Rangeland Ecology & Management
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- Library Collection RecordThe natural Andean vegetation environment is the most important resource available to local pastoralist economies. Knowledge of its attributes is vital in assessing ecosystem properties and improves…Publication Date 2017
- biomass
- puna
- shrubs
- tussocks
- vegetation
- Library Collection RecordConservation of sagebrush (Artemisia spp.) systems is one of the most difficult and pressing concerns in western North America. Sagebrush obligates, such as greater sage-grouse (Centrocercus…Publication Date 2015-09
- case study
- greater sage-grouse
- livestock grazing
- sagebrush management
- Utah
- Wyoming
- Library Collection RecordGovernance plays a key role in rangeland management. In China, all rangeland, including pastoral land and agro-pastoral land, is owned by the State. Since 1980, use rights have been granted to…Publication Date 2015-03
- agro-pastoral region
- Community participation
- family income
- livestock
- rangeland governance
- vegetation
- 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 1964-07-01
- Southern Great Plains
- Woodward
- precipitation
- forage production
- soil moisture
- evaporation
- soil profiles
- intensity
- duration
- water intake
- bulk density
- water retention
- Southern Plains Experimental Range
- Differential
- Sandy Range
- nitrogen content
- Cattle Stocking Rates
- Flow Patterns
- transpiration
- Soil Charactersitics
- water holding capacity
- Penetrometer Pressure
- Ranifall
- Useable Soil Moisture
- Sod Forming Grasses
- vegetation
- frequency
- Oklahoma
- bunchgrasses
- Library Collection RecordForty paired sites were examined on the mixed-grass prairie of northeastern Montana to compare the effects of black-tailed prairie dog (Cynomys ludovicianus) colonies on native range vegetation.…Publication Date 2004-11-01
- Cynomys ludovicianus
- vegetation
- nutrition
- herbivory
- Library Collection RecordScaled quail (Callipepla squamata) numbers were evaluated during and after a 2-year drought period using strip census techniques on 2 pastures in late seral rangeland ecological condition and 2…Publication Date 2003-07-01
- Callipepla
- population size
- Callipepla squamata
- game birds
- seral stages
- vegetation cover
- wildlife habitats
- arid lands
- ecological succession
- pastures
- grazing intensity
- biomass
- drought
- plant litter
- New Mexico
- upland game birds
- wildlife
- arid lands
- cattle grazing
- rangelands
- Library Collection RecordOff-road military vehicle traffic is a major consideration in the management of military lands. The objective of this study was to determine the impacts of military tracked M1A1 heavy combat tank…Publication Date 2003-07-01
- rocks
- soil conservation
- military lands
- vehicles
- desert soils
- vegetation cover
- land management
- land use
- soil erosion
- dry seasons
- wet season
- forbs
- shrubs
- sediment yield
- plant litter
- grasses
- New Mexico
- military lands
- soil stability
- site recovery
- seasonal drought
- Library Collection RecordNative grasslands are a sink for atmospheric CO2 sequestration, but ways for extending site-specific CO2 flux measurements to a regional scale are lacking. Objectives of this study were to determine…Publication Date 2003-07-01
- carbon sequestration
- biogeochemical cycles
- evapotranspiration
- remote sensing
- carbon dioxide
- leaf area index
- vegetation
- precipitation
- shrubs
- semiarid zones
- prairies
- biomass
- range management
- seasonal variation
- botanical composition
- grazing
- North Dakota
- global carbon cycle
- rangelands
- Bowen ratio
- remote sensing
- sequestration
- Library Collection RecordMechanical clearing and herbicide-burn treatments were compared to evaluate saltcedar (Tamarix chinensis Lour.) control and recovery along the Rio Grande on the Bosque del Apache National Wildlife…Publication Date 2003-09-01
- plowing
- root plowing
- Tamarix chinensis
- imazapyr
- cost effectiveness
- plant volume
- brush cutting
- volume
- glyphosate
- stems
- height
- riparian areas
- brush control
- mortality
- cutting
