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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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 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