Rangeland Ecology & Management
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- Library Collection RecordLivestock have been a key factor in the development of civilization, but what will their role be in the future and how should the science of rangeland management change to meet the challenges of the…Publication Date 1995-07-01
- interdisciplinary research
- adverse effects
- environmental impact
- stocking rate
- selective grazing
- rotational grazing
- range management
- defoliation
- literature reviews
- livestock
- grazing
- Library Collection RecordBased on recent circumstances in connection with compensation of livestock killed by large, protected carnivores in Norway, this paper discusses what type of logic should be used to establish which…Publication Date 1994-03-01
- philosophy
- tracks
- argumentation
- proof
- losses
- predation
- Norway
- Ursus arctos
- livestock
- Library Collection RecordA survey on the levels of the neurotoxic diterpenoid alkaloid methyllycaconitine (MLA) in low larkspur (Delphinium nuttallianum Pritz.) was conducted at rangeland sites in southern British Columbia.…Publication Date 1993-03-01
- rumen microorganisms
- delphinium menziesii
- metabolic detoxification
- alkaloids
- neurotoxins
- rumen fluids
- poisoning
- British Columbia
- cattle
- rumen fermentation
- Delphinium
- chemical constituents of plants
- poisonous plants
- altitude
- delphinium nuttallianum
- methyllycaconitine
- 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 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 RecordIn the tropical Andean environments little is known about the relationship between weed dispersal and disturbances caused by cattle. We propose that abundance and dispersal of the Venezuelan Andean…Publication Date 1993-11-01
- Acaena
- vectors
- Venezuela
- plant introduction
- cattle
- Library Collection RecordLeafy spurge (Euphorbia esula L.) represents a serious threat to the productivity and profitability of many cattle ranches in the midwestern U.S. Sheep and goats will graze the weed, but cattle…Publication Date 1993-07-01
- Euphorbia esula
- cattle
- feeding preferences
- Library Collection RecordLand managers of salt desert shrub and sagebrush steppe vegetation have concerns regarding appropriate stocking rates in summer for ephemeral stream riparian zones because of elevated levels of use…Publication Date 1992-07-01
- Populus deltoides
- crop quality
- streams
- habitat selection
- highlands
- protein content
- riparian buffers
- stocking rate
- crude protein
- Wyoming
- plant communities
- grazing behavior
- cattle
- seasonal variation
- forage
- dry matter
- Library Collection RecordCattle grazing has been suggested as a principal cause for poor oak recruitment in California's hardwood rangelands. This study evaluated the effects of stock density and season of grazing on…Publication Date 1992-09-01
- crop damage
- recruitment
- Quercus douglasii
- seedlings
- stocking rate
- winter
- spring
- summer
- grazing intensity
- browsing damage
- California
- woodlands
- cattle
- range management
- seasonal variation
- grazing
- Library Collection RecordCaldén (Prosopis caldenia Burkart) is the dominant tree of the xerophytic open forest in the semiarid pampa of Argentina. caldén has gradually increased its distribution throughout the region during…Publication Date 1993-11-01
- testa
- scarification
- Prosopis
- viability
- feces
- cattle
- seed germination
- Library Collection RecordBecause of widespread concern about cattle grazing effects on riparian zones of public lands, seasonal habitat selection by cattle was studied along a cold desert area ephemeral waterway of…Publication Date 1992-07-01
- crop quality
- streams
- habitat selection
- highlands
- protein content
- riparian buffers
- crude protein
- Wyoming
- grazing behavior
- cattle
- seasonal variation
- grazing
- forage
- dry matter
- feeding preferences
- Library Collection RecordExperiments were conducted to investigate efficiency in analysis of fecal samples by near infrared reflectance spectroscopy (NIRS) to predict cattle forage diet quality. Stability of fecal samples…Publication Date 1993-05-01
- sample processing
- handling
- chemical analysis
- organic matter
- evaluation
- feces composition
- infrared spectroscopy
- digestibility
- crude protein
- diets
- cattle
- nutritive value
- forage
- Library Collection RecordA 3-year field study was conducted near Grassrange, Montana. (Latitude 46 degrees 50'N and Longitude 108 degrees 50'W) to determine the effect of leafy spurge (Euphorbia esula L.) shoot…Publication Date 1992-07-01
- Euphorbia esula
- weed control
- chemical control
- pastures
- grazing behavior
- cattle
- plant density
- picloram
- Montana
- forage
- Library Collection RecordElk (Cervus elaphus Linnaeus), mule deer (Odocoileus hemionus Rafinesque), and cattle (Bos taurus Linnaeus) distributions were determined year round from 1975-1979 on a rest-rotation grazing system…Publication Date 1993-05-01
