Rangeland Ecology & Management
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Displaying 301 - 350 of 1307 results
- Library Collection Record
- grassland management
- grasslands
- grazing lands
- grazing systems
- livestock management
- pastoralism
- ecosystems
- biodiversity
- vegetation
- botanical composition
- livestock
- feeds
- transhumance
- Library Collection RecordPlant community and soil development were investigated on oil/gas drilling sites occupying both sagebrush and coniferous forest vegetation types in northwestern Wyoming. Sites ranged from 3 to 33…Publication Date 1988-09-01
- oil and gas wells
- coniferous forests
- soil analysis
- plant development
- disturbed soils
- plant community analysis
- reclamation
- ecological succession
- environmental impact reporting
- vegetation
- woody plants
- Wyoming
- rangelands
- Library Collection Record
- Geomorphology
- land use
- species
- research
- education
- afforestation
- reforestation
- rangelands
- grasslands
- forestry
- consumption
- forest products
- human population
- livestock
- production data
- Coniferales
- wood
- Forest Protection
- Forestry policies
- forests
- erosion
- flood control
- Agricultural and rural legislation
- universities
- Research institutions
- wood preservation
- Chemistry
- Wood technology
- testing
- climatic zones
- vegetation
- yields
- forest management
- Eucalyptus
- arid zones
- trends
- Library Collection Record
- sampling
- Grading
- felling
- stumps
- climatic zones
- costs
- vegetation
- production data
- Forestry equipment
- Forest surveys
- paper
- Soil sciences
- Cropping Systems
- ecology
- shifting cultivation
- erosion control
- photography
- climate
- species
- grassland management
- Land clearing
- water conservation
- soil conservation
- Scrub
- Library Collection RecordA lightweight quadrat frame for backcountry vegetation sampling is described. The frames are constructed of aluminum and disassemble for easy packing. The cost per frame is about $15. This material…Publication Date 1988-07-01
- backpacking
- frames
- equipment
- vegetation
- sampling
- rangelands
- Library Collection Record
- Forestry equipment
- housing
- wood
- hydrolysis
- forestry
- Services
- extension activities
- training
- species
- Scrub
- Forest products industry
- forests
- afforestation
- undergrowth
- weed control
- Bamboos
- Construction Materials
- rural areas
- engineering
- research
- Laboratory experimentation
- grassland management
- forest management
- watershed management
- wildlife
- management
- Operating Costs
- production possibilities
- land use
- Labour
- vegetation
- topography
- soil
- Rail transport
- Inland waterways
- Pulp and paper industry
- Library Collection Record
- wildlife
- silviculture
- natural regeneration
- artificial regeneration
- research
- Operating Costs
- management
- production data
- quarantine
- international cooperation
- Disease resistance
- sampling
- laboratories
- soil analysis
- nutrients
- climate
- environmental factors
- world
- grassland management
- regeneration
- forests
- Insecta
- biological control
- planning
- forestry
- Plant diseases
- forest trees
- fertility
- Forest Land
- site factors
- forecasting
- prices
- Exports
- imports
- Softwood
- Sawnwood
- Library Collection RecordThe objective of this research was to determine the effects of selected vegetation, soil, rock, and slope variables on infiltration of semiarid rangelands with slope gradients ranging from 0-70%.…Publication Date 1988-05-01
- rocks
- correlation
- semiarid soils
- rangeland soils
- soil depth
- hydrology
- vegetation
- slopes
- range management
- infiltration
- New Mexico
- soil water
- 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 Record
- Pests of animals
- development projects
- FAO
- CARICOM
- animal husbandry methods
- milk
- consumption
- demand
- Feed Crops
- Feed legumes
- Feed grasses
- sustainability
- grazing intensity
- grassland management
- feeding systems
- pest control
- small farms
- rangelands
- pastoralism
- milk production
- meat production
- productivity
- surveys
- vegetation
- environment
- transhumance
- Nutritional Requirements
- feeds
- nutritive value
- cattle
- stocking density
- livestock numbers
- overgrazing
- livestock
- grazing systems
- Feed production
- pastures
- Domestic buffaloes
- working animals
- animal feeding
- Amblyomma variegatum
- Tickborne diseases
- Dairy cattle
- dairy farms
- animal production
- 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 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 Record
- desertification
- forestry
- erosion control
- Forestry policies
- watershed management
- water harvesting
- case studies
- development projects
- Processing
- uses
- wood
- fuelwood
- charcoal
- Bamboos
- Gums
- Resins
- seeds
- oils
- drugs
- feeds
- foods
- Food technology
- hydrology
- Forest Protection
- rangelands
- Cultivated land
- Sahel
- planning
- Feed Crops
- Nature conservation
- policies
- Rural development
- research
- extension activities
- diffusion of information
- UNEP
- afforestation
- silvopastoral systems
- forest trees
- vegetation
- forest products
- wild animals
- Animal resources
- Game meat
- saline soils
- reclamation
- revegetation plants
- soil degradation
- Prosopis tamarugo
- forest management
- resource conservation
- national parks
- plant collections
- Germplasm conservation
- 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 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 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 Record
- Forestry equipment
- housing
- wood
- hydrolysis
- forestry
- Services
- extension activities
- training
- species
- Scrub
- Forest products industry
- forests
- afforestation
- undergrowth
- weed control
- Bamboos
- Construction Materials
- rural areas
- engineering
- research
- Laboratory experimentation
- grassland management
- forest management
- watershed management
- wildlife
- management
- Operating Costs
- production possibilities
- land use
- Labour
- vegetation
- topography
- soil
- Rail transport
- Inland waterways
- Pulp and paper industry
- 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 Record
- Climatic change
