Rangeland Ecology & Management
Get reliable science
Toggle Search
Result Type
Collection
Keywords
Document Type
Displaying 201 - 250 of 1093 results
- Library Collection RecordTwo grazing trials were conducted during early winter (December 1996-January 1997) and spring (April-May 1997) to evaluate the effect of shape of pasture on forage use and behavior of grazing sheep (…Publication Date 2001-03-01
- Italy
- chemical composition
- pastures
- winter
- animal behavior
- spring
- feeding behavior
- voluntary intake
- Mediterranean climate
- selective grazing
- use efficiency
- sward destruction
- shape
- protein intake
- energy intake
- grazing intensity
- sheep
- biomass
- forage
- dry matter
- diet choice
- space pattern
- grazing 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 2001-02-01
- energy content
- seasons
- altitude
- phosphorus
- nutritive value
- crude protein
- comparisons
- grasses
- quality
- forage
- rain
- Arizona
- Library Collection RecordBook by Karen Launchbaugh (ed.) concerning Pasture, Rangeland Management, Grazing and other subjectsPublication Date 2001
- pastures
- grassland management
- grazing
- Idaho
- 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 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 RecordLow soil nutrient status may be the major limiting factor to forage production in rangelands of the Mendoza plains 4 years out of 10. We studied vegetation responses to annual applications of N and P…Publication Date 2000-07-01
- phosphorus fertilizers
- economic analysis
- production costs
- soil fertility
- rain
- nitrogen fertilizers
- use efficiency
- biomass production
- application rates
- Argentina
- rangelands
- forage
- crude protein
- season rain-use efficiency
- nutrient use efficiency
- range fertilization economics
- Library Collection RecordIndependent digestion trials with 5 forages were conducted to compare n-alkane with indigestible acid-detergent fiber (IADF) as internal markers to predict in vivo dry matter digestibility (…Publication Date 2000-03-01
- digestibility markers
- alkanes
- indigestible acid-detergent fiber
- alfalfa
- alfalfa hay
- prediction
- feces composition
- fiber content
- hay
- digestibility
- cattle
- in vitro digestibility
- grasses
- forage
- maturity stage
- indigestible
- ADF
- hydrocarbon
- beef cattle
- Library Collection RecordWe compared the herbage standing crop on 31 farms along a rainfall gradient in Namibia (southwestern Africa) in 1997 with the results attained for the same gradient by Walter (1939). We found that…Publication Date 2000-03-01
- Namibia
- environmental degradation
- desertification
- grasslands
- rain
- stocking rate
- biomass production
- overgrazing
- forage
- Africa
- rangelands
- historical records
- grazing
- rainfall
- 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 RecordWe assessed the potential of activated charcoal to attenuate bitterweed (Hymenoxys odorata DC.) toxicosis in 3 trials. In Trial 1, lambs were offered a subacute level (.264% BW) of bitterweed and…Publication Date 2000-01-01
- sesquiterpenoid lactones
- detoxicants
- Hymenoxys odorata
- activated carbon
- sorghum
- dosage
- concentrates
- lambs
- biting rates
- poisonous weeds
- selective grazing
- forage
- feed intake
- Library Collection RecordHistorically, there have been several seminal achievements in management and utilization of privately-owned rangelands. The most important of the early achievements were domestication of livestock,…Publication Date 2000-01-01
- government research
- history
- land ownership
- agricultural research
- stocking rate
- prescribed burning
- overgrazing
- range management
- forage
- Library Collection RecordReport by Kenneth Sanders concerning Rangeland Management, Fire, Grazing and other subjectsPublication Date 2000
- grassland management
- fire ecology
- grazing
- Idaho
- 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 RecordRedberry juniper (Juniperus pinchotii Sudw.) is a common invasive brush species that reduces rangeland productivity over vast acreages in the Rolling Plains and Edwards Plateau regions of Texas. The…Publication Date 1999-11-01
- chaining
- timing
- Juniperus pinchotii
- costs and returns
- cost-benefit analysis
- brush control
- prescribed burning
- profitability
- biomass production
- Texas
- canopy
- forage
- Library Collection RecordThis research addresses the hypothesis that grazing intensity during and following drought can dramatically alter community level, post-drought recovery patterns. Research was conducted during the…Publication Date 1999-09-01
