Rangeland Ecology & Management
Get reliable science
Toggle Search
Result Type
Collection
Keywords
Document Type
Displaying 51 - 100 of 310 results
- Library Collection RecordDiets determined by bite count and microhistological analysis of esophageal extrusa and feces were compared for steers grazing on grass-shrublands in the northern Chihuahuan Desert. The study was…Publication Date 1997-01-01
- biting rates
- arid grasslands
- accuracy
- fistula
- continuous grazing
- feces composition
- esophagus
- diet
- rotational grazing
- steers
- botanical composition
- grazing
- New Mexico
- beef cattle
- Library Collection RecordFecal microhistology was used to estimate botanical composition of samples taken from Hereford (N = 11), Angus (N = 11) and Brangus (N = 37) 3 to 5 year-old cows in 3 seasons (October, 1991 and…Publication Date 1996-05-01
- sucklings
- xerophytes
- arid grasslands
- calves
- feces composition
- rain
- Brangus
- selective grazing
- breed differences
- Hereford
- beef cows
- Angus
- diets
- botanical composition
- New Mexico
- feeding preferences
- Library Collection RecordTarbush (Flourensia cernua DC.) contributes substantially to the Chihuahuan Desert shrub biomass, but is browsed sparingly by livestock. This study was designed to assess nutritional benefits and/or…Publication Date 1996-07-01
- pleuraphis mutica
- volatile fatty acids
- dose response
- leaves
- Flourensia
- rumen fluids
- water intake
- body weight
- fiber content
- crude protein
- digesta
- pH
- transit time
- sheep
- rumen fermentation
- grasses
- New Mexico
- dry matter
- feed intake
- Library Collection RecordFlourensia cernua DC. (tarbush) is a deciduous shrub with potential as a high-protein forage source for livestock. Twenty-four Polypay X Rambouillet wethers housed in metabolism crabs were used to…Publication Date 1996-07-01
- pleuraphis mutica
- cholesterol
- blood chemistry
- digestible protein
- nitrogen retention
- urea
- alfalfa
- nitrogen balance
- weed palatability
- leaves
- Flourensia
- body weight
- sheep
- grasses
- New Mexico
- dry matter
- feed intake
- Library Collection RecordTwenty two-year-old primiparous Angus X Hereford cows and their heifer calves were used to study effects of milk consumption on calf performance, suckling behavior, and forage intake. Ten cow-calf…Publication Date 1996-07-01
- restricted feeding
- sucklings
- physical activity
- calves
- body weight
- fiber content
- feeding behavior
- voluntary intake
- digestibility
- digesta
- Bouteloua gracilis
- nitrogen content
- biomass
- New Mexico
- beef cattle
- forage
- feed intake
- Library Collection RecordBroom snakeweed [Gutierrezia sarothrae (Pursh) Britton and Rusby] destruction by 1, 3, or 5 snakeweed grasshoppers [Hesperotettix viridis (Thomas)] per plant was quantified and compared with forage…Publication Date 1996-09-01
- Hesperotettix viridis
- biological control
- population density
- feeding
- weed control
- mortality
- Gutierrezia sarothrae
- range management
- Orthoptera
- New Mexico
- Library Collection RecordThirty-six weanling steer calves (avg wt = 174 +/- 14 kg) were grazed on either wheat, irrigated improved, or native rangeland pastures from December 1989 to December 1990. Irrigated improved…Publication Date 1995-11-01
- Triticum aestivum
- Festuca arundinacea
- irrigated pastures
- Cynodon dactylon
- grassland improvement
- liveweight gain
- Bothriochloa ischaemum
- yields
- chemical composition
- pastures
- diet
- steers
- digestibility
- New Mexico
- forage
- dry matter
- feed intake
- Elytrigia elongata
- Library Collection RecordFecal microhistology and chemistry were used to evaluate botanical composition and quality of diets selected by Brangus cattle grazing Chihuahuan desert range in 3 seasons; fall: October, 1991;…Publication Date 1995-11-01
- phenotypic correlation
- sires
- free range husbandry
- genetic variance
- autumn
- heritability
- feces composition
- Brangus
- pastures
- spring
- summer
- biomass
- botanical composition
- grazing
- New Mexico
- beef cattle
- feeding preferences
- Library Collection RecordResearch has been lacking on the influence of honey mesquite (Prosopis glandulosa Torr.) on forage production in the Chihuahuan desert. In 1964 honey mesquite was controlled (65% kill) with the…Publication Date 1996-01-01
