Rangeland Ecology & Management
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Displaying 51 - 100 of 1416 results
- Library Collection RecordSeed bank density and species composition were compared among ungrazed pastures and pastures managed with continuous heavy or moderate deferred rotational grazing for 36 years in a Texas desert…Publication Date 1969
- continuous grazing
- deferred rotation grazing
- grazing system
- Hilaria belangeri
- seed densities
- species composition
- succession
- Library Collection RecordOf the six Wyoming relict sites with historic vegetation data, three lie in Hot Springs County. In the summer of 1997, the University of Wyoming team located and photographed the sites, conducted…Publication Date 1969
- grazing
- herbivory
- Leafy spurge
- bison
- cattle
- big sagebrush
- bluebunch wheatgrass
- cheatgrass
- downy brome
- inventory
- relict sites
- threadleaf sedge
- Library Collection RecordKingery et al. looked at the possible interactions between cattle, elk and white-tailed deer through fecal analysis to determine the species composition. They found that elk and cattle were most…Publication Date 1969
- interspecific competition
- Bos taurus
- Cervus elaphus
- Odocoileus virginianus
- Abies grandis
- Thuja plicata
- diet selection
- elk
- resource partitioning
- white-tailed deer
- Library Collection RecordIn this study, Kingery and Graham measured the effects of cattle grazing, wildlife browsing, and rodent use on damage and mortality of ponderosa pine (Pinus ponderosa) seedlings, to determine the…Publication Date 1969
- Pinus ponderosa
- trampling
- forest management
- conifer seedling growth
- ponderosa pine
- seedling survival
- wildlife browsing
- Library Collection RecordBitterbrush (Purshia tridentata) is one of the more valuable browse forages for both livestock and big game animals in the Great Basin area. Two factors, livestock grazing and weather, appear to…Publication Date 1969
- bitterbrush
- Purshia tridentata
- grazing
- plant reproduction
- sage grouse
- sagehen exclosure
- Library Collection RecordKielland et al. examined the effect of winter browsing by moose (Alces alces) and snowshoe hare (Lepus americanus) on primary succession of willow (Salix sp.) and alder (Alnus tenuifolia) communities…Publication Date 1969
- Alaska
- moose
- respiration
- herbivory
- Alces alces
- Lepus americanus
- snowshoe hare
- soil carbon
- winter browsing
- Library Collection RecordVegetation and soil chemistry variables were measured inside and outside of a 7 year old exclosure to determine the effects of moose (Alces alces) herbivory on Alaskan taiga forest succession.…Publication Date 1969
- soil chemistry
- willow
- Alces alces
- alder
- Alnus tenuifolia
- ecosystem development
- elk
- exclosures
- forest development
- Salix spp.
- vegetation dynamics
- Library Collection RecordChronosequences of sites withdrawn from grazing for 0, 11, and 16 years were sampled by Kieft, in a grassland (Bouteloua spp.) area and a shrubland (Atriplex canescens) area on and near the Sevilleta…Publication Date 1969
- grazing
- semiarid soils
- grassland
- microbial biomass
- microbial respiration
- shrubland
- Library Collection RecordKie et al. found that cattle (Bos taurus) grazing on California summer range reduced available herbaceous forage for mule deer (Odocoileus hemionus). In response to cattle grazing, the mule deer…Publication Date 1969
- Odocoileus hemionus
- predation
- cattle grazing
- feeding time
- home range
- Sierra Nevada
- Library Collection RecordKie and Boroski investigated cattle home range and diet in the Sierra Nevada mountains of California, where shrubs dominate the understory rather than herbaceous species. Kie and Boroski used radio-…Publication Date 1969
- California
- cattle diets
- cattle habitats
- cattle home ranges
- Sierra Nevada
- Library Collection RecordKie examined the effects of cattle grazing on the feeding times of mule deer, on a Sierra Nevada summer range, and black-tailed deer, on a moist, northern California winter range. Cattle grazing…Publication Date 1969
- mule deer
- Odocoileus hemionus
- black-tailed deer
- competition
- Odocoileus hemionus columbianus
- optimal foraging
- Library Collection RecordKerley and Whitford measured the effects of grazing on the vegetation structure of desert grasslands, and the subsequent effects of vegetation structure changes on populations and seed predation…Publication Date 1969
- ecological impacts
- granivory
- plant community dynamics
