Rangeland Ecology & Management
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- Library Collection RecordThis study was conducted on Chihuahuan desert range near Las Cruces, in southcentral New Mexico, to determine the relationship of blacktailed jackrabbit (Lepus californicus) densities to good (GC)…Publication Date 1993-11-01
- Lepus californicus
- botanical composition
- rangelands
- New Mexico
- Library Collection RecordResearch on fire in tallgrass prairie focuses almost exclusively on dormant season fires, primarily in winter and spring. Relatively little is known about the response of tallgrass prairie vegetation…Publication Date 1993-11-01
- fires
- fire effects
- Oklahoma
- prairies
- botanical composition
- Library Collection RecordRegression equations were developed to predict 3 mass components of 7 browse species important to moose (Alces gigas) on the Copper River Delta in southcentral Alaska. The accuracy of model…Publication Date 1993-07-01
- mass
- Alces alces
- leaves
- stems
- browse plants
- Alaska
- regression analysis
- botanical composition
- Library Collection RecordKnowledge of comparative diet selection by cattle and black-tailed jackrabbits (Lepus californicus) would permit better estimation of grazing capacity on Chihuahuan desert ranges. Cattle and black-…Publication Date 1993-07-01
- Lepus californicus
- stocking rate
- diet
- cattle
- botanical composition
- New Mexico
- poisonous plants
- Library Collection RecordLittle evidence has been found to relate fire intensity to herbaceous vegetation response. Our objective was to determine if components of post-fire herbaceous standing crop in a tallgrass prairie…Publication Date 1992-11-01
- canonical correlation
- fire behavior
- fire intensity
- grasslands
- fire ecology
- fires
- fire effects
- vegetation
- regrowth
- Oklahoma
- plant communities
- prairies
- rangelands
- grasses
- forage
- Library Collection RecordEditorial reply to "Viewpoint: sample adequacy for point analysis depends on the objectives," Journal of Range Management, vol. 45, no. 6, p. 595. This material was digitized as part of a…Publication Date 1992-11-01
- size
- public opinion
- mined soils
- ground cover
- reclamation
- statistical analysis
- vegetation
- sampling
- Library Collection RecordA 9-year grazing trial was conducted to compare shortgrass vegetation and steer responses under intensive-early stocking (IES) at 2 stocking rates to season-long stocking (SLS). The stocking rates…Publication Date 1993-03-01
- intensive forestry
- Kansas
- liveweight gain
- grazing trials
- stocking rate
- pastures
- steers
- sustainability
- botanical composition
- grazing
- beef cattle
- Library Collection RecordSoil water withdrawal and vegetation characteristics of mountain big sagebrush (Artemisia tridentala ssp. vaseyana Rydb. Beetie) areas sprayed with 2,4-D (2,4-Dichlorophenoxyacetic acid) were…Publication Date 1993-03-01
- 2,4-D
- brush control
- vegetation management
- chemical control
- soil water content
- biomass production
- Wyoming
- Artemisia tridentata
- botanical composition
- rangelands
- soil water regimes
- Library Collection RecordGraminoid standing crop in June 1985 on areas infested with white grubs (Phyllophaga anxia Leconte) (average density = 47 grubs m-2) was 92% less than on uninfested rangeland (average density < 2…Publication Date 1992-07-01
- Symphoricarpos occidentalis
- Artemisia absinthium
- Phyllophaga anxia
- stress response
- retrogression
- Weeds
- Infestation
- Poa pratensis
- ecological succession
- plant communities
- plant density
- prairies
- botanical composition
- North Dakota
- Library Collection RecordLadino white clover (Trifolium repens L.) is usually reestablished annually for cool-season and early warm-season pasture improvement. Careful pasture management during summer can encourage…Publication Date 1993-11-01
- Trifolium repens
- Louisiana
- botanical composition
- grazing
- Library Collection RecordThree methods for determining proportions of botanical components, i.e., grasses, legumes, and forbs (nonleguminous dicots), of continuously grazed Mediterranean pastures were compared. Percentage…Publication Date 1993-05-01
- Portugal
- determination
- specific contribution
- percentage contribution
- percentage of sward
- sward
- evaluation
- measurements
- pastures
- botanical composition
