Rangeland Ecology & Management
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- Library Collection RecordThis material was digitized as part of a cooperative project between the Society for Range Management and the University of Arizona Libraries. The Journal of Range Management archives are made…Publication Date 1964-03-01
- Johnsongrass
- Dark Green
- Yellow Green
- Plant Maturity
- Sorghum halepense
- animal preferences
- preference
- Managing
- Introduced
- selective grazing
- Stillwater
- steers
- pastures
- forage plants
- native
- color
- range
- palatability
- grazing
- Oklahoma
- Library Collection RecordThis forum manuscript examines the importance of grazing lands for sequestering soil organic carbon (SOC), providing societal benefits, and potential influences on them of emerging policies and…Publication Date 2010-01-01
- 2008 Farm Bill
- economic benefits
- environmental benefits
- legislation
- pastures
- rangelands
- soil carbon sequestration
- Library Collection RecordDistinguishing between anthropogenic and natural sources of sediment and nutrients is important for water resource management in irrigated basins. Water quality of flood irrigation was monitored at…Publication Date 2010-05-01
- grass
- grazing
- irrigation
- nitrogen
- pastures
- water quality
- Library Collection RecordSpotted knapweed (Centaurea biebersteinii DC.) is a perennial, invasive forb that infests millions of hectares of private and public rangelands in western North America. Previous research indicates…Publication Date 2008-01-01
- Centaurea
- Montana
- Ovis aries
- prescribed livestock grazing
- targeted livestock grazing
- Weeds
- Library Collection RecordProductive ground cover (PGC) is often used as a measure of sward health and persistence. To measure PGC, a camera stand was constructed to provide diffuse lighting of grass swards for color digital…Publication Date 2008-03-01
- camera stand
- digital aerial photography
- image classification
- grazing
- pastures
- prairie grass
- tall fescue
- Library Collection RecordTrees in silvopastoral systems can accumulate carbon (C) and nutrients under their canopies. Most studies measure only net changes in organic matter and nutrients without evaluating turnover of soil…Publication Date 2008-05-01
- agroforestry
- caatinga
- 13C natural abundance
- indigenous trees
- islands of fertility
- pastures
- Library Collection RecordRangeland monitoring often includes repeat photographs as a basis for documentation. Whereas photographic equipment and electronics have been evolving rapidly, photographic monitoring methods for…Publication Date 2009-11-01
- auto stitching
- digital photography
- pastures
- riparian
- wildlife
- Library Collection RecordRanch management practices aimed at cattle and pasture vegetation have the potential to impact other animals as well, including nontarget organisms. Soil-inhabiting nematodes are often used as…Publication Date 2007-01-01
- bioindicators
- grazing
- nontarget organisms
- pastures
- ranch management
- richness
- trophic structure
- Library Collection RecordForage quality and quantity are important factors affecting livestock production from grazing lands. ‘‘Greenness’’ has been proposed as an indicator of herbage quality in semiarid environments,…Publication Date 2005-03-01
- northern Great Plains
- grazing
- forage nutritive quality
- rangelands
- Montana
- Library Collection RecordPrescribed cattle grazing is often used to purposely enhance wildlife habitat. This study investigated the effects of fall cattle (Bos taurus) grazing intensity on elk (Cervus elaphus) and deer (…Publication Date 2003-05-01
- wildlife-livestock relations
- Festuca altaica
- Cervus elaphus
- spring
- forbs
- rotational grazing
- summer
- grazing intensity
- Odocoileus
- cattle
- wildlife management
- biomass
- range management
- botanical composition
- Montana
- Cervus elaphus
- Festuca scabrella
- Odocoileus spp.
