Rangeland Ecology & Management
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Displaying 1 - 50 of 69 results
- Library Collection RecordThe objective of this study was to examine flexibility in allocation to storage and reproduction with respect to loss of leaf area in Trillium grandiflorum, a perennial herb of temperate deciduous…Publication Date 1969
- defoliation
- resource allocation
- deciduous forest
- reproductive biology
- spring ephemeral
- total nonstructural carbohydrates
- Trillium grandiflorum
- Library Collection RecordThis review paper tracks Idaho's rangeland livestock-fishery resources from their historic development to the future, and discusses the importance of managing rangelands to produce the optimum…Publication Date 1969
- management
- forage
- livestock
- grazing
- fisheries resource
- Idaho rangelands
- riparian degradation
- Library Collection RecordIndian ricegrass (Oryzopsis hymenoides) plants were clipped at anthesis in a field study that compared the seed production, weight, and germination of plants that were exposed to heavy grazing or…Publication Date 1969
- protection
- defoliation
- germination
- viability
- ecotypic variation
- Indian Ricegrass
- Oryzopsis hymenoides
- Library Collection RecordA simulation model was created and verified using data from field experiments, to determine the compensatory growth of crested wheatgrass (Agropyron desertorum) after grazing, at different times…Publication Date 1969
- crested wheatgrass
- Agropyron desertorum
- defoliation
- production model
- ramet population model
- ramets
- tiller
- Library Collection RecordNash et al. found a difference in the community structure of ants between a rangeland in good condition and a rangeland in poor condition, but could not find differences in the ant communities of…Publication Date 1969
- vegetation
- ant
- bare patches
- cool desert
- Formica spp.
- Great Basin
- indicator
- livestock grazing
- Pheidole spp.
- range condition
- Library Collection RecordA study in Denali National Park, Alaska, studied bark stripping by moose (Alces alces) in order to determine the proportion of bark in their diet, what conditions induce bark stripping, and assess…Publication Date 1969
- moose
- Populus tremuloides
- White spruce
- Picea glauca
- forage
- Alces alces
- aspen-spruce communities
- bark stripping
- Denali National Park
- quaking aspen
- Salix sp.
- willows
- Library Collection RecordMiller and Rose measured the effects of simulated autumn herbivory on crested wheatgrass (Agropyron desertorum) tiller mortality and plant growth. Tiller recruitment was lower in the autumn…Publication Date 1969
- defoliation
- roots
- crested wheatgrass
- Agropyron desertorum
- Allocation
- tiller
- Library Collection RecordUngrazed, lightly grazed, and heavily grazed intensity treatments for 50 years, in short-grass steppe of Colorado, were assessed in terms of forage nitrogen concentrations, nitrogen yields, and in…Publication Date 1969
- defoliation
- precipitation
- nitrogen
- grazing history
- Grazing Intensities
- nutritional quality
- Library Collection RecordIn southern British Columbia, McLean and Wikeem conducted clipping trials at two upper grassland sites for rough fescue, two lower grassland sites for crested wheatgrass, and one site each in the…Publication Date 1969
- defoliation
- crested wheatgrass
- British Columbia
- grazing
- bluebunch wheatgrass
- growth cycle
- rough fescue
- Library Collection RecordThis study took place in one well developed stand of riparian trees and shrubs that appeared to be even-aged along the San Juan River near Chinle Wash in southern Utah. The purpose of the study was…Publication Date 1969
- beavers
- forage
- cottonwoods
- Populus fremontii
- Castor canadensis
- central place foraging theory
- Selective Feeding
- Library Collection RecordThe Aspen Parkland of western Canada constitutes a major portion of the agricultural areas of Manitoba, Saskatchewan, and Alberta, with 86% of the forage production and 66% of the beef cattle herd.…Publication Date 1969
- forage
- research
- aspen parkland
- pasture
- Review
- Library Collection RecordPlants of two species of Sesbania were defoliated in patterns designed to reveal the level of integrated response. For field grown plants, defoliation caused fruit abortion on the defoliated…Publication Date 1969
- defoliation
- yield components
- integrated physiological unit
- metamer
- modular growth
- Library Collection RecordIn Alberta, Mapfumo et al. quantified soil water patterns from grazed and ungrazed perennial and annual forages and to evaluate the ability of Versatile Soil Moisture Budget (VB2000) model to…Publication Date 1969
- evapotranspiration
- forage
- Alberta
- model calibration
- model evaluation
- versatile soil moisture budget model
- Library Collection RecordPlatts and Nelson examined the effects of a rest-rotation grazing system versus complete rest on streams that had experienced wildlife use exclusively, in the previous 20 years, as well as streams…Publication Date 1969
