Rangeland Ecology & Management
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Displaying 1 - 50 of 248 results
- Library Collection RecordAn unlikely alliance of ranchers, Indigenous communities and environmentalists is trying to save the Owyhee Canyonlands.Publication Date Mar 30, 2021
- sagebrush
- Oregon
- Library Collection Record"A Working Ranch with an effective medusahead management program" follows the science-based management plan developed to treat an increasing infestation of medusahead, and other annual…Publication Date 2015
- invasive species
- grasses
- ranches
- ranching
- annuals
- Medusa Head
- Medusa-head
- medusahead
- Oregon
- Library Collection RecordKlamath Basin Rangeland Trust (KBRT) is a nonprofit organization that was founded in 2002 following the crises of the 2001 water shut-off and the 2002 fish kill downstream. Two founding ranchers came…Publication Date 2014
- water conservation
- nonprofit organizations
- Klamath Basin
- Oregon
- Library Collection RecordSince 6000 years ago, modern steppe vegetation has contracted in some regions (e.g. southeastern Idaho) but expanded into other regions (e.g. eastern Oregon). These changes from the mid-Holocene to…Publication Date 2014
- steppes
- communities
- sagebrush
- Idaho
- Oregon
- Library Collection RecordThe greater sage-grouse (Centrocercus urophasianus) is a candidate for listing as an endangered species. Proposed proactive policies and conservation measures to protect the species could potentially…Publication Date 2014
- range management
- Economics of production
- Idaho
- Nevada
- Oregon
- range economics
- Wyoming
- Library Collection RecordThe spatial distribution of species is mediated by a combination of biotic interactions and environmental conditions. Understanding the relative importance of these factors and how they interact is…Publication Date 2013
- Ammophila arenaria
- Ammophila breviligulata
- Coexistence
- ecosystem engineer
- Ecosystem service
- Elymus mollis
- invasion ecology
- Lotka-Volterra model
- positive interactions
- species interactions
- Alien invasive species
- ecosystem ecology
- Oregon
- Library Collection RecordTree invasions of grasslands are occurring globally, with profound consequences for ecosystem structure and function. We explore the spatio-temporal dynamics of tree invasion of a montane meadow in…Publication Date 2012
- biological legacies
- distribution ecology
- plant community ecology
- succession
- Oregon
- USA
- Library Collection RecordMost results of restoration efforts are species-specific and/or site-specific and therefore are not general enough to be easily applied to other species and other sites. Our research addresses the…Publication Date 2012
- British Columbia
- Bunchgrass prairies
- grasslands
- modelling
- Oregon
- Pacific Northwest
- predictive models
- prairies
- Washington
- Oregon
- Washington
- USA
- British Columbia
- Canada
- Library Collection RecordPhylogenetic diversity-area curves are analogous to species-area curves and quantify the relationship between the phylogenetic diversity of species assemblages and the area over which assemblages are…Publication Date 2012
- Anolis
- elevation
- environmental gradient
- island biogeography
- phylogenetic community structure
- phylogeny
- Random Placement
- Spatial scale
- species area relationship
- species richness
- species sorting
- Mt. Hood
- Oregon
- USA
- Library Collection RecordVegetation at the aquatic-terrestrial interface can alter landscape features through its growth and interactions with sediment and fluids. Even similar species may impart different effects due to…Publication Date 2012
- Ammophila arenaria
- Ammophila breviligulata
- ecomorphology
- ecosystem engineer
- Ecosystem service
- Elymus mollis
- foredune
- Geomorphology
- invasive species
- sediment deposition
- sediment transport
- wind tunnel
- Oregon
- USA
- Library Collection RecordManagement prescriptions for contemporary ponderosa pine (Pinus ponderosa Dougl.) forests often incorporate the restoration to a structure that more closely resembles pre-European contact forests.…Publication Date 2011-09-01
- ecological restoration
- Festuca idahoensis
- Oregon
- Pinus ponderosa
- thresholds
- understory-overstory interactions
- Library Collection RecordRangeland ecosystems provide critical habitat and services that not only support human civilization, but all the other plants and animals in these arid arid environments. As it is fragmented by urban…Publication Date 2011
- California
- fragmentation
- landscape fragmentation
- Oregon
- United States
- Library Collection RecordOn rangelands, uneven or unmanaged livestock distribution can adversely affect plant community composition, riparian function, or displace wildlife. These issues have historic precedents and are…Publication Date 2009