- livestock-wildlife relations
- prescribed livestock grading
- Library Collection RecordScaled quail (Callipepla squamata) numbers were evaluated during and after a 2-year drought period using strip census techniques on 2 pastures in late seral rangeland ecological condition and 2…Publication Date 2003-07-01
- Callipepla
- population size
- Callipepla squamata
- game birds
- seral stages
- vegetation cover
- wildlife habitats
- arid lands
- ecological succession
- pastures
- grazing intensity
- biomass
- drought
- plant litter
- New Mexico
- upland game birds
- wildlife
- arid lands
- cattle grazing
- rangelands
- Library Collection RecordSquirreltail (Elymus elymoides, E. multisetus) is a complex of 5 taxa whose systematic interrelationships are uncertain. Our objectives were to determine whether the 3 taxa studied here, Elymus…Publication Date 2003-09-01
- Elymus elymoides subsp. brevifolius
- plant taxonomy
- growth traits
- Elymus multisetus
- Elymus elymoides subsp. elymoides
- population ecology
- provenance
- ecotypes
- plant development
- geographical variation
- leaves
- conservation plants
- height
- seedling emergence
- seed productivity
- shoots
- root systems
- Idaho
- Oregon
- Wyoming
- California
- biomass
- phenology
- Montana
- Nevada
- Colorado
- Elymus elymoides
- genetic variation
- plant nutecology
- Sitanion hystrix
- Library Collection RecordGrazing of livestock in streams and associated riparian habitats (hereafter referred to as riparian zones) may affect small mammal communities by influencing vegetation, water quality, and other site…Publication Date 2004-07-01
- fencing
- litter
- livestock
- pastures
- streams
- vegetation
- wildlife
- Library Collection RecordRotational grazing has been proposed as a Best Management Practice (BMP) for minimizing runoff in Wisconsin agricultural riparian areas. The influence of this land management practice on grassland…Publication Date 2001-09-01
- sturnella magna
- passerculus sandwichensis
- dolichonyx oryzivorus
- Wisconsin
- fields
- wild birds
- depth
- grasslands
- continuous grazing
- species diversity
- riparian buffers
- rotational grazing
- plant communities
- wildlife management
- plant litter
- pastures
- rotational grazing
- species richness
- density
- dominance
- buffer strips
- Library Collection RecordSimple, reliable tools are needed by land managers to quantify establishment success when seeding or re-seeding pastures or rangeland. A frequency grid was designed to measure seedling or plant…Publication Date 2001-11-01
- tools
- frequency distribution
- sown grasslands
- seedlings
- range management
- planting
- rangelands
- pastures
- plant density
- seedling counts
- Library Collection RecordPresence of invading annual bromes (Bromus spp.) can alter seasonal patterns of forage production and quality and require management changes for efficient use of infested rangelands in the Northern…Publication Date 2001-11-01
- Bromus japonicus
- Poa secunda
- atrazine
- arid grasslands
- liveweight gain
- weed control
- Bromus tectorum
- stocking rate
- forbs
- steers
- crude protein
- Bouteloua gracilis
- precipitation
- biomass production
- biomass
- range management
- introduced species
- Montana
- plant competition
- Bromus japonicus
- Pascopyrum smithii
- northern Great Plains
- standing crop
- forage quality
- Library Collection RecordGrazers ingest seeds of invasive forbs and may contribute to their spread by depositing viable seeds in uninfested areas. Some mature seed pass through the gastrointestinal (GI) tract of ruminants,…Publication Date 2002-01-01
- sheep dung
- seed development
- seed dispersal
- viability
- Euphorbia esula
- invasion
- weed control
- seeds
- transit time
- sheep
- rumen fermentation
- seed germination
- Montana
- grazing
- maturity stage
- weed
- Euphorbia esula
- rumen
- sheep
- Library Collection RecordAn understanding of the impacts of grazing during and following drought on rangeland ecosystems is critical for developing effective drought management strategies. This study was designed to examine…Publication Date 2002-01-01
- Pascopyrum smithii
- Bouteloua gracilis
- tillering
- growth rate
- leaf water potential
- precipitation
- xylem water potential
- drought injury
- tillers
- biomass production
- sustainability
- plant communities
- drought
- range management
- phenology
- Montana
- grazing
- soil water
- Bouteloua gracilis
- Pascopyrum smithii
- production
- rainout shelter
- rest
- water potential