- seed predation
- species composition
- succession
- vegetation structure
- Library Collection RecordIn New Mexico, Kerley et al. studied the effects of cattle browsing on the flowers of the soaptree (Yucca elata), and measured inflorescence consumption and population structure in six populations…Publication Date 1969
- herbivory
- cattle
- biodiversity
- nutritional value of inflorescences
- soaptree
- Yucca elata
- Library Collection RecordThis article takes studies done in England and attempts to apply them to hardwood regeneration in the northeastern United States. Since regeneration of hardwood stands can be difficult in many areas…Publication Date 1969
- seedlings
- regeneration
- hardwood regeneration
- tree shelters
- white-tailed deer
- Library Collection RecordPrevious researchers have suggested that plant communities in the Chihuahuan Desert area respond quickly and positively to the removal of grazing pressure. In this study, Kelt and Valone determined…Publication Date 1969
- species diversity
- arid southwest
- cattle grazing
- Exclosure
- species composition
- summer and winter ephemerals
- Library Collection RecordTo determine the history of browsing by elk (Cervus elaphus) on narrowleaf cottonwood (Populus angustifolia), at a site in northern Yellowstone National Park, Keigley assigned each individual…Publication Date 1969
- architecture
- Cervus elaphus
- Growth Form
- browsing history
- elk
- narrowleaf cottonwood
- populus angustifolia
- Yellowstone National Park
- Library Collection RecordKazmaier et al. looked at the effects of cattle grazing on the habitat selection of the Texas tortoise. Tortoises preferred areas of multiple canopy layers of woody brush, while avoiding riparian…Publication Date 1969
- grazing
- shrublands
- brush invasion
- Gopherus berlandieri
- habitat selection
- Texas tortoise
- Library Collection RecordUsing tree ring and vegetation measurements, Kaye et al. determined if conifer encroachment and elk browsing have negative impacts on aspen (Populus tremuloides) establishment, growth and survival,…Publication Date 1969
- conifers
- Populus tremuloides
- Tree rings
- elk browsing
- forest succession
- quaking aspen
- Library Collection RecordKay et al. examined the effects that cattle have on the abundance of soil microarthropods in the desert grasslands of the northern Chihuahuan Desert. They found a significant difference in the…Publication Date 1969
- desertification
- grazing
- indicators
- Desert Grassland
- microbivores
- Library Collection RecordThe effects of grazing by sheep and wildlife on willow (Salix spp.) communities in the Greater Yellowstone Ecosystem were compared in this study. Willow communities grazed by wildlife (elk, Cervus…Publication Date 1969
- willow
- grazing
- elk
- rangeland health
- repeat photography
- Yellowstone National Park
- Library Collection RecordSome researches state that willows (Salix spp.) on Yellowstone National Park's northern range have declined because of climatic change, fire suppression, reduced chemical defenses, or other…Publication Date 1969
- Cervus elaphus
- aboriginal overkill
- beaver
- elk
- Native Americans
- natural regulation
- park management
- Yellowstone National Park
- Library Collection RecordCommunities of aspen (Populus tremuloides) are deteriorating throughout the western United States. Many aspen stands contain old-age or single-age trees and have not successfully regenerated for 80…Publication Date 1969
- Populus tremuloides
- management
- Aspen
- aspen ecology
- population decline
- ungulate grazing
- Western United States
- Library Collection RecordThe role of livestock grazing and big-game browsing in the decline of aspen (Populus tremuloides), in the Intermountain West, has long been questioned. Kay and Bartos measured all known aspen…Publication Date 1969
- Populus tremuloides
- communities
- reproduction
- Odocoileus hemionus
- Cervus elaphus
- undergrowth
- Aspen
- cattle grazing
- decline
- deer browsing
- elk browsing
- Library Collection RecordKarn et al. compared animal gains, and forage production and utilization at two stocking rates (moderate and heavy) on flat and rolling native grasslands with seeded smooth bromegrass (Bromus inermis…Publication Date 1969
- crested wheatgrass
- Agropyron desertorum
- Bromus inermis
- stocking rate
- animal gains
- native rangelands
- Pascopyrum smithii
- smooth bromegrass
- western wheatgrass