- prescribed burning
- land restoration
- plant density
- invasive species
- canopy
- New Mexico
- plant height
- Riparian restoration
- imazapyr
- glyphosate
- prescribed fire
- root plowing
- root raking
- Library Collection RecordSquirreltail (Elymus elymoides, E. multisetus) is a complex of 5 taxa whose systematic interrelationships are uncertain. Our objectives were to determine whether the 3 taxa studied here, Elymus…Publication Date 2003-09-01
- Elymus elymoides subsp. brevifolius
- plant taxonomy
- growth traits
- Elymus multisetus
- Elymus elymoides subsp. elymoides
- population ecology
- provenance
- ecotypes
- plant development
- geographical variation
- leaves
- conservation plants
- height
- seedling emergence
- seed productivity
- shoots
- root systems
- Idaho
- Oregon
- Wyoming
- California
- biomass
- phenology
- Montana
- Nevada
- Colorado
- Elymus elymoides
- genetic variation
- plant nutecology
- Sitanion hystrix
- Library Collection RecordCommunity-level (per unit area) and individual tiller reproductive biomass inside and outside of long-term exclosures on the northern winter range of Yellowstone National Park, USA were compared.…Publication Date 2003-09-01
- Yellowstone National Park
- bison
- seed productivity
- Cervus elaphus
- winter
- Antilocapra americana
- tillering
- Wyoming
- grazing intensity
- biomass
- botanical composition
- rangelands
- defoliation
- literature reviews
- grasses
- grasslands
- ungulates
- grazing
- clipping
- seed production and yield
- Yellowstone National Park
- literature reviews
- Library Collection RecordWyoming Coal Rules and Regulations require shrubs be returned to mined land and that revegetation "...be self renewing." We evaluated seed production and seed quality of Wyoming big…Publication Date 2003-09-01
- mulches
- environmental law
- fences
- windbreaks
- mined soils
- conservation plants
- browse plants
- seed productivity
- yields
- Wyoming
- grazing intensity
- Artemisia tridentata
- land restoration
- browsing
- environmental effects
- seed quality
- big game
- soil moisture
- ecological restoration
- Library Collection RecordWet meadows are some of the most productive communities in the northern Rocky Mountains, USA but are also among the most sensitive to grazing by native ungulates and domestic livestock. These meadows…Publication Date 2003-11-01
- wet environmental conditions
- flooded conditions
- permanent grasslands
- plant growth
- tillers
- Wyoming
- biomass
- flooding
- tufted hairgrass
- herbivory
- nitrogen dynamics
- wet meadows
- Library Collection RecordGrazing of livestock in streams and associated riparian habitats (hereafter referred to as riparian zones) may affect small mammal communities by influencing vegetation, water quality, and other site…Publication Date 2004-07-01
- fencing
- litter
- livestock
- pastures
- streams
- vegetation
- wildlife
- Library Collection RecordSustainable management of riparian ecosystems depends on our understanding of these complex systems. Thus far, the scientific literature has not adequately addressed the effects of livestock grazing…Publication Date 2004-09-01
- cottonwood
- populus angustifolia
- season of use
- Southwest
- New Mexico
- cattle
- Library Collection RecordPrevious research suggested that big sagebrush (Artemisia tridentata Nutt.) recruitment occurs in pulses consistent with favorable climatic conditions. In 1997, 75 stem sections were collected from 9…Publication Date 2001-11-01
- Artemisia tridentata spp. wyomingensis
- taxa
- growth rings
- artemisia tridentata subsp. vaseyana
- artemisia tridentata subsp. tridentata
- mined soils
- age determination
- ambient temperature
- reclamation
- precipitation
- Wyoming
- Artemisia tridentata
- establishment
- soil water
- climate
- big sagebrush
- seedling establishment
- 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 RecordWhite-tailed deer (Odocoileus virginianus dacotensis Zimm.) numbers in the central Black Hills have declined since the middle 1970s. Population status has been documented by a decline in hunter…Publication Date 2002-05-01
- population decrease
- habitat destruction
- seral stages
