Rangeland Ecology & Management
Get reliable science
Toggle Search
Result Type
Collection
Keywords
Document Type
Displaying 151 - 200 of 301 results
- Library Collection RecordMined lands are reclaimed so the land can be used for other purposes after mining. At the La Plata Mine in New Mexico, post-mining land uses include livestock grazing and providing wildlife habitat.…Publication Date 1995-09-01
- Krascheninnikovia ceratoides
- top dressings
- Rhus trilobata
- Purshia tridentata
- Cercocarpus ledifolius
- Amelanchier alnifolia
- Juniperus osteosperma
- Artemisia frigida
- reclaimed land
- Pinus edulis
- Atriplex confertifolia
- soil types
- browse plants
- Chrysothamnus nauseosus
- coal mined land
- Atriplex canescens
- Artemisia tridentata
- Odocoileus hemionus
- shrubs
- Cervus elaphus canadensis
- botanical composition
- New Mexico
- plant height
- Library Collection RecordThree mixed prairie sites at Mandan, N.D. were grazed heavily (0.9 ha steer-1), moderately (2.6 ha steer-1), or left ungrazed (exclosure) since 1916. These sites provided treatments to study the…Publication Date 1995-09-01
- c4 species
- c3 species
- exclosures
- carbon
- organic matter
- stocking rate
- species differences
- Bouteloua gracilis
- nitrogen content
- range management
- botanical composition
- grazing
- prairie soils
- North Dakota
- Library Collection RecordSoil organic C, total N, extractable P, and salinity were evaluated after 12-16 years of protection from grazing in 2 native grassland sites which differed in frequency of soil waterlogging in the…Publication Date 1996-03-01
- flood meadows
- submergence
- inorganic phosphorus
- soil organic matter
- electrical conductivity
- site factors
- ratios
- grasslands
- soil salinity
- soil fertility
- forbs
- grazing intensity
- plant communities
- soil chemistry
- Argentina
- botanical composition
- grasses
- Library Collection RecordNormally the oceanic climate of Scotland maintains soils at low levels of soil water deficit. Field data for such a year are presented and compared with those for an unusually dry year, with the…Publication Date 1996-05-01
- cutting programs
- cambisols
- soil horizons
- cutting height
- water content
- Scotland
- hill grasslands
- air temperature
- yields
- rain
- phosphorus
- dry environmental conditions
- nitrogen content
- drought
- botanical composition
- forage
- soil water
- Library Collection RecordTallgrass prairies provide an important source of hay and summer forage in eastern Nebraska. A study was conducted in 1989 and 1990 on 2 late seral tallgrass prairies near Lincoln and Virginia,…Publication Date 1996-03-01
- Cyperaceae
- atrazine
- standing crop
- fires
- fire effects
- Nebraska
- Sorghastrum nutans
- prescribed burning
- Andropogon gerardii
- biomass production
- application rates
- fertilizer
- prairies
- botanical composition
- Library Collection RecordIn much of the west, seasonal rangeland provides important foraging opportunities for wild and domestic ungulates during times when forage is often limited. We studied the use of foraging areas by…Publication Date 1996-01-01
- terrain
- Cervus elaphus
- Oregon
- plant communities
- Odocoileus hemionus
- botanical composition
- rangelands
- beef cattle
- altitude
- Library Collection RecordThe ecological trends in the vegetation of the caldén (Prosopis caldenia Burk.) forest of central Argentina have generally been explained with a model that assumed a unique equilibrium state or…Publication Date 1995-09-01
- Prosopis caldenia
- wildfire management
- grassland improvement
- Prosopis
- climax communities
- ecological succession
- rain
- stocking rate
- overgrazing
- Argentina
- botanical composition
- grasses
- Library Collection RecordInformation is lacking on the influence of range condition on wildlife populations in the Chihuahuan Desert. Wildlife observations were made along transects on ranges in excellent and good ecological…Publication Date 1996-11-01
- arid grasslands
- wildlife
- species diversity
- range condition
- stocking rate
- pastures
- botanical composition
- grazing
- New Mexico
- Library Collection RecordMicrowave radar is a potentially useful tool for monitoring the condition of the rangeland. A study was conducted in a mixed prairie community at the Agriculture Canada Research Substation at Onefour…Publication Date 1994-09-01
