Rangeland Ecology & Management
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- 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 RecordEvapotranspiration (ET) along with soil water content, aboveground biomass and leaf area index (LAI) was investigated to gain a better understanding of how grazing affects water availability in the…Publication Date 1969
- grazing
- biomass
- evapotranspiration
- soil water
- forage production
- Library Collection RecordThe effects of herbivory by waterfowl and nutria were measured because of vegetation loss in Sagittaria spp. dominated marshes along the coast of Louisiana. One set of study plots was set up on…Publication Date 1969
- Nutria
- biomass
- waterfowl
- coastal marsh
- muskrat
- Myocastor coypus
- Ondatra zibethicus
- Sagittaria latifolia
- Sagittaria platyphylla
- species composition
- Library Collection RecordSteers were used to evaluate the effects of stocking density on grazing behavior, dietary selection, forage intake, digesta kinetics, and growth rates of Carex nebraskensis and Juncus balticus in a…Publication Date 1969
- cattle
- stocking density
- biomass
- steers
- Carexnebraskensis
- forage intake
- Juncusbalticus
- Library Collection RecordThe influences of buffer width and slope, vegetation characteristics, and stubble height on sediment retention were examined at the Montana Agricultural Experiment Station’s Red Bluff Research…Publication Date 1969
- runoff
- biomass
- buffer width
- ground cover
- sediment retention
- slope
- stubble height
- Library Collection RecordEffects of streambank fencing on reptile and amphibian species richness, abundance, and biomass were investigated within and around the Pike Run watershed of southwestern Pennsylvania. This was done…Publication Date 1969
- biomass
- livestock
- vegetation
- water quality
- abundance
- amphibian
- herpetofauna
- macroinvertebrate
- reptile
- riparian areas
- species richness
- streambank fencing
- Library Collection RecordDuring the summer of 1985, the effects of browsing by beaver were studied at two beaver ponds in Minnesota (46°50’N, 92°11’W). Pond one (colonized from 1980-1985) was located on a…Publication Date 1969
- Trembling aspen
- Populus tremuloides
- biomass
- beaver
- beaver ponds
- Castor canadensis
- selective herbivory
- species composition
- stem diameter
- 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 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 grazing on a managed ecological systems were quantified from 1993 to 1995 in a study near Beer Sheva in the semiarid desert in Northern Negev of Israel (31°17’ N, 34°37’ E).…Publication Date 1969
- biomass
- management
- organic matter
- productivity
- soil moisture
- diversity
- 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 RecordThis study examined the effects of water-table depth, neighborhood species interactions, and herbivory on the survival, tillering, biomass, and seed production of Carex nebrascensis and Poa pratensis…Publication Date 1969
- tillering
- biomass
- clipping
- competition
- environmental gradient
- neighborhood
- 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 RecordThis two year study used yearling heifers near Mead, Nebraska on an improved pasture seeded to big blue stem (Andropogon gerardii var. gerardii). The goal was to determine if cattle grazing could…Publication Date 1969
- density
- biomass
- Amaranthus retroflexus
- Andropogon gerardii var. gerardii
- Improved Pasture
- mob grazing
- Nitrate
- redroot pigweed
- 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 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 RecordMulder and Harmsen evaluated the growth response of an arctic legume (Oxytropis viscida) to grazing by muskoxen (Ovibos moschatus) on Banks Island, N.W.T. Results showed that removal of…Publication Date 1969
- Ovibos moschatus
- herbivory
- growth
- reproduction
- mortality
- biomass
- arctic legume
- muskox
- Oxytropis viscida
- Library Collection RecordZoellick examined the density and biomass of redband trout (Oncorhynchus mykiss gairdneri), relative to stream temperature, in the headwater reaches of Big Jacks and Little Jacks Creeks, in…Publication Date 1969
- water temperature
- density
- biomass
- desert streams
- Oncorhynchus mykiss gairdneri
- redband trout
- solar insolation
- southwest Idaho
- stream shading
- 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 RecordThis study in the Southern Great Plains looked at grazing duration effects on winter wheat (Triticum aestivum) and grain yield. Growth and grain yield responses to grazing duration were…Publication Date 1969
- defoliation
- grazing management
- tillering
- forage
- leaf area index
- biomass
- winter wheat
- Triticum aestivum
- ground cover
- heading date
- 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 RecordIn this Texas study, Weltzin et al. determined the effects of prairie dogs (Cynomys ludovicianus) on herbaceous vegetation in a southern mixed-grass prairie ecosystem. They measured herbaceous…Publication Date 1969
- grazing
- biomass
- black-tailed prairie dogs
- Cynomys ludovicianus
- ecosystem structure
- Great Plains
- mixed grass prairie
- 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 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 RecordSpencer et al. assessed the impacts of pocket gophers (Geomys attwateri) on both burned and unburned grasslands of coastal Texas. Results suggested gopher mounds had a positive effect on vegetation…Publication Date 1969