- grazing date
- habitat selection
- habitats
- understory
- Populus tremuloides
- gender differences
- South Dakota
- Odocoileus virginianus
- winter
- prescribed burning
- summer
- Wyoming
- plant communities
- diets
- aspen regeneration
- Black Hills
- habitat quality
- habitat selection
- Odocoileus virginianus dacotensis
- prescribed burns
- South Dakota
- white-tailed deer
- Wyoming
- Library Collection RecordSnakeweeds (broom, Gutierrezia sarothrae (Pursh) Britt Rusby); and threadleaf, G. microcephala (DC.) Gray) fall into that class of poisonous weeds that seldom cause direct livestock losses because…Publication Date 2002-05-01
- adverse effects
- Gutierrezia
- rats
- rabbits
- gutierrezia microcephala
- carrying capacity
- poisonous weeds
- range condition
- palatability
- herbicides
- weed control
- Gutierrezia sarothrae
- prescribed burning
- plant communities
- sheep
- cattle
- range management
- plant competition
- New Mexico
- poisonous plants
- range weed
- livestock grazing
- broom snakeweed (Gutierrezia sarothrae (Pursh) Britt & Rusby)
- threadleaf snakeweed (Gutierrezia microcephala DC.) Gray)
- Library Collection RecordPlains larkspur (Delphinium geyeri Greene) is a major cause of cattle deaths in the northern Great Plains of Wyoming and Colorado. We examined the amount and timing of larkspur ingestion by grazing…Publication Date 2002-07-01
- delphinium geyeri
- weather
- mineral content
- protein content
- fiber content
- voluntary intake
- selective grazing
- Wyoming
- phenology
- grazing
- grasses
- beef cattle
- chemical constituents of plants
- poisonous plants
- maturity stage
- diterpenoid alkaloids
- toxic plants
- diet selection
- cattle grazing
- methyllycaconitine
- alkaloids
- Library Collection RecordAnecdotal evidence suggests that cattle fed alfalfa hay during the winter are inclined to graze locoweed on spring range. Two studies were conducted to compare the influence of feeding alfalfa hay vs…Publication Date 2002-07-01
- indolizidine alkaloids
- alfalfa
- alfalfa hay
- swainsonine
- Oxytropis sericea
- winter
- spring
- selective grazing
- beef cows
- hay
- diets
- prairies
- New Mexico
- Colorado
- feeding preferences
- poisonous plants
- Oxytropis sericea
- alfalfa hay
- grass hay
- cattle
- poisonous plants
- Library Collection RecordWhite locoweed (Oxytropis sericea Nutt. in TG) is widespread throughout the short-grass prairies and mountain grasslands and causes chronic poisoning of cattle, sheep, and horses. The objective of…Publication Date 2002-07-01
- leaf length
- flowering head height
- cutting height
- indolizidine alkaloids
- leaf area
- swainsonine
- age differences
- Oxytropis sericea
- stems
- mortality
- vigor
- precipitation
- drought
- Utah
- New Mexico
- Colorado
- plant height
- chemical constituents of plants
- poisonous plants
- white locoweed
- Oxytropis sericea
- poisonous plants
- population cycle
- Library Collection RecordRangeland ecological condition was monitored over a 48 year period on 41 sites on Bureau of Land Management rangelands scattered across 6 counties in southwestern New Mexico. All sites were grazed by…Publication Date 2002-07-01
- arid grasslands
- ground cover
- semiarid grasslands
- range condition
- precipitation
- sustainability
- grazing intensity
- plant communities
- drought
- range management
- botanical composition
- New Mexico
- beef cattle
- rangeland condition
- succession
- drought
- grazing management
- plant ecology
- 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 RecordRangeland plant productivity and species composition are affected by moisture availability and grazing intensity. We examined warm- and cool-season grass productivity and relative distribution on…Publication Date 2002-09-01
- root systems
- soil water content
- Pascopyrum smithii
- Bouteloua gracilis
- precipitation
- Wyoming
- grazing intensity
- biomass
- seasonal variation
- botanical composition
- mixed-grass prairies
- species composition
- water stress
- Library Collection RecordPanels of experts from the Society for Range Management and the National Research Council proposed that status of rangeland ecosystems could be ascertained by evaluating an ecological site's…Publication Date 2002-11-01