- range management
- grazing behaviour
- forage selection
- standing crop
- management
- grasslands
- plant production
- forage quality
- cattle
- grazing
- Burns
- Oregon
- USA
- Library Collection RecordUse of mechanical thinning and prescribed fire to reduce fuels in dry forest ecosystems has become increasingly common in western North America. Nevertheless, few studies have quantified effects of…Publication Date 2008-05-01
- Cervus elaphus
- in vitro dry-matter digestibility
- nitrogen
- nutrition
- Oregon
- percentage of cover
- prescribed fire
- Library Collection RecordLittle is known about the relative importance of environmental, biotic, historical, and spatial factors that influence invasive plant abundance, dominance, and distribution across landscapes. We…Publication Date 2007-05-01
- invasive plants
- noxious weeds
- Oregon
- Blue Mountains
- landscape ecology
- bunchgrass rangelands
- Library Collection RecordThe Rangelands archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact lbry-journals@email.arizona.edu for further information. Migrated from…Publication Date 2006-02-01
- Oregon
- economic development
- employment opportunities
- history
- cattle production
- American Indians
- Library Collection RecordWillow (Salix) communities are important components of riparian ecosystems. However, browsing by livestock and wildlife species can negatively impact willow size and abundance, and make restoration…Publication Date 2005-11-01
- cattle
- deer
- riparian management
- Salix
- herbivory
- Oregon
- Library Collection RecordWe evaluated the effectiveness of natural color aerial photography as a tool to improve detection, monitoring, and mapping of sulfur cinquefoil (Potentilla rectaL.) infestations. Sulfur cinquefoil is…Publication Date 2005-09-01
- remote sensing
- Potentilla recta
- image analysis
- invasive plants
- noxious weeds
- exotic species
- Oregon
- Library Collection RecordSquirreltail (Elymus elymoides, E. multisetus) is a complex of 5 taxa whose systematic interrelationships are uncertain. Our objectives were to determine whether the 3 taxa studied here, Elymus…Publication Date 2003-09-01
- Elymus elymoides subsp. brevifolius
- plant taxonomy
- growth traits
- Elymus multisetus
- Elymus elymoides subsp. elymoides
- population ecology
- provenance
- ecotypes
- plant development
- geographical variation
- leaves
- conservation plants
- height
- seedling emergence
- seed productivity
- shoots
- root systems
- Idaho
- Oregon
- Wyoming
- California
- biomass
- phenology
- Montana
- Nevada
- Colorado
- Elymus elymoides
- genetic variation
- plant nutecology
- Sitanion hystrix
- Library Collection RecordLivestock grazing in riparian areas is an important management issue on both private and public lands. A study was initiated in northeastern Oregon to evaluate the economic and ecological impacts of…Publication Date 2003-09-01
- cow-calf operations
- bioeconomic models
- input costs
- livestock prices
- public lands
- production costs
- riparian areas
- water supply
- feeding behavior
- Oregon
- precipitation
- spatial distribution
- range management
- grazing
- beef cattle
- Library Collection RecordTo quantify the effects of season of use on beef cattle distribution relative to the riparian area, 52 cow/calf pairs were used to evaluate 1) early summer grazing (mid-June to mid-July), and 2) late…Publication Date 2003-07-01
- water requirements
- late summer
- lactation
- early summer
- streams
- nutrient content
- highlands
- water intake
- riparian areas
- calves
- ambient temperature
- forage quality
- stocking rate
- beef cows
- Oregon
- summer
- spatial distribution
- range management
- seasonal variation
- botanical composition
- grazing
- beef cattle
- feeding preferences
- beef cattle
- distribution patterns
- riparian areas
- season of use
- vegetation utilization
- Library Collection RecordElk sedge (Carex geyeri Boott) is one of the most important livestock and big game forages in many areas of the western U.S. It is one of the most prominent forage species in the diets of cattle and…Publication Date 2003-01-01
- Physocarpus opulifolius
- date
- Festuca
- Carex geyeri
- Carex
- protein content
- Pinus ponderosa
- fiber content
- Pseudotsuga menziesii
- chemical composition
- Oregon
- crude protein
- plant communities
- phenology
- seasonal variation
- botanical composition
- nutritive value
- forage
- Carex geyeri
- cattle
- graminoids
- nutrition
- phenology
- season
- Library Collection RecordIn the northwest Great Basin, western juniper (Juniperus occidentalis subsp. occidentalis Hook.) is encroaching into aspen (Populus tremuloides Michx.) communities. There is a concern that aspen…Publication Date 2001-11-01