- temperature
- rain
- ultraviolet radiation
- carbon dioxide
- Ozone
- crops
- photosynthesis
- crop yield
- environmental impact
- simulation models
- food production
- plant physiology
- growth
- water availability
- soil fertility
- pollutants
- hydrology
- models
- case studies
- Nile River
- Lake Chad
- Caspian Sea
- evapotranspiration
- biomass
- seeds
- carbohydrates
- leaf area index
- stomata
- Plant water relations
- heat
- Temperature resistance
- Plant developmental stages
- Ozone depletion
- population growth
- Economic growth
- Famine
- risk
- plant response
- Environmental impact assessment
- agriculture
- forestry
- soil
- Cropping Systems
- pastures
- databases
- plant production
- water balance
- soil degradation
- food supply
- ecosystems
- Pollution by agriculture
- water resources
- soil chemicophysical properties
- transpiration
- Agricultural situation
- land use
- vegetation
- Library Collection Record
- wildlife
- silviculture
- natural regeneration
- artificial regeneration
- research
- Operating Costs
- management
- production data
- quarantine
- international cooperation
- Disease resistance
- sampling
- laboratories
- soil analysis
- nutrients
- climate
- environmental factors
- world
- grassland management
- regeneration
- forests
- Insecta
- biological control
- planning
- forestry
- Plant diseases
- forest trees
- fertility
- Forest Land
- site factors
- forecasting
- prices
- Exports
- imports
- Softwood
- Sawnwood
- 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 Record
- forestry
- case studies
- development projects
- Processing
- uses
- wood
- fuelwood
- charcoal
- Bamboos
- Gums
- Resins
- seeds
- oils
- drugs
- feeds
- foods
- Food technology
- hydrology
- Forest Protection
- desertification
- rangelands
- Cultivated land
- Sahel
- planning
- Feed Crops
- Nature conservation
- policies
- erosion control
- Forestry policies
- diffusion of information
- afforestation
- forest products
- Game meat
- revegetation plants
- watershed management
- water harvesting
- national parks
- Germplasm conservation
- Rural development
- research
- extension activities
- UNEP
- silvopastoral systems
- forest trees
- vegetation
- wild animals
- Animal resources
- saline soils
- reclamation
- soil degradation
- Prosopis tamarugo
- forest management
- resource conservation
- plant collections
- 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 Record
- Geomorphology
- land use
- species
- research
- education
- afforestation
- reforestation
- rangelands
- forestry
- grasslands
- consumption
- forest products
- human population
- livestock
- production data
- Coniferales
- wood
- Forest Protection
- Forestry policies
- forests
- erosion
- flood control
- Agricultural and rural legislation
- universities
- Research institutions
- wood preservation
- Chemistry
- Wood technology
- testing
- climatic zones
- vegetation
- yields
- forest management
- Eucalyptus
- arid zones
- trends
- Library Collection Record
- Geomorphology
- land use
- species
- research
- education
- afforestation
- reforestation
- rangelands
- forestry
- grasslands
- consumption
- forest products
- human population
- livestock
- production data
- Coniferales
- wood
- Forest Protection
- Forestry policies
- forests
- erosion
- flood control
- Agricultural and rural legislation
- universities
- Research institutions
- wood preservation
- Chemistry
- Wood technology
- testing
- climatic zones
- vegetation
- yields
- forest management
- Eucalyptus
- arid zones
- trends
- 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 Record
- sampling
- Grading
- felling
- stumps
- climatic zones
- costs
- vegetation
- production data
- Forestry equipment
- Forest surveys
- paper
- Soil sciences
- Cropping Systems
- ecology
- shifting cultivation
- erosion control
- photography
- climate
- species
- grassland management
- Land clearing
- water conservation
- soil conservation
- Scrub
- Library Collection Record
- sampling
- Grading
- felling
- stumps
- climatic zones
- costs
- vegetation
- production data
- Forestry equipment
- Forest surveys
- paper
- Soil sciences
- Cropping Systems
- ecology
- shifting cultivation
- erosion control
- photography
- climate
- species
- grassland management
- Land clearing
- water conservation
- soil conservation
- Scrub
- Library Collection RecordTebuthiuron [N-(5-(1,1-dimethylethyl)-1,3,4-thiadiazol-2-yl)-N,N′-dimethylurea] pellets (20% ai) were broadcast at 0.2 kg increments to 1.0 kg/ha onto a sand shinnery oak (Quercus havardii) community…Publication Date 1984-11-01
- Quercus havardii
- grass yield
- Rates
- tebuthiuron
- sand shinnery oak
- Oak Canopy
- herbicide treatments
- Southern High Plains
- control
- drought
- Texas
- management
- 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 Record
- wildlife
- silviculture
- natural regeneration
- artificial regeneration
- research
- Operating Costs
- management
- production data
- quarantine
- international cooperation
- Disease resistance
- sampling
- laboratories
- soil analysis
- nutrients
- climate
- environmental factors
- world
- grassland management
- regeneration
- forests
- Insecta
- biological control
- planning
- forestry
- Plant diseases
- forest trees
- fertility
- Forest Land
- site factors
- forecasting
- prices
- Exports
- imports
- Softwood
- Sawnwood
- 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 Record
- Forestry equipment
- housing
- wood
- hydrolysis
- forestry
- Services
- extension activities
- training
- species
- Scrub
- Forest products industry
- forests
- afforestation
- undergrowth
- weed control
- Bamboos
- Construction Materials
- rural areas
- engineering
- research
- Laboratory experimentation
- grassland management
- forest management
- watershed management
- wildlife
- management
- Operating Costs
- production possibilities
- land use
- Labour
- vegetation
- topography
- soil
- Rail transport
- Inland waterways
- Pulp and paper industry
- 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 Record
- livestock
- grazing
- desertification
- pastures
- vegetation
- erosion
- 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
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