Rangeland Ecology & Management
Get reliable science
Toggle Search
Result Type
Collection
Keywords
Document Type
Displaying 151 - 200 of 240 results
- Library Collection RecordSimulated 8-pasture short duration grazing systems were studied in 1985-86 to determine the effect of grazing schedule and stocking rate on defoliation patterns of individual grass tillers of big…Publication Date 1990-03-01
- Schizachyrium scoparium
- controlled grazing
- stocking rate
- Andropogon gerardii
- rotational grazing
- Oklahoma
- tillers
- grazing intensity
- cattle
- defoliation
- grazing
- plant height
- Library Collection RecordEmergence of broadcast-seeded kleingrass (Panicum coloratum L. 'Selection 75') was compared for 2 seasons in short-duration grazed (SDG) areas and ungrazed exclosures in the Texas Rolling…Publication Date 1990-03-01
- soil strength
- Panicum coloratum
- controlled grazing
- seedling emergence
- stocking rate
- pastures
- cattle
- Texas
- soil compaction
- trampling
- Library Collection RecordShort-duration grazing (SDG) has been purported to increase forage production and utilization compared to other grazing systems, and thus can sustain higher stocking rates. This study was designed to…Publication Date 1990-03-01
- availability
- stocking rate
- pastures
- cattle
- plant density
- Texas
- botanical composition
- grazing
- forage
- Library Collection RecordGrazing affects the plant ecology and adds excreta, thereby influencing soil N relationships. Consequently, total N, mineralizable N, exchangeable N, hydrolyzable N, and urease activity were assessed…Publication Date 1990-01-01
- nitrogen mineralization
- hydrolysis
- urease
- grassland soils
- soil organic matter
- A horizons
- chernozemic soils
- Festuca altaica
- enzyme activity
- nitrate nitrogen
- ammonium nitrogen
- distribution
- Alberta
- cattle manure
- stocking rate
- spatial distribution
- cattle
- grazing
- Library Collection RecordA model, more detailed than a set of stocking rate response curves but less detailed than large process models such as SPUR, was needed to evaluate the short-term effect of grazing management…Publication Date 1989-09-01
- computer simulation
- stocking rate
- steers
- range management
- Library Collection RecordManagers often deal with the problem of herd replacement of one animal class by another. A preliminary study suggested that steers could be substituted for cow-calf pairs on shortgrass steppe on a…Publication Date 1989-07-01
- animal unit equivalent
- substitution
- conversion
- cows
- sown grasslands
- ratios
- calves
- steppes
- stocking rate
- pastures
- steers
- natural grasslands
- range management
- Colorado
- forage
- feed intake
- Library Collection RecordThe effect of varying price ratios between liveweight and supplementary feed on the optimum stocking rate (SR) of a beef herd on range is analyzed in relation to the net value of weaned calf live…Publication Date 1989-07-01
- mathematical models
- production costs
- cost analysis
- beef herds
- liveweight gain
- stocking rate
- pastures
- dietary supplements
- cattle feeding
- beef cattle
- Library Collection RecordResearch was conducted on the effects of rotational grazing (RG) compared to continuous grazing (CG) on the behavior of cattle grazing on rangelands. Different livestock densities in the RG…Publication Date 1989-07-01
- grazing time
- continuous grazing
- grazing experiments
- stocking rate
- pastures
- rotational grazing
- grazing intensity
- grazing behavior
- spatial distribution
- cattle
- Texas
- Library Collection RecordProponents of rotational grazing claim that individual animal performance in a properly managed rotational grazing (RG) treatment will be equal to or greater than that in other, less intensively…Publication Date 1989-05-01
- crude protein
- organic matter digestibility
- stocking rate
- grazing systems
- Library Collection RecordAn economic analysis of alternative stocking rate adjustment tactics is performed using a simulation model which emulates the annual decision-making situation of a rancher. The model includes…Publication Date 1989-03-01
- computer software
- investment
