Rangeland Ecology & Management
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- Library Collection RecordThe abundance of woody plants on grasslands and savannas often is controlled by the availability of water and its location in soil. Water availability to plants is limited by precipitation, but the…Publication Date 1997-05-01
- prediction
- plant ecology
- water availability
- soil water balance
- carbon dioxide
- atmosphere
- greenhouse effect
- stomata
- C4 grasses
- rain
- transpiration
- shrubs
- rangelands
- literature reviews
- grasses
- plant height
- Library Collection RecordResults from 6 years of seeding trials in the Chihuahuan Desert indicated that establishment of introduced and native grass species responded directly to soil moisture at the 1.22 cm (0.5 in) depth,…Publication Date 1997-03-01
- forage production
- net present value
- valuation
- microclimate
- sowing
- seedbed preparation
- risk
- soil temperature
- economic analysis
- production costs
- arid lands
- stand establishment
- crop production
- Bouteloua gracilis
- Texas
- range management
- Eragrostis lehmanniana
- introduced species
- rangelands
- soil water
- Library Collection RecordPrivate rangeland lease rates have been used historically as an indication of the price of public grazing lease rates. The ability of these prices to adequately reflect short-term fluctuations in the…Publication Date 1997-03-01
- leasing
- price policy
- forage value index
- grazing tenancy
- prices
- production costs
- indexes
- regression analysis
- hay
- rangelands
- beef cattle
- Library Collection RecordThe objective of this study was to determine how rangeland hydrology of oak, juniper, bunchgrass and shortgrass vegetation types is altered by fire. The research was conducted at the Sonora…Publication Date 1997-03-01
- bunchgrass
- shortgrasses
- Aristida
- soil aggregates
- Juniperus ashei
- soil organic matter
- water yield
- Quercus virginiana
- woodland grasslands
- runoff
- prescribed burning
- sheep
- goats
- Texas
- sediment yield
- plant litter
- rangelands
- grazing
- infiltration
- grasses
- bulk density
- Library Collection RecordActinorhizal plants are a diverse group of trees and shrubs that have the ability to form a dinitrogen-fixing symbiosis with Frankia bacteria. Actinorhizal plants are found throughout the world and…Publication Date 1997-01-01
- nitrogen fixation
- nodulation
- Frankia
- root nodules
- nitrogen fixing trees
- leaves
- mycorrhizal fungi
- symbiosis
- stems
- lignin
- Western United States
- browse plants
- ecological succession
- fiber content
- crude protein
- shrubs
- in vitro digestibility
- rangelands
- literature reviews
- Library Collection RecordActinorhizal plants are a diverse group of trees and shrubs that have the ability to form a dinitrogen-fixing symbiosis with Frankia bacteria. Actinorhizal plants are found throughout the world and…Publication Date 1997-01-01
- nitrogen fixation
- nodulation
- Frankia
- root nodules
- nitrogen fixing trees
- leaves
- mycorrhizal fungi
- symbiosis
- stems
- lignin
- Western United States
- browse plants
- ecological succession
- fiber content
- crude protein
- shrubs
- in vitro digestibility
- rangelands
- literature reviews
- Library Collection RecordThis paper sets out that the dynamics of the Sahelian rangeland vegetation can be interpreted as a cusp catastrophe and that this interpretation offers a promising basis for the description and…Publication Date 1996-11-01
- Sahel
- ecological balance
- annuals
- semiarid grasslands
- mathematical models
- perennials
- rain
- grazing intensity
- plant communities
- rangelands
- forage
- Library Collection RecordThree annual applications of a factorial combination of N (0, 40, 80, 120 kg ha-1), P (0, 25 kg ha-1) and K (0, 100 kg ha-1) were applied to Florida flatwoods range where 45 plant species were…Publication Date 1996-11-01
- potassium fertilizers
- panicum oligosanthes
- Solidago
- Eupatorium
- solidage fistulosa
- euthamia minor
- stand density
- phosphorus fertilizers
- Schizachyrium scoparium
- species diversity
- ecological succession
- rain
- nitrogen fertilizers
- Florida
- forbs
- plant communities
- application rates
- biomass
- rangelands
