Rangeland Ecology & Management
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Displaying 101 - 150 of 177 results
- Library Collection RecordNest site selection of the mountain plover (Charadrius montanus) was studied on the Charles M. Russell National Wildlife Refuge, Montana, during 1982. Vegetative characteristics of 26 nest sites, all…Publication Date 1985-05-01
- Charadriidae
- charadrius montanus
- charles m. russell national wildlife refuge, montana
- wildlife
- habitats
- vegetation
- Montana
- Library Collection RecordType I and Type II errors and the power of the test when testing the null hypothesis of static range trend are discussed. The consequences associated with Type I and Type II errors are judged to be…Publication Date 1985-09-01
- stocking rate
- monitoring
- trends
- statistical analysis
- range management
- Montana
- rangelands
- Library Collection RecordDietary comparisons based on fecal analysis of mule deer, elk, bighorn sheep, and cattle using mule deer winter ranges along the east slope of the Rocky Mountains indicated that elk, bighorn, and…Publication Date 1984-01-01
- Montana
- Library Collection RecordEvidence suggests that the range livestock industry in the Northern Great Plains is not as productive as it should be. Ranchers are not readily adopting the range improvement practices that…Publication Date 1985-01-01
- investment
- grassland improvement
- ranching
- stocking rate
- Montana
- rangelands
- Library Collection RecordLightning strike fires which occurred between 1940 and 1981 were studied in mixed-grass prairie grasslands and in pine-savanna lands in the Northern Great Plains region. A majority (73%) of ignitions…Publication Date 1984-03-01
- South Dakota
- Montana
- Library Collection RecordDetailed measurements were made on silver sagebrush plants to quantify phenological development, plant water potential, and soil water status. Measurements were made at bi-weekly intervals from early…Publication Date 1984-11-01
- Phenological Development
- water relations
- Plains Silver Sagebrush
- Plant Water Potential
- Soil Water Status
- linear regression
- Calendar Date
- water potential
- Livestock and Range Research Station
- Miles City
- Moisture Stress
- measurements
- Artemisia
- Montana
- Library Collection RecordOver a 4-year period, average annual herbage production on native range was 603 kg/ha compared to 1,350 kg/ha on contour-furrowed range interseeded with alfalfa. Addition of 112 kg N/ha and 15 kg P/…Publication Date 1983-07-01
- Montana
- Library Collection RecordThe history and influence of fires was studied at the forest-grassland ecotone in high valleys of southwestern Montana. Investigations were focused upon several sites having early landscape…Publication Date 1983-05-01
- Montana
- Library Collection RecordGermination requirements of green neddlegrass (Stipa viridula Trin.) were studied because of its potential for use in revegetation of disturbed lands. The effects of temperature, light, physiological…Publication Date 1983-05-01
- South Dakota
- Montana
- Library Collection RecordPlant canopy cover, standing crop, and soils were sampled on (1) old (unreclaimed), (2) reclaimed, (3) semireclaimed (newly mined) bentonite mine spoils and (4) native sagebrush-grass rangelands in…Publication Date 1983-05-01
- Plains
- Montana
- Artemisia tridentata
- rangelands
- Library Collection RecordSubalpine areas that were disturbed by ski run construction and then seeded with commercially available grass seed from 2 to more than 10 years ago were examined at 6 Montana ski areas. Species…Publication Date 1983-09-01
- Montana
- Library Collection RecordSubalpine areas that were disturbed by ski run construction and then seeded with commercially available grass seed from 2 to more than 10 years ago were examined at 6 Montana ski areas. Species…Publication Date 1983-09-01
- Montana
- Library Collection RecordThree levels of vehicle impact (2, 8, 32 trips over the same tracks) were applied on rangelands near Ashland, Mont., using a four-wheel-drive Chevrolet Blazer with mud and snow radial tires. The…Publication Date 1983-05-01
- Montana
- livestock grazing
- soils
- Library Collection RecordThe lichen (Parmelia chlorochroa) was most abundant in sagebrush and grassland vegetation associations, less so in the pine, and absent in riparian types. It was significantly associated with drier…Publication Date 1983-01-01
- Montana
- Parmelia chlorochroa
- reducing erosion
- intensive grazing
- nutrient quality of soils
- Library Collection RecordResearch was conducted on strip mined lands at Colstrip, Mon., over a 6-year period to evaluate germination, survival and cover characteristics of fairway crested wheatgrass (Agropyron cristatum),…Publication Date 1982-07-01
- Montana
- reclamation
- Library Collection RecordInformation on the potential loss of forage that might be expected from grasshopper feeding in a given season would benefit ranchers and land managers if the loss could be estimated in the spring…Publication Date 1982-01-01
- Wyoming
- Montana
- Library Collection RecordResponses of reseeded vegetation in the first two growing seasons (1978 and 1979) to irrigation on topsoiled sodic mine spoils are presented. In terms of above-ground productivity and stand…Publication Date 1982-01-01
