Rangeland Ecology & Management
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- Library Collection RecordAbstract Savannas are characterized by sparsely distributed woody species within a continuous herbaceous cover, composed mainly by