- biomass
- Coastal Prairie
- dicotyledon
- Geomys attwateri
- monocotyledon
- mound building
- Pocket Gopher
- soil nutrient concentration
- Library Collection RecordIn a three year study period, Smith et al. observed seasonal habitat selection by cattle in relation to ephemeral channels and forage quality in a cold desert ephemeral watershed in northwestern…Publication Date 1969
- biomass
- utilization
- protein
- seasonal
- Succulence
- 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 RecordIn two Kansas pastures, authors monitored indices of vegetation abundance, composition, and grazing from 1980-1981. At the beginning of the grazing season, some areas were grazed lightly to…Publication Date 1969
- soil properties
- cattle
- biomass
- patch-grazed
- species composition
- 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 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 RecordMosley looked at the possibilities of sheep grazing to enhance the aspects of food, cover, water and space for numerous wildlife species. He points out that grazing can improve habitat for species…Publication Date 1969
- Space
- water
- cover
- disturbance
- niche
- symbiotic relationships
- Library Collection RecordMiller et al. measured the effects of timing of clipping on soil moisture, crested wheatgrass (Agropyron desertorum) regrowth and annual yield, to determine the grazing management that produced the…Publication Date 1969
- soil moisture
- biomass
- crested wheatgrass
- Agropyron desertorum
- regrowth
- Library Collection RecordThrough GIS analysis of aerial photographs, Miller et al. evaluated vegetation alteration and mudflat/open-water-area landscape changes, and the disturbance agents related to any changes from 1939-…Publication Date 1969
- Distichlis spicata
- GIS
- cattle herbivory
- disturbance
- fire
- landscape pattern dynamics
- patch dynamics
- wetland vegetation loss
- Library Collection RecordIn Colorado, Milchunas et al. assessed the effects of 45 years of controlled, heavy grazing by cattle and grazing exclosures on the basal cover and density of species in plant communities along…Publication Date 1969
- herbivory
- landscape
- catena
- community structure
- disturbance
- evolutionary history
- shortgrass steppe
- Library Collection RecordMilchunas et al. examined plant community relationships across various scales and disturbance phenomena with the question of whether or not underlying generalities exist. They also examined the…Publication Date 1969
- grazing
- belowground herbivory
- disturbance
- diversity
- evolutionary history
- nutrient enrichment
- semiarid grassland
- Library Collection RecordMcInnes et al. examined the influence of moose (Alces alces) on aboveground biomass, production, and annual litterfall using four moose exclosures and paired browsing plots on Isle Royale, Michigan…Publication Date 1969
- moose
- biomass
- browsing
- herbivory
- production
- ungulates
- Alces alces
- Boreal Forest
- litter
- Library Collection RecordThis study reports how beaver (Castor canadensis) activity has affected the benthic invertebrate community of a small woodland stream in northeastern Quebec. Dam construction and wood input by…Publication Date 1969
- Quebec
- organic matter
- density
- biomass
- beaver
- benthic invertebrate community
- Castor canadensis
- Library Collection RecordUsing a simple optimization model, Lundberg and Astrom analyzed whether low nutritive quality in terms of low nutrient concentration can be a profitable anti-herbivory strategy for plants. Contrary…Publication Date 1969
- herbivory
- biomass
- food-plant selection
- low nutritive quality
- optimization model
- Library Collection RecordHerbivores influence growth, recruitment, and mortality rates of plants and may do so in ways correlated with plant density, frequency, or other neighborhood traits, or with competitive abilities.…Publication Date 1969
- biodiversity
- vegetation
- competition
- disturbance
- frequency-dependence
- Library Collection RecordHudson and Nietfeld looked at the effects of late-summer elk foraging rates on a mature, grass-dominant vegetation stand. Four elk were contained in a 0.15 ha plot for a 7 day period, where bite/min…Publication Date 1969
- biomass
- stocking rate
- bite rate
- boreal grasslands
- foraging time
- Library Collection RecordTwelve ruminally cannulated and six intact crossbred beef steers were used in a randomized complete block design to evaluate the effects of stocking density of a riparian pasture in the Sierra Nevada…Publication Date 1969
- cattle
- stocking density
- biomass
- forage intake
- Library Collection RecordSmall-plot runoff simulations were used to evaluate the influence of buffer width, slope, vegetation characteristics, and stubble height on sediment retention. Overall, sediment retention was…Publication Date 1969
- runoff
- biomass
- buffer width
- ground cover
- sediment retention
- slope
- stubble height
- 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 RecordReview of several types of disturbances on the health and invasibility of natural plant communities. In the grazing section of the paper, the authors state that grazing is only detrimental in areas…Publication Date 1969
- species diversity
- grazing
- disturbance
- Ecosystem function
- historical use
- invasibility