Rangeland Ecology & Management
Get reliable science
Toggle Search
Result Type
Collection
Keywords
Document Type
Displaying 101 - 150 of 176 results
- Library Collection RecordBetween 1915 and 1932, 104 permanent 1 × 1-m quadrats were established on grasslands of the Jornada Experimental Range in southern New Mexico. Primary- and secondary-dominant species were determined…Publication Date 1987-03-01
- plant ecological groups
- scleropogon brevifolius
- Bouteloua eriopoda
- deserts
- Hilaria mutica
- grasslands
- dominant species
- plant ecology
- ecological succession
- woody plants
- Poaceae
- range management
- New Mexico
- Library Collection RecordPlant nitrate (NO_3-N) uptake rates are often low in desert environments because soil nitrogen levels are typically low, and mineralization and nitrification of nitrogen is moisture-dependent. During…Publication Date 1986-11-01
- nitrate reductase
- Panicum coloratum
- enzyme activity
- nitrogen metabolism
- developmental stages
- nitrate nitrogen
- deserts
- leaf water content
- leaf water potential
- drought
- New Mexico
- water stress
- Library Collection RecordProtein supplementation is widely used to enhance the nutritional status of cattle on rangeland. The effects of protein supplementation on particulate and fluid passage rates, rumen fermentation, and…Publication Date 1987-03-01
- volatile fatty acids
- alfalfa pellets
- alfalfa
- alfalfa hay
- ammonium nitrogen
- cottonseed meal
- liveweight gain
- hay
- dietary supplements
- pH
- transit time
- protein supplements
- rumen fermentation
- rangelands
- grazing
- New Mexico
- beef cattle
- Library Collection RecordMany studies have been made, and continue to be conducted, to determine infiltration rates and sediment production on rangelands. Most of these studies use small sample plots (<2 m2). This study…Publication Date 1987-05-01
- hydrology
- sediments
- soil erosion
- grasslands
- sampling
- rangelands
- infiltration
- New Mexico
- Library Collection RecordThe objectives of this study were to determine the influence of short duration grazing, continuous grazing, and grazing exclusion on infiltration rates on 2 range sites in southcentral and…Publication Date 1986-07-01
- grazing time
- hydrology
- grazing experiments
- rangelands
- grazing
- infiltration
- New Mexico
- Library Collection RecordTwo aerial applications of 2,4,5-T [2,4,5-trichlorophenoxy) acetic acid] were applied to 3,634 ha of mesquite (Prosopis glandulosa Torr. var. glandulosa) dunelands in southern New Mexico. Herbicide…Publication Date 1986-07-01
- Coleoptera
- duneland
- tetralopha euphenella
- soil biology
- aerial spraying
- herbicide residues
- birds
- ecosystems
- 2,4,5-T
- arid zones
- Prosopis glandulosa var. glandulosa
- weight
- mammals
- cattle
- rangelands
- New Mexico
- forage
- Library Collection RecordPrincipal component analysis (PCA) was used to interpret secondary succession of pinyon-juniper stands after cabling or bulldozing. Soil types were used to separate 93 sample units into 3 groupings.…Publication Date 1987-01-01
- principal component analysis
- bulldozing
- cabling
- quercus undulata
- mechanical methods
- plant community analysis
- secondary succession
- pinyon-juniper
- ecological succession
- range management
- botanical composition
- rangelands
- New Mexico
- Library Collection RecordPinyon (Pinus edulis Engelm.), one-seed juniper (Juniperus monosperma (Engelm.) Sarg.), and alligator juniper (J. deppeana Steud.) woodlands in southwestern New Mexico were thinned, were pushed with…Publication Date 1986-09-01
- Juniperus deppeana
- thinning
- Juniperus monosperma
- long term experiments
- Pinus edulis
- regenerative ability
- ecological succession
- woody plants
- woodlands
- plant density
- establishment
- New Mexico
- zero grazing
- Library Collection RecordLive and standing dead biomass, standing crop, and total nitrogen, within each component, were measured in a big sacaton (Sporobolus wrightii Monro) grassland in southeastern Arizona for 3 years to…Publication Date 1985-05-01
- Sporobolus wrightii
- Sporobolus
- soil
- biomass determination
- grasslands
- vegetation
- nitrogen content
- Texas
- grazing
- New Mexico
- Arizona
- Library Collection RecordFour field trials were conducted from early August to late October, 1982, on blue grama (Bouteloua gracilis) rangeland in south-central New Mexico to examine relationships among grazing season, diet…Publication Date 1985-11-01
