Rangeland Ecology & Management
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- 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 1964-03-01
- stenoptera
- Nitrogen Response
- Eagle Ranch
- Phalaris tuberosa
- San Luis Obispo County
- ammonium sulfate
- Bromus mollis
- annuals
- Soft Chess
- mixed stand
- winter range
- Harding grass
- fertilizer
- Differential
- perennials
- yields
- grasses
- California
- 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 1964-03-01
- Rainy Season
- seasonal variation
- coverage
- Summer Season
- Grazing Intensities
- origin
- grazing intensity
- India
- forbs
- grasses
- management
- 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
- halfshrubs
- Natural Drainages
- Central Arizona
- Sierra Ancha Experimental Forest
- soil types
- watersheds
- vegetative cover
- chaparral
- history
- change
- responses
- chemical control
- forbs
- grasses
- Library Collection RecordThe pattern of retrogression due to grazing for native vegetation was established for the important plants of the loamy prairie range site. Total forb numbers increased as range condition declined…Publication Date 1965-01-01
- Decreasers
- Increasers
- secondary succession
- North Central Oklahoma
- Animal Output
- Loamy Prairie
- invaders
- Sideoats
- rainfall
- Big
- Little
- native vegetation
- retrogression
- bluestems
- patterns
- overuse
- buffalo grass
- mulch
- grama
- plant cover
- income
- productivity
- soil moisture
- range condition
- blue grama
- forbs
- overgrazing
- grasses
- basal cover
- mowing
- Library Collection RecordPrescribed (or targeted) sheep grazing can effectively suppress the invasive perennial forb spotted knapweed (Centaurea stoebe L. ssp. micranthos [Gugler] Hayek). Some ranchers and other natural…Publication Date 2012-05-01
- Centaurea maculosa
- Centaurea stoebe
- grasses
- prescribed grazing
- targeted grazing
- timing
- Weeds
- Library Collection RecordCover and yield are two of the most commonly monitored plant attributes in rangeland vegetation surveys. These variables are usually highly correlated and many previous authors have suggested point-…Publication Date 2008-11-01
- forbs
- grasses
- non-destructive sampling
- relative cost
- shrubs
- Library Collection RecordWe postulate that phosphorus (P) fertilization may increase above-ground net primary productivity (ANPP) of rotationally grazed rangelands without reducing the legume component, as does N…Publication Date 2007-09-01
- forage productivity
- grasses
- legumes
- phosphorus
- tall fescue
- temperate native grasslands
- Library Collection RecordVegetation influences runoff and soil losses in semiarid environments. In shrublands of Central Argentina, grazing has resulted in a reduction of plant cover, an increase in the proportion of bare…Publication Date 2003-05-01
- sown pastures
- splash erosion
- shortgrasses
- range improvement
- vegetation cover
- erosion control
- tallgrasses
- sowing
- shrublands
- water erosion
- endemic species
- runoff
- forbs
- semiarid zones
- Cenchrus ciliaris
- Argentina
- grasses
- rainfall simulators
- runoff
- semiarid shrublands
- soil erosion
- vegetation cover
- Library Collection RecordThe mechanisms responsible for soil-N-mediated species replacement of native perennial grasses by the invasive annual grasses cheatgrass (Bromus tectorum L.) and medusahead (Taeniatherum caput-…Publication Date 2003-05-01
- dry matter partitioning
- Elymus multisetus
- nutrient utilization
- nutrient partitioning
- nitrate fertilizers
- soil nutrients
- ammonium fertilizers
- Taeniatherum caput-medusae
- Elymus elymoides
- Pseudoroegneria spicata
- endemic species
- shoots
- Bromus tectorum
- nitrogen
- tillers
- plant competition
- invasive species
- Utah
- grasses
- native perennial grass
- invasive annual grass
- nitrogen availability
- nitrogen form
- carbon-to-nitrogen ratio (C:N)
- seedling development
- root development
- 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 RecordUnderstanding landscape conversion is vital for assessing the impacts of ecological and anthropogenic disturbances at regional and global scales. Since rangelands cover nearly half of the global land…Publication Date 2003-09-01
- environmental degradation
- land use change
- anthropogenic activities
- vegetation cover
- urbanization
- shrublands
- landscape ecology
- Prosopis
- image analysis
- urban areas
- rural areas
- remote sensing
- vegetation types
- semiarid zones
- botanical composition
- rangelands
- grasses
- Arizona
- land conversion
- landscape indices
- fire suppression
- rangeland maintenance
- semiarid
- grasslands
- 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 RecordThe western prairie fringed orchid (Platanthera praeclara Sheviak and Bowles) is a threatened species of the tallgrass prairie. Invasion by leafy spurge (Euphorbia esula L.) is a serious threat to…Publication Date 2003-09-01
