Rangeland Ecology & Management
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Displaying 101 - 150 of 329 results
- Library Collection RecordABSTRACT-The ferruginous pygmy-owl(Glaucidium brasilianum) has a wide geographic range centered on the Neotropics. At the northern edge of its distribution, the cactus ferruginous pygmy-owl (G . b.…Publication Date 2003
- Altar Valley
- Arizona
- Cactus Ferruginous Pygmy Owl
- historical range
- United States
- Library Collection RecordThis article gives a brief overview of the social, ecological and managerial concerns surrounding Jaguar conservation along the U.S./Mexico border.Publication Date 2003
- Altar Valley
- Arizona
- conservation
- Jaguar
- New Mexico
- United States
- Library Collection RecordThis article gives a brief overview of the ecology and management concerns surrounding Sonoran Pronghorn along the U.S./Mexico border.Publication Date 2003
- Altar Valley
- Arizona
- Buenos Aires National Wildlife Refuge
- conservation
- Sonoran Pronghorn
- United States
- Library Collection RecordA brief article, Czech gives an overview of the ecology and management concerns surrounding the masked bobwhite.Publication Date 2003
- Altar Valley
- Arizona
- Buenos Aires National Wildlife Refuge
- endangered species
- masked bobwhite quail
- United States
- Library Collection RecordA brief opinion piece, this article takes a closer look at the increasingly common policy debate surrounding the urban-rural interface, focusing particularly on the Sonoran Desert Conservation Plan…Publication Date 2003
- Altar Valley
- Arizona
- open space
- public policy
- ranching
- United States
- urban sprawl
- Library Collection RecordABSTRACT Multicultural demands on public lands in the United States continue to challenge federal land managers to address social and cultural concerns in their planning efforts. Specifically, they…Publication Date 2003
- Altar Valley
- American Indians
- Arizona
- Baboquivari Wilderness
- cultural landscapes
- ethnographic data
- landscape perceptions
- natural resource management
- public participation
- Southern Arizona
- United States
- Library Collection RecordABSTRACT Multicultural demands on public lands in the United States continue to challenge federal land managers to address social and cultural concerns in their planning efforts. Specifically, they…Publication Date 2003
- Altar Valley
- American Indians
- Arizona
- cultural landscapes
- ethnographic data
- public participation
- resource management
- United States
- Library Collection RecordWe know more about vegetation change on the Santa Rita Experimental Range since 1903 than is known about any other 20,000-ha area in the world. This record is only possible because important…Publication Date 2003
- mesquite
- Cacti
- Arizona
- burroweed
- perennial grasses
- Santa Rita Experimental Range
- Southwestern United States
- 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 2002-08-01
- range management
- rotational grazing
- Arizona
- drought
- fire effects
- fires
- grassland improvement
- monitoring
- overgrazing
- grazing trials
- arid grasslands
- Library Collection RecordThe Walker Basin Allotment grazing system in central Arizona is designed to allocate resource use under elk (Cervus elaphus L.) and cattle (Bos taurus L.) grazing. The grazing system was designed to…Publication Date 2002-07-01
- feeding habits
- stubble
- topography
- woodland grasslands
- rotational grazing
- Pascopyrum smithii
- Cervus elaphus canadensis
- wildlife management
- canopy
- grazing
- Arizona
- beef cattle
- plant height
- Arizona
- deferred grazing
- paired-plot
- rest rotation
- stubble height
- western wheatgrass
- Library Collection RecordThis article gives an overview of Arivaca history.Publication Date 2002
- Arivaca
- Arizona
- United States
- Library Collection RecordAbstract: Identifying habitat characteristics that influence selection of nest sites can provide information necessary for understanding and managing songbird populations. We quantified patterns of…Publication Date 2002
- Altar Valley
- Arizona
- bird communities
- habitat selection
- nest-site selection
- riparian vegetation
- songbirds
- United States
- Library Collection RecordAbstract We examined short-term trends in relative abundance and species richness of breeding and wintering grassland birds before (1996) and after (1997, 1998) a prescribed burn in a mesquite-…Publication Date 2002
- Altar Valley
- Arizona
- fire management
- grassland
- grassland birds
- United States
- Library Collection RecordAbstract Environmentalists, scientists, and land managers have long debated the role of ranching in landscape conservation with some contending that ranching represents the major threat to ecological…Publication Date 2002
- Altar Valley
- Arizona
- United States
- 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 2001-12-01
- depth
- riparian buffers
- habitats
- Arizona
- riparian grasslands
- rotational grazing
- rangelands
- range management
- Library Collection RecordIn recent times, pinyon (Pinus spp.)-juniper (Juniperus spp.) woodlands have expanded into large portions of the Southwest historically occupied by grassland vegetation. From 1997-1998, we studied…Publication Date 2001-05-01
- wild birds
- pinyon-juniper
- frequency
- grasslands
- species diversity
- ecological succession
- woodlands
- establishment
- botanical composition
- Pinus
- Juniperus
- Arizona
- Juniperus monosperma
- grasslands
- pinyon-juniper
- Arizona
- southwestern U.S.
