Rangeland Ecology & Management
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- Library Collection RecordPastoral livestock production systems in Africa that have existed for centuries are now threatened by changing demographics, improved communications, increased availability of modern weapons, open…Publication Date 2017
- Africa
- cattle
- food crisis
- grazing
- livestock
- nomads
- range management
- Library Collection RecordPrescribed fire has long been used worldwide for livestock and wildlife management. Prescribed fire effects on activity budgets and movement path characteristics of grazing animals, however, remain…Publication Date 2017
- behavior
- burning
- foraging efficiency
- GPS
- livestock
- rangeland improvement
- Library Collection RecordThe extent and heterogeneity of rangelands in the state of Nevada (United States) pose a challenging situation for land managers when determining stocking levels for livestock grazing.…Publication Date 2017
- drought
- grazing
- livestock
- MODIS
- PDSI
- precipitation
- Library Collection RecordWe determined the effects of two forage allowance levels (LOW vs. HIGH) and weather conditions on daytime and nighttime movement patterns of young rangeland-raised cows. We also investigated whether…Publication Date 2016
- feeding site selection
- global positioning system (GPS)
- juniper woodland
- livestock
- stocking rate
- Library Collection RecordWe determined the effects of two forage allowance levels (LOW vs. HIGH) and weather conditions on daytime and nighttime movement patterns of young rangeland-raised cows. We also investigated whether…Publication Date 2016
- feeding site selection
- global positioning system (GPS)
- juniper woodland
- livestock
- stocking rate
- Library Collection RecordGovernance plays a key role in rangeland management. In China, all rangeland, including pastoral land and agro-pastoral land, is owned by the State. Since 1980, use rights have been granted to…Publication Date 2015-03
- agro-pastoral region
- Community participation
- family income
- livestock
- rangeland governance
- vegetation
- Library Collection RecordGovernance plays a key role in rangeland management. In China, all rangeland, including pastoral land and agro-pastoral land, is owned by the State. Since 1980, use rights have been granted to…Publication Date 2015-03
- agro-pastoral region
- Community participation
- family income
- livestock
- rangeland governance
- vegetation
- Library Collection RecordGround squirrel (Spermophilus spp.) and American badger (Taxidea taxus) burrowing activities are ecologically important disturbances that contribute to the heterogeneity of prairie environments.…Publication Date 2014-05
- Burrowing animals
- livestock
- Prairie conservation
- vegetation composition
- vegetation structure
- Library Collection RecordGround squirrel (Spermophilus spp.) and American badger (Taxidea taxus) burrowing activities are ecologically important disturbances that contribute to the heterogeneity of prairie environments.…Publication Date 2014-05
- Burrowing animals
- livestock
- Prairie conservation
- vegetation composition
- vegetation structure
- Library Collection RecordGrassland songbird populations are declining, and one reason for this might be livestock management practices in native prairies. Although cattle grazing is a common practice in native mixed-grass…Publication Date 2013-07-01
- ground-nesting birds
- livestock
- mixed-grass prairies
- vegetation structure
- wildlife habitats
- Library Collection RecordSubdivision and sedentarization of pastoral communities is accelerating rapidly across the African rangelands, posing a severe threat to wildlife populations, but few studies have looked…Publication Date 2013-01-01
- grass biomass
- land tenure
- livestock
- Maasai
- pastoralism
- wildlife conservation
- Library Collection RecordAnderson larkspur (Delphinium andersonii A. Gray) is a toxic plant responsible for cattle death losses in the western United States. The objectives of the present study were to determine when cattle…Publication Date 2011-11-01
- alkaloids
- diet
- larkspur
- livestock
- poisonous plants
