Rangeland Ecology & Management
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- Library Collection RecordReduction of amphibian populations was investigated by looking at 40 ponds in the agricultural region of southeastern Minnesota, northeastern Iowa, and southwestern Wisconsin to determine what…Publication Date 1969
- agriculture
- fish
- landscape
- nitrogen
- water quality
- agricultural pond
- amphibian
- Driftless Area Ecoregion
- farm pond
- habitat management
- livestock grazing
- stock pond
- Library Collection RecordThe effects of grazing and drought on runoff, erosion, and nutrient transport were measured over three years with 12, 50 m² lysimeters on native grassland near Miles City, Montana on the Fort…Publication Date 1969
- erosion
- nutrient transport
- nitrogen
- phosphorus
- Great Plains
- lysimeter
- nutrient yield
- sediment yield
- 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 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 RecordIn a three year study, Gauthier et al. studied the response of sedges and grasses on Bylot Island to summer grazing by greater snow geese (Chen caerulescens atlantica). Study sites were selected on…Publication Date 1969
- nitrogen
- Arctic
- Dupontia fisheri
- Eriophorum scheuchzeri
- grass
- polygon fens
- Sedge
- 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 RecordWood et al. measure infiltration and sediment production under two grazing techniques: 1, by doubling the stocking rate on rangeland fertilized by nitrogen, and 2) conventional stocking on…Publication Date 1969
- Bouteloua gracilis
- runoff
- nitrogen
- urea
- Infiltration Capacity
- Infiltrometer
- microtopography
- soil bulk density
- Library Collection RecordWood et al. sampled infiltration rates and runoff water quality on range units grazed by cattle under year-long continuous, seasonal continuous, or no grazing in Louisiana. There was no significant…Publication Date 1969
- nitrogen
- phosphorus
- grazing
- interrill erosion
- sediment loss
- 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 RecordLesser snow geese (Anser caerulescens caerulescens) graze heavily on the salt marshes at La Perouse Bay, Manitoba, causing severe vegetational damage in some areas, resulting in hypersaline soils…Publication Date 1969
- nitrogen
- salinity
- temperature
- grubbing
- Hudson Bay Lowlands
- lesser snow geese
- 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 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 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 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 RecordThe suitability of tall wheatgrass (Agropyron elongatum) as an early spring to late summer cattle forage was determined by exposing this plant to different clipping frequencies and measuring it'…Publication Date 1969
- Agropyron elongatum
- nitrogen
- potassium
- calcium
- magnesium
- grazing management
- forage yield
- phosphorous
- 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 RecordTurner et al. hypothesized that overcompensation most likely occurs in previously ungrazed tallgrass prairie as a result of stored photosynthate. In a 3-year experiment, the authors found that…Publication Date 1969
- history
- mowing
- nitrogen
- aboveground and belowground biomass
- cattle grazing
- defoliation intensity
- frequency
- Konza Prairie Research National Area
- maximization of production
- overcompensation
- tallgrass prairie
- 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 RecordThis study was conducted on two sites in Pennsylvania to measure NO3-N leaching loss from spring-, summer-, and fall-applied urine and summer applied feces beneath N-fertilized orchardgrass (Dactyls…Publication Date 1969
- nitrogen
- urine
- feces
- Dactyls glomerata
- management intensive grazing
- NO3-N leaching
- northeast United States
- orchardgrass
- soil water storage capacity
- Library Collection RecordSteinauer and Collins examined the influence of one and two applications of simulated bovine urine on vegetation structure on tallgrass prairie either every 2 or 4 years at Konza Prairie Research…Publication Date 1969
- nitrogen
- alpha diversity
- beta diversity
- clipping
- sandhills prairie
- simulated bovine urine
- tallgrass prairie
- 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 RecordThis study assessed effects of voles (Microtus) on nitrogen dynamics using exclosures in two riparian meadows (Crystal Bench and Blacktail Deer Creek), in Yellowstone National Park. Results showed…Publication Date 1969
- herbivory
- legumes
- voles
- Microtus
- mineralization
- nitrogen
- plant litter
- soil organic matter
- Trifolium
- nitrogen cycling
- potentially mineralizable
- riparian
- Yellowstone National Park
- Library Collection RecordFollowing 40 years of rest, Wyoming mixed grass prairie grazed at light and heavy intensities for 12 years had significantly greater carbon and nitrogen in the root zone of the soil profile than an…Publication Date 1969
- carbon
- nitrogen
- rangelands
- C and N balance
- mixed-grass prairie
- Library Collection RecordThe effects of elk (Cervus elaphus) browsing on plant growth and nitrogen (N) cycling were measured in short willow and tall willow (Salix spp.), aspen (Populus tremuloides), and upland grass/shrub…Publication Date 1969
- Cervus elaphus
- mineralization
- nitrogen
- overgrazing
- plant production
- willow
- elk
- elk herbivory
- overabundance
- Rocky Mountain National Park
- Salix spp.
