Rangeland Ecology & Management
Get reliable science
Toggle Search
Result Type
Collection
Keywords
Document Type
Displaying 101 - 150 of 983 results
- Library Collection RecordAccurate and efficient monitoring of habitat structure on rangelands is important for understanding wildlife responses to land management practices. Unfortunately, studies of wildlife responses to…Publication Date 2002-09-01
- stand structure
- shrublands
- visual obstruction
- Artemisia filifolia
- dimensions
- angle of obstruction
- cone of vulnerability
- habitat structure
- landscape ecology
- habitats
- understory
- Quercus havardii
- Oklahoma
- plant density
- Texas
- canopy
- cone of vulnerability
- gallinaceous bird
- sand shinnery
- vegetation structure
- visual obstruction
- patchiness
- heterogeneity
- Library Collection RecordSome recent investigations have shown the visual obstruction (VO) measurement method to be an effective means of estimating herbage standing crop non-destructively in tallgrass prairie. Although the…Publication Date 2002-09-01
- tallgrass prairie
- mixed prairie
- rapid methods
- visual obstruction
- Buchloe dactyloides
- estimation
- shortgrass prairie
- Bouteloua gracilis
- grazing intensity
- Texas
- prairies
- biomass
- mixed prairie
- non-destructive sampling
- Robel pole
- shortgrass
- tallgrass
- Library Collection RecordBlack-tailed prairie dogs have declined by 98% in the past century. Due to continued declines, the U. S. Fish and Wildlife Service designated the species as a candidate for listing in 2000. Prairie…Publication Date 2002-09-01
- Aristida purpurea
- Cynomys ludovicianus
- Bouteloua curtipendula
- Buchloe dactyloides
- habitats
- Kansas
- species diversity
- shortgrass prairie
- vegetation
- Bouteloua gracilis
- plant density
- botanical composition
- canopy
- Colorado
- black-tailed prairie dogs
- Cynomys ludovicianus
- cover
- bare ground
- frequency
- shortgrass prairie
- herbivory
- soil disturbance
- Library Collection RecordFires were once a natural part of most savanna ecosystems, but lack of fine fuel and an active suppression policy have changed fire frequency and seasonality. Re-introducing fires to these systems…Publication Date 2002-09-01
- fire intensity
- Acacia
- shrublands
- Prosopis glandulosa
- brush control
- savannas
- ecological succession
- population structure
- shortgrass prairie
- prescribed burning
- forbs
- plant density
- Texas
- botanical composition
- canopy
- grasses
- fire frequency
- seasonality
- prescribed burns
- Prosopis glandulosa
- Acacia
- detrended correspondence analysis
- ordination
- Library Collection RecordIn this paper, the linkage between streamflow and shrub cover on rangelands is examined, with a focus on the extensive Texas rangelands dominated by mesquite and juniper. The conclusions drawn are…Publication Date 2002-07-01
- semiarid soils
- stream flow
- subsurface flow
- groundwater flow
- water yield
- Prosopis
- evapotranspiration
- watersheds
- brush control
- watershed hydrology
- runoff
- precipitation
- Texas
- range management
- Juniperus
- water yield
- range hydrology
- runoff
- shrub control
- ecohydrology
- stream flow
- semiarid
- Library Collection RecordIn 1992 and 1993, pastures of WW-Spar Old World bluestem (Bothriochloa ischaemum L.) were maintained at 2 levels of soil water, rainfall and rainfall plus 25 mm/week of supplementary irrigation. At…Publication Date 2002-05-01
- irrigated conditions
- irrigated pastures
- leaves
- ratios
- stems
- continuous grazing
- Bothriochloa ischaemum
- rain
- leaf area index
- steers
- tillering
- grazing intensity
- plant density
- Texas
- biomass
- plant height
- soil water
- Bothriochloa ischaemum
- continuous variable stocking
- herbage allowance
- Library Collection RecordThe Rangelands archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact lbry-journals@email.arizona.edu for further information. Migrated from…Publication Date 2002-04-01
- quantitative analysis
- agricultural statistics
- vegetation
- statistical analysis
- rangelands
- range management
- Library Collection RecordSoil erosion is the primary cause of irreversible loss of soil productivity on most rangelands. In northeastern Patagonia, the increase in soil erosion has been closely associated with the increase…Publication Date 2002-01-01
- soil pore system
- gravel
- grassland condition
- water erosion
- steppes
- runoff
- rainfall simulators
- plant communities
- shrubs
- losses from soil
- sediment yield
- plant litter
- Argentina
- canopy
- infiltration
- bulk density
- vegetation
- litter
- gravel cover
- shrub
- grass
- shrub-grass steppes
- organic matter removal
- rainfall simulators
- infiltration rates
- Library Collection RecordPhreatophytes are trees and shrubs with deep roots tapping the water tables. As such they are presumed to be able to tolerate a water deficit in the top soil. Growth of some phreatophytes is…Publication Date 2002-01-01
- Tamarix gallica
- weed biology
- diurnal variation
- stomatal conductance
- drought tolerance
- carbon dioxide
- root systems
- photosynthesis
- gas exchange
- precipitation
- xylem water potential
- semiarid zones
- Texas
- introduced species
- phreatophytes
- water relations
- gas exchange
- drought tolerance
- Tamarix gallica L.
