Rangeland Ecology & Management
Get reliable science
Toggle Search
Result Type
Collection
Keywords
Document Type
Displaying 201 - 250 of 1587 results
- Library Collection RecordMontezuma quail (Cyrtonyx montezumae Vigors) are closely associated with oak woodlands (Quercus spp.). Livestock grazing and cover availability are considered important factors affecting Montezuma…Publication Date 2004-09-01
- Arizona
- Cyrtonyx montezumae
- grazing
- habitat selection
- livestock
- Madrean evergreen woodland
- Montezuma quail
- Library Collection Record
202 Rangeland Health
This NRCS bulletin discusses ways to measure rangeland health and the need to develop indicators based on sound science, yet understandable to the public.- management
- standards
- invasive species
- soil aggregates
- bare ground
- Natural Resources Conservation Service
- NRCS
- rangeland health
- United States
- Library Collection RecordThis study identifies the characteristics and attitudes of public land ranchers. Data from a random survey of 2,000 U.S. Forest Service and Bureau of Land Management grazing permittees (53.5%…Publication Date 2002-01-01
- socioeconomic status
- cultural values
- intensification
- ranges
- farm income
- grazing tenancy
- livestock numbers
- management
- farm size
- public domain
- ranching
- farmers' attitudes
- Western United States
- demography
- grazing intensity
- sheep
- beef cattle
- grazing fees
- grazing reduction
- grazing season
- public land property
- Library Collection RecordPoisonous plants that impair normal reproductive functions in livestock include Veratrum californicum Durand, lupines, ponderosa pine (Pinus ponderosa Dougl.), broom snakeweed (Gutierrezia sarothrae…Publication Date 2002-05-01
- teratogens
- abortion
- mechanism of action
- Oxytropis
- Astragalus
- alkaloids
- Lupinus
- controlled grazing
- Pinus ponderosa
- reproductive performance
- species differences
- cattle
- range management
- literature reviews
- poisonous plants
- poisonous plants
- lupine
- locoweed
- ponderosa pine
- reproduction
- management
- 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 RecordOutlines a number of the issues raised with regards to the Sonoran Desert Conservation Plan.
- endangered species
- urban development
- Arizona
- conservation
- Southern Arizona
- Tucson
- Library Collection RecordCovers the decisions of the Board of Supervisors with regards to urban development into desert grasslands.Publication Date 2000
- urban development
- urban planning
- Arizona
- desert grasslands
- Southern Arizona
- Sprawl
- Tucson
- Library Collection RecordCriticisms against the Sonoran Desert Conservation Plan.
- land conservation
- urban planning
- endangered species
- Arizona
- Sonoran Desert
- Southern Arizona
- Tucson
- Library Collection RecordA 2-year field experiment was undertaken to quantify the interacting effects of a late-spring prescribed burn and summer rainfall on seasonal runoff and erosion in a southern Arizona grassland. Six…Publication Date 2003-01-01
- Lycurus
- perennial bunchgrasses
- soil water movement
- Muhlenbergia
- soil density
- Eragrostis
- Bouteloua
- water erosion
- semiarid grasslands
- rain
- runoff
- prescribed burning
- rainfall simulators
- plant communities
- sediment yield
- grasses
- bulk density
- Arizona
- Arizona
- sediment yield
- summer rainfall
- Library Collection RecordDetails of Sonoran Desert Conservation Plan's focus areas.Publication Date 2000
- Altar Valley
- Arizona
- Pima County
- Sonoran Desert
- Tucson
- Library Collection RecordPeriodic summer rainstorms in some semi-arid regions result in variable soil moisture and differential establishment of seeded species. A 2-year study investigated soil water effects on germination…Publication Date 2003-01-01
- Muhlenbergia porteri
- Bothriochloa barbinodis
- drying front
- choice of species
- Leptochloa dubia
- Eragrostis intermedia
- Leptochloa
- revegetation plants
- Digitaria californica
- adventitious roots
- recruitment
- Bouteloua curtipendula
- Eragrostis
- semiarid grasslands
- seedling emergence
- drought tolerance
- rain
- species differences
- soil water content
- summer
- seed germination
- Eragrostis lehmanniana
- Arizona
- warm season
- desert grasslands
- rangeland revegetation
- drought tolerance
- Bouteloua curtipendula
- Bothriochloa barbinodis
- Leptochloa dubia
- Digitaria californica
- Muhlenbergia porteri
- Eragrostis lehmanniana
- Eragrostis intermedia
- Eragrostis lehanniana X tricophera
- Library Collection RecordProtection of 70,000 acres of state land holding proposed.Publication Date 2000
- land conservation
- land use
- State land
- Arizona
- Pima County
- Tucson
- Library Collection RecordFormer Attorney General Grant Woods led the creation of a petition to restrict urban growth.