- Library Collection RecordIngestion of small amounts of condensed tannin (CT) by ruminants can produce valuable outcomes such as improved nitrogen use and reduced bloating, methane output, and gastrointestinal parasitism.…Publication Date 2010-03-01
- condensed tannins
- livestock
- water intake
- Library Collection RecordRangelands and savannas occupy 70% of the Australian continent and are mainly used for commercial grazing of sheep and cattle. In the center and north, where there are extensive areas of indigenous…Publication Date 2010-01-01
- burning
- carbon
- deforestation
- emissions
- fire
- livestock
- vegetation thickening
- Library Collection RecordIngestion of small amounts of condensed tannin (CT) by ruminants can prevent bloat, improve nitrogen retention, and reduce excretion of urea, a precursor of ammonia and the greenhouse gas nitrous…Publication Date 2008-05-01
- livestock
- pollution reduction
- quebracho tannin
- Library Collection RecordCheatgrass (Bromus tectorum L.) is an invasive annual grass that creates near-homogenous stands in areas throughout the Intermountain sagebrush steppe and challenges successful native plant…Publication Date 2008-01-01
- cheatgrass
- clipping
- grazing
- livestock
- native plant restoration
- weed control
- Library Collection RecordThe survival of Ashe juniper (Juniperus ashei Buchh.) plants of all sizes was compared between paired burned and unburned plots in four savanna sites on the eastern Edwards Plateau. Smaller plants…Publication Date 2007-11-01
- Edwards Plateau
- facilitation
- fire survival
- Juniperus ashei
- survival rates
- Texas
- Library Collection RecordIncreases of velvet mesquite (Prosopis velutina Woot.) in southwestern grasslands might have been caused by livestock consumption of fuels that once burned with sufficient frequency and intensity to…Publication Date 2007-09-01
- burn
- exotic grasses
- foliage volume
- fuels
- grazing
- livestock
- Library Collection RecordThe impacts of wild herbivores on cattle diet selection were investigated in an East African rangeland during August 2001 and February 2002. The study compared cattle diets in plots exclusively…Publication Date 2007-03-01
- forbs
- livestock
- megaherbivores
- nutrition
- productivity
- wild herbivores
- Library Collection RecordHousing developments are replacing ranches in the southwestern United States, with potentially significant but little-studied ecological effects. We counted grasshoppers (Orthoptera: Acrididae) and…Publication Date 2006-11-01
- Acrididae
- fire
- forbs
- grasslands
- grazing
- livestock
- mesquite
- oak
- Library Collection RecordScaled quail (Callipepla squamata pallida Vigors) are closely associated with semidesert grasslands of the southwestern United States, and populations have declined by as much as 50% since 1960.…Publication Date 2006-05-01
- Callipepla squamata
- grazing
- livestock
- exotic grasses
- semidesert grassland
- Chihuahuan desertscrub
- 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 RecordGrazing of livestock in streams and associated riparian habitats (hereafter referred to as riparian zones) may affect small mammal communities by influencing vegetation, water quality, and other site…Publication Date 2004-07-01
- fencing
- litter
- livestock
- pastures
- streams
- vegetation
- wildlife
- Library Collection RecordDue to its palatability and forage quality, antelope bitterbrush (Purshia tridentata Pursh DC) is a desirable shrub across western US rangelands. Because little information is available regarding…Publication Date 2004-03-01
- Purshia tridentata
- livestock
- big game
- winter range
- wildlife
- habitats
- browse
- Library Collection RecordPalatability of shrub sprouts to white-tailed deer (Odocoileus virginianus Raf.) differs among species, which causes selective browsing and can shift shrub species composition to dominance by less…Publication Date 2003-11-01
- sprouts
- shrublands
- brush control
- palatability
- Texas
- botanical composition
- wildlife food habits
- Acacia rigidula
- blackbrush acacia
- brush management
- Celtis pallida
- spiny hackberry
- white-tailed deer
