Rangeland Ecology & Management
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- Library Collection RecordWe compared long-term historical and stochastically generated weather records in terms of their statistical attributes and effects on herbage yield and runoff forecasts calculated from model…Publication Date 1991-05-01
- yield forecasting
- hydrology models
- stochastic processes
- hydrologic data
- solar radiation
- simulation models
- prediction
- meteorological data
- air temperature
- runoff
- precipitation
- crop yield
- rangelands
- forage
- Library Collection RecordModels used to simulate plant growth and insect development on rangelands often assume that soil temperature is homogeneous over the entire area of interest. This simplifying assumption is made…Publication Date 1991-09-01
- statistics
- geostatistics
- rangeland soils
- Poa secunda
- soil depth
- soil temperature
- spatial variation
- temporal variation
- Bromus tectorum
- Idaho
- Artemisia tridentata
- plant communities
- plant litter
- rangelands
- Library Collection RecordBrush management for improving wildlife habitat in South Texas is important because of the economic value of wildlife. We determined vegetation responses to (1) roller chopping of guajillo (Acacia…Publication Date 1992-03-01
- Acacia rigidula
- Aloysia lycioides
- roller chopper
- discing
- Acacia berlandieri
- wildlife
- habitats
- brush control
- vegetation management
- Odocoileus virginianus
- Texas
- rangelands
- Library Collection RecordAppropriate application of significance tests in statistical analyses requires an explicit statement of hypothesis; a clear definition of the population(s) about which inferences are to be made; and…Publication Date 1992-05-01
- statistical inference
- research
- experimental design
- statistical analysis
- sampling
- rangelands
- Library Collection RecordRange condition is usually defined by similarity of current to climax or potential vegetation. It is often assumed that rangelands in low condition are biologically less productive than those in…Publication Date 1991-01-01
- seral stages
- site factors
- productivity
- pastures
- biomass production
- plant communities
- botanical composition
- rangelands
- Arizona
- forage
- Library Collection RecordSocial science research is an important tool for guiding development of education programs for owners of private rangelands. California oak woodland, a productive and extensive range type in…Publication Date 1990-03-01
- extension education
- attitudes and opinions
- private ownership
- surveys
- land management
- landowners
- land use
- Quercus
- California
- woodlands
- rangelands
- Library Collection RecordGreenhouse and field experiments were conducted to evaluate clopyralid formulations and triclopyr ester alone and in mixtures with clopyralid for control of honey mesquite. In the greenhouse,…Publication Date 1991-01-01
- foliar application
- basal dressings
- woody weeds
- herbicide mixtures
- clopyralid
- Prosopis glandulosa
- triclopyr
- brush control
- weed control
- chemical control
- application rates
- rangelands
- Library Collection RecordCrop coefficients (Kc) provide a means of relating evapotranspiration (ET) to standard references such as pan evaporation or other climatic based reference ET’s (ET = Kc*reference ET). They have been…Publication Date 1990-11-01
- lysimetry
- evaporation
- evapotranspiration
- measurements
- water requirements
- estimation
- transpiration
- South Dakota
- pastures
- Idaho
- Wyoming
- rangelands
- Library Collection RecordHarvesting trees for firewood in the oak hardwood rangelands of the western Sierra Nevada foothills creates slash that may be burned to improve livestock forage production or piled into brushpiles…Publication Date 1991-03-01
- economic analysis
- habitats
- hunting
- Quercus
- multiple land use
- fuelwood
- Callipepla californica
- brushwood
- slash
- pastures
- California
- cattle
- wildlife management
- range management
- rangelands
- grazing
- forage
