Rangeland Ecology & Management
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- Library Collection RecordProbabilities of detecting frequency differences based on data obtained by random sampling were determined by computer simulation. Artificial, monotypic populations of known frequency were generated…Publication Date 1987-09-01
- hypothesis testing
- probability analysis
- frequency distribution
- computer simulation
- vegetation
- sampling
- botanical composition
- rangelands
- Library Collection RecordUnderstanding the temporal response of infiltration rate and interrill erosion to selected livestock grazing strategies is necessary for the continued soil and water conservation of rangeland.…Publication Date 1988-07-01
- water conservation
- soil water relations
- interrill erosion
- sediments
- grasslands
- runoff
- Texas
- range management
- livestock
- grazing
- infiltration
- Library Collection RecordCalculated reflectance factors and vegetation indices derived from radiometric reflectance measurements were used in regression analyses to test for a single relationship between canopy reflectance…Publication Date 1987-07-01
- reflectance
- radiometry
- remote sensing
- Agropyron desertorum
- leaf area index
- pastures
- vegetation
- rangelands
- canopy
- dry matter
- North Dakota
- Library Collection RecordLand managers have recommended burning or mowing big sacaton (Sporobolus wrightii) grassland in either fall or winter for 100 years. The greatest potential for natural fire would have occurred when…Publication Date 1988-01-01
- mowing
- seasons
- Sporobolus
- crop quality
- grasslands
- prescribed burning
- range management
- Arizona
- forage
- Library Collection RecordMost arid and semiarid rangeland plants form a mycorrhizal symbiosis with certain fungi through which the host plants absorb water and nutrients from the soil. Small mammals are known to disperse…Publication Date 1988-07-01
- mycorrhizal fungi
- spore dispersal
- symbiosis
- arid zones
- wildlife
- ecological succession
- vegetation
- mammals
- Oregon
- semiarid zones
- rangelands
- Library Collection RecordThe influence of individual broom snakeweed (Gutierrezia sarothrae [Pursh] Britt. & Rushby) plants on the distribution of buried viable seed and the distribution of plants in the field was…Publication Date 1987-09-01
- deserts
- distribution
- grasslands
- seedling emergence
- allelopathy
- Gutierrezia sarothrae
- seeds
- botanical composition
- New Mexico
- Library Collection RecordSoil ingestion ratios were estimated for 2 primary herbivore species utilizing a sagebrush ecosystem in southeastern Idaho to determine the relative importance of soil and vegetation pathways in…Publication Date 1988-03-01
- Idaho
- vegetation
- Lepus
- ingestion toxicity
- Antilocapra americana
- soil ingestion
- trace elements
- pollution
- Library Collection RecordThe objective of this study was to determine if a stratification of microsites within range communities could be used to effectively reduce sampling variation and hence sample size. Two grassland…Publication Date 1987-07-01
- microrelief
- drainage systems
- inventories
- stratification
- vegetation sampling
- stipa columbiana
- Hesperostipa comata
- plant community analysis
- Poa secunda
- British Columbia
- grasslands
- sampling
- Library Collection RecordChanges in vegetation under yearlong grazing were compared with those under the Santa Rita grazing system, a rotation system designed for southwestern US rangelands where 90% of the forage is…Publication Date 1988-07-01
- yield response functions
- grasslands
- vegetation
- rotational grazing
- semiarid zones
- plant density
- range management
- grazing
- Arizona
- Library Collection RecordTrends in canopy-coverage of vegetation and bare ground were measured inside and outside exclosures on recent burns within three-pasture rest-rotation and season-long grazing systems over a 10-year…Publication Date 1987-09-01
- ground cover
- ecological succession
- vegetation
- cattle
- Montana
- grazing
- Library Collection RecordInfluences of grazing intensity on species composition and herbage production of grass-woodland and improved grassland subtypes of annual range were evaluated over a 5-year period in coastal northern…Publication Date 1987-03-01
- grassland utilization
- grasslands
- responses
- yields
- productivity
- grazing intensity
- California
- sheep
- botanical composition