- Library Collection RecordSeveral studies have examined the impact of woody plant (i.e., brush) management efforts on mesquite (Prosopis glandulosa Torr.) cover and associated ecological impacts, but little research has been…Publication Date 2003-11-01
- Prosopis glandulosa
- spatial variation
- brush control
- herbicides
- mortality
- spatial distribution
- Texas
- canopy
- brush management
- clopyralid
- spatial pattern analysis
- GIS and remote sensing
- semiarid rangelands
- Library Collection RecordAeration is a common range management technique used in southern Texas and northern Mexico to reduce shrub cover and increase biomass of more palatable forages. Guajillo (Acacia berlandieri Benth.)…Publication Date 2003-09-01
- rolling
- phenethylamines
- tyramine
- N-methyl-phenethylamine
- juvenile stems
- mature stems
- leaves
- deserts
- Acacia berlandieri
- stems
- browse plants
- weed control
- regrowth
- Texas
- seasonal variation
- browsing
- chemical constituents of plants
- Acacia berlandieri
- Chihuahuan Desert
- forage quality
- Mexico
- nitrogen
- tyramine
- Library Collection RecordConsumption of mesquite (Prosopis glandulosa Torr. var glandulosa) fruit by ruminants is an important component of seed dispersal. Two experiments were conducted to estimate the role of livestock and…Publication Date 2003-05-01
- wildlife
- seed dispersal
- Prosopis glandulosa var. glandulosa
- viability
- weathering
- seed predation
- seed maturation
- seeds
- feces
- digestibility
- sheep
- goats
- cattle
- Texas
- range management
- Prosopis
- germination
- digestion
- fecal dispersal
- phenology
- encroachment
- Library Collection RecordHighly intensive stocking of dairy cattle on continuously grazed pasture coupled with liberal applications of commercial fertilizer can lead to increased losses of agricultural nutrients, which is a…Publication Date 2003-05-01
- farm size
- dairy cows
- soil nutrient balance
- nutrient management
- dairy farm management
- agricultural runoff
- pollution control
- simulation models
- costs and returns
- production costs
- fertilizer application
- stocking rate
- nitrogen
- phosphorus
- application rates
- Texas
- grazing
- stocking density
- manure
- nutrient losses
- nitrogen
- phosphorus
- economics
- Library Collection RecordVegetation changes were evaluated over a 13 year period (1988-2000) on moderately grazed and lightly grazed rangelands in the Chihuahuan Desert of south central New Mexico. During the study period,…Publication Date 2003-03-01
- stocking rate
- arid lands
- livestock
- range management
- Library Collection RecordHoney mesquite (Prosopis glandulosa Torr.) is a problem plant in much of the southwestern USA because it reduces forage production for livestock, interferes with livestock handling and reduces off-…Publication Date 2003-01-01
- top kill
- basal sprouting
- root-kill
- apical dominance
- aerial spraying
- woody weeds
- herbicide mixtures
- leaf area
- leaves
- clopyralid
- canopy gaps
- Prosopis glandulosa
- triclopyr
- multiple land use
- brush control
- shoots
- mortality
- plant communities
- Texas
- range management
- plant competition
- defoliation
- brush management
- brush sculpting
- canopy cover
- multiple use
- Prosopis glandulosa
- shrubs
- triclopyr
- woody plants
- Library Collection RecordFires were once a natural part of most savanna ecosystems, but lack of fine fuel and an active suppression policy have changed fire frequency and seasonality. Re-introducing fires to these systems…Publication Date 2002-09-01
- fire intensity
- Acacia
- shrublands
- Prosopis glandulosa
- brush control
- savannas
- ecological succession
- population structure
- shortgrass prairie
- prescribed burning
- forbs
- plant density
- Texas
- botanical composition
- canopy
- grasses
- fire frequency
- seasonality
- prescribed burns
- Prosopis glandulosa
- Acacia
- detrended correspondence analysis
- ordination
- Library Collection RecordSome recent investigations have shown the visual obstruction (VO) measurement method to be an effective means of estimating herbage standing crop non-destructively in tallgrass prairie. Although the…Publication Date 2002-09-01
- tallgrass prairie
- mixed prairie
- rapid methods
- visual obstruction
