Rangeland Ecology & Management
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- Library Collection RecordTraditional methods of monitoring brush canopies such as ground survey and aerial photography are not cost effective for large areas. This experiment compared photo-estimated brush canopy closure to…Publication Date 1986-05-01
- brushwood and scrub
- multispectral scanning system
- Landsat
- biomass determination
- remote sensing
- brush control
- indexes
- vegetation
- Texas
- rangelands
- canopy
- Library Collection RecordSuccessful rangeland management plans begin with proper plant identification. This website provides a description, identifying characteristics, the geographic distribution and a habitat description…
- Weeds
- plants
- grasses
- Texas
- Library Collection RecordEstablishment of fourwing saltbush [Atriplex canescens (Pursh) Nutt.] on rangelands in western Texas could improve forage production and quality. Three experiments were conducted to evaluate…Publication Date 1986-09-01
- growth analysis
- Bouteloua curtipendula
- Atriplex canescens
- mortality
- Texas
- establishment
- plant competition
- rangelands
- forage
- Library Collection RecordWe investigated effects of fall burning of gulf cordgrass (Spartina spartinae) rangeland on winter diets and liveweight gains of cattle on the Texas Coastal Prairie during 1979-1981. Gulf cordgrass…Publication Date 1986-05-01
- crude protein
- spartina spartinae
- autumn
- Nassella leucotricha
- liveweight gain
- grazing trials
- pastures
- prescribed burning
- digestibility
- diets
- cattle
- Texas
- forage
- feeding preferences
- Library Collection RecordIn the greenhouse, kleingrass [Panicum coloratum (L.) 'Selection 75'] and buffelgrass [Cenchrus ciliaris (L.) 'Nueces'] were tolerant of preemergence application of butylate (S-…Publication Date 1986-11-01
- crop establishment
- Panicum coloratum
- manual weed control
- phytotoxicity
- tolerance
- herbicides
- weed control
- Cenchrus ciliaris
- Texas
- Library Collection RecordNumber and kinds of cattle trails may have a dramatic impact on relative amount of bare soil and subsequently on amount and rate of soil erosion. The objective of this study was to quantify the…Publication Date 1986-09-01
- trails
- types
- quantitative analysis
- density
- soil erosion
- rotational grazing
- cattle
- Texas
- grazing
- Library Collection RecordWe observed the responses of nongame birds to brush suppression and habitat management for game birds in the Rolling Plains of Texas during 1981-1983. Data from line transects were used to describe…Publication Date 1986-05-01
- mimus polyglottos
- game birds
- birds
- Zenaida macroura
- Colinus virginianus
- Prosopis glandulosa
- population density
- habitats
- herbicides
- game management
- species
- Texas
- habitat improvement
- rangelands
- Library Collection RecordInfiltration rate and sediment production were measured over a 2-year period on an intensive rotationally grazed pasture. Measurements were taken prior to the movement of livestock onto the pasture,…Publication Date 1986-11-01
- intensive livestock farming
- hydrology
- sediments
- pastures
- rotational grazing
- sheep
- goats
- cattle
- Texas
- seasonal variation
- rangelands
- grazing
- infiltration
- Library Collection RecordWe compared effects of short-duration and continuous grazing on nesting cover and success of bobwhites and wild turkeys in south Texas during 1984. Coverage, density, and dispersion of suitable nest…Publication Date 1986-05-01
- colinus vulgaris
- nesting
- grazing time
- turkeys
- nests
- game management
- pastures
- Texas
- livestock
- grazing
- Library Collection RecordLow seed germination is a problem in establishment of showy menodora (Menodora longiflora Gray). Objectives of this study were to determine the effects of temperature, light, and presowing treatments…Publication Date 1986-07-01
- Oleaceae
- menodora longiflora
- preplanting treatment
- photoperiod
- scarification
- seed treatments
- Texas
- seed germination
- temperature
- Library Collection RecordEstablishment of spiny hackberry (Celtis pallida Torr.) in plantings for wildlife has been hampered by low seed germination. We evaluated methods for enhancing germination of spiny hackberry by…Publication Date 1986-11-01
- growth regulators
- heat
- Celtis pallida
- photoperiod
- scarification
- seed treatments
- dormancy breaking
- Texas
- seed germination
- Library Collection RecordA study was conducted in Hidalgo County, southern Texas, to determine the effects of inorganic nitrogen (N) and phosphorus (P) fertilization on the P content of 5 deer browse species. Treatments were…Publication Date 1986-05-01
- phosphorus fertilizers
- nutrient deficiencies
- browse plants
- plant analysis
- nitrogen fertilizers
- Odocoileus virginianus
- species
- woody plants
- phosphorus