- Library Collection RecordCattle grazing on conifer plantations can reduce the competition of understory vegetation with conifer seedlings and thus increase conifer growth, however, cattle may also have detrimental effects on…Publication Date 1969
- forest grazing
- Pinus ponderosa
- conifer seedling growth
- height growth
- ponderosa pine
- relative growth rate
- stem volume growth
- Library Collection RecordOn conifer plantations, competitive understory vegetation often retards growth and establishment of tree seedlings. In this study, soil water dynamics and orchardgrass (Dactylis glomerata) root…Publication Date 1969
- Pseudotsuga menziesii
- Pinus ponderosa
- plant competition
- Dactylis glomerata
- Douglas-fir
- orchardgrass
- ponderosa pine
- root growth
- root periscope
- seedling water stress
- vegetation control
- Library Collection RecordKarl and Doescher monitored the effects of cattle grazing on root growth to determine if the mini-rhizotron technique was suitable for grazed rangelands. Despite stocking densities of about 2.7-4.4…Publication Date 1969
- Dactylis glomerata
- cattle grazing
- grazing impacts
- orchardgrass
- root growth
- root periscope/ mini-rhizotron
- Library Collection RecordMechanical abrasion of cotyledons induced resistance to spider mites (Tetranychus urticae) in cotton plants in four of six replicates. Mite population growth was reduced on plants that had either…Publication Date 1969
- Cotton
- herbivory
- Induced resistance
- Spider mites
- abrasion
- secondary chemicals
- Tetranychus spp.
- Library Collection RecordKanneganti and Kaffka tested forage availability for daily intake throughout the grazing season with intensive grazing rotation management. Data was collected on herbage dry matter, botanical…Publication Date 1969
- rotational grazing
- Kentucky bluegrass
- Poa pratensis
- forage productivity
- pasture growth rates
- species composition
- Library Collection RecordCreeping bluestem (Schizachyrium stoloniferum), a major decreaser on Florida range, is adversely affected by grazing during the growing season after a winter burn. Creeping bluestem yield from…Publication Date 1969
- prescribed burning
- grazing
- clipping
- creeping bluestem
- Schizachyrium stoloniferum
- tiller
- Library Collection RecordFive exclosures were established in a frequently burned, infertile, wiregrass (Aristida stricta) dominated, flatwoods range in south Florida to evaluate range improvement by deferred grazing. There…Publication Date 1969
- Aristida stricta
- Florida flatwoods range
- range condition
- species composition
- Wiregrass
- Library Collection RecordIn Florida, average diameter (37 cm) of creeping bluestem (Schizachyrium stoloniferum) plants, grazed in June, August, and October and year-long to 15-cm stubble height, was less (P<0.05) than…Publication Date 1969
- grazing
- creeping bluestem
- Schizachyrium stoloniferum
- stubble height
- tiller density
- Library Collection RecordKalmbacher and Martin determine the effects of clipping frequencies and fertilization on maidencane (Panicum hemitomon) forage production, quality, and mineral content in order to determine proper…Publication Date 1969
- grazing management
- fertilizer
- Florida range
- fresh water marsh
- maidencane
- Panicum hemitomon
- simulated grazing
- southeastern range
- Library Collection RecordJung and Sahlu determined the effects of sheep grazing at two different stocking rates on available forage, forage quality, diet quality, and animal intake and weight gain. Forage quality declined…Publication Date 1969
- stocking rate
- selective grazing
- Bromus inermis
- animal gains
- diet composition
- diet quality
- intake
- smooth bromegrass
- Library Collection RecordJung et al. compared the effects of continuous grazing and short-duration grazing, at increased stocking rates, on animal gains, and forage quality and production in smooth bromegrass (Bromus inermis…Publication Date 1969
- continuous grazing
- Bromus inermis
- Forage Maturity
- forage production
- rest period
- short-duration grazing
- smooth bromegrass
- stocking rates
- Library Collection RecordClipping trials with Puna chicory, Cichorium intybus, began in Pennsylvania in 1991 to examine the influence of management levels on herbage production and quality, suppression of floral stem…Publication Date 1969
- Cichorium intybus
- Dactylis glomerata
- Grasslands Puna chicory
- herbage production
- Herbage Quality
- management intensities
- orchardgrass
- stand persistence
- stem production
