Rangeland Ecology & Management
Get reliable science
Toggle Search
Result Type
Collection
Keywords
Document Type
Displaying 151 - 200 of 360 results
- Library Collection RecordInfiltration rate and sediment production were measured over a 2-year period on an intensive rotationally grazed pasture. Measurements were taken prior to the movement of livestock onto the pasture,…Publication Date 1986-11-01
- intensive livestock farming
- hydrology
- sediments
- pastures
- rotational grazing
- sheep
- goats
- cattle
- Texas
- seasonal variation
- rangelands
- grazing
- infiltration
- Library Collection RecordGrazing sheep on improved pastures during winter offers an economically attractive alternative to supplementation in sage-brush steppe ecosystems. We studied diet selection and nutrition of sheep…Publication Date 1986-11-01
- Agropyron desertorum
- steppes
- grazing experiments
- pastures
- winter
- woody plants
- animal nutrition
- digestibility
- sheep
- range management
- rangelands
- Utah
- grazing
- feed intake
- feeding preferences
- Library Collection RecordCuticular imprints of underlying plant tissue which survive ruminant digestion in herbivore feces provide a reliable taxonomic basis for species identification provided they can be adequately…Publication Date 1987-03-01
- epidermis
- cuticle
- Medicago sativa
- histology
- feces composition
- Sorghastrum nutans
- diets
- sheep
- Library Collection RecordAlthough there have been several reports on the food habits of domestic herbivores in various semiarid regions of the world, there has been no previous report on the partitioning of forage resources…Publication Date 1987-01-01
- camels
- forage selection
- pastoralism
- arid zones
- Kenya
- sheep
- diet studies
- goats
- grazing behavior
- cattle
- range management
- seasonal variation
- rangelands
- 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 RecordThe dry-weight-rank (DWR) method for determining species composition of tallgrass prairie vegetation was compared to hand clipping. Species composition estimates for the 2 methods were similar in 3…Publication Date 1986-05-01
- vegetation sampling
- species
- vegetation
- sampling
- Oklahoma
- prairies
- botanical composition
- rangelands
- dry matter
- Library Collection RecordWe observed the effects of accessions of big sagebrush (Artemisia tridentata) on big sagebrush utilization by wintering domestic sheep. The sheep had continuous access to high quality alfalfa hay and…Publication Date 1987-03-01
- genotype
- winter
- Artemisia tridentata
- sheep
- grazing behavior
- Utah
- grazing
- feeding preferences
- Library Collection RecordSome high-elevation summer ranges in southwestern Utah are characterized by a dominance of grass and low-value forbs. A reference area of forb dominance provides a striking contrast to these grass…Publication Date 1986-09-01
- long term experiments
- regenerative ability
- vegetation
- mountain grasslands
- sheep
- Utah
- grazing
- Library Collection RecordLive and standing dead biomass, standing crop, and total nitrogen, within each component, were measured in a big sacaton (Sporobolus wrightii Monro) grassland in southeastern Arizona for 3 years to…Publication Date 1985-05-01
- Sporobolus wrightii
- Sporobolus
- soil
- biomass determination
- grasslands
- vegetation
- nitrogen content
- Texas
- grazing
- New Mexico
- Arizona
- Library Collection RecordFew detailed comparisons have been made among alfalfa (Medicago spp.) cultivars and strains grazed in semiarid, rangeland environments. The objective of this study was to determine survival and vigor…Publication Date 1986-01-01
- germplasm
- Medicago
- cultivars
- regrowth
- sheep
- establishment
- rangelands
- grazing
- North Dakota
- Library Collection RecordThe dietary botanical composition of indigenous sheep and goats was determined in the semiarid tropics of northeastern Brazil, using esophageally fistulated animals. Sheep and goats selected similar…Publication Date 1986-01-01
- semiarid zones
- sheep
- adaptability
- diet studies
- goats
- Brazil
- woodlands
- grazing behavior
- dry environmental conditions
- deciduous seasonal forests
- Library Collection RecordThe effect of hunger satiation on selectivity for diet quality by sheep grazing a smooth bromegrass (Bromus inermis) pasture was studied with esophageal fistulated sheep. Fifteen wethers (45.8 +/- .7…Publication Date 1985-07-01
- hunger
- satiety
- Bromus inermis
- sheep
- diet studies
- grazing
- Library Collection RecordThe reduction in extent of riparian forests in the southwestern United States has been a topic of recent concern. The effect of dams on downstream river flow and the consequent modification of the…Publication Date 1985-03-01