- Library Collection RecordThe effects of reducing sheep grazing on upland vegetation and wild herbivores was studied at 11 sites in the Scottish Highlands. Areas where sheep had been removed for periods of up to 25 years were…Publication Date 1996-07-01
- Scotland
- sward
- voles
- sheep manure
- ecological succession
- Cervus elaphus
- stocking rate
- prescribed burning
- plant communities
- sheep
- botanical composition
- rangelands
- canopy
- grazing
- plant height
- Library Collection RecordFourteen treatments of nitrogen (N) and phosphorus (P) fertilizers were applied in an overgrazed eight rangeland in northern Mexico, during 1990 and 1991. Eight treatments were applied using ammonium…Publication Date 1996-07-01
- ammonium nitrate
- urea
- phosphorus fertilizers
- cost-benefit analysis
- protein content
- Mexico
- ammonium sulfate
- yields
- rain
- water-use efficiency
- digestibility
- crude protein
- application rates
- rangelands
- forage
- Library Collection RecordThere is a dearth of knowledge on the selection and utilization of Columbia milkvetch (Astragalus miser Dougl. ex Hook. var. serotinus) by grazing livestock on rangelands in British Columbia. Four…Publication Date 1996-05-01
- Astragalus miser
- miserotoxin
- poisoning
- British Columbia
- highlands
- woodland grasslands
- grasslands
- calves
- Pinus contorta
- palatability
- fiber content
- rain
- selective grazing
- forbs
- beef cows
- crude protein
- rangelands
- grasses
- Library Collection RecordSustaining rangeland ecosystems is as much a social process as an ecological one. It requires application of many of the same principles as those used in planning for wildlife reserves, but the…Publication Date 1996-03-01
- zoning
- dairy farming
- open spaces
- conservation easements
- conservation
- ranching
- sustainability
- California
- rangelands
- Library Collection RecordRepeat photography is a valuable tool for demonstrating the effects over time of climate, management and other variables on range and forest lands. This bibliography lists 175 publications using…Publication Date 1996-01-01
- bibliographies
- photography
- forests
- Western United States
- vegetation types
- ecological succession
- rangelands
- Library Collection RecordSuccessful managers of federal rangelands in the next century will have to implement politically supportable policies that address both forage and non-forage values. To do so will require an…Publication Date 1996-01-01
- public opinion
- public domain
- surveys
- multiple land use
- Oregon
- wildlife management
- range management
- rangelands
- United States
- Library Collection RecordIn much of the west, seasonal rangeland provides important foraging opportunities for wild and domestic ungulates during times when forage is often limited. We studied the use of foraging areas by…Publication Date 1996-01-01
- terrain
- Cervus elaphus
- Oregon
- plant communities
- Odocoileus hemionus
- botanical composition
- rangelands
- beef cattle
- altitude
- Library Collection RecordChanges in the vegetation and soil surface were assessed along a grazing intensity gradient on rangelands of the Punta Ninfas area in southern Argentina. Thirty-two transects were sampled in areas…Publication Date 1995-11-01
- woody weeds
- indicator species
- soil types
- steppes
- grazing intensity
- shrubs
- sheep
- overgrazing
- biomass
- Argentina
- botanical composition
- rangelands
- canopy
- grasses
- forage
- Library Collection RecordEstablishment of blue grama (Bouteloua gracilis [H.B.K.] Lag ex. Steud.) depends on adequate precipitation at critical times and on reduced competition from associated vegetation. These conditions…Publication Date 1995-11-01
- clones
- basal area
- vegetative propagation
- seedlings
- Bouteloua gracilis
- Wyoming
- biomass
- rangelands
- chemical constituents of plants
- Library Collection RecordThe USDA-Water Erosion Prediction Project (WEPP) is a new technology based on the fundamentals of hydrology, soil physics, plant science, hydraulics, and erosion mechanics. WEPP hydrology includes…Publication Date 1995-11-01
- green and ampt equation
- soil physics
- water erosion
- Prosopis glandulosa
- mathematical models
- ground vegetation
- prediction
- computer simulation
- watershed hydrology
- runoff
- soil water content
- Texas
