Rangeland Ecology & Management
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- Library Collection RecordMost remaining grasslands are used for livestock grazing; stocking rates could be managed to help stop declining songbird populations. We examined the effects of stocking rates on grassland songbirds…Publication Date 2015-11
- Baird's sparrow
- cattle grazing
- chestnut-collared longspur
- Ecological threshold
- grassland management
- Sprague's pipit
- stocking rates
- Library Collection RecordThis material was digitized as part of a cooperative project between the Society for Range Management and the University of Arizona Libraries. The Journal of Range Management archives are made…Publication Date 1964-07-01
- Drylot
- All Concentrate
- Flexible Ranching
- Livestock Maintenance
- Ruminant Nutrition
- Feeding Experiments
- Texas Tech
- Research Tool
- Exercise
- roughage
- Rations
- beef cattle
- Forage Supply
- feeding
- sheep
- Library Collection RecordMicrodigestion estimates were correlated with macrodigestion estimates obtained by lignin ratio technique under grazing or total collection procedures under dry-lot feeding. Over all techniques the…Publication Date 1964-11-01
- correlation
- esophageal fistula
- Nylon Bag
- cellulose sources
- Microdigestion
- Lignin Ratio
- Macrodigestion
- Grazed Annual Forage
- Clipped Herbage
- Standard Samples
- Dry Lot Feeding
- Herbage Availability
- Mixed Forage
- Digestion Estimates
- inocula
- sheep
- cattle
- alfalfa
- Library Collection RecordMuch of the world’s rangeland is dominated by woody species. Competing land uses and continued encroachment of woody species into non-woody-dominated rangelands have reduced grasslands in many parts…Publication Date 2012-11-01
- animal behavior
- cattle
- genetics
- goats
- plant secondary metabolites
- sheep
- Library Collection RecordThe importance of sexual reproduction in tussock grasses that regenerate through vegetative growth is unclear. Festuca gracillima Hook. f. was studied as a model because it is a perennial tussock-…Publication Date 2013-03-01
- demography
- Festuca gracillima
- rangelands
- sexual reproduction
- sheep
- soil seed bank
- Library Collection RecordLow larkspur (Delphinium nuttallianum Pritz.) poisoning causes serious economic loss to livestock producers that graze cattle on foothill and mountain ranges in western North America. In general, all…Publication Date 2010-03-01
- alkaloids
- diet selection
- larkspur
- poisonous plants
- sheep
- Library Collection RecordIncreases in Kentucky bluegrass and smooth bromegrass on northern Great Plains rangelands have the potential to negatively impact ecosystem function, lower plant diversity, and alter seasonal forage…Publication Date 2010-07-01
- Bromus inermis
- ecological restoration
- grassland management
- grassland restoration
- invasive grasses
- Poa pratensis
- restoration burns
- Library Collection RecordNovel concepts and tools to promote progress in grazing science and management need to incorporate heterogeneity and nonlinear scaling of spatially and temporally distributed ecological interactions…Publication Date 2009-09-01
- cattle
- grazing systems
- heterogeneity
- scaling
- sheep
- Library Collection RecordLeafy spurge is an invasive Eurasian weed on pastures and rangeland in North America where it reduces grass forage production. Our objective was to determine the effects of multispecies grazing…Publication Date 2006-09-01
- Aphthona flea beetles
- cattle
- sheep
- Euphorbia esula
- multispecies grazing
- successional weed management
- Library Collection RecordExplanations for why sympatric ruminant species select diets composed of different plant species or plant parts have been controversial. Our explanation is based on learning from foraging…Publication Date 2007-03-01
- diet selection
- herbivory
- cattle
- sheep