- nutrient contents of plants
- Texas
- Library Collection RecordA field study was initiated in May 1981 to monitor the effectiveness of mechanical brush control (chaining) as a method of reclaiming Ashe juniper (Juniperus asheii)-oak (Quercus spp.) dominated…Publication Date 1986-05-01
- Juniperus ashei
- mechanical methods
- Quercus
- brush control
- Odocoileus virginianus
- Texas
- habitat improvement
- range management
- botanical composition
- rangelands
- Library Collection RecordA study was conducted to evaluate production of 2 temperate, annual legumes at locations where temperature and moisture may seasonally place severe constraints on growth. Arrowleaf (Trifolium…Publication Date 1987-03-01
- Trifolium vesiculosum
- Trifolium subterraneum
- soil water content
- growth rate
- precipitation
- Texas
- temperature
- climatic factors
- crop yield
- introduced species
- rangelands
- Library Collection RecordSeasonal biomass dynamics were documented in an undisturbed sand shinnery oak (Quercus havardii) community and adjacent areas treated with tebuthiuron 3 years and 6 years prior to sampling. Biomass…Publication Date 1986-09-01
- herbaceous yield
- residual effects
- field tests
- above-ground biomass
- below-ground biomass
- biomass determination
- tebuthiuron
- sandy soils
- weed control
- Quercus havardii
- yields
- Texas
- rangelands
- Library Collection RecordSeasonal nitrogen dynamics were documented in an undisturbed sand shinnery oak (Quercus havardii) community and in similar areas treated with tebuthiuron 3 years and 6 years prior to sampling in 1981…Publication Date 1986-09-01
- residual effects
- field tests
- above-ground biomass
- below-ground biomass
- nitrogen metabolism
- tebuthiuron
- sandy soils
- weed control
- Quercus havardii
- soil chemistry
- Texas
- biomass
- seasonal variation
- rangelands
- Library Collection RecordInfiltration rate and sediment production were assessed in oak, bunchgrass and sodgrass vegetation types in moderate continuous (MCG), heavy continuous (HCG), and intensive rotation (short-duration,…Publication Date 1986-11-01
- sediments
- Quercus virginiana
- vegetation types
- Poaceae
- plant communities
- Texas
- livestock
- grazing
- infiltration
- bulk density
- Library Collection RecordResearch was initiated in August 1982 at the Texas Experimental Ranch to evaluate effect of selected grazing treatments on watershed condition. Two production scale grazing treatments were sampled on…Publication Date 1987-05-01
- soil organic matter
- hydrology
- sediments
- grazing experiments
- rotational grazing
- plant communities
- Texas
- rangelands
- grazing
- infiltration
- bulk density
- Library Collection RecordGrazing or cutting frequency has been shown to affect yield and quality of many grasses, but similar data are lacking for tall wheatgrass [Agropyron elongatum (Host) Beauv. 'Jose']. The…Publication Date 1987-01-01
- cutting frequency
- nitrogen
- potassium
- phosphorus
- magnesium
- calcium
- rotational grazing
- nutrient contents of plants
- Texas
- crop yield
- grazing
- Elytrigia elongata
- Library Collection RecordForty-eight stocker cattle enterprises on tobosagrass, bluestem, and lovegrass pastures being bought and sold at different points in the seasonal cattle price cycle were evaluated to determine the…Publication Date 1987-05-01
- marketing
- farm management
- profits
- grassland improvement
- Hilaria mutica
- Eragrostis curvula
- optimization
- animal production
- ranching
- Bothriochloa ischaemum
- cattle
- Texas
- range management
- seasonal variation
- Library Collection RecordSeed dormancy hampers establishment of anacua [Ehretia anacua (Teran & Berl.) I.M. Johnst.] in plantings for wildlife. We evaluated methods of enhancing anacua germination and causes of dormancy…Publication Date 1986-09-01
- Texas
- wildlife management
- seed germination
- seed dormancy
- establishment
- temperature
- sulfuric acid
- Boraginaceae
- pretreatments
- habitat improvement
- ehretia anacua
- Library Collection RecordTebuthiuron, [N-(5-1,1-dimethyethyl-l1,3,4-thiadiazol-2-yl)-N,N′-dimethylurea], a root-absorbed pelleted herbicide, was broadcast onto sand shinnery oak (Quercus havardii) rangeland in west Texas,…Publication Date 1986-09-01
- herbicide residues
- water content
- residual effects
- tebuthiuron
- sandy soils
- weed control
- Quercus havardii
- digestibility
- diet studies
- cattle
- Texas
- rangelands
- nutritive value
- grazing
- forage
- Library Collection RecordA general economic model to analyze optimal timing of brush control treatments and other range improvements was developed. The model was then applied to investments to control mesquite (Prosopis…Publication Date 1986-07-01
- prices
- timing
- investment
- costs and returns
- optimization
- Prosopis glandulosa
- brush control
- Texas