- Library Collection RecordComputer simulation was used to determine the effects of wild elk (Cervus elaphus) on available forage, cattle herd size, and ranch gross margin in southwestern Montana beef cow-calf production…Publication Date 2002-03-01
- leasing
- livestock numbers
- interspecific competition
- simulation models
- ranching
- habitats
- hunting
- production costs
- stocking rate
- Cervus elaphus canadensis
- wildlife management
- range management
- Montana
- grazing
- beef cattle
- forage
- range economics
- Library Collection RecordA 3-year study was conducted to evaluate grazing strategies for production of growing cattle during summer on Northern Great Plains rangeland. Crossbred yearling steers (N = 123 per year, avg initial…Publication Date 2002-03-01
- liveweight gain
- body weight
- fiber content
- stocking rate
- steers
- crude protein
- natural grasslands
- summer
- precipitation
- grazing intensity
- in vitro digestibility
- biomass
- botanical composition
- Montana
- beef cattle
- forage
- grazing management
- beef cattle
- protein supplementation
- Library Collection RecordAn understanding of the impacts of grazing during and following drought on rangeland ecosystems is critical for developing effective drought management strategies. This study was designed to examine…Publication Date 2002-03-01
- pascopyron smithii
- primary productivity
- drought tolerance
- stocking rate
- Pascopyrum smithii
- Bouteloua gracilis
- tillering
- growth rate
- leaf water potential
- xylem water potential
- drought injury
- tillers
- biomass production
- Montana
- grazing
- soil water
- water stress
- Bouteloua gracilis
- Pascopyrum smithii
- production
- rainout shelter
- rest
- water potential
- Library Collection RecordUnderstanding the interacting effects of drought and grazing on runoff, erosion, and nutrient transport is essential for improved rangeland management. Research was conducted at the Fort Keogh…Publication Date 2002-05-01
- prairies
- water quality
- biomass
- losses from soil
- drought
- sediment yield
- range management
- seasonal variation
- Montana
- erosion
- sediment yield
- nutrient transport
- Great Plains
- Library Collection RecordEarly weaning of calves can improve reproduction of beef cows, and would be of no detriment to calf growth if the diet is adequate. Digestible energy intake could be limiting, however, when calves…Publication Date 2002-07-01
- early weaning
- concentrates
- Medicago sativa
- alfalfa
- alfalfa hay
- calf feeding
- body condition
- liveweight gain
- calves
- body weight
- pastures
- beef cows
- hay
- Argentina
- grazing
- Calf growth
- calf diet
- calf supplementation
- beef cattle
- Library Collection RecordA study was conducted to determine the potential of using Advanced Very High Resolution Radiometer (AVHRR) imagery to monitor short-term changes in rangeland forage conditions on a regional scale.…Publication Date 2002-07-01
- remote sensing
- hill grasslands
- satellite imagery
- multispectral imagery
- advanced very high resolution radiometer
- short-grass praire
- range condition
- estimation
- nitrogen content
- prairies
- biomass
- seasonal variation
- Montana
- forage
- NDVI
- biomass
- nitrogen
- regional
- Library Collection RecordA grazing system which allows cattle to select a season-long diet more nearly meeting their nutrient requirements should facilitate optimal weight gains. A study was conducted near Mandan, N. D.…Publication Date 2002-09-01
- native ranges
- Bromus inermis
- Agropyron desertorum
- protein content
- liveweight gain
- fiber content
- chemical composition
- pastures
- Pascopyrum smithii
- in vitro digestibility
- botanical composition
- grazing
- beef cattle
- feeding preferences
- North Dakota
- animal behavior
- crested wheatgrass
- western wheatgrass
- smooth bromegrass
- Library Collection RecordIntegrating use of seedings of perennial cool-season grasses with native range is used to increase available forage and for maintaining a high plane of nutrition for grazing livestock. Our goal was…Publication Date 2002-09-01
- Elytrigia intermedia subsp. intermedia
- protein content
- liveweight gain
- Agropyron cristatum
- cultivars
- seedlings
- crude protein
- Pascopyrum smithii
- precipitation
- in vitro digestibility
- biomass
- seasonal variation
- Montana
- plant competition
- grazing
- beef cattle
- Agropyron spp. Pascopyron smithii
- Elytrigia intermedia
- Hycrest
- Luna
- Rosana
- crude protein
- digestibility