- goats
- Library Collection RecordA dense mountain big sagebrush (Artemisia tridentata Nutt. ssp. vaseyana [Rydb] Beetle) canopy suppresses understory vegetation. Rambouillet ewes with high and low dietary preferences for mountain…Publication Date 2005-07-01
- bitterbrush
- diet selection
- grazing
- sheep
- Library Collection RecordThe cover of Festuca gracillima (coirón fueguino), a native tussock grass that dominates grass steppes of Southern Patagonia and Tierra del Fuego, has diminished under continuous sheep grazing. This…Publication Date 2005-09-01
- Festuca gracillima
- grassland ecology
- rangelands
- steppe
- arid ecosystems
- matrix
- sheep
- Library Collection RecordConsumption of mesquite (Prosopis glandulosa Torr. var glandulosa) fruit by ruminants is an important component of seed dispersal. Two experiments were conducted to estimate the role of livestock and…Publication Date 2003-05-01
- wildlife
- seed dispersal
- Prosopis glandulosa var. glandulosa
- viability
- weathering
- seed predation
- seed maturation
- seeds
- feces
- digestibility
- sheep
- goats
- cattle
- Texas
- range management
- Prosopis
- germination
- digestion
- fecal dispersal
- phenology
- encroachment
- Library Collection Record'Romerillo' (Baccharis coridifolia DC), 'duraznillo negro' (Cestrum parqui L'Hérit.), and 'sunchillo' (Wedelia glauca (Ort.) Hoff.) are highly toxic species…Publication Date 2003-07-01
- Cestrum
- Baccharis
- Wedelia
- gastrointestinal system
- etiology
- microhistological identification
- Baccharis coridifolia
- Cestrum parqui
- Wedelia glauca
- rumen
- plant tissues
- particle size
- laboratory techniques
- ingestion
- poisoning
- accuracy
- feces
- digestibility
- digesta
- sheep
- Argentina
- poisonous plants
- Microhistological technique
- accuracy
- precision
- Baccharis coridifolia
- Cestrum parqui
- Wedelia glauca
- Library Collection RecordNon-selective grazing (NSG) is a relatively novel way of farming livestock in the Nama Karoo of South Africa. Our key question was how heavy grazing under this high-intensity, low-frequency grazing…Publication Date 2003-09-01
- soil microorganisms
- cell respiration
- infiltration (hydrology)
- aggregate stability
- mixed grazing
- soil organic matter
- South Africa
- stocking rate
- grazing intensity
- sheep
- goats
- cattle
- range management
- grazing systems
- hoof action
- infiltration
- intensive herbivory
- microbial respiration
- semiarid
- Library Collection RecordPods and seeds from carob Ceratonia siliqua L. trees growing in Ajloun Mountainous forests and rangelands in Jordan were analyzed for their proximate analysis, Ca and P contents, and also the effects…Publication Date 2001-11-01
- interactions
- pods
- Ceratonia siliqua
- Jordan
- ash
- mineral content
- seed dispersal
- carbohydrates
- fiber content
- seeds
- phosphorus
- calcium
- crude protein
- feed supplements
- sheep
- goats
- seed germination
- germination
- fiber
- forest
- goat
- Jordan
- protein
- sheep
- Library Collection RecordThis study identifies the characteristics and attitudes of public land ranchers. Data from a random survey of 2,000 U.S. Forest Service and Bureau of Land Management grazing permittees (53.5%…Publication Date 2002-01-01
- socioeconomic status
- cultural values
- intensification
- ranges
- farm income
- grazing tenancy
- livestock numbers
- management
- farm size
- public domain
- ranching
- farmers' attitudes
- Western United States
- demography
- grazing intensity
- sheep
- beef cattle
- grazing fees
- grazing reduction
- grazing season
- public land property
- Library Collection RecordGrazers ingest seeds of invasive forbs and may contribute to their spread by depositing viable seeds in uninfested areas. Some mature seed pass through the gastrointestinal (GI) tract of ruminants,…Publication Date 2002-01-01
- sheep dung
- seed development
