Rangeland Ecology & Management
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Displaying 151 - 200 of 252 results
- Library Collection Record
151 Rangelands
Effective integration of the three main goals of rangeland management - economic gain through livestock production, management of game animals for recreational use, and conservation of biological…Publication Date 1992- rangelands
- biodiversity
- Economic Aspects
- grazing
- livestock
- conservation
- animal impact
- animal production
- management
- fire
- restoration ecology
- Africa
- Library Collection RecordThe characteristics and dynamics of dry savanna vegetation cover are receiving considerable attention from the perspectives of both global change and range degradation studies. Problems include the…Publication Date 1996
- savanna
- remote sensing
- mapping
- management
- degradation
- grazing
- Africa
- Library Collection RecordThe effects of soil texture and grassland management, i.e. rate of fertilizer N input, mowing vs grazing, and the number of years the site is under grass, on the amounts of soil organic C and N and…Publication Date 1994
- soil nutrients
- grasslands
- management
- Soil Condition
- grazing
- mowing
- Africa
- Library Collection RecordSpatial dependence is a fundamental structure of spatial data that can be readily measured. Change in landscapes can be monitored effectively using measures of spatial dependence. Scale of…Publication Date 1993
- grasslands
- grazing
- modelling
- Landsat images
- remote sensing
- Africa
- Library Collection RecordThe past and present distributions of Rudd's lark are reviewed, and recent claims concerning range reduction examined. The species occurs within a geographically and altitudinally restricted…Publication Date 1988
- biodiversity
- grasslands
- birds
- grazing
- land use
- Africa
- Library Collection RecordSouth Coast Renosterveld is a small-leaved shrubland confined to the semi-arid and sub-humid coastal forelands of the southern and south-eastern Cape, South Africa. The flora of this vegetation type…Publication Date 1986
- Endemism
- grassland
- management
- rangeland condition
- grazing
- fire ecology
- renosterveld
- Africa
- Library Collection RecordSince the mid-19th century settled livestock ranching has been the major form of land use in South Africa, occupying 68% of the land surface. Decreases in livestock densities and ranch numbers during…Publication Date 1995
- rangeland condition
- rangelands
- management
- degradation
- carrying capacity
- grazing
- indigenous encroaching species
- restoration ecology
- sustainability
- Africa
- Library Collection RecordWe examined relationships between vegetation and soil nutrients along rainfall and land use gradients in the Kalahari. Soil organic carbon (SOC) was significantly lower where reduced rainfall and…Publication Date 2003
- soil organic carbon
- soil organic nitrogen
- rainfall gradient
- land-use gradient
- Kalahari
- savanna
- Botswana
- soil nutrition
- rainfall
- grazing
- grasslands
- land use
- Africa
- Library Collection RecordThe effect of intensive grazing and browsing of domestic stock and wildlife on the number of species and abundance of vegetation was investigated in the Hoanib River catchment, north-western Namibia…Publication Date 2003
- vegetation impact
- Arid Environment
- intensive grazing
- ecosystem ecology
- vegetation dynamics
- grasslands
- grazing
- livestock
- wildlife
- land use
- drought
- Africa
- Library Collection RecordOveroptimistic stocking rates are the leading cause of rangeland degradation. The phenomenon of patch-selective grazing means that the stocking rate on heavily used patches is much higher than that…Publication Date 2003
- basal area
- patch overgrazing
- patch selection
- spatial heterogeneity
- Species Composition.