- rangelands
- grazing
- forage
- Library Collection RecordAn 8-year (1961-1968) study at the San Joaquin Experimental Range, in the Sierra Nevada foothills in central California, compared continuous, repeated seasonal, and rotated seasonal grazing on native…Publication Date 1986-11-01
- annuals
- grasslands
- liveweight gain
- responses
- grazing experiments
- reproductive performance
- California
- cattle
- rangelands
- grazing
- Library Collection RecordTraditional methods of monitoring brush canopies such as ground survey and aerial photography are not cost effective for large areas. This experiment compared photo-estimated brush canopy closure to…Publication Date 1986-05-01
- brushwood and scrub
- multispectral scanning system
- Landsat
- biomass determination
- remote sensing
- brush control
- indexes
- vegetation
- Texas
- rangelands
- canopy
- Library Collection RecordThree rodenticide treatments, zinc phosphide (prebaited) and strychnine (both with and without prebait), were evaluated immediately following treatment for efficacy of controlling black-tailed…Publication Date 1986-07-01
- rodent control
- zinc phosphide
- strychnine
- rodents
- Cynomys ludovicianus
- grasslands
- South Dakota
- semiarid zones
- Library Collection RecordPerennial grasses were seeded by drilling or broadcasting on 4 mechanical and 3 herbicidal weed control and/or seedbed preparation treatments at 4 semidesert grassland sites invaded by creosotebush (…Publication Date 1986-11-01
- Larrea tridentata
- crop establishment
- seedbed preparation
- deserts
- broadcasting
- Eragrostis
- pesticide application
- grasslands
- Mexico
- drilling
- perennials
- weed control
- Poaceae
- Arizona
- Library Collection RecordArthropods were sampled in pitfall traps for 2 yr on bentonite mine spoils and adjacent, unmined big sagebrush (Artemisia tridentata) grasslands in southeastern Montana to assess the impacts of…Publication Date 1987-03-01
- mine spoil
- bentonite
- colonizing ability
- mined soils
- arthropods
- grasslands
- reclamation
- Artemisia tridentata
- land restoration
- Montana
- Library Collection RecordBetween 1915 and 1932, 104 permanent 1 × 1-m quadrats were established on grasslands of the Jornada Experimental Range in southern New Mexico. Primary- and secondary-dominant species were determined…Publication Date 1987-03-01
- plant ecological groups
- scleropogon brevifolius
- Bouteloua eriopoda
- deserts
- Hilaria mutica
- grasslands
- dominant species
- plant ecology
- ecological succession
- woody plants
- Poaceae
- range management
- New Mexico
- Library Collection RecordMany studies have been made, and continue to be conducted, to determine infiltration rates and sediment production on rangelands. Most of these studies use small sample plots (<2 m2). This study…Publication Date 1987-05-01
- hydrology
- sediments
- soil erosion
- grasslands
- sampling
- rangelands
- infiltration
- New Mexico
- 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 RecordA 3-year study of the vegetation in 4 livestock exclosures was begun in 1976 in the mixed grass prairie of southwestern North Dakota. Three of the exclosures were established in 1937 and the fourth…Publication Date 1986-09-01
- plant community analysis
- grasslands
- ecological succession
- range management
- botanical composition
- zero grazing
- North Dakota
- 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 RecordInadequate data have existed concerning cattle preferences for fourwing saltbush [Atriplex canescens (Pursh) Nutt.] on ranges where it is dominant, and concerning composition of cattle diets on the…Publication Date 1985-09-01
- feeding habits
- grasslands
- Atriplex canescens
- animal nutrition
- cattle
- seasonal variation
- Colorado
- 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 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 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 RecordChanges in botanical composition and productivity of total herbage and 14 categories of annual range plants caused by elemental sulfur fertilization, range site, and precipitation were studied. Total…Publication Date 1985-03-01
- sulfur fertilizers
- grasslands
- productivity
- pastures
- California
- botanical composition
- Library Collection RecordSpatial patterns of cattle resting behavior were investigated on shortgrass steppe. Resting was divided into daytime and nighttime categories. Sites selected for daytime resting during June through…Publication Date 1985-07-01
- resting sites
- thermoregulation
- selection criteria
- grasslands
- steppes
- animal behavior
- environmental factors
- cattle
- Colorado
- 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 RecordAn experiment to evaluate 59 long-term leafy spurge (Euphorbia esula L.) management alternatives with resulting forage production was established at 4 sites in North Dakota in 1980. The herbicides…Publication Date 1985-09-01
- Euphorbia esula
- grasslands
- herbicides
- weed control
- crop production
- forage
- North Dakota
- poisonous plants
- Library Collection RecordThe effect of fall application of urea fertilizer on toxicity of timber milkvetch was examined in 2 growing seasons at 2 rangeland sites in southern British Columbia. On the grassland site, aerial…Publication Date 1986-03-01
- urea fertilizers
- miserotoxin
- Astragalus
- toxicity
- British Columbia
- forests
- grasslands
- plant analysis
- chemical constituents of plants
- poisonous plants
- Library Collection RecordThree models, CREAMS, SPAW, and ERHYM, were used to predict evapotranspiration (ET) from a sagebrush-grass range site in southwest Idaho. Model-predicted ET was compared with ET measured by a…Publication Date 1986-01-01
- artemisia arbuscula
- Elymus elymoides
- Poa secunda
- simulation models
- evapotranspiration
- Artemisia
- grasslands
- plant ecology
- Idaho
- rangelands
- soil water
- 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 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 RecordHerbage production and precipitation were determined at 13 locations in 483 ha of mixed grass range 1975-1979; production was determined at all locations 1982-1983, but precipitation was measured…Publication Date 1985-11-01
- biological production
- soil
- biomass determination
- soil types
- grasslands
- precipitation
- Wyoming
- rangelands
- forage
- Library Collection RecordCrested wheatgrass (Agropyron cristatum (L.) Gaertn.) and Russian wildrye (Elymus junceus Fisch.) are used extensively as seeded pastures in the Prairie Provinces of Canada. Rangeland plowed in 1954…Publication Date 1985-09-01
- Psathyrostachys juncea
- grasslands
- soil fertility
- Agropyron cristatum
- Alberta
- crop yield
- prairie soils
- forage
- 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 RecordTannins and other phenolics interfere with the interpretation of results from the detergent system of forage analysis. Leaves and apices from browse can contain up to 50% of their organic matter as…Publication Date 1986-01-01
- grasslands
- browse plants
- plant analysis
- botanical surveys
- phenolic content
- fiber content
- Kenya
- tannins
- forage
- Library Collection RecordAmerican licorice (Glycyrrhiza lepidota Pursh) is a widespread native legume that may have potential forage or soil conservation uses. Seed predation, seedling emergence, and rhizome production were…Publication Date 1985-09-01
- seed injury
- acanthoscelides fraterculus
- Glycyrrhiza lepidota
- Acanthoscelides
- soil conservation
- forage legumes
- rhizomes
- grasslands
- seedling emergence
- South Dakota
- establishment
- North Dakota
- Library Collection RecordLeaving an amount of mulch at the end of the grazing period, before the new growing season starts is vital in maintaining productivity in grasslands on a sustained yield basis. Mulch was expressed as…Publication Date 1985-05-01
- stubble mulching
- forage crops
- Greece
- grasslands
- yields
- climatic factors
- grazing
- 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 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 RecordPrescribed burns were carried out in mountain shrub and grassland communities in the montane zone of the Rocky Mountains in Colorado. Nitrogen mineralization rate was increased 1 year after the burn…Publication Date 1984-09-01
- seasonal growth
- nitrogen mineralization
- nitrogen fixation
- grasslands
- fires
- fire effects
- mountain grasslands
- Colorado
- 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 RecordAmounts of sediment per runoff event from grassland watersheds in the Texas Blackland Prairie, Southern High Plains, Central Rolling Red Prairies, and Central Rolling Red Plains land resource areas…Publication Date 1984-07-01
- soil sedimentation
- Plains
- watersheds
- soil erosion
- grasslands
- Texas
- 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