- standing crop
- Library Collection RecordThere is little information on the impact of grazing intensity on productivity and sustainability of intensively managed pastures in the humid, short-season parkland of the Canadian prairies. Our…Publication Date 2002-11-01
- urine
- Bromus riparius
- sward
- biogeochemical cycles
- controlled grazing
- feces composition
- Alberta
- leaf area index
- pastures
- grazing intensity
- in vitro digestibility
- range management
- plant litter
- beef cattle
- forage
- dry matter
- nutrient flow
- productivity
- disappearance
- residual
- pastures
- nutritive value
- Library Collection RecordStocking rate is generally considered to be the most important management factor in sustainable grazing of Great Plains grasslands over management periods of 10 to 20 years or longer. Most studies to…Publication Date 2002-11-01
- birth weight
- calf production
- weaning weight
- Artemisia filifolia
- costs and returns
- optimization
- calves
- temporal variation
- body weight
- stocking rate
- pastures
- beef cows
- profitability
- precipitation
- sustainability
- grazing intensity
- drought
- range management
- seasonal variation
- Artemisia filifolia
- mixed prairie
- Southern Plains
- animal performance
- optimum stocking rate
- Library Collection RecordAlteration of stream channel morphology by cattle and associated streambank erosion is a concern on rangeland watersheds. The objective of this study was to determine changes in stream channel…Publication Date 2002-11-01
- stream channel depth
- riparian grasslands
- depth
- stream erosion
- streams
- savanna woodlands
- Quercus wislizeni
- width
- grazing experiments
- dry seasons
- wet season
- pastures
- grazing intensity
- California
- range management
- beef cattle
- plant height
- grazing effects
- stream bank erosion
- sediments
- annual rangelands
- California
- Library Collection RecordEffective rangeland weed programs require the ability to predict plant community responses to management. Our objective was to develop regression equations to predict the plant community after…Publication Date 2002-11-01
- Festuca idahoensis
- endemic species
- ground cover
- mathematical models
- regression analysis
- species diversity
- weed control
- equations
- forbs
- plant communities
- plant density
- picloram
- Centaurea maculosa
- biomass
- range management
- introduced species
- Montana
- invasive species
- grasses
- spotted knapweed
- predicting plant response
- integrated weed management
- optimizing herbicide use
- Library Collection RecordSeedling recruitment of Dalmatian toadflax, (Linaria genistifolia ssp. dalmatica (L.) Maire and Petitmengin (Scrophulariaceae)), was examined in a 2-year field study in Montana using overseeding and…Publication Date 2002-11-01
- biological control agents
- Linaria dalmatica
- Nitidulidae
- Brachypterolus pulicarius
- oversowing
- recruitment
- insect control
- biological control
- poisonous weeds
- roots
- crop-weed competition
- stems
- seedling emergence
- seed productivity
- weed control
- seedlings
- range management
- Montana
- invasive species
- ecological invasion
- seed limitation
- microsites
- weed management
- biological control
- rangeland ecology
- overseeding
- Brachypterolus pulicarius
- plant competition
- Linaria genistifolia ssp. Dalmatica
- Library Collection RecordThe development of successful regional or national invasive weed control programs is often hampered by the way the problem is approached. Typically weed control programs are developed and evaluated…Publication Date 2003-01-01
- Aphthona
- Aphthona nigriscutis
- Aphthona lacertosa
- perennial weeds
- teamwork
- biological control agents
- USDA
- integrated pest management
- economic impact
- biological control
- Euphorbia esula
- ranching
- cost-benefit analysis
- invasion
- herbicides
- weed control
- South Dakota
- chemical control
- Wyoming
- sheep
- range management
- botanical composition
- Montana
- grazing
- North Dakota
- biological control
- Aphthona
- Weeds
- invasive species
- success
- integrated pest management
- Library Collection RecordA survey based on browsing related architectures indicated that browsing level had increased at the Mt. Haggin Wildlife Management Area. We describe a technique for determining the year in which the…Publication Date 2003-01-01
- salix geyeriana
- population growth
- date
- twig clusters
- Alces alces
- plant architecture
- Salix
- stems
- browse plants
- plant morphology