- Library Collection RecordOn-site disposal of drilling fluids frequently causes severe, longterm disturbance of rangeland soils. The effects of mulch on establishment and standing crops of seeded kochia [Kochia scoparia (L.)…Publication Date 1987-03-01
- soil pollution
- oil and gas wells
- Bassia scoparia
- semiarid soils
- mulching
- soil salinity
- irrigation
- reclamation
- Atriplex canescens
- Poaceae
- land restoration
- Texas
- establishment
- rangelands
- Library Collection RecordInfiltration rate and sediment production were measured for 2 years on 3 pastures from an intensive rotational grazing system. The pastures were 32, 24, and 16 ha in size. Stocking rate was held…Publication Date 1986-11-01
- soil water relations
- hydrology
- sediments
- stocking rate
- pastures
- rotational grazing
- sheep
- goats
- cattle
- Texas
- grazing
- infiltration
- Library Collection RecordInfiltration rate decreased significantly and sediment production increased significantly on a site with a silty clay surface soil devoid of vegetation following periodic trampling typical of…Publication Date 1986-11-01
- damage
- soil aggregates
- microrelief
- soil properties
- hydrology
- rotational grazing
- cattle
- Texas
- rangelands
- bulk density
- trampling
- soil water
- Library Collection RecordForty-one headfires were burned on 0.1-ha test plots on 2 west Texas study sites in the spring of 1984. The purpose of these burns was to develop a prescription for predicting whether downed honey…Publication Date 1986-07-01
- residues
- ignition
- mechanical methods
- moisture content
- Prosopis glandulosa var. glandulosa
- brush control
- wind speed
- prescribed burning
- Texas
- Library Collection RecordLive and standing dead biomass, standing crop, and total nitrogen, within each component, were measured in a big sacaton (Sporobolus wrightii Monro) grassland in southeastern Arizona for 3 years to…Publication Date 1985-05-01
- Sporobolus wrightii
- Sporobolus
- soil
- biomass determination
- grasslands
- vegetation
- nitrogen content
- Texas
- grazing
- New Mexico
- Arizona
- Library Collection RecordBased on 7 prescribed burning trials on tobosagrass (Hilaria mutica) in the Rolling Plains of Texas from 1968 to 1976, burned tobosagrass ranges yielded an additional present value of $36.16/ha ($14.…Publication Date 1985-07-01
- Hilaria mutica
- economic analysis
- prescribed burning
- Texas
- range management
- rangelands
- grazing
- Library Collection RecordA major land use, especially in drier areas of subtropical regions is for forage production. Nutrient availability, as well as moisture, limit production; however, little is known concerning optimum…Publication Date 1985-05-01
- yield response functions
- subtropics
- Rio Grande Plain
- fertilizer application
- Dichanthium annulatum
- Cenchrus ciliaris
- Texas
- rangelands
- Library Collection RecordGermination characteristics of Maximilian sunflower (Helianthus maximiliana Schrad.) and awnless bushsunflower {Simsia calva Engelm. & Gray) Gray were evaluated at water potentials of 0, -.25, -0…Publication Date 1985-07-01
- Helianthus
- revegetation plants
- germinability
- Southern Great Plains
- Oklahoma
- Texas
- rangelands
- Library Collection RecordEstablishment of shrubs and other forage plants on arid and semiarid rangelands and salt-contaminated sites may be enhanced if ecotypes with ability to germinate and establish under moisture stress…Publication Date 1986-01-01
- osmotic treatment
- saline soils
- arid zones
- Atriplex canescens
- pH
- semiarid zones
- Texas
- seed germination
- establishment
- temperature
- rangelands
- Library Collection RecordThe effect of honey mesquite (Prosopis glandulosa var. glandulosa Torr.) control on herbaceous growth dynamics, forage production, and root and crown biomass was investigated in 1979 and 1980 on a…Publication Date 1986-01-01
- Prosopis glandulosa var. glandulosa
- understory vegetation
- herbicides
- population dynamics
- weed control
- chemical control
- semiarid zones
- Texas
- Library Collection RecordHexazinone [3-cyclohexyl-6-(dimethylamino)-1-methyl-1,3,5-triazine-2,4(1H, 3H)-dione] applied as 1.2 cm3 (20% ai) pellets in a grid pattern at 2.2 kg active ingredient (ai)/ha killed 11 to 22% of…Publication Date 1986-03-01
- hexazinone
- pellets
- pesticide application
- Prosopis glandulosa var. glandulosa
- brush control
- Texas
- rangelands
- Library Collection RecordInfiltration rates significantly increased each year of the 3-year study on a deteriorated site heavily infested with mesquite (Prosopis glandulosa). Vibratilling resulted in the highest infiltration…Publication Date 1985-05-01
- site quality
- soil analysis
- Prosopis glandulosa
- weed control
- Texas
- range management
- Library Collection RecordBotanical composition and estimated seasonal nutrient quality of mule deer (Odocoileus hemionus) diets from the Canadian River and Clarendon areas of the Texas Panhandle were determined from 1979 to…Publication Date 1985-03-01
