Rangeland Ecology & Management
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- 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 RecordOne experiment involving steers fed low-quality grass diets singly and mixed with native forbs, native shrubs, or alfalfa (Medicago sativa L.) was conducted to compare the influence of these diets on…Publication Date 1992-11-01
- croton pottsii
- ammonia
- native plants
- volatile fatty acids
- Sphaeralcea coccinea
- Medicago sativa
- dietary fiber
- Atriplex canescens
- Croton
- steers
- digestibility
- digesta
- kinetics
- pH
- cattle feeding
- shrubs
- diets
- rumen fermentation
- rangelands
- Cercocarpus montanus
- New Mexico
- forage
- Library Collection RecordStocking rates and grazing strategies may alter botanical composition of rangeland vegetation by altering frequency and intensity of defoliation of individual plant species. We used long-interval…Publication Date 1993-03-01
- mixed pastures
- grazing trials
- stocking rate
- rotational grazing
- steers
- Pascopyrum smithii
- Bouteloua gracilis
- tillers
- grazing intensity
- botanical composition
- defoliation
- grazing
- forage
- Library Collection RecordBecause of widespread concern about cattle grazing effects on riparian zones of public lands, seasonal habitat selection by cattle was studied along a cold desert area ephemeral waterway of…Publication Date 1992-07-01
- crop quality
- streams
- habitat selection
- highlands
- protein content
- riparian buffers
- crude protein
- Wyoming
- grazing behavior
- cattle
- seasonal variation
- grazing
- forage
- dry matter
- feeding preferences
- Library Collection RecordIncreasing populations of big game animals are a problem for private landowners in some parts of western North America. Influence of bit game costs, hunting-related income, noneconomic benefits, size…Publication Date 1993-01-01
- crop damage
- game animals
- private ownership
- yield losses
- costs and returns
- surveys
- population density
- hunting
- Odocoileus virginianus
- Antilocapra americana
- Odocoileus hemionus
- Cervus elaphus canadensis
- wildlife management
- crop yield
- Montana
- rangelands
- forage
- Library Collection RecordEffects of burning, mowing, and 2,4-D on antelope bitterbrush (Purshia tridentata Pursh.) nutrient contents were evaluated in southcentral Wyoming. During the first growing season following…Publication Date 1992-09-01
- mowing
- 2,4-D
- crop quality
- ash
- Purshia tridentata
- fires
- fire effects
- pastures
- winter
- prescribed burning
- phosphorus
- summer
- Wyoming
- in vitro digestibility
- nitrogen content
- range management
- seasonal variation
- nutritive value
- forage
- chemical constituents of plants
- Library Collection RecordExperiments were conducted to investigate efficiency in analysis of fecal samples by near infrared reflectance spectroscopy (NIRS) to predict cattle forage diet quality. Stability of fecal samples…Publication Date 1993-05-01
- sample processing
- handling
- chemical analysis
- organic matter
- evaluation
- feces composition
- infrared spectroscopy
- digestibility
- crude protein
- diets
- cattle
- nutritive value
- forage
- Library Collection RecordA 3-year field study was conducted near Grassrange, Montana. (Latitude 46 degrees 50'N and Longitude 108 degrees 50'W) to determine the effect of leafy spurge (Euphorbia esula L.) shoot…Publication Date 1992-07-01
- Euphorbia esula
- weed control
- chemical control
- pastures
- grazing behavior
- cattle
- plant density
- picloram
- Montana
- forage
- Library Collection RecordEight ruminally cannulated crossbred steers (average weight 336 kg) grazing native blue grama (Bouteloua gracilis [H.B.K.]) rangeland were used in a repeated measures design to evaluate effects of…Publication Date 1993-05-01
- monensin ruminal delivery devices
- crop growth stage
- organic matter
- crop quality
- grazing trials
- steers
- digestibility
- monensin
- Bouteloua gracilis
- in vitro digestibility
- rumen fermentation
- phenology
- beef cattle
- forage
- feed intake
- Library Collection RecordLehmann lovegrass (Eragrostis lehmanniana Nees), a perennial bunchgrass from southern Africa, is replacing native grasses in Arizona. After the invasion, biomass production and quality may change.…Publication Date 1992-11-01
- seedheads
- leaves
- stems
- protein content
- phosphorus
- animal nutrition
- crude protein
- biomass production
- Eragrostis lehmanniana