- population distribution
- mountains
- mountain areas
- sloping land
- highlands
- habitats
- Cervus elaphus
- Idaho
- rotational grazing
- Odocoileus hemionus
- grazing behavior
- cattle
- grazing
- altitude
- Library Collection RecordWhitetop or heart-podded hoary cress (Cardaria draba (L.) Desv.) is an Eurasian native of the Cruciferae actively invading rangelands throughout western North America. The plant is reported to be…Publication Date 1993-05-01
- Lepidium draba subsp. draba
- glucosinolates
- toxicity
- nutrient content
- poisonous weeds
- pastures
- sheep
- cattle
- in vitro digestibility
- nutritive value
- forage
- chemical constituents of plants
- Library Collection RecordNonindustrial private forest landowners (NIPF) control 21.4% of Washington's commercial forestland, much of which produces forage. Resident NIPF owners in 3 regions in the state were surveyed to…Publication Date 1993-01-01
- silvopastoral systems
- private forestry
- motivation
- perception
- surveys
- landowners
- Washington
- livestock
- grazing
- Library Collection RecordBecause of the ongoing controversy about shrub forage value for different ungulates and significance of the shrub communities for spring-fall grazing in southcentral Wyoming, the relative importance…Publication Date 1992-11-01
- livestock-wildlife relationships
- common use grazing
- common lands
- wildlife
- Purshia tridentata
- browse plants
- Cervus elaphus
- Antilocapra americana
- mountain grasslands
- Wyoming
- Artemisia tridentata
- plant communities
- Odocoileus hemionus
- shrubs
- diets
- sheep
- cattle
- rangelands
- grasses
- forage
- 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 RecordRevegetation of disturbed rangelands in western Canada is severely impeded by cattle grazing. Fencing to protect emergent vegetation is costly and restricts animal movement. Chemically repelling…Publication Date 1993-09-01
- Alberta
- grazing behavior
- cattle
- canopy
- Library Collection RecordAccumulation of wolf plants in rangeland pastures frequently results in waste or incomplete utilization of high quality forage by cattle. The objective of this research was to establish the degree of…Publication Date 1992-07-01
- crop growth stage
- Agropyron desertorum
- palatability
- grazing behavior
- cattle
- plant density
- phenology
- forage
- feeding preferences
- Library Collection RecordLocoweed poisoning generally occurs in early spring. We evaluated cattle grazing of woolly locoweed (Astragalus mollissimus var. mollissimus Torr.) at Gladstone, N.M., and of white locoweed (…Publication Date 1993-09-01
- Oxytropis sericea
- Astragalus mollissimus
- feeding behavior
- cattle
- New Mexico
- Library Collection RecordChanges in rangeland vegetation integrate the consequences of livestock grazing intensity and possible climate change, as well as other factors. Because vegetation changes tend to be very slow in dry…Publication Date 1992-11-01
- xerophytes
- Krascheninnikovia
- Hilaria
- change
- Hilaria jamesii
- eremosemium spinosa
- Achnatherum hymenoides
- ecological succession
- Chrysothamnus viscidiflorus
- vegetation
- Artemisia tridentata
- plant communities
- rangelands
- Utah
- livestock
- grazing
- Library Collection RecordResearch on the response of livestock gain to stocking rate tends to cluster into 5 "invisible colleges", represented by 5 citation networks which only occasionally intersect. Each college…Publication Date 1993-09-01
- publication
- journals
- liveweight gain
- stocking rate
- cattle
- 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
- Library Collection RecordPaper presented at the "Symposium on Ingestion of Poisonous Plants by Livestock," February 15, 1990, Reno, Nevada. Traditionally, effects of plant toxins on livestock have been measured…Publication Date 1992-01-01
- neurotoxins
- toxicology
- taste
- neurobehaioral toxicology
- respondent behahvior
- operant behavior
- taste aversion
- palatability
- animal behavior
- feeding behavior
- sheep
- cattle
- poisonous plants
- Library Collection RecordCharacterization of standing herbaceous biomass on rangeland is complicated by both temporal and spatial variability that results from patchiness in vegetation. These patches often cause nonuniform…Publication Date 1992-05-01
- mixed pastures
- frequency distribution
- Buchloe dactyloides
- mathematical models
- spatial variation
- prediction
- temporal variation
- Bouteloua gracilis
- grazing intensity
- cattle
- biomass
- grazing
- plant height
- Library Collection RecordCattle at a light stocking rate of 0.17 to 0.18 AUM/ha over a 35-day grazing season in summer preferred to graze on lowland range sites, while elk in winter preferred upland range sites. We changed…Publication Date 1991-05-01
- animal competition
- sloping land
- foraging
- highlands
- lowlands
- habitats
- site factors
- soil types
- stocking rate
- pastures
- winter
- Wyoming
- grazing intensity
- Cervus elaphus canadensis
- grazing behavior
- cattle