- cattle production
- optimization
- decision making
- stocking rate
- Texas
- Library Collection RecordPatterns of end-of-season standing crop were evaluated during a 4-year period on an oak-bunchgrass range site under short-duration grazing in northern Mexico. Patterns were determined as a function…Publication Date 1989-01-01
- crop management
- Mexico
- stocking rate
- biomass
- range management
- grazing
- Library Collection RecordThurber needlegrass (Stipa thurberiana Piper) is an important component of both forested and shrub-steppe communities of the Pacific Northwest and Great Basin regions, and little is known of its…Publication Date 1988-11-01
- Achnatherum thurberianum
- roots
- stocking rate
- regrowth
- Oregon
- range management
- phenology
- rangelands
- defoliation
- livestock
- grazing
- forage
- Library Collection RecordStocking rate effects on intensive-early stocked Kansas Flint Hills range were studied from 1982 through 1987. Rates were 2X, 2.5X, and 3X normal season-long stocking rates for 200-225 kg steers.…Publication Date 1988-11-01
- carbohydrates
- Kansas
- yields
- stocking rate
- winter
- Andropogon gerardii
- cattle
- rangelands
- grazing
- forage
- Library Collection RecordContinuous stocking usually leads to the formation of grazed patches. However, the effect of patches on the grassland community is related to their stability. Therefore, we studied the spatial…Publication Date 1988-11-01
- Festuca altaica
- plant community analysis
- danthonia parryi
- grasslands
- yields
- Alberta
- stocking rate
- botanical composition
- livestock
- grazing
- forage
- 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 1988-11-01
- Kansas
- liveweight gain
- yields
- stocking rate
- winter
- Andropogon gerardii
- cattle
- rangelands
- grazing
- forage
- Library Collection RecordComplementary pasture-native range systems are known to increase production per cow and per hectare of cow-calf enterprises, but the proper ratio of complementary pasture to range and the optimum…Publication Date 1988-09-01
- Bromus biebersteinii
- Medicago sativa
- cows
- Agropyron desertorum
- liveweight gain
- calves
- yields
- reproductive performance
- stocking rate
- profitability
- Wyoming
- range management
- Library Collection RecordCumberland Island National Seashore, Georgia, is inhabited by a population of feral horses that intensively graze the island's salt marshes. Based on 18 months of experimental grazing studies, a…Publication Date 1988-09-01
- Spartina alterniflora
- salt marshes
- cumberland island national seashore
- feral varieties
- simulation models
- Georgia
- grazing trials
- horses
- stocking rate
- Library Collection RecordManipulating stocking rate and duration of grazing is fundamental to range management. It has been claimed that rotation grazing systems will increase stocking capacity of range while maintaining or…Publication Date 1988-07-01
- economics
- Hesperostipa comata
- Agropyron
- liveweight gain
- stocking rate
- crop production
- rotational grazing
- Pascopyrum smithii
- Wyoming
- grazing intensity
- cattle
- range management
- grazing
- forage
- Library Collection RecordThe term harvest efficiency has been used with increasing frequency to describe results of intensive grazing management. A concept of harvest efficiency for grazed systems, i.e., a grazing efficiency…Publication Date 1988-07-01
- grazing experiments
- productivity
- agricultural research
- nomenclature
- efficiency
- stocking rate
- grazing intensity
- range management
- grazing
- Library Collection RecordGrazing trials in which treatments are compared at only 1 grazing intensity greatly outnumber those in which treatments are compared at several grazing intensities. This suggests that, compared to…Publication Date 1988-07-01
- data analysis
- Cynodon dactylon
- models
- liveweight gain
- regression analysis
- cultivars
- grazing experiments
- stocking rate
- steers
- grazing intensity
- Texas
- Library Collection RecordSimulated 8-pasture short duration grazing systems were studied in 1985-86 to determine the effect of timing and intensity of grazing on seasonal herbage dynamics. Treatments consisted of 3 grazing…Publication Date 1988-05-01