- stocking rates
- rangeland condition
- degradation
- rangelands
- grazing
- animal impact
- management
- Africa
- Library Collection RecordThe numbers of livestock and wildlife that can be supported in an arid environment such as the Hoanib River catchment, north-western Namibia, are determined by annual and seasonal availability of…Publication Date 2003
- Non-equilibrium system
- vegetation assessment
- Arid Environment
- vegetation dynamics
- ecosystem ecology
- livestock
- wildlife
- grazing
- rainfall
- land use
- piosphere
- Africa
- Library Collection RecordAcross nearly 100 sampling locations widely distributed within the arid shrubland of Western Australia, we demonstrated a general relationship between landscape function, primary productivity and…Publication Date 2002
- landscape function
- resilience
- Landscape degradation
- primary productivity
- indicators
- patch
- patch-mosaic
- ecosystem ecology
- plant production
- rainfall
- grazing
- sheep
- degradation
- Africa
- Library Collection RecordSmall mammal and bird assemblages were compared across fence-lines between one communal and three adjacent commercial range-lands in Namaqualand, South Africa. The communal area has twice the…Publication Date 1999
- Arid rangelands
- birds
- grazing
- livestock impacts
- small mammals
- Succulent karoo
- livestock
- management
- biodiversity
- Africa
- Library Collection RecordInvertebrate assemblages occurring on Paulshoek, a heavily grazed communal farm in Namaqualand, South Africa, were compared to those found on adjacent, moderately grazed farms. The study was…Publication Date 1999
- invertebrates
- livestock grazing
- Arid rangelands
- Succulent karoo
- biodiversity
- grazing
- livestock
- Africa
- Library Collection RecordFifteen environmental variables, among them cattle density (hereafter [`]pressure index'), were measured along grazing gradients of eight boreholes at Olifants Drift in south-eastern Botswana.…Publication Date 1998
- environmental variables
- pressure index
- Grazing gradients
- bush-encroaching
- CANOCO
- boreholes
- encroacher
- cattle
- grazing
- stocking rates
- indigenous encroaching species
- pastoralism
- subsistence agriculture
- Africa
- Library Collection RecordThe significance of encroacher woody plant browse (among other factors) in the composition of the diet of cattle was quantified for July 1996, March 1997 and September 1997. This is important because…Publication Date 1998
- woody encroachers
- woody plant browse
- carrying capacity
- communal rangelands
- crude protein
- D. cinerea
- G. flava
- forage quality
- Forage Quantity
- foraging ecology
- cattle
- grasslands
- grazing
- vegetation dynamics
- ecosystem dynamics
- Africa
- Library Collection RecordFive techniques that are generally used in the western part of the grassland biome of southern Africa were evaluated. The techniques were tested on the mid-slopes (high species diversity) and…Publication Date 1997
- grazing gradient
- Key Species
- forage factors
- ordination
- grasslands
- grazing
- monitoring
- forage quality
- foraging ecology
- degradation
- Africa
- Library Collection RecordThis paper examines the advantages of the traditional cattlepost system against the recent drive towards the fencing of Botswana's rangelands and the establishment of privatised, commercial beef…Publication Date 1996
- rangelands
- degradation
- Kalahari
- Cattle Ranching
- Hunter-gatherers
- Botswana
- cattle
- subsistence agriculture
- commercial agriculture
- socio-economic aspects
- Economic Aspects
- politics
- policies
- grazing
- Africa
- Library Collection RecordRangeland ecologists, particularly those in North America, have traditionally worked with a paradigm founded on the notion of Clementsian succession. This is increasingly being called into question.…Publication Date 1997
- succession
- Climax
- Land Units
- Geomorphology
- environmental factors
- floristic
- physiognomic
- vegetation dynamics
- grazing
- management
- Africa
- Library Collection RecordFood plant selection by herbivorous mammals and by harvester ants Messor capensis was compared for three sites differing in past and present management in the southern Karoo, South Africa. At all…Publication Date 1993
- ecology
- seeds
- insects
- grazing
- management
- rangeland condition
- rangelands
- degradation
- Africa