- Library Collection RecordThis article analyses land use and vegetation change in the savanna contexts of central Zimbabwe and coastal Ghana. The results of analyses based on field surveys, time series aerial photographs/…Publication Date 2002
- Africa
- vegetation
- GIS
- Narrative
- Multi-directional change
- Patch dynamic change
- Africa
- Library Collection RecordABSTRACT This paper summarises the historical development of point -based monitoring systems in Central Australia and the soil and vegetation changes that have been observed. Three main point -…Publication Date 2002
- monitoring techniques
- rangelands
- soil
- vegetation
- Australia
- Central Australia
- Library Collection RecordAbstract not Available.Publication Date 2002
- vegetation
- Pests
- rangelands
- Data
- research
- projects
- management
- pastoral zone
- Western Australia
- Library Collection RecordAbstract not Available.Publication Date 2002
- monitoring
- vegetation
- rangelands
- projects
- networks
- analysis
- density
- species
- Pressure
- grazing
- Bioregion
- Southern Australia
- Station
- Library Collection RecordAnalyses of 223 Western Australian Rangeland Monitoring System (WARMS) sites in the Gascoyne- Murchison region of Western Australia show improvements in perennial vegetation and hence range condition…Publication Date 2002
- rangelands
- monitoring
- vegetation
- systems
- soil
- analysis
- site
- Spices
- changes
- Western Australia
- Library Collection RecordAbstract not Available.Publication Date 2002
- vegetation
- monitoring
- paddocks
- case studies
- floodplains
- remote sensing
- satellite imagery
- riparian zones
- trees
- biomass
- projects
- changes
- Pastoralists
- Western Australia
- Library Collection RecordAbstract not available.Publication Date 2002
- vegetation
- management
- salinity
- sustainability
- forests
- ecosystems
- data analysis
- Land Manager
- South Western Queensland
- Library Collection RecordAbstract not available.Publication Date 2002
- woodlands
- fires
- savannas
- management techniques
- paddocks
- vegetation
- Northern Queensland
- Library Collection RecordAbstract not Available.Publication Date 2002
- rangelands
- mining
- water
- climate change
- landscape
- vegetation
- exploration
- changes
- Kalgoorlie
- Western Australia
- Library Collection RecordThe Rangelands archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact lbry-journals@email.arizona.edu for further information. Migrated from…Publication Date 2001-12-01
- demonstration farms
- efficacy
- pricklypear
- Prosopis glandulosa
- application methods
- technology transfer
- agricultural education
- brush control
- Juniperus
- costs and returns
- Texas
- rangelands
- range management
- weed control
- Library Collection RecordChanging landowner demographics and the increasing recognition that some quantity of woody plants is valuable for certain rangeland management objectives has led to increasing interest in selective…Publication Date 2001-11-01
- control methods
- innovation adoption
- U.S. Cooperative Extension Service
- extension agents
- information dissemination
- extension education
- Juniperus ashei
- geographical variation
- Opuntia
- Juniperus pinchotii
- Prosopis glandulosa
- landowners
- brush control
- herbicides
- weed control
- chemical control
- Texas
- agency and industry partnership
- brush management
- collaborative marketing
- information dissemination
- technology adoption
- Library Collection RecordExcessive cover of juniper (Juniperus pinchotii Sudw.) reduces forage production, interferes with livestock management, and diminishes the watershed and wildlife habitat values of rangelands. We…Publication Date 2001-11-01
- basal area
- Juniperus pinchotii
- Bouteloua curtipendula
- Buchloe dactyloides
- Hilaria mutica
- soil temperature
- Prosopis glandulosa
- soil fertility
- invasion
- weed control
- seedlings
- growth rate
- Texas
- botanical composition
- plant competition
- canopy
- plant height
- competition
- facilitation
- mesquite rangeland
- seedling establishment
