Rangeland Ecology & Management
Get reliable science
Toggle Search
Result Type
Collection
Keywords
Displaying 1 - 50 of 108 results
- Library Collection RecordStudy was conducted in two montane riparian areas in the Black Range of western New Mexico, approximately 230 km northwest of Las Cruces to evaluate the effects of different grazing intensities and…Publication Date 1969
- grazing intensity
- streambank morphology
- Library Collection RecordPlains cottonwood and peachleaf willow seedling establishment was studied to determine the effects of seedbed disturbance and irrigation along Boulder Creek, Colorado (40° 3' N, 105° 8…Publication Date 1969
- Populus deltoides
- disturbance
- Flood
- natural seedfall
- peachleaf willow
- plains cottonwood
- restoration
- riparian
- Salix amygdaloides
- seedling establishment
- Library Collection RecordThe effect of different grazing intensities (no grazing, light, moderate, and heavy) of Black Brant (Branta bernicla) gosling on grazing lawns planted to Carex subspathacea and native slough levees (…Publication Date 1969
- herbivory
- grazing intensity
- black brant geese
- Branta bernicla nigricans
- Carex subspathacea
- forage availability
- foraging efficiency
- Triglochin palustris
- Library Collection RecordIn this 3 year study, grazing sheep and cattle together tended to reduce the impacts of grazing on vegetation and soils, when compared to grazing either herbivore alone. Mixed species pastures had…Publication Date 1969
- Bos taurus
- Ovis aries
- soil compaction
- botanical composition
- selective grazing
- multi-species grazing
- Library Collection RecordAltering the stocking rate in a rotational grazing system, time of year, and plant species affected the non-structural carbohydrate storage in Florida stargrass pastures. Pastures with high stocking…Publication Date 1969
- rotational grazing
- grazing intensity
- Digitaria decumbens
- Paspalum notatum
- bahiagrass
- Cynodon spp.
- plant regrowth
- stargrass
- Transcala digitgrass
- Library Collection RecordIndividual species response to grazing, physical disturbance, competition and fire was analyzed at a population-level and community-level in the Serengeti National Park in Tanzania (34˚ 05â…Publication Date 1969
- grazing
- herbivores
- species diversity
- Community organization
- community structure
- disturbance
- functional response group
- mammalian grazer
- Manipulation
- Library Collection RecordEffects of grazing management and N fertilization on the persistence of vaseygrass (Paspalum urvillei), a weedy species in limpograss (Hemarthria altissima) pastures were examined at the Beef…Publication Date 1969
- grazing intensity
- Paspalum urvillei
- fertilization
- grazing system
- Hemarthria altissima
- limpograss
- vaseygrass
- weedy species
- Library Collection RecordThree new predictions of grazing impacts on arid rangelands: (plant species richness will exhibit a negative but moderate decrease with grazing; a separate degradation state within the impact zone…Publication Date 1969
- grazing
- soil texture
- Australia
- arid lands
- desert
- distance gradients
- disturbance
- state and transition models
- water remoteness
- Library Collection RecordThe effects of disturbances caused by greater snow goose (Chen caerulescens atlantica) grubbing, ice scouring, and the combination of the two were examined on a tidal marsh (47° 00’N ; 70° 35’…Publication Date 1969
- grazing
- primary production
- Quebec
- disturbance
- grubbing
- ice drift
- plant dynamics
- Scirpus marsh
- St. Lawrence estuary
- Library Collection RecordLong-term changes in plant community composition and vegetative structure were measured using 10 permanent plots established in 1992 and revisited in 2001. Permanent plots were established in four…Publication Date 1969
- monitoring
- disturbance
- Great Basin National Park
- livestock removal
- riparian ecosystems
- tree diameter
- woody vegetation
- Library Collection RecordAdler and Lauenroth recorded canopy cover, density, litter, bareground, soil texture, and small mammal activity on eight paired plots of moderately grazed pastures and ungrazed exclosures.…Publication Date 1969
- grazing
- plant competition
- Bouteloua gracilis
- Buchloe dactyloides
- Agropyron smithii
- Stipa comata
- Aristida longiseta
- bunchgrasses
- disturbance
- Moran's I
- Sitanion hystrix
- spatial dependence
- Library Collection RecordA two year study was conducted in Newfoundland on the Gros Morne National Park, a boreal ecosystem, to determine the level of susceptibility to invasion and if any kind of disturbance would cause…Publication Date 1969
- soil pH
- herbivory
- forests
- boreal ecosystem
- disturbance
- human activity
- natural areas
- weed spread