- water conservation
- Populus fremontii
- Populus
- riparian forests
- vegetation
- Arizona
- Library Collection RecordGrazing trials were conducted on high elevation summer range in southwestern Utah, with cattle and sheep stocked separately and together in .4-ha paddocks. Vegetation measurements were taken before…Publication Date 1985-07-01
- symphoricarpos oreophilus
- Symphoricarpos
- foraging
- highlands
- grazing intensity
- sheep
- cattle
- rangelands
- Utah
- Library Collection RecordTerminal infiltration rates under sagebrush canopies were about 35% higher than interspace areas at 3 study sites in northern New Mexico. Differences in infiltration rates among strata may largely be…Publication Date 1986-03-01
- deserts
- sediments
- ground cover
- tebuthiuron
- brush control
- chemical control
- runoff
- vegetation
- Artemisia tridentata
- rangelands
- canopy
- infiltration
- New Mexico
- soil texture
- Library Collection RecordNest site selection of the mountain plover (Charadrius montanus) was studied on the Charles M. Russell National Wildlife Refuge, Montana, during 1982. Vegetative characteristics of 26 nest sites, all…Publication Date 1985-05-01
- Charadriidae
- charadrius montanus
- charles m. russell national wildlife refuge, montana
- wildlife
- habitats
- vegetation
- Montana
- Library Collection RecordNutritional composition of sheep diets from a serpentine barrens range site was determined at various seasons and stages of plant growth and compared to diets from 3 other annual range sites. Sheep…Publication Date 1986-01-01
- serpentine soils
- nutrient contents of plants
- digestibility
- California
- sheep
- diet studies
- grazing behavior
- rangelands
- Library Collection RecordExpressing the effects of grazing animals on herbage requires explicitly defined variables describing herbage growth and herbage disappearance, as well as variables describing net changes in herbage…Publication Date 1986-01-01
- mathematics and statistics
- growth analysis
- regeneration
- biomass determination
- vegetation
- livestock
- grazing
- Library Collection RecordMuch of the farmland in the Canadian Prairie region has been abandoned over the years and allowed to revert to weedy cover and eventually to grassland. While some of the changes in vegetation during…Publication Date 1985-11-01
- agricultural land
- abandoned land
- soil organic matter
- grasslands
- reclamation
- ecological succession
- Saskatchewan
- Alberta
- vegetation
- semiarid zones
- land restoration
- soil chemistry
- rangelands
- Library Collection RecordPredation at the University of California Hopland Field Station was evaluated for an 11-year period beginning in 1973. Of those lambs placed on range, an average of 2.7% were killed each year by…Publication Date 1985-09-01
- coasts
- losses
- predators
- California
- sheep
- rangelands
- Library Collection RecordThe effects of grazing management systems on plant communities in the Great Basin are largely unknown. This study is a quantitative description of the response of vegetation from 1973 to 1983 on the…Publication Date 1986-03-01
- dominant species
- responses
- ecological succession
- vegetation
- rotational grazing
- plant communities
- range management
- botanical composition
- Nevada
- rangelands
- grazing
- Library Collection RecordEsophageal fistulation provides a well-documented standard for herbivore dietary composition studies against which other methods may be calibrated. Modified surgical procedures and animal husbandry…Publication Date 1985-01-01
- surgery
- esophageal fistula
- diet study techniques
- sheep
- Library Collection RecordFactors possibly associated with high (over 5%) and low (0-5%) predation intensities were compared among 95 sheep or goat producers in 5 states to determine if important differences were evident…Publication Date 1984-09-01
- losses
- predation
- ranching
- Idaho
- Oregon
- California
- sheep
- goats
- Texas
- North Dakota
- 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 1984-09-01
- climax communities
- classification
- vegetation
- Library Collection RecordBasal cover and standing crop of herbaceous vegetation were measured during 1979 and 1980 at 0.3-m intervals along transects radiating from individual lotebush canopies in each cardinal direction.…Publication Date 1984-07-01
- Ziziphus
- vegetation
- Texas
- 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 1984-09-01
- Peromyscus
- reclaimed land
- vegetation
- herbivores
- Wyoming