- radar
- radar backscatter
- oversowing
- aerial photography
- Psathyrostachys juncea
- remote sensing
- Agropyron cristatum
- Alberta
- land restoration
- range management
- botanical composition
- rangelands
- canopy
- grazing
- Library Collection RecordChanges in woodland vegetation integrate the consequences of livestock grazing intensity, the alteration of fire regimes, and possible climate alterution, as well as other factors. Quantitative…Publication Date 1994-09-01
- pinyon-juniper
- ground cover
- understory
- species diversity
- fire ecology
- stocking rate
- range management
- botanical composition
- Utah
- grazing
- beef cattle
- Library Collection RecordFecal samples, evacuated rumen samples, and non-evacuated rumen samples were compared at different seasons as techniques for determining diet botanical composition of cattle. The study was conducted…Publication Date 1995-05-01
- fistulation
- rumen contents
- feces composition
- sampling
- seasonal variation
- botanical composition
- grazing
- New Mexico
- beef cattle
- Library Collection RecordTwo digestion trials, using 20 ram lambs (Experiment 1) and 8 cows (Experiment 2) provided ad libitum access to mature prairie grass hay, were conducted to evaluate controlled release intraruminal…Publication Date 1994-11-01
- hydrogen peroxide
- chromic oxide
- controlled release
- lambs
- cows
- lignin
- grazing experiments
- feces
- hay
- digestibility
- feed supplements
- botanical composition
- dry matter
- feed intake
- Library Collection RecordBotanical composition of llamas and sheep diets were quantified monthly during 1 year in the arid highlands of Bolivia to identify competition between these species for forage resources. Results…Publication Date 1994-05-01
- Bolivia
- performance
- Festuca
- llamas
- high altitude
- festuca orthopylla
- arid zones
- voluntary intake
- species differences
- diet
- digestibility
- shrubs
- sheep
- seasonal variation
- botanical composition
- grasses
- forage
- feeding preferences
- Library Collection RecordA Stipa-bouteloua community, cultivated in the autumn of 1928 and abandoned in the spring of 1932, reverted to a community dominated by needle-and-thread (Stipa comata Trin. and Rupr.). An exclosure…Publication Date 1994-01-01
- abandoned land
- soil organic matter
- Hesperostipa comata
- soil properties
- Alberta
- Bouteloua gracilis
- prairies
- range management
- botanical composition
- rangelands
- Library Collection RecordWe examined the diets of reintroduced tule elk (Cervus elaphus nannodes Merriam) and resident Columbian black-tailed deer (Odocoileus hemionus columbianus Richardson) inhabiting the coastal prairie-…Publication Date 1995-07-01
- coastal plant communities
- dietary overlap
- animal competition
- grasslands
- Cervus elaphus
- feces
- species differences
- Odocoileus hemionus
- California
- nitrogen content
- seasonal variation
- botanical composition
- forage
- feeding preferences
- Library Collection RecordThe hand-plucking method for estimation of bite size and nutritive quality was tested for steers grazing at low stocking rates on heathland and in riverine grassland. Vegetation height, standing crop…Publication Date 1995-07-01
- heathlands
- Netherlands
- bite size
- methodology
- riparian grasslands
- estimation
- cattle
- botanical composition
- grazing
- feed intake
- Library Collection RecordA 4-year study was conducted on Kansas Flint Hills bluestem range to monitor animal gain, grass, and forb standing biomass following grazing, plant population dynamics, and in 2 years, subsequent…Publication Date 1995-05-01
- feed conversion
- dressing percentage
- carcass weight
- sorghum
- Sorghastrum nutans
- warm-season grasses
- Schizachyrium scoparium
- Poa pratensis
- Kansas
- liveweight gain
- grazing experiments
- pastures
- Andropogon gerardii
- steers
- feed supplements
- biomass
- botanical composition
- grasses
- beef cattle
- Library Collection RecordLong-term influences of livestock grazing on vegetation around watering points was studied on 2 upland Chihuahuan desert ranges in southcentral New Mexico using regression analysis. One range had…Publication Date 1995-01-01
- drinking water
- arid zones
- stocking rate
- cattle
- range management
- botanical composition
- New Mexico
- poisonous plants