- seed dispersal
- viability
- Euphorbia esula
- invasion
- weed control
- seeds
- transit time
- sheep
- rumen fermentation
- seed germination
- Montana
- grazing
- maturity stage
- weed
- Euphorbia esula
- rumen
- sheep
- Library Collection RecordIn recent years livestock death losses from poisonous plants in the western United States have averaged about 2-3% annually. A review of 36 grazing studies in North America shows poisonous plant…Publication Date 2002-05-01
- Oxytropis
- deserts
- avoidance conditioning
- Oxytropis sericea
- controlled grazing
- poisonous weeds
- woodland grasslands
- Western United States
- grasslands
- continuous grazing
- stocking rate
- range management
- livestock
- Delphinium
- cattle
- sheep
- goats
- grazing
- poisonous plants
- economics
- Library Collection RecordSnakeweeds (broom, Gutierrezia sarothrae (Pursh) Britt Rusby); and threadleaf, G. microcephala (DC.) Gray) fall into that class of poisonous weeds that seldom cause direct livestock losses because…Publication Date 2002-05-01
- adverse effects
- Gutierrezia
- rats
- rabbits
- gutierrezia microcephala
- carrying capacity
- poisonous weeds
- range condition
- palatability
- herbicides
- weed control
- Gutierrezia sarothrae
- prescribed burning
- plant communities
- sheep
- cattle
- range management
- plant competition
- New Mexico
- poisonous plants
- range weed
- livestock grazing
- broom snakeweed (Gutierrezia sarothrae (Pursh) Britt & Rusby)
- threadleaf snakeweed (Gutierrezia microcephala DC.) Gray)
- Library Collection RecordHalogeton [Halogeton glomeratus (Bieb.) C. A. Mey], is a fleshy, annual, herbaceous species that was accidentally introduced into the western U.S. during the 20th century. Because it is highly…Publication Date 2002-05-01
- interspecific competition
- salt tolerance
- deserts
- Halogeton glomeratus
- controlled grazing
- poisonous weeds
- Agropyron desertorum
- invasion
- Krascheninnikovia lanata
- sheep
- range management
- introduced species
- plant competition
- Salt desert
- poisonous plants
- plant ecology
- Library Collection RecordThe objectives of this study were to investigate the use of near infrared spectroscopy (NIRS) of fecal samples for predicting the percentage of mountain big sagebrush (Artemisia tridentata Nutt. ssp…Publication Date 2002-07-01
- hear infrared reflectance spectroscopy
- laboratory techniques
- rapid methods
- reflectance
- accuracy
- calibration
- validity
- feces composition
- selective grazing
- infrared spectroscopy
- Artemisia tridentata
- diets
- sheep
- Artemisia
- diet selection
- sagebrush
- sheep
- 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 RecordIt was proposed that the digestibility of organic matter (OMD) can be estimated from the relationship between total fecal nitrogen (TFN, as a % of organic matter intake (OMI) and fecal nitrogen…Publication Date 2003-01-01
- organic matter digestibility
- feeding level
- Panicum coloratum
- equations
- feces composition
- chemical composition
- digestibility
- sheep
- in vitro digestibility
- nitrogen content
- seasonal variation
- Argentina
- green fodders
- maturity stage
- fecal index
- nutritive value
- N fecal
- rams
- Library Collection RecordSaltbush (Atriplex halimus L.), a native shrub which is adapted to arid rangelands, was transplanted to the semiarid grassland at Jordan University of Science and Technology Campus in 1986. Our…Publication Date 2000-03-01
- Atriplex halimus
- Jordan
- leaves
- mineral content
- semiarid grasslands
- ratios
- stems
- protein content
- fiber content
- dry seasons
- chemical composition
- phosphorus
- calcium
- sheep
- seasonal variation
- Library Collection RecordWe surveyed the effectiveness of livestock guard dogs for reduc-ing predation on domestic sheep in Colorado during 1993. The number of producers using dogs increased from about 25 in 1986 to >159…Publication Date 2000-05-01