- Library Collection RecordUnderstanding hydrologic processes on rangelands is essential to determine if water yield will increase through shrub management. Nine nonweighable lysimeters were monitored for 3 years to determine…Publication Date 1990-11-01
- lysimetry
- herbaceous vegetation
- Plains
- water balance
- interrill erosion
- hydrology
- ground cover
- Prosopis glandulosa
- watersheds
- soil water content
- shrubs
- Texas
- range management
- rangelands
- Library Collection RecordThe Bowen ratio/energy balance technique was used to estimate evaporation (E) from honey mesquite (Prosopis glandulosa Torr. var. glandulosa) as the difference in total E (plant and soil) between…Publication Date 1991-03-01
- bowen ratio/energy balance
- evaporation
- evapotranspiration
- sap flow
- ground cover
- Prosopis glandulosa var. glandulosa
- energy balance
- transpiration
- Texas
- rangelands
- Library Collection RecordThe measured runoff from a contour-ripped rangeland watershed is compared with hypothetical runoff based on KINEROS model simulations assuming that the watershed had not been treated. The results…Publication Date 1990-11-01
- ripping
- kinematics
- kineros model
- simulation models
- hydrology
- arid zones
- watersheds
- mathematical models
- runoff
- range management
- rangelands
- Arizona
- Library Collection RecordHeavy communal grazing pressure and rapid phytomass decomposition reduce shrub interspace cover in Somalia from 100% at the end of the growing season to 5% at the end of the dormant season. Intense…Publication Date 1990-11-01
- communal feeding
- interrill erosion
- hydrology
- watershed management
- ground cover
- watersheds
- Somalia
- sandy soils
- clay soils
- pastures
- grazing intensity
- shrubs
- plant litter
- rangelands
- livestock
- grazing
- infiltration
- Library Collection RecordHerbicides were applied aerially to honey mesquite (Prosopis glandulosa Torr.) in the Rolling Plains and Edwards Plateau land resource areas of Texas to evaluate efficacy during late season…Publication Date 1991-01-01
- aerial applications
- woody weeds
- timing
- application timing
- 2,4,5-T
- Prosopis glandulosa
- brush control
- weed control
- chemical control
- picloram
- application rates
- Texas
- rangelands
- Library Collection RecordPhenology of mesa dropseed [Sporobolus flexuosus (Thurb.) Rydb.] was studied from 1979 to 1987 on the Jornada Experimental Range in southern New Mexico. Growing season (March through November)…Publication Date 1991-01-01
- Sporobolus flexuosus
- Chihuahuan Desert
- crop growth stage
- Sporobolus
- deserts
- growth rate
- precipitation
- adaptability
- phenology
- rangelands
- pasture plants
- New Mexico
- plant height
- Library Collection RecordEight domestic sheep (Ovis aries L.) ewes were fitted with radio collars and tracked during the 1985 grazing season in Trysll, Hedmark County, southern Norway. The ewes were relocated 761 times…Publication Date 1991-01-01
- habitat selection
- activity
- Picea abies
- Dryopteris
- behavior
- behavior patterns
- grazing trials
- Norway
- summer
- diets
- sheep
- grazing behavior
- rangelands
- Library Collection RecordTwo changes in traditional range condition analyses are recom- mended: (1) to replace the terms excellent, good, fair, and poor with ecological equivalents of climax, late seral, mid-seral, and early…Publication Date 1990-11-01
- site class assessment
- assessment
- seral stages
- multiple land use
- site factors
- range management
- rangelands
- Library Collection RecordArmed saltbush [Atriplex acanthocarpa (Torr.) Wats.] and fourwing saltbush [A. canescens (Pursh) Nutt.] are browsed by livestock and white-tailed deer (Odocoileus virginianus Raf.). The objective of…Publication Date 1988-09-01
- atriplex acanthocarpa
- Atriplex canescens
- Odocoileus virginianus
- species
- digestibility
- semiarid zones
- Texas
- rangelands
- livestock
- forage
- plant height
- chemical constituents of plants
- Library Collection RecordFoliar sprays of 2,4-D [(2,4-dichlorophenoxy)acetic acid]), picloram (4-amino-3,5,6-trichloro-2-pyridinecarboxylic acid), dicamba (3,6-dichloro-2-methoxy benzoic acid), or clopyralid (3,6-dichloro-2-…Publication Date 1988-11-01
- Chrysothamnus
- Weeds
- evaluation
- herbicides