- soil surface
- soil structure
- flow resistance
- soil morphology
- gullied land
- wind erosion
- hydrologic factors
- assessment
- rapid methods
- data collection
- ecological balance
- grassland condition
- overland flow
- rill erosion
- ground cover
- grasslands
- range condition
- perennials
- mortality
- vegetation
- biomass production
- range management
- plant litter
- introduced species
- invasive species
- literature reviews
- United States
- soil compaction
- soil stability
- hydrologic function
- biological integrity
- ecosystem status
- erosion
- infiltration
- inventory
- Library Collection RecordBroom snakeweed (Gutierrezia sarothrae [Pursh] Britt. Rusby) is a major weed problem in the southwestern U.S. because it is toxic to livestock and suppresses forage productivity. In this study, broom…Publication Date 2002-11-01
- metsulfuron
- flowering date
- aerial spraying
- seedling establishment
- timing
- seed dispersal
- viability
- poisonous weeds
- seed productivity
- weed control
- Gutierrezia sarothrae
- seeds
- seedlings
- picloram
- New Mexico
- Gutierrezia sarothrae
- reproduction
- seed production
- seed dispersal
- seedling emergence
- seed viability
- herbicide control
- metsulfuron
- picloram
- Library Collection RecordThe development of successful regional or national invasive weed control programs is often hampered by the way the problem is approached. Typically weed control programs are developed and evaluated…Publication Date 2003-01-01
- Aphthona
- Aphthona nigriscutis
- Aphthona lacertosa
- perennial weeds
- teamwork
- biological control agents
- USDA
- integrated pest management
- economic impact
- biological control
- Euphorbia esula
- ranching
- cost-benefit analysis
- invasion
- herbicides
- weed control
- South Dakota
- chemical control
- Wyoming
- sheep
- range management
- botanical composition
- Montana
- grazing
- North Dakota
- biological control
- Aphthona
- Weeds
- invasive species
- success
- integrated pest management
- Library Collection RecordState-and-transition models have received a great deal of attention since the introduction of the concept to range management in 1989. Nonetheless, only recently have sets of state-and-transition…Publication Date 2003-03-01
- community stability
- ecological sites
- ecosystem health
- indicators
- New Mexico
- vegetation dynamics
- Library Collection RecordThe influence of cattle grazing on carbon cycling in the mixed grass prairie was investigated by measuring the CO(2) exchange rate in pastures with a 13 year history of heavy or light grazing and an…Publication Date 2000-03-01
- Artemisia frigida
- Sphaeralcea coccinea
- Hesperostipa comata
- biogeochemical cycles
- Carex
- carbon dioxide
- air temperature
- rain
- photosynthesis
- gas exchange
- Pascopyrum smithii
- Wyoming
- grazing intensity
- prairies
- botanical composition
- beef cattle
- soil water
- grazing
- productivity
- photosynthesis
- soil respiration
- species composition
- Library Collection RecordBroom snakeweed (Gutierrezia sarothrae [Pursh] Britt Rusby) propagation was monitored from 1990 through 1998 following burning and herbicide control practices conducted on blue grama (Bouteloua…Publication Date 2000-03-01
- soil temperature
- seedling emergence
- weed control
- mortality
- Gutierrezia sarothrae
- fires
- fire effects
- air temperature
- rain
- seedlings
- prescribed burning
- Bouteloua gracilis
- picloram
- establishment
- seasonal variation
- canopy
- New Mexico
- Library Collection RecordBecause of the relatively low cost of seed and ease of establishment, more than 0.4 million ha of weeping lovegrass (Eragrostis curvula (Shrad.) Nees.) were planted on Conservation Reserve Program (…Publication Date 2000-05-01
- land policy
- urea fertilizers
- subsidies
- dryland farming
- costs and returns
- Eragrostis curvula
- sown grasslands
- market prices
- liveweight gain
- continuous grazing
- beef production
- rotational grazing
- application rates
- New Mexico
- beef cattle
- Conservation Reserve Program
- Eragrostis curvula (Shrad.) Ness.