- Puma concolor
- livestock numbers
- coyotes
- lambs
- ewes
- predation
- guard dogs
- sheep dogs
- mortality
- Ursus americanus
- pastures
- rangelands
- Colorado
- Akbash
- black bears
- Canis latrans
- coyote
- dog
- Felis concolor
- Great Pyrenees
- Komondor
- mountain lion
- sheep
- Ursus americanus
- Library Collection RecordWe evaluated the influence of supplemental barley and activated charcoal on the intake of sagebrush by lambs in individual pens. In 3 experiments, lambs were fed sagebrush (harvested and chopped to 2…Publication Date 2000-07-01
- alfalfa pellets
- artemisia tridentata subsp. vaseyana
- activated carbon
- chop length
- artemisia tridentata subsp. tridentata
- provenance
- lambs
- selective grazing
- energy intake
- terpenoids
- barley
- feed supplements
- Artemisia tridentata
- feed intake
- feeding preferences
- zero grazing
- sheep
- macronutrients
- terpenoids
- rangelands
- Library Collection RecordThe Ecological Index Method impacted directly on the estimation of grazing capacities in the Karoo, an arid region in South Africa. Due to inherent deficiencies in the ecological index method, index…Publication Date 2000-09-01
- Limax
- pioneer species
- agronomic traits
- arid grasslands
- carrying capacity
- nutrient requirements
- climax communities
- South Africa
- veld
- estimation
- digestibility
- sheep
- range management
- botanical composition
- nutritive value
- canopy
- grasses
- available dry matter production
- canopy spread cover
- current grazing capability
- [K divided by (Ca + Mg)
- total digestible nutrients
- Library Collection RecordSpotted knapweed (Centaurea maculosa Lam.), an Eurasian perennial forb, is replacing many native perennial grasses, such as Idaho fescue (Festuca idahoensis Elmer.), throughout the Northern Rocky…Publication Date 2001-01-01
- noxious substances
- cnicin
- Festuca idahoensis
- weed palatability
- leaves
- canopy gaps
- stems
- ambient temperature
- weed control
- fiber content
- rain
- selective grazing
- crude protein
- sheep
- in vitro digestibility
- Centaurea maculosa
- seasonal variation
- introduced species
- invasive species
- nutritive value
- feeding preferences
- plant height
- weed
- Centaurea maculosa
- Festuca idahoensis
- utilization
- nutritive value
- Library Collection RecordThe decade of the 1920s was somewhat of a paradox for range science. A. W. Sampson published 3 books that were widely used as text for higher education classes in range management. The United States…Publication Date 2001-03-01
- social change
- textbooks
- salt licks
- grazing tenancy
- USDA
- public domain
- history
- water supply
- prescribed burning
- sheep
- goats
- overgrazing
- range management
- grazing
- herding technology
- range text
- wildfire
- salting
- Library Collection RecordTwo grazing trials were conducted during early winter (December 1996-January 1997) and spring (April-May 1997) to evaluate the effect of shape of pasture on forage use and behavior of grazing sheep (…Publication Date 2001-03-01
- Italy
- chemical composition
- pastures
- winter
- animal behavior
- spring
- feeding behavior
- voluntary intake
- Mediterranean climate
- selective grazing
- use efficiency
- sward destruction
- shape
- protein intake
- energy intake
- grazing intensity
- sheep
- biomass
- forage
- dry matter
- diet choice
- space pattern
- grazing management
- Library Collection RecordLeafy spurge (Euphorbia esula L.), a widely established exotic, noxious, perennial weed, is a major threat to rangeland and wildland in the Upper Great Plains. A deterministic, bioeconomic model,…Publication Date 2001-07-01
- fencing
- simulation models
- costs and returns
- Euphorbia esula
- economic analysis
- weed control
- profitability
- sheep
- rangelands
- grazing
- grasses
- feed intake
- Euphorbia esula L.
