Rangeland Ecology & Management
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- 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 RecordThe gaming theory is used to model outcomes of grassland use for grazing by cooperative farmers and non-cooperating farmers. Models account for grassland dynamics and assume each farmer maximizes…Publication Date 1969
- Common property
- grasslands
- Common pool resources
- complex ecosystem dynamics
- differential games
- multiple equilibria
- 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 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 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 RecordPlant species richness and the proportion of native species in a complex of adjacent serpentine and nonserpentine meadows was examined in northern Napa and southern Lake counties in California.…Publication Date 1969
- plants
- grasslands
- diversity
- invasion
- serpentine
- 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 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 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 RecordThe total biomass response of Stipa occidentalis to elevated CO2 was similar (averaging 18% increase in biomass) to the response found for other grassland species. However, the increase in total…Publication Date 1969
- grazing
- herbivory
- grasslands
- CO2 enrichment
- global change
- Stipa occidentalis
- Yellowstone National Park
- Library Collection RecordAuthor measured the effects of different frequencies and intensities of defoliation on rough fescue and parry oat grass regrowth and yield. Rough fescue yield declined as clipping frequency…Publication Date 1969
- grasslands
- plant production
- clipping height
- clipping interval
- danthonia parryi
- Festuca scabrella
- Harvest
- simulated grazing
- 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 RecordWeiss examined the role of livestock in maintaining nutrient-poor serpentine soil grasslands in California as suitable habitat for the threatened bay checkerspot butterfly (Euphydryas cditya baycnsis…Publication Date 1969
- nitrogen
- grasslands
- grazing
- butterfly populations
- plant growth
- 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 RecordThe authors present data on the effects of elk (Cervus elaphus) herbivory on grassland species composition, biomass production, and forage quality, and to document any changes in ungulate-grassland…Publication Date 1969
- Cervus elaphus
- grazing
- grasslands
- herbivory
- elk
- fire effects
- forage quality
- ungulate winter range
- Yellowstone National Park
- 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 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 RecordPolley and Detling examined the effects of defoliation on growth and nitrogen nutrition in populations of Agropyron smithii (western wheatgrass) collected from a heavily grazed black-tailed prairie…Publication Date 1969
- defoliation
- grasslands
- biomass production
- nitrogen accumulation
- prairie dog colonies
- Library Collection RecordHerbivores are generally thought to enhance plant diversity by their direct consumption of competitively dominant plant species and indirect effects on plants competition. Consequently, management…Publication Date 1969
- herbivory
- biodiversity
- grasslands
- extinction dynamics
- habitat scales
- local plant colonization
- spatial scales
- temporal scales
- 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 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 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 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 RecordIntermediate wheatgrass (Thinopyrum intermedium) and Russian wildrye (Psathyrostachys juncea) plants were exposed to three moisture levels and two levels of simulated grazing to determine the…Publication Date 1969
- biomass
- soil moisture
- axillary buds
- intermediate wheatgrass
- Psathyrostachys juncea
- Russian wildrye
- Thinopyrum intermedium
- Tiller recruitment
- Library Collection RecordHarrison et al. studied the effects of livestock grazing and fire in a mosaic of serpentine and nonserpentine soils in California, where most grasslands are dominated by exotic annuals and serpentine…Publication Date 1969
- grasslands
- grazing
- diversity
- exotic species
- fire
- invasion
- serpentine
- species richness
- Library Collection RecordIn this study, Gough and Grace studied plant community responses to fertilization and herbivory in Louisiana brackish and freshwater marshes. Species density was greater in plots that were grazed…Publication Date 1969
- biomass
- fertilization
- herbivory
- Nutria
- nutrients
- productivity
- species diversity
- coastal marsh
- diversity
- Myocastor coypus
- Sagittaria lancifolia
- Scirpus americanus
- Spartina patens
- Library Collection RecordGough and Grace used strategic sod placement and exclosures to determine if rising sea levels will impact salt marsh vegetation by increasing salinity, flooding frequency and sensitivity of plants to…Publication Date 1969
- biomass
- Louisiana
- Nutria
- species diversity
- Myocastor coypus
- Species Density
- Library Collection RecordThe intensity of removal of underground biomass, number of "bites" taken, and the number of adventitious buds removed were tested on Scirpus americanus, by clipping the marsh plants to…Publication Date 1969
- primary production
- rhizomes
- biomass
- Chen caerulescens atlantica
- coastal marsh
- Scirpus americanus
- simulated feeding
- 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 RecordIn this study, Frank and McNaughton tested the theory that herbivory would stimulate above-ground production by measuring the effects of elk (Cervus elaphus) and bison (Bison bison) grazing on plant…Publication Date 1969
- herbivory
- primary production
- grasslands
- Cervus elaphus
- bison
- Bison bison
- elk
- Yellowstone National Park
- Library Collection RecordFrank et al. determined how nitrogen (N) cycling in Yellowstone National Park related to topography and ungulate use. As found in previous grassland studies, the N mineralization rates in…Publication Date 1969
- grasslands
- herbivory
- nitrogen cycling
- Yellowstone National Park
- Library Collection RecordThe diversity of responses of individual grasses to defoliation created a controversy years ago, which still needs clarification. Ferraro and Oesterheld quantitatively assessed the evidence of…Publication Date 1969
- defoliation
- biomass
- ecosystem primary production
- individual grass growth
- Linear Regressions
- meta-analysis
- nitrogen availability
- recovery time
- relative growth rate
- Library Collection RecordFahnestock and Knapp assessed the indirect effects of selective grass herbivory by bison on the xylem pressure potentials and primary production of ungrazed tallgrass prairie forbs, during the 1990…Publication Date 1969
- bison
- grazing
- Andropogon gerardii
- biomass
- Ambrosia psilostachya
- Aster ericoides
- Bison bison
- Vernonia baldwinii
- xylem pressure potential
- Library Collection RecordThis article reviews the previous discussions regarding the bison migration/non-migration controversy. One hypothesis is that bison herds migrated regularly between woodland and grassland…Publication Date 1969
- bison
- grasslands
- bison movements
- foraging strategy
- Great Plains
- habitat
- human-bison ecological relationship
- woodland environments
- Library Collection RecordThis article supports the belief that overcompensation of total primary production can occur in plant populations and communities subjected to grazing. However, it is noted that whether or not this…Publication Date 1969
- compensation
- grazing
- grasslands
- primary production
- rangelands
- herbivory
- herbivore optimization theory
- overcompensation
- Library Collection RecordCoughenour examined dormant season elk (Cervus elaphus) impacts on shoot and root standing crop and nitrogen concentration in and outside of 35 year old exclosures in Yellowstone National Park's…Publication Date 1969
- Cervus elaphus
- grazing
- biomass
- elk
- grazing impacts
- nitrogen concentration
- winter range
- Yellowstone National Park
- Library Collection RecordBai et al. studied the range condition and vegetation composition and characteristics to determine the effects of grazing on the southern Saskatchewan grassland region. Grazing altered species…Publication Date 1969
- biomass
- Saskatchewan
- Canonical Correspondence Analysis (CCA)
- litter
- sward structure
- Two-way Indicator Species Analysis (TWINSPAN)