- Bouteloua gracilis
- diets
- rumen fermentation
- seasonal variation
- rangelands
- grazing
- New Mexico
- beef cattle
- forage
- Library Collection RecordFour field trials were conducted from early August to late October, 1982, on blue grama (Bouteloua gracilis) rangeland in south-central New Mexico, to examine relationships among grazing season,…Publication Date 1985-11-01
- nutrients
- digestion
- digesta
- Bouteloua gracilis
- seasonal variation
- rangelands
- grazing
- New Mexico
- beef cattle
- forage
- feed intake
- Library Collection RecordVarious rates of tebuthiuron pellets were aerially applied on rangelands in the Southwest to determine effects on noxious shrubs. Creosotebush (Larrea tridentata) and tarbush (Flourensia cernua)…Publication Date 1985-09-01
- arid zones
- tebuthiuron
- brush control
- woody plants
- rangelands
- New Mexico
- Arizona
- poisonous plants
- Library Collection RecordGreen needlegrass (Stipa viridula Trin.) is commonly used in range seedings and revegetation of disturbed lands in the northern Great Plains. This study was conducted to determine the influence of…Publication Date 1985-05-01
- Great Plains
- planting methods
- Soil Conservation Service
- plant materials center, bismarck, north dakota
- anatomy and morphology
- rooting
- Nassella viridula
- Canada
- seedlings
- New Mexico
- Arizona
- Library Collection RecordTerminal infiltration rates under sagebrush canopies were about 35% higher than interspace areas at 3 study sites in northern New Mexico. Differences in infiltration rates among strata may largely be…Publication Date 1986-03-01
- deserts
- sediments
- ground cover
- tebuthiuron
- brush control
- chemical control
- runoff
- vegetation
- Artemisia tridentata
- rangelands
- canopy
- infiltration
- New Mexico
- soil texture
- Library Collection RecordStudies were conducted in the Sacramento Mountains, New Mexico, to determine the influence of juniper (Juniperus monosperma [Engelm.] Sarg.) canopy on understory vegetation. The basal area of grass…Publication Date 1985-07-01
- montane forests
- Juniperus monosperma
- shading
- ground cover plants
- plant community analysis
- canopy
- New Mexico
- Library Collection RecordNine esophageal-fistulated and 12 rumen-cannulated steers were randomly allotted to 3 equal supplement groups: cottonseed cake (CSC), ground, pelleted alfalfa hay (ALF), or no supplement (CON).…Publication Date 1985-05-01
- protein
- steers
- dietary supplements
- grazing
- New Mexico
- Library Collection RecordThe effects of pinyon (Pinus edulis)-juniper (Juniperus spp.) treatments on rodent abundance, 13 to 18 years after treatment, were studied in southwestern New Mexico from 1981 to 1983. Treatments…Publication Date 1986-01-01
- shifting cultivation
- plant pests
- habitat destruction
- rodents
- ecological balance
- Pinus edulis
- woodlands
- Juniperus
- New Mexico
- Library Collection RecordDiet samples were collected from cows grazing a four-pasture, one-herd rotation system and a yearlong pasture. Differences in botanical content of the diet between the two systems was not consistent…Publication Date 1984-01-01
- New Mexico
- Library Collection RecordThis study compared part-year confinement of cows with yearlong placement on rangeland and weaning calves in late May with regular weaning in mid-October. Weaning rates tended to be higher with part-…Publication Date 1984-03-01
- New Mexico
- Library Collection RecordLocoweed (Oxytropis sericea) poisoning was confirmed in 16 free-ranging elk (Cervus elaphus nelsoni) from northern New Mexico over a 5-year period, 1977-81. Clinical signs consistently seen were…Publication Date 1984-01-01
- New Mexico
- Library Collection RecordThe purpose of this study was to evaluate vegetation, soils, infiltration rates, and sediment production as they relate to livestock exclusion, continuous heavy grazing, continuous moderate grazing,…Publication Date 1984-11-01
- bare ground
- hydrologic response
- Fort Stanton
- Livestock Exclusion
- Continuous Heavy Grazing
- Continuous Moderate Grazing
- Fort Stanton Experimental Range
- foliar cover
- standing biomass
- microrelief
- infiltration rates
- sediment production
- litter cover
- Rotation Grazing
- organic matter
- grazing management
- soil