- xerophytes
- woody weeds
- Prosopis glandulosa
- cost-benefit analysis
- brush control
- rain
- forbs
- biomass
- range management
- botanical composition
- canopy
- grazing
- grasses
- New Mexico
- Library Collection RecordMost economic assessments of grasshopper damage are based on how much plant tissue insects consume or destroy without considering factors that influence the ability of individual plants and…Publication Date 1996-11-01
- Aulocara elliotti
- Cyperaceae
- timing
- ambient temperature
- rain
- forbs
- Bouteloua gracilis
- biomass
- seasonal variation
- insect pests
- defoliation
- New Mexico
- Library Collection RecordProposals outlined in Rangeland Reform '94 have been perceived to greatly alter grazing use on public lands. In addition to new rules and regulations, the grazing fee would double under this…Publication Date 1996-05-01
- grazing permits
- land policy
- grazing tenancy
- econometric models
- public domain
- land values
- ranching
- range management
- New Mexico
- Library Collection RecordWe conducted a study in southern New Mexico to determine seasonal variation in botanical diet composition of cattle and to compare cow and steer diets. The climate and vegetation is typical of…Publication Date 1996-05-01
- semiarid grasslands
- gender differences
- feces composition
- winter
- spring
- selective grazing
- forbs
- beef cows
- steers
- shrubs
- diets
- seasonal variation
- botanical composition
- grasses
- New Mexico
- Library Collection RecordMined lands are reclaimed so the land can be used for other purposes after mining. At the La Plata Mine in New Mexico, post-mining land uses include livestock grazing and providing wildlife habitat.…Publication Date 1995-09-01
- Krascheninnikovia ceratoides
- top dressings
- Rhus trilobata
- Purshia tridentata
- Cercocarpus ledifolius
- Amelanchier alnifolia
- Juniperus osteosperma
- Artemisia frigida
- reclaimed land
- Pinus edulis
- Atriplex confertifolia
- soil types
- browse plants
- Chrysothamnus nauseosus
- coal mined land
- Atriplex canescens
- Artemisia tridentata
- Odocoileus hemionus
- shrubs
- Cervus elaphus canadensis
- botanical composition
- New Mexico
- plant height
- Library Collection RecordThe purpose of this research was to estimate the impacts of increased federal grazing fees on current holders of grazing permits on the Gila National Forest (GNF) in western New Mexico. A multi-…Publication Date 1997-01-01
- farm income
- fees
- grazing tenancy
- farm size
- economic impact
- ranching
- cost-benefit analysis
- linear models
- grazing intensity
- range management
- New Mexico
- beef cattle
- Library Collection RecordInformation is lacking on the influence of range condition on wildlife populations in the Chihuahuan Desert. Wildlife observations were made along transects on ranges in excellent and good ecological…Publication Date 1996-11-01
- arid grasslands
- wildlife
- species diversity
- range condition
- stocking rate
- pastures
- botanical composition
- grazing
- New Mexico
- Library Collection RecordLocoweed poisoning generally occurs in early spring when other forage is dormant or in short supply and locoweed is the main green plant available to grazing livestock. The objective of this study…Publication Date 1994-07-01
- Oxytropis sericea
- stocking rate
- spring
- grazing intensity
- phenology
- New Mexico
- beef cattle
- forage
- maturity stage
- Library Collection RecordFecal samples, evacuated rumen samples, and non-evacuated rumen samples were compared at different seasons as techniques for determining diet botanical composition of cattle. The study was conducted…Publication Date 1995-05-01
- fistulation
- rumen contents
- feces composition
- sampling
- seasonal variation
- botanical composition
- grazing
- New Mexico
- beef cattle
- Library Collection RecordCompetitive bidding is an acceptable way to determine an efficient price to both buyer and seller. The quasi-competitive bid structure used to price federal forage and lessor-provided services on the…Publication Date 1994-03-01
- rent
- valuation
- production costs
