Rangeland Ecology & Management
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Displaying 51 - 70 of 70 results
- Library Collection RecordComposition, growth, and reproduction of Aster ericoides, Ruellia humilis, and Amorpha canescens were measured in pastures that were ungrazed or stocked lightly, moderately, or highly with cattle to…Publication Date 1969
- stocking density
- grazing intensity
- Amorpha canescens
- Aster ericoides
- Ruellia humilis
- species composition
- Library Collection RecordThe effects of light, moderate, and heavy Black Brant (Branta bernicla) gosling herbivory on Carex subspathacea grazing lawns and slough levee vegetation were measured in this study. Forage…Publication Date 1969
- herbivory
- grazing intensity
- black brant geese
- Branta bernicla nigricans
- Carex subspathacea
- forage availability
- foraging efficiency
- Triglochin palustris
- Library Collection RecordPlant biodiversity and evenness on shortgrass steppe range in Colorado were greater in light and moderately grazed pastures than ungrazed or heavily grazed pastures after 55 years of treatment.…Publication Date 1969
- grazing
- grazing intensity
- Bouteloua gracilis
- Stipa comata
- Opuntia polyacantha
- Pascopyrum smithii
- plant species biodiversity
- Library Collection RecordHamilton and Frank performed a 13C pulse-chase experiment on a common grazing tolerant grass, Poa pratensis, of Yellowstone National Park, to follow carbon flow into the soil rhizosphere and…Publication Date 1969
- grazing
- herbivory
- nitrogen
- Poa pratensis
- grassland
- microbe
- Yellowstone National Park
- Library Collection RecordGillen and Sims determined the impact of stocking rate on herbaceous production of a sand sagebrush (Artemisia filifolia)-grassland. Grasses contributed 89% of the total herbaceous production…Publication Date 1969
- grazing intensity
- biomass
- composition
- annual production
- Artemisia filifolia
- mixed prairie
- Sand Sagebrush
- Library Collection RecordThis review examines the interactions between herbivores, plants, and climatic factors in arctic wetlands using, as a case study, results of research on grazing by snow geese (Chen caerulescens) on…Publication Date 1969
- herbivory
- grazing
- nitrogen
- plant production
- reproduction
- arctic ecosystems
- Chen caerulescens
- plant-herbivore interaction
- snow geese
- Library Collection RecordOn the northern winter range of Yellowstone National Park, Frank and Zhang measured ammonia volatilization at three times in 1995, at three topographic positions: hilltop, midslope, and slope-bottom…Publication Date 1969
- Cervus elaphus
- bison
- nitrogen
- Ammonia Volatilization
- Bison bison
- elk
- grassland
- ungulate
- Yellowstone National Park
- Library Collection RecordA year long study was conducted to examine how large herbivores and landscape factors affect soil C and N dynamics in grasslands of Yellowstone National Park. Results from the in situ experiment…Publication Date 1969
- carbon
- grazing
- herbivory
- bison
- nitrogen
- elk
- grassland
- Library Collection RecordFrank and Groffman examined the influence of native migratory ungulates on denitrification in grasslands of Yellowstone National Park in two ways, by (1) examining the effect of artificial urine…Publication Date 1969
- denitrification
- herbivory
- nitrogen
- grassland
- Yellowstone National Park
- Library Collection RecordFrank and Evans investigated the effects of native ungulates on grassland N cycling in Yellowstone National Park by examining natural 15N abundance of soils and plants inside and outside long-term…Publication Date 1969
- bison
- Cervus elaphus
- nitrogen
- 15N
- Bison bison
- elk
- grassland
- herbivore
- stable isotopes
- ungulate
- Yellowstone National Park
- Library Collection RecordMass migration of Yellowstone's ungulates is, not only a critical step to enhance their nutritional quality, but also a key factor in the nutrient cycle of the Park's grass and shrublands…Publication Date 1969
- diet
- forage
- herbivory
- migration
- nitrogen
- ungulates
- Bison bison
- elk
- Yellowstone National Park
- Library Collection RecordFahnestock and Detling measured the combined effects of selective grass grazing and irrigation in a water limited plant community and fertilization in a nutrient limited plant community on the Pryor…Publication Date 1969
- primary production
- nitrogen
- Pseudoroegneria spicata
- bluebunch wheatgrass
- Pryor Mountain Wild Horse Range
- wild horses
- Library Collection RecordIn this study, Day and Detling evaluated the influence of natural and simulated urine deposition by a native herbivore, American bison (Bison bison), on plant biomass, species composition, and N…Publication Date 1969
- bison
- defoliation
- nitrogen
- Poa pratensis
- Schizachyrium scoparium
- urine
- Bison bison
- Grazing Preference
- photosynthetic pathways
- Root
- Shoot
- Library Collection RecordThe authors of this study clipped juvenile poplar (Populus balsamifera), willow (Salix bebbiana), birch (Betula papyrifera), alder (Alnus crispa) and aspen (Populus tremuloides) to determine if the…Publication Date 1969
- grazing intensity
- Populus balsamifera
- Populus tremuloides
- birch
- Betula papyrifera
- Alnus crispa
- Carbohydrate Content
- alder
- Aspen
- bebb willow
- nutrient content
- poplar
- resin
- Salix bebbiana
- simulated herbivory
- tannin
- Library Collection RecordChambers and Norton examined natality, mortality, and population turnover of dominant salt desert shrub species under different seasons (winter vs. spring) and intensities (light vs. heavy) of…Publication Date 1969
- mortality
- grazing intensity
- precipitation
- exclosures
- natality
- population turnover
- shrub population dynamics
- Library Collection RecordThis paper examined the extent of soil compaction due to cattle traffic around both hardwood and softwood tree seedlings, established in an existing pasture and subject to cattle pressure. Results…Publication Date 1969
- nitrogen
- seedlings
- bulk density
- cattle traffic
- compaction
- penetrometer
- silvo-pasture
- Library Collection RecordVegetative and cryptogamic crust cover and biomass were measured at ungrazed, previously grazed and presently grazed sites, within and near Grand Canyon National Park. Cryptogamic crust cover and…Publication Date 1969
- grazing intensity
- trampling
- crust biomass
- crust cover
- grazing history
- species composition
- Library Collection RecordSoil nutrients were measured for 4 years in pastures under heavy, moderate, and light grazing intensities, that were seeded with one of three species (smooth bromegrass (Bromus inermis), meadow…Publication Date 1969
- grazing intensity
- stocking rate
- fertilizers
- Bromus inermis
- Bromus riparius
- meadow bromegrass
- smooth bromegrass
- soil nitrogen
- soil phosphorus
- winter triticale
- X Triticosecale
- Library Collection RecordAngell and McClaran examined the relationship between a variety of grazing regimes and grass species densities in an Arizona desert grassland, over 28 years. Grass density was not related to the…Publication Date 1969
- grazing intensity
- grazing systems
- Desert Grassland
- repeated measures analysis
- Library Collection RecordForage quality was measured after early-summer and late-summer sheep grazing in Idaho pastures to determine the value of summer grazing as a tool to enhance browse nutritive quality for autumn and…Publication Date 1969
- nutrition
- shrubs
- ungulates
- grazing intensity
- forage quality
- grazing season
- prescribed grazing