Rangeland Ecology & Management
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- Library Collection RecordManagement of legume-improved annual range forage is made difficult by the rapid declines in nutritive quality and animal gains as the plants mature. An improved ability to predict occurrence of the…Publication Date 1989-09-01
- Trifolium hirtum
- liveweight gain
- steers
- California
- application rates
- fertilizer
- Library Collection RecordSeasonal herbaceous production was measured beneath tree canopies of blue oak (Quercus douglasii Hook & Arn.), interior live oak (Quercus wislizenii DC), and digger pine (Pinus sabiniana Dougl…Publication Date 1989-07-01
- seasonal development
- dry matter accumulation
- woodland grasslands
- Quercus douglasii
- Quercus wislizeni
- Pinus sabiniana
- growth rate
- California
- dry environmental conditions
- drought
- forage
- water stress
- Library Collection RecordThe need for forage plants that are productive in, and adapted to, semiarid conditions prompted us to examine the range and independence of assortment of nutritional qualities of wild stands of…Publication Date 1988-03-01
- Salsola
- water soluble compounds
- acid detergent fiber
- Southwestern United States
- physicochemical properties
- nitrates
- oxalates
- lignin
- crude protein
- California
- semiarid zones
- in vitro digestibility
- Texas
- Nevada
- nutritive value
- New Mexico
- Arizona
- forage
- dry matter
- Library Collection RecordOn California's winter annual rangelands precipitation controls the beginning and end of the growing season while temperature largely controls seasonal growth rates within the growing season.…Publication Date 1988-05-01
- weather patterns
- livestock feeding
- factors of production
- yield factors
- correlation
- seasonal growth
- heat sums
- forage crops
- liveweight gain
- sampling
- California
- temperature
- rangelands
- Library Collection RecordThe use of anti-predator electric fences for reducing predation on sheep was investigated by interviewing 101 sheep producers in the Pacific Northwest. Significant reductions in sheep losses to…Publication Date 1988-05-01
- sheep farming
- dogs
- electric fences
- farm surveys
- coyotes
- predator control
- efficiency
- Washington
- Oregon
- California
- Library Collection RecordVolume, crown diameter, and number of twigs were all highly correlated with biomass of individual shrubs of bitterbrush (Purshia tridentata (Pursh) DC), greenleaf manzanita (Arctostaphylos patula…Publication Date 1988-01-01
- volume
- biomass determination
- prediction
- estimation
- woody plants
- California
- rangelands
- dry matter
- Library Collection RecordThe rising plate meter (RPM) was used to determine forage production and livestock utilization in a rotational grazing system on improved annual pasture in California. Prior to rotating livestock,…Publication Date 1986-09-01
- meters
- growth analysis
- digestible energy
- rotational grazing
- California
- range management
- livestock
- forage
- Library Collection RecordInfluences of grazing intensity on species composition and herbage production of grass-woodland and improved grassland subtypes of annual range were evaluated over a 5-year period in coastal northern…Publication Date 1987-03-01
- grassland utilization
- grasslands
- responses
- yields
- productivity
- grazing intensity
- California
- sheep
- botanical composition
- rangelands
- grazing
- forage
- Library Collection RecordAn 8-year (1961-1968) study at the San Joaquin Experimental Range, in the Sierra Nevada foothills in central California, compared continuous, repeated seasonal, and rotated seasonal grazing on native…Publication Date 1986-11-01
- annuals
- grasslands
- liveweight gain
- responses
- grazing experiments
- reproductive performance
- California
- cattle
- rangelands
- grazing
- Library Collection RecordMule deer (Odocoileus hemionus) in the Sierra Nevada rely heavily on mountain whitethorn (Ceanothus cordulatus, Kell.) and deerbursh (C. integerrimus, H&A) as summer forage. In this study,…Publication Date 1986-11-01
- digestible energy
- Ceanothus cordulatus
- Ceanothus integerrimus
- photoperiod
- mixed conifers
- digestibility
- crude protein
- Odocoileus hemionus
- California
- seasonal variation
- nutritive value
- forage
- Library Collection RecordWe illustrate the use of life tables and survival analysis for evaluating data on livestock losses. The techniques are used to compare the rate of coyote (Canis latrans) predation on single and twin…Publication Date 1987-03-01
- twins
- life tables
- coyotes
- lambs
- probability analysis
- predation
- mortality
- California
- Library Collection RecordA real-time system for recording grazing behavior in the field is described. A NEC 8201a portable computer was programmed to allow the incidence, duration, and sequence of behaviors to be recorded.…Publication Date 1987-05-01
- computers
- portable instruments
- recording
- data collection
- computer techniques
- California
- grazing behavior
- cattle
- Library Collection RecordSeasonal diets of native Columbian black-tailed deer (Odocoileus hemionus columbianus) and exotic axis deer (Axis axis axis), fallow deer (Dama dama dama), and cattle (Bos taurus) on Point Reyes…Publication Date 1985-09-01
- coasts
- coastal plant communities
- feeding habits
- rumen contents
- California
- Cervidae
- competition
- cattle
- botanical composition
- rangelands
- grazing
