Rangeland Ecology & Management
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- Library Collection RecordMapping the distribution and abundance of invasive plants is a high priority, but establishing cost-effective and practical techniques at appropriate scales remains elusive. Mesquite is a highly…Publication Date 2007-07-01
- aerial surveys
- Australia
- invasive plants
- mapping
- monitoring costs
- remote sensing
- visual estimation techniques
- Library Collection RecordScaled quail (Callipepla squamata) numbers were evaluated during and after a 2-year drought period using strip census techniques on 2 pastures in late seral rangeland ecological condition and 2…Publication Date 2003-07-01
- Callipepla
- population size
- Callipepla squamata
- game birds
- seral stages
- vegetation cover
- wildlife habitats
- arid lands
- ecological succession
- pastures
- grazing intensity
- biomass
- drought
- plant litter
- New Mexico
- upland game birds
- wildlife
- arid lands
- cattle grazing
- rangelands
- Library Collection RecordOff-road military vehicle traffic is a major consideration in the management of military lands. The objective of this study was to determine the impacts of military tracked M1A1 heavy combat tank…Publication Date 2003-07-01
- rocks
- soil conservation
- military lands
- vehicles
- desert soils
- vegetation cover
- land management
- land use
- soil erosion
- dry seasons
- wet season
- forbs
- shrubs
- sediment yield
- plant litter
- grasses
- New Mexico
- military lands
- soil stability
- site recovery
- seasonal drought
- Library Collection RecordMechanical clearing and herbicide-burn treatments were compared to evaluate saltcedar (Tamarix chinensis Lour.) control and recovery along the Rio Grande on the Bosque del Apache National Wildlife…Publication Date 2003-09-01
- plowing
- root plowing
- Tamarix chinensis
- imazapyr
- cost effectiveness
- plant volume
- brush cutting
- volume
- glyphosate
- stems
- height
- riparian areas
- brush control
- mortality
- cutting
- prescribed burning
- land restoration
- plant density
- invasive species
- canopy
- New Mexico
- plant height
- Riparian restoration
- imazapyr
- glyphosate
- prescribed fire
- root plowing
- root raking
- Library Collection RecordSustainable management of riparian ecosystems depends on our understanding of these complex systems. Thus far, the scientific literature has not adequately addressed the effects of livestock grazing…Publication Date 2004-09-01
- cottonwood
- populus angustifolia
- season of use
- Southwest
- New Mexico
- cattle
- Library Collection RecordSnakeweeds (broom, Gutierrezia sarothrae (Pursh) Britt Rusby); and threadleaf, G. microcephala (DC.) Gray) fall into that class of poisonous weeds that seldom cause direct livestock losses because…Publication Date 2002-05-01
- adverse effects
- Gutierrezia
- rats
- rabbits
- gutierrezia microcephala
- carrying capacity
- poisonous weeds
- range condition
- palatability
- herbicides
- weed control
- Gutierrezia sarothrae
- prescribed burning
- plant communities
- sheep
- cattle
- range management
- plant competition
- New Mexico
- poisonous plants
- range weed
- livestock grazing
- broom snakeweed (Gutierrezia sarothrae (Pursh) Britt & Rusby)
- threadleaf snakeweed (Gutierrezia microcephala DC.) Gray)
- Library Collection RecordAnecdotal evidence suggests that cattle fed alfalfa hay during the winter are inclined to graze locoweed on spring range. Two studies were conducted to compare the influence of feeding alfalfa hay vs…Publication Date 2002-07-01
- indolizidine alkaloids
- alfalfa
- alfalfa hay
- swainsonine
- Oxytropis sericea
- winter
- spring
- selective grazing
- beef cows
- hay
- diets
- prairies
- New Mexico
- Colorado
- feeding preferences
- poisonous plants
- Oxytropis sericea
- alfalfa hay
- grass hay
- cattle
- poisonous plants