- forage crops
- Odocoileus hemionus
- Odocoileus
- diet studies
- Texas
- Library Collection RecordThe chemical composition of 10 range plants of dietary importance to cattle and white-tailed deer (Odocoileus virginianus) was determined on the Texas A&I University Range and Wildlife Research…Publication Date 1985-03-01
- seasonal growth
- forage crops
- chemical composition
- cattle
- Texas
- nutritive value
- Library Collection RecordOne hundred three present and 104 past Angora goat producers in 3 Texas counties were questioned regarding the relative importance of factors contributing to the decline of the goat industry in Texas…Publication Date 1985-03-01
- livestock production
- goat keeping
- angora
- Texas
- Library Collection RecordA replicated small plot (1.8 m × 22.1 m) study was conducted on the Texas A&M University Native Plant and Animal Conservancy in Brazos County, Texas. The purposes of the study were to determine…Publication Date 1985-05-01
- natural resources
- texas a&m university native plant and animal conservancy, brazos county, texas
- vegetation management
- prescribed burning
- Texas
- Library Collection RecordBlackbrush (Acacia rigidula) is a native shrub found on a variety of soil types in south Texas and northern Mexico. It often becomes a serious management problem on rangelands, especially where…Publication Date 1985-05-01
- Acacia rigidula
- aerial photography
- soil types
- Texas
- rangelands
- Library Collection RecordA multi-video system that provides immediately useful narrowband black-and-white imagery within the visible to near-infrared light (0.40- to 1.10-micrometer waveband) region of the electromagnetic…Publication Date 1985-09-01
- land resources
- video recorders
- assessment
- image analysis
- remote sensing
- Texas
- range management
- rangelands
- ecology
- Library Collection RecordInfiltration of live oak mottes on watershed properties was evaluated in July 1979 at the Sonora Agricultural Research Station. Infiltration rates of undisturbed live oak mottes and those with mulch…Publication Date 1984-11-01
- infiltration rates
- minerals
- Oak Mottes
- Watershed Properties
- Sonoran Agricultural Research Station
- Mulch Layers
- soil loss
- Grass Standing Crop
- Organic Layers
- soil organic matter
- Water Stable Aggregates
- soil bulk density
- Texas Agricultural Research Station
- removal
- mulch
- characteristics
- treatments
- Edwards Plateau
- Texas
- 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 RecordDiets of Rambouillet, Karakul, and Barbado sheep (Ovis aries) and Spanish and Angora goats (Capra hircus) grazing in 3 plant communities in western Texas were determined by microhistological analysis…Publication Date 1984-03-01
- Texas
- Library Collection RecordDuring 1980, 101 ranchers in 3 counties (Bosque, Hamilton, and Coryell) in Texas, were interviewed regarding livestock losses and expenses resulting from methods used to reduce predation. Using data…Publication Date 1984-03-01
- Texas
- Library Collection RecordBotanical composition of Spanish goat diets was only different when diets selected from tebuthiuron-treated pastures were compared to those from untreated and mechanically treated areas in the Texas…Publication Date 1984-11-01
- diets
- Dietary Selection
- Spanish Goats
- Mechanically Treated
- Browse Component
- IVDOM
- College Station
- brush management
- organic matter
- winter
- treatments
- fall
- summer
- botanical composition
- digestibility
- crude protein
- nutrition
- spring
- pastures
- tebuthiuron
- Texas
- Library Collection RecordHoney mesquite (Prosopis glandulosa var. glandulosa) represents the most severe brush problem in the Texas Rolling Plains. Substantial research has been conducted on control methods, but economic…Publication Date 1984-03-01
- Texas
- Library Collection RecordIntegration of prescribed burns into management systems with herbicide and mechanical controls is proposed as an economically efficient means of improving the productivity of Macartney rose infested…Publication Date 1984-03-01
- Texas
- Library Collection RecordThe plant-air layer and soil surface structure affect regrowth succession following burning in the tobosagrass (Hilaria mutica)-mesquite (Prosopis glandulosa) community in West Texas by altering the…Publication Date 1984-03-01
- Texas
- Library Collection RecordThe effect of season of burning on standing crop, point frequency, density, and reproductive vigor of Texas wintergrass (Stipa leucotricha Trin. & Rupr.) communities was measured in this study.…Publication Date 1984-09-01
- seasonal growth
- Nassella leucotricha
- fires
- fire effects
- Texas
- range management
- rangelands
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