- Library Collection RecordWhat is overgrazing? Does it cause soil erosion? The recent debate from the ecological literature is reviewed as background to the debate on overgrazing and soil erosion. This debate stresses the…Publication Date 2004
- soil erosion
- Over Grazing
- Communal lands
- equilibrium and non-equilibrium theory
- South Africa
- grazing
- communal farming
- Abandoned lands
- rangeland condition
- management
- Africa
- Library Collection RecordA paired site study was conducted of communally grazed eutrophic and dystrophic grasslands and adjacent ungrazed areas of varying periods of exclusion from communal grazing. This allowed…Publication Date 1999
- grasslands
- grazing
- rural areas
- subsistence agriculture
- animal production
- plant production
- biodiversity
- Africa
- Library Collection RecordThe objective of this study, which was part of a larger grazing-systems experiment, was to investigate the cumulative impact of three levels of grazing intensity on sward production, utilization and…Publication Date 2014
- grazing
- management
- cows
- dry matter
- plant production
- Economic Aspects
- post-grazing sward height
- tiller density
- rejected area
- leaf yield
- Lolium perenne
- Ireland
- Co. Cork
- Ireland
- Library Collection RecordAnts are a prominent invertebrate group used to assess ecological change in response to disturbance. Their application as a bioindicator group has been particularly widespread in Australia, and a…Publication Date 2010
- Ants
- grazing
- Bioindicator
- land management
- Global patterns
- insects
- grasslands
- rangeland condition
- disturbance
- management
- Australia
- Library Collection RecordPlant facilitation (positive plant-plant interactions) strongly influences biodiversity, structure, and dynamics in plant communities, and the topic has received considerable attention among…Publication Date 2010
- Arid and semi-arid rangelands
- Habitat modification
- Resource balance hypothesis
- wind erosion
- rainfall
- rangeland condition
- rangelands
- erosion
- vegetation dynamics
- biodiversity
- grazing
- Mongolia
- China
- Library Collection RecordOn rangelands, uneven or unmanaged livestock distribution can adversely affect plant community composition, riparian function, or displace wildlife. These issues have historic precedents and are…Publication Date 2009
- range management
- grazing behaviour
- forage selection
- standing crop
- management
- grasslands
- plant production
- forage quality
- cattle
- grazing
- Burns
- Oregon
- USA
- Library Collection RecordThis paper examines if post-fire deferment and periodic rests provided by rotational grazing allowed for more rapid recovery of soil cover, soil chemical and physical parameters, and vegetation…Publication Date 2010
- grazing management
- infiltration
- prescribed burning
- soil health
- summer fire
- rangeland restoration
- Soil Condition
- management
- grazing
- fire ecology
- plant production
- plant community ecology
- rangeland condition
- rangelands
- Texas
- USA
- Library Collection RecordDioecious plants frequently face sex-related resource allocation trade-offs. Differential traits of male and female plants can have important consequences that influence their direct and indirect…Publication Date 2013
- arid ecosystems
- dioecy
- life-history traits
- O-ring statistics
- plant-herbivore interactions
- plant-plant interactions
- sex ratio
- Sexual dimorphism
- spatial pattern
- trade-offs
- grasslands
- grazing
- management
- ecosystem ecology
- Patagonian steppe
- south-western Chubut
- Argentina
- Library Collection RecordChilean needle grass [Nassella neesiana (Trin. & Rupr.) Barkworth; CNG] is a perennial spear grass that has invaded pastures in south-eastern Australia and can lead to a substantial reduction of…Publication Date 2014
- management
- grazing
- sheep
- grazing management
- pasture management
- sheep
- Weeds
- Alien invasive species
- grasslands
- animal production
- Herbicide
- soils
- seeds
- Austrailia
- Library Collection RecordSpecies richness of plants generally decreases along elevational gradients or peaks at intermediate elevations. Land use including grazing by wild and domestic herbivores also affects plant…Publication Date 2013
- beta diversity
- buffering
- climate warming
- determinants of plant community diversity and structure
- herbivory
- homogenization
- land use