- Library Collection RecordSeventy-two Navajo ranchers were questioned about the role of mixed-breed dogs with their flocks. Navajos call their dogs "sheep dogs" but, unlike sheep dogs used by other ranchers to…Publication Date 1985-01-01
- coyotes
- predation
- ranching
- guard dogs
- sheep
- goats
- Arizona
- Library Collection RecordAbused rangelands dominated by introduced cool-season grasses and warm-season shortgrasses are common over much of the Mixed Prairie. Native decreaser species are primarily warm-season grasses and…Publication Date 1985-01-01
- pastures
- Nebraska
- prescribed burning
- vegetation
- prairies
- Library Collection RecordAnnual and perennial plant vegetation was sampled following a controlled burn (1981) and a wildfire (1980) in the Upper Sonoran Desert near Phoenix, Ariz. Perennial plant composition 1 year after…Publication Date 1984-11-01
- Upper Sonoran Desert
- Controlled Burn
- Shoot Surviviers
- Sprouters
- seeders
- Brittle Brush
- Encelia farinosa
- Invader Species
- Stickweed
- Stephanomeria exigua
- Four O'Clock
- Mirabilis bigelovii
- Bulldog Canyon
- herbaceous plants
- Woody Perennials
- vegetation responses
- Cacti
- Short Term
- annuals
- plant composition
- wildfire
- fire
- perennials
- vegetation
- Arizona
- Library Collection RecordSmall mammal populations were sampled annually over 4 years in native plant communities and improved rangeland types. All species of rodents were relatively less abundant where western wheatgrass was…Publication Date 1984-07-01
- rodents
- vegetation
- wildlife management
- rangelands
- Utah
- Library Collection RecordThe purpose of this study was to evaluate vegetation, soils, infiltration rates, and sediment production as they relate to livestock exclusion, continuous heavy grazing, continuous moderate grazing,…Publication Date 1984-11-01
- bare ground
- hydrologic response
- Fort Stanton
- Livestock Exclusion
- Continuous Heavy Grazing
- Continuous Moderate Grazing
- Fort Stanton Experimental Range
- foliar cover
- standing biomass
- microrelief
- infiltration rates
- sediment production
- litter cover
- Rotation Grazing
- organic matter
- grazing management
- soil
- vegetation
- New Mexico
- Library Collection RecordAn improved bag for collecting samples from esophageal fistulated ewes was tested. The new bag reduced the time required to fit it to the animal and to remove the collected forage. This material was…Publication Date 1984-09-01
- esophageal fistula
- diet study techniques
- sheep
- Library Collection RecordIn this study we investigated the variability of infiltration on native rangeland sites. A rainfall simulator was used to collect data on runoff from small (0.37 m2) plots located within large plot…Publication Date 1984-11-01
- Boise
- organic matter
- watersheds
- rainfall simulators
- Large Runoff Plots
- Unfenced
- Fenced
- Rototilling
- Antecedent Moisture
- hydrologic response
- Variability Patterns
- confidence intervals
- Reynolds Creek Experimental Watershed
- Plot Preparation
- variability
- soil texture
- rangelands
- infiltration
- bulk density
- vegetation
- Idaho
- vegetal cover
- Library Collection RecordThe influence of cattle grazing on selected vegetation and soil parameters were evaluated on a clay flat range site with shrub zonal, midgrass, and shortgrass communities in the Rolling Plains near…Publication Date 1984-07-01
- Plains
- soil
- pastures
- vegetation
- cattle
- Texas
- grazing
- Library Collection RecordTwelve permanent vegetation sampling plots were established on Greatheart and Church mesas in Zion National Park, Utah. Both relict mesas are surrounded by cliffs but contain the same variety of soil…Publication Date 1984-09-01
- forest trees
- natural resource management
- national parks
- vegetation
- Utah
- Library Collection RecordIndices of vegetation abundance, composition, and grazing were monitored for the grazing seasons of 1980-81 at Hays, Kans., in 2 pastures. One pasture was moderately grazed with yearling steers…Publication Date 1985-01-01
- strip grazing
- Buchloe dactyloides
- Kansas
- pastures
- vegetation
- Pascopyrum smithii
- Bouteloua gracilis
- rangelands
- Library Collection RecordEsophageal fistulation, stomach content analysis, fecal analysis, and forage utilization were compared as techniques for determining food habits of large herbivores. Each technique was evaluated…Publication Date 1983-05-01
- sheep
- Library Collection RecordEffects of 5-paddock rotational grazing and continuous grazing were monitored in 1977 and 1978 on an annual grass-subclover (Trifolium subterraneum) pasture. More forage was available to livestock…Publication Date 1983-07-01
- Subclover (Trifolium subterraneum) pasture