- nutritive value
- quality
- forage
- chemical constituents of plants
- Library Collection RecordWhitetop or heart-podded hoary cress (Cardaria draba (L.) Desv.) is an Eurasian native of the Cruciferae actively invading rangelands throughout western North America. The plant is reported to be…Publication Date 1993-05-01
- Lepidium draba subsp. draba
- glucosinolates
- toxicity
- nutrient content
- poisonous weeds
- pastures
- sheep
- cattle
- in vitro digestibility
- nutritive value
- forage
- chemical constituents of plants
- Library Collection RecordImproving wildlife habitat through the introduction of nutritious forage species is a management tool that may be used to increase target populations such as deer. By increasing deer numbers the…Publication Date 1993-01-01
- Onobrychis viciifolia
- leucaena refusa
- engelmannia pinnatifida
- Leucaena
- Asteraceae
- Trifolium subterraneum
- Medicago sativa
- Desmanthus illinoensis
- browse plants
- protein content
- Desmanthus
- Atriplex canescens
- crude protein
- biomass production
- Odocoileus
- Texas
- wildlife management
- prairies
- rangelands
- nutritive value
- forage
- chemical constituents of plants
- 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 RecordAccumulation of wolf plants in rangeland pastures frequently results in waste or incomplete utilization of high quality forage by cattle. The objective of this research was to establish the degree of…Publication Date 1992-07-01
- crop growth stage
- Agropyron desertorum
- palatability
- grazing behavior
- cattle
- plant density
- phenology
- forage
- feeding preferences
- Library Collection RecordRussian thistle (Salsola iberica Sennen and Pau), a common weed found on overgrazed rangelands, abandoned farmlands, and other disturbed sites in the western United States, is often grazed by…Publication Date 1992-11-01
- sodium chloride
- nitrates
- oxalates
- nutrient solutions
- salinity
- saline water
- Salsola tragus
- calcium chloride
- salt stress
- lignin
- cell wall components
- fiber content
- nitrogen
- water quality
- nutritive value
- quality
- New Mexico
- forage
- chemical constituents of plants
- Library Collection RecordCrested wheatgrasses (Agropyron spp.) are grown on 6 million ha in the U.S. and Canada, where they provide excellent early-season forage, but lose nutritional quality by midsummer. Some producers…Publication Date 1992-07-01
- crop quality
- grass tetany
- Agropyron desertorum
- Agropyron fragile
- Agropyron cristatum
- regrowth
- phosphorus
- calcium
- crude protein
- in vitro digestibility
- nitrogen content
- seasonal variation
- crop yield
- nutritive value
- Utah
- forage
- chemical constituents of plants
- Library Collection RecordDetermination of live and dead herbage fractions from mixed herbage samples requires hand separation or specialized laboratory procedures. The constituent differential method is designed to determine…Publication Date 1993-03-01
- assessment
- measurements
- sampling
- forage
- dry matter
- chemical constituents of plants
- Library Collection RecordManagers and range scientists are interested in the response of such variables as forage production and animal performance to various environmental and management factors. Due to the inability to…Publication Date 1993-03-01
- data analysis
- simulation models
- mathematical models
- decision making
- range management
- rangelands
- forage
- Library Collection RecordGlobemallows (Sphaeralcea spp.) are well adapted to semiarid and arid environments. They are potentially useful as the forb component of seeding mixtures for rangeland improvement in the western…Publication Date 1993-03-01
- Sphaeralcea
- Medicago sativa
- arid lands
- Agropyron desertorum
- Agropyron cristatum
- species differences
- Idaho
- sheep
- grazing behavior
- pasture plants
- forage
- feeding preferences
- Library Collection RecordFrom a planting of antelope bitterbrush (Purshia tridentata Purshia DC) and 'Hobble Creek' mountain big sagebrush (Artemisia tridentata ssp. vaseyana Rydb. Beetle), pairs of plants were…Publication Date 1992-03-01
- monoterpenoids
- Purshia tridentata
- palatability
- winter
- Artemisia tridentata
- Odocoileus hemionus
- Utah
- forage
- feeding preferences
- chemical constituents of plants
- 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 RecordFreeze drying, conventional oven drying, and microwave oven drying were compared with respect to their effect on the chemical composition of native range forage and feces from cattle grazing the…Publication Date 1991-09-01