- Library Collection RecordEstablishment and survival of five weeds were examined across a gradient from uplands to lowlands with 5 combinations of disturbances (long-term grazed, and grazed during experiment, long-term grazed…Publication Date 1969
- herbivory
- compensatory growth
- Cirsium arvense
- disturbance
- establishment
- Kochia scoparia
- landscape topography
- Lepidium densiflorum
- Salsola iberica
- Sisymbrium altissimum
- Library Collection RecordPlots in the southern Sierra Nevada’s were examined for species richness and cover of native and invasive species in three vegetation types (blue oak savanna, chaparral and coniferous forests)…Publication Date 1969
- alien plant species
- cover
- disturbance
- grazing history
- plant diversity
- species richness
- Library Collection RecordMendoza determined the effects of light, heavy or severe simulated herbivory on understory palms (Astrocaryum mexicanum) at different growth stages. Plant response to defoliation varied by plant age…Publication Date 1969
- grazing intensity
- mortality
- compensatory growth
- Astrocaryum mexicanum
- recovery from grazing
- simulated herbivory
- tropical rainforest
- Library Collection RecordMcClaren and Anable measured the changes in density of Lehmann lovegrass (Eragrostis lehmanniana) and native grasses, and the proportion of lovegrass present along a livestock grazing intensity…Publication Date 1969
- invasive species
- Arizona
- disturbance
- mesquite-grass savanna
- repeated measure analysis
- Library Collection RecordIn disturbed plots, species richness decreased with intensity of disturbance in early summer and increased in midsummer. No difference in richness or species composition was detected between control…Publication Date 1969
- Solidago canadensis
- New Jersey
- Ambrosia artemisiifolia
- disturbance
- dominance
- old fields
- species coexistence
- species richness
- succession
- Library Collection RecordTemperatures were lower in the control plots compared to the uniform and mosaic plots following cattle (Bos taurus) grazing. Grasshopper (Ageneotettix deorum, Aulocara elliotti, Melanoplus…Publication Date 1969
- Bos taurus
- Melanoplus sanguinipes
- Ageneotettix deorum
- Aulocara elliotti
- Camnula pellucida
- Melanoplus packardii
- mosaic plot
- uniform plot
- Library Collection RecordIn pastures grazed by cattle (Bos taurus), elk (Cervus elaphus) used forested areas, draws, spur ridges, steep slopes, and higher elevations more than in ungrazed pastures. Elk avoided pastures when…Publication Date 1969
- Odocoileus hemionus
- Bos taurus
- Cervus elaphus
- grazed pastures
- rested pastures
- steep slope
- Library Collection RecordA historical review of human activities influencing stream and riparian ecosystems in eastern Washington and Oregon shows that cumulative effects of resource uses and management, over the past two…Publication Date 1969
- Oregon
- Washington
- disturbance
- Resource Use
- riverine ecosystems
- Library Collection RecordAuthors examined vegetation, surface seed and soil seed bank composition in rough fescue grasslands under grazing intensities, varying from no grazing to heavy grazing. Seeds in the soil were least…Publication Date 1969
- native species
- grazing intensity
- introduced species
- season
- seed bank
- soil depth
- species composition
- Library Collection RecordFrom the time they initially colonize new areas, prairie dogs disturb grasslands by burrowing and grazing, thereby creating large patches of altered vegetation in the landscape. In this South Dakota…Publication Date 1969
- above-ground net primary production
- black-tailed prairie dogs
- Cynomys ludovicianus
- disturbance
- mixed-grass prairie
- N concentration
- species composition
- Library Collection RecordVolesky et al. determined the effects of grazing wet meadows, in the Nebraska sandhills, at low, moderate, and heavy stocking rates, three or five times per growing season. Stocking rate had greater…Publication Date 1969
- grazing intensity
- slender wheatgrass
- forage quality
- herbage dynamics
- plant community composition
- subirrigated meadow
- Wet Meadow
- woolly sedge
- Library Collection RecordVarnamkhasti measured the effects of long-term grazing history (ungrazed, light, heavy), current year defoliation (clipped, unclipped), and water availability (normal, wet) on primary production and…Publication Date 1969
- compensatory growth
- grazing intensity
- primary production
- plant community composition
- precipitation use efficiency
- semiarid grassland
- simulated grazing
- Library Collection RecordValone and Kelt compared the effects of burning and grazing on summer and winter annuals and perennials, with regard to individual abundance, species richness, and diversity. On the grazed…Publication Date 1969
- grazing
- species diversity
- disturbance
- fire
- species richness
