopy
- forage
- Library Collection RecordEffective storage of wildland seeds helps alleviate supply shortages and mitigates variable production associated with annual weather patterns. The storage environment is critical for seeds like…Publication Date 1999-05-01
- ultrastructure
- storage quality
- mitochondria
- cold storage
- frozen storage
- radicles
- imbibition
- viability
- Krascheninnikovia lanata
- seedlings
- Wyoming
- temperature
- Colorado
- Library Collection RecordWinterfat (Eurotia lanata (Pursh) Moq.) diaspores harvested from 1 Canadian and 2 USA sites were imbibed at 0, 5, 10, and 20 degrees C. It was hypothesized that imbibition temperature affects seed…Publication Date 1999-05-01
- cold tolerance
- imbibition
- seed weight
- ambient temperature
- Saskatchewan
- Krascheninnikovia lanata
- Wyoming
- botanical composition
- Colorado
- 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 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 RecordDiaspores of winterfat (Eurotia lanata (Pursh) Moq.) collected from 2 locations in the USA and 1 in Canada were imbibed at 10 degree C and grown to 4 different developmental stages (2, 3, 6, and 14…Publication Date 1998-11-01
- thermochemical properties
- exothermic reactions
- frost resistance
- freezing
- cooling
- Saskatchewan
- mortality
- rain
- Krascheninnikovia lanata
- seedlings
- Wyoming
- seed germination
- Colorado
- 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 RecordWyoming big sagebrush (Artemisia tridentata ssp. wyomingensis Beetle &Young) is one of the most widely distributed shrub species in Wyoming and the Rocky Mountain and Northern Plains region. Its…Publication Date 1998-03-01
- density
- mined soils
- mulching
- topsoil
- seedling emergence
- rain
- seedlings
- soil water content
- Wyoming
- Artemisia tridentata
- plant competition
- Library Collection RecordMaintaining native plant diversity, detecting exotic species, and monitoring rare species are becoming important objectives in rangeland conservation. Four rangeland vegetation sampling techniques…Publication Date 1998-03-01
- Minnesota
- exotics
- steppes
- species diversity
- range condition
- South Dakota
- sampling
- Wyoming
- prairies
- botanical composition
- rangelands
- grazing
- Colorado
- 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 RecordFeral horse habitat selection patterns and forage attributes on available habitats were studied on public rangelands of southcentral Wyoming. Environmental assessments preceding roundup of excess…Publication Date 1997-07-01
- wild animals
- patterns
- habitat selection
- horses
- palatability
- Wyoming
- rangelands
- forage
- Library Collection RecordFederal land grazing fees have been set by a formula that uses a base rate developed from a 1966 study comparing total grazing costs on private and public lands. A similar market comparison was…Publication Date 1997-05-01
- valuation
- federal government
- permits
- leasing
- private ownership
- production costs
- Idaho
- Wyoming
- grazing
- New Mexico
- forage
- Library Collection RecordContentions that willows (Salix spp.) on Yellowstone National Park's northern range have declined because of climatic change, fire suppression, reduced chemical defenses, or other natural…Publication Date 1997-03-01
- indigenous peoples
- Castor canadensis
- ecological balance
- national parks
- Salix
- history
- seed productivity
- riparian buffers
- population dynamics
- Cervus elaphus
- Wyoming
- plant communities
- overgrazing
- Library Collection RecordDebearders are machines originally developed to remove grain from bearded (awned) seed heads of small grains. They are now used in many types of seed cleaning, including preparing sagebrush seed for…Publication Date 1997-01-01
- after-ripening
- seed quality
- seed cleaners
- awns
- processing technology
- seed production
- relative humidity
- duration
- seeds
- seedlings
- growth
- Wyoming
- Artemisia tridentata
- seed germination
- temperature
- Library Collection RecordA metabolism study evaluated the influence of increasing quantities (0-30% dry matter basis) of mountain big sagebrush (Artemisia tridentata ssp. vaseyana Rydb. Beetle) on dry matter intake and in…Publication Date 1995-11-01
- urine
- nitrogen balance
- feces
- chemical composition
- voluntary intake
- hay
- digestibility
- Wyoming
- Artemisia tridentata
- sheep
- nitrogen content
- dry matter
- feed intake
- Library Collection RecordEstablishment of blue grama (Bouteloua gracilis [H.B.K.] Lag ex. Steud.) depends on adequate precipitation at critical times and on reduced competition from associated vegetation. These conditions…Publication Date 1995-11-01
- clones
- basal area