- ecological succession
- Populus tremuloides
- fire ecology
- Juniperus occidentalis
- invasion
- soil test values
- population structure
- prescribed burning
- Oregon
- plant communities
- browsing damage
- plant density
- plant litter
- plant competition
- canopy
- altitude
- Juniperus occidentalis subsp. occidentalis
- Populus tremuloides
- succession
- age structure
- disturbance
- Library Collection RecordAccelerated erosion of streambanks in grazed riparian pastures is of concern to land managers. We tested the hypothesis that providing cattle free-choice off-stream water and trace mineralized salt…Publication Date 2001-11-01
- riverbank protection
- soil stability
- riparian grasslands
- water erosion
- water availability
- animal behavior
- dietary mineral supplements
- Oregon
- grazing intensity
- beef cattle
- grazing
- greenline
- water quality
- livestock
- off-stream water
- Library Collection RecordLand, livestock, and wildlife managers need to understand the nutritional dynamics of forages to sustain adequate growth and reproduction of their animals and/or assure equitable payment for forages…Publication Date 2001-11-01
- Leymus cinereus
- Elymus elymoides
- rangeland soils
- Festuca idahoensis
- Pseudoroegneria spicata
- Poa secunda
- arid grasslands
- Achnatherum thurberianum
- nutrient content
- plant ecology
- fiber content
- Bromus tectorum
- Oregon
- crude protein
- precipitation
- grasses
- forage
- crude protein
- neutral detergent fiber
- in vitro organic matter disappearance
- Poa sandbergii
- Bromus tectorum
- Sitanion hystrix
- Agropyron spicatum
- Festuca idahoensis
- Stipa thurberiana
- Elymus cinereus
- Library Collection RecordThe Rangelands archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact lbry-journals@email.arizona.edu for further information. Migrated from…Publication Date 2001-10-01
- rangelands
- seed germination
- Oregon
- environmental factors
- seedlings
- growth rate
- Bromus japonicus
- Great Plains states of USA
- annual grasslands
- Bromus tectorum
- perennials
- Library Collection RecordWhile considerable attention has been given to the areal expansion of juniper (Juniperus sp.) in the western United States, the presence and ecological significance of old-growth juniper communities…Publication Date 2001-09-01
- eolian soils
- terrain
- tree age
- seral stages
- stand density
- disturbed soils
- stand structure
- soil depth
- ground cover
- understory
- climax communities
- stand characteristics
- sandy soils
- species diversity
- Juniperus occidentalis
- slope
- aspect
- Oregon
- plant communities
- plant litter
- botanical composition
- canopy
- soil texture
- altitude
- Juniperus occidentalis
- structures
- pinyon-juniper
- Library Collection RecordThe Rangelands archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact lbry-journals@email.arizona.edu for further information. Migrated from…Publication Date 2001-04-01
- water
- tanks
- riparian buffers
- streams
- Oregon
- environmental protection
- grazing
- Library Collection RecordConditioned food aversions are a potentially useful tool to eliminate consumption of some toxic plants by livestock. This study examined consumption of pine needles (Pinus ponderosa Lawson) in South…Publication Date 2000-11-01
- group behavior
- lithium chloride
- social facilitation
- pregnancy
- avoidance conditioning
- conifer needles
- Pinus ponderosa
- South Dakota
- beef cows
- Oregon
- Utah
- feed intake
- diet selection
- cattle diets
- abortion
- Pinus ponderosa
- Library Collection RecordWestern juniper (Juniperus occidentalis Hook.) has been actively invading shrub steppe communities during the past 120 years. The majority of these stands are still in transition, from early open…Publication Date 2000-11-01
- artemisia arbuscula
- fir interval
- Festuca idahoensis
- Poa secunda
- Achnatherum thurberianum
- understory
- steppes
- species diversity
- ecological succession
- Populus tremuloides
- Juniperus occidentalis
- fires
- fire effects
- Oregon
- Artemisia tridentata
- plant communities
- California
- plant density
- plant competition
- canopy
- Juniperus occidentalis
- species composition
- plant cover
- Library Collection RecordField studies were undertaken to evaluate hoary cress (Cardaria draba (L.) Desv.) reproduction and spread in a sagebrush ecosystem. Hoary cress germination, emergence, and survival were restricted to…Publication Date 2000-09-01
- Lepidium draba subsp. draba
- vegetative propagation
- seedling emergence
- rain
- Oregon
- growth rate
- Artemisia tridentata
- plant density
- seed germination
- introduced species
- noxious weeds
- Cardaria draba (L.) Desv.