- threatened species
- imazapic
- quinclorac
- disturbed habitats
- Platanthera praeclara
- buried seeds
- pesticide application
- endemic species
- glyphosate
- Euphorbia esula
- habitats
- weed control
- forbs
- prairies
- invasive species
- introduced plants
- grasses
- North Dakota
- invasive species
- herbicides
- range improvement
- soil seed bank
- 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 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 RecordLand managers need accurate and quick techniques to identify suitable habitat of species of interest. For species protected by federal or state laws, identification of suitable habitat is critical…Publication Date 2001-09-01
- wetlands
- Juncus
- Juncus balticus
- wetland soils
- endangered species
- Platanthera
- Platanthera praeclara
- stachys palustris
- sheyenne national grassland
- swales
- habitat selection
- prediction
- regression analysis
- forbs
- soil water content
- plant communities
- shrubs
- plant litter
- canopy
- grasses
- Platanthera praeclara
- wetlands
- tallgrass prairie
- threatened plant
- edaphic factors
- logistic regression
- soil moisture
- North Dakota
- Library Collection RecordThe amount and temporal distribution of precipitation received is of critical importance for regrowth and plant production on rangelands. The effects of drought in the autumn, and spring/summer, as…Publication Date 2001-09-01
- Turkey (country)
- Festuca ovina
- autumn
- ground cover
- semiarid grasslands
- temporal variation
- rain
- water-use efficiency
- spring
- regrowth
- crude protein
- drought injury
- biomass production
- semiarid zones
- drought
- botanical composition
- rangelands
- canopy
- grasses
- Festuca ovina
- water use efficiency (WUE)
- biomass
- botanical composition
- protein
- Library Collection RecordLand, livestock, and wildlife managers need to understand the nutritional dynamics of forages to sustain adequate growth and reproduction of their animals and/or assure equitable payment for forages…Publication Date 2001-11-01
- Leymus cinereus
- Elymus elymoides
- rangeland soils
- Festuca idahoensis
- Pseudoroegneria spicata
- Poa secunda
- arid grasslands
- Achnatherum thurberianum
- nutrient content
- plant ecology
- fiber content
- Bromus tectorum
- Oregon
- crude protein
- precipitation
- grasses
- forage
- crude protein
- neutral detergent fiber
- in vitro organic matter disappearance
- Poa sandbergii
- Bromus tectorum
- Sitanion hystrix
- Agropyron spicatum
- Festuca idahoensis
- Stipa thurberiana
- Elymus cinereus
- Library Collection RecordThe tribe Triticeae contains over 250 perennial species that are components of grasslands in the temperate and sub-arctic regions of the world and includes some of the world's most valuable…Publication Date 2001-11-01
- Elymus
- plant introduction
- germplasm
- Hordeum
- Leymus
- Psathyrostachys
- Elytrigia
- genome
- germplasm evaluation
- Agropyron
- plant genetic resources
- mortality
- yields
- adaptation
- Nebraska
- precipitation
- introduced species
- grasses
- forage
- Triticeae
- Agropyron
- Thinopyrum
- Elymus
- Leymus
- Pascopyrum
- survival
- forage yield
- Library Collection RecordThere has been increasing concern that training on military lands results in excessive soil erosion, ecosystem degradation, and loss of sustainable training resources. Vegetation structure has been…Publication Date 2001-11-01
- wind erosion
- wind tunnels
- military areas
- battletanks
- tracked vehicles
- all-terrain vehicles
- grassland condition
- surface roughness
- ground cover
- ground vegetation
- Idaho
- forbs
- losses from soil
- plant litter
- botanical composition
- grasses
- erosion
- threshold friction velocity
- threshold wind speed
- arid lands
- surface roughness
- military lands
- wind tunnels
- Library Collection RecordA revegetation techniques study was initiated during the fall of 1976 in northwestern Colorado in a disturbed sagebrush (Artemisia tridentata Nutt.) community. The study included 2 irrigation…Publication Date 2001-11-01
- seed mixtures
- irrigated conditions
- plant introduction
- sowing
- sown grasslands
- semiarid grasslands
- stand establishment
- species diversity
- ecological succession
- forbs
- Artemisia tridentata
- plant communities
- shrubs
- land restoration
- application rates
- fertilizer
- biomass
- introduced species
- botanical composition
- grasses
- Colorado
- seeding
- seed mixtures
- fertilization
- irrigation
- succession
- reclamation
- restoration
- Library Collection RecordIn August 1994, wildfire burned 6,500 ha of native Dry Mixed Prairie in southeastern Alberta. The following year, a study was initiated to monitor the recovery of major plant communities. Burning was…Publication Date 2002-03-01