- convection dryers
- freeze drying
- forage dryers
- microwave dryers
- drying
- feces composition
- fiber content
- feces
- chemical composition
- pastures
- cattle
- forage
- Library Collection RecordPaper presented at the "Symposium on Ingestion of Poisonous Plants by Livestock," February 15, 1990, Reno, Nevada. A diverse array of secondary metabolites deters feeding by mammals on…Publication Date 1992-01-01
- mammals
- woody plants
- environmental factors
- tannins
- digestion
- herbivores
- regrowth
- secondary metabolites
- defense mechanisms
- browsing damage
- browsing
- forage
- chemical constituents of plants
- Library Collection RecordIntensive grazing strategies for the Nebraska Sandhills must be based on time and frequency of defoliation of key warm-season grasses. A 3-year field study was conducted in the Nebraska Sandhills to…Publication Date 1991-05-01
- buds
- Andropogon gerardii var. paucipilus
- timing
- clipping
- Calamovilfa longifolia
- dry matter accumulation
- cutting date
- cutting frequency
- Nebraska
- Andropogon gerardii
- tillers
- crop yield
- defoliation
- grazing
- forage
- 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 RecordTwo trials were conducted to compare diet samples collected in the evacuated rumen or through the esophageal fistula. Hypotheses tested were (1) rumen evacuation would not decrease selectivity, (2)…Publication Date 1991-09-01
- rumen
- fistulation
- grazing trials
- rumen contents
- chemical composition
- sampling
- esophagus
- cattle
- forage
- feed intake
- Library Collection RecordRevenues associated with controlling broom snakeweed (Xanthocephalum sarothrae) on 6 soils with heavy, moderate, and light infestations of snakeweed were estimated. The analysis considered economic…Publication Date 1991-05-01
- poisoning
- poisonous weeds
- economic analysis
- liveweight gain
- weed control
- Gutierrezia sarothrae
- reproductive performance
- chemical control
- profitability
- finishing
- picloram
- Texas
- New Mexico
- beef cattle
- forage
- Library Collection RecordTwo experiments were conducted to investigate the effects of restricted forage intake on patterns of chromium excretion to determine sample window duration and the accuracy and precision of fecal…Publication Date 1992-03-01
- chromium
- captec bolus
- boluses
- excretion
- estimation
- feces composition
- sampling
- steers
- cattle feeding
- quality
- beef cattle
- forage
- feed intake
- Library Collection RecordIn the central California region of annual rangeland, herbage production beneath blue oak (Quercus douglasii Hook & Arn.) canopies is greater and production beneath the canopies of interior live…Publication Date 1991-05-01
- cation exchange capacity
- edaphic factors
- soil organic matter
- soil density
- soil properties
- Quercus douglasii
- Quercus wislizeni
- Pinus sabiniana
- soil fertility
- pastures
- growth rate
- California
- rangelands
- canopy
- bulk density
- forage
- Library Collection RecordTo help local Niger government authorities and donor countries ameliorate conditions in the advent of drought, a rapid yet simple means to assess annual herbaceous production at the end of the rainy…Publication Date 1992-05-01
- Sahel
- Niger
- mathematical models
- prediction
- meteorological data
- regression analysis
- rain
- crop production
- biomass
- rangelands
- forage
- Library Collection RecordEfficacy of a continuous release marker device (CRD) containing chromium oxide to estimate fecal output was evaluated in two 12-day grazing trials with beef steers (n = 10, trial 1; n = 7, trial 2).…Publication Date 1991-05-01
- markers
- chromic oxide
- grazing trials
- feces
- sampling
- animal nutrition
- beef cattle
- forage
- feed intake
- Library Collection RecordIn vivo digestibility trials involving cattle (steers) and goats (wethers) fed shrub and nonshrub mixtures were conducted to evaluate the potential of fecal output, fecal nitrogen output, and fecal…Publication Date 1992-03-01
- energy metabolism
- wethers
- excretion
- Sphaeralcea coccinea
- nitrogen metabolism
- Atriplex canescens
- estimation
- feces composition
- Croton
- steers
- digestibility
- shrubs
- goats
- nutritive value
- quality
- Cercocarpus montanus
- New Mexico
- beef cattle
- forage
- feed intake