- Library Collection RecordIn this study, soil water dynamics were measured in pastures that were seeded with annual (Triticosecale, Triticosecale and Hordeum vulgare) or perennial (Bromus inermis, Bromus riparius) species and…Publication Date 1969
- evapotranspiration
- grazing intensity
- Forages
- water-use efficiency
- Library Collection RecordNormalized difference vegetation index (NDVI) of experimental plots that were exposed to different intensities (5, 10, or 20 cm stubble height) and frequencies (0, 1, 3, or 6 times during the growing…Publication Date 1969
- prescribed burning
- grazing intensity
- defoliation
- grazing frequency
- normalized difference vegetation index
- remote sensing measurements
- simulated grazing
- Library Collection RecordHabitat burning influenced white-tailed deer (Odocoileus virginianus) forage-class use more than cattle (Bos taurus) grazing, except in the winter. Yearlong cattle grazing resulted in less browse on…Publication Date 1969
- Odocoileus virginianus
- Bos taurus
- diet diversity
- forage availability
- generalist forager
- white-tailed deer
- Library Collection RecordWhite-tailed deer (Odocoileus virginianus) diet selectivity and diet digestibility was reduced, but foraging efficiency was increased, due to cattle (Bos taurus) grazing. Deer were able to more…Publication Date 1969
- Odocoileus virginianus
- Bos taurus
- diet digestibility
- diet selectivity
- foraging efficiency
- white-tailed deer
- Library Collection RecordWhite-tailed deer (Odocoileus virginianus) preferred browse and forbs yearlong, while cattle (Bos taurus) preferred grasses during the spring and summer and browse and herbage during the fall and…Publication Date 1969
- Odocoileus virginianus
- Bos taurus
- browse
- competition
- dietary overlap
- white-tailed deer
- Library Collection RecordUngrazed grasslands were the most productive for bird numbers, while rotationally grazed pastures were the least productive. Cattle (Bos taurus) trampling and nest desertion after cattle had grazed…Publication Date 1969
- Bos taurus
- avian productivity
- nest cover
- nest desertion
- population sink
- pro-bird grassland management system
- Library Collection RecordTaylor et al. concluded that the removal of cattle from Ash Springs and Browne Springs caused a healthy rebound of the fish population in that stream. They had predicted that cattle were introducing…Publication Date 1969
- ammonia
- nitrates
- disturbance
- endemic fishes
- Library Collection RecordTaylor and Littlefield examined the effects that a reduction in disturbance had on the population numbers of two passerine species in southeastern Oregon. Cattle have grazed quite extensively on the…Publication Date 1969
- willow
- disturbance
- passerine birds
- riparian habitat
- Library Collection RecordSvejcar and Christiansen measured root mass, root length, and leaf area index on Caucasian bluestem (Bothriochloa caucasica) pastures that were lightly or heavily grazed by cattle. Plants in heavily…Publication Date 1969
- defoliation
- grazing intensity
- Bothriochloa caucasica
- Caucasian Bluestem
- grazing tolerance
- root length density
- root:shoot ratio
- Library Collection RecordSvejcar and Christiansen measured xylem water potential, stomatal conductance and soil moisture of Caucasian bluestem (Bothriochloa caucasica) pastures, that were lightly or heavily grazed by cattle…Publication Date 1969
- stomatal conductance
- soil moisture
- grazing intensity
- water stress
- Bothriochloa caucasica
- xylem potential
- Library Collection RecordThis study determined that cattle (Bos taurus) grazing and haying on National Wildlife Refuges, across the United States, are detrimental to the refuge goal of wildlife conservation. Overgrazing…Publication Date 1969
- Bos taurus
- overgrazing
- prescribed burning
- breeding season
- riparian habitat
- wildlife mortality
- Library Collection RecordStewart et al. examined the forage used, and its contents of isotopes of nitrogen (N) and carbon (C) by cattle, elk and mule deer on the Starkey Experimental Forest and Range in northeastern Oregon…Publication Date 1969
- Bos taurus
- cattle
- Cervus elaphus
- diet
- mule deer
- Odocoileus hemionus
- microhistological analysis
- niche
- North American elk
- stable isotopes
- Library Collection RecordBased on their observations of cattle (Bos taurus) and bison (Bos bison) grazing on Nature Conservancy-owned reserves in three Great Plains states (Nebraska, South Dakota, and North Dakota), Steuter…Publication Date 1969
- bison
- cattle
- Bos taurus
- Bos bison
- Great Plains
- Management Regimes
- mixed grass prairie
- Library Collection RecordThe objective of this study was to assess the impact of animal density on the P status of A, B, and C horizons of soils, on the Beaurivage River watershed located in Quebec, Canada. The results of…Publication Date 1969
- cattle
- Bos taurus
- Hogs
- phosphorus
- Quebec
- animal density
- Porcus sp.