- Library Collection RecordWhite locoweed (Oxytropis sericea Nutt. in TG) is widespread throughout the short-grass prairies and mountain grasslands and causes chronic poisoning of cattle, sheep, and horses. The objective of…Publication Date 2002-07-01
- leaf length
- flowering head height
- cutting height
- indolizidine alkaloids
- leaf area
- swainsonine
- age differences
- Oxytropis sericea
- stems
- mortality
- vigor
- precipitation
- drought
- Utah
- New Mexico
- Colorado
- plant height
- chemical constituents of plants
- poisonous plants
- white locoweed
- Oxytropis sericea
- poisonous plants
- population cycle
- Library Collection RecordRangeland ecological condition was monitored over a 48 year period on 41 sites on Bureau of Land Management rangelands scattered across 6 counties in southwestern New Mexico. All sites were grazed by…Publication Date 2002-07-01
- arid grasslands
- ground cover
- semiarid grasslands
- range condition
- precipitation
- sustainability
- grazing intensity
- plant communities
- drought
- range management
- botanical composition
- New Mexico
- beef cattle
- rangeland condition
- succession
- drought
- grazing management
- plant ecology
- Library Collection RecordBroom snakeweed (Gutierrezia sarothrae [Pursh] Britt. Rusby) is a major weed problem in the southwestern U.S. because it is toxic to livestock and suppresses forage productivity. In this study, broom…Publication Date 2002-11-01
- metsulfuron
- flowering date
- aerial spraying
- seedling establishment
- timing
- seed dispersal
- viability
- poisonous weeds
- seed productivity
- weed control
- Gutierrezia sarothrae
- seeds
- seedlings
- picloram
- New Mexico
- Gutierrezia sarothrae
- reproduction
- seed production
- seed dispersal
- seedling emergence
- seed viability
- herbicide control
- metsulfuron
- picloram
- Library Collection RecordState-and-transition models have received a great deal of attention since the introduction of the concept to range management in 1989. Nonetheless, only recently have sets of state-and-transition…Publication Date 2003-03-01
- community stability
- ecological sites
- ecosystem health
- indicators
- New Mexico
- vegetation dynamics
- Library Collection RecordBroom snakeweed (Gutierrezia sarothrae [Pursh] Britt Rusby) propagation was monitored from 1990 through 1998 following burning and herbicide control practices conducted on blue grama (Bouteloua…Publication Date 2000-03-01
- soil temperature
- seedling emergence
- weed control
- mortality
- Gutierrezia sarothrae
- fires
- fire effects
- air temperature
- rain
- seedlings
- prescribed burning
- Bouteloua gracilis
- picloram
- establishment
- seasonal variation
- canopy
- New Mexico
- Library Collection RecordBecause of the relatively low cost of seed and ease of establishment, more than 0.4 million ha of weeping lovegrass (Eragrostis curvula (Shrad.) Nees.) were planted on Conservation Reserve Program (…Publication Date 2000-05-01
- land policy
- urea fertilizers
- subsidies
- dryland farming
- costs and returns
- Eragrostis curvula
- sown grasslands
- market prices
- liveweight gain
- continuous grazing
- beef production
- rotational grazing
- application rates
- New Mexico
- beef cattle
- Conservation Reserve Program
- Eragrostis curvula (Shrad.) Ness.
- forage quality
- optimal stocking rates
- dryland farming
- grazing systems
- Library Collection RecordLivestock producers and others knowledgeable about the locoweed problem in northeastern New Mexico were surveyed to obtain the production information needed to estimate economic losses from locoweed…Publication Date 2000-07-01
- losses
- farmers' income
- estimated costs
- poisoning
- avoidance conditioning
- Oxytropis sericea
- Astragalus mollissimus
- controlled grazing
- poisonous weeds
- mathematical models
- production costs
- liveweight gain
- feedlots
- New Mexico
- beef cattle
- poisonous plants
- woolly locoweed
- Astragulus mollissimus Torr. var mollissimus
- white locoweed
- Oxytropis sericea (Nutt.)