- rangelands
- grazing
- New Mexico
- forage
- Library Collection RecordLong-term influences of livestock grazing on vegetation around watering points was studied on 2 upland Chihuahuan desert ranges in southcentral New Mexico using regression analysis. One range had…Publication Date 1995-01-01
- drinking water
- arid zones
- stocking rate
- cattle
- range management
- botanical composition
- New Mexico
- poisonous plants
- Library Collection RecordForage improvement programs often select for increased crude protein and dry matter digestibility. Additionally, breeding programs may be interested in selecting for enhanced transpiration efficiency…Publication Date 1995-03-01
- isotopes
- discrimination
- Alopecurus arundinaceus
- Alopecurus
- carbon
- Medicago sativa
- errors
- calibration
- Agropyron desertorum
- prediction
- perennials
- water-use efficiency
- South Dakota
- infrared spectroscopy
- Utah
- grasses
- New Mexico
- Library Collection RecordInformation is limited on the influence of range condition on cattle diets in the Chihuahuan desert. Botanical composition of cattle diets on Chihuahuan desert ranges in excellent and good condition…Publication Date 1994-09-01
- Bouteloua eriopoda
- Sporobolus
- nutrient content
- Prosopis glandulosa
- arid lands
- feces
- diet
- phosphorus
- cattle feeding
- nitrogen content
- range management
- botanical composition
- grazing
- New Mexico
- beef cattle
- Library Collection RecordTarbush (Flourensia cernua DC.) is an abundant but generally unpalatable shrub native to the Chihuahuan Desert. The objective of this study was to examine the leaf surface chemistry of tarbush in…Publication Date 1994-11-01
- weed palatability
- leaves
- monoterpenoids
- Flourensia
- Flourensia cernua
- waxes
- surfaces
- chloroform
- volatile compounds
- epicuticular wax
- chemical composition
- ruminants
- New Mexico
- feeding preferences
- Library Collection RecordIn semiarid pinyon-juniper environments, the principal mechanisms of redistribution of water, sediments, nutrients, and contaminants are runoff and erosion. To study the phenomena underlying these…Publication Date 1994-07-01
- disturbed soils
- water balance
- pinyon-juniper
- hydrology
- water erosion
- rain
- runoff
- semiarid zones
- seasonal variation
- literature reviews
- infiltration
- New Mexico
- 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 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 RecordData collected over a 11-year period at 2 study areas near Vaughn and Roswell, N.M. were used to define equations that relate grass biomass to the amount of broom snakeweed (Gutierrezia sarothrae […Publication Date 1993-11-01
- understory
- Gutierrezia sarothrae
- Bouteloua gracilis
- biomass
- New Mexico
- 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 RecordHoney mesquite (Prosopis glandulosa Torr. var. glandulosa populations continue to expand and become more dense, even on areas once "successfully" treated either with herbicides or by…Publication Date 1992-11-01
- fenuron
- shrub invasion
- manual weed control
- deserts
- arid zones
- Prosopis glandulosa var. glandulosa
- grasslands
- brush control
- mortality
- seedlings
- chemical control
- plant density
- rangelands
- New Mexico
- 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 RecordLocoweed poisoning generally occurs in early spring. We evaluated cattle grazing of woolly locoweed (Astragalus mollissimus var. mollissimus Torr.) at Gladstone, N.M., and of white locoweed (…Publication Date 1993-09-01
- Oxytropis sericea
- Astragalus mollissimus
- feeding behavior
- cattle
- New Mexico
- Library Collection RecordContinuous low animal density grazing of tobosa [Hilaria mutica (Buckl.) Benth.] in the northern Chihuahuan desert results in nonuniform forage utilization. Stocking smaller tobosa rangeland paddocks…Publication Date 1993-11-01
- Hilaria mutica
- grazing
- New Mexico
- 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 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 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 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 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 RecordIn 1984, 99 Angus X Hereford cows (4- to 6-yr-olds) were assigned randomly to a 4-yr, 2 X 2 factorial study. Treatment assignment was permanent, and no new cows were added during the study. By 1987,…Publication Date 1992-03-01