- rangeland weeds
- Library Collection RecordWe evaluated reproduction and recruitment of the Columbia spotted frog (Rana luteiventris Thompson) in 70 ponds used by beef cattle and in 57 ponds not used by beef cattle in northeastern Oregon. No…Publication Date 2000-05-01
- aquatic plants
- surface area
- Rana
- algae and seaweeds
- dissolved oxygen
- rana luteiventris
- fish
- ponds
- recruitment
- depth
- habitats
- ova
- Oregon
- cattle
- grazing
- altitude
- livestock grazing
- northeastern Oregon
- Rana luteiventris Thompson
- Library Collection RecordExpansion of western juniper (Juniperus occidentalis spp. occidentalis Hook.) woodlands in the sagebrush steppe has the potential to change composition, structure, and productivity of understory…Publication Date 2000-01-01
- logging effects
- soil water potential
- ground cover
- understory
- Poa pratensis
- species diversity
- Juniperus occidentalis
- forbs
- Oregon
- nitrogen content
- plant density
- biomass
- grasses
- soil water
- Library Collection RecordCarefully-managed livestock grazing has been offered as a tool to improve the forage quality of graminoids on big game winter range. Formal testing of this theory has thus far been done using hand…Publication Date 2000-01-01
- Festuca idahoensis
- Pseudoroegneria spicata
- Carex geyeri
- stems
- Carex
- savannas
- Cervus elaphus
- rain
- stocking rate
- Oregon
- crude protein
- shrubs
- sheep
- in vitro digestibility
- biomass
- canopy
- grazing
- forage
- Library Collection RecordThe recent expansion of juniper into sagebrush steppe communities throughout the semiarid Intermountain West is most frequently attributed to the reduced role of fire, introduction and overstocking…Publication Date 1999-11-01
- dendrochronology
- growth rings
- artemisia arbuscula
- Festuca idahoensis
- Pinus ponderosa
- fire ecology
- Juniperus occidentalis
- rain
- stocking rate
- Oregon
- grazing intensity
- semiarid zones
- grasses
- Library Collection RecordWe determined rates of western juniper (Juniperus occidentalis spp. occidentalis Hook.) density and cover change during the period 1951 to 1994 at 3 adjacent sites with nearly identical elevation,…Publication Date 1999-09-01
- population growth
- aerial photography
- grassland condition
- ground cover
- land use
- seed productivity
- ecological succession
- Juniperus occidentalis
- fires
- fire effects
- leaf area index
- Oregon
- Artemisia tridentata
- plant density
- plant competition
- grazing
- Library Collection RecordThe Rangelands archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact lbry-journals@email.arizona.edu for further information. Migrated from…Publication Date 1999-04-01
- regional planning
- resource conservation
- watershed management
- game animals
- Oregon
- environmental protection
- prescribed burning
- range management
- Library Collection RecordThe Rangelands archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact lbry-journals@email.arizona.edu for further information. Migrated from…Publication Date 1999-04-01
- continuous grazing
- Castor canadensis
- Oregon
- controlled grazing
- plant communities
- riparian grasslands
- Library Collection RecordIdaho fescue (Festuca idahoensis Elmer), a palatable native perennial bunchgrass, has persisted on degraded sagebrush-steppe despite invasion by alien plants, excessive livestock grazing, and…Publication Date 1999-03-01
- stress factors
- Bromus
- Festuca idahoensis
- disturbed soils
- competitive ability
- steppes
- rain
- seedlings
- Oregon
- plant communities
- seed germination
- temperature
- biomass
- botanical composition
- altitude
- Library Collection RecordAbstract not availablePublication Date 1999
- regional planning
- resource conservation
- watershed management
- Oregon
- environmental protection
- prescribed burning
- range management
- game animals