- Koeleria macrantha
- Elymus lanceolatus
- Hesperostipa comata
- wildfire management
- Agropyron
- ground cover
- fires
- fire effects
- Alberta
- forbs
- Pascopyrum smithii
- Bouteloua gracilis
- precipitation
- biomass production
- grazing intensity
- prairies
- drought
- range management
- plant litter
- botanical composition
- canopy
- grazing
- grasses
- beef cattle
- Stipa
- composition
- forage
- litter
- preference
- production
- topography
- Library Collection RecordA 20-year set of cover data on sagebrush semi-desert plant communities responding to wildfire and livestock grazing near Mills in central Utah provided an opportunity to compare the assumptions and…Publication Date 2002-03-01
- alluvial land
- data analysis
- seral stages
- Pseudoroegneria spicata
- annuals
- wildfire management
- Salsola tragus
- experimental design
- range condition
- ecological succession
- perennials
- fires
- fire effects
- Bromus tectorum
- forbs
- precipitation
- grazing intensity
- Artemisia tridentata
- plant communities
- shrubs
- Utah
- canopy
- grasses
- community dynamics
- Clementsian model
- state-and-transition models
- ordination
- trend
- conditions
- 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 RecordBroom snakeweed (Gutierrezia sarothrae (Pursh) Britt. Rusby) is one of the most widespread range weeds in North America. The objective of this study was to monitor broom snakeweed populations in the…Publication Date 2002-07-01
- Pleuraphis jamesii
- Hilaria
- age structure
- leaf area
- poisonous weeds
- Agropyron desertorum
- invasion
- population dynamics
- Gutierrezia sarothrae
- Idaho
- precipitation
- shrubs
- plant density
- drought
- plant competition
- invasive species
- Utah
- grasses
- poisonous plants
- broom snakeweed
- Gutierrezia sarothrae
- population cycle
- poisonous plants
- Library Collection RecordThe competitiveness of plants within a community is dictated to some extent by their association with microorganisms in the soil. That association is affected by root exudates and possibly by their…Publication Date 2002-07-01
- Phleum pratense
- Koeleria macrantha
- carboxylic acids
- decreaser species
- increaser species
- Hesperostipa comata
- Psathyrostachys juncea
- root exudates
- Festuca campestris
- invasion
- Agropyron cristatum
- seedlings
- Pascopyrum smithii
- Bouteloua gracilis
- plant competition
- invasive species
- grazing
- grasses
- organic acids
- native grasses
- introduced grasses
- soil quality
- soil chemical properties
- Library Collection RecordPrecise estimates of diet composition are useful to assess herbivores impact on rangelands and to make management decisions. Since the variability within- and between-samples affect precision of…Publication Date 2002-09-01
- data analysis
- estimation
- forbs
- diet
- herbivores
- shrubs
- drought
- Argentina
- grasses
- feeding preferences
- diet selection
- precision
- Lagostomus maximus
- central Argentina
- Caldenal
- 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 RecordWe used microhistological analyses of fresh fecal pellets to determine seasonal diets of desert bighorn sheep (Ovis canadensis mexicana Merriam 1901) in northwestern Sonora, Mexico from April 1997 to…Publication Date 2002-11-01
- species reintroduction
- Ovis canadensis mexicana
- Ovis canadensis
- browse plants
- gender differences
- Mexico
- feces composition
- forbs
- diets
- wildlife management
- seasonal variation
- botanical composition
- browsing
- grasses
- Ovis canadensis mexicana
- sexual segregation
- Library Collection RecordThere are several generalizations or assumptions concerning rangeland hydrology and erosion relationships found in the literature and in the management arena. These generalizations have found their…Publication Date 2002-11-01
- sheet erosion
- mixed-grass prairies
- tallgrass prairie
- rangeland soils
- Rocky Mountain region
- hydrology
- ground cover
- semiarid grasslands
- Artemisia
- mathematical models
- Carex
- brush control
- steppe soils
- range condition
- equations
- shortgrass prairie
- runoff
- rainfall simulators
- forbs
- soil water content
- plant communities
- California
- prairies
- biomass
- sediment yield
- plant litter
- botanical composition
- rangelands
- canopy
- infiltration
- grasses
- prairie soils
- rangeland hydrology
- infiltration
- erosion
- hydrologic modeling
- Library Collection RecordEffective rangeland weed programs require the ability to predict plant community responses to management. Our objective was to develop regression equations to predict the plant community after…Publication Date 2002-11-01
- Festuca idahoensis
- endemic species
- ground cover
- mathematical models
- regression analysis
- species diversity