- Library Collection RecordFour potential cattle grazing systems on summer range in the Sierra Nevada are compared in terms of deer harvest, number of hunters attracted, and the net economic value of hunting. Research on deer…Publication Date 1991-07-01
- net economic benefit
- national forests
- carrying capacity
- population density
- economic analysis
- hunting
- multiple land use
- pastures
- rotational grazing
- grazing intensity
- Odocoileus hemionus
- California
- cattle
- range management
- rangelands
- Library Collection RecordFreeze drying, conventional oven drying, and microwave oven drying were compared with respect to their effect on the chemical composition of native range forage and feces from cattle grazing the…Publication Date 1991-09-01
- convection dryers
- freeze drying
- forage dryers
- microwave dryers
- drying
- feces composition
- fiber content
- feces
- chemical composition
- pastures
- cattle
- forage
- Library Collection RecordPaper presented at the "Symposium on Ingestion of Poisonous Plants by Livestock," February 15, 1990, Reno, Nevada. Animals can be trained to avoid eating specific foods by offering them the…Publication Date 1992-01-01
- learning
- training (animals)
- avoidance conditioning
- Delphinium barbeyi
- feeding behavior
- livestock
- grazing
- poisonous plants
- 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 RecordTwo trials were conducted to compare diet samples collected in the evacuated rumen or through the esophageal fistula. Hypotheses tested were (1) rumen evacuation would not decrease selectivity, (2)…Publication Date 1991-09-01
- rumen
- fistulation
- grazing trials
- rumen contents
- chemical composition
- sampling
- esophagus
- cattle
- forage
- feed intake
- Library Collection RecordThe effects of late fall grazing, application of picloram (4 amino-3,5,6-trichloro-2-pyridinecarboxylic acid), and seeding on the reinfestation by knapweed (Centaurea diffusa Lam.) were investigated…Publication Date 1992-03-01
- crop mixtures
- Medicago sativa
- Centaurea diffusa
- biological control
- British Columbia
- sown grasslands
- Psathyrostachys juncea
- Agropyron cristatum
- weed control
- chemical control
- cattle
- picloram
- plant competition
- rangelands
- grazing
- Library Collection RecordThe accuracy of microhistological techniques for analysis of herbivore diets was evaluated with cattle, sheep, and Angora goats fed grass, forb, and shrub mixtures of known botanical compositions.…Publication Date 1992-03-01
- feces analysis
- assessment
- feces composition
- shrubs
- diets
- sheep
- goats
- cattle
- botanical composition
- grasses
- New Mexico
- forage
- feeding preferences
- Library Collection RecordPaper presented at the "Symposium on Ingestion of Poisonous Plants by Livestock," February 15, 1990, Reno, Nevada. Many poisonous plants grazed by livestock on ranges and pastures in the…Publication Date 1992-01-01
- neonates
- Veratrum
- Nicotiana
- Conium
- lupins
- malformations
- teratogens
- abortion
- Oxytropis
- Astragalus
- Lupinus
- toxicology
- poisoning
- toxicity
- phytotoxins
- death
- literature reviews
- livestock
- poisonous plants
- Library Collection RecordPaper presented at the "Symposium on Ingestion of Poisonous Plants by Livestock," February 15, 1990, Reno, Nevada. Livestock poisoning by plants is one of the serious causes of economic…Publication Date 1992-01-01
- livestock and meat industry
- losses
- economic impact
- toxicity
- Western United States
- sheep
- cattle
- forage
- poisonous plants
- Library Collection RecordThe impact of grazing animals and plant protection on shrub seedling establishment was studied in 2 separate experiments. A total of 3,665 seedlings were monitored for survival during a sheep grazing…Publication Date 1992-05-01
- colonizing ability
- biological control
- site factors
- Agropyron desertorum
- brush control
- mortality
- seedlings
- pastures
- Artemisia tridentata
- sheep
- cattle
- Utah
- grazing
- Library Collection RecordPaper presented at the "Symposium on Ingestion of Poisonous Plants by Livestock," February 15, 1990, Reno, Nevada. Three species of tall larkspur (Delphinium barbeyi (Huth), Delphinium…Publication Date 1992-01-01
- Delphinium glaucescens
- Delphinium occidentale
- alkaloids
- toxicity
- Delphinium barbeyi
- cattle
- seasonal variation
- chemical constituents of plants
- poisonous plants
- diterpenoid alkaloids
- Library Collection RecordVariable weather, forage production, weed and pest problems, and livestock prices contribute to uncertainty in range livestock production. Because returns from livestock production, in which…Publication Date 1991-05-01
- prices
- econometric models
- stochastic processes
- variability of returns
- risk
- costs and returns
- animal production
- stocking rate
- profitability
- sustainability
- range management
- livestock
- forage
