Rangeland Ecology & Management
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- Library Collection RecordStockpiling forage is a commonly used method to extend the grazing season in the southern U.S.A. However, there is little data on stockpiled forage in the upper Midwest. This study was conducted to…Publication Date 2002-01-01
- stock piling
- frost
- feed requirements
- Phalaris arundinacea
- Phleum pratense
- Wisconsin
- Elytrigia repens
- harvest date
- Bromus inermis
- Dactylis glomerata
- Festuca arundinacea
- sown grasslands
- fiber content
- nitrogen fertilizers
- winter
- crude protein
- cattle
- in vitro digestibility
- application rates
- grazing
- forage
- stock piling
- forage quality
- winter grazing
- cool-season grasses
- Library Collection RecordThe effects of seasonal grazing treatments (early spring and late summer) on soil physical properties were studied in a montane riparian ecosystem in northern Colorado. Infiltration rates and bulk…Publication Date 2002-01-01
- porosity
- recovery
- soil pore system
- soil density
- riparian grasslands
- hydrology
- spring
- soil water content
- summer
- grazing
- infiltration
- bulk density
- Colorado
- compaction
- infiltration
- soil bulk density
- porosity
- recovery
- 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 RecordAn understanding of the impacts of grazing during and following drought on rangeland ecosystems is critical for developing effective drought management strategies. This study was designed to examine…Publication Date 2002-01-01
- Pascopyrum smithii
- Bouteloua gracilis
- tillering
- growth rate
- leaf water potential
- precipitation
- xylem water potential
- drought injury
- tillers
- biomass production
- sustainability
- plant communities
- drought
- range management
- phenology
- Montana
- grazing
- soil water
- Bouteloua gracilis
- Pascopyrum smithii
- production
- rainout shelter
- rest
- water potential
- Library Collection RecordAccelerated erosion of streambanks in grazed riparian pastures is of concern to land managers. We tested the hypothesis that providing cattle free-choice off-stream water and trace mineralized salt…Publication Date 2001-11-01
- riverbank protection
- soil stability
- riparian grasslands
- water erosion
- water availability
- animal behavior
- dietary mineral supplements
- Oregon
- grazing intensity
- beef cattle
- grazing
- greenline
- water quality
- livestock
- off-stream water
- Library Collection RecordPresence of annual bromes (Bromus spp.), introduced annual weedy grasses, can alter seasonal patterns of forage production and quality and require management changes for efficient use of infested…Publication Date 2001-11-01
- protein
- dietary protein
- Bromus japonicus
- atrazine
- arid grasslands
- protein content
- liveweight gain
- weed control
- selective grazing
- diet
- steers
- precipitation
- biomass
- range management
- crop yield
- introduced species
- grazing
- beef cattle
- forage
- Bromus japonicus
- Pascopyrum smithii
- northern Great Plains
- crude protein yield
- Library Collection RecordPotential vegetation environments (e.g., habitat types, range sites, ecological sites) are important to land managers because they provide a conceptual basis for the description of resource…Publication Date 2001-09-01
- Little Missouri National Grasslands
- satellite surveys
- mapping
- Landsat
- shrublands
- land use planning
- habitats
- topography
- satellite imagery
- grasslands
- prediction
- range condition
- plant communities
- woodlands
- climatic factors
- grazing
- North Dakota
- habitat types
- ecological sites
- range sites
- ecological classification
- geographic information systems
- remote sensing
- vegetation mapping
- ecological units
- Library Collection RecordThis paper presents a comparative simulation analysis of the economics of prescribed fire and aerially applied root-killing herbicide treatment as methods for maintaining livestock productivity on…Publication Date 2001-09-01
- livestock numbers
- carrying capacity
- Prosopis glandulosa
- cost analysis
- cost-benefit analysis
- brush control
- herbicides
- chemical control
- prescribed burning
- Texas
- wildlife management
- grazing
- brush management
- bioeconomics
- natural resource accounting
- prescribed burning
- root-killing herbicide
- Library Collection RecordA comparative study was made of 3 techniques applied to the study of herbivore diet selection, namely direct observation, faecal analysis and the recently developed remote control oesophageal fistula…Publication Date 2001-09-01
- feces collection
- diet study techniques
- cud
- direct observation
- shrublands
- errors
- sampling
- herbivores
- goats
- grazing
- feeding preferences