- weed control
- grazing management
- Library Collection RecordRunoff hydrographs from 3 separate rainfall simulation runs at 11 different shortgrass prairie sites were evaluated to determine the hydrologic similarity within a single ecosystem at widely…Publication Date 2000-07-01
- loam soils
- clay soils
- steppe soils
- range condition
- rain
- South Dakota
- runoff
- sandy loam soils
- rainfall simulators
- Texas
- prairies
- biomass
- plant litter
- rangelands
- canopy
- New Mexico
- Colorado
- runoff
- rainfall simulation
- hydrograph
- time-to-peak
- Library Collection RecordRobust needlegrass (Achnatherum robustum [Vasey] Barkw. = Stipa robusta [Vasey] Scribn.) is a high-biomass rangeland species that is adapted to warmer temperatures and matures later than most cool-…Publication Date 2000-07-01
- New Mexico
- Arizona
- Colorado
- beef cattle
- forage
- Stipa
- dry matter
- feed intake
- feeding preferences
- plant height
- zero grazing
- Elytrigia elongata
- Acremonium
- endophytes
- Leymus chinensis
- ergot alkaloids
- ergometrine
- fungi
- roadside plants
- green fodders
- lysergic acid amide
- Stipa robusta
- Achnatherum robustum
- Acremonium
- ergonovine
- lysergic acid amide
- narcosis
- Neotyphodium
- sleepygrass
- Stipa robusta
- Library Collection RecordChanges in the amount or spatial distribution of grass plants are thought to be indicative of the stability of desert grasslands. This study assessed, through simulation, the sensitivity of…Publication Date 2001-01-01
- fetch length
- simulation models
- arid grasslands
- deserts
- canopy gaps
- range condition
- length
- sampling
- spatial distribution
- grasses
- New Mexico
- fetch length
- monitoring
- simulation
- Library Collection RecordCholla cactus may serve as an emergency feedstuff for livestock when forage availability is low. A study was conducted at the Corona Range and Livestock Research Center to evaluate the nutritive…Publication Date 2001-05-01
- processing technology
- spines
- opuntia imbricata
- moisture content
- organic matter
- burning
- leaves
- cows
- mineral content
- stems
- estimation
- fiber content
- feeds
- digestibility
- crude protein
- rumen fermentation
- nutritive value
- livestock
- New Mexico
- forage
- dry matter
- drought forages
- mineral content
- emergency feeding
- Library Collection RecordWhite (Oxytropis sericea Nutt. in T. G.) and Lambert (O. lambertii var. biglovii Pursh) locoweed grow adjacent to each other on the foothills of the Rocky Mountains from southeastern Wyoming to…Publication Date 2001-05-01
- flowering date
- Oxytropis lambertii
- pods
- plant development
- developmental stages
- Weeds
- alkaloids
- Infestation
- Oxytropis sericea
- selective grazing
- cattle
- phenology
- New Mexico
- feeding preferences
- poisonous plants
- Oxytropis lambertii
- Oxytropis sericea
- poisonous plants
- cattle grazing
- swainsonine
- Library Collection RecordProductivity of Barzona, Brangus, and Beefmaster cattle was evaluated on conservatively (n=2) (40 ha AU-1) and moderately (28.5 ha AU-1) stocked pastures (n=2) in the Chihuahuan Desert of south-…Publication Date 2000-01-01
- cattle breeds
- pregnancy rate
- farm income
- livestock numbers
- weaning weight
- arid grasslands
- arid zones
- production costs
- calves
- continuous grazing
- body weight
- rain
- Brangus
- Beefmaster
- barzona
- stocking rate
- breed differences
- beef cows
- shrubs
- botanical composition
- New Mexico
- beef cattle
- Library Collection RecordEmaciation is one of the clinical signs of locoweed poisoning but few studies have documented impacts of locoweed poisoning on weight gains. Stocker steers (British X Continental cross, 200-210 kg)…Publication Date 2000-01-01
- conditioning
- aversive conditioning
- swainsonine
- costs and returns
- poisoning
- weight losses
- feeding habits
- Oxytropis sericea
- poisonous weeds
- liveweight gain
- forbs
- steers
- prairies
- grasses
- New Mexico
- Library Collection RecordA study to assess characteristics of coyotes (Canis latrans Say) that attack livestock was conducted in southern New Mexico. During 4-16 April 1991, 38 Angora does (Capra hircus L.) and their 34…Publication Date 1997-05-01