- rangelands
- canopy
- Library Collection RecordAbility to compete with alien weeds may be one factor enabling high-seral, native bunchgrasses to persist on degraded rangelands. This study examined the effect of competition from cheatgrass (Bromus…Publication Date 1995-09-01
- strain differences
- selection responses
- ecotypes
- Festuca idahoensis
- shoots
- Bromus tectorum
- pastures
- weight
- Oregon
- tillers
- biomass production
- plant competition
- rangelands
- plant height
- Library Collection RecordRange condition score or classification does not tell us, in a general sense, much of what managers and the public want to know about rangelands. Range condition is not a reliable indicator, across…Publication Date 1995-05-01
- rangeland soils
- terminology
- soil erosion
- ecological succession
- sustainability
- rangelands
- Library Collection RecordThis paper analyzes the rangeland condition concept, and discusses how the search for a general concept has been part of the larger search for the identity of range science. It distinguishes between…Publication Date 1995-03-01
- systems analysis
- systems approach
- range management
- rangelands
- Library Collection RecordPastoralists in the Sahel of northern Africa are entirely dependent on their livestock, which graze on the annual vegetation produced during a relatively short summer rainfall season. The satellite-…Publication Date 1995-03-01
- satellite surveys
- assessment
- Sahel
- Niger
- pastoralism
- carrying capacity
- ground vegetation
- satellite imagery
- stocking rate
- biomass production
- rangelands
- Library Collection RecordUnderstanding hydrologic processes is essential to determine if water yield augmentation is possible through vegetation manipulation. Nine large non-weighing lysimeters, each 35 m2, were installed on…Publication Date 1995-01-01
- water yield
- water balance
- evapotranspiration
- Prosopis glandulosa var. glandulosa
- rain
- runoff
- Texas
- drought
- rangelands
- grasses
- soil water
- Library Collection RecordAnnual grasslands in the Pacific Northwest are being invaded by Eurasian weeds, such as yellow starthistle (Centaurea solstitialis L.). Plant-plant interactions influence community dynamics and plant…Publication Date 1994-11-01
- plant weight
- root length
- intraspecific competition
- interspecific competition
- Centaurea solstitialis
- seedlings
- Bromus tectorum
- length
- weight
- introduced species
- plant competition
- rangelands
- Library Collection RecordA 2 year study in south central North Dakota determined the responses of (1) litter and root decomposition and nitrogen (N) release, and (2) soil N mineralization to grazing intensity. The treatments…Publication Date 1994-11-01
- nitrogen retention
- degradation
- rangeland soils
- biogeochemical cycles
- grazing experiments
- grazing intensity
- plant litter
- rangelands
- grasses
- North Dakota
- Library Collection RecordUsing survey data collected as part of a comprehensive reevaluation of the Vale Rangeland Rehabilitation Project in eastern Oregon, this exploratory study examined variation in attitudes of Bureau of…Publication Date 1994-09-01
- environmental assessment
- attitudes and opinions
- human resources
- surveys
- soil erosion
- riparian buffers
- Oregon
- water quality
- rangelands
- grazing
- Library Collection RecordMicrowave radar is a potentially useful tool for monitoring the condition of the rangeland. A study was conducted in a mixed prairie community at the Agriculture Canada Research Substation at Onefour…Publication Date 1994-09-01
- radar
- radar backscatter
- oversowing
- aerial photography
- Psathyrostachys juncea
- remote sensing
- Agropyron cristatum
- Alberta
- land restoration
- range management
- botanical composition
- rangelands
- canopy
- grazing
- Library Collection RecordThis research determined the preliminary response of sandhills prairie to spring and summer prescribed burns, and their interaction with bison (Bison bison) grazing. Changes in species composition…Publication Date 1994-09-01
- bison
- fire ecology
- fires
- fire effects
- Nebraska
- prescribed burning
- prairies
- rangelands
- grazing