- Library Collection RecordThe root periscope/mini-rhizotron technique has been used most commonly to monitor root growth of field crops in a nondestructive manner. This study introduces a successful application of the…Publication Date 1991-05-01
- field experimentation
- Dactylis glomerata
- methodology
- roots
- monitoring
- growth rate
- cattle
- defoliation
- grazing
- Library Collection RecordThe government must manage public rangeland in the face of alternative multiple use interests, including wildlife and domestic livestock production. The objectives of this study were to estimate a…Publication Date 1991-07-01
- linear programming
- mixed grazing
- production possibilities
- economic benefits
- production possibilities frontier
- marginal rates of substitution
- marginal returns
- animal production
- multiple land use
- cost-benefit analysis
- stocking rate
- Antilocapra americana
- biomass production
- Wyoming
- grazing intensity
- cattle
- range management
- rangelands
- forage
- Library Collection RecordThis paper discusses the criteria needed for quantitative evidence of overgrazing and outlines some of the main pasture and external factors that promote overgrazing by herbivores. Overgrazing is…Publication Date 1991-09-01
- wool production
- econometric models
- animal production
- economic analysis
- stocking rate
- pastures
- sheep
- overgrazing
- cattle
- rangelands
- Library Collection RecordPaper presented at the "Symposium on Ingestion of Poisonous Plants by Livestock," February 15, 1990, Reno, Nevada. A complex relationship exists between the presence of toxins in a plant…Publication Date 1992-01-01
- Oxytropis
- Astragalus
- swainsonine
- pyrrolizidine alkaloids
- weed palatability
- poisoning
- toxicity
- poisonous weeds
- Senecio
- phytotoxins
- livestock
- chemical constituents of plants
- Library Collection RecordThe effect of late-autumn cattle grazing on plant biomass was examined in a western Great Plains cottonwood riparian zone prone to catastrophic flooding every 5-8 years. Following 1 year of pre-…Publication Date 1991-07-01
- autumn
- Populus
- floodplains
- Spartina
- Spartina pectinata
- environmental impact
- community ecology
- Populus deltoides subsp. monilifera
- standing biomass
- community composition
- riparian grasslands
- Salix
- leaves
- controlled grazing
- plant ecology
- flooding
- riparian buffers
- biomass production
- cattle
- biomass
- botanical composition
- grazing
- Colorado
- forage
- Library Collection RecordSheep are more resistent to larkspur poisoning than cattle. Grazing larkspur with sheep before cattle turn-in may reduce the threat of cattle poisoning. Two 2.1-ha pastures were established in Upper…Publication Date 1992-03-01
- loss prevention
- Delphinium glaucescens
- biological control
- poisonous weeds
- weed control
- pastures
- sheep
- cattle
- Montana
- grazing
- Library Collection RecordPaper presented at the "Symposium on Ingestion of Poisonous Plants by Livestock," February 15, 1990, Reno, Nevada. Stocking rate, multi-species grazing, and grazing systems are 3 components…Publication Date 1992-01-01
- Hymenoxys odorata
- Nolina
- nolina texana
- mixed grazing
- losses
- toxicity
- Quercus
- stocking rate
- death
- sheep
- goats
- cattle
- Texas
- grazing
- poisonous plants
- Library Collection RecordEsophageal fistulated animals are used to collect samples of the forage being consumed by animals in grazing experiments. Four principal hypotheses (H) can be tested in esophageal trials: (1)…Publication Date 1991-07-01
- livestock feeding
- fistulation
- clipping
- experimental design
- grazing trials
- statistical analysis
- pastures
- sampling
- esophagus
- livestock
- forage
- feeding preferences
- Library Collection RecordAn automated system to weigh and sort free-ranging cattle was adapted to administer cottonseed pellets (41% crude protein) to free-ranging cattle. The frequency with which animals drank water…Publication Date 1992-05-01
- sorting
- cottonseed protein
- free range husbandry
- weight determination
- automation
- drinking
- body weight
- dietary supplements
- cattle feeding
- cattle
- Library Collection RecordPaper presented at the "Symposium on Ingestion of Poisonous Plants by Livestock," February 15, 1990, Reno, Nevada. Improved usage of rangelands for livestock production requires better ways…Publication Date 1992-01-01
- biotransformation
- rumen microorganisms
- metabolic detoxification
- toxicity
- tolerance
- ruminants
- literature reviews
- livestock
- chemical constituents of plants
- poisonous plants
- Library Collection RecordVegetational response of a nine-paddock, short-duration grazing cell was compared to that of a continuous pasture for a 5-year period in southcentral New Mexico. Differences in vegetational response…Publication Date 1991-07-01
- grazing time
- vegetation cover
- standing crop
- stocking rate
- pastures
- vegetation
- Bouteloua gracilis
- biomass production
- grazing intensity
- cattle
- biomass
- range management
- botanical composition
- grazing
- New Mexico
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