- grazing
- economics
- Library Collection RecordA classification of dietary structural types that represents different arrangements of forage classes is proposed. It may be especially useful for interpreting and comparing herbivore diets from…Publication Date 2001-07-01
- Lama guanicoe
- feces composition
- pastures
- selective grazing
- species differences
- vegetation
- feeds
- digestibility
- sheep
- goats
- cattle
- seasonal variation
- Argentina
- botanical composition
- forage
- diet botanical composition
- conceptualization
- forage classes
- microhistological analysis
- multivariate analysis
- similarity of diets
- Library Collection RecordPopulations of an introduced woody weed, prickly acacia (Acacia nilotica (L.) Delile ssp. indica (Benth.) Brenan syn. Acacia arabica (Lam.) Willd. ssp. indica Benth.), were surveyed at 4 sites in…Publication Date 2001-07-01
- regeneration
- Weeds
- quarantine
- Queensland
- seed dispersal
- highlands
- rain
- seedlings
- pastures
- selective grazing
- woody plants
- rotational grazing
- sheep
- plant density
- introduced species
- browsing
- grazing
- plant height
- Life-stage profiles
- rainfall
- population dynamics
- regeneration
- cattle
- woody weeds
- Library Collection RecordPredation by coyotes (Canis latrans) on livestock continues to plague producers in the United States. Agricultural interests are concerned about coyote predation because sheep inventories in the U.S.…Publication Date 1999-09-01
- territory
- working animals
- contraception
- trapping
- guard animals
- losses
- coyotes
- lambs
- predator-prey relationships
- llamas
- predation
- predator control
- population density
- hunting
- Western United States
- guard dogs
- population dynamics
- sheep
- wildlife management
- literature reviews
- Library Collection RecordTwo small-plot grazing trials were conducted in the spring of 1996 and the winter of 1997 to determine whether sheep would differentially graze fourwing saltbush [Atriplex canescens (Pursh) Nutt.] on…Publication Date 1998-11-01
- Atriplex canescens
- gender differences
- palatability
- dioecy
- winter
- spring
- sheep
- biomass
- grazing
- feeding preferences
- Library Collection RecordChronic overgrazing in the central Andes alters vegetation and may cause erosion and loss of productivity, but quantitative studies are lacking. We measured the relative influence of environmental…Publication Date 1999-09-01
- transhumance
- socioeconomic
- soil organic matter
- grazing time
- ground cover
- controlled grazing
- species diversity
- range condition
- dry seasons
- wet season
- slope
- aspect
- stocking rate
- mountain grasslands
- precipitation
- sheep
- biomass
- Argentina
- botanical composition
- altitude
- Library Collection RecordCarefully-managed livestock grazing has been offered as a tool to improve the forage quality of graminoids on big game winter range. Formal testing of this theory has thus far been done using hand…Publication Date 2000-01-01
- Festuca idahoensis
- Pseudoroegneria spicata
- Carex geyeri
- stems
- Carex
- savannas
- Cervus elaphus
- rain
- stocking rate
- Oregon
- crude protein
- shrubs
- sheep
- in vitro digestibility
- biomass
- canopy
- grazing
- forage
- Library Collection RecordLivestock-guarding dogs are an effective way of protecting rangeland sheep from predators. However, open mountain/forest range and widely ranging sheep are factors that may make adaptation to…Publication Date 1999-07-01
- nocturnal activity
- social integration
- extensive livestock farming
- predation
- training (animals)
- cost-benefit analysis
- Norway
- sheep dogs
- dog breeds
- Great Pyrenees
- Ursus arctos
- pastures
- sheep
- Library Collection RecordWe documented behaviors of Great Pyrenees livestock-guarding dogs toward people, livestock, dogs, horses, reindeer, and bear to determine if they might be suitable for protecting livestock in Norway…Publication Date 1999-01-01
- Norway
- reindeer
- predators
- sheep dogs
- dog breeds
- aggression
- humans
- Ursus
- Gulo gulo
- Great Pyrenees
- Lynx
- sheep
- Library Collection RecordInvasion of pristine grasslands by caldén (Prosopis caldenia Burkart), and increased densities of this species in savannas are well-known vegetation changes in the semiarid region of central…Publication Date 1998-11-01
- landscape ecology
- Prosopis
- savanna woodlands