- Library Collection RecordStudies of harvest date by fertilizer interactions on hay meadows are rare and none have been published for prairie meadows. Our objective was to evaluate the effects of initial harvest date (15 June…Publication Date 1994-05-01
- Carex nebrascensis
- Alopecurus arundinaceus
- Alopecurus
- wetlands
- wetland soils
- harvest date
- grassland improvement
- Carex
- flooding
- yields
- nitrogen fertilizers
- cutting frequency
- Nebraska
- botanical composition
- dry matter
- Library Collection RecordQuantity and quality of forage produced are primary determinants of level of livestock production derived from grazing lands. Moreover, species composition of herbage is often considered a primary…Publication Date 1995-05-01
- fiber content
- crude protein
- biomass
- botanical composition
- Montana
- grasses
- forage
- Library Collection RecordApplication of nitrogen (N) fertilizer and atrazine [6-chloro-N-ethyl-N'-(l-methylethyl)-1,3,5-triazine-2,4-diamine] have each increased grazeable forage on shortgrass prairie, but their effects…Publication Date 1995-03-01
- prices
- marginal returns
- atrazine
- liveweight gain
- yields
- rain
- nitrogen fertilizers
- stocking rate
- steers
- Bouteloua gracilis
- prairies
- botanical composition
- grazing
- grasses
- Colorado
- beef cattle
- forage
- Library Collection RecordThis study was designed to provide information on cover, botanical composition, and frequency of major plant species in a brood-rearing area used by migratory geese south of Howe Island on the…Publication Date 1995-05-01
- Branta
- breeding places
- Alaska
- reindeer
- species diversity
- botanical composition
- Library Collection RecordInformation is limited on the influence of range condition on cattle diets in the Chihuahuan desert. Botanical composition of cattle diets on Chihuahuan desert ranges in excellent and good condition…Publication Date 1994-09-01
- Bouteloua eriopoda
- Sporobolus
- nutrient content
- Prosopis glandulosa
- arid lands
- feces
- diet
- phosphorus
- cattle feeding
- nitrogen content
- range management
- botanical composition
- grazing
- New Mexico
- beef cattle
- Library Collection RecordDiet, dietary selection, and nutritional composition of the food of sage grouse (Centrocercus urophasianus) hens were determined during the pre-laying period in southeastern Oregon in 1990 an 1991.…Publication Date 1994-03-01
- grouse
- Centrocercus urophasianus
- Artemisia
- diet
- Oregon
- botanical composition
- nutritive value
- feeding preferences
- Library Collection RecordEstimates of forage production for long-term ungrazed, lightly, moderately, and heavily grazed treatments (0, 20, 40, 60% removal of annual forage production) established in 1939 in shortgrass steppe…Publication Date 1994-03-01
- fluctuations
- steppes
- regression analysis
- rain
- biomass production
- grazing intensity
- semiarid zones
- botanical composition
- Colorado
- forage
- Library Collection RecordPlant available nitrogen limits production of native warm-season grasses on marginal farmland in the Southern Plains. In this western Oklahoma study, N was applied at 0, 35, 70, or 105 kg N ha-1 yr-1…Publication Date 1995-01-01
- Weeds
- yields
- nitrogen fertilizers
- sandy loam soils
- Oklahoma
- application rates
- drought
- botanical composition
- grasses
- Library Collection RecordThe sequence of species selection over the grazing period directly determines the effectiveness of different grazing systems. Knowledge of this sequence is also important in understanding the plant-…Publication Date 1995-07-01
- Tristachya
- tirstachya leucothrix
- Themeda triandra
- Eragrostis plana
- Hyparrhenia hirta
- South Africa
- veld
- tillers
- sheep
- cattle
- range management
- botanical composition
- defoliation
- grazing
- feeding preferences
- Library Collection RecordThe Sheep Creek watershed of northcentral Colorado provided an ideal site to collect baseline trend data and to estimate foliar cover responses of montane riparian vegetation. Percent relative cover…Publication Date 1994-01-01
- national forests
- treatments
- leaves
- riparian buffers
- plant communities
- botanical composition
- grazing
- Colorado
- Library Collection RecordThe slow and uncertain rate of recovery of plant communities after severe disturbance is a major problem on rangelands. Earlier studies sketched the outline of secondary succession on mixed-grass…Publication Date 1994-05-01