- Library Collection RecordSeasonal diets of native Columbian black-tailed deer (Odocoileus hemionus columbianus) and exotic axis deer (Axis axis axis), fallow deer (Dama dama dama), and cattle (Bos taurus) on Point Reyes…Publication Date 1985-11-01
- California
- diets
- Cervidae
- Cervus dama
- Odocoileus
- competition
- axis axis
- cattle
- seasonal variation
- feeding preferences
- Library Collection RecordChanges in botanical composition and productivity of total herbage and 14 categories of annual range plants caused by elemental sulfur fertilization, range site, and precipitation were studied. Total…Publication Date 1985-03-01
- sulfur fertilizers
- grasslands
- productivity
- pastures
- California
- botanical composition
- Library Collection RecordNutritional composition of sheep diets from a serpentine barrens range site was determined at various seasons and stages of plant growth and compared to diets from 3 other annual range sites. Sheep…Publication Date 1986-01-01
- serpentine soils
- nutrient contents of plants
- digestibility
- California
- sheep
- diet studies
- grazing behavior
- rangelands
- Library Collection RecordPredation at the University of California Hopland Field Station was evaluated for an 11-year period beginning in 1973. Of those lambs placed on range, an average of 2.7% were killed each year by…Publication Date 1985-09-01
- coasts
- losses
- predators
- California
- sheep
- rangelands
- Library Collection RecordA 6-year study was conducted to evaluate the response of California annual range to triennial applications of sulfur only and sulfur plus nitrogen fertilizer. Range response was evaluated in terms of…Publication Date 1986-03-01
- seasonal growth
- sulfur fertilizers
- liveweight gain
- fertilizer application
- nitrogen fertilizers
- stocking rate
- beef production
- California
- crop yield
- rangelands
- grazing
- beef cattle
- forage
- Library Collection RecordThe objective of this study was to evaluate the use of supplement blocks on body weight change, blood parameters, and lambing performance of ewes grazing dry, annual grasses during the summer prior…Publication Date 1985-07-01
- Targhee
- supplementary feeds
- ewes
- grazing experiments
- dry seasons
- California
- rangelands
- grasses
- Library Collection RecordFactors possibly associated with high (over 5%) and low (0-5%) predation intensities were compared among 95 sheep or goat producers in 5 states to determine if important differences were evident…Publication Date 1984-09-01
- losses
- predation
- ranching
- Idaho
- Oregon
- California
- sheep
- goats
- Texas
- North Dakota
- Library Collection RecordSeasonal variation in total nonstructural carbohydrate (TNC) levels in rhizomes and shoots of Nebraska sedge (Carex nebraskensis Dewey) suggest that grazing too early or too late or both may be…Publication Date 1984-09-01
- carbohydrates
- Carex
- California
- seasonal variation
- Library Collection RecordMeasurements obtained between 1968 and 1976 indicate the influence of climatic factors and soil characteristics upon soil moisture and production of perennial vegetation in the northern Mojave Desert…Publication Date 1984-01-01
- deserts
- California
- Nevada
- Library Collection RecordDuring a study of grazing in the Great Basin, using the grazed plant method used for measuring utilization, we noticed a bias in the step point technique used to select plants. Subsequent…Publication Date 1983-09-01
- Oregon
- California
- Library Collection RecordSulfur deficiencies are widespread on the rangeland soils of California and the application of sulfur-bearing fertilizers has been widely recognized as a promising range improvement on these soils.…Publication Date 1983-05-01
- California
- Trifolium subterraneum
- Library Collection RecordThe larvae of the range crane fly (Tipula simplex) are responsible for extensive damage to rangeland of the central valley of California, but the damage occurs infrequently in years when there are…Publication Date 1983-09-01
- California
- Library Collection RecordNebraska sedge (Carex nebraskensis Dewey), a valuable and distinct species, can withstand a high degree of defoliation by livestock without being seriously damaged. To understand this species better…Publication Date 1983-07-01
- California
- Sierra National Forest
- cattle grazing
- Library Collection RecordIn northwestern California moisture is usually not limiting for range production during the annual winter-spring growing season. It is, therefore, important to understand how other site factors, both…Publication Date 1983-07-01
- California
- Trifolium subterraneum
- coastal California
- Library Collection RecordA glasshouse study was conducted to determine how nonfertilized and fertilized soils collected in creosotebush [Larrea tridentata (DC.) Cov.] communities would influence seedling leaf growth and…Publication Date 1983-11-01
- California
- Texas
- New Mexico
- Arizona
- Library Collection RecordDiammonium phosphate (DAP), air-dropped in early autumn 1974 to contain a wildfire on the San Joaquin Experimental Range in California, applied high levels of nitrogen and phosphorus to foothill…Publication Date 1982-11-01
- annual grasslands
- Fire Retardant
- diammonium phosphate
- DAP
- drop
- range readiness
- wildfire
- San Joaquin Experimental Range
- phosphorus
- responses
- precipitation
- soil moisture
- composition
- forbs
- nitrogen
- grasses
- species composition
- California
- Library Collection RecordA cost evaluation was conducted of four alternatives for improvements on maturing western juniper (Juniperus occidentalis) woodlands. The alternatives were: (a) the use of picloram (4-amino-3,5,6-…Publication Date 1982-07-01