- ecological succession
- population dynamics
- rain
- shrubs
- sheep
- cattle
- Argentina
- grazing
- Library Collection RecordThe epidermal remains of 4 poisonous plant species that produce acute intoxication in ruminants were quantified by microhistological analysis in the gastro-intestinal content of sheep experimentally…Publication Date 1998-11-01
- Conium maculatum
- digestive tract
- Wedelia glauca
- Baccharis coridifolia
- Cestrum parqui
- Cestrum
- plant tissues
- poisoning
- cell walls
- rumen contents
- identification
- digestibility
- digesta
- sheep
- Argentina
- poisonous plants
- Library Collection RecordThe seasonal variations in nitrogen and phosphorus fractions and cations in 2 species of Atriplex common to Western Australia (Atriplex amnicola P.G. Wilson and Atriplex nummularia Lindl.) were…Publication Date 2000-01-01
- Atriplex amnicola
- plant proteins
- metal ions
- fractionation
- Atriplex nummularia
- Western Australia
- nutrient requirements
- solubility
- ambient temperature
- rain
- sodium
- species differences
- nitrogen
- potassium
- phosphorus
- sheep
- seasonal variation
- Library Collection RecordThe scientific study of rangelands in the western United States, started with the first collection of natural history specimens in the 18th century. Gradually over the 19th century, a basic catalog…Publication Date 2000-01-01
- land productivity
- Rocky Mountain region
- public domain
- history
- range condition
- sustainability
- sheep
- overgrazing
- range management
- rangelands
- Library Collection RecordCalibrated predictive relationships obtained from simple and multiple regression of thematic mapper or broad-band (BB) and 1.4 nm interval or narrow-band (NB) spectral data were evaluated for…Publication Date 1999-05-01
- Artemisia tripartita
- Balsamorhiza
- spectral analysis
- balsamorhiza saggitta
- Pseudoroegneria spicata
- wavelengths
- reflectance
- errors
- controlled grazing
- remote sensing
- multispectral imagery
- range condition
- Idaho
- sheep
- seasonal variation
- canopy
- Library Collection RecordThree trials were conducted to determine if low ingestion of some leafy spurge (Euphorbia esula L.) by sheep is primarily due to differences in sheep or in leafy spurge. In the first trial, pastures…Publication Date 1999-01-01
- organic compounds
- dried fodders
- lambs
- geographical variation
- weed palatability
- grassland improvement
- Euphorbia esula
- selective grazing
- Idaho
- sheep
- fertilizer
- feeding preferences
- North Dakota
- maturity stage
- Library Collection RecordGeneralized linear mixed models were used to obtain best linear unbiased predictions (BLUP's) of herbivore preferences for range plant species from expert knowledge contained in range site…Publication Date 1998-01-01
- deer
- resource utilization
- Edwards Plateau
- Cyperaceae
- mixed grazing
- interspecific competition
- legumes
- browse plants
- best linear unbiased prediction
- linear models
- forbs
- shrubs
- sheep
- goats
- cattle
- Texas
- grasses
- feeding preferences
- Library Collection RecordSpotted knapweed (Centaurea maculosa Lam.), an aggressive Eurasian forb, is replacing many native perennial grasses such as Idaho fescue (Festuca idahoensis Elmer.) on foothills of the Northern Rocky…Publication Date 1997-07-01
- Festuca idahoensis
- roots
- carbohydrates
- shoots
- weed control
- biomass production
- sheep
- Centaurea maculosa
- range management
- Montana
- plant competition
- grazing
- chemical constituents of plants
- Library Collection RecordThe effects of fall and spring sheep use on cover components and recovery following a change in seasonality of grazing practices, were studied within long-term grazing treatments of three-tip…Publication Date 1998-05-01
- Artemisia tripartita
- Balsamorhiza
- timing
- ground cover
- controlled grazing
- stocking rate
- Idaho
- semiarid zones
- sheep
- plant density
- botanical composition
- rangelands
- canopy
- grazing
- Library Collection RecordIn sacco dry matter degradability (DMD) of the most commonly consumed range forages by llamas and sheep in the arid highlands of Bolivia was measured during the wet and dry seasons to determine if…Publication Date 1997-07-01
- in sacco dry matter degradation
- degradation
- Bolivia
- llamas
- highlands
- arid lands
- digestibility
- kinetics
- shrubs
- sheep
- grasses
- forage
- dry matter