- Montana
- Library Collection RecordPeak standing crop and its variability were evaluated over a 3-year period on 35 sites representing 13 important grassland and shrubland habitat types in western Montana. Average production ranged…Publication Date 1981-09-01
- Montana
- Library Collection RecordEffects of three exposure levels of SO2 (55, 100, and 170 micrograms m-3) on the nutritive value of western wheatgrass were investigated. Significant increases in plant sulfur content were observed,…Publication Date 1981-07-01
- sulfur dioxide
- Levels
- Plant Ash
- Custer National Forest
- western wheatgrass
- nutritive value
- digestibility
- in vitro
- Time
- Great Plains
- forage quality
- nitrogen
- Montana
- Library Collection RecordThe three subspecies of big sagebrush (Artemisia tridentata) are dominant shrubs over much of the Intermountain West. Because the subspecies differ in palatability and habitat requirements,…Publication Date 1982-01-01
- Idaho
- Montana
- Utah
- Library Collection RecordResearch was conducted on topsoiled strip mined lands at Colstrip, Mon., over a 6-year period to evaluate germination, survival, productivity, and cover characteristics of Eski sainfoin (Onobrychis…Publication Date 1982-05-01
- Montana
- revegetation
- Library Collection RecordResearch was conducted on native range and revegetated strip mine spoils near Colstrip, Montana, in August of 1975 to determine the weight and distribution of root biomass at five locations. Study…Publication Date 1982-03-01
- Montana
- Library Collection RecordTo determine possible vegetation changes, 15 plant communities on public lands in the Willow Creek basin near Glasgow, Montana, that were sampled in 1960 were resampled in 1977. Most of the…Publication Date 1981-01-01
- Montana
- Library Collection RecordBasal area data, collected from five sites in 1963 and 1976, were compared to determine the effects of 13 years of above-average rainfall in the growing season (April through September) on native…Publication Date 1980-07-01
- Montana
- Library Collection RecordThe flowering of 28 forb species at two locations was correlated with grasshopper development in 1977 and 1978. Indicator plants whose flowering phenology was associated with grasshopper hatching…Publication Date 1980-07-01
- Montana
- Library Collection RecordData on root weight, length, and surface area are useful in soil characterization, ecosystem description, and studies of plant-soil interaction. Characterization of root systems is often thought to…Publication Date 1981-05-01
- Montana
- Library Collection RecordContour furrows on fine-textured range sites in southeastern Montana caught an annual average of 22 mm more snow equivalent than nearby nonfurrowed areas. In addition, the furrows held snowmelt…Publication Date 1980-05-01
- Montana
- Library Collection RecordMixing sodium carbonate into the top 100 to 150 mm of soil in three farm ponds constructed in calcareous soil in eastern Montana effectively reduced seepage losses for about 3 years following…Publication Date 1980-07-01
- Lakes and Ponds
- Montana
- Library Collection RecordFairy rings 25×30 m in diam were observed on southwest-facing grasslands of the Rock Creek drainage of Montana at the 1,450-m elevation on May 20, 1970. Within the stimulated growth portion of the…Publication Date 1979-11-01
- Montana
- Library Collection RecordEnergy resource development in the Western United States must contend with the problem of water deficiency resulting from potential evapotranspiration rates which usually exceed precipitation rates.…Publication Date 1979-07-01
- river basins
- Wyoming
- Montana
- Library Collection RecordA study was initiated in June 1976 at Colstrip, Montana, to determine root distribution to 1- to 48-year-old stripmine spoils and in undisturbed soils of the area. Root distribution was determined…Publication Date 1980-03-01
- Montana
- Library Collection RecordThe physical, biological, and chemical consequences of burning mountain range were monitored the year of a spring burn on the Gallatin National Forest, Montana. Two sites within the burn were…Publication Date 1978-07-01
- Montana
- Library Collection RecordA study of elemental concentrations in five range grasses from the Northern Great Plains of Montana indicated levels of calcium, magnesium, iron, and manganese adequate for optimum performance of…Publication Date 1978-03-01
- Montana
- Library Collection RecordNitrogen fertilization on a mixed prairie, upland range site increased soil water extraction, overwinter recharge, and water- and precipitation-use efficiency. Overwinter recharge was inversely…Publication Date 1978-07-01
- Montana
- Library Collection RecordOn fine-textured range sites in southeastern Montana, contour furrowing increased average overwinter soil water recharge 11 mm on a saline-upland range site and 39 mm on a panspot range site.…Publication Date 1977-05-01
- Montana
- Library Collection RecordA study was conducted to determine the perenniality and development of shoots of two sedges, four grass species of temperate origin, and six grass species of tropical origin. Floral shoots of sedges…Publication Date 1977-03-01