- species richness
- stability
- turnover
- globale warming
- grazing
- Norway
- Europe
- Library Collection RecordDistance to grazing hotspots like watering points or farms is regularly used as proxy for grazing intensity in extended rangelands. In many studies the resulting patterns between distance and grazing…Publication Date 2010
- Ecological threshold
- Grazing hotspot
- piosphere
- rangelands
- state and transition model
- trampling
- grazing
- livestock
- management
- Library Collection RecordGrassland vegetation can provide visual cover for terrestrial vertebrates. The most commonly used method to assess visual cover is the Robel pole. We test the use of digital photography as a more…Publication Date 2010
- bunchgrass
- Digital image analysis
- grazing
- litter
- range management
- Robel pole
- wildlife management
- remote sensing
- British Columbia
- Canada
- Library Collection RecordThe invasion of exotic grasses into savannas is occurring globally. Despite threats to ecosystem processes and biodiversity, few studies have investigated factors that facilitate invasion success. *…Publication Date 2013
- cattle grazing
- exotic grass
- facilitation
- grass-fire cycle
- savanna
- wind dispersal
- grazing
- Alien invasive species
- ecosystem ecology
- restoration ecology
- Cenchrus ciliaris
- grasses
- fire ecology
- grazing
- soils
- rainfall
- drought
- Queensland
- Australia
- Library Collection RecordThis study investigated the long-term effects on sward composition and animal performance of applying different fertilizer regimes to upland permanent pasture. The experiment, which was carried out…Publication Date 2011
- pasture
- management
- grazing
- animal production
- fertilizer
- Extensification
- sheep
- botanical composition
- nutritive value
- liveweight gain
- Wales
- Great Britain
- Library Collection RecordA simulation model was used to determine the ecological and economic consequences of managing stocking rate on semi-arid savanna rangeland continuously stocked with livestock to achieve the alternate…Publication Date 2009
- continuous grazing
- ranching systems
- range condition
- semi-arid
- stocking rates
- sustainability
- Economic Aspects
- grazing
- savanna
- rangeland condition
- management
- rainfall
- indigenous encroaching species
- animal production
- modelling
- plant production
- Library Collection RecordThis study aimed to estimate green herbage biomass (GBM) and crude protein (CP) concentrations of a mixed-sown pasture in Hokkaido, Japan using ground based hyperspectral measurements and…Publication Date 2011
- plant production
- fodder quality
- pastures
- management
- grazing
- geostatistical analysis
- herbage biomass
- Herbage Quality
- hyperspectral measurement
- mapping
- Hokkaido
- Japan
- Library Collection RecordTo elucidate the cessation impacts of agricultural management on a semi-natural grassland ecosystem, effects of grazing and burning on species composition of vascular plants were investigated in Mt.…Publication Date 2014
- management
- agriculture
- grasslands
- grazing
- fire ecology
- species richness
- Agricultural disuse
- environmental gradient analysis
- scale dependent
- soil physical conditions
- volcanic ash soil
- Mt. Aso
- Japan
- Library Collection RecordMutualism between plants and animals demonstrates that grazing has positive impacts on plant growth. Animal saliva plays an important role in plant–herbivore interactions, and various salivary…Publication Date 2014
- grazing
- management
- plant removal
- plant-herbivore interactions
- compensation
- Leymus chinensis
- sheep
- epidermal growth factor
- thiamine
- late-growing season
- China
- Library Collection RecordQuestion: Can we predict the spatial distribution of plant communities in semi-arid rangelands based on a limited set of environmental variables? Where are priority areas for conservation located?…Publication Date 2011
- CT-model
- Decision tree classifier
- grazing intensity
- Juniperus excelsa woodlands
- rangelands
- ecosystem ecology
- mapping
- conservation ecology
- grazing
- modelling
- agriculture
- Al Jabal al Akhdar
- Arabia
- Library Collection RecordQuestions: Does vegetation structure display any stability over the grazing season and in two successive years, and is there any correlation between the stability of these spatial patterns and local…Publication Date 2011