- vegetative propagation
- seedlings
- Bouteloua gracilis
- Wyoming
- biomass
- rangelands
- chemical constituents of plants
- Library Collection RecordThe Journal of Range Management archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact lbry-journals@email.arizona.edu for further…Publication Date 1995-11-01
- wild animals
- Salix
- browse plants
- rain
- Wyoming
- browsing damage
- Cervus elaphus canadensis
- Library Collection RecordIn a recent JRM article, Singer et al. (1994) report results of a willow (Salix spp.) study on the northern (ungulate winter) range of Yellowstone National Park (YNP) and immediate vicinity. The…Publication Date 1995-09-01
- stress response
- Yellowstone National Park
- national parks
- Salix
- browse plants
- winter
- tannins
- Wyoming
- grazing intensity
- Cervus elaphus canadensis
- grazing
- Library Collection RecordMuch research concerning sagebrush control methods and forage response after control has been conducted due to the importance of sagebrush-grass dominated rangelands for livestock and wildlife in the…Publication Date 1995-01-01
- cost-benefit analysis
- economic threshold
- control programs
- brush control
- prescribed burning
- Wyoming
- Artemisia tridentata
- canopy
- forage
- Library Collection RecordEffects of unmanaged populations of large mammalian herbivores, especially elk (Cervus elaphus on vegetation is a concern in Yellowstone National Park, since wolves (Canis Lupus) are extirpated,…Publication Date 1994-11-01
- Alces alces
- climate change
- Salix
- Cervus elaphus
- species differences
- growth
- tannins
- secondary metabolites
- digestibility
- Wyoming
- browsing damage
- nitrogen content
- drought
- water stress
- altitude
- 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 RecordEffects of site factors, mowing, 2,4-D, and seasons on antelope bitterbrush (Purshia tridentata Pursh.) twig length, basal and tip diameters, and weight were evaluated in southcentral Wyoming. Linear…Publication Date 1994-05-01
- twig length
- environmental management
- habit
- mowing
- seasons
- 2,4-D
- habitats
- Purshia tridentata
- plant morphology
- branches
- diameter
- weight
- growth
- Wyoming
- browsing
- 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 RecordImproved regression models were developed to predict winter forage production from big sagebrush (Artemisia tridentata Nutt.) through consideration of the subspecies variation among mountain big…Publication Date 1994-05-01
- mathematical models
- prediction
- Wyoming
- Artemisia tridentata
- browsing damage
- canopy
- 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 RecordVegetation responses to prescribed fire over a 12-year period are reported for several deteriorating aspen clones in northwestern Wyoming. This study extends earlier work by Bartos and Mueggler (1981…Publication Date 1994-01-01
- reproduction
- sprouts
- understory
- Populus tremuloides
- Cervus elaphus
- prescribed burning
- biomass production
- Wyoming
- land restoration
- Library Collection RecordThis study was conducted in a sagebrush-bitterbrush vegetation type in southcentral Wyoming to compare the effects of mowing and 2,4-D application on shrub cover and bitterbrush (Purshia tridentata…Publication Date 1993-09-01
- Purshia tridentata
- Wyoming
- Artemisia tridentata
- browsing
- Library Collection RecordGreen herbaceous phytomass was measured in August 1987 in grassland and sagebrush-grassland communities of Yellowstone National Park and related to August 1987 Landsat MSS data. A linear model using…Publication Date 1993-03-01
- satellite surveys
- availability
- Landsat
- national parks
- satellite imagery
- vegetation
- Wyoming
- biomass
- rangelands
- forage
- Library Collection RecordSoil water withdrawal and vegetation characteristics of mountain big sagebrush (Artemisia tridentala ssp. vaseyana Rydb. Beetie) areas sprayed with 2,4-D (2,4-Dichlorophenoxyacetic acid) were…Publication Date 1993-03-01
- 2,4-D
- brush control
- vegetation management
- chemical control
- soil water content
- biomass production
- Wyoming
- Artemisia tridentata
- botanical composition
- rangelands
- soil water regimes
- 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 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 RecordCompetition from other plant species may inhibit establishment and reduce phytomass production of blue grama [Bouteloua gracilis (H.B.K.) Griffiths] on rangeland. Varying levels of competition were…Publication Date 1992-09-01
- interspecific competition
- dry matter accumulation
- seedling emergence
- stand establishment
- mortality
- seedlings
- Pascopyrum smithii
- Bouteloua gracilis
- growth rate
- Wyoming
- plant competition