- vegetation
- New Mexico
- Library Collection RecordPlanting trials in southern New Mexico with fourwing saltbush seeds on mesquite dunes and on shaded and nonshaded interdune areas during 3 successive years revealed that seedling emergence was always…Publication Date 1984-01-01
- New Mexico
- Library Collection RecordVegetation canopy cover on upland and lowland sites inside and outside a 22-year-old exclosure in big sagebrush (Artemisia tridentata tridentata) range was evaluated by sampling for canopy cover. The…Publication Date 1983-07-01
- New Mexico
- Artemisia tridentata
- Library Collection RecordManipulation of Gambel oak for enhanced rangeland values must be in accord with ecological principles to ensure desired success. Failures in controlling Gambel oak have occurred because the growth…Publication Date 1983-05-01
- Utah
- New Mexico
- Arizona
- Colorado
- Quercus gambelii
- brush problem species
- Library Collection RecordThis study was conducted in the greenhouse to determine the effect of limited irrigation of topsoiled sodic shaley spoil with water of various salinities on the emergence and growth of 2 native plant…Publication Date 1983-11-01
- New Mexico
- Library Collection RecordThe objective of this study was to determine the interception by tarbush of artificially applied rainfall. Twelve tarbush shrubs were collected near Las Cruces in southern New Mexico to obtain a…Publication Date 1983-07-01
- New Mexico
- Flourensia cernua
- Library Collection RecordA glasshouse study was conducted to determine how nonfertilized and fertilized soils collected in creosotebush [Larrea tridentata (DC.) Cov.] communities would influence seedling leaf growth and…Publication Date 1983-11-01
- California
- Texas
- New Mexico
- Arizona
- Library Collection RecordOn the Jornada Experimental Range in southern New Mexico, 2 belt transects, 30.5 cm in width and totaling 2,188 m in length, were established in 1935 on 2 areas where honey mesquite (Prosopis…Publication Date 1983-05-01
- New Mexico
- Prosopis glandulosa
- grama
- Bouteloua eriopoda
- grazing resources
- Library Collection RecordWater absorption and retention by hard caliche nodules (rocks) collected from soils in southern New Mexico were determined. The rate of water uptake by the caliche rocks was rapid and water content…Publication Date 1983-11-01
- New Mexico
- Library Collection RecordOver a 3-year period, soil-plant systems of velvet mesquite and palo verde from the Sonoran Desert were sampled by standing crop, litter, and soil components and analyzed to describe the amount and…Publication Date 1982-07-01
- deserts
- New Mexico
- Prosopis juliflora
- Cerdicium floridum
- Sonoran Desert
- Library Collection RecordThis study evaluated 3 procedures for calculating dry weight composition of forage mixtures when microhistological analysis was used. Dividing the frequency of each species by the total frequencies…Publication Date 1982-11-01
- Calculation Procedures
- microhistological analysis
- Forage Mixtures
- weight composition
- dry weight
- evaluation
- density
- frequency
- New Mexico
- Library Collection RecordMesquite (Prosopis juliflora) is a major unwanted plant in the Southwest. This study evaluated the herbage responses obtained from various aerial applications of 2,4,5-T on mesquites in southern New…Publication Date 1983-03-01
- aerial spraying
- Prosopis juliflora
- 2,4,5-T
- weed control
- range management
- New Mexico
- Library Collection RecordThe impact of the burrowing activity of the bannertail kangaroo rat (Dipodomys spectabilis) on southern New Mexico desert rangelands was investigated. The study was conducted on black grama (…Publication Date 1982-11-01
- Sporobolus
- burrowing
- area
- foraging
- bannertail
- Kangaroo Rat
- bannertail
- Desert Rangelands
- Dipodomys spectabilis
- Dropseed
- Bouteloua eriopoda
- Prosopis glandulosa
- New Mexico State University College Ranch
- Mound Density
- black grama
- composition
- mesquite
- New Mexico
- Library Collection RecordSoil levels were marked on grid and transect stakes in mesquite duneland and grassland areas at 3 sites on the Jornada Experimental Range in 1933 and 1935. Soil levels on one set of transect stakes…Publication Date 1983-03-01
- New Mexico
- Prosopis glandulosa
- erosion rates