- weed control
- species
- range management
- rangelands
- Utah
- Library Collection RecordThurber needlegrass (Stipa thurberiana Piper) is an important component of both forested and shrub-steppe communities of the Pacific Northwest and Great Basin regions, and little is known of its…Publication Date 1988-11-01
- Achnatherum thurberianum
- roots
- stocking rate
- regrowth
- Oregon
- range management
- phenology
- rangelands
- defoliation
- livestock
- grazing
- forage
- Library Collection RecordThe effects of temporary drought periods of semiarid regions were simulated by dehydration of germinating seeds of crested wheatgrass (Agropyron desertorum), Russian wildrye (Elymus junceus), alfalfa…Publication Date 1988-09-01
- Medicago sativa
- Astragalus cicer
- excision
- dehydration
- Psathyrostachys juncea
- roots
- Agropyron desertorum
- seedling emergence
- growth
- semiarid zones
- seed germination
- drought
- rangelands
- Library Collection RecordAverage ignition costs per ha for aerial and ground ignited prescribed burns in redberry juniper (Juniperus pinchotii)-mixed grass communities were compared to determine the feasibility of using…Publication Date 1988-09-01
- ignition devices and methods
- aerial methods
- Juniperus pinchotii
- economic analysis
- prescribed burning
- Texas
- range management
- rangelands
- Library Collection RecordLehmann lovegrass (Eragostis lehmanniana Nees) may be viewed as either an undesirable exotic invader or an important ground cover and forage plant on southwestern rangelands, depending on management…Publication Date 1988-09-01
- ground cover plants
- Weeds
- seedling emergence
- ecological succession
- mortality
- fires
- fire effects
- prescribed burning
- land restoration
- seed germination
- range management
- Eragrostis lehmanniana
- rangelands
- Arizona
- forage
- Library Collection RecordStocking rate effects on intensive-early stocked Kansas Flint Hills range were studied from 1982 through 1987. Rates were 2X, 2.5X, and 3X normal season-long stocking rates for 200-225 kg steers.…Publication Date 1988-11-01
- carbohydrates
- Kansas
- yields
- stocking rate
- winter
- Andropogon gerardii
- cattle
- rangelands
- grazing
- forage
- Library Collection RecordTall larkspur (Delphinium barbeyi) is a major cause of livestock death on mountain ranges. The influence of plant phenology, grazing site, and rumen fill on tall larkspur consumption was evaluated…Publication Date 1988-11-01
- consumption
- mountains
- mountain areas
- toxicity
- highlands
- site factors
- Delphinium barbeyi
- palatability
- rumen contents
- diet studies
- cattle
- rangelands
- Utah
- poisonous plants
- Library Collection RecordFireline intensity (kW/m) was measured on 61 plots of weeping lovegrass [Eragrostis curvula (Schrad.) Nees.] and tobosagrass [Hilaria mutica (Buckl.) Benth.] burned as headfires and backfires during…Publication Date 1988-09-01
- fireline intensity
- basal area
- Hilaria mutica
- Eragrostis curvula
- fires
- fire effects
- yields
- seeds
- prescribed burning
- land restoration
- Texas
- range management
- rangelands
- plant height
- Library Collection RecordTwenty-two adult, female mule deer (Odocoileus hemionus hemionus) were radio-collared with activity sensors and monitored with ground triangulation from mid-November through March, for 3 years (1982-…Publication Date 1988-11-01
- females
- habitat selection
- activity
- animal behavior
- feeding behavior
- Odocoileus hemionus
- rangelands
- ecology
- grazing
- Colorado
- Library Collection RecordContinuous or pulse doses of Yb-labeled feedstuffs with subsequent fecal sampling can be used to estimate digesta passage rates and fecal output in ruminants. However, the validity of such estimates…Publication Date 1988-09-01
- gastrointestinal motility
- analytical methods
- passage rates
- prediction
- feces composition
- digesta
- cattle
- range management
- rangelands
- feed intake
- 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 RecordGerminating seeds of crested wheatgrass (Agropyron desertorum), Russian wildrye (Elymus junceus), alfalfa (Medicago sativa), and cicer milkvetch (Astragalus cicer) were dehydrated for 4 days at -22…Publication Date 1988-09-01