- sheep
- Oregon
- Library Collection RecordManagement of feral and Mouflon sheep and feral goats within the Mauna Kea Forest Reserve/Game Management area has been criticized as inadequate to prevent the adverse environmental impact which…Publication Date 1983-07-01
- Hawaii
- Sophora chrysophylla
- sheep
- goats
- Library Collection RecordRange trend is one of the basic components of rangeland inventories. Understanding the interactions between soil, climatic factors, and vegetation aids the range manager in determining and predicting…Publication Date 1983-05-01
- Arizona
- soil
- climatic factors
- vegetation
- Library Collection RecordExperimentors have been using cost-efficient systematically located transects in the line intercept method for some time with little support from mathematical statistics. In this paper, it is shown…Publication Date 1983-07-01
- vegetation
- forest floor
- Library Collection RecordFifteen independent variables consisting of circumference, surface area, and volume for various assumed shapes were derived from simple diameter and height measurements. These variables were used in…Publication Date 1982-07-01
- Idaho
- sheep
- Library Collection RecordThe concept of range condition is reanalysed in terms of the nature of changes in land and vegetation and the purpose of measurement. A new framework is outlined which presents range condition as an…Publication Date 1982-11-01
- animals
- Ammenity
- shrub encroachment
- biomass
- concepts
- ecology
- quantity
- water yield
- soil
- Factors
- measurements
- productivity
- classification
- composition
- range condition
- land
- vegetation
- frequency
- cover
- erosion
- soil stability
- Value
- Library Collection RecordConfusion exists over the proper statistical methodology to use in analyzing the effect of treatments on changes in botanical composition over time. A rationale for using multivariate statistics is…Publication Date 1983-03-01
- vegetation
- Library Collection RecordThis study considered the feasibility of supplementing crested wheatgrass (Agropyron cristatum Fisch.) forage with some common rangeland shrubs. The necessary proportions of shrub and grass in the…Publication Date 1982-11-01
- nutrient requirements
- Falle
- Early Winter
- digestible protein
- Nephi Field Station
- fourwing saltbush
- body weight
- Supplementation
- Range Shrubs
- energy
- shrubs
- Rabbitbrush
- protein
- sagebrush
- Agropyron cristatum
- sheep
- Utah
- crested wheatgrass
- Library Collection RecordA honey mesquite drainage habitat (20% of a 1,215-ha study pasture) was aerially sprayed with 1.1 kg/ha of 2,4,5-T + picloram in the spring. Adjacent habitats (blackbrush acacia uplands, creeping…Publication Date 1982-11-01
- honey mesquite
- aerial spraying
- herbicide treatments
- Mesquite Drainage
- Fecal Accumulation
- Camaron Ranch
- responses
- picloram
- white-tailed deer
- utilization
- vegetation
- Texas
- 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 RecordFollowing intensive study of soils and plant communities in the Princeton area of southern British Columbia, it became apparent that photo interpretation techniques could be used to greater advantage…Publication Date 1969-01-01
- Units
- Bedrock
- aerial photos
- Princeton
- Field Mapping Guides
- Physiographic
- chernozemic soils
- Tone
- Surficial Deposits
- Micro Features
- Soils Survey
- Vegeatative Zones
- plant communities
- patterns
- drainage
- topography
- interpretation
- surveys
- texture
- soil
- British Columbia
- land use
- rangelands
- classification
- relationships
- soils
- vegetation
- Library Collection RecordForbs consumed by cattle grazing native range had higher dry matter digestion coefficients and contained greater quantities of ash, calcium, phosphorus, crude protein, and total sugars, but contained…Publication Date 1968-01-01
- Sugars
- in vitro digestibility
- Phophorous
- Use Competition
- Scotts Bluff Experimental Range
- Bracted spiderwort
- Beggars Lice
- Skeletonplant
- Yucca Heads
- Sand Sage
- Alfalfa Standard
- Lambsquarters
- Sunflower Heads
- nutrients
- Digestion Coefficients
- calcium
- ash
- native ranges
- consumption
- dry matter
- chemical composition
- esophageal fistula
- crude protein
- grazing
- cattle
- vegetation
- forbs
- Nebraska
- 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 1967-09-01
- range manager
- objectives
- Trail Boss
- Trademark
- Dedication
- Responsibility
- Manipulation
- American Society of Range Management
- livestock
- vegetation
- training
- editorial
Pagination
- First page
- Previous page
- …
- 2
- 3
- 4
- 5
- 6
- …
- Next page
- Last page