- species diversity
- ecological succession
- yields
- rain
- Bouteloua gracilis
- Wyoming
- botanical composition
- rangelands
- grazing
- grasses
- Library Collection RecordWiregrass (Aristida stricta Michx.)-dominated communities characterize extensive areas of South Florida that have been subjected to burning and uncontrolled grazing for decades. We evaluated the…Publication Date 1994-01-01
- Aristida stricta
- panicum oligosanthes
- burning
- Florida
- range management
- seasonal variation
- botanical composition
- rangelands
- grazing
- forage
- Library Collection RecordThe canopy of Quercus douglasii H. & A. (blue oak) has been variously reported to enhance or suppress understory production. The effects of canopy removal have been reported only for the northern…Publication Date 1994-03-01
- production
- microenvironments
- plant interaction
- understory
- Quercus douglasii
- rain
- California
- biomass
- botanical composition
- canopy
- forage
- Library Collection RecordFollowing an August wildfire, sagebrush (Artemisia L.)/grass benchlands adjacent to Pocatello, Ida., were seeded with a mixture of exotic wheatgrasses and forbs by rangeland drill in November 1987.…Publication Date 1995-09-01
- rehabilitation
- sown grasslands
- ground cover
- Artemisia
- steppes
- species diversity
- drilling
- fires
- fire effects
- rain
- Idaho
- botanical composition
- Library Collection RecordAbout 40,000 km2 of the caldénal in central semiarid Argentina are rangelands where the most important economic activity is cow-calf operations. Some information on forage species, mainly regarding…Publication Date 1993-11-01
- cattle
- seasonal variation
- Argentina
- botanical composition
- grazing
- feeding preferences
- Library Collection RecordThirteen grazing studies have recently documented diet botanical composition of cattle in tall forb plant communities on mountain rangelands. In forb-dominated plant communities, cattle selected…Publication Date 1992-11-01
- grazing trials
- mountain grasslands
- cattle feeding
- plant communities
- diets
- botanical composition
- Montana
- rangelands
- grazing
- forage
- feeding preferences
- Library Collection RecordThe effects of 3 brush cover proportions (Low Brush pasture: 52% brush/32% herbage, Medium Brush pasture: 62% brush/20% herbage, and High Brush pasture: 66% brush/12% herbage) on dietary selection of…Publication Date 1993-05-01
- Quercus coccifera
- availability
- Greece
- pastures
- shrubs
- diets
- goats
- seasonal variation
- botanical composition
- rangelands
- grazing
- forage
- Library Collection RecordResearch was conducted at the Sonora Research Station during a 4-year period (1984 to 1988) to measure differences in herbaceous vegetation response between two 7-pasture 1-herd grazing systems.…Publication Date 1993-03-01
- ewes
- dry matter accumulation
- grazing trials
- ecological succession
- stocking rate
- pastures
- heifers
- growth rate
- grazing intensity
- Texas
- botanical composition
- grazing
- forage
- Library Collection RecordThe nutritional value of Leucaena leucocephala (Lam.) de Wit was compared with that of 3 browse species native to western Tanzania: Antidesma venosum Mey. & Tul., Margaritaria discoides Baill.,…Publication Date 1993-09-01
- Leucaena leucocephala
- Antidesma
- phyllanthus reticulatus
- antidesma venosum
- margaritaria discoides
- nutrient content
- browse plants
- Tanzania
- diet
- goats
- botanical composition
- Library Collection RecordStocking rates and grazing strategies may alter botanical composition of rangeland vegetation by altering frequency and intensity of defoliation of individual plant species. We used long-interval…Publication Date 1993-03-01
- mixed pastures
- grazing trials
- stocking rate
- rotational grazing
- steers
- Pascopyrum smithii
- Bouteloua gracilis
- tillers
- grazing intensity
- botanical composition
- defoliation
- grazing
- forage
- Library Collection RecordThis study was conducted on Chihuahuan desert range near Las Cruces, in southcentral New Mexico, to determine the relationship of blacktailed jackrabbit (Lepus californicus) densities to good (GC)…Publication Date 1993-11-01
- Lepus californicus
- botanical composition
- rangelands
- New Mexico