- correlation
- controlled grazing
- stocking rate
- Oklahoma
- land restoration
- prairies
- range management
- biomass accumulation
- grazing
- forage
- Library Collection RecordTobosa (Hilaria mutica [Buckl.] Benth.) was seasonally grazed with cattle under high-density (2.1 to 5.1 animal unit/hectare [AU/ha]) rotation and low-density (0.33 and 0.39 AU/ha) continuous…Publication Date 1988-01-01
- crop quality
- Hilaria mutica
- arid zones
- liveweight gain
- stocking rate
- rotational grazing
- crude protein
- cattle
- rangelands
- grazing
- New Mexico
- forage
- Library Collection RecordThe financial profitability of intensive grazing management techniques such as short duration grazing (SDG) and the Savory Grazing Management (SGM) has received very little attention in the range…Publication Date 1987-09-01
- investment
- intensive livestock farming
- ranching
- economic analysis
- stocking rate
- profitability
- range management
- grazing
- Library Collection RecordComparisons were made over a 4-year period between 1-herd, 16-pasture short duration grazing (SDG) and continuous grazing (CG) on the Texas High Plains. Animal performance, vegetation response, and…Publication Date 1987-09-01
- liveweight gain
- grazing experiments
- stocking rate
- steers
- Texas
- botanical composition
- rangelands
- grazing
- forage
- feeding preferences
- Library Collection RecordResearch was initiated at the Texas Experimental Ranch in 1981 to quantify the effects of 2 livestock densities on forage quality in a rotational grazing (RG) treatment. Livestock densities evaluated…Publication Date 1987-07-01
- stocking rate
- pastures
- rotational grazing
- digestibility
- crude protein
- Texas
- quality
- livestock
- forage
- dry matter
- Library Collection RecordThis study emphasizes short-term management decisions that are made in a yearling cattle operation in northeastern Colorado. Empirical equations describing forage and animal growth were coupled with…Publication Date 1987-07-01
- yearlings
- marketing techniques
- grazing time
- dynamic programming
- optimization
- decision making
- stocking rate
- cattle
- range management
- Colorado
- Library Collection RecordUnderstanding the conditions in which livestock consume poisonous plants is necessary to develop management strategies to reduce losses. Three 10-day grazing trials were conducted to observe…Publication Date 1987-07-01
- premature birth
- prevention
- maturity
- pods
- developmental stages
- Oxytropis
- weed palatability
- flowers
- Oxytropis sericea
- grazing experiments
- stocking rate
- Hereford
- steers
- Utah
- feeding preferences
- Library Collection RecordA 16-paddock, cell-designed, rotational grazing (RG) system was initiated in March 1981 to evaluate the effects of RG on various vegetation response variables and cow/calf production. This 20-month…Publication Date 1987-07-01
- organic matter digestibility
- crop quality
- continuous grazing
- stocking rate
- pastures
- rotational grazing
- digestibility
- crude protein
- cattle
- Texas
- plant litter
- forage
- Library Collection RecordResearch was initiated at the Texas Experimental Ranch in 1981 to quantify the effects of 2 stocking densities, equivalent to 14- and 42-paddock rotational grazing (RG) treatments, on aboveground…Publication Date 1987-05-01
- stocking rate
- rotational grazing
- cattle
- Texas
- biomass
- rangelands
- grazing
- forage
- Library Collection RecordDefoliation of intermediate wheatgrass (Agropyron intermedium by cattle was examined under seasonal and short-duration grazing. Tiller height, number of green leaves per tiller, phenological status,…Publication Date 1987-05-01
- grazing time
- Elytrigia intermedia subsp. intermedia
- stocking rate
- Washington
- pastures
- rotational grazing
- tillering
- grazing behavior
- cattle
- defoliation
- Library Collection RecordA study was conducted in 1982 and 1983 at the Dickinson Experiment Station, North Dakota, in the mixed grass prairie to determine the effects of short duration grazing (SDG) and repeated seasonlong…Publication Date 1986-11-01