- microhistological analysis
- goats
- South Africa
- Oesophageal fistula
- Library Collection RecordFrothy bloat in cattle is a serious problem and is difficult to manage under field conditions as it progresses rapidly from early signs of distension to acute distress. Scientists at Agriculture and…Publication Date 2001-07-01
- rumen
- bloat
- disease control
- polymers
- dosage
- feed additives
- risk reduction
- alfalfa
- developmental stages
- cultivars
- water
- incidence
- digestibility
- feed supplements
- cattle
- grazing
- pasture management
- frothy bloat
- legumes
- feed additives
- 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 RecordStrategic supplement placement has been shown to be an effective tool to lure cattle to underutilized rangeland. The goal of this study was to determine where cattle grazed when supplement was placed…Publication Date 2001-07-01
- molasses
- global positioning systems
- sloping land
- spatial variation
- water availability
- pastures
- feed supplements
- spatial distribution
- cattle
- Montana
- rangelands
- grazing
- grasses
- distribution
- grazing
- behavior
- utilization
- Library Collection RecordNative pasture and Old World bluestems (Bothriochloa spp.) have contrasting herbage production characteristics that suggest potential for incorporation into a complementary forage system. We compared…Publication Date 2001-07-01
- growth periods
- costs and returns
- economic analysis
- liveweight gain
- stocking rate
- pastures
- profitability
- Oklahoma
- biomass production
- botanical composition
- grazing
- beef cattle
- forage
- mixed prairie
- complementary forages
- old world bluestem
- Bothriochloa
- livestock performance
- Library Collection RecordUtilization of plant above ground biomass has continued to be a critical yet difficult assessment in rangeland monitoring. Shrub size and woody structure further compound the measurement of shrub…Publication Date 2001-07-01
- aerial photography
- reflectance
- methodology
- leaves
- evaluation
- image analysis
- remote sensing
- shrubs
- defoliation
- Utah
- browsing
- grazing
- remote sensing
- vegetation inventory
- photography
- 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 RecordStructural anti-quality characteristics are physical plant traits that reduce the performance and productivity of herbivores and quality of their agricultural products. Most structural anti-quality…Publication Date 2001-07-01
- shear strength
- animal injuries
- wool
- performance
- tensile strength
- foraging
- habitats
- plant morphology
- duration
- plant anatomy
- pastures
- digestibility
- sustainability
- botanical composition
- quality
- pasture plants
- literature reviews
- grazing
- feed intake
- bite size
- chewing
- canopy structure
- intake rate
- physical plant defenses
- spines
- Library Collection RecordPlants possess a wide variety of compounds and growth forms that are termed "anti-quality" factors because they reduce forage value and deter grazing. Anti-quality attributes can reduce a…Publication Date 2001-07-01
- allelochemicals
- food intake
- detoxification
- animal husbandry
- energy content
- metabolism
- flavor
- toxicity
- nutrient content
- foraging
- nutrient availability
- tolerance
- adaptation
- animal behavior
- selective grazing
- herbivores
- nutritive value
- quality
- literature reviews
- grazing
- forage
- anti-quality
- conditioned aversions
- detoxification
- diet selection
- forage quality
- foraging
- grazing behavior
- toxic plants
- Library Collection RecordForty spring-born calves grazing subirrigated meadow regrowth after haying in July were assigned to 2 weaning and 2 supplementation treatments in fall of 1995 and 1996. Weaning treatments were…Publication Date 2001-05-01
- feather meal
- digestible protein
- sucklings
- weaning
- meadows
- protein content
- liveweight gain
- calves
- duration
- Nebraska
- regrowth
- soybean meal
- feed supplements
- grazing
- dry matter
- feed intake
- undegraded intake protein
- beef calves
- forage intake
- forage digestibility
- Library Collection RecordAntelope bitterbrush (Purshia tridentata (Pursh) DC) is the most important browse species on many western mule deer (Odocoileus hemionus) ranges. Lack of antelope bitterbrush seedling recruitment is…Publication Date 2001-05-01
- plant development
- recruitment
- age
- Purshia tridentata
- browse plants
- seed productivity
- seedlings
- Odocoileus hemionus
- California
- Nevada
- canopy
- grazing
- Purshia tridentata
- mule deer
- shrub
- browse
- herbivory
- Library Collection RecordA disclimax stand of Canadian bluejoint (Calamagrostis canadensis (Michx.) Beauv.) was heavily grazed by cattle and horses for 4 years to weaken the grass's competition with hardwoods important…Publication Date 2001-05-01
