Rangeland Ecology & Management
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- Library Collection RecordIn Panicoid grasses, elevation of the crown node above the soil surface caused by excessive subcoleoptile internode elongation is detrimental to seedling establishment. We describe a technique to…Publication Date 1993-09-01
- habit
- subcoleoptile internode
- coleoptiles
- species differences
- growth
- grasses
- Library Collection RecordEphemeral channels may be greater contributors to nonpoint sediment loads than perennial channels because of their abundance and lower vegetative cover. This study examines above- and belowground…Publication Date 1993-01-01
- channels
- cold deserts
- floodplains
- annuals
- deserts
- streams
- highlands
- riparian buffers
- perennials
- pastures
- woody plants
- precipitation
- sustainability
- Wyoming
- plant density
- grazing
- grasses
- Library Collection RecordIncorporation of crop residues into the soil prior to planting has been shown to reduce the growth of subsequent crops. Information is limited on the allelopathic effect of sericea lespedeza […Publication Date 1993-07-01
- crop residues
- seedling growth
- Lespedeza cuneata
- plant interaction
- seed germination
- grasses
- Library Collection RecordRoot exudates are substances released into the surrounding medium by healthy and intact plant roots. Research on root exudates has shown that root exudates can reduce seed germination and plant…Publication Date 1993-07-01
- root exudates
- Lespedeza cuneata
- plant interaction
- plant growth substances
- roots
- length
- biomass
- grasses
- Library Collection RecordGreen herbaceous phytomass was measured in August 1987 in grassland and sagebrush-grassland communities of Yellowstone National Park and related to August 1987 Landsat MSS data. A linear model using…Publication Date 1993-03-01
- satellite surveys
- availability
- Landsat
- national parks
- satellite imagery
- vegetation
- Wyoming
- biomass
- rangelands
- forage
- Library Collection RecordThe response of selected plant species to a single application of factorial combinations of nitrogen (N), phosphorus (P), and sulfur (S) on 2 lodgepole pine (Pinus contorta Dougl.) clearcut-logged…Publication Date 1993-05-01
- phosphorus fertilizers
- sulfur fertilizers
- crop quality
- grassland improvement
- British Columbia
- site factors
- protein content
- Calamagrostis rubescens
- Pinus contorta
- fiber content
- nitrogen fertilizers
- crude protein
- nitrogen content
- application rates
- crop yield
- nutritive value
- pasture plants
- grasses
- forage
- Library Collection RecordDuring 1981-83, we studied 19 grasses for potential improvement of dry tropical (1,001 mm annual rainfall) rangelands in Hainan Island, China. The productivity and persistence of the grasses were…Publication Date 1993-07-01
- clay loam soils
- sandy soils
- nitrogen fertilizers
- species differences
- China
- range management
- grasses
- Library Collection RecordIn 1974 we selected 8 pairs of gully headcuts on the Santa Rita Experimental Range. Mesquite (Prosopis velutina Woot.) on the watershed of 1 headcut of each pair was killed with diesel oil. Densities…Publication Date 1993-03-01
- Prosopis velutina
- semiarid grasslands
- watersheds
- soil erosion
- brush control
- vegetation management
- rain
- runoff
- plant density
- losses from soil
- rangelands
- grasses
- Arizona
- Library Collection RecordBecause of the ongoing controversy about shrub forage value for different ungulates and significance of the shrub communities for spring-fall grazing in southcentral Wyoming, the relative importance…Publication Date 1992-11-01
- livestock-wildlife relationships
- common use grazing
- common lands
- wildlife
- Purshia tridentata
- browse plants
- Cervus elaphus
- Antilocapra americana
- mountain grasslands
- Wyoming
- Artemisia tridentata
- plant communities
- Odocoileus hemionus
- shrubs
- diets
- sheep
- cattle
- rangelands
- grasses
- forage
- 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 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 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 RecordWater limits the establishment, growth, and production of cool-season grasses on semiarid rangelands, and plant improvement programs for these areas must be capable of screening breeding lines for…Publication Date 1993-05-01
- genetic improvement
- breeding programs
- osmotic adjustment
- plant-water relations
- water uptake
- plant breeding
- heritability
- genetic variation
- seedling emergence
- drought tolerance
- water-use efficiency
- Poaceae
- grasses
- 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 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 RecordFertilizer nitrogen (N) management and other cultural practices used in reclamation can have a significant effect on the successful revegetation of mined lands. Repeated fertilization of revegetated…Publication Date 1991-07-01
- annual dressings
- split dressings
- crimped straw mulches
- stubble mulching
- ammonium nitrate
- straw mulches
- mined soils
- reclamation
- Poaceae
- biomass production
- Wyoming
- land restoration
- application rates
- grasses
- forage
- 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 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 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 RecordThe dry-weight rank technique has been used to measure vegetation in various habitats but has not been evaluated in desert shrub habitats. We sampled browse, forb, and grass in the palo-verde (…Publication Date 1991-07-01
- Sonoran Desert
- ranking
- xerophytes
- mountains
- deserts
- semi-desert scrub
- browse
- measurements
- plant ecology
- sampling
- slopes
- grasses
- Arizona
- forage
- dry matter
- 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 RecordAboveground net primary production (ANPP) of the Patagonian steppe in southwestern Chubut (Argentina) was estimated using a harvest technique to assess the herbaceous (mainly grass) component and a…Publication Date 1991-09-01
- aboveground net primary production
- dry matter accumulation
- carrying capacity
- plant ecology
- steppes
- rain
- woody plants
- biomass production
- shrubs
- seasonal variation
- Argentina
- grasses