- Library Collection RecordThe decision to use double sampling with a regression or ratio estimator is not a simple task. This study was conducted to determine whether a ratio or regression estimator should be used to estimate…Publication Date 1993-01-01
- Monte Carlo method
- bootstrap variance estimates
- jackknife variance estimates
- variance
- regression analysis
- estimation
- vegetation
- sampling
- Bouteloua gracilis
- biomass
- Library Collection RecordRecent concerns about range condition measures are not the first concerns about measuring the health of rangelands. To examine why change has not occurred in this area, this paper explores the…Publication Date 1993-03-01
- theory
- climax communities
- plant ecology
- ecological succession
- botanical composition
- rangelands
- Library Collection RecordChanges in rangeland vegetation integrate the consequences of livestock grazing intensity and possible climate change, as well as other factors. Because vegetation changes tend to be very slow in dry…Publication Date 1992-11-01
- xerophytes
- Krascheninnikovia
- Hilaria
- change
- Hilaria jamesii
- eremosemium spinosa
- Achnatherum hymenoides
- ecological succession
- Chrysothamnus viscidiflorus
- vegetation
- Artemisia tridentata
- plant communities
- rangelands
- Utah
- livestock
- grazing
- Library Collection RecordPopular assumptions about ecosystem stability and the delicate balance of nature are found lacking when examined in terms of paleoecological, historical and current biochronological, and…Publication Date 1992-07-01
- biogeography
- extinction
- Larrea tridentata
- Weeds
- ecosystems
- biological control
- evolution
- paleoecology
- climax communities
- vegetation management
- plant ecology
- population dynamics
- vegetation
- botanical composition
- Library Collection RecordEditorial on "An evaluation of sample adequacy for point analysis of ground cover," Journal of Range Management, vol. 43, p. 545-549. This material was digitized as part of a cooperative…Publication Date 1992-11-01
- size
- public opinion
- mined soils
- ground cover
- reclamation
- statistical analysis
- vegetation
- sampling
- Library Collection RecordFecal analysis was used to determine the relationships between white-tailed deer (Odocoileus virginianus couesi [Coues and Yarrow]) and cattle diets (Beef Master, Hereford and criollo), in Durango,…Publication Date 1993-11-01
- animal competition
- foraging
- Mexico
- Odocoileus virginianus
- diet
- cattle
- botanical composition
- Library Collection RecordStudies were made at 2 rangeland areas in south Texas to measure canopy cover and distribution with an airborne laser profiler. In a comparison of laser and ground measurements of canopy cover on the…Publication Date 1992-03-01
- lasers
- evapotranspiration
- measurements
- remote sensing
- vegetation
- shrubs
- spatial distribution
- Texas
- rangelands
- Library Collection RecordConcerns for the future of California's oak-woodlands have intensified the need to better understand how different overstory species affect herbage standing crops and species frequencies. Data…Publication Date 1991-07-01
- topography
- understory
- woodland grasslands
- site factors
- Quercus douglasii
- Quercus wislizeni
- Pinus sabiniana
- annual grasslands
- ceanothus cuneatus
- herbage standing crop
- plant ecology
- species diversity
- ecological succession
- biomass production
- plant communities
- California
- botanical composition
- forage
- Library Collection RecordSeasonal grazing trials, conducted over 3 years at the Hopland Field Station in Mendocino County, Calif., tested the effects of 2 seasonal grazing strategies on within- and between-year production…Publication Date 1992-01-01
- Quercus douglasii
- annual grasslands
- grazing trials
- savannas
- selective grazing
- California
- sheep
- seasonal variation
- botanical composition
- grazing
- Library Collection RecordThe Sandy Ridge Site of southern New Mexico was studied to determine the dependance of total standing crop and components of standing crop on range condition rating. Total standing crop which…Publication Date 1991-11-01
- Prosopis glandulosa
- ecological succession
- botanical composition
- rangelands
- New Mexico
- forage
- Library Collection RecordChanges in total biomass and botanical composition in a native pasture of the Flooding Pampa in the Salado River Basin (Province of Buenos Aires), under 3 grazing systems: spring-summer rest (…Publication Date 1991-09-01
- Paspalum dilatatum
- Sporobolus indicus
