Rangeland Ecology & Management
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- Library Collection RecordThis study on the Isle Royale National Park inferred how moose (Alces alces) and beaver (Castor canadensis) affect current and future landscape patterns. About 40% of the bites by moose in both…Publication Date 1969
- moose
- browsing
- Alces alces
- beaver
- Castor canadensis
- Forage Preference
- Isle Royal National Park
- species composition
- tree-cutting
- Library Collection RecordMultiple regression analyses were performed on worldwide 236-site data set compiled from studies that compared species composition, aboveground net primary production (ANPP), root biomass, and soil…Publication Date 1969
- herbivory
- soil organic matter
- abiotic controls
- aboveground net primary production
- dominant species and growth forms
- evolutionary history of grazing
- grazing intensity and duration
- rangeland condition and trend
- root mass vs. grazing
- shrub invasion
- species composition
- Library Collection RecordThis study determined the salinity, chironomid density, biomass, and species composition in ponds on a freshwater marsh, an undamaged supratidal marsh, and a marsh degraded by lesser snow goose (…Publication Date 1969
- Anser caerulescens caerulescens
- chironomid biomass
- freshwater marsh
- habitat degradation
- lesser snow goose
- salt marsh
- species composition
- Library Collection RecordIn this study, the effects of redberry juniper (Juniperus pinchotii) on species composition and biomass production of the herbaceous layer were evaluated for 3 years on an ungrazed site and a site…Publication Date 1969
- biomass production
- Juniperus pinchotii
- recovery from grazing
- redberry juniper
- species composition
- Library Collection RecordMcInnis and McIver studied the differences in riparian area damage between pastures that provided free-choice, off-stream watering and salt and those that did not. Over the 2-year study, average…Publication Date 1969
- grazing
- water quality
- livestock
- greenline
- off-stream water
- Library Collection RecordMartinez et al. looked at the dietary similarities between cattle and white-tailed deer under two grazing regimes on the Rio Grande plains. Cattle and deer dietary overlap was the greatest on the…Publication Date 1969
- livestock
- cervids
- forage preferences
- grazing methods
- zacate toboso
- Library Collection RecordIn this riparian study, authors examined the treatments of aeration, nitrogen addition, revegetation and clipping to determine vegetation response and to increase understanding of grazing effects.…Publication Date 1969
- aeration
- revegetation
- clipping
- Nitrogen addition
- species composition
- water tables
- Library Collection RecordIn this study, LeCain et al. measured the effects of light and heavy grazing on carbon exchange, soil respiration and vegetation characteristics, in the Wyoming mixed-grass prairie. Seasonal…Publication Date 1969
- grazing intensity
- productivity
- photosynthesis
- soil respiration
- seasonal fluctuations
- soil carbon
- species composition
- Library Collection RecordKotler et al. looked at the effects of cover on the abundance and structure of rodent communities in northeastern Kansas. The study consisted of four plots, each being 0.81 ha in size: two control…Publication Date 1969
- mowing
- predation
- deer mouse
- prairie vole
- species composition
- 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 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 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 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 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 RecordTo evaluate streambank fencing as a management tool, for two years Homyack and Giuliano measured the richness, abundance, and biomass of reptile and amphibian species on 10 grazed streams and…Publication Date 1969
- biomass
- livestock
- vegetation
- water quality
- abundance
- amphibian
- herpetofauna
- macroinvertebrate
- reptile
- riparian areas
- species richness
- streambank fencing
- Library Collection RecordHofmann and Ries compared season-of-grazing use of pastures comprised of introduced and cool-season species with pastures comprised of a mix of native warm- and cool-season species with pastures…Publication Date 1969
- liveweight gain
- ground cover
- herbage dry matter
- species composition
- surface-mined land
- warm season species
- 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 grazing during, or during and after, the season of a drought were determined for eastern Montana grasslands in this study. The results suggested that drought greatly reduced standing…Publication Date 1969
- primary production
- soil water
- baseline data
- ecosystem processes
- species composition
- standing crop
- Library Collection RecordHeitschmidt's objectives in this review are to (1) examine the potential impact of livestock and other large herbivores on rangeland vegetation; and (2) relate these concepts to the concept of…Publication Date 1969
- livestock
- grazing optimization theory
- management goals
- management practices
- range improvement
- terrestrial ecosystems
- Library Collection RecordGiuliano and Homyack looked at the effects of cattle grazing on small mammal composition in riparian areas, where cattle have been previously excluded from grazing. Ungrazed areas were 1.7 times…Publication Date 1969
- fencing
- livestock
- vegetation
- wildlife
- litter
- pasture
- stream
- Library Collection RecordGillen et al. measured relative composition and standing crop in plots grazed continuously or in a rotational grazing system, at varying stocking rates in north-central Oklahoma. Vegetation response…Publication Date 1969
- continuous grazing
- plant succession
- Schizachyrium scoparium
- Andropogon gerardii
- Sorghastrum nutans
- big bluestem
- Indiangrass
- little bluestem
- Rotation Grazing
- species composition
- Library Collection RecordAfter a 3-year study, Ganskopp et al. determined the cumulative effects of grazing on young bitterbrush (Purshia tridentata) plants for combinations of winter wildlife use and early- or late-season…Publication Date 1969
- antelope bitterbrush
- Purshia tridentata
- livestock
- big game
- wildlife
- habitat
- shrub
- winter range
- Library Collection RecordGanskopp et al. measured the effects of spring cattle grazing on utilization, trampling, and growth of bitterbrush (Purshia tridentata) in pastures with light or heavy stocking rates in southeast…Publication Date 1969
- antelope bitterbrush
- Purshia tridentata
- livestock
- big game
- browse
- habitat
- winter range
- Library Collection RecordThis Louisiana study was initiated using exclosures to determine whether mammalian herbivory by nutria (Myocastor coypus), muskrats (Ondatra zibethicus), and waterfowl had a measurable impact on the…Publication Date 1969
- Nutria
- Salix nigra
- Louisiana
- herbivory
- Ammania coccinea
- Cyperus difformis
- Eleocharis spp.