- Calamagrostis canadensis
- Epilobium angustifolium
- rhizomes
- plant development
- wildlife
- viability
- competitive ability
- carbohydrates
- browse plants
- seed weight
- seed productivity
- shoots
- Alaska
- horses
- weight
- woody plants
- digestibility
- cattle
- nitrogen content
- biomass
- phenology
- plant competition
- grazing
- trampling
- chemical constituents of plants
- Calamagrostis canadensis
- overstocking
- forage quality
- boreal forests
- Library Collection RecordDrought and herbivory frequently influence North American rangelands. While these influences may temporarily reduce vegetative cover, their mutual influence on the available seedbanks which might…Publication Date 2001-05-01
- rooting depth
- plant development
- soil depth
- seed banks
- roots
- seedling emergence
- plant communities
- seed germination
- drought
- Montana
- rangelands
- browsing
- grazing
- water stress
- minirhizotron
- northern mixed-grass prairie
- seed banks
- 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 RecordStubble height, a measure of the herbaceous vegetation remaining after grazing, has been widely used in recent years to gage the impacts of grazing use in riparian areas. Stubble height is a short-…Publication Date 2000-11-01
- riparian grasslands
- Salix
- streams
- stubble
- ecotones
- height
- riparian buffers
- regrowth
- grazing intensity
- browsing damage
- cattle
- biomass
- range management
- literature reviews
- trampling
- grazing
- livestock management
- streambanks
- trampling
- utilization
- willow
- Library Collection RecordWater quality contamination by pathogens and nutrients from cattle fecal deposits is a concern on rangeland watersheds. The temporal and spatial deposition of fecal material relative to storm events…Publication Date 2000-09-01
- watershed management
- estimation
- dry seasons
- wet season
- cattle manure
- weight
- range management
- dry matter
- water quality
- pathogens
- nutrients
- grazing
- Library Collection RecordWater quality contamination by pathogens and nutrients from cattle fecal deposits is a concern on rangeland watersheds. The temporal and spatial deposition of fecal material relative to storm events…Publication Date 2000-09-01
- watershed management
- estimation
- dry seasons
- wet season
- cattle manure
- weight
- range management
- dry matter
- water quality
- pathogens
- nutrients
- grazing
- Library Collection RecordFrequent and intense defoliation of grasses has been associated with the evolution of "grazing morphotypes" that exhibit a variety of vegetative traits correlated with improved grazing…Publication Date 2000-09-01
- apomixis
- selection pressure
- Bouteloua curtipendula
- inflorescences
- plant morphology
- seed productivity
- genetic effects
- grazing
- Arizona
- Bouteloua
- defoliation tolerance
- evolution
- grazing resistance
- Library Collection RecordThis paper reports on the results of a 3-year field study of the effects of spring/summer burning and cattle grazing on wintering sparrows in the grasslands of southeastern Arizona. The effects of…Publication Date 2000-07-01
- ammodramus bairdii
- ammodramus savannarum ammolegus
- aimophila cassinnii
- passerculus sandwichensis
- wild birds
- pooecetes gramineus
- prescribed burning
- grazing intensity
- wildlife management
- grazing
- Arizona
- beef cattle
- birds
- conservation
- bird-banding
- Library Collection RecordFlorida native range is grazed in winter and cows are moved to bahiagrass (Paspalum notatum Flugge) pasture in March for breeding and calf rearing. Winter weight loss of cows is a major problem, and…Publication Date 2000-07-01
- weaning
- pregnancy rate
- breeding season
- weaning weight
- sown grasslands
- weight losses
- Paspalum notatum
- liveweight gain
- calves
- body weight
- rain
- Florida
- pastures
- spring
- beef cows
- summer
- grazing
- native forage
- cattle
- reproduction
- weight change
- management
- Library Collection RecordWe evaluated reproduction and recruitment of the Columbia spotted frog (Rana luteiventris Thompson) in 70 ponds used by beef cattle and in 57 ponds not used by beef cattle in northeastern Oregon. No…Publication Date 2000-05-01
- aquatic plants
- surface area
- Rana
- algae and seaweeds
- dissolved oxygen
- rana luteiventris
- fish
- ponds
- recruitment
- depth
- habitats
- ova
- Oregon
- cattle
- grazing
- altitude
- livestock grazing
- northeastern Oregon
- Rana luteiventris Thompson
- Library Collection RecordSpotted knapweed (Centaurea maculosa Lam.) management may be enhanced by integrating strategies that stimulate and maintain competitive grasses. The objective of this study was to determine if…Publication Date 2000-05-01
