Rangeland Ecology & Management
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- Library Collection RecordSeven trials, independent of data used to develop fecal near infrared reflectance spectroscopy (NIRS) equations, were conducted to validate previously developed fecal NIRS equations for prediction of…Publication Date 1995-07-01
- reflectance
- organic matter
- protein content
- equations
- feces
- infrared spectroscopy
- crude protein
- forage
- Library Collection RecordThe canopy of Quercus douglasii H. & A. (blue oak) has been variously reported to enhance or suppress understory production. The effects of canopy removal have been reported only for the northern…Publication Date 1994-03-01
- production
- microenvironments
- plant interaction
- understory
- Quercus douglasii
- rain
- California
- biomass
- botanical composition
- canopy
- forage
- Library Collection RecordInformation on vegetative productivity and nutritive responses to burning in mesic, high elevation big sagebrush (Artemisia tridentata Nutt.) communities is limited. We investigated the effects of 2…Publication Date 1994-07-01
- land productivity
- wildlife
- ungulates
- prescribed burning
- crude protein
- Wyoming
- Artemisia tridentata
- grasses
- forage
- Library Collection RecordCattle are selective foragers in response to several plant attributes. We tested hypotheses that caespitose plants of various basal areas were equally susceptible to herbivory and were defoliated…Publication Date 1992-11-01
- size
- Agropyron desertorum
- palatability
- Oregon
- cattle feeding
- grazing behavior
- grazing
- forage
- feeding preferences
- Library Collection RecordThirteen grazing studies have recently documented diet botanical composition of cattle in tall forb plant communities on mountain rangelands. In forb-dominated plant communities, cattle selected…Publication Date 1992-11-01
- grazing trials
- mountain grasslands
- cattle feeding
- plant communities
- diets
- botanical composition
- Montana
- rangelands
- grazing
- forage
- feeding preferences
- Library Collection RecordThis study was initiated to determine the effects of defoliation frequency (based on amount of growth present), intensity, and length of grazing season on quantity and quality of big bluestem (…Publication Date 1992-11-01
- carbohydrates
- persistence
- Missouri
- protein content
- cutting frequency
- Andropogon gerardii
- crude protein
- grazing intensity
- in vitro digestibility
- defoliation
- quality
- grazing
- simulation
- forage
- Library Collection RecordCool-season introduced grass species are not recommended for season-long grazing in the northern Great Plains. They mature earlier than native species, which leads to an earlier loss in forage…Publication Date 1993-05-01
- Bromus inermis
- crop quality
- sloping land
- sown grasslands
- site factors
- Agropyron desertorum
- liveweight gain
- grazing trials
- Poaceae
- steers
- Pascopyrum smithii
- prairies
- pasture plants
- forage
- North Dakota
- Library Collection RecordLand managers of salt desert shrub and sagebrush steppe vegetation have concerns regarding appropriate stocking rates in summer for ephemeral stream riparian zones because of elevated levels of use…Publication Date 1992-07-01
- Populus deltoides
- crop quality
- streams
- habitat selection
- highlands
- protein content
- riparian buffers
- stocking rate
- crude protein
- Wyoming
- plant communities
- grazing behavior
- cattle
- seasonal variation
- forage
- dry matter
- Library Collection RecordThe effects of 3 brush cover proportions (Low Brush pasture: 52% brush/32% herbage, Medium Brush pasture: 62% brush/20% herbage, and High Brush pasture: 66% brush/12% herbage) on dietary selection of…Publication Date 1993-05-01
- Quercus coccifera
- availability
- Greece
- pastures
- shrubs
- diets
- goats
- seasonal variation
- botanical composition
- rangelands
- grazing
- forage
- Library Collection RecordIrrigated cool-season grasses can be used as complementary forages with other forage resources. Improved efficiency of animal production from irrigated pasture could increase their utility as a…Publication Date 1993-01-01
- Alopecurus arundinaceus
- Bromus biebersteinii
- Alopecurus
- Bromus inermis
- Elytrigia intermedia subsp. intermedia
- Dactylis glomerata
- irrigated pastures
- carrying capacity
- liveweight gain
- Nebraska
- beef production
- quality
- pasture plants
- grazing
- beef cattle
- forage
- Library Collection RecordTwo simulated pasture studies were carried out at Swift Current, Sask., to determine the effects of date and height of first harvest in the year following establishment on the yield of 4 species in…Publication Date 1992-07-01
- dryland conditions
- cutting height
- Leymus angustus
- Medicago sativa
- timing
- Psathyrostachys juncea
- Agropyron desertorum
- cutting date
- Saskatchewan
- regrowth
- dry environmental conditions
- crop yield
- pasture plants
- grazing
- simulation
- forage
- Library Collection RecordAn extensive food plot program maintained for 4 years on the National Red Dirt Wildlife Management Preserve of the Kisatchie National Forest, La., failed to produce improvements in southern pine-…Publication Date 1993-03-01
- national forests
- hunting
- Louisiana
- Odocoileus virginianus
- feeding behavior
- dietary supplements
- wildlife management
- forage
- Library Collection RecordResearch was conducted at the Sonora Research Station during a 4-year period (1984 to 1988) to measure differences in herbaceous vegetation response between two 7-pasture 1-herd grazing systems.…Publication Date 1993-03-01
- ewes
- dry matter accumulation
- grazing trials
- ecological succession
- stocking rate
- pastures
- heifers
- growth rate
- grazing intensity
- Texas
- botanical composition
- grazing
- forage
- Library Collection RecordGlobemallows (Sphaeralcea spp.) are native, drought-resistant forbs of interest for inclusion in seed mixtures for semiarid rangeland renovation. Little is known of their nutritional value for…Publication Date 1993-03-01
- Sphaeralcea
- sphaeralcea grossulariifolia
- sphaeralcea parvifolia
- Sphaeralcea coccinea
- nutrient content
- arid lands
- pastures
- Idaho
- diets
- sheep
- grazing behavior
- nutritive value
- forage
- 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 RecordThis file contains descriptions and instructions of how to use the 37 worksheets within the Forage Monitoring spreadsheet.
- forage
- 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
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