- Boolean process
- cattle
- functional diversity
- patch stability
- Semi-variograms
- Spatially explicit model
- stocking rate
- grazing
- cattle
- grassland
- modelling
- releves
- vegetation dynamics
- management
- Massif Central
- France
- Library Collection RecordQuestion: Can wild ungulates efficiently maintain and restore open habitats?Location: Brandenburg, NE Germany.Methods: The effect of wild ungulate grazing and browsing was studied in three…Publication Date 2011
- conservation
- Red deer
- Fallow deer
- succession
- species richness
- woody plant
- restoration ecology
- grazing
- game
- succession
- grassland
- releves
- conservation
- indigenous encroaching species
- Germany
- Library Collection RecordAbstract The ecogeomorphic processes occurring on semiarid rangelands are reviewed, with emphasis on the source-sink relations and positive feedback loops that existed between shrub patches and…Publication Date 2009
- intershrub areas
- shrubs
- soil resources
- trampling routes
- rangelands
- livestock
- Soil Condition
- grazing
- ecosystem dynamics
- Israel
- Library Collection RecordSoil solution nitrogen (N) concentrations in a non-fertilized Japanese lawngrass (Zoysia japonica Steud.; JL, native species) pasture were compared with those in a fertilized tall fescue (Festuca…Publication Date 2011
- grazing
- pastures
- cattle
- soil nutrients
- fertiliser
- Grazed pasture
- soil solution nitrogen
- Zoysia japonica Steud
- Japan
- Library Collection RecordIncreasing plant species diversity in grasslands may improve productivity and stability of yields. In a field experiment, we investigated the herbage dry-matter (DM) yield and crude protein content…Publication Date 2014
- plant production
- grasslands
- Dry Matter Yield
- legumes
- management
- fertiliser
- soil fertility
- multispecies mixtures
- cutting
- grazing
- grass-clover
- Trifolium pratense
- Trifolium repens
- Jutland
- Denmark
- Library Collection RecordThe effects of summer-to-winter simulated grazing management factors, namely defoliation interval (INT: 21, 42, 56 or 84 d), defoliation height (DH: 2·7, 3·6, 5·3 or 6·0 cm) and final defoliation…Publication Date 2014
- grazing
- management
- plant production
- fodder production
- pastures
- white clover
- perennial ryegrass
- defoliation
- Interval
- height
- closing date
- Ireland
- Library Collection RecordUnderstanding changes in biodiversity in agricultural landscapes in relation to land-use type and intensity is a major issue in current ecological research. In this context nutrient enrichment has…Publication Date 2011
- Biodiversity exploratories
- fertilization
- grazing
- land use
- mowing
- nitrogen
- nutrient limitation
- phosphorus
- productivity
- agriculture
- pastures
- grasslands
- plant production
- soil nutrients
- Europe
- Library Collection RecordObjective: To review the recent research into human-mediated dispersal (HMD) in the European rural landscape, and explore the potential positive aspect of HMD for grassland conservation, in contrast…Publication Date 2011
- Anthropochory
- conservation
- grassland
- long-distance dispersal
- restoration
- Zoochory
- seeds
- restoration ecology
- grazing
- Europe
- Library Collection RecordThe prediction of both food intake and milk production constitutes a major issue in ruminants. This article presents a model predicting voluntary dry matter intake and milk production by lactating…Publication Date 2011
- dry matter
- grazing
- Grazemore
- model
- dairy cow
- intake
- milk production
- lactation
- management
- Library Collection RecordGrazing lands in warm-temperate and subtropical North America have become less diverse. Pastures are typically grass monocultures, while rangelands are generally managed for the grass components.…Publication Date 2011
- grazing
- forage quality
- grasslands
- pastures
- rangelands
- restoration ecology
- warm-season legumes
- pasture diversity
- North America
- Library Collection RecordQuestion: Can managing disturbance regimes alone or in combination with seeding native species serve to shift the balance from exotic towards native species? Location: Central coast of California,…Publication Date 2011
- clipping
- Coastal Prairie
- Danthonia californica
- exotic species
- grazing
- mowing
- Plant guilds
- grasslands
- disturbance
- restoration ecology
- releves
- California
- USA