- warm-season grasses
- cool-season grasses
- timing
- annuals
- perennials
- precipitation
- biomass production
- grazing intensity
- prairies
- drought
- Montana
- rangelands
- grasses
- forage
- soil water
- Library Collection RecordWhite-tailed deer (Odocoileus virginianus L.) feed heavily on alfalfa (Medicago sativa L.) throughout Pennsylvania. Attempts to reduce deer feeding on forage crops have proven too costly or…Publication Date 1999-09-01
- Phleum pratense
- crop losses
- vertebrate pests
- Medicago sativa
- Dactylis glomerata
- yield losses
- Pennsylvania
- forage quality
- Odocoileus virginianus
- selective grazing
- hay
- forage
- feeding preferences
- Library Collection RecordThis study was designed to: 1) compare the landscape distribution patterns of bison on fire-managed prairie remnants in the tallgrass (Oklahoma), and mixed prairie (Nebraska); and 2) identify the…Publication Date 1999-09-01
- edaphic factors
- tallgrass prairie
- mixed prairie
- bison
- topography
- fire ecology
- fires
- fire effects
- forage quality
- animal preferences
- selective grazing
- Nebraska
- prescribed burning
- prairies
- botanical composition
- geographical distribution
- forage
- Library Collection RecordBig sagebrush (Artemisia tridentata Nutt.) declined from ungulate browsing during the first half of the twentieth century on the Northern Yellowstone Winter Range. It was our objective to compare…Publication Date 1999-07-01
- Wyoming
- grazing intensity
- slopes
- Artemisia tridentata
- plant communities
- Odocoileus hemionus
- browsing damage
- shrubs
- Cervus elaphus canadensis
- canopy
- forage
- Library Collection RecordTwo trials were conducted in 1994, 1995, and 1996 to determine the first limiting nutrient for summer calving cows grazing Sandhills range. In Trial 1, 48 lactating summer calving cows grazing native…Publication Date 1999-07-01
- soybean hulls
- tallow
- feather meal
- maize steep liquor
- protected protein
- digestible protein
- pregnancy rate
- breeding season
- birth weight
- dietary protein
- body condition
- liveweight gain
- calves
- ambient temperature
- body weight
- fiber content
- rain
- Nebraska
- beef cows
- soybean meal
- protein intake
- digestibility
- feed supplements
- grazing
- forage
- feed intake
- Library Collection RecordCattle (Bos taurus) and vizcacha (Lagostomus maximus) diets were examined monthly in the semiarid caldénal in central Argentina. Cow-calf operations are the most important economic activities within…Publication Date 1999-07-01
- free range husbandry
- diversity
- Lagostomus maximus
- ambient temperature
- feces composition
- rain
- species differences
- grazing intensity
- diets
- cattle
- seasonal variation
- Argentina
- botanical composition
- grasses
- forage
- feeding preferences
- Library Collection RecordEstimates of forage use are often the basis for important management decisions (e.g., determining carrying capacity and setting stocking rates). Using both hypothetical and field data, we examine the…Publication Date 1999-03-01
- sample plot technique
- data analysis
- representative sampling
- estimation
- yields
- plant communities
- Cervus elaphus canadensis
- rangelands
- Utah
- forage
- 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 1999-01-01
- forage
- botanical composition
- Library Collection RecordAbstract not availablePublication Date 1999
- forage
- botanical composition
- Library Collection RecordAbstract not availablePublication Date 1999
- forage
- botanical composition
- Library Collection RecordJapanese brome (Bromus japonicus Thunb.) and downy brome (Bromus tectorum L.), introduced annuals, have invaded many northern mixed-prairie plant communities. This study determined the effect of…Publication Date 1998-11-01
- density
- interspecific competition
- Bromus japonicus
- ambient temperature
- rain
- Bromus tectorum
- weight
- Pascopyrum smithii
- tillering
- tillers
- biomass
- Montana
- grazing
- forage
- Library Collection RecordThe winter forage quality of bluebunch wheatgrass (Agropyron spicatum [Pursh] Scribn. &Smith) is generally inadequate for maintenance of wintering Rocky Mountain elk (Cervus elaphus nelsoni…Publication Date 1998-09-01
- energy requirements
- developmental stages
- Pseudoroegneria spicata
- stubble
- protein content
- yields
- Cervus elaphus
- winter
- cutting
- digestibility
- crude protein
- phenology
- nutritive value
- forage
- dry matter
- 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
- forage