- forage quality
- optimal stocking rates
- dryland farming
- grazing systems
- Library Collection RecordDecisions to control big sagebrush (Artemisia tridentata Nutt.) on North American rangelands are traditionally based on morphological characteristics (e.g., cover) rather than more ecologically based…Publication Date 2000-05-01
- subspecies
- taxa
- growth rings
- age determination
- stems
- ecological succession
- equations
- diameter
- Wyoming
- Artemisia tridentata
- altitude
- big sagebrush
- annual growth-rings
- succession
- Library Collection RecordDecreases in biomass and cover, as well as changes in species composition have occurred on rangelands affected by snowdrifts behind 3.8 meter tall "Wyoming" type snowfences along Interstate…Publication Date 2000-07-01
- Bromus marginatus
- no-tillage
- rotary cultivation
- fences
- Elymus lanceolatus
- snow cover
- Leymus angustus
- Elymus trachycaulus
- foliage area
- revegetation plants
- Elytrigia intermedia subsp. intermedia
- Festuca arundinacea
- Deschampsia cespitosa
- Poa secunda
- soil depth
- Psathyrostachys juncea
- Agropyron cristatum
- species differences
- Pascopyrum smithii
- Wyoming
- biomass
- canopy
- Leymus chinensis
- species performance
- reclamation
- Library Collection RecordLivestock producers and others knowledgeable about the locoweed problem in northeastern New Mexico were surveyed to obtain the production information needed to estimate economic losses from locoweed…Publication Date 2000-07-01
- losses
- farmers' income
- estimated costs
- poisoning
- avoidance conditioning
- Oxytropis sericea
- Astragalus mollissimus
- controlled grazing
- poisonous weeds
- mathematical models
- production costs
- liveweight gain
- feedlots
- New Mexico
- beef cattle
- poisonous plants
- woolly locoweed
- Astragulus mollissimus Torr. var mollissimus
- white locoweed
- Oxytropis sericea (Nutt.)
- weed control
- grazing management
- 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 RecordRobust needlegrass (Achnatherum robustum [Vasey] Barkw. = Stipa robusta [Vasey] Scribn.) is a high-biomass rangeland species that is adapted to warmer temperatures and matures later than most cool-…Publication Date 2000-07-01
- New Mexico
- Arizona
- Colorado
- beef cattle
- forage
- Stipa
- dry matter
- feed intake
- feeding preferences
- plant height
- zero grazing
- Elytrigia elongata
- Acremonium
- endophytes
- Leymus chinensis
- ergot alkaloids
- ergometrine
- fungi
- roadside plants
- green fodders
- lysergic acid amide
- Stipa robusta
- Achnatherum robustum
- Acremonium
- ergonovine
- lysergic acid amide
- narcosis
- Neotyphodium
- sleepygrass
- Stipa robusta
- Library Collection RecordA fire scar chronology was constructed from ponderosa pine (Pinus ponderosa Dougl. ex Laws.) and Rocky Mountain juniper (Juniperus scopulorum Sarg.) trees within the 70 km2 Rochelle Hills Area of the…Publication Date 2000-11-01
- history
- Juniperus scopulorum
- fire scars
- fire intervals
- understory
- frequency
- grasslands
- Pinus ponderosa
- fire ecology
- fires
- fire effects
- Wyoming
- plant litter
- seasonal variation
- canopy
- fire intervals
- Library Collection RecordChanges in the amount or spatial distribution of grass plants are thought to be indicative of the stability of desert grasslands. This study assessed, through simulation, the sensitivity of…Publication Date 2001-01-01
- fetch length
- simulation models
- arid grasslands
- deserts
- canopy gaps
- range condition
- length
- sampling
- spatial distribution
- grasses
- New Mexico
- fetch length
- monitoring
- simulation
- Library Collection RecordPrevious research suggested that woody plant recruitment may occur in pulses in semi-arid areas. The overall objective of this study was to determine if this pulse phenomena was recorded in the…Publication Date 2001-03-01
- Artemisia tridentata spp. wyomingensis
- artemisia tridentata subsp. vaseyana
- artemisia tridentata subsp. tridentata
- frequency distribution
- age structure
- recruitment
- stand establishment
- Wyoming
- Artemisia tridentata
- semiarid zones
- demography
- big sagebrush
- recruitment intervals