- NPK fertilizers
- ground cover
- weed control
- plant density
- picloram
- Centaurea maculosa
- application rates
- biomass
- botanical composition
- Montana
- defoliation
- grazing
- simulation
- Centaurea maculosa
- integrated weed management
- grass defoliation
- grazing management
- Library Collection RecordA sward-based technique for quantifying the spatial heterogeneity in herbage mass and consumption was developed and tested in a bahia grass (Paspalum notatum Flügge) pasture grazed by cattle. For…Publication Date 2000-05-01
- calibration
- spatial variation
- Paspalum notatum
- capacitance
- Japan
- grazing intensity
- spatial distribution
- biomass
- grazing
- beef cattle
- electronic capacitance probe
- patch grazing
- patch stability
- rate of defoliation
- spatial patterns
- Paspalum notatum
- Library Collection RecordWestern ragweed [Ambrosia psilostachya DC. ], a major forb species in mixed and tallgrass prairies, is considered to have little value for cattle grazing but is an important food item for bobwhite…Publication Date 2000-05-01
- height-weight ratio
- tallgrass prairie
- mixed prairie
- mixed pastures
- Ambrosia psilostachya
- growth curve
- rain
- Oklahoma
- plant communities
- plant density
- prairies
- biomass
- botanical composition
- plant competition
- grazing
- grasses
- Ambrosia psilostachya
- plant competition
- grazing effects
- Library Collection RecordEconomic impacts from federal grazing policy frequently figure in public debate about federal land in the American West. The spatial and economic level of aggregation at which impacts are estimated…Publication Date 2000-03-01
- rural economy
- income
- primary sector
- sectoral analysis
- grazing tenancy
- public domain
- economic impact
- stocking rate
- Idaho
- spatial distribution
- rangelands
- public lands
- grazing
- input/output models
- Library Collection RecordWe compared the herbage standing crop on 31 farms along a rainfall gradient in Namibia (southwestern Africa) in 1997 with the results attained for the same gradient by Walter (1939). We found that…Publication Date 2000-03-01
- Namibia
- environmental degradation
- desertification
- grasslands
- rain
- stocking rate
- biomass production
- overgrazing
- forage
- Africa
- rangelands
- historical records
- grazing
- rainfall
- Library Collection RecordThree watersheds at the University of California's Sierra Foothill Research and Extension Center (SFREC), Marysville, Calif. were selected to study cattle grazing effects on the vegetation…Publication Date 2000-03-01
- springs (water)
- ground cover
- highlands
- species diversity
- riparian buffers
- body weight
- plant communities
- California
- cattle
- plant litter
- botanical composition
- grazing
- dry matter
- 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 RecordThe role of livestock grazing and big-game browsing in the decline of aspen (Populus tremuloides Michx.) in the Intermountain West has long been questioned. All known aspen exclosures (n=8) on the…Publication Date 2000-03-01
- natural regeneration
- national forests
- understory
- Populus tremuloides
- grazing intensity
- Odocoileus hemionus
- Cervus elaphus canadensis
- botanical composition
- Utah
- grazing
- beef cattle
- Populus tremuloides communities
- reproduction
- decline
- cattle grazing
- deer browsing
- elk browsing
- undergrowth
- Library Collection RecordGrowing yearling steers on summer rangelands as part of a cow-calf-yearling operation would allow producers to maximize forage utilization, and selling yearling steers when forage was in short supply…Publication Date 2000-03-01
- topography
- liveweight gain
- ambient temperature
- rain
- phosphorus
- soybean meal
- dietary mineral supplements
- metabolizable energy
- steers
- barley
- in vitro digestibility
- protein supplements
- rangelands
- grazing
- beef cattle
- dry matter
- feed intake
- North Dakota
- Dry matter intake
- forage crude protein
- forage phosphorus
- ground barley
- 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 RecordGrazing distribution and forage use patterns are important influences on rangeland ecosystems. Spatial patterns of grazing by domestic cattle (Bos taurus) were observed over 2 consecutive years under…Publication Date 2000-01-01
- geographic information systems
- mathematical models
- prediction
- stocking rate
- rotational grazing
- spatial distribution
- grazing
- beef cattle
- Library Collection RecordGrasslands in the humid southern USA are utilized primarily for grazing on improved pastures, most of which were developed since the 1930s and 1940s. Virtually all of these grasslands were developed…Publication Date 2000-01-01