- grassland improvement
- Library Collection RecordNative warm-season grass mixtures have been established on the Southern Plains under the USDA Conservation Reserve Program. We studied responses to N fertilizer on such pastures in western Oklahoma…Publication Date 1998-07-01
- Bouteloua curtipendula
- grassland improvement
- ground cover
- nitrogen fertilizers
- stocking rate
- Oklahoma
- Bouteloua gracilis
- grazing intensity
- application rates
- biomass
- range management
- botanical composition
- beef cattle
- forage
- Library Collection RecordPhysical and chemical traits of grass tillers can be strongly correlated. Understanding such patterns would help define physiological development of tillers and changes in quality of forage in…Publication Date 1998-05-01
- Bouteloua
- Schizachyrium scoparium
- chlorophyll
- Calamovilfa longifolia
- ash
- hemicellulose
- cell walls
- Andropogon hallii
- lignin
- protein content
- fiber content
- Nebraska
- weight
- tillers
- in vitro digestibility
- botanical composition
- forage
- dry matter
- maturity stage
- Library Collection RecordIn developing an improved understanding of the dynamics of understory plant composition and productivity in Coastal Plain forest ecosystems, we examined the influence of site preparation and…Publication Date 1998-01-01
- chopping
- Arkansas
- subsoil
- site preparation
- windrowing
- cultivation
- interspecific competition
- Pinus taeda
- phosphorus fertilizers
- 2,4-D
- Paspalum
- legumes
- understory
- ecological succession
- forest plantations
- Louisiana
- prescribed burning
- forbs
- biomass production
- shrubs
- Texas
- Pinus
- canopy
- grasses
- forage
- soil texture
- Library Collection RecordBurning and harvest frequency can affect the vigor of switchgrass (Panicum virgatum L.), big bluestem (Andropogon gerardii Vitman), and indiangrass [Sorghastrum nutans (L.) Nash]. A field study was…Publication Date 1998-01-01
- Nebraska
- vigor
- Sorghastrum nutans
- Panicum virgatum
- weight
- harvesting frequency
- species differences
- prescribed burning
- Andropogon gerardii
- tillering
- tillers
- plant density
- biomass
- forage
- Library Collection RecordIndicators of nutrient intake were compared for beef steers grazing tallgrass prairie managed with continuous grazing or 8-paddock short-duration grazing. Two replicates of each grazing system were…Publication Date 1998-01-01
- duodenum
- flow
- feeding level
- dietary protein
- organic matter
- continuous grazing
- range condition
- feces composition
- stocking rate
- rotational grazing
- Oklahoma
- steers
- digestibility
- digesta
- grazing intensity
- nitrogen content
- prairies
- forage
- feed intake
- Library Collection RecordPublication Date 1998
- Pasture Improvement
- seed
- pastures
- Feed Crops
- grassland management
- sustainability
- Syria
- rangelands
- Library Collection RecordSeasonal changes in the botanical composition of diets and protein quality of forages consumed by cottontail rabbits (Sylvilagus floridanus) were monitored on disturbed and undisturbed upland…Publication Date 1997-09-01
- protein quality
- essential amino acids
- deciduous forests
- disturbed soils
- highlands
- Sylvilagus floridanus
- habitats
- protein content
- range condition
- chemical composition
- diet
- Oklahoma
- prairies
- seasonal variation
- botanical composition
- forage
- maturity stage
- Library Collection RecordA biophysical model, GRAZE, is used to simulate beef forage performance for stocker steers pastured on common bermudagrass. Eight alternative stocking rates, ranging from low to high grazing…Publication Date 1997-09-01
- biophysical simulation model
- Arkansas
- uncertainty
- Cynodon dactylon
- risk
- simulation models
- costs and returns
- grassland improvement
- market prices
- production costs
- liveweight gain
- rain
- stocking rate
- steers
- grazing intensity
- forage
- Library Collection RecordFeral horse habitat selection patterns and forage attributes on available habitats were studied on public rangelands of southcentral Wyoming. Environmental assessments preceding roundup of excess…Publication Date 1997-07-01
- wild animals
- patterns
- habitat selection
- horses
- palatability
- Wyoming
- rangelands
- forage
- Library Collection RecordIn sacco dry matter degradability (DMD) of the most commonly consumed range forages by llamas and sheep in the arid highlands of Bolivia was measured during the wet and dry seasons to determine if…Publication Date 1997-07-01
- in sacco dry matter degradation
- degradation
- Bolivia
- llamas