- browsing damage
- Montana
- Alces alces
- architecture
- browse-use history
- moose
- ungulates
- willow
- Library Collection RecordPicloram at 0.28 kg ai ha(-1), clopyralid plus 2,4-D at 0.21 kg ai ha(-1) plus 1.12 kg ai ha(-1), or dicamba plus 2,4-D at 0.56 kg ai ha(-1) plus 1.12 kg ai ha(-1) were applied to spotted knapweed (…Publication Date 2000-03-01
- timing
- 2,4-D
- dicamba
- clopyralid
- weed control
- plant density
- picloram
- Centaurea maculosa
- application rates
- biomass
- phenology
- Montana
- grasses
- maturity stage
- Pasture and rangeland weed control
- clopyralid
- dicamba
- picloram
- 2,4-D
- Centaurea maculosa
- Library Collection RecordNitrogen fertilization is a common practice on introduced grass pastures established on marginal farmland in the Southern Great Plains. The efficiency of N fertilizer use on pastures and concern…Publication Date 2000-03-01
- soil organic matter
- costs and returns
- production costs
- liveweight gain
- Bothriochloa ischaemum
- rain
- nitrogen fertilizers
- stocking rate
- pastures
- Oklahoma
- steers
- crude protein
- summer
- soil chemistry
- in vitro digestibility
- nitrogen content
- application rates
- biomass
- Southern Plains
- marginal farmland
- grass fertilization
- old world bluestem
- Bothriochloa ischaemum
- forage quality
- Library Collection RecordTwenty-six, 0.04 ha macroplots were sampled on 9 range sites in southwestern Montana to compare successional scores and condition classifications of range condition analysis and United States Forest…Publication Date 2000-03-01
- seral stages
- ecological balance
- species diversity
- range condition
- ecological succession
- equations
- plant communities
- biomass
- Montana
- rangelands
- range condition
- seral stages
- plant communities
- succession
- Library Collection RecordWe surveyed the effectiveness of livestock guard dogs for reduc-ing predation on domestic sheep in Colorado during 1993. The number of producers using dogs increased from about 25 in 1986 to >159…Publication Date 2000-05-01
- Puma concolor
- livestock numbers
- coyotes
- lambs
- ewes
- predation
- guard dogs
- sheep dogs
- mortality
- Ursus americanus
- pastures
- rangelands
- Colorado
- Akbash
- black bears
- Canis latrans
- coyote
- dog
- Felis concolor
- Great Pyrenees
- Komondor
- mountain lion
- sheep
- Ursus americanus
- Library Collection RecordAccurate measures of the relative resource impacts from elk (Cervus elaphus) and cattle (Bos taurus and B. indicus) improve land management planning wherever these species cohabitate. Comparisons of…Publication Date 2000-05-01
- fences
- area
- mixed grazing
- experimental design
- Cervus elaphus
- pastures
- animal behavior
- grazing intensity
- cattle
- wildlife management
- range management
- Montana
- Cervus elaphus
- exclosure site
- livestock-wildlife relations
- wild ungulates
- Library Collection RecordSpotted knapweed (Centaurea maculosa Lam.) management may be enhanced by integrating strategies that stimulate and maintain competitive grasses. The objective of this study was to determine if…Publication Date 2000-05-01
- NPK fertilizers
- ground cover
- weed control
- plant density
- picloram
- Centaurea maculosa
- application rates
- biomass
- botanical composition
- Montana
- defoliation
- grazing
- simulation
- Centaurea maculosa
- integrated weed management
- grass defoliation
- grazing management
- Library Collection RecordFlorida native range is grazed in winter and cows are moved to bahiagrass (Paspalum notatum Flugge) pasture in March for breeding and calf rearing. Winter weight loss of cows is a major problem, and…Publication Date 2000-07-01
- weaning
- pregnancy rate
- breeding season
- weaning weight
- sown grasslands
- weight losses
- Paspalum notatum
- liveweight gain
- calves
- body weight
- rain
- Florida
- pastures
- spring
- beef cows
- summer
- grazing
- native forage
- cattle
- reproduction
- weight change
- management
- Library Collection RecordWe developed and used association matrix, association pattern, and pattern recognition software (ASSOC1) to investigate the spatio-temporal association of individual radio-collared elk with other…Publication Date 2001-01-01
- herds
- home range
- territory
- computer software
- temporal variation
- Cervus elaphus canadensis
- spatial distribution
- wildlife management
- Montana
- elk
- wildlife
- herds
- home range
- similarity