- weed control
- equations
- forbs
- plant communities
- plant density
- picloram
- Centaurea maculosa
- biomass
- range management
- introduced species
- Montana
- invasive species
- grasses
- spotted knapweed
- predicting plant response
- integrated weed management
- optimizing herbicide use
- 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 RecordFood habits of plains vizcacha (Lagostomus maximus), greater rhea (Rhea americana) and cattle (Bos taurus) in the Parana? River Delta, Argentina, were studied over 2 years using microhistological…Publication Date 2003-01-01
- Rhea
- Prosopis nigra
- Rhea americana
- ecological competition
- Lagostomus maximus
- vertebrate pests
- forage legumes
- wetlands
- feces composition
- forbs
- diet
- shrubs
- cattle
- seasonal variation
- Argentina
- botanical composition
- pasture plants
- grazing
- grasses
- diet composition
- herbivory
- Lagostomus maximus
- Paraná River Delta
- Rhea americana
- Library Collection RecordA 2-year field experiment was undertaken to quantify the interacting effects of a late-spring prescribed burn and summer rainfall on seasonal runoff and erosion in a southern Arizona grassland. Six…Publication Date 2003-01-01
- Lycurus
- perennial bunchgrasses
- soil water movement
- Muhlenbergia
- soil density
- Eragrostis
- Bouteloua
- water erosion
- semiarid grasslands
- rain
- runoff
- prescribed burning
- rainfall simulators
- plant communities
- sediment yield
- grasses
- bulk density
- Arizona
- Arizona
- sediment yield
- summer rainfall
- 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 RecordIndependent digestion trials with 5 forages were conducted to compare n-alkane with indigestible acid-detergent fiber (IADF) as internal markers to predict in vivo dry matter digestibility (…Publication Date 2000-03-01
- digestibility markers
- alkanes
- indigestible acid-detergent fiber
- alfalfa
- alfalfa hay
- prediction
- feces composition
- fiber content
- hay
- digestibility
- cattle
- in vitro digestibility
- grasses
- forage
- maturity stage
- indigestible
- ADF
- hydrocarbon
- beef cattle
- Library Collection RecordPicloram at 0.28 kg ai ha(-1), clopyralid plus 2,4-D at 0.21 kg ai ha(-1) plus 1.12 kg ai ha(-1), or dicamba plus 2,4-D at 0.56 kg ai ha(-1) plus 1.12 kg ai ha(-1) were applied to spotted knapweed (…Publication Date 2000-03-01
- timing
- 2,4-D
- dicamba
- clopyralid
- weed control
- plant density
- picloram
- Centaurea maculosa
- application rates
- biomass
- phenology
- Montana
- grasses
- maturity stage
- Pasture and rangeland weed control
- clopyralid
- dicamba
- picloram
- 2,4-D
- Centaurea maculosa
- Library Collection RecordWe present a non-destructive, photographic method to estimate biomass in semiarid grasslands. Though the method needs to be calibrated, it allows for a dramatic increase in the number of samples…Publication Date 2000-03-01
- photographs
- rapid methods
- image analysis
- semiarid grasslands
- estimation
- Bouteloua gracilis
- biomass production
- grasses
- Colorado
- ANPP estimation
- nondestructive methods
- semiarid grasslands
- 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 RecordFlea beetles (Aphthona spp.) were introduced into leafy spurge (Euphorbia esula L.)-infested rangeland in east-central North Dakota. The study objectives were to evaluate the effects of the…Publication Date 2000-05-01
- Aphthona czwalinae
- Aphthona
- Aphthona nigriscutis
- Aphthona lacertosa
- biological control
- ground cover
- Euphorbia esula
- range condition
- plant density
- biomass
- rangelands
- grasses
- North Dakota
- biological control
- Leafy spurge
- insects
- flea beetles
- range improvement
- Library Collection RecordWestern ragweed [Ambrosia psilostachya DC. ], a major forb species in mixed and tallgrass prairies, is considered to have little value for cattle grazing but is an important food item for bobwhite…Publication Date 2000-05-01
- height-weight ratio
- tallgrass prairie
- mixed prairie
- mixed pastures
- Ambrosia psilostachya
- growth curve
- rain
- Oklahoma
- plant communities
- plant density
- prairies
- biomass
- botanical composition
- plant competition
- grazing
- grasses
- Ambrosia psilostachya
- plant competition
- grazing effects
- 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 RecordThis study examined the effects of late growing-season (September) wildfire on the subsequent production and species composition of upland Nebraska Sandhills prairie vegetation. Three paired-plots (…Publication Date 2000-07-01
- Cyperaceae
- Schizachyrium scoparium
- soil temperature
- fires
- fire effects
- Nebraska
- forbs
- plant communities
- biomass
- range management
- botanical composition
- rangelands
- grasses
- burning
- species composition
- herbage standing crop
- soil temperature