- Library Collection RecordThis paper presents a comparative simulation analysis of the economics of prescribed fire and aerially applied root-killing herbicide treatment as methods for maintaining livestock productivity on…Publication Date 2001-09-01
- livestock numbers
- carrying capacity
- Prosopis glandulosa
- cost analysis
- cost-benefit analysis
- brush control
- herbicides
- chemical control
- prescribed burning
- Texas
- wildlife management
- grazing
- brush management
- bioeconomics
- natural resource accounting
- prescribed burning
- root-killing herbicide
- Library Collection RecordKnowledge of the rate woody plant canopy cover increases is essential for understanding the ecology of rangeland plant communities, determining the economic feasibility of brush management practices…Publication Date 2001-09-01
- aerial photography
- chaining
- grubbing
- Juniperus pinchotii
- carrying capacity
- soil types
- brush control
- rain
- biomass production
- grazing intensity
- Texas
- canopy
- forage
- Juniperus pinchotii
- mechanical brush control
- aerial photography
- line transects
- juniper management
- herbage production
- Library Collection RecordSome grasses harbor endophytic fungi living in intercellular spaces in the leaves, stems and reproductive organs. The fungi can dramatically affect the physiology and ecology of plants. For example,…Publication Date 2001-07-01
- Elymus canadensis
- mutualism
- colonization
- host plants
- Iowa
- plant physiology
- toxins
- plant-water relations
- leaves
- Illinois
- Missouri
- stems
- Kansas
- plant ecology
- incidence
- Nebraska
- herbivores
- Oklahoma
- tillers
- Texas
- prairies
- geographical distribution
- Acremonium
- endophytes
- Elymus canadensis
- Epichlo typhina
- Neotyphodium
- geographical pattern
- mutualism
- tallgrass prairie
- Library Collection RecordA classification of dietary structural types that represents different arrangements of forage classes is proposed. It may be especially useful for interpreting and comparing herbivore diets from…Publication Date 2001-07-01
- Lama guanicoe
- feces composition
- pastures
- selective grazing
- species differences
- vegetation
- feeds
- digestibility
- sheep
- goats
- cattle
- seasonal variation
- Argentina
- botanical composition
- forage
- diet botanical composition
- conceptualization
- forage classes
- microhistological analysis
- multivariate analysis
- similarity of diets
- Library Collection RecordThe Rangelands archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact lbry-journals@email.arizona.edu for further information. Migrated from…Publication Date 2001-06-01
- California
- controlled grazing
- grasses
- vegetation
- artemisia arbuscula
- atrazine
- Taeniatherum caput-medusae
- 2,4-D
- Library Collection RecordThe Rangelands archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact lbry-journals@email.arizona.edu for further information. Migrated from…Publication Date 2001-06-01
- rangelands
- United States
- range management
- grazing
- trends
- land productivity
- vegetation
- range condition
- fodder plants
- Library Collection RecordGoats consume juniper, but toxic terpenoids within the plant limit intake. Our objective was to determine if dosing goats with the adsorptive compound activated charcoal would increase juniper…Publication Date 2001-05-01
- Juniperus ashei
- charcoal
- Juniperus pinchotii
- browse
- adaptation
- terpenoids
- goats
- Texas
- forage
- feed intake
- feeding preferences
- Juniperus
- J. ashei
- J. pinchotii
- Capra
- experience
- preference
- toxicosis
- feedback
- aversions
- browsing
- Library Collection RecordPrevious authors have described nesting habitat of the northern bobwhite (Colinus virginianus) throughout its range, but few have compared structural or compositional differences of vegetation…Publication Date 2001-05-01
- nests
- weather
- visibility
- habitat selection
- Colinus virginianus
- ground cover
- habitats
- predators
- reproductive performance
- vegetation
- woody plants
- Oklahoma
- botanical composition
- grasses
- bobwhite
- Colinus virginianus
- gallinaceous
- habitats
- northern
- quail
- upland game