- water uptake
- Medicago sativa
- Astragalus cicer
- excision
- dehydration
- Psathyrostachys juncea
- roots
- Agropyron desertorum
- seedling emergence
- species
- soil water content
- seed germination
- rangelands
- 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 1988-11-01
- Kansas
- liveweight gain
- yields
- stocking rate
- winter
- Andropogon gerardii
- cattle
- rangelands
- grazing
- forage
- Library Collection RecordQuantitative effects of temperature on germination were determined for 17 cool-season grasses, 19 warm-season grasses, and 18 miscellaneous forbs and shrubs associated with semiarid rangelands. These…Publication Date 1989-01-01
- regression analysis
- inhibition
- germination
- woody plants
- semiarid zones
- seed germination
- temperature
- rangelands
- grasses
- Arizona
- Library Collection RecordThe comparative yield (CY) method for estimating pasture dry weight and the dry-weight-rank (DWR) method for determining species composition were applied in a variety of arid vegetation types by…Publication Date 1988-09-01
- Northern Territory
- arid zones
- dry matter accumulation
- prediction
- yields
- monitoring
- botanical composition
- rangelands
- geographical distribution
- Library Collection RecordConsiderable variability and patchiness have been observed within sites of native range dominated by blue grama [Bouteloua gracilis (H.B.K.) Griffiths] range at the Central Plains Experimental Range…Publication Date 1988-09-01
- genetic factors
- patchiness
- thinning
- physicochemical properties
- plant ecology
- crop production
- growth
- environmental factors
- Bouteloua gracilis
- rangelands
- Colorado
- plant height
- Library Collection RecordA field experiment using 2 patterns of irrigation and 1 level of nitrogen fertilizer (10 g-N m-2) was conducted in order to discern water and nitrogen interactions that may control production of…Publication Date 1988-09-01
- reproductive physiology
- Larrea tridentata
- water uptake
- irrigation water
- plant development
- nitrogen fertilizers
- growth
- range management
- rangelands
- New Mexico
- 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 RecordThe erosion of rangeland soils is a widespread problem in Africa. Yet, there are few methods for estimating its rate. Using data from 2 catchments in Botswana, a technique for estimating erosion and…Publication Date 1987-09-01
- rapid methods
- rangeland soils
- Botswana
- sediments
- soil erosion
- semiarid zones
- losses from soil
- rangelands
- Library Collection RecordA large, truck-mounted screen was constructed to aid in measurement of total leaf area of individual honey mesquite (Prosopis glandulosa Torr.) trees. The screen, which measured 4.6 m × 6.2 m, was…Publication Date 1988-07-01
- trucks
- screens
- mobile units
- photointerpretation
- plant-water relations
- leaf area
- biomass determination
- water use
- Prosopis glandulosa
- estimation
- rangelands
- canopy
- Library Collection RecordSeveral herbicides were evaluated for control of honey mesquite (Prosopis glandulosa Torr.) when applied with a tractor-mounted carpeted roller. Experiments were placed in stands with relatively high…Publication Date 1987-07-01
- application timing
- 2,4,5-T
- clopyralid
- evaluation
- pesticide application
- Prosopis glandulosa
- weed control
- chemical control
- plant density
- picloram
- Texas
- rangelands
- Library Collection RecordThe predation by selected arthropod predators on immature and adult black grass bugs (BGB), Labops hesperius and Irbisia brachycera, on Utah ranges was investigated. Adult Nabis alternatus was found…Publication Date 1988-03-01
- insect control
- biological control
- Hemiptera
- arthropods
- Labops hesperius
- predators of insect pests
- irbisia brachycera
- Agropyron
- predators
- rangelands
- Utah
- Library Collection RecordThe association of the wheat stem sawfly (Cephus cinctus Nort., Hymenoptera: Cephidae) and basin wildrye (Elymus cinereus Scribn. & Merr) was investigated in 2 wildrye stands in southern Idaho…Publication Date 1988-07-01
- Cephus cinctus