- Library Collection RecordSpotted knapweed (Centaurea maculosa Lam.) is a non-indigenous weed that has invaded millions of hectares of rangeland in the United States. Mowing may be useful for reducing this weed. Our objective…Publication Date 2001-01-01
- flowering
- mowing
- timing
- autumn
- weed control
- rain
- seedlings
- cutting frequency
- spring
- summer
- plant density
- Centaurea maculosa
- biomass
- plant litter
- introduced species
- Montana
- invasive species
- canopy
- grasses
- Centaurea maculosa
- density
- cover
- weed control
- 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 RecordIntroducing and establishing competitive plants is essential for the successful management of spotted knapweed (Centaurea maculosa Lam.) infested rangeland where a desirable understory is absent. Our…Publication Date 2001-03-01
- sowing date
- Elytrigia intermedia subsp. intermedia
- herbicide mixtures
- Pseudoroegneria spicata
- cultural control
- clopyralid
- Psathyrostachys juncea
- glyphosate
- stand establishment
- plant density
- picloram
- Centaurea maculosa
- application rates
- range management
- Montana
- invasive species
- rehabilitation
- weed management
- reseeding
- seedling establishment
- Library Collection RecordActivity budgets and foraging behavior of yearling bison (Bison bison L.) on pasture were studied during quarterly trials between June 1994 and December 1995. Daily activity patterns were polyphasic…Publication Date 2001-05-01
- physical activity
- bison
- digestible energy
- British Columbia
- diurnal variation
- foraging
- dietary fiber
- lignin
- duration
- length
- pastures
- animal behavior
- feeding behavior
- crude protein
- seasonal variation
- feeding preferences
- nutritional ecology
- forage intake
- annual grazing
- forage selection
- Library Collection RecordDrought and herbivory frequently influence North American rangelands. While these influences may temporarily reduce vegetative cover, their mutual influence on the available seedbanks which might…Publication Date 2001-05-01
- rooting depth
- plant development
- soil depth
- seed banks
- roots
- seedling emergence
- plant communities
- seed germination
- drought
- Montana
- rangelands
- browsing
- grazing
- water stress
- minirhizotron
- northern mixed-grass prairie
- seed banks
- Library Collection RecordA classification of dietary structural types that represents different arrangements of forage classes is proposed. It may be especially useful for interpreting and comparing herbivore diets from…Publication Date 2001-07-01
- Lama guanicoe
- feces composition
- pastures
- selective grazing
- species differences
- vegetation
- feeds
- digestibility
- sheep
- goats
- cattle
- seasonal variation
- Argentina
- botanical composition
- forage
- diet botanical composition
- conceptualization
- forage classes
- microhistological analysis
- multivariate analysis
- similarity of diets
- Library Collection RecordStrategic supplement placement has been shown to be an effective tool to lure cattle to underutilized rangeland. The goal of this study was to determine where cattle grazed when supplement was placed…Publication Date 2001-07-01
- molasses
- global positioning systems
- sloping land
- spatial variation
- water availability
- pastures
- feed supplements
- spatial distribution
- cattle
- Montana
- rangelands
- grazing
- grasses
- distribution
- grazing
- behavior
- utilization
- Library Collection RecordNative pasture and Old World bluestems (Bothriochloa spp.) have contrasting herbage production characteristics that suggest potential for incorporation into a complementary forage system. We compared…Publication Date 2001-07-01
- growth periods
- costs and returns
- economic analysis
- liveweight gain
- stocking rate
- pastures
- profitability
- Oklahoma
- biomass production
- botanical composition
- grazing
- beef cattle
- forage
- mixed prairie
- complementary forages
- old world bluestem
- Bothriochloa
- livestock performance
- Library Collection RecordPopulations of an introduced woody weed, prickly acacia (Acacia nilotica (L.) Delile ssp. indica (Benth.) Brenan syn. Acacia arabica (Lam.) Willd. ssp. indica Benth.), were surveyed at 4 sites in…Publication Date 2001-07-01
- regeneration
- Weeds
- quarantine
- Queensland
- seed dispersal
- highlands
- rain
- seedlings
- pastures
- selective grazing
- woody plants
- rotational grazing
- sheep
- plant density
- introduced species
- browsing
- grazing
- plant height
- Life-stage profiles
- rainfall
- population dynamics
- regeneration
- cattle
- woody weeds