- 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 RecordThe usefulness of near infrared reflectance spectroscopy (NIRS) for predicting diet quality of free-ranging cattle through fecal analysis was examined. Diet samples were obtained with esophageal…Publication Date 1992-05-01
- organic matter
- protein content
- prediction
- feces
- infrared spectroscopy
- steers
- digestibility
- crude protein
- diets
- Texas
- nutritive value
- grazing
- beef cattle
- forage
- 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 RecordTwo experiments with steers were conducted to evaluate the influence of native forbs and shrubs on nitrogen utilization by cattle. Diets in Exp. 1 were blue grams (Bouteloua gracilis [H.B.K.]) (BG),…Publication Date 1992-03-01
- barley straw
- croton pottsii
- nitrogen retention
- Hordeum vulgare
- Sphaeralcea coccinea
- nitrogen metabolism
- Medicago sativa
- alfalfa
- alfalfa hay
- Atriplex canescens
- Croton
- hay
- steers
- cattle feeding
- Bouteloua gracilis
- shrubs
- rangelands
- nutritive value
- quality
- Cercocarpus montanus
- New Mexico
- beef cattle
- forage
- 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 RecordPaper presented at the "Symposium on Ingestion of Poisonous Plants by Livestock," February 15, 1990, Reno, Nevada. Livestock poisoning by plants is one of the serious causes of economic…Publication Date 1992-01-01
- livestock and meat industry
- losses
- economic impact
- toxicity
- Western United States
- sheep
- cattle
- forage
- poisonous plants
- Library Collection RecordThe concept of market interdependence is defined in this paper as the influence that public market quantity allocations and pricing decisions have on observed quantity and price in private markets.…Publication Date 1992-03-01
- market
- private sector
- public sector
- market interdependence
- fair market value
- malheur national wildlife refuge
- federal government
- regulation
- econometric models
- market prices
- Oregon
- United States
- forage
- 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 RecordVariable weather, forage production, weed and pest problems, and livestock prices contribute to uncertainty in range livestock production. Because returns from livestock production, in which…Publication Date 1991-05-01
- prices
- econometric models
- stochastic processes
- variability of returns
- risk
- costs and returns
- animal production
- stocking rate
- profitability
- sustainability
- range management
- livestock
- forage
- Library Collection RecordCottonseed hull fragments were identified in feces collected for the first 14 of 17 days after ingestion of 1 g cottonseed hulls by each of 4 adult nude white-tailed deer (Odocoileus virginianus).…Publication Date 1992-01-01
- cottonseed hulls
- estimation
- duration
- feces composition
- Odocoileus virginianus
- digestion
- digestibility
- forage
- Library Collection RecordWeeping lovegrass [Eragrostis curvula (Schrad.) Nees.] provides high quality forage during May, but growth of floral stems causes a rapid decline in forage quality. The study objective was to…Publication Date 1991-09-01
- mefluidide
- heading
- floral stems
- heading date
- leaves
- application timing
- Eragrostis curvula
- stems
- yields
- crude protein
- in vitro digestibility
- application rates
- phenology
- forage
- Library Collection RecordThe government must manage public rangeland in the face of alternative multiple use interests, including wildlife and domestic livestock production. The objectives of this study were to estimate a…Publication Date 1991-07-01
- linear programming
- mixed grazing
- production possibilities
- economic benefits
- production possibilities frontier
- marginal rates of substitution
- marginal returns
- animal production
- multiple land use
- cost-benefit analysis
- stocking rate
- Antilocapra americana
- biomass production
- Wyoming
- grazing intensity
- cattle
- range management
- rangelands
- forage
- Library Collection RecordIn vitro and in vivo digestion trials with lambs were conducted to determine effects of ponderosa pine needles (PN; Pinus ponderosa Laws.) on digestibility of crested wheatgrass (CW; Agropyron…Publication Date 1992-05-01
- nitrogen retention
- lambs
- toxicity
- conifer needles
- Agropyron desertorum
- Pinus ponderosa
- fiber content
- digestibility
- crude protein
- diets
- in vitro digestibility
- forage
- 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
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