- Library Collection RecordIn Colorado, Juenger and Bergelson investigated whether early season browsing affects the fitness cost of self-pollination in scarlet gilia, Ipomopsis aggregata, by using clipping and emasculation…Publication Date 1969
- geitonogamy
- herbivore-pollinator interaction
- Ipomopsis aggregata
- plant-animal interaction
- pollination biology
- scarlet gilia
- self-pollination
- ungulate grazing
- Library Collection RecordJourdonnais and Bedunah applied prescribed fire and fall cattle-grazing treatments, during fall 1983 and spring 1984, on a rough fescue (Festuca scabrella) community to reduce litter accumulations…Publication Date 1969
- burning
- cattle grazing
- elk utilization
- Festuca idahoensis
- Festuca scabrella
- Idaho fescue
- rough fescue
- Library Collection RecordJourdonnais and Bedunah assessed the use of prescribed fire and cattle grazing in the dormant season to try and improve forage quality for elk in the Sun River Wildlife Management Area. The…Publication Date 1969
- bunchgrass
- cattle grazing
- elk management
- fire
- Litter Accumulation
- rough fescue
- Library Collection RecordJoseph et al. ,found that mourning doves (Zenaida macroura) preferred mid-seral pastures that were moderately grazed by cattle (Bos taurus) compared to heavily grazed, early-seral pastures. Mid-…Publication Date 1969
- arid lands
- cattle grazing
- croton pottsii
- Leatherleaf croton
- upland game bird
- Zenaida macroura
- Library Collection RecordThree plant species (Poa pratensis, Poa compressa, Dactylis glomerata) were grown in three soil types, varying in nutrient contents, and then subjected to simulated grazing (clipping) to determine if…Publication Date 1969
- herbivory
- regrowth
- nutrients
- Poa pratensis
- Poa compressa
- Dactylis glomerata
- Library Collection RecordThree densities of elk (Cervus elaphus canadensis) were grazed in the winter and early spring to determine how each effected the availability and use of forage by cattle (Bos taurus) in the spring.…Publication Date 1969
- cattle
- Bos taurus
- Cervus elaphus canadensis
- competitive effects
- elk
- facilitative effects
- Library Collection RecordGrazing is needed for the maintenance of a grassland system. Hill notes that altering the well-documented relationship between producer and consumer (grass and herbivore) seems unwise. Removing…Publication Date 1969
- grazing
- herbivores
- grasslands
- management
- biological diversity
- policy
- Library Collection RecordHild et al. assessed the effects of drought and grazing and the combination of these two disturbances on root counts and seedling emergence from the seedbank of an eastern Montana grassland. Authors…Publication Date 1969
- soil horizons
- seedling emergence
- minirhyzotron
- northern mixed grass prairie
- root depths
- Library Collection RecordAuthors examined the response of different salt-marsh plant communities to grazing by lesser snow geese (Chen caerulescens caerulescens) and isostatic uplift at La Perouse Bay, Manitoba, on the…Publication Date 1969
- arctic salt-marshes
- edaphic processes
- grazing lawns
- lesser snow goose
- multiple-state communities
- Library Collection RecordRainfall and runoff data from 485 storms during the summers of 1979-1984 were evaluated to characterize storm runoff volumes (SF) and peak flows (QP) for 13 small watersheds in the Blue Mountains of…Publication Date 1969
- base-flow rise rate
- hydrograph separation
- peak flow
- stormflow
- surface water hydrology
- 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 RecordHessl synthesized and compared current hypotheses regarding aspen decline by focusing on studies of aspen in the elk winter ranges of Rocky Mountain National Park (RMNP), Jackson Hole (JH), and…Publication Date 1969
- regeneration
- Aspen
- decline
- elk
- invasion
- species decline
- Library Collection RecordThe effects of repeated simulated grazing on big bluestem (Andropogon gerardii) plants, with and without mycorrhizal fungi, were measured Hetrick et al. in this greenhouse experiment. Big bluestem…Publication Date 1969
- grazing
- Andropogon gerardii
- symbiosis
- big bluestem
- Herbage Yield
- plant stress
- vesicular-arbuscular mycorrhizae
- Library Collection RecordHobbs et al. hypothesized that grazing by large herbivores results in conservation of nitrogen that would otherwise be lost from burned grasslands. They tested this hypothesis in a series of…Publication Date 1969
- burning
- cattle
- grazing
- herbivory
- fire
- nitrogen budgets
- nutrient cycling
- patch dynamics
- spatial variation