- Library Collection RecordResearch on fire in tallgrass prairie focuses almost exclusively on dormant season fires, primarily in winter and spring. Relatively little is known about the response of tallgrass prairie vegetation…Publication Date 1993-11-01
- fires
- fire effects
- Oklahoma
- prairies
- botanical composition
- Library Collection RecordRegression equations were developed to predict 3 mass components of 7 browse species important to moose (Alces gigas) on the Copper River Delta in southcentral Alaska. The accuracy of model…Publication Date 1993-07-01
- mass
- Alces alces
- leaves
- stems
- browse plants
- Alaska
- regression analysis
- botanical composition
- Library Collection RecordKnowledge of comparative diet selection by cattle and black-tailed jackrabbits (Lepus californicus) would permit better estimation of grazing capacity on Chihuahuan desert ranges. Cattle and black-…Publication Date 1993-07-01
- Lepus californicus
- stocking rate
- diet
- cattle
- botanical composition
- New Mexico
- poisonous plants
- Library Collection RecordA 9-year grazing trial was conducted to compare shortgrass vegetation and steer responses under intensive-early stocking (IES) at 2 stocking rates to season-long stocking (SLS). The stocking rates…Publication Date 1993-03-01
- intensive forestry
- Kansas
- liveweight gain
- grazing trials
- stocking rate
- pastures
- steers
- sustainability
- botanical composition
- grazing
- beef cattle
- Library Collection RecordSoil water withdrawal and vegetation characteristics of mountain big sagebrush (Artemisia tridentala ssp. vaseyana Rydb. Beetie) areas sprayed with 2,4-D (2,4-Dichlorophenoxyacetic acid) were…Publication Date 1993-03-01
- 2,4-D
- brush control
- vegetation management
- chemical control
- soil water content
- biomass production
- Wyoming
- Artemisia tridentata
- botanical composition
- rangelands
- soil water regimes
- Library Collection RecordGraminoid standing crop in June 1985 on areas infested with white grubs (Phyllophaga anxia Leconte) (average density = 47 grubs m-2) was 92% less than on uninfested rangeland (average density < 2…Publication Date 1992-07-01
- Symphoricarpos occidentalis
- Artemisia absinthium
- Phyllophaga anxia
- stress response
- retrogression
- Weeds
- Infestation
- Poa pratensis
- ecological succession
- plant communities
- plant density
- prairies
- botanical composition
- North Dakota
- Library Collection RecordLadino white clover (Trifolium repens L.) is usually reestablished annually for cool-season and early warm-season pasture improvement. Careful pasture management during summer can encourage…Publication Date 1993-11-01
- Trifolium repens
- Louisiana
- botanical composition
- grazing
- Library Collection RecordThree methods for determining proportions of botanical components, i.e., grasses, legumes, and forbs (nonleguminous dicots), of continuously grazed Mediterranean pastures were compared. Percentage…Publication Date 1993-05-01
- Portugal
- determination
- specific contribution
- percentage contribution
- percentage of sward
- sward
- evaluation
- measurements
- pastures
- botanical composition
- Library Collection RecordRecent concerns about range condition measures are not the first concerns about measuring the health of rangelands. To examine why change has not occurred in this area, this paper explores the…Publication Date 1993-03-01
- theory
- climax communities
- plant ecology
- ecological succession
- botanical composition
- rangelands
- Library Collection RecordPopular assumptions about ecosystem stability and the delicate balance of nature are found lacking when examined in terms of paleoecological, historical and current biochronological, and…Publication Date 1992-07-01
- biogeography
- extinction
- Larrea tridentata
- Weeds
- ecosystems
- biological control
- evolution
- paleoecology
- climax communities
- vegetation management
- plant ecology
- population dynamics
- vegetation
- botanical composition
- Library Collection RecordFecal analysis was used to determine the relationships between white-tailed deer (Odocoileus virginianus couesi [Coues and Yarrow]) and cattle diets (Beef Master, Hereford and criollo), in Durango,…Publication Date 1993-11-01
- animal competition
- foraging
- Mexico
- Odocoileus virginianus
- diet
- cattle
- botanical composition
Pagination
- First page
- Previous page
- …
- 2
- 3
- 4
- 5
- 6
- …
- Next page
- Last page