- avian communities
- succession
- Library Collection RecordThe cover of native and non-native introduced plants was compared between seeded (reclaimed) ski runs and adjacent or nearby unseeded (control) areas at a managed ski area in northern Arizona to…Publication Date 2001-05-01
- sowing
- disturbed soils
- skiing
- topsoil
- soil degradation
- ground cover
- grasslands
- reclamation
- species diversity
- introduced species
- botanical composition
- Arizona
- disturbance
- reclamation
- ski runs
- non-native species
- richness
- 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 2001-02-01
- energy content
- seasons
- altitude
- phosphorus
- nutritive value
- crude protein
- comparisons
- grasses
- quality
- forage
- rain
- Arizona
- 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 2001-02-01
- plant communities
- Arizona
- treatment
- woody plants
- vegetation
- chaparral
- long term experiments
- Library Collection RecordAbstract: Despite the rapid urbanization of the Arizona-Sonora borderlands, cattle ranching continues to play a major, if increasingly contested, political, economic, and ecological role in the…Publication Date 2001
- Altar Valley
- Arizona
- Southern Arizona
- United States
- 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 2000-12-01
- quality
- dietary quality
- Pleuraphis jamesii
- forage
- Arizona
- grazing intensity
- Elytrigia elongata
- Achnatherum hymenoides
- grasses
- Atriplex canescens
- Library Collection RecordForage use data can help rangeland and wildlife managers make informed decisions. However, managers need to know if forage use techniques that are commonly used to estimate ungulate herbivory under…Publication Date 2000-09-01
- experimental plots
- height-weight curve methods
- paired-plot method
- growth curve
- regression analysis
- equations
- Cervus elaphus
- selective grazing
- Pascopyrum smithii
- biomass
- range management
- beef cattle
- forage
- plant height
- Arizona
- height-weight
- herbivory
- paired-plot
- stubble height
- Library Collection RecordFrequent and intense defoliation of grasses has been associated with the evolution of "grazing morphotypes" that exhibit a variety of vegetative traits correlated with improved grazing…Publication Date 2000-09-01
- apomixis
- selection pressure
- Bouteloua curtipendula
- inflorescences
- plant morphology
- seed productivity
- genetic effects
- grazing
- Arizona
- Bouteloua
- defoliation tolerance
- evolution
- grazing resistance
- Library Collection RecordThis paper reports on the results of a 3-year field study of the effects of spring/summer burning and cattle grazing on wintering sparrows in the grasslands of southeastern Arizona. The effects of…Publication Date 2000-07-01
- ammodramus bairdii
- ammodramus savannarum ammolegus
- aimophila cassinnii
- passerculus sandwichensis
- wild birds
- pooecetes gramineus
- prescribed burning
- grazing intensity
- wildlife management
- grazing
- Arizona
- beef cattle
- birds
- conservation
- bird-banding
- Library Collection RecordRobust needlegrass (Achnatherum robustum [Vasey] Barkw. = Stipa robusta [Vasey] Scribn.) is a high-biomass rangeland species that is adapted to warmer temperatures and matures later than most cool-…Publication Date 2000-07-01
- New Mexico
- Arizona
- Colorado
- beef cattle
- forage
- Stipa
- dry matter
- feed intake
- feeding preferences
- plant height
- zero grazing
- Elytrigia elongata
- Acremonium
- endophytes
- Leymus chinensis
- ergot alkaloids
- ergometrine
- fungi
- roadside plants
- green fodders
- lysergic acid amide
- Stipa robusta
- Achnatherum robustum
- Acremonium
- ergonovine
- lysergic acid amide
- narcosis
- Neotyphodium
- sleepygrass
- Stipa robusta
- Library Collection RecordWildlife water developments have been constructed and maintained throughout the arid western United States to benefit big game and upland gamebird populations. There is debate, however, over possible…Publication Date 2000-05-01
- drinkers
- birds of prey
- water resources
- game birds
- coyotes
- predator-prey relationships
- wildlife management
- Arizona
- carnivores
- desert ecology
- raptors
- predator-prey relationships
- ungulates
- wildlife 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 2000-04-01
- semiarid grasslands
- soil chemistry
- soil physical properties
- semi-desert scrub
- relict soils
- Arizona
- plant communities
- botanical composition
- 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 2000-02-01
- botanical composition
- Arizona
- riparian buffers
- Tamarix
- Tamarix ramosissima
- willows
- woody plants
- Library Collection RecordThis article reviews many of the sightings and reports of jaguars in Arizona and New Mexico in the past century.Publication Date 2000
- jaguars
- Arizona
- Library Collection RecordAbstract. Vegetation structure and floristic composition strongly influence the structure of bird communities. To assess the influence of vegetation and other environmental characteristics on…Publication Date 2000
- Altar Valley
- Arizona
- Bell's Vireos
- Buenos Aires National Wildlife Refuge
- habitat structure
- Molothrus ater
- nestng habitat
- United States
- Library Collection RecordAbstract: This paper reports on the results of a 3-year field study of the effects of spring/summer burning and cattle grazing on wintering sparrows in the grasslands of southeastern Arizona. The…Publication Date 2000
- Altar Valley
- Arizona