- Library Collection RecordCholla cactus may serve as an emergency feedstuff for livestock when forage availability is low. A study was conducted at the Corona Range and Livestock Research Center to evaluate the nutritive…Publication Date 2001-05-01
- processing technology
- spines
- opuntia imbricata
- moisture content
- organic matter
- burning
- leaves
- cows
- mineral content
- stems
- estimation
- fiber content
- feeds
- digestibility
- crude protein
- rumen fermentation
- nutritive value
- livestock
- New Mexico
- forage
- dry matter
- drought forages
- mineral content
- emergency feeding
- 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 RecordWhite (Oxytropis sericea Nutt. in T. G.) and Lambert (O. lambertii var. biglovii Pursh) locoweed grow adjacent to each other on the foothills of the Rocky Mountains from southeastern Wyoming to…Publication Date 2001-05-01
- flowering date
- Oxytropis lambertii
- pods
- plant development
- developmental stages
- Weeds
- alkaloids
- Infestation
- Oxytropis sericea
- selective grazing
- cattle
- phenology
- New Mexico
- feeding preferences
- poisonous plants
- Oxytropis lambertii
- Oxytropis sericea
- poisonous plants
- cattle grazing
- swainsonine
- 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 RecordA 2 year study was conducted to determine the effects of surface cover and roughness on sediment yield from plots subjected to a simulated most damaging storm. This storm, based on long term sediment…Publication Date 2001-07-01
- sediment deposition
- tillage
- surface roughness
- water erosion
- ground cover
- highlands
- storms
- equations
- rain
- Wyoming
- water quality
- sediment yield
- infiltration
- simulation
- soil texture
- sediment yield
- surface cover
- surface roughness
- eolian sediment
- RUSLE
- non-point-source pollution
- water quality
- Library Collection RecordAssessing vegetation status via remote sensing techniques using various vegetation indices has been successfully applied to semi-arid and arid environments. We tested the feasibility of applying such…Publication Date 1999-09-01
- Israel
- infrared imagery
- wavelengths
- equus hemionus
- visibility
- feral herds
- ground cover
- image analysis
- arid lands
- soil types
- remote sensing
- satellite imagery
- atmosphere
- equations
- dry seasons
- wet season
- vegetation
- seasonal variation
- grazing
- Library Collection RecordProductivity of Barzona, Brangus, and Beefmaster cattle was evaluated on conservatively (n=2) (40 ha AU-1) and moderately (28.5 ha AU-1) stocked pastures (n=2) in the Chihuahuan Desert of south-…Publication Date 2000-01-01
- cattle breeds
- pregnancy rate
- farm income
- livestock numbers
- weaning weight
- arid grasslands
- arid zones
- production costs
- calves
- continuous grazing
- body weight
- rain
- Brangus
- Beefmaster
- barzona
- stocking rate
- breed differences
- beef cows
- shrubs
- botanical composition
- New Mexico
- beef cattle
- Library Collection RecordDiaspores of winterfat (Eurotia lanata (Pursh) Moq.) collected from 2 locations in the USA and 1 in Canada were imbibed at 10 degree C and grown to 4 different developmental stages (2, 3, 6, and 14…Publication Date 1998-11-01
- thermochemical properties
- exothermic reactions
- frost resistance
- freezing
- cooling
- Saskatchewan
- mortality
- rain
- Krascheninnikovia lanata
- seedlings
- Wyoming
- seed germination
- Colorado
- Library Collection RecordThe effects of grazing, fertilizing, and seeding on persistence of herbaceous species was monitored by point quadrat about every second year from 1975 to 1989 in a low-fertility pasture in the aspen…Publication Date 1999-01-01
- change
- Medicago sativa
- Bromus inermis
- Festuca rubra
- grassland improvement
- sown grasslands
- ground cover
- Poa pratensis
- continuous grazing
- Saskatchewan
- rain
- pastures
- vegetation
- forbs
- rotational grazing
- botanical composition
- Library Collection RecordEffective storage of wildland seeds helps alleviate supply shortages and mitigates variable production associated with annual weather patterns. The storage environment is critical for seeds like…Publication Date 1999-05-01
- ultrastructure
- storage quality
- mitochondria
- cold storage
- frozen storage
- radicles
- imbibition
- viability
- Krascheninnikovia lanata
- seedlings
- Wyoming
- temperature
- Colorado