- Library Collection RecordBased on a 1990 mail survey of Texas beef cattle producers owning and/or operating rangeland, 54% are older than 56 years, but nearly 95% had completed a high school education. Seventy-five percent…Publication Date 1994-09-01
- farmers
- grazing tenancy
- non-farm income
- regional surveys
- farmers' income
- brush control
- vegetation types
- weed control
- beef production
- Texas
- rangelands
- Library Collection RecordA defoliation study was conducted on a fair condition, clayey range site that is potentially dominated by northern wheatgrass (Agropyron dasystachyum (Hook.) Scribn.) in south-central Saskatchewan.…Publication Date 1994-07-01
- Elymus lanceolatus
- leaves
- roots
- Saskatchewan
- biomass production
- rangelands
- defoliation
- Library Collection RecordA comparison of the response of varying classes of growing beef cattle to protein supplementation was conducted on Northern Great Plains rangeland during the summer and early fall. Response was…Publication Date 1994-07-01
- protein concentrates
- dietary protein
- body weight
- steers
- digestibility
- feed supplements
- Montana
- rangelands
- beef cattle
- feed intake
- Library Collection RecordThe slow and uncertain rate of recovery of plant communities after severe disturbance is a major problem on rangelands. Earlier studies sketched the outline of secondary succession on mixed-grass…Publication Date 1994-05-01
- species diversity
- ecological succession
- yields
- rain
- Bouteloua gracilis
- Wyoming
- botanical composition
- rangelands
- grazing
- grasses
- Library Collection RecordCompetitive bidding is an acceptable way to determine an efficient price to both buyer and seller. The quasi-competitive bid structure used to price federal forage and lessor-provided services on the…Publication Date 1994-03-01
- rent
- valuation
- production costs
- rangelands
- grazing
- New Mexico
- forage
- Library Collection RecordLimited research has been directed towards characterizing the phenotypic and genotypic variability of different traits in North American plant species. This study was conducted to estimate the degree…Publication Date 1994-01-01
- genetic variance
- agronomic traits
- heritability
- Agropyron
- plant morphology
- South Dakota
- rangelands
- North Dakota
- Library Collection RecordWiregrass (Aristida stricta Michx.)-dominated communities characterize extensive areas of South Florida that have been subjected to burning and uncontrolled grazing for decades. We evaluated the…Publication Date 1994-01-01
- Aristida stricta
- panicum oligosanthes
- burning
- Florida
- range management
- seasonal variation
- botanical composition
- rangelands
- grazing
- forage
- Library Collection RecordConcern for nonpoint source pollution from rangelands has increased the need to monitor and predict amounts of soil erosion that may enter streams from adjacent rangelands. This study was undertaken…Publication Date 1994-01-01
- soil physical properties
- sediments
- soil erosion
- Universal Soil Loss Equation
- Revised Universal Soil Loss Equation
- water quality
- rangelands
- Library Collection RecordEfficient sampling of standing crop is necessary to avoid unreasonable lays of time in the field. The objective of this study was to determine efficiency of different size and shape quadrats for…Publication Date 1994-01-01
- bouteloua hirsuta
- clipping
- variance
- Schizachyrium scoparium
- Calamovilfa longifolia
- Andropogon hallii
- Nebraska
- sampling
- rangelands
- Library Collection RecordA Stipa-bouteloua community, cultivated in the autumn of 1928 and abandoned in the spring of 1932, reverted to a community dominated by needle-and-thread (Stipa comata Trin. and Rupr.). An exclosure…Publication Date 1994-01-01
- abandoned land
- soil organic matter
- Hesperostipa comata
- soil properties
- Alberta
- Bouteloua gracilis
- prairies
- range management
- botanical composition
- rangelands
- Library Collection RecordRangelands with histories of overgrazing are frequently depauperate of native grasses. Occasionally, remnant native grasses are found surviving in these areas. We hypothesized that these survivors…Publication Date 1994-01-01
- patterns
- Festuca idahoensis
- adaptation
- growth
- Oregon
- range management
- rangelands
- defoliation
- grazing