- watershed
- Library Collection RecordSheehy and Varva looked at the causes of spatial and temporal separation between elk, mule deer and cattle. They found that temporal separation was the most important factor for alleviating the…Publication Date 1969
- mule deer
- Odocoileus hemionus
- Cervus elaphus
- cattle
- Bos taurus
- selection
- diet overlap
- elk
- Geographic Information System
- Preferences
- Library Collection RecordShariff et al. examined the impact of moderate and heavy grazing on above-ground net primary productivity (ANPP), growing season root productivity (GSRP), and plant nitrogen in the grasslands of…Publication Date 1969
- grazing
- productivity
- grasslands
- grazing intensity
- Nitrogen Uptake
- Library Collection RecordSedgwick and Knopf found that breeding densities of the migratory birds, in the study area, were not influenced by a seasonal, short-duration cattle (Bos taurus) grazing system. Sedgwick and Knopf…Publication Date 1969
- Bos taurus
- American robins
- common yellowthroat
- Geothlypis trichas
- Icteria virens
- migratory birds
- Turdus migratorius
- yellow-breasted chat
- Library Collection RecordWhen herbivores preferentially feed on early successional species they may generate conditions favorable for these species and thus create a positive feedback. Positive feedbacks may create multiple…Publication Date 1969
- foraging
- grasslands
- herbivory
- alternate stable states
- disturbance
- herbivore population dynamics
- multiple stable state
- pocket gophers
- spatial structure
- succession
- Thomomys bottae
- Library Collection RecordSchulz and Guthery examined how short duration grazing (SDG) and continuous grazing (CG) influenced seasonal densities of northern bobwhites (Colinus virginianus) and ground cover structure.…Publication Date 1969
- continuous grazing
- biomass
- trampling
- Bos taurus
- cattle
- Colinus virginianus
- herbaceous cover
- Library Collection RecordThe effects of moderate to heavy sheep use (100, 150, and 200% of moderate use) were measured by Rosiere, on species composition and forage production in two major subtypes, the grass-woodland…Publication Date 1969
- botanical composition
- grazing intensity
- annual range
- herbage production
- Herbage Yield
- Library Collection RecordLong-term (7-9 years) and short-term (1 year) grazing exclosures were used to determine the effects of grazing on plant and insect abundance, species richness and evenness over different time…Publication Date 1969
- grazing
- community structure
- disturbance
- evenness
- exclosures
- species richness
- Library Collection RecordBison (Bison bison) chose to graze grass-dominated patches and avoided shrub and forb-dominated patches, while cattle (Bos taurus) chose patches with high-quality forbs and browse. Throughout the…Publication Date 1969
- Bos taurus
- crude protein
- Bison bison
- cool season grasses
- forage patchiness
- foraging behavior
- Warm Season Grasses
- Library Collection RecordTo study disturbance in a system where minimal structure is not known, an initial, or the best available approximation to minimal structure should be used. Pickett et. al proposed an operational…Publication Date 1969
- stress
- disturbance
- ecological hierarchies
- minimal structure
- spatial dimension
- Library Collection RecordPedreira and Brown measured plant production of three bahiagrass (Paspalum notatum) populations (Pensacola, Tifton 9 and Tifton 14), when plants were exposed to light (10 cm stubble height) or heavy…Publication Date 1969
- Paspalum notatum
- plant production
- grazing intensity
- bahiagrass
- below-ground biomass
- simulated herbivory
- Library Collection RecordOrtega et al. studied the effects of moderate and heavy cattle (Bos taurus) stocking rates, under continuous and short-duration grazing treatments, on white-tailed deer (Odocoileus virginianus) diets…Publication Date 1969
- crude protein
- Odocoileus virginianus
- Bos taurus
- continuous grazing
- IVDOM
- short-duration grazing
- white-tailed deer