- Library Collection RecordVegetational comparisons were made between areas where pinyon-juniper vegetation had been cabled in 1954 and uncabled areas. Total tree density on the cabled areas was about 80% of that on control…Publication Date 1983-01-01
- New Mexico
- Pinus edulis
- Juniperus monosperma
- invading grassland
- Library Collection RecordPopulation density and larval development of range caterpillar (Hemileuca oliviae Cockerell) were influenced by topographic position. Larval populations on ridges and upper slopes were in earlier…Publication Date 1981-09-01
- Oklahoma
- Texas
- New Mexico
- Colorado
- Library Collection RecordThe relationships of the principal destructive and potentially destructive insects associated with Xanthocephalum microcephalum (DC) Shinners (threadleaf snakeweed) and Xanthocephalum sarothrae (…Publication Date 1982-03-01
- Texas
- New Mexico
- Library Collection RecordOptimum average temperatures for germination of lotebush (Ziziphus obtusifolia var. obtusifolia) seeds in the laboratory were 20 degrees to 30 degrees C. Although some germination occurred without…Publication Date 1981-09-01
- Mexico
- Texas
- New Mexico
- Arizona
- Library Collection RecordComplete removal of broom snakeweed resulted in perennial grass production 833% of that on untreated rangeland after one growing season, and 712% and 300% the second and third year, on a pasture…Publication Date 1982-03-01
- New Mexico
- Library Collection RecordImmature and adult insects representing 8 orders, 86 families, and 338 species were collected from broom snakeweed (Xanthocephalum sarothrae) or threadleaf snakeweed (X. microcephala) in the western…Publication Date 1981-11-01
- Texas
- New Mexico
- Library Collection RecordThe effects of fire on vegetation in the desert mountain shrub community were studied on 3 to 7-year-old burned sites near the northern limits of the Chihuahuan Desert. Coverage and frequency of…Publication Date 1982-01-01
- Texas
- New Mexico
- Library Collection RecordGrowth patterns of broom snakeweed were studied on three areas of sandy range sites in southern New Mexico by measuring plant canopy biweekly during the growing season and calculating canopy volume.…Publication Date 1980-09-01
- New Mexico
- Library Collection RecordSheep were found to be affected by several factors related to the mountainous terrain. Slope steepness, percent bareground, and position on slope were the three most important factors influencing…Publication Date 1981-03-01
- New Mexico
- Library Collection RecordBotanical composition of cattle diets was similar for cattle grazing a nitrogen- fertilized and unfertilized upland range site. Sand dropseed and blue grama were the major dietary components on both…Publication Date 1979-09-01
- New Mexico
- Library Collection RecordDuring 1976 a study of annual production and cover (litter + rock + vegetation) on various range improvement practices was conducted in Utah, Colorado, New Mexico, and Arizona. The range improvement…Publication Date 1979-03-01
- river basins
- Utah
- New Mexico
- Arizona
- Colorado
- Library Collection RecordDuring 1976 a study of soil profile salt concentrations and probable salt loading by surface runoff was made on 73 range improvement sites in Utah, Colorado, New Mexico, and Arizona. The range…Publication Date 1979-05-01
- Utah
- New Mexico
- Arizona
- Colorado
- Library Collection RecordTwo central assumptions of the microhistological technique were tested for their accuracy. The estimation of particle density by relative frequency proved to be accurate for equal-sized plant…Publication Date 1978-11-01
- New Mexico
- Library Collection RecordInsecticides applied to improved wheatgrass pastures in northern New Mexico in the springs of 1976 and 1977 were all shown to reduce population of black grass bugs significantly (P<.01). Herbage…Publication Date 1978-09-01
- New Mexico
- Library Collection RecordTwenty-eight herbicides or combinations of herbicides were evaluated for selecting control for kochia and Russian thistle in grasses desirable for roadside erosion control: sideoats grama, sand…Publication Date 1978-07-01
- New Mexico
- Library Collection RecordThis research was conducted to determine emergence of seedlings from surface soil collected on black grama (Bouteloua eriopoda) grassland sites in good, fair, and poor condition classes. The species…Publication Date 1978-05-01
- New Mexico