- host-parasite relationships
- host plants
- Leymus cinereus
- plant pests
- Elymus
- ecosystems
- insect control
- biological control
- Idaho
- range management
- rangelands
- Library Collection RecordOutcomes of net-present value analyses were projected for patterned applications of herbicide sprays and pellets to mixed brush in south Texas. Picloram + 2,4,5-T (1:1) were applied but 1987 costs of…Publication Date 1988-07-01
- application methods
- spraying
- integrated methods
- wildlife
- habitats
- cost-benefit analysis
- herbicides
- weed control
- Texas
- range management
- rangelands
- Library Collection RecordIngestion of tall larkspur (Delphinium barbeyi L. Huth) is a major cause of cattle death on ranges where the plant occurs. The amount and timing of tall larkspur ingestion by grazing cattle was…Publication Date 1988-03-01
- alkaloids
- Delphinium barbeyi
- ingestion toxicity
- mountain grasslands
- grazing behavior
- cattle
- phenology
- rangelands
- Utah
- poisonous plants
- Library Collection RecordNutritional studies frequently require an estimate of animal diet digestibility, but current in vitro techniques require costly fistulated animals, and variation in rumen fluid activity often results…Publication Date 1988-07-01
- feed mixing
- cellulases
- rumen fluids
- histology
- Poaceae
- diet studies
- cattle
- in vitro digestibility
- Texas
- rangelands
- forage
- Library Collection RecordBetween 1915 and 1932, permanent 1 × 1-m quadrats were established on grasslands of the Jornada Experimental Range in southern New Mexico. Quadrat records accumulated from 1915 to 1979 on grasslands…Publication Date 1988-05-01
- change
- experimental stations
- varieties
- basal area
- arid zones
- ecological succession
- woody plants
- environmental factors
- Poaceae
- plant density
- range management
- rangelands
- grazing
- New Mexico
- Library Collection RecordOn California's winter annual rangelands precipitation controls the beginning and end of the growing season while temperature largely controls seasonal growth rates within the growing season.…Publication Date 1988-05-01
- weather patterns
- livestock feeding
- factors of production
- yield factors
- correlation
- seasonal growth
- heat sums
- forage crops
- liveweight gain
- sampling
- California
- temperature
- rangelands
- Library Collection RecordA low-cost, fixed-place, subcanopy rain shelter was constructed to facilitate studying water relations of honey mesquite (Prosopis glandulosa) growing in north Texas rangeland. This shelter, combined…Publication Date 1988-01-01
- plant-water relations
- shelters
- water use
- Prosopis glandulosa
- design
- rain
- Texas
- rangelands
- Library Collection RecordCattle production on desert grassland ranges in southern New Mexico has been low, although limited research shows diet nutritional quality of cattle is adequate to meet production needs during most…Publication Date 1987-07-01
- dona ana county, new mexico
- production
- deserts
- dietary fiber
- grasslands
- feces composition
- steers
- crude protein
- diets
- protein supplements
- seasonal variation
- rangelands
- New Mexico
- forage
- feed intake
- Library Collection RecordEight field trials [early August 1983 (EAUG83), late August 1983 (LAUG83), early November 1983 (ENOV83), early January 1984 (EJAN84), May 1984 (MAY84), late July 1984 (LJUL84), late August 1984 (…Publication Date 1987-11-01
- fertilizer application
- nitrogen
- digestion
- steers
- digesta
- kinetics
- Bouteloua gracilis
- rumen fermentation
- botanical composition
- rangelands
- grazing
- New Mexico
- forage
- feed intake
- Library Collection RecordEffectiveness of a land imprinter and rangeland drill for establishing 'Nordan' crested wheatgrass (Agropyron desertorum) from fall plantings on loose and firm seedbeds was compared in the…Publication Date 1987-11-01
- crop establishment
- seedbed preparation
- broadcasting
- grassland improvement
- Achnatherum thurberianum
- Agropyron desertorum
- seedling emergence
- drilling
- Oregon
- Artemisia tridentata
- crop yield
- rangelands
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