- Avian conservation
- Buenos Aires National Wildlife Refuge
- desert grasslands
- grazing
- United States
- 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 1999-12-01
- liveweight gain
- mortality
- lambing rate
- lambs
- fleece weight
- biomass production
- weaning weight
- income
- range condition
- forage
- rain
- Arizona
- Utah
- sheep
- stocking rate
- grazing intensity
- costs and returns
- cattle
- New Mexico
- botanical composition
- rangelands
- range management
- Library Collection RecordBurning of vegetation generally increases surface runoff and erosion and potentially can change the nutrient dynamics of an ecosystem with loss of nutrients. Nitrogen, phosphorus, and potassium…Publication Date 1999-11-01
- nitrogen
- runoff
- prescribed burning
- sandy loam soils
- potassium
- rainfall simulators
- gravelly soils
- phosphorus
- biomass
- losses from soil
- range management
- plant litter
- Arizona
- Library Collection RecordPrey selection by mountain lions (Puma concolor) in the Aravaipa-Klondyke area in southeastern Arizona was studied from February 1991 to September 1993. Overall diet as determined from frequency of…Publication Date 1999-05-01
- Puma concolor
- prey
- tayassu tajacu
- montane forests
- predator-prey relationships
- predation
- predator control
- semiarid grasslands
- population density
- calves
- diet
- Odocoileus
- seasonal variation
- Arizona
- Library Collection RecordIn this article, Sayre gives a history of the cattle boom in Southern Arizona, examining its political and environmental impacts.Publication Date 1999
- Altar Valley
- Arizona
- cattle
- environmental impacts
- political ecology
- ranching
- Southern Arizona
- United States
- Library Collection RecordAn understanding of overstory-understory relationships in southwestern oak woodlands is important for predicting response of these systems to disturbance or manipulation. The objective of this study…Publication Date 1998-11-01
- Quercus emoryi
- Magnoliopsida
- C4 grasses
- C3 grasses
- understory
- woodland grasslands
- rain
- Poaceae
- biomass
- canopy
- grasses
- Arizona
- 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 1998-08-01
- botanical composition
- Arizona
- rain
- Library Collection RecordAbstract We determined which vegetal features influenced the distribution and abundance of grassland birds at the Buenos Aires National Wildlife Refuge, Arizona. The density and distribution of…Publication Date 1998
- Altar Valley
- arid grassland
- Arizona
- grassland birds
- mesquite
- United States
- woody invasion
- Library Collection RecordWe studied the diets of desert mule deer (Odocoileus hemionus crooki Mearns) at 3 sites in Arizona and collated this information with that of previous diet studies of desert mule deer across their…Publication Date 1997-09-01
- odocoileus hemionus crooki
- xerophytes
- browse plants
- diet
- Odocoileus hemionus
- seasonal variation
- botanical composition
- Arizona
- 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 1996-10-01
- zero grazing
- Arizona
- plant communities
- Library Collection RecordThe objectives of this study were to identify a Site Conservation Threshold, the point at which accelerated erosion occurs, and to examine the usefulness of the Water Erosion Prediction Project (WEPP…Publication Date 1996-05-01
- water erosion
- rill erosion
- ground cover
- semiarid grasslands
- highlands
- mathematical models
- loam soils
- clay soils
- range condition
- rain
- biomass
- sediment yield
- range management
- plant litter
- Arizona
- 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 1996-04-01
- grazing
- range management
- rangelands
- Arizona
- public domain
- laws and regulations
- leasing
- Library Collection RecordAbstract not availablePublication Date 1996
- grazing
- range management
- rangelands
- Arizona
- laws and regulations
- leasing
- public domain
- 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 1995-12-01
- open days
- surveys
- agricultural education
- Arizona
- cattle
- ranching
- 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 1995-06-01
- range management
- rangelands
- sustainability
- plant communities
- Arizona
- soil erosion
- Oklahoma
- soil conservation
- 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 1994-12-01
- patch cutting
- fuelwood
- pinyon-juniper
- forage
- Arizona
- New Mexico
- wildlife management
- 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 1994-10-01
- wildlife management
- botanical composition
- canopy
- grazing intensity
- Utah
- Arizona
- arid zones
- vegetation
- tortoises
- 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 1994-10-01
- botanical composition
- grasslands
- literature reviews
- Arizona
- xerophytes
- chaparral
- shrublands
- plant competition
- Library Collection RecordLehmann lovegrass (Eragrostis lehmanniana Nees), an introduced warm season grass, has invaded grasslands in southern Arizona, in many areas replacing the native warm-season grasses. A water balance…Publication Date 1994-09-01
- water binding capacity
- water content
- water balance
- evapotranspiration
- rain
- biomass
- Eragrostis lehmanniana
- introduced species
- Arizona
- soil water
- 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 1994-08-01
- Arizona
- grasslands
- canopy
- botanical composition
- range management
- fire effects
- fires
- highlands
- Prosopis
- fire resistance
- upland soils
- soil erosion
- Quercus