- grazing time
- stocking rate
- plant communities
- cattle
- prairies
- range management
- botanical composition
- rangelands
- grazing
- forage
- North Dakota
- Library Collection RecordInfiltration rate and sediment production were measured for 2 years on 3 pastures from an intensive rotational grazing system. The pastures were 32, 24, and 16 ha in size. Stocking rate was held…Publication Date 1986-11-01
- soil water relations
- hydrology
- sediments
- stocking rate
- pastures
- rotational grazing
- sheep
- goats
- cattle
- Texas
- grazing
- infiltration
- Library Collection RecordThis study determined the impacts of fertilization and livestock grazing on infiltration rates and sediment production. Infiltration rates and sediment production varied across years, depending on…Publication Date 1986-07-01
- sediments
- fertilizer application
- stocking rate
- Bouteloua gracilis
- rangelands
- livestock
- grazing
- infiltration
- bulk density
- New Mexico
- Library Collection RecordCattle impact on riparian areas is dependent upon both their behavior and utilization of streamside vegetation. Development of grazing strategies for riparian environments would be enhanced by an…Publication Date 1986-05-01
- rest
- seasonal behavior
- streams
- highlands
- riparian buffers
- stocking rate
- animal behavior
- feeding behavior
- cattle
- Montana
- grazing
- Library Collection RecordThe effects of 4 stocking rates (1.2, 1.6, 2.4, and 4.8 AUM/ha) on cattle production were examined, over a 35-year period, on a Rough Fescue (Festuca scabrella Torr.) Grassland. Forage productivity…Publication Date 1986-03-01
- Festuca altaica
- grasslands
- liveweight gain
- grazing trials
- Alberta
- stocking rate
- cattle
- botanical composition
- grazing
- Library Collection RecordA 6-year study was conducted to evaluate the response of California annual range to triennial applications of sulfur only and sulfur plus nitrogen fertilizer. Range response was evaluated in terms of…Publication Date 1986-03-01
- seasonal growth
- sulfur fertilizers
- liveweight gain
- fertilizer application
- nitrogen fertilizers
- stocking rate
- beef production
- California
- crop yield
- rangelands
- grazing
- beef cattle
- forage
- Library Collection RecordStocking intensity and stocking pressure have been defined and used as technical stocking variables describing animals on pasture. Relationships between these variables and stocking variables such as…Publication Date 1985-11-01
- nomenclature
- stocking rate
- grazing intensity
- Library Collection RecordA simple calculation is proposed for estimating carrying capacity of range sites based on seasonal forage quality and standing crop. The model estimates animal unit days a pasture can support.…Publication Date 1985-09-01
- models
- grassland improvement
- grazing experiments
- stocking rate
- beef production
- Oregon
- range management
- rangelands
- livestock
- forage
- Library Collection RecordType I and Type II errors and the power of the test when testing the null hypothesis of static range trend are discussed. The consequences associated with Type I and Type II errors are judged to be…Publication Date 1985-09-01
- stocking rate
- monitoring
- trends
- statistical analysis
- range management
- Montana
- rangelands
- Library Collection RecordA study was conducted to examine the effects of 4 stocking rates on the vegetation in a Rough Fescue Grassland vegetation in southwestern Alberta. Stocking at a light rate (1.2 AUM/ha) for 32 years…Publication Date 1985-05-01
- Festuca altaica
- grasslands
- Alberta
- stocking rate
- cattle
- grazing
- Library Collection RecordA study of animal performance and forage quality under continuous and short-duration grazing (SDG) systems was conducted with post-weaning heifer calves on smooth bromegrass (Bromus inermis) pasture…Publication Date 1985-03-01
- forage crops
- stocking rate
- weight
- heifers
- grazing
- Library Collection RecordEvidence suggests that the range livestock industry in the Northern Great Plains is not as productive as it should be. Ranchers are not readily adopting the range improvement practices that…Publication Date 1985-01-01