- Library Collection RecordNitrogen losses and cycling due to goose (Chen caerulescens caerulescens) grazing and fecal deposition were measured by Ruess et al, on the La Perouse Bay, where large flocks of geese graze each year…Publication Date 1969
- nitrogen
- Ammonia Volatilization
- Chen caerulescens caerulescens
- forage quality
- lesser snow goose
- nutrient cycling
- 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
- Library Collection RecordThis study was initiated to determine if herbivores increase or decrease the rate of nutrient cycling in oak savanna plant communities. Plant communities inside of exclosures had more above-ground…Publication Date 1969
- legumes
- herbivores
- nitrogen
- plants
- positive feedback
- savanna
- Library Collection RecordRatliff and Westfall examined the responses of Nebraska sedge (Carex nebraskensis) to protection and grazing. The study took place in Tule Meadow, in the Sierra National Forest, California where…Publication Date 1969
- grazing
- protection
- nitrogen
- carex nebraskensis
- clipping
- forage species
- phosphorous
- shoot density
- shoot frequency
- Library Collection RecordRaillard and Svoboda investigated the clipping on a natural stand of Carex aquatilis var. stans in Sverdrup Pass, Ellesmere Island, in the province of Nunavut, Canada. The authors subjected plots of…Publication Date 1969
- carbon
- nitrogen
- biomass production
- C/N ratio
- net primary production
- simulated grazing
- Library Collection RecordPolley and Detling collected western wheatgrass (Agropyron smithii) from a heavily grazed area in South Dakota, colonized by black-tailed prairie dogs (Cynomys ludovicianus), and from an adjacent…Publication Date 1969
- Agropyron smithii
- nitrogen
- biomass yield
- black-tailed prairie dog
- Cynomys ludovicianus
- western wheatgrass
- 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 RecordIn this study, Phillips et al. determined the affects of short-duration, high intensity grazing, during different grazing intervals, on the nitrogen (N), phosphorous (P), and in-vitrodry- matter…Publication Date 1969
- nitrogen
- Carex aquatilis
- in-vitro dry-matter digestibility
- phosphorous
- planeleaf willow
- salix planifolia
- water sedge
- Library Collection RecordNitrogen and phosphorous losses from manure and fertilizers were modeled for dairy farms, with different stocking densities and fertilizer rates, to determine combinations that could reduce water…Publication Date 1969
- stocking density
- nitrogen
- economics
- manure
- nutrient losses
- phosphorous
- 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 RecordNeff et al. studied three sites (one that was never grazed and two that were historically grazed), in southwestern Utah. Their results show that erosion of nutrient-rich soil fine materials results…Publication Date 1969
- carbon
- erosion
- grazing
- nitrogen
- phosphorus
- soil
- Utah
- Arid
- desert
- soil crust
- 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 RecordCottonwood (Populus fremontii, P. angustifolia) resprout growth had twice the amount of defensive chemicals after beavers (Castor canadensis) cut the trees compared to regular juvenile growth. Leaf…Publication Date 1969
- Populus fremontii
- nitrogen
- Castor canadensis
- Chrysomela confluens
- cottonwood
- defensive chemicals
- Leaf beetles
- phenolic glycosides
- populus angustifolia
- 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 this study, Mapfumo et al. measured soil response to three grazing intensities (light, moderate, and heavy) in pastures that were seeded with annual (Triticosecale, Triticosecale and Hordeum…Publication Date 1969
- carbon
- electrical conductivity
- nitrogen
- potassium
- soil pH
- 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 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 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 RecordHamilton and Frank performed a 13C pulse-chase experiment on a common grazing tolerant grass, Poa pratensis, of Yellowstone National Park, to follow carbon flow into the soil rhizosphere and…Publication Date 1969
- grazing
- herbivory
- nitrogen
- Poa pratensis
- grassland
- microbe
- Yellowstone National Park
- 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