- Library Collection RecordThe objective of this research was to determine, on a seasonal basis, the relative preferences of cattle for 7 native grasses and d crested wheatgrass (Agropyron desertorum (Fischer ex Link)Schultes…Publication Date 1998-09-01
- vegetative growth
- flowering
- dormancy
- Agropyron desertorum
- fiber content
- selective grazing
- Oregon
- crude protein
- cattle
- plant density
- biomass
- phenology
- plant litter
- botanical composition
- grazing
- feeding preferences
- Library Collection RecordAlthough Thurber needlegrass (Stipa thurberiana Piper) is an important component of Palouse, sagebrush:steppe, and pine:forest rangelands, little is known of its qualitative and quantitative…Publication Date 1998-05-01
- harvest date
- Achnatherum thurberianum
- protein content
- fiber content
- regrowth
- Oregon
- biomass
- phenology
- seasonal variation
- nutritive value
- defoliation
- soil water
- Library Collection RecordMismanagement of livestock can result in herbivory on Pinus seedlings with potential for growth loss. From 1986 to 1990 on a conifer plantation in the Mixed-Conifer Zone of southwestern Oregon we…Publication Date 1998-03-01
- apical meristems
- timing
- Pinus ponderosa
- seedlings
- Oregon
- browsing damage
- cattle
- grazing
- plant height
- Library Collection RecordContinuous stream temperature data were collected from adjacent reaches of a third-order stream in eastern Oregon. The upstream reach was located within a non-irrigated meadow and the downstream…Publication Date 1998-01-01
- irrigation water
- water temperature
- groundwater flow
- streams
- irrigation
- Oregon
- Library Collection RecordAn enterprise budget for 500 cow/calf ranch in the northeastern Oregon mountain region. The document describes a representative ranch in terms of production, income, and expenses.Publication Date 1998
- enterprise budget
- agricultural economics
- Oregon
- Library Collection RecordThis material was digitized as part of a cooperative project between the Society for Range Management, the National Agricultural Library, and the University of Arizona Libraries. The Rangelands…Publication Date 1997-12-01
- heat transfer
- Oregon
- Library Collection RecordWe compared the forage preferences of steers grazing among 8 varieties of grasses at 2 stages of phenology on the Northern Great Basin Experimental Range near Burns, Ore. Varieties included: '…Publication Date 1997-11-01
- Leymus cinereus
- Elymus lanceolatus
- density
- moisture content
- interspecific hybridization
- Pseudoroegneria spicata
- biting rates
- Psathyrostachys juncea
- mineral content
- Agropyron desertorum
- palatability
- fiber content
- leaf area index
- chemical composition
- selective grazing
- Oregon
- steers
- crude protein
- in vitro digestibility
- biomass
- phenology
- grazing
- feeding preferences
- plant height
- maturity stage
- Library Collection RecordLupine-induced "crooked calf disease" occurred in a fall calving herd of cows in Northeastern Oregon. Sixty-seven calves from a herd of 131 cows (51%) were born with congenital skeletal…Publication Date 1997-11-01
- quinolizidine alkaloids
- gestation period
- fetal development
- case studies
- arthrogryposis
- skeletomuscular anomalies
- lupinus sculphureus
- lupinus leucophyllus
- anagyrine
- Lupinus
- teratogenesis
- calves
- beef cows
- Oregon
- phenology
- maturity stage
- Library Collection RecordThis material was digitized as part of a cooperative project between the Society for Range Management, the National Agricultural Library, and the University of Arizona Libraries. The Rangelands…Publication Date 1997-02-01
- riparian buffers
- Oregon
- Library Collection RecordThis publication synthesizes over 40 years of study by E. William (Bill) Anderson and his coworkers. Oregon is extremely fortunate that Bill Anderson was the Chief of Party for the initial range…Publication Date 1997
- Oregon