- bothriochloa laguroides
- seasonal grazing
- Bothriochloa
- floodplains
- continuous grazing
- yields
- rotational grazing
- natural grasslands
- biomass production
- grazing intensity
- seasonal variation
- Argentina
- botanical composition
- grazing
- grasses
- Library Collection RecordThe accuracy of microhistological techniques for analysis of herbivore diets was evaluated with cattle, sheep, and Angora goats fed grass, forb, and shrub mixtures of known botanical compositions.…Publication Date 1992-03-01
- feces analysis
- assessment
- feces composition
- shrubs
- diets
- sheep
- goats
- cattle
- botanical composition
- grasses
- New Mexico
- forage
- feeding preferences
- Library Collection RecordLive oak (Quercus virginiana Mill.) competes with herbaceous plants, but provides browse and mast for white-tailed deer (Odocoileus virginianus Zimmerman). We determined the effects of treating live…Publication Date 1991-09-01
- grassland improvement
- nutritional status
- browse
- Quercus virginiana
- foraging
- tebuthiuron
- woodland grasslands
- weed control
- yields
- Odocoileus virginianus
- biomass production
- Texas
- botanical composition
- browsing
- grasses
- forage
- feeding preferences
- Library Collection RecordThis study investigated the effect of grazing by California bighorn sheep (Ovis canadensis californiana) on plant community structure. Over 28 months from 1977 to 1979, bighorn diet consisted of 79…Publication Date 1991-09-01
- Ovis canadensis
- Ovis canadensis californiana
- community ecology
- British Columbia
- grasslands
- plant ecology
- species diversity
- ecological succession
- feces composition
- vigor
- plant communities
- shrubs
- botanical composition
- grazing
- grasses
- forage
- feeding preferences
- Library Collection RecordInstantaneous intake rate (IIR) and instantaneous nutrient intake rate (INIR) by tame white-tailed deer (Odocoileus virginianus) of 9 common browse species in south Texas were studied to determine if…Publication Date 1991-11-01
- browse plants
- Odocoileus virginianus
- Texas
- botanical composition
- browsing
- Library Collection RecordLine transect procedures were used to estimate density of lesser prairie-chicken (Tympanuchus pallidicinctus) in tebuthiuron-treated and untreated sand shinnery oak (Quercus havardii Rydb.)…Publication Date 1991-07-01
- tympanuchus pallidicinctus
- population ecology
- habitat destruction
- Phasianidae
- tebuthiuron
- population density
- Quercus havardii
- vegetation
- Texas
- range management
- seasonal variation
- botanical composition
- rangelands
- New Mexico
- Library Collection RecordThe effect of late-autumn cattle grazing on plant biomass was examined in a western Great Plains cottonwood riparian zone prone to catastrophic flooding every 5-8 years. Following 1 year of pre-…Publication Date 1991-07-01
- autumn
- Populus
- floodplains
- Spartina
- Spartina pectinata
- environmental impact
- community ecology
- Populus deltoides subsp. monilifera
- standing biomass
- community composition
- riparian grasslands
- Salix
- leaves
- controlled grazing
- plant ecology
- flooding
- riparian buffers
- biomass production
- cattle
- biomass
- botanical composition
- grazing
- Colorado
- forage
- Library Collection RecordInterest in evaluating theoretical considerations in traditional methods of determining range condition have increased recently with application of different analytical techniques. In this study, the…Publication Date 1991-07-01
- cluster analysis
- quantitative climax approach
- deserts
- land classification
- secondary succession
- spatial variation
- climax communities
- grasslands
- plant ecology
- ecological succession
- pastures
- biomass production
- botanical composition
- rangelands
- New Mexico
- forage
- Library Collection RecordDissatisfaction persists with current approaches to range condition and trend assessment. Sometimes assessed condition does not truly represent the past or the potential of range. One of the likely…Publication Date 1991-09-01
- ordination
- site factors
- classification
- plant ecology
- ecological succession
- vegetation
- environmental factors
- range management
- rangelands
- Library Collection RecordTallgrass prairies are an important forage resource in the eastern Central Great Plains. The effect of spring burning, fertilization, and atrazine [6-chloro-N-ethyl-N'-(1-methylethyl)-1,3,5-…Publication Date 1992-05-01
- plant cultural practices