- kids
- flocks
- free range husbandry
- livestock numbers
- coyotes
- predation
- angora
- goats
- New Mexico
- Library Collection RecordMultiple fires conducted in spring (March-April) and summer (June-July) on blue grama (Bouteloua gracilis [H.B. K. Lag.]) grassland near Corona, N.M. were used to relate broom snakeweed (Gutierrezia…Publication Date 1997-11-01
- weed control
- estimation
- mortality
- Gutierrezia sarothrae
- fires
- fire effects
- equations
- relative humidity
- wind speed
- air temperature
- duration
- shortgrass prairie
- spring
- prescribed burning
- summer
- Bouteloua gracilis
- temperature
- prairies
- New Mexico
- Library Collection RecordFederal land grazing fees have been set by a formula that uses a base rate developed from a 1966 study comparing total grazing costs on private and public lands. A similar market comparison was…Publication Date 1997-05-01
- valuation
- federal government
- permits
- leasing
- private ownership
- production costs
- Idaho
- Wyoming
- grazing
- New Mexico
- forage
- Library Collection RecordDiet botanical composition, fecal nitrogen percent, and fecal phosphorus percent were determined seasonally during 1991 and 1992 for 3 cattle breeds (Barzona, Brangus, Beefmaster) grazing late-seral…Publication Date 1998-05-01
- rain
- Brangus
- Beefmaster
- beef breeds
- barzona
- selective grazing
- breed differences
- cattle
- seasonal variation
- botanical composition
- New Mexico
- Library Collection RecordMonitoring shrubland vegetation change is important to rangeland assessment. Methods used to document shrubs vary with the intended use of information and the unit of observation. This study…Publication Date 1998-03-01
- volume
- Krascheninnikovia lanata
- Bouteloua gracilis
- grazing intensity
- plant communities
- plant density
- defoliation
- canopy
- New Mexico
- Library Collection RecordPrevious heavy grazing for more than 50 years, compared with protection from livestock grazing, in the semi-arid area of Chaco Canyon in the southwestern United States did not result in any…Publication Date 1998-01-01
- recalcitrant seeds
- genetic change
- strain differences
- Achnatherum hymenoides
- scarification
- viability
- frequency
- seed weight
- seed productivity
- cultivars
- seed germination
- seed dormancy
- defoliation
- grazing
- New Mexico
- Colorado
- Library Collection RecordWater budget modeling usually requires quantification of all possible processes of the hydrologic cycle. This includes rainfall interception. The purpose of this study was to estimate the potential…Publication Date 1998-01-01
- interception
- xerophytes
- evaporation
- crown
- Salsola tragus
- shoots
- Atriplex canescens
- Gutierrezia sarothrae
- rain
- weight
- grasses
- New Mexico
- dry matter
- plant height
- Library Collection RecordMany producers believe cattle grazing wheat pasture during the winter are likely to graze actively growing locoweed when turned onto short-grass prairie in the spring. White locoweed (Oxytropis…Publication Date 1997-05-01
- toxins
- warm-season grasses
- cool-season grasses
- Triticum aestivum
- swainsonine
- Oxytropis sericea
- winter
- spring
- selective grazing
- steers
- natural grasslands
- grazing
- grasses
- New Mexico
- feeding preferences
- Library Collection RecordManagement of grasslands subject to replacement by woody species requires an understanding of the scales and patterns of change and how to detect and express them. We used the Jornada del Muerto…Publication Date 1997-05-01
- mapping
- Landsat
- change
- ecological balance
- computer techniques
- remote sensing
- satellite imagery
- grasslands
- plant communities
- grazing
- New Mexico
- Library Collection RecordSeasonal wildlife observations were made along transects on 2 pastures in late seral and 2 pastures in mid seral condition in southcentral New Mexico in non-drought and drought years (1993, 1994).…Publication Date 1997-11-01
- seral stages
- wild birds
- arid zones
- wildlife
- climax communities
- grasslands
- rain
- pastures
- shrubs
- drought
- botanical composition
- New Mexico
- 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