- Library Collection RecordThis study was conducted on Chihuahuan desert range near Las Cruces, in southcentral New Mexico, to determine the relationship of blacktailed jackrabbit (Lepus californicus) densities to good (GC)…Publication Date 1993-11-01
- Lepus californicus
- botanical composition
- rangelands
- New Mexico
- Library Collection RecordEconomic injury levels (EILs)—the minimum density of insects that would be required to warrant treatment—were estimated for the 4 most common insecticides sprayed on grasshoppers in Alberta. The…Publication Date 1993-09-01
- insecticides
- cost-benefit analysis
- Alberta
- range management
- rangelands
- insect pests
- Library Collection RecordRangeland ecologists have elucidated 2 apparently distinct processes underlying rangeland dynamics. In some cases, disturbed or recovering rangelands move through a gradual, continuous series of…Publication Date 1993-07-01
- landscape ecology
- mathematical models
- ecological succession
- rangelands
- Library Collection RecordIn a 4-year field study, 25 perennial triticeae grasses, representing a wide range of genomes and genome combinations, were evaluated as potential hosts for the bluegrass billbug (Sphenophorus…Publication Date 1993-05-01
- Sphenophorus parvulus
- host preferences
- screening
- Pascopyrum
- Pseudoroegneria
- crop damage
- pest resistance
- Elymus
- Leymus
- Psathyrostachys
- Elytrigia
- genome
- Agropyron
- genetic variation
- perennials
- mortality
- species differences
- Poaceae
- rangelands
- pasture plants
- grasses
- feeding preferences
- Library Collection RecordThe effects of 3 brush cover proportions (Low Brush pasture: 52% brush/32% herbage, Medium Brush pasture: 62% brush/20% herbage, and High Brush pasture: 66% brush/12% herbage) on dietary selection of…Publication Date 1993-05-01
- Quercus coccifera
- availability
- Greece
- pastures
- shrubs
- diets
- goats
- seasonal variation
- botanical composition
- rangelands
- grazing
- forage
- Library Collection RecordRecent concerns about range condition measures are not the first concerns about measuring the health of rangelands. To examine why change has not occurred in this area, this paper explores the…Publication Date 1993-03-01
- theory
- climax communities
- plant ecology
- ecological succession
- botanical composition
- rangelands
- Library Collection RecordIn 1974 we selected 8 pairs of gully headcuts on the Santa Rita Experimental Range. Mesquite (Prosopis velutina Woot.) on the watershed of 1 headcut of each pair was killed with diesel oil. Densities…Publication Date 1993-03-01
- Prosopis velutina
- semiarid grasslands
- watersheds
- soil erosion
- brush control
- vegetation management
- rain
- runoff
- plant density
- losses from soil
- rangelands
- grasses
- Arizona
- Library Collection RecordThe importance of evaluating multiple resource values on rangelands is demonstrated in this study of California's 3.0 million hectares of oak-covered (Quercus spp.) hardwood rangelands.…Publication Date 1993-03-01
- hardwoods
- livestock enterprises
- econometric models
- multiple use
- economic analysis
- hunting
- fuelwood
- Quercus douglasii
- productivity
- California
- range management
- rangelands
- Library Collection RecordGreen herbaceous phytomass was measured in August 1987 in grassland and sagebrush-grassland communities of Yellowstone National Park and related to August 1987 Landsat MSS data. A linear model using…Publication Date 1993-03-01
- satellite surveys
- availability
- Landsat
- national parks
- satellite imagery
- vegetation
- Wyoming
- biomass
- rangelands
- forage
- Library Collection RecordManagers and range scientists are interested in the response of such variables as forage production and animal performance to various environmental and management factors. Due to the inability to…Publication Date 1993-03-01
- data analysis
- simulation models
- mathematical models
- decision making
- range management
- rangelands
- forage
- Library Collection RecordMethodology for assessing trend in range condition is still evolving. This paper demonstrates use of Dice's community similarity coefficient, 2a/(2a + b + c), with communities present at 3 times…Publication Date 1993-03-01
- assessment
- data analysis
- mathematical models
- plant ecology
- trends
- plant communities
- rangelands