- land use planning
- urban development
- Arizona
- Sprawl
- Tucson
- 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 RecordDiscusses a proposal to limit urban growth and development.Publication Date 1998
- Arizona
- Pima County
- Sprawl
- 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 RecordFlorida native range is grazed in winter and cows are moved to bahiagrass (Paspalum notatum Flugge) pasture in March for breeding and calf rearing. Winter weight loss of cows is a major problem, and…Publication Date 2000-07-01
- weaning
- pregnancy rate
- breeding season
- weaning weight
- sown grasslands
- weight losses
- Paspalum notatum
- liveweight gain
- calves
- body weight
- rain
- Florida
- pastures
- spring
- beef cows
- summer
- grazing
- native forage
- cattle
- reproduction
- weight change
- management
- Library Collection RecordThe objective of this study was to provide a tool for maintaining a high grazing efficiency. In a rotational grazing system, the residual sward height does not provide enough information in advance…Publication Date 2000-07-01
- France
- assessment
- ewes
- heat sums
- dairy cows
- nitrogen balance
- volume determination
- controlled grazing
- stocking rate
- rotational grazing
- grazing intensity
- biomass
- plant height
- herbage height
- nitrogen
- stocking rate
- management
- dairy farms
- 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 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 RecordRanchers and enviromentalists team up to agrue for the promotion of ranching to prevent further urban sprawl.Publication Date 1999
- ranching
- urban development
- land conservation
- Arizona
- open space
- Sprawl
- Library Collection RecordDetails the award of the MacArthur prize to a conservation-minded rancher near Douglas, Arizona.Publication Date 1998
- land conservation
- ranching
- Arizona
- Library Collection RecordThe BLM moves ahead with a land swap to increase the size of Saguaro National Park.
- national parks
- land use
- Arizona
- Saguaro National Park
- Tucson
- Library Collection RecordHundreds of grazing leases voided in 11 National Forests in Arizona and New Mexico.
- grazing management
- Arizona
- grazing leases
- National Forest
- New Mexico
- public land
- 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 RecordForest Service injunctions related to the protection of endangered species put pressure on logging industry.Publication Date 1997
- logging
- endangered species
- Arizona
- Forest Service
- 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 RecordNorthern Spotted Owl's protection leads to logging halt.Publication Date 1997
- endangered species
- logging
- Arizona
- National Forest
- New Mexico
- Northern Spotted Owl
- Library Collection RecordA comment on logging practices and recent events in Arizona's National Forests.Publication Date 1997
- logging
- grazing
- Arizona
- National Forest
- Library Collection RecordEnvironmental groups report that logging costs the state millions.Publication Date 1997
- logging
- Arizona
- National Forest
- 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 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 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 RecordAn extensive explanation of wilderness management issues including recreation, wildlife, water, pollution, historical resources, mining, air quality, aircraft and research.
- Wilderness areas
- land management
- management
- United States
- 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 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 RecordHow some are reacting to the fact that the Moenkopi Wash dries up during the summer now and the winter flow is not what it used to be.Publication Date 1994
- coal
- water rights
- Arizona
- mining
- 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 RecordFew perennial legumes have been successfully introduced into western North American rangelands receiving less than 250 mm annual precipitation. Winter annual legumes in the genus Medicago (medics)…Publication Date 1993-01-01
- Medicago littoralis
- hard seeds
- medicago laciniata
- winter annuals
- Medicago polymorpha
- Medicago truncatula
- annuals
- seed banks
- arid zones
- persistence
- genotype
- drought tolerance
- stand establishment
- sowing rates
- precipitation
- semiarid zones
- rangelands
- Arizona
- Library Collection RecordOver the past century woody plants have increased in abundance on sites formerly occupied by grasslands in the Sonoran Desert. Woody plant invasion has been associated with a multitude of biological…Publication Date 1993-01-01
- desert rodents
- shrub invasion
- edaphic factors
- Acacia
- woody weeds
- sowing depth
- deserts
- weed biology
- Prosopis velutina
- seed dispersal
- grasslands
- seedling emergence
- invasion
- fires
- fire effects
- air temperature
- woody plants
- environmental factors
- sheep
- cattle
- seed germination
- establishment
- Arizona
- soil texture
- Library Collection RecordFire on rangelands used as a management tool or as an unwanted wildfire removes vegetation cover. Vegetation cover is thought to be a dominate factor controlling surface runoff and erosion.…Publication Date 1992-09-01
- ground cover
- soil erosion
- spatial variation
- ground vegetation
- loam soils
- fires
- fire effects
- runoff
- prescribed burning
- sandy loam soils
- natural grasslands
- range management
- seasonal variation
- rangelands
- Arizona
- Library Collection RecordProvides information and resources on Arizona rangeland inventory and monitoring programs and techniques. Includes an extensive glossary.Publication Date 1997
- Arizona
- inventory
- monitoring
- 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 RecordAn article centered on the creation of adaptive management techniques for rangeland management.
- adaptive management
- Arizona
- monitoring
- Library Collection RecordA scanned copy of the form.
- Arizona
- Library Collection Record
247 Photo Form
A scanned copy of the form.- Arizona
- photo monitoring
- Library Collection RecordRange monitoring workshops have been offered for several years by the University of Arizona, yet range monitoring as a standard operating procedure on Arizona ranches had been sporadically adopted.…
- Arizona
- Gila County
- Library Collection RecordWe studied use of pastures and habitats in relation to moderate cattle grazing for 19 radio-collared desert mule deer (Odocoileus hemionus crooki) in a southeastern Arizona grass-shrubland. For each…Publication Date 1991-09-01
- odocoileus hemionus crooki
- xeroriparian habitats
- home range
- semi-desert scrub
- habitat selection
- habitats
- pastures
- Odocoileus hemionus
- cattle
- grazing
- Arizona
- Library Collection RecordEven though the Wilderness Act of 1964 provided for continuation of livestock grazing after wilderness designation, there has been continued debate about the Forest Service's implementation of…Publication Date 1991-09-01
- land policy
- permits
- animal unit month
- coronado national forest
- Tonto National Forest
- USDA
- wilderness
- national forests
- multiple land use
- grazing intensity
- range management
- rangelands
- grazing
- Arizona
Pagination
- First page
- Previous page
- …
- 3
- 4
- 5
- 6
- 7
- …
- Next page
- Last page