- Buchloe dactyloides
- estimation
- shortgrass prairie
- Bouteloua gracilis
- grazing intensity
- Texas
- prairies
- biomass
- mixed prairie
- non-destructive sampling
- Robel pole
- shortgrass
- tallgrass
- Library Collection RecordAccurate and efficient monitoring of habitat structure on rangelands is important for understanding wildlife responses to land management practices. Unfortunately, studies of wildlife responses to…Publication Date 2002-09-01
- stand structure
- shrublands
- visual obstruction
- Artemisia filifolia
- dimensions
- angle of obstruction
- cone of vulnerability
- habitat structure
- landscape ecology
- habitats
- understory
- Quercus havardii
- Oklahoma
- plant density
- Texas
- canopy
- cone of vulnerability
- gallinaceous bird
- sand shinnery
- vegetation structure
- visual obstruction
- patchiness
- heterogeneity
- Library Collection RecordChanges in rangeland species composition can effect forage quality, ecosystem function, and biological diversity. Unfortunately, documenting species compositional change is difficult due to a lack of…Publication Date 2002-07-01
- sown grasslands
- habitats
- Quercus
- woodland grasslands
- species diversity
- ecological succession
- invasion
- grazing intensity
- California
- range management
- botanical composition
- invasive species
- Northwest California
- herbarium
- oak woodlands
- livestock
- flora
- invasive species
- Library Collection RecordIn this paper, the linkage between streamflow and shrub cover on rangelands is examined, with a focus on the extensive Texas rangelands dominated by mesquite and juniper. The conclusions drawn are…Publication Date 2002-07-01
- semiarid soils
- stream flow
- subsurface flow
- groundwater flow
- water yield
- Prosopis
- evapotranspiration
- watersheds
- brush control
- watershed hydrology
- runoff
- precipitation
- Texas
- range management
- Juniperus
- water yield
- range hydrology
- runoff
- shrub control
- ecohydrology
- stream flow
- semiarid
- Library Collection RecordIn 1992 and 1993, pastures of WW-Spar Old World bluestem (Bothriochloa ischaemum L.) were maintained at 2 levels of soil water, rainfall and rainfall plus 25 mm/week of supplementary irrigation. At…Publication Date 2002-05-01
- irrigated conditions
- irrigated pastures
- leaves
- ratios
- stems
- continuous grazing
- Bothriochloa ischaemum
- rain
- leaf area index
- steers
- tillering
- grazing intensity
- plant density
- Texas
- biomass
- plant height
- soil water
- Bothriochloa ischaemum
- continuous variable stocking
- herbage allowance
- Library Collection RecordRisk of livestock losses to poisonous plants can be reduced on many ranges through prudent management based on application of existing knowledge. Poisonous plants can be categorized using both…Publication Date 2002-05-01
- weed palatability
- risk assessment
- toxicity
- controlled grazing
- poisonous weeds
- selective grazing
- grazing intensity
- range management
- literature reviews
- livestock
- grazing management
- diet selection
- poisonous plants
- Library Collection RecordIn recent years livestock death losses from poisonous plants in the western United States have averaged about 2-3% annually. A review of 36 grazing studies in North America shows poisonous plant…Publication Date 2002-05-01
- Oxytropis
- deserts
- avoidance conditioning
- Oxytropis sericea
- controlled grazing
- poisonous weeds
- woodland grasslands
- Western United States
- grasslands
- continuous grazing
- stocking rate
- range management
- livestock
- Delphinium
- cattle
- sheep
- goats
- grazing
- poisonous plants
- economics
- Library Collection RecordPhreatophytes are trees and shrubs with deep roots tapping the water tables. As such they are presumed to be able to tolerate a water deficit in the top soil. Growth of some phreatophytes is…Publication Date 2002-01-01
- Tamarix gallica
- weed biology
- diurnal variation
- stomatal conductance
- drought tolerance
- carbon dioxide
- root systems
- photosynthesis
- gas exchange
- precipitation
- xylem water potential
- semiarid zones
- Texas
- introduced species
- phreatophytes
- water relations
- gas exchange
- drought tolerance
- Tamarix gallica L.