- Bromus inermis
- crop quality
- atrazine
- Poa pratensis
- fires
- fire effects
- nitrogen fertilizers
- Nebraska
- Sorghastrum nutans
- Andropogon gerardii
- prairies
- biomass
- range management
- botanical composition
- Library Collection RecordVegetational response of a nine-paddock, short-duration grazing cell was compared to that of a continuous pasture for a 5-year period in southcentral New Mexico. Differences in vegetational response…Publication Date 1991-07-01
- grazing time
- vegetation cover
- standing crop
- stocking rate
- pastures
- vegetation
- Bouteloua gracilis
- biomass production
- grazing intensity
- cattle
- biomass
- range management
- botanical composition
- grazing
- New Mexico
- Library Collection RecordAerial phytomass and litter dynamics of a grassland steppe in Patagonia, Argentina, were studied at either monthly or bimonthly intervals for 2 years. This area is characterized by a cold and wet…Publication Date 1990-03-01
- Poa
- Bromus
- Poa ligularis
- festuca pallescens
- rytidosperma virescens
- bromus setifolius
- hordeum comosum
- Hordeum
- Festuca
- steppes
- population dynamics
- pastures
- Poaceae
- biomass production
- range management
- Argentina
- botanical composition
- 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 RecordClearing and thinning of caatinga vegetation in northeastern Brazil are viewed as methods of optimizing forage and wood production. Our study compared the botanical composition of goat diets relative…Publication Date 1990-11-01
- tropical forests
- caatinga
- thinning
- goat feeding
- deciduous forests
- silvopastoral systems
- clearcutting
- woodland grasslands
- pastures
- natural grasslands
- diets
- goats
- Brazil
- biomass
- seasonal variation
- botanical composition
- canopy
- forage
- Library Collection RecordBotanical and chemical compositions of Angora goat (Capra hircus) diets, determined with esophageally cannulated animals, were studied with and independent of a cattle-sheep-goat herd in a short-…Publication Date 1990-03-01
- nutrient intake
- chemical composition
- pastures
- crude protein
- diets
- goats
- in vitro digestibility
- Texas
- botanical composition
- nutritive value
- grazing
- Library Collection RecordA 2-year experiment was conducted to determine the effect of 27 years of continuous grazing at moderate (7 ha/cow/yr) (MC) and heavy (5 ha/cow/yr) (HC) rates of stocking on seasonal diet selection…Publication Date 1990-07-01
- nutrient intake
- protein content
- stocking rate
- crude protein
- dietary supplements
- diets
- cattle
- in vitro digestibility
- seasonal variation
- botanical composition
- grazing
- forage
- Library Collection RecordDietary composition and quality, activity budgets, and foraging behavior of tame mule deer (Odocoileus hemionus hemionus) were monitored in winter to ascertain the effects of prior summer use of…Publication Date 1990-05-01
- overwintering
- snow
- foraging
- Odocoileus hemionus
- Odocoileus
- diet studies
- goats
- wildlife management
- botanical composition
- Utah
- browsing
- Library Collection RecordJustification for controlling honey mesquite (Prosopis glandulosa Torr. var. glandulosa) on rangelands has been traditionally related to enhanced livestock production from increased herbage…Publication Date 1991-03-01
- net primary production
- water yield
- Bouteloua curtipendula
- Nassella leucotricha
- Prosopis glandulosa var. glandulosa
- brush control
- leaf area index
- pastures
- vegetation
- growth rate
- biomass production
- Texas
- range management
- forage
- Library Collection RecordDiet composition, performance, and production of calves and lambs grazing in combination were contrasted between a repeated-seasonal (RSG) (May-Sept.) and a 16-subunit, 1-herd high-performance short-…Publication Date 1990-07-01
- mixed grazing
- lambs
- mixed pastures
- controlled grazing
- liveweight gain
- calves
- grazing trials
- South Dakota
- stocking rate
- diets
- botanical composition
- feeding preferences
- Library Collection RecordIt is common in range science to base stocking rate estimates on range sites as units of forage production. However, little is known about how diet composition, quality, and intake may differ by…Publication Date 1990-03-01
- availability
- grazing pressure
- clay loam soils
- nutrient intake
- site factors
- pastures
- sandy loam soils
- heifers
- diets
- grazing behavior
- in vitro digestibility