- forage
- watersheds
- livestock
- rest-rotation grazing
- stream-bank alteration
- stream-side meadows
- Library Collection RecordLoft et al. found that cattle can have an affect on mule deer habitat selection when forage quality and quantity are low in the late summer. Moderate to heavy cattle grazing seemed to push mule deer…Publication Date 1969
- forage
- fitness
- habitat shift
- optimal growth
- Library Collection RecordJohnson-Nistler et al. measured the effects of black-tailed prairie dog (Cynomys ludovicianus) colonies on native range vegetation, in the mixed grass prairie of northeastern Montana. Plant biomass…Publication Date 1969
- vegetation
- nutrition
- herbivory
- black-tailed prairie dog
- Cynomys ludovicianus
- Library Collection RecordJaramillo and Detling raised samples of blue grama (Bouteloua gracilis) from heavily grazed prairie dog (Cynomys ludovicianus) colonies and lightly grazed uncolonized sites in Wind Cave National Park…Publication Date 1969
- Bouteloua gracilis
- defoliation
- blue grama
- clipping
- Cynomys ludovicianus
- grass
- grassland
- grazing history
- nitrogen accumulation
- nutrient accumulation
- prairie dogs
- Library Collection RecordThe authors tested the effects of clipping and root herbivory, both separately and combined, on the growth and leaf gas exchange of sideoats grama (Bouteloua curtipendula). Nematodes (…Publication Date 1969
- Sideoats grama
- Bouteloua curtipendula
- defoliation
- fine roots
- net photosynthesis
- root-feeding nematodes
- 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 RecordHughes examined four allotments that had been grazed consistently for 20 years in Arizona, under a rest-rotation grazing regime. The study data demonstrates that utilization levels play a role in…Publication Date 1969
- utilization
- forage
- desert grasslands
- Key Species
- rest-rotation grazing
- 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 RecordHendon and Briske investigated the response of Texas cupgrass (Eriochloa sericea), a warm season perennial bunchgrass, to clipping of 75% of canopy volume prior-, during, and post- culm elongation,…Publication Date 1969
- herbivory
- defoliation
- mortality
- Eriochloa sericea
- herbivory-sensitivity
- perennial bunchgrass
- Texas cupgrass
- tiller demography
- Library Collection RecordHaferkamp et al. measured the effects of clipping in May or June on western wheatgrass (Pascopyrum smithii) growth and tiller dynamics in plots with and without competition from annual brome (Bromus…Publication Date 1969
- defoliation
- Bromus japonicus
- competition
- forage production
- Japanese brome
- Pascopyrum smithii
- simulated grazing
- western wheatgrass
- Library Collection RecordFrom this two-year study in Utah, Gold and Caldwell quantified the effects of different spatial patterns of defoliation on regrowth rates, peak standing biomass, and aboveground biomass production of…Publication Date 1969
- Agropyron desertorum
- defoliation
- regrowth
- clipping
- spatial pattern
- tussock grass
- 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 RecordOver the past dozen years, the population of bison (Bison bison) on the northern winter range of Yellowstone National Park has expanded from the traditional core along the lower Lamar River, occupied…Publication Date 1969
- bison
- distribution
- group size
- forage
- Bison bison
- population counts
- range expansion
- Yellowstone National Park
- Library Collection RecordIn this Maryland study to simulate deer browsing, Whigham quantified the temporal effects of annual experimental defoliation on the growth rate of leaves and belowground corms, on senescence of corms…Publication Date 1969
- herbivory
- reproduction
- Orchidaceae
- defoliation
- biomass allocation
- Tipularia discolor
- woodland herb
- woodland orchid
- Library Collection RecordThe relationship of soil and vegetation factors to soil loss and runoff were examined near Center, North Dakota on reclaimed mine-land pastures (Cabba Soils) and adjacent native rangeland (Sen Soils…Publication Date 1969
- erosion
- runoff
- pastures
- rangelands
- grazing
- vegetation
- Simulated rainfall
- soil loss
- Library Collection RecordThe effects of summer grazing by captive lesser snow geese goslings (Chen caerulescens caerulescens) on the vegetation of the La Perouse Bay salt marsh in Manitoba, Canada (58Ã�ï¿Â…Publication Date 1969
- grazing
- vegetation
- Chen caerulescens caerulescens
- forage quality
- herbivore-optimization model
- lesser snow goose
- net above-ground primary production (NAPP)
- Puccinellia phryganodes
- Library Collection RecordThe effects of defoliation, compaction, nutrient return, and season of use were examined on three study areas (Willow Creek, approximately 16 km north-northwest of Brogan, Oregon, Valley Creek…Publication Date 1969
- Agrostis stolonifera
- Meadow Foxtail
- Alopecurus pratensis
- defoliation
- Carex spp.