- Library Collection RecordProduction of total forage dry matter is mainly a function of available soil water and soil nitrogen (N), whereas plant morphological development from spring greenup to anthesis is primarily…Publication Date 1990-05-01
- morphogenesis
- Agropyron desertorum
- nitrogen fertilizers
- growth
- Pascopyrum smithii
- grasses
- North Dakota
- soil water
- 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 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 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 RecordCombined grazing by black-tailed prairie dogs (Cynomys ludovicianus) and bison (Bison) produces and maintains a series of changes in the vegetation of prairie dog colonies. However, because their…Publication Date 1991-03-01
- grazing time
- Cynomys ludovicianus
- mixed pastures
- bison
- controlled grazing
- South Dakota
- vegetation
- grazing intensity
- nitrogen content
- prairies
- biomass
- range management
- botanical composition
- grazing
- Library Collection RecordMany Nebraska Sandhills subirrigated meadows have shifted to predominantly cool-season grasses. Meadows are often cut in July when forage quality of cool-season is lower than that of warm-season…Publication Date 1989-03-01
- subsurface irrigation
- atrazine
- Nebraska
- grasses
- Library Collection RecordAtrazine [6-chloro-N-ethyl-N′-(1-methylethyl)-1,3,5-triazine-2,4-diamine] can be used to modify species composition of naturally subirrigated Sandhills meadows. The potential for ground water…Publication Date 1988-09-01
- groundwater contamination
- dispersion
- herbicide residues
- physicochemical properties
- atrazine
- herbicides
- Nebraska
- runoff
- vegetation
- kinetics
- range management
- Library Collection RecordForty-six clonal lines of a hybrid cross between Pseudoroegneria spicata [Pursh.] Scribn. and Smith × Elytrigia repens [L.] Beauv. were used to evaluate the influence of various chemical and…Publication Date 1989-01-01
- trials
- forage crops
- hybrids
- plant morphology
- pastures
- cattle
- in vitro digestibility
- phenology
- Montana
- grazing
- grasses
- feeding preferences
- chemical constituents of plants
- Library Collection RecordCombined greenhouse, laboratory, and field studies were conducted to develop techniques which could be used to characterize seed germination and seedling survival of a plant species when subjected to…Publication Date 1989-07-01
- sequences
- characterization
- Eragrostis trichophora
- Bouteloua curtipendula
- hybrids
- Eragrostis
- Panicum antidotale
- Eragrostis curvula
- seedling emergence
- drought tolerance
- stand establishment
- mortality
- soil water content
- seed germination
- Eragrostis lehmanniana
- grasses
- soil water regimes
- Library Collection RecordThe herbivore grazing optimization hypothesis predicts an increase in aboveground net primary productivity (ANPP) at a moderate grazing intensity. The hypothesis was tested by grazing controlled…Publication Date 1989-03-01
- Acrididae
- Aulocara elliotti
- land productivity
- herbivores
- grazing
- grasses
- Colorado
- Library Collection RecordAbove- and belowground net primary production (ANPP and BNPP) were compared between a 30-year-old crested wheatgrass site and an adjacent native shortgrass prairie. ANPP was estimated using…Publication Date 1989-03-01
- roots
- Agropyron cristatum
- Wyoming
- prairies
- biomass
- grasses
- 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 RecordA field study was conducted from 1981 through 1986 on an established stand of grass and legume species on topsoiled coalmine spoils in northwest Colorado to evaluate the effects of N and P…Publication Date 1989-07-01
- fodder legumes
- residual effects
- phosphorus fertilizers
- crop quality
- dry matter accumulation
- protein content
- coal mined land
- nitrogen fertilizers
- mountain grasslands
- crude protein
- growth rate
- plant density
- application rates
- range management
- crop yield
- botanical composition
- grasses
- Colorado
- forage
- Library Collection RecordA salt water blowout at an oil drilling site in 1982 in a badlands area of western North Dakota caused severe damage to the native vegetation. A study was initiated to measure the effect of…Publication Date 1989-01-01
- oil spills
- decontamination
- plant cover
- brine
- reclamation
- land restoration
- grasses
- forage
- North Dakota
- Library Collection RecordSilicon in forage reduces dry matter digestibility and may reduce grazing preference. Two studies were conducted with the following objectives: (1) to evaluate a method of determining grazing…Publication Date 1989-03-01
- silicon
- species differences
- Idaho
- sheep
- phenology
- grasses
- feeding preferences
- Library Collection RecordRotational grazing is commonly assumed to improve livestock distribution compared to continuous grazing, but little evidence supports this contention. Research was conducted on the effects of…Publication Date 1989-03-01
- rotational grazing
- Texas
- grasses
- beef cattle
- feeding preferences
- 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 RecordFour separate studies evaluated several herbicides for reducing competition from overwintering weeds on sandy rangeland in west Texas. Air temperature was 10 degrees C with soil moisture adequate for…Publication Date 1989-09-01
- 2,4-D
- dicamba
- picloram
- Texas
- plant competition
- grasses
- 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 objective of this research was to determine the effects of selected vegetation, soil, rock, and slope variables on infiltration of semiarid rangelands with slope gradients ranging from 0-70%.…Publication Date 1988-05-01
- rocks
- correlation
- semiarid soils
- rangeland soils
- soil depth
- hydrology
- vegetation
- slopes
- range management
- infiltration
- New Mexico
- soil water
- Library Collection RecordProbabilities of detecting frequency differences based on data obtained by random sampling were determined by computer simulation. Artificial, monotypic populations of known frequency were generated…Publication Date 1987-09-01
- hypothesis testing
- probability analysis
- frequency distribution
- computer simulation
- vegetation
- sampling
- botanical composition
- rangelands
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