- Library Collection RecordExcessive cover of juniper (Juniperus pinchotii Sudw.) reduces forage production, interferes with livestock management, and diminishes the watershed and wildlife habitat values of rangelands. We…Publication Date 2001-11-01
- basal area
- Juniperus pinchotii
- Bouteloua curtipendula
- Buchloe dactyloides
- Hilaria mutica
- soil temperature
- Prosopis glandulosa
- soil fertility
- invasion
- weed control
- seedlings
- growth rate
- Texas
- botanical composition
- plant competition
- canopy
- plant height
- competition
- facilitation
- mesquite rangeland
- seedling establishment
- 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 RecordChanging landowner demographics and the increasing recognition that some quantity of woody plants is valuable for certain rangeland management objectives has led to increasing interest in selective…Publication Date 2001-11-01
- control methods
- innovation adoption
- U.S. Cooperative Extension Service
- extension agents
- information dissemination
- extension education
- Juniperus ashei
- geographical variation
- Opuntia
- Juniperus pinchotii
- Prosopis glandulosa
- landowners
- brush control
- herbicides
- weed control
- chemical control
- Texas
- agency and industry partnership
- brush management
- collaborative marketing
- information dissemination
- technology adoption
- Library Collection RecordKnowledge of the rate woody plant canopy cover increases is essential for understanding the ecology of rangeland plant communities, determining the economic feasibility of brush management practices…Publication Date 2001-09-01
- aerial photography
- chaining
- grubbing
- Juniperus pinchotii
- carrying capacity
- soil types
- brush control
- rain
- biomass production
- grazing intensity
- Texas
- canopy
- forage
- Juniperus pinchotii
- mechanical brush control
- aerial photography
- line transects
- juniper management
- herbage production
- Library Collection RecordThis paper presents a comparative simulation analysis of the economics of prescribed fire and aerially applied root-killing herbicide treatment as methods for maintaining livestock productivity on…Publication Date 2001-09-01
- livestock numbers
- carrying capacity
- Prosopis glandulosa
- cost analysis
- cost-benefit analysis
- brush control
- herbicides
- chemical control
- prescribed burning
- Texas
- wildlife management
- grazing
- brush management
- bioeconomics
- natural resource accounting
- prescribed burning
- root-killing herbicide
- Library Collection RecordPlant growth depends upon C, H, O, and at least 13 mineral elements. Six of these (N, K, Ca, Mg, P, and S) macro-elements normally occur in plants at concentrations greater than 1,000 mg kg(-1) level…Publication Date 2001-07-01
- silicon
- animal health
- sulfur
- nickel
- nutrient-nutrient interactions
- nutrient content
- mineral content
- nutrient availability
- sodium
- nitrogen
- potassium
- trace elements
- phosphorus
- magnesium
- calcium
- mineral nutrition
- literature reviews
- livestock
- forage
- mineral interaction
- mineral requirements
- mineral nutrients
- ruminant diets
- Library Collection RecordAlthough recognized in importance from the dawn of history, forages have too often been underestimated and undervalued perhaps in part because animal performance has frequently failed to reflect…Publication Date 2001-07-01
- plant diseases and disorders
- immune response
- morbidity
- animal health
- sexual reproduction
- antinutritional factors
- Festuca arundinacea
- nutritional status
- toxicity
- mineral content
- economic analysis
- liveweight gain
- mortality
- adaptation
- animal behavior
- secondary metabolites
- digestibility
- insect pests
- nutritive value
- literature reviews
- livestock
- forage
- feed intake
- chemical constituents of plants
- nutrition
- animal health
- performance
- forage quality
- toxins
- Library Collection RecordSome grasses harbor endophytic fungi living in intercellular spaces in the leaves, stems and reproductive organs. The fungi can dramatically affect the physiology and ecology of plants. For example,…Publication Date 2001-07-01
- Elymus canadensis
- mutualism
- colonization
- host plants
- Iowa
- plant physiology
- toxins
- plant-water relations
- leaves
- Illinois
- Missouri
- stems
- Kansas
- plant ecology
- incidence
- Nebraska
- herbivores
- Oklahoma
- tillers
- Texas
- prairies
- geographical distribution
- Acremonium
- endophytes
- Elymus canadensis
- Epichlo typhina
- Neotyphodium
- geographical pattern
- mutualism
- tallgrass prairie
- Library Collection RecordRedberry juniper (Juniperus pinchotii Sudw.) is a noxious shrub or small tree that invades rangelands in northwest Texas. Field reflectance measurements showed that redberry juniper had lower visible…Publication Date 2001-05-01
- infrared radiation
- detection
- color
- aerial photography
- Weeds
- reflectance
- Juniperus pinchotii
- Infestation
- remote sensing
- shrubs
- plant density
- Texas
- botanical composition
- color-infrared photography
- reflectance
- digital image anaysis
- accuracy assessment
- Juniperus
- Library Collection RecordGoats consume juniper, but toxic terpenoids within the plant limit intake. Our objective was to determine if dosing goats with the adsorptive compound activated charcoal would increase juniper…Publication Date 2001-05-01
- Juniperus ashei
- charcoal
- Juniperus pinchotii
- browse
- adaptation
- terpenoids
- goats
- Texas
- forage
- feed intake
- feeding preferences
- Juniperus
- J. ashei
- J. pinchotii
- Capra
- experience
- preference
- toxicosis
- feedback
- aversions
- browsing