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 RecordThe Goodwin Creek Experimental Watershed in northern Mississippi was used to investigate how switching from cultivated land to non-cultivated land, including pastures, alters the amount and rate of…Publication Date 1969
- erosion
- land use
- rainfall
- runoff
- sediment transport
- Soil and Water Assessment Tool (SWAT model)
- watershed
- Library Collection RecordThe progression of land use changes in El Dorado County, California from 1957 to 1997 was summarized by cataloging past and present land management practices in addition to associated political…Publication Date 1969
- land management
- land use
- ranching
- conservation
- hardwood rangeland
- political ecology
- Sierra Nevada
- Library Collection RecordA land-use plan and a soil conservation strategy for reducing catastrophic soil erosion in the central eastern area of Nigeria (05Ëš 38’, 7Ëš 07’ N; 06Ëš 36’, 8Ëš 30 Publication Date 1969
- erosion control
- land degradation
- land management
- land use
- Nigeria
- soil conservation
- soil erosion
- water conservation
- soil loss tolerance
- 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 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 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 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 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 RecordIn this Florida study, Steinman et al. used a recently established, replicated cattle ranch to investigate the effects of cattle grazing and pasture land use on invertebrate communities in seasonal…Publication Date 1969
- invertebrates
- nutrients
- land use
- cattle grazing
- Chironomids
- Florida wetlands
- Improved Pasture
- semi-native pasture
- 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 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 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 RecordIn this study, Martorell and Peters measured the impacts of human and livestock disturbance on Mammillaria pectinifera, a threatened Mexican globose cactus. In general, decreases in cactus…Publication Date 1969
- methods
- overgrazing
- land use
- land degradation
- density
- multimetric indices
- Library Collection RecordIntensive rotational grazing was used to see if it could be used as an alternative to costly buffer strips to restore streambanks following continuous grazing. The authors compared bank erosion,…Publication Date 1969
- erosion
- fish
- land use
- riparian vegetation
- streams
- buffer strips
- fish habitat
- index of biotic integrity
- intensive rotational grazing
- 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
- Library Collection RecordA grazing gradient in Grand Staircase-Escalante National Monument, Utah was identified with field measurements and spectral mixture analysis (SMA) of remotely sensed hyperspectral imagery. Grazing…Publication Date 1969
- land degradation
- land use
- overgrazing
- rangelands
- grazing gradient
- hyperspectral
- imaging spectroscopy
- Library Collection RecordGreen and Kauffman examined species frequency, richness, evenness, and utilization in grazed pastures and ungrazed exclosures in 8 plant communities, over a 10 year period, in a northeastern Oregon…Publication Date 1969
- grazing
- species diversity
- community succession
- disturbance
- riparian
- Library Collection RecordGlenn et al. measured plant community composition, at the local and regional scale, following no disturbance, grazing, burning, or grazing and burning of tallgrass prairie pastures in Kansas.…Publication Date 1969
- plant communities
- disturbance
- heterogeneity
- hierarchy
- scale
- tallgrass prairie
- Library Collection RecordCollins and Barber measured the effects of grazing, fire, buffalo wallows, and prairie dog towns on grassland plant community dynamics in an area of mixed-grass prairie, in southwestern Oklahoma.…Publication Date 1969
- grazing
- Oklahoma
- buffalo wallows
- disturbance
- diversity
- fire
- grassland
- prairie dog town
- Library Collection RecordIn this Colorado study, authors applied a gap dynamics conceptualization of succession to a semiarid grassland, by focusing on gaps produced in the belowground resource space by death of an…Publication Date 1969
- Bouteloua gracilis
- Aboveground Biomass
- blue grama
- disturbance
- gap dynamics
- simulation model
- succession
- Library Collection RecordIn this Colorado study, Coffin and Lauenroth evaluate the effects of interactions among disturbance characteristics on the successional dynamics of small scale disturbances in shortgrass steppe plant…Publication Date 1969
- Bouteloua gracilis
- animal burrows
- ant mounds
- disturbance
- grassland
- succession
- Library Collection RecordCoffin and Lauenroth evaluated the effects of spatially-explicit processes on the recovery of Bouteloua gracilis after disturbances using a modification of a gap dynamics simulation model, developed…Publication Date 1969
- Bouteloua gracilis
- blue grama
- disturbance
- gap dynamics
- grassland
- simulation model
- succession
- Library Collection RecordLesser snow geese (Chen caerulescens caerulescens) disturb aquatic and semi-aquatic plant species while foraging in the saltmarsh regions of La Perouse Bay, on the Hudson Bay coast. The production…Publication Date 1969
- foraging
- Chen caerulescens caerulescens
- clonal reproduction
- disturbance
- lesser snow geese
- saltmarsh graminoids
- vegetative propagules
- Library Collection RecordThe role of cattle in facilitating the ingress and establishment of mesquite (Prosopis glandulosa) has broader implications with regard to the conversion of grasslands to woodlands. On the site with…Publication Date 1969
- dung
- grazing
- mesquite
- disturbance
- Prosopis glandulosa
- Rio Grande Plains
- succession
- Library Collection RecordBeever et al. examined disturbance created by feral horses (Equus caballus), in 9 mountain ranges of the western Great Basin, USA, in Nevada, using plants, mammals, ants, and soil compaction, as…Publication Date 1969
- Equus caballus
- grazing
- monitoring
- Nevada
- broad spatial scales
- disturbance
- feral horses
- Great Basin
- landscape ecology
- reciprocal averaging
- semiarid ecosystems
- TWINSPAN
- Library Collection RecordDepending on the scale of observation and on the factors that determine animal distribution, grazing patterns may be stronger or weaker than vegetation patterns, or may mirror the spatial structure…Publication Date 1969
- herbivory
- competition
- disturbance
- spatial dependence
- spatial heterogeneity