- botanical composition
- nutritive value
- forage
- Library Collection RecordThe key to managing Arizona chaparral depends on creating and maintaining brush-free or savanna-like habitats. Brush control using fire, chemicals, and mechanical methods has been tested previously;…Publication Date 1991-03-01
- chaparral
- chaparral soils
- Quercus turbinella
- manual weed control
- soil density
- biological control
- controlled grazing
- brush control
- soil fertility
- stocking rate
- vegetation
- regrowth
- grazing intensity
- goats
- range management
- browsing
- grazing
- Arizona
- Library Collection RecordUtilization patterns of cattle were related to pasture characteristics in a nonrandom and complex manner. Six mixed brush pastures on the Rio Grande Plains (244-356 ha) that were topographically flat…Publication Date 1991-03-01
- consumption patterns
- availability
- mixed pastures
- foraging
- environmental factors
- grazing behavior
- spatial distribution
- cattle
- plant density
- Texas
- range management
- botanical composition
- grazing
- grasses
- forage
- Library Collection RecordThe phenology of 75 plant species belonging to an Artemesia tridentata Nutt./Agropyron spicutum (Pursh.) Scribn. & Smith plant community in southern British Columbia was recorded in 1978 and 1979…Publication Date 1990-07-01
- temporal distribution
- Pseudoroegneria spicata
- distribution
- British Columbia
- adaptation
- soil water content
- growth rate
- Artemisia tridentata
- plant communities
- spatial distribution
- drought
- range management
- phenology
- botanical composition
- forage
- Library Collection RecordA key to management of short duration grazing systems is maintaining proper rest periods for individual pastures, but information on the necessary length of rest periods for tallgrass prairie is…Publication Date 1991-03-01
- grazing time
- controlled grazing
- ecological succession
- stocking rate
- rotational grazing
- Oklahoma
- natural grasslands
- grazing intensity
- plant communities
- cattle
- prairies
- botanical composition
- grazing
- Library Collection RecordLittle information is available on goat nutrition and diet selection on shrub-dominated ranges. This study examined the botanical and nutritive composition of Angora and Spanish goat diets, and…Publication Date 1990-03-01
- alfalfa
- alfalfa hay
- digestible energy
- Quercus havardii
- fiber content
- pastures
- tannins
- hay
- crude protein
- feed supplements
- diets
- goats
- in vitro digestibility
- Texas
- botanical composition
- nutritive value
- forage
- feed intake
- Library Collection RecordThree rates of dried sewage sludge (22.5, 45.0, and 90.0 Mg (megagrams) ha-1), were applied to a degraded semiarid grassland site on the Upper Rio Puerto Watershed in west-central New Mexico. Various…Publication Date 1990-07-01
- heavy metals
- sewage sludge
- semiarid soils
- soil amendments
- grassland improvement
- population density
- soil fertility
- Gutierrezia sarothrae
- yields
- trace elements
- nutrient contents of plants
- Bouteloua gracilis
- growth rate
- botanical composition
- New Mexico
- forage
- Library Collection RecordA 4-year study was conducted on Cross Timbers range in north-central Oklahoma. Conventional seasonlong grazing (SLS) of stocker cattle was compared to intensive-early season stocking (IES). Stocking…Publication Date 1990-03-01
- forests
- liveweight gain
- stocking rate
- pastures
- vegetation
- Oklahoma
- prairies
- defoliation
- grazing
- beef cattle
- forage
- Library Collection RecordChanges in herbaceous plant density and canopy cover of creosotebush (Larrea tridentata Sesse & Moc. ex DC) and associated shrubs following brush control treatments were measured in Sonoran and…Publication Date 1991-03-01
- land imprinting
- railing
- Chihuahuan Desert
- Sonoran Desert
- Larrea tridentata
- xerophytes
- tillage
- manual weed control
- discing
- deserts
- tebuthiuron
- brush control
- Mexico
- forbs
- shrubs
- plant density
- botanical composition
- canopy
- grasses
- Arizona
- Library Collection RecordShort-duration grazing (SDG) has been purported to increase forage production and utilization compared to other grazing systems, and thus can sustain higher stocking rates. This study was designed to…Publication Date 1990-03-01
- availability
- stocking rate
- pastures
- cattle
- plant density
- Texas
- botanical composition
- grazing
- forage
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