- Library Collection RecordRedberry juniper (Juniperus pinchotii Sudw.) is a noxious shrub or small tree that invades rangelands in northwest Texas. Field reflectance measurements showed that redberry juniper had lower visible…Publication Date 2001-05-01
- infrared radiation
- detection
- color
- aerial photography
- Weeds
- reflectance
- Juniperus pinchotii
- Infestation
- remote sensing
- shrubs
- plant density
- Texas
- botanical composition
- color-infrared photography
- reflectance
- digital image anaysis
- accuracy assessment
- Juniperus
- Library Collection RecordIt is necessary to quantify rates of woody plant encroachment on southwestern USA rangelands to determine the economic feasibility of treatments designed to manage these plants. This study observed…Publication Date 2001-03-01
- area
- plowing
- root plowing
- woody weeds
- ground cover
- Prosopis glandulosa
- brush control
- precipitation
- spatial distribution
- Texas
- canopy
- honey mesquite
- Prosopis
- density
- shrub encroachment
- aerial photography
- image analysis
- Library Collection RecordPlacing basins in rangeland seedbeds to capture rainfall has enhanced seeded grass establishment, but it has not been practical on debris-littered land following rootplowing for brush control. A disk…Publication Date 2001-03-01
- disc cultivators
- chain diking
- disk chaining
- chains
- Panicum coloratum
- sowing
- seedbed preparation
- grassland improvement
- Prosopis glandulosa
- brush control
- Bothriochloa ischaemum
- precipitation
- plant density
- Texas
- seedbeds
- rangeland seeding
- brush control
- honey mesquite
- Prosopis glandulosa
- Library Collection RecordWoody cover, when expressed at the scale of the 207 km2 Cusenbary Draw basin, remained unchanged (approximately 23%) from 1955 to 1990. When expressed at the scale of range sites, woody cover…Publication Date 2001-03-01
- soil depth
- water yield
- water balance
- multiple use
- landscapes
- watershed management
- evapotranspiration
- Prosopis glandulosa
- brush control
- runoff
- woody plants
- precipitation
- spatial distribution
- Texas
- range management
- botanical composition
- Juniperus
- rangelands
- brush management
- evapotranspiration
- GIS and remote sensing
- hydrologic modeling
- semiarid rangelands
- Library Collection RecordThe Rangelands archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact lbry-journals@email.arizona.edu for further information. Migrated from…Publication Date 2001-02-01
- plant communities
- Arizona
- treatment
- woody plants
- vegetation
- chaparral
- long term experiments
- Library Collection RecordAssessment of herbaceous standing crop in heterogeneous range plant communities requires large numbers of samples to account for inherent variability. The dry-weight-rank method (DWR) was developed…Publication Date 2001-01-01
- mixed prairie
- ranking
- rapid methods
- Juniperus pinchotii
- Prosopis glandulosa
- stand characteristics
- estimation
- sampling
- Texas
- prairies
- biomass
- botanical composition
- dry matter
- botanical composition
- estimation
- landscapes
- standing crop proportion
- Library Collection RecordLittle information is available about seasonal application and carry-over effects of biosolids application to semi-arid grasslands. Biosolids rates of 0 (control), 7, 18, or 34 Mg ha-1 were topically…Publication Date 2001-01-01
- irrigated conditions
- sewage sludge
- waste disposal
- land application
- timing
- grassland improvement
- Hilaria mutica
- mineral content
- semiarid grasslands
- rain
- nitrogen content
- application rates
- Texas
- crop yield
- Hilaria mutica
- Chihuahuan desert grassland
- biosolids surface-application
- biosolids land-application
- irrigation
- standing crop
- forage quality
- carry-over effects
- Library Collection RecordThis series of four papers studies the complex dynamics of water-controlled ecosystems from the hydro-ecological point of view [e.g., I. Rodriguez-Iturbe, Water Resour. Res. 36 (1) (2000) 3–9].…Publication Date 2001
- soil moisture
- vegetation
- ecohydrology
- stochastic processes
- hydrology