- muskrat
- Myocastor coypus
- Ondatra zibethicus
- plant biomass
- Sagittaria latifolia
- species composition
- Sphenoclea zeylandica
- Typha latifolia
- Library Collection RecordAs a whole, grasshopper densities were greater on ungrazed sites compared to grazed sites. Melanoplus sanguinipes and all species of Melanoplinae were greater on ungrazed sites, while Oedipodinae…Publication Date 1969
- Melanoplus sanguinipes
- drought
- Gomphocerinae
- Melanoplinae
- Oedipodinae
- species composition
- Library Collection RecordIn this review, Edwards looks at the populations of diverse native grass species, that are found in cattle pastures throughout central California, and how many of these areas have been overgrazed,…Publication Date 1969
- grazing
- California
- livestock
- browsing
- biodiversity
- competition
- exotic herbaceous species
- native grasses
- paleontological studies
- wildflowers
- Library Collection RecordDrewa and Havstad examined the responses of herbaceous and suffrutescent species to fire, grazing, and presence of Prosopis glandulosa, in a Chihuahuan desert grassland in southcentral New Mexico.…Publication Date 1969
- population dynamics
- livestock
- drought
- black grama
- Bouteloua eriopoda
- diversity
- honey mesquite
- prescribed fires
- Prosopis glandulosa
- Library Collection RecordBrown and McDonald detect a one-sided presentation of data and opinions on livestock grazing in an issue of Conservation Biology (Fleischner 1994; Noss 1994; Weurthner 1994). Much as been written…Publication Date 1969
- livestock
- grazing
- rangelands
- conservation
- ecosystem processes
- Library Collection RecordBy the end of the second growing season in a Rhode Island salt marsh, biomass-removal plots had greater species richness than controls at high elevations (4.6 vs 2.4), while at low elevations,…Publication Date 1969
- biomass removal
- Juncus gerardi
- salt marsh
- species composition
- species richness
- Library Collection RecordIn this 3-year study of the vegetation in 4 livestock exclosures in North Dakota, Brand and Goetz found that the exclosures had greater graminoid leaf heights and greater mulch accumulation than the…Publication Date 1969
- grazing
- Bouteloua gracilis
- blue grama
- Carex filifolia
- Carex heliophila
- livestock exclosures
- Sedge
- species composition
- thread-leaf sedge
- Library Collection RecordThe effects of long-term summer sheep grazing in southwestern Utah were measured in this study by comparing a sheep-grazed pasture to an ungrazed pasture (occasionally grazed by horses/cattle). The…Publication Date 1969
- desirable species
- forbs
- grazing pressure
- natural plant community
- range condition
- relic site
- species composition
- Library Collection RecordBowers measured plant species composition and cover in plots exposed to varying levels of herbivory (no grazing, small rodent grazing, small mammal grazing, and deer grazing) for four years in a…Publication Date 1969
- plant succession
- community colonization
- exclosures
- plant-herbivore interaction
- seed bank
- species composition
- Library Collection RecordThe objective of this 8-year study was to evaluate the ecosystem-level impacts of no-grazing vs. sustained moderate and heavy cattle grazing, in terms of plant species basal cover, density, and…Publication Date 1969
- climactic variation
- grazing pressure
- litter and root decomposition
- mixed grass prairie
- net primary production
- net soil N mineralization
- nitrogen loss
- soil carbon
- soil nitrogen
- species composition
- 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 RecordSelective grazing by some herbivores can alter pasture species composition, range condition and forage production within and between seasons. In this study, moderate sheep grazing in the fall-winter…Publication Date 1969
- Quercus douglasii
- Blue Oak
- selective grazing
- California annual grassland
- range condition
- species composition