- Montana
- Library Collection RecordThe aerial parts of sagebrush contain many interesting natural products. The sesquiterpene lactones are a class of compounds that can be easily extracted from these plants and then analyzed by thin-…Publication Date 1976-11-01
- Montana
- Library Collection RecordThree rangeland sites (mountain, foothill, and plains) in central Montana were surveyed for arthropods to determine their abundance and potential impact upon the vegetation. A vacuum quick trap (…Publication Date 1976-05-01
- Montana
- Library Collection RecordTwo pastures of crested wheatgrass in central Montana were surveyed for arthropods from May 10 through September 30, 1972, and 1973. A vacuum quick trap and the bagging of individual plants showed…Publication Date 1975-07-01
- Montana
- Library Collection RecordRunoff and reservoir waters from the Pierre Shale Plains in southeastern Montana were fresh (< 1,000 mg/liter of TDS) to slightly saline (1,000 to 3,000 mg/liter of TDS) and were rated good to…Publication Date 1975-09-01
- Montana
- Library Collection RecordCover-weight relationships on 160 plots in southwestern Montana indicate that cover can be used as a suitable index to herbage production of most species. This material was digitized as part of a…Publication Date 1974-09-01
- Montana
- Library Collection RecordWe studied the effects of 3-, 7-, and 10-year-old contour furrowing on some physical and chemical soil properties of panspot range sites in southeastern Montana. Changes in soil bulk density, sodium-…Publication Date 1974-03-01
- Montana
- Library Collection RecordDuck production was compared in two rest-rotation cattle grazing systems and normally grazed areas in Phillips County, Montana, from 1968 to 1970. Pair populations generally increased in pastures…Publication Date 1975-01-01
- Montana
- Library Collection RecordFactorial combinations of ammonium nitrate at rates of 0, 100, 300, and 900 lb. N/acre and concentrated superphosphate at rates of 0, 100, and 200 lb. P/acre were broadcast on a native range site (a…Publication Date 1972-11-01
- Montana
- Library Collection RecordA field study in eastern Montana related water storage capacity of contour furrows constructed by Model B furrowing machines to furrow age. New contour furrows have a water storage capacity of nearly…Publication Date 1973-07-01
- Montana
- Library Collection RecordBitterbrush density in a known-parameter population was estimated using 19 different variations of quadrat and plotless sampling techniques. It was found that: (1) Many methods would not produce a…Publication Date 1968-01-01
- Density Sampling
- quadrats
- Shrub Community
- Known Parameter Population
- Descriptive
- University of Montana
- Plotless
- evaluation criteria
- Judgements
- biomass
- Space Occupied
- sample size
- sampling techniques
- estimates
- evaluation
- interpretation
- efficiency
- techniques
- bitterbrush
- Montana
- accuracy
- precision
- Library Collection RecordFive chemically sprayed and 15 plowed and seeded areas in southwestern Montana were examined to determine the influence of several environmental factors on big sagebrush reinvasion. Sagebrush…Publication Date 1968-07-01
- slope
- Plowed
- Seeded
- Reinfestation
- Sagebrush Reinvasion
- Environmental Influences
- Chemically Sprayed
- maturation
- Northwest Exposures
- Dillion
- Inital Kill
- soil texture
- survival
- precipitation
- treatments
- spraying
- environmental factors
- vegetation
- control
- erosion
- exposure
- Artemisia tridentata
- Montana
- Library Collection RecordThe effects of mechanical treatments, such as contour furrowing, pitting, and ripping, on forage production and water storage were measured in Montana, Wyoming, Colorado, Utah, New Mexico, and…Publication Date 1966-07-01
- Pitting
- Nuttall Saltbush
- West
- Chemistry
- vegetation types
- ripping
- responses
- Contour Furrowing
- mechanical treatments
- Broadbase Furrowing
- Furrowing
- Medium
- Fine
- needle-and-thread
- Soil Effects
- Mositure Storage
- Biological Effects
- water storage
- soil texture
- black grama
- Winterfat
- forage production
- runoff
- Wyoming
- Montana
- Utah
- New Mexico
- Arizona
- Colorado
- Library Collection RecordGood correlations have been reported between precipitation and herbage production, and between precipitation and radial increment of growth rings in trees and shrubs. Because herbage production and…Publication Date 1967-01-01
- Range Herbage Production
- Annual Rings
- Radial Increment
- growth rings
- estimation
- woody plants
- correlation coefficients
- correlation
- herbage production
- precipitation
- Idaho
- Oregon
- California
- Montana
- Utah
- New Mexico
- Library Collection RecordMeasurements were made of cover, yield, and vigor of plants at five locations in fenced exclosures and on adjacent range moderately grazed by sheep in fall through spring. Under the conditions of…Publication Date 1966-03-01
- Foothill Sheep Range
- Yield Composition
- climax dominant
- White Sulphur Springs
- Bluegrasses
- vegetation responses
- bluebunch wheatgrass
- herbage yields
- grazing management
- Moderate Grazing
- density
- perennial grasses
- yield
- vigor
- composition
- range condition
- deferment
- cover
- Montana