- highlands
- arid lands
- digestibility
- kinetics
- shrubs
- sheep
- grasses
- forage
- dry matter
- Library Collection RecordFederal land grazing fees have been set by a formula that uses a base rate developed from a 1966 study comparing total grazing costs on private and public lands. A similar market comparison was…Publication Date 1997-05-01
- valuation
- federal government
- permits
- leasing
- private ownership
- production costs
- Idaho
- Wyoming
- grazing
- New Mexico
- forage
- Library Collection RecordEighty 2-year-old spring calving primiparous cows were assigned to 2 weaning and 2 grazing treatments (20 cows/treatment) from 7 September to 7 November in 1991, 1992, and 1993. Grazing treatments…Publication Date 1997-01-01
- subsurface irrigation
- dry periods
- lactation
- weaning
- lactation number
- irrigated pastures
- body condition
- liveweight gain
- calves
- body weight
- fiber content
- pastures
- Nebraska
- beef cows
- crude protein
- in vitro digestibility
- grazing
- forage
- feed intake
- Library Collection RecordEstimates of carrying capacity for herbivores are useful for determining the relative value of different ranges. We compared 6 estimates of nutritional carrying capacity for white-tailed deer (…Publication Date 1997-01-01
- Zanthoxylum fagara
- digestible energy
- costs and returns
- grassland improvement
- semiarid grasslands
- carrying capacity
- estimation
- body weight
- Odocoileus virginianus
- natural grasslands
- shrubs
- nitrogen content
- Texas
- forage
- dry matter
- feed intake
- Library Collection RecordPublication Date 1997
- Pakistan
- watershed management
- Rural development
- monitoring
- Rapid rural appraisal
- crops
- livestock
- soil conservation
- water conservation
- afforestation
- grassland management
- training
- Pakistan
- Pakistan
- Library Collection RecordPublication Date 1997
- grassland management
- Feed Crops
- rangelands
- Pakistan
- species
- grasslands
- biomass
- seedbeds
- grazing systems
- training
- Pakistan
- Pakistan
- Library Collection RecordPeople and participation in sustainable development: understanding the dynamics of natural resource systems. Proceedings of an International Conference, 17-21 March 1996, Shivakoti, G. (ed.)Varughese…Publication Date 1997
- Nepal
- natural resources
- resource management
- Indigenous knowledge
- Development policies
- irrigation
- forest management
- grassland management
- soil management
- Nepal
- irrigation
- Nepal
- Library Collection RecordPublication Date 1997
- socioeconomic development
- grassland management
- Pakistan
- socioeconomic environment
- development projects
- Pakistan
- Pakistan
- 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 RecordThe objective of this 2 year study was to identify the optimal height to graze Old World bluestem pasture in the Southern Great Plains under continuous stocking during the growing season. We…Publication Date 1996-11-01
- performance
- evaporation
- leaves
- roots
- stems
- liveweight gain
- continuous grazing
- ambient temperature
- Bothriochloa ischaemum
- rain
- steers
- crude protein
- grazing intensity
- Texas
- biomass
- forage
- plant height
- Library Collection RecordOld World bluestems (Bothriochloa spp.) are extensively used throughout the Southern Plains. Interseeding these stands with persistent nitrogen-fixing legumes could reduce N fertilizer input, extend…Publication Date 1996-09-01
- Vicia villosa
- Trifolium hirtum
- interplanting
- Bothriochloa
- persistence
- protein content
- Oklahoma
- crude protein
- biomass production
- in vitro digestibility
- forage
- dry matter
- Library Collection RecordInduced and natural tetraploids have been proposed as promising sources of germplasm in breeding programs to improve Russian wildrye [Psathyrostachys juncea (Fisch.) Nevski]. Studies were conducted…Publication Date 1996-09-01
- crop quality
- Psathyrostachys juncea
- tetraploidy
- yields
- seeds
- seedlings
- water-use efficiency
- vigor
- crop yield
- forage
- Library Collection RecordA study was conducted to determine the influence of prescribed fire on the availability of primary foods of sage grouse (Centrocercus urophasianus Bonaparte) chicks at Hart Mountain National Antelope…Publication Date 1996-07-01
- insects
- chicks
- Centrocercus urophasianus
- game birds
- autumn
- foraging
- habitats
- Purshia tridentata
- species diversity
- spring
- prescribed burning
- Oregon
- Artemisia tridentata
- forage
Pagination
- First page
- Previous page
- …
- 3
- 4
- 5
- 6
- 7
- …
- Next page
- Last page