- California
- Juniperus occidentalis
- Library Collection RecordStudy began in 1977 at Blodgett Forest Research Station near Georgetown, California, to look at the effects of cattle and deer grazing on mixed conifer plantations. Cattle graze the study area from…Publication Date 1983-03-01
- California
- grazing
- vegetation management
- Library Collection RecordThe usefulness of a conceptual framework for understanding food selection by ungulates, based on four morphological parameters (body size, type of digestive system, rumino-reticular volume to body…Publication Date 1982-03-01
- California
- Nevada
- Library Collection RecordThe relative habitat preferences of feral hogs (Sus scrofa), black-tailed deer (Odocoileus hemionus columbianus), and cattle were assessed for 17 habitat types by sampling the distribution and…Publication Date 1982-05-01
- California
- interspecific competition
- irrigated pastures
- Library Collection RecordSoil samples representing six major forest soil series and two meadow unclassified types were collected from 17 locations on critical deer migration routes in the central Sierra Nevada, California.…Publication Date 1982-03-01
- California
- Library Collection RecordRate of herbage decomposition may be related to maintenance and improvement of mountain meadows and may provide a guide to proper use. Weight losses from buried and unburied native herbage and filter…Publication Date 1980-07-01
- California
- Library Collection RecordGrowth rates of southern California grassland species showed significant correlation with rainfall from November 1972 to June 1973. Maximum growth for the species ripgut grass, foxtail chess, wild…Publication Date 1978-11-01
- California
- Library Collection RecordManipulation of natural mulch on nine experimental plots in California annual grassland representing a range of mean annual precipitation from 160 to 16 cm provided information useful for grazing…Publication Date 1980-01-01
- California
- Library Collection RecordThe nematode community structure was examined in grazed and ungrazed annual-plant rangeland on the US/IBP Grassland Biome San Joaquin Site located in the foothill-grasslands of central California.…Publication Date 1979-11-01
- California
- Library Collection RecordChamise (Adenostoma fasciculatum) undergoes major structural changes in above-ground biomass along a gradient of increasing stand age since fire. Shrub growth in volume and biomass is rapid through…Publication Date 1979-11-01
- California
- Library Collection RecordImpact of feral burros on native desert vegetation was studied in the Havasu Resource Area, Lower Colorado River Valley, California-Arizona. Browse utilization ranged from heavy to light with…Publication Date 1977-09-01
- California
- Library Collection RecordSixteen years of data were evaluated to determine the influence of annual weather patterns and a brush conversion project on subsequent runoff from an 86.2-ha watershed. Grassy vegetation released 39…Publication Date 1978-01-01
- California
- Library Collection RecordSome aspects of forage production, utilization, and percent cover were studied on Santa Catalina Island from July 1971 through April 1973. Food habits of feral goats (Capra hircus) were examined in…Publication Date 1977-11-01
- California
- Library Collection RecordA strong relationship between precipitation (but not temperature) and standing crop is evident for the dominant species of a southern California grassland. The sub-dominant species showed no…Publication Date 1976-09-01
- California
- Library Collection RecordHeight-weight data were systematically collected to provide a basis for determining utilization for wet mountain meadows occurring on the Summit Allotment of the Sequoia National Forest. Comparison…Publication Date 1976-11-01
- California
- Library Collection RecordDrip irrigation may be an efficient and effective technique for revegetation of steep slopes in an arid environment. Where supplemental irrigation may be necessary for plant establishment, drip…Publication Date 1977-03-01
- California
- Library Collection RecordThe effect of amount of mulch, nitrogen fertilizer, and clipping frequency was studied on herbage and seed production of annual ryegrass (Lolium multiflorum Lam.) seeded on a burned brushland in…Publication Date 1976-05-01
- California
- Library Collection RecordBetween January and March burros spent from 60 to 78.7% of their time on the interfluves. In April, habitat use was predominantly in washes, with a high of 58.5% in July. During the summer months,…Publication Date 1976-11-01
- California
- Library Collection RecordTotal forage yield from 1936 to 1970 and yields of grasses, legumes, and forbs other than legumes for 24 years on the same area of annual rangeland on the San Joaquin Experimental Range in central…Publication Date 1975-07-01
- California
- Library Collection RecordThe responses to fertilization and moisture of several of the principal grass species of the California annual type were measured in a field study in Southern California. Treatment plots were…Publication Date 1976-01-01
- California
- Library Collection RecordSix years following type conversion of a chaparral plot in southern California, density per acre and number of shrub species were reduced by 79.7% and 40%, respectively. Replanting following brush…Publication Date 1974-07-01
- California