- compaction
- nutrient return
- redtop
- Sedge
- Library Collection RecordThis study was conducted to further determine relationships of soil and vegetation factors to soil loss and water runoff from reclaimed pastures and rangeland in Nebraska. Results showed that soil…Publication Date 1969
- erosion
- runoff
- pastures
- rangelands
- grazing
- vegetation
- Simulated rainfall
- soil loss
- Library Collection RecordThe effects of simulated grazing on concentrations of N, P, and total suspended solids (TSS) in runoff from fescue dominated pastures were measured at the University of Kentucky Maine Chance…Publication Date 1969
- runoff
- nutrients
- cattle
- forage
- manure
- Rainfall Simulator
- Library Collection RecordThis scientific opinion paper focuses on the weaknesses of recent studies out at La Perouse Bay on the coast of Hudson Bay that have examined the effect of Lesser Snow Geese grazing on net above-…Publication Date 1969
- geese
- grazing
- forage
- net-above ground primary production (NAPP)
- nutrient cycling
- succession
- Library Collection RecordThe effects of cattle grazing on soil moisture were determined during this two year study conducted on five sites: three sites under forage (one on reclaimed mine lands), and two sites under pasture…Publication Date 1969
- forage
- grazing
- water retention
- runoff
- pasture
- total soil water
- Library Collection RecordA short term greenhouse study examined the effects of species competition and clipping on carbon allocation in leafy spurge plants grown with Idaho fescue, Kentucky bluegrass and alfalfa plants.…Publication Date 1969
- defoliation
- Leafy spurge
- plant competition
- Medicago sativa
- carbon allocation
- Festuca idahoensis
- grazing tolerance
- noxious range weed
- Poa pratensis L.
- Library Collection RecordThe effects of defoliation on biomass distribution were studied in plants of Holcus lanatus, Lolium perenne, and Trifolium repens, collected from three different-aged pastures in British Columbia.…Publication Date 1969
- defoliation
- Holcus lanatus
- Lolium perenne
- Trifolium repens
- grass-grazer relationship
- pasture age
- Library Collection RecordWraith et al. compared soil moisture and plant water status on grazed and ungrazed portions of a 10-paddock, short duration grazing system, on established crested wheatgrass (Agropyron cristatum)…Publication Date 1969
- soil moisture
- water balance
- defoliation
- crested wheatgrass (Agropyron cristatum)
- leaf water potentials
- spring grazing
- 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 RecordWhite et al. measured the vegetative responses of a New Mexico blue grama rangeland to heavily stocked, short-duration grazing and moderately stocked, continuous grazing. In general, total produced…Publication Date 1969
- primary production
- defoliation
- Bouteloua gracilis
- stocking rate
- blue grama
- grazing system
- 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 RecordThis article reviews evidence for the contention that chronic high densities of white-tailed deer are having multiple and substantial, deleterious ecological impacts across many regions. Deer have…Publication Date 1969
- Odocoileus virginianus
- forage
- Eastern United States
- habitat
- white-tailed deer
- Library Collection RecordThe concentration of phenols, procyanidins, and protein in pine foliage was determined at two and eight weeks following mechanical defoliation of 0, 25, 50, and 75% in this greenhouse study. The…Publication Date 1969
- Pinus ponderosa
- Procyanidins
- defoliation
- Phenol
- ponderosa pine
- protein
- resistance
- 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 RecordBased on their previous experience and research results, Taylor et al. present the following conclusions relative to vegetation and soil response to intensive grazing systems: 1) rest, rather than…Publication Date 1969
- rest
- vegetation
- productivity
- deferred-rotation grazing
- Edwards Plateau
- high-intensity low-frequency grazing
- short duration grazing
- soil stability
- 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 RecordObservations of cattle grazing pinegrass (Calamagrostis rubescens) indicated that in addition to cropping, pinegrass tillers were pulled up. The objective of this study in British Columbia was to…Publication Date 1969
- grazing
- forage
- Calamagrostis rubescens
- grass
- Herbage Removal
- pinegrass
- tillers
- Library Collection RecordDuring a study in Florida, in the first year of defoliation, dry matter (DM) harvested for 'Mott' elephantgrass (Pennisetum purpureum) and 'S-Mott' varied little from that of the…Publication Date 1969
- Pennisetum glaucum
- elephant grass
- Pennisetum purpureum
- defoliation
- crude protein
- agronomic performance
- in vitro digestible organic matter
- pearl millet
- Pennisetum hybrids
- Library Collection RecordSandoval et al. studied the dietary similarities between elk and mule deer on the Los Alamos National Laboratory in New Mexico. Dietary overlap between elk and mule deer, over the life of the study…Publication Date 1969
- rangelands
- forage
- wildlife
- grazing
- competition
- Library Collection RecordBandelier National Monument erected a series of ungulate exclosures and paired reference areas to evaluate elk (Cervus elaphus nelsoni) impacts on the vegetative community in pinyon (Pinus edulis)-…Publication Date 1969
- grazing
- trampling
- vegetation
- Cervus elaphus nelsoni
- elk
- impacts
- Simulated
- Library Collection RecordRomo et al. examined the effects of cattle grazing and simulated grazing, at different times in the growing season on winterfat (Ceratoides lanata) growth and production to determine the appropriate…Publication Date 1969
- defoliation
- grazing management
- productivity
- Ceratoides lanata
- standing crop
- Winterfat