Rangeland Ecology & Management
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- Library Collection RecordLow vigor of seedlings and stand failures plague many revegetation efforts in semiarid and arid rangelands. Phototoxicity, sandbur (Cenchrus incertus M.A. Curtis) competition, seedbed preparation (…Publication Date 1991-05-01
- plant residues
- Cenchrus incertus
- crop establishment
- seedbed preparation
- Eragrostis curvula
- allelopathy
- Quercus havardii
- seedlings
- nitrogen fertilizers
- vigor
- environmental factors
- Texas
- plant competition
- rangelands
- Library Collection RecordPerennial plants collected from 5 north-central Arizona semiarid locations were assayed for tebuthiuron [N-5-(1,1-dimethylethyl)-1,3,4-thiadiazol-2-yl-N,N'-dimethylurea] and its metabolites…Publication Date 1991-05-01
- long term experiments
- herbicide residues
- metabolites
- Bouteloua eriopoda
- Bouteloua curtipendula
- tebuthiuron
- Poaceae
- Bouteloua gracilis
- shrubs
- semiarid zones
- application rates
- rangelands
- Arizona
- forage
- Library Collection RecordThe Water Erosion Prediction Project (WEPP) is a new water erosion prediction technology being developed by the USDA-Agricultural Research Service to replace the Universal Soil Loss Equation.…Publication Date 1991-05-01
- edaphic factors
- interception
- simulation models
- water erosion
- site factors
- soil types
- ground vegetation
- prediction
- steppes
- rain
- runoff
- prairies
- losses from soil
- rangelands
- canopy
- infiltration
- 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 RecordResearchers continue to oven- and air-dry extrusa samples from esophageally fistulated animals, despite evidence that this practice leads to erroneous nutritional evaluations. Two studies were…Publication Date 1988-07-01
- drying
- esophageal fistula
- phenolic compounds
- chemical composition
- sheep
- diet studies
- goats
- Brazil
- in vitro digestibility
- rangelands
- nutritive value
- forage
- Library Collection RecordThe recommended practice for pricklypear (Opuntia spp.) control in western Texas has been aerial spraying with a 1:1 mixture of 2,4,5-T [(2,4,5-trichlorophenoxy)acetic acid] and picloram (4-amino-3,5…Publication Date 1988-07-01
- physiology
- anatomy and morphology
- broadcast spraying
- spraying
- seasons
- Opuntia
- application timing
- herbicides
- weed control
- Texas
- rangelands
- Library Collection RecordInfiltration, sediment concentration of runoff, and sediment production from lightly grazed and ungrazed semiarid slopes were compared using a hand-portable rainfall simulator. The study slope was…Publication Date 1988-07-01
- hydrologic factors
- mountains
- mountain areas
- sediments
- highlands
- runoff
- slopes
- semiarid zones
- sheep
- rangelands
- grazing
- infiltration
- New Mexico
- Library Collection RecordIndian ricegrass [Oryzopsis hymenoides (Roem. and Schult.) Ricker] is a valuable forage species in the western United States; however, low fresh-seed germination has limited its use in rangeland…Publication Date 1988-07-01
- mechanical damage
- hulling
- testa
- seed storage
- Achnatherum hymenoides
- scarification
- Western United States
- land restoration
- seed germination
- seed dormancy
- range management
- rangelands
- Library Collection RecordThe bruchid beetle Acanthoscelides aureolus (Horn) is a major seed predator on American licorice (Glycyrrhiza lepidota Pursh) and other legumes in North America. Mature pods of American licorice from…Publication Date 1988-07-01
- Glycyrrhiza lepidota
- Acanthoscelides
- reproduction
- predation
- insect control
- surveys
- population dynamics
- seeds
- South Dakota
- rangelands
- insect pests
- Library Collection RecordThe effect of doe harvest on the physical development of orphaned fawns is an important unanswered question in white-tailed deer management. Twenty-seven white-tailed deer (Odocoileus virginianus)…Publication Date 1988-07-01
- harvesting
- physical development
- deer farming
- doe harvesting
- progeny
- Odocoileus virginianus
- growth
- Texas
- wildlife management
- rangelands
- Library Collection RecordWe designed a greenhouse study to test the following 2 hypotheses: (1) root growth of Wyoming big sagebrush (Artemisia tridentata ssp. wyomingensis) exceeds that of basin big sagebrush (A.t. ssp.…Publication Date 1988-07-01
- subspecies
- greenhouse experimentation
- habitat selection
- plant ecology
- root systems
- growth
- Wyoming
- Artemisia tridentata
- adaptability
- rangelands
- Library Collection RecordMost arid and semiarid rangeland plants form a mycorrhizal symbiosis with certain fungi through which the host plants absorb water and nutrients from the soil. Small mammals are known to disperse…Publication Date 1988-07-01
- mycorrhizal fungi
- spore dispersal
- symbiosis
- arid zones
- wildlife
- ecological succession
- vegetation
- mammals
- Oregon
- semiarid zones
- rangelands
- Library Collection RecordThe structure and arrangement of the grass spikelet may be summarized by use of a spikelet formula. The parts of the formula are stacked vertically to correspond to the parts of the grass spikelet.…Publication Date 1988-07-01
- teaching
- agrostology
- Poa
- taxonomy
- flowers
- inflorescences
- plant anatomy
- Poaceae
- rangelands
- Library Collection RecordDiaspores are disseminules specialized for dispersal and for other functions contributing to seedling establishment and seedling vigor. The winterfat (Eurotia lanata) diaspore consists of hairy…Publication Date 1988-07-01
- Grayia
- fruit
- diaspores
- bracts
- Atriplex
- plant morphology
- seeds
- Krascheninnikovia lanata
- establishment
- rangelands
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