- weaning weight
- calf feeding
- calving interval
- calf removal
- cows
- body condition
- reproductive performance
- crude protein
- protein supplements
- New Mexico
- 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 RecordSeeding rangeland is a challenge for rangeland scientists, especially on those soils with tendency to crusting. Although some information is available on how soil conditioners affect emergence of…Publication Date 1992-05-01
- soil treatment
- polyacrylamide
- setaria macrostachya
- Sporobolus airoides
- sowing
- Bouteloua curtipendula
- Panicum antidotale
- crusts
- seedling emergence
- stand establishment
- Bothriochloa ischaemum
- range management
- rangelands
- New Mexico
- 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 RecordField experiments conducted between 1982 to 1988 compared 2,4-D [(2,4-dichlorophenoxy)acetic acid] and metsulfuron [2-[[[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl) amino)carbonyl]amino]sulfonyl]benzoic…Publication Date 1991-11-01
- metsulfuron
- efficacy
- 2,4-D
- brush control
- Artemisia tridentata
- seasonal variation
- New Mexico
- Library Collection RecordIn vivo digestibility trials were conducted in metabolism stalls at New Mexico State University to evaluate the influence of leaves of true mountain mahogany (Cercocarpus montanus Raf.) and fourwing…Publication Date 1990-11-01
- digestible protein
- nitrogen retention
- feed conversion
- nitrogen balance
- toxicity
- Atriplex canescens
- chemical composition
- hay
- crude protein
- Bouteloua gracilis
- shrubs
- diets
- goats
- nutritive value
- Cercocarpus montanus
- New Mexico
- forage
- Library Collection RecordJunipers (Juniperus spp.) and pinyons (pinus edulis Engelm.) are reinfesting areas from which they have been removed and are encroaching into other areas. Controlling these trees while they are small…Publication Date 1990-05-01
- pesticide application
- Pinus edulis
- soil classification
- tebuthiuron
- brush control
- picloram
- range management
- Juniperus
- New Mexico
- Arizona
- Library Collection RecordHerbage biomass for blue grama (Bouteloua gracilis [H.B.K. Lag]), pinyon ricegrass (Piptochaetium fimbriatum [H.B.K.] Hitche.), New Mexico muhly (Muhlenbergia pauciflora Buckl.), other grasses and…Publication Date 1990-09-01
- mixed forests
- muhlenbergia pauciflora
- piptochaetium fimbriatum
- light penetration
- Muhlenbergia
- Juniperus monosperma
- silvopastoral systems
- forest ecology
- pinyon-juniper
- Pinus edulis
- understory
- pastures
- Poaceae
- Bouteloua gracilis
- biomass
- canopy
- New Mexico
- forage
- Library Collection RecordBehavioral characteristics of supplemented (S; 23% crude protein, 3.41 mcal DE/kg) and nonsupplemented (N) ewes grazing native New Mexico rangeland were monitored from December 1983 to August 1984.…Publication Date 1990-09-01
- lambing
- ewe feeding
- movement
- ewes
- liveweight gain
- winter
- spring
- dietary supplements
- natural grasslands
- summer
- diets
- grazing behavior
- New Mexico
- 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 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 RecordBest linear unbiased prediction (BLUP) procedures were used to separate genetic merit from environmental effects on 205-d weight (205-d wt) of calves produced by cows grazing 2 pasture systems.…Publication Date 1990-09-01
- liveweight gain
- calves
- continuous grazing
- progeny testing
- breeding value
- best linear unbiased prediction
- genetic effects
- responses
- environmental factors
- heifers
- rotational grazing
- diets
- cattle
- grazing
- New Mexico
- Library Collection RecordRehabilitation of degraded rangeland requires rebuilding the soil, including soil biota. In this study wheat straw, bark and wood chips, and dried municipal sludge were placed on native range plots…Publication Date 1989-01-01
- soil biology
- organic fertilizers
- microorganisms
- straw
- degradation
- rangeland soils
- soil amendments
- arthropods
- New Mexico