- investment
- grassland improvement
- ranching
- stocking rate
- Montana
- rangelands
- Library Collection RecordA long-term study of the effects of season-long and deferred rotation grazing at different stocking rates examined cow and calf weight gains. Production functions were derived using stocking rate (…Publication Date 1984-07-01
- Pinus ponderosa
- stocking rate
- Washington
- Oregon
- cattle
- grazing
- Library Collection RecordDeferred-rotation grazing of Kansas Flint Hills' range grazed by steers May 1 to October 1 was compared to season-long stocking from 1950 through 1966. Deferred-rotation pastures had higher…Publication Date 1973-11-01
- season-long stocking
- depleted range
- cow-calf operations
- deferred rotation grazing
- range utilization
- animal performance
- steers
- grazing management
- Gains
- Kansas
- Flint Hills
- forage production
- range improvement
- pastures
- stocking rate
- range condition
- Library Collection RecordA model of the early growth of an annual pasture and liveweight response of grazing sheep was built using first order differential equations to study the practice of deferred grazing. The dynamic…Publication Date 1973-11-01
- Model Development
- Early Growth
- Liveweight Response
- Differential Equations
- Subterraneal Clover Pasture
- Pasture Height
- Meat Produced
- growth rate
- defoliation
- herbage weight
- deferred grazing
- herbage growth
- continuous grazing
- Western Australia
- density
- soil moisture
- plant density
- sheep
- stocking rate
- Library Collection RecordRemarkable results from a grazing management system were seen in three visits to Rhodesia between 1964 and 1969. The system, Short Duration Grazing, depends on intensive use for two weeks or less…Publication Date 1969-11-01
- short-duration grazing
- High Intensity
- Production Records
- SDG
- complexity
- Charter Field Trials
- Intensive Use
- concentration
- Rhodesia
- grazing management
- Pasture Production
- rest periods
- range improvement
- rest
- brush control
- stocking rate
- Library Collection RecordSoil depth heterogeneity within the shallow limy range site in western Kansas results in differences in range composition and production. Deep soils produce more forage than shallow (< 4″) soils.…Publication Date 1969-05-01
- Limy
- Western Kansas
- heterogeneity
- Range Composition
- Midgrass
- shortgrasses
- tallgrasses
- soil depth
- range sites
- depth
- Sideoats grama
- buffalo grass
- Shallow
- mixed prairie
- little bluestem
- big bluestem
- stocking rate
- range condition
- Hairy Grama
- blue grama
- relationships
- vegetation
- production
- forbs
- grasses
- basal cover
- Library Collection RecordA stocking-rate guide for cattle on blue-grama range was developed at Central Plains Experimental Range. The guide is based on the amount of herbage left ungrazed at the end of the summer season as…Publication Date 1969-03-01
- Guide
- grazing efficiency
- Leaf Tissue
- Blue Grama Range
- adjustments
- herbage growth
- Central Plains Experimental Range
- quantity
- economics
- grazing intensity
- beef production
- Great Plains
- quality
- livestock
- cattle
- vegetation
- forage
- Bouteloua gracilis
- Colorado
- management
- stocking rate
- Library Collection RecordVegetation on a clay upland range site in the Kansas 20- to 24-inch precipitation zone was differentially stocked at three rates with yearling cattle for 20 summer grazing seasons. Applications of…Publication Date 1969-03-01
- Herbaceous Species
- regression
- Yield Regressions
- ratios
- summer
- Kansas
- herbage yields
- classification
- stocking rate
- range condition
- Library Collection RecordLivestock production from native rangelands is the most important agricultural enterprise in the Somali Republic. The ranges of Somalia have a potential for much greater production than is currently…Publication Date 1968-11-01
- Grassland Savannahs
- environment
- native rangelands
- Production Potential
- grazing systems
- range condition
- range resources
- Somalia
- livestock production
- stocking rate
- livestock
- range management
- management