- humid zones
- Neotyphodium coenophialum
- transgenic plants
- Southeastern United States
- gypsum
- Festuca
- Festuca arundinacea
- sown grasslands
- plant breeding
- Paspalum notatum
- agricultural research
- grazing
- beef cattle
- Library Collection RecordGrazing cattle on forest plantations in the interior of British Columbia (B.C.) is a common practice, but its impact on soil compaction is not well documented. This study evaluated the effects of…Publication Date 1999-11-01
- resistance to penetration
- British Columbia
- sown grasslands
- Pinus contorta
- forest plantations
- grazing intensity
- grazing
- infiltration
- soil compaction
- bulk density
- beef cattle
- Library Collection RecordEastern gamagrass (Tripsacum dactyloides (L.) L.) is a perennial warm-season bunchgrass that starts growth earlier in the spring than most other warm-season grasses. This suggests that combining…Publication Date 1999-11-01
- Tripsacum dactyloides
- Tripsacum
- protein content
- liveweight gain
- Bothriochloa ischaemum
- rain
- stocking rate
- Oklahoma
- grazing intensity
- in vitro digestibility
- biomass
- botanical composition
- nutritive value
- grazing
- beef cattle
- plant height
- maturity stage
- Library Collection RecordAn experiment with beef cows grazing Mediterranean-type grassland was conducted to study the effect of grazing deferment at the beginning of the growing season on pasture productivity and animal…Publication Date 1999-11-01
- poultry manure
- calving rate
- replacement rate
- Israel
- weaning weight
- controlled grazing
- production costs
- continuous grazing
- duration
- stocking rate
- Mediterranean climate
- beef cows
- conception rate
- energy intake
- feed supplements
- biomass
- range management
- grazing
- feed intake
- Library Collection RecordDelaying calving season from late winter to late spring has been suggested as a way for producers in Wyoming and other high elevation areas of the West to reduce feeding costs. We hypothesized that…Publication Date 1999-11-01
- calf production
- calving season
- body fat
- alfalfa
- alfalfa hay
- computer software
- body condition
- mathematical models
- production costs
- winter
- spring
- beef cows
- hay
- profitability
- grazing
- Library Collection RecordA study was conducted in foothill rangelands during the fall to determine if livestock grazing distribution could be improved by strategic placement of dehydrated molasses supplement blocks (30%…Publication Date 1999-11-01
- terrain
- salt licks
- molasses
- weather
- hill grasslands
- protein content
- liveweight gain
- body weight
- slope
- feed supplements
- spatial distribution
- biomass
- Montana
- grazing
- beef cattle
- plant height
- Library Collection RecordThe circum-Mediterranean perennial Ferula communis L.(giant fennel) has anticoagulant constituents. Mortality from poisoning can affect 5% of the sheep grazed in infested areas and most casualties…Publication Date 1999-09-01
- lithium chloride
- social facilitation
- Ferula communis
- anticoagulants
- social interaction
- flood aversion
- conditioning
- learning
- lambs
- Israel
- conditioned behavior
- grazing
- feed intake
- poisonous plants
- Library Collection RecordWe determined rates of western juniper (Juniperus occidentalis spp. occidentalis Hook.) density and cover change during the period 1951 to 1994 at 3 adjacent sites with nearly identical elevation,…Publication Date 1999-09-01
- population growth
- aerial photography
- grassland condition
- ground cover
- land use
- seed productivity
- ecological succession
- Juniperus occidentalis
- fires
- fire effects
- leaf area index
- Oregon
- Artemisia tridentata
- plant density
- plant competition
- grazing
- Library Collection RecordAssessing vegetation status via remote sensing techniques using various vegetation indices has been successfully applied to semi-arid and arid environments. We tested the feasibility of applying such…Publication Date 1999-09-01
- Israel
- infrared imagery
- wavelengths
- equus hemionus
- visibility
- feral herds
- ground cover
- image analysis
- arid lands
- soil types
- remote sensing
- satellite imagery
- atmosphere
- equations
- dry seasons
- wet season
- vegetation
- seasonal variation
- grazing
- Library Collection RecordThe estimation of the energy cost of various activities using calorimetric techniques in conjunction with direct field observations can be used to estimate energy expended in the daily activities of…Publication Date 1999-09-01
- free range husbandry
- energy cost of activities
- extensive livestock farming
- energy requirements
- locomotion
- distance travelled
- Spain
- animal behavior
- goats
- seasonal variation
- grazing