- water stress
- water balance
- savanna
- grasslands
- Crossing analysis
- Africa
- Library Collection RecordAbstract not available.Publication Date 2001
- soil moisture
- vegetation
- ecohydrology
- stochastic processes
- hydrology
- water stress
- water balance
- savanna
- grasslands
- Crossing analysis
- Africa
- Library Collection RecordThe Rangelands archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact lbry-journals@email.arizona.edu for further information. Migrated from…Publication Date 2000-10-01
- cost analysis
- Juniperus
- Texas
- prescribed burning
- Library Collection RecordThe Rangelands archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact lbry-journals@email.arizona.edu for further information. Migrated from…Publication Date 2000-08-01
- Mongolia
- pastoral society
- resource conservation
- vegetation
- national parks
- wildlife
- livestock
- rangelands
- Library Collection RecordRunoff hydrographs from 3 separate rainfall simulation runs at 11 different shortgrass prairie sites were evaluated to determine the hydrologic similarity within a single ecosystem at widely…Publication Date 2000-07-01
- loam soils
- clay soils
- steppe soils
- range condition
- rain
- South Dakota
- runoff
- sandy loam soils
- rainfall simulators
- Texas
- prairies
- biomass
- plant litter
- rangelands
- canopy
- New Mexico
- Colorado
- runoff
- rainfall simulation
- hydrograph
- time-to-peak
- Library Collection RecordThe Rangelands archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact lbry-journals@email.arizona.edu for further information. Migrated from…Publication Date 2000-02-01
- lakes
- playa soils
- pollen analysis
- Pleistocene era
- paleoecology
- climate change
- botanical composition
- natural grasslands
- Texas
- Library Collection RecordWater yield from rangeland on the Edwards Plateau, Texas is significantly greater if a site is dominated by grass instead of brush. Brush control programs are being considered by policy-makers as a…Publication Date 2000-01-01
- leasing
- farm surveys
- farm income
- game animals
- water yield
- watershed management
- ranching
- hunting
- cost analysis
- decision making
- brush control
- Texas
- wildlife management
- range management
- Library Collection RecordAbstract not available.Publication Date 2000
- vegetation
- regenerative ability
- seed collection
- germination
- Australia
- Library Collection RecordSustainable use of native vegetation has become a central issue in the management of rangeland ecosystems. Bushcare, a major native vegetation management initiative under the Commonwealth's…Publication Date 2000
- rangelands
- management
- vegetation
- sustainability
- Australia
- Library Collection RecordA reduction in vegetation cover by exotic herbivores, primarily sheep and rabbits has been attributed to the decline of many small mammals in the semi-arid and arid regions. A recently reintroduced…Publication Date 2000
- habitats
- shrublands
- density
- vegetation
- South Australia
- Library Collection RecordAbstract not Avaiable.Publication Date 2000
- vegetation
- habits
- woodlands
- shrubs
- Behaviour
- foraging
- Bird Populations
- change
- Morphological Structure
- New South Wales
- semi-arid
- strip transect census
- Library Collection RecordThe rate of recovery of vegetation from a state of poor condition is valuable information for rangeland managers who are controlling livestock and feral animal numbers in paddocks to improve…Publication Date 2000
- vegetation
- paddocks
- grasslands
- controlled grazing
- Australia
- changes
- Library Collection RecordAbstract not available.Publication Date 2000
- rabbits
- vegetation
- regeneration
- Myxoma virus
- Australia
- Library Collection RecordA sampling system was devised and used from 1992 to 1996 in annual grassland and open woodland of the south-west Kenyan Rift Valley. The monitoring was designed to detect vegetation changes…Publication Date 2000
- range assessment
- savanna
- transect
- vegetation
- woodland
- ecosystem ecology
- land-use
- management
- rangeland condition
- monitoring
- livestock
- Africa