Rangeland Ecology & Management
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Displaying 51 - 100 of 259 results
- Library Collection RecordWe assessed causes of pre-senile mortality among working guarding dogs, and its effects on their management and cost. A population of 449 livestock guarding dogs in 31 states showed no differences in…Publication Date 1986-07-01
- costs and returns
- predator control
- accidents
- culling
- guard dogs
- sheep dogs
- mortality
- United States
- 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 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 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 RecordAn automated rainout shelter was constructed at the Northern Great Plains Research Laboratory, Mandan, N. Dak., for use in conducting controlled water research to gain a better understanding of soil-…Publication Date 1985-07-01
- automatic control
- Great Plains
- plant-water relations
- shelters
- soil water relations
- rain
- semiarid zones
- United States
- 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 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 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 RecordChanges in basal cover of vegetation were predicted in response to variation in precipitation and grazing intensity. Multiple regression analysis was used with basal cover as a dependent variable and…Publication Date 1985-07-01
- Great Plains
- plant development
- plant ecology
- precipitation
- grazing intensity
- climatic factors
- United States
- 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 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 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 RecordA series of experiments was conducted during 1978, 1979, and 1980 to screen selected cultivars of grasses and legumes for their adaptation and performance under a multiple harvest system in a shaded…Publication Date 1984-05-01
- United States
- 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 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 RecordDogs used to protect domestic sheep from predators are expected to be attentive to the animals they guard. However, 40% of the sheep producers cooperating in our experimental program to assess the…Publication Date 1983-05-01
- Italy
- United States
- Library Collection RecordDomestic goats were used to modify the growth form of blackbrush, a spinescent shrub occurring in nearly monospecific stands on several million hectares of rangeland in the southwestern United States…Publication Date 1983-07-01
- United States
- Coleogyne ramosissima
- rangelands
- Library Collection RecordInvestigations following a wildfire near Kamloops, B.C., indicated that, contrary to reported experiences in the United States, gray rabbitbrush (Chrysothamnus nauseosus) is susceptible to fire in…Publication Date 1983-09-01
- British Columbia
- United States
- Library Collection RecordDesert saltgrass [Distichlis spicata var. stricta (Torr.) Beetle] is an important forage species of the saline-alkali basins of the western United States. Revegetation of disturbed sites using…Publication Date 1983-07-01
- United States
- Distichlis spicata
- forage species of the saline-alkali basins of the western United States
- soil moisture potentials
- temperature
- 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 RecordThe toxicity of duncecap larkspur (Delphinium occidentale Wat.) was measured by a mouse bioassay and correlated relative to total alkaloid concentration for 5 samples during one season of plant…Publication Date 1983-09-01
- United States
- Library Collection RecordBroomsedge (Andropogon virginicus L.) is generally looked upon with some disfavor as a weed but has been utilized for grazing. Liquid digested sludge (LDS) has been tested as a fertilizer on tree…Publication Date 1983-11-01
- United States
- Library Collection RecordThe seasonal change of dry matter (DM) yield, estimated in vivo dry matter digestibility (DMD), and crude protein content of the vegetative and floral tillers of 'Rosana' western wheatgrass…Publication Date 1983-05-01
- Plains
- United States
- Rosana western wheatgrass
- Agropyron smithii
- Lodorm green needlegrass
- Stipa viridula
- grazing management for native rangeland
- Library Collection RecordDomestic goat browsing was used to stimulate twig production by blackbrush. Precipitation, soil depth and stoniness, branch location, and the number of years of browsing and rest from browsing…Publication Date 1983-07-01
- United States
- Coleogyne ramosissima
- rangelands
- 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 RecordRegulatory guidelines establish maximum allowable boron concentrations for mine reclamation soils and overburden. However, these toxic levels are based upon research performed on boron-sensitive crop…Publication Date 1983-09-01
- United States
- 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 RecordThe periodical ravages of locusts and grasshoppers have been sufficiently documented through history that it is easy to appreciate the seriousness of such outbreaks. We believe, however, that most…Publication Date 1983-03-01
- United States
- Library Collection RecordThe first known introduction of crested wheatgrass into North America was made in 1898 by N.E. Hansen of the South Dakota Agricultural Experiment Station from the Valuiki Experiment Station about 150…Publication Date 1983-01-01
- United States
- Agropyron cristatum
- Agropyron desertorum
- 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 RecordPrescribed burning was conducted in the fall and spring to evaluate the effects of fire on productivity of 3 forage species. Yield measurements were obtained throughout the growing season at biweekly…Publication Date 1983-03-01
- Plains
- United States
- western wheatgrass
- blue grama
- Bouteloua gracilis
- threadleaf sedge
- Carex filifolia
- Library Collection RecordIndian ricegrass [Oryzopsis hymenoides (Roem. and Schult.) Ricker] is an excellent native species for revegetation of coal and oil shale sites. However, inadequate germination due to a high seed…Publication Date 1983-03-01
- Canada
- United States
- revegetation
- forage crops
- Library Collection RecordThe importance of erosion on rangelands has been recognized for many years. However, the impact of erosion on site productivity (choose your own index of productivity) has not been quantified to any…Publication Date 1982-11-01
- United States
- Library Collection RecordA study has been made of the vegetational condition of a formerly grazed area, Chesler Park, in Canyonlands National Park. A comparison was made with the same area 10 years earlier. The 10-year…Publication Date 1983-01-01
- United States
- Canyonlands National Park
- 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 RecordSimple methods for estimating standing biomass in a stand of tree legumes containing the genera Prosopis, Cercidium, Olneya, Leucaena, and Parkinsonia are reported. Fresh and dry biomass were related…Publication Date 1982-01-01
- United States
- Library Collection RecordCrupina vulgaris, crupina, a member of the Compositae family, is a recently introduced threat to the rangelands of Idaho. It is a competitive winter annual which, when established, develops nearly…Publication Date 1981-11-01
- Idaho
- United States
- Library Collection RecordThe age, density, and fire history of western juniper (Juniperus occidentalis Hook.) trees growing on range sites of contrasting potentials were investigated. The 1,000-ha study area consisted of 65…Publication Date 1981-11-01
- United States
- Library Collection RecordLarge individual plants within a few species of rangeland shrubs were studied in several Intermountain States for their potential use in establishing biomass fuel energy plantations. Their locations…Publication Date 1982-01-01
- United States
- Library Collection RecordPerennial grasses are difficult to establish from seed in the Southern Great Plains. The conventional planting practice is to plant grass seeds 1 to 2 cm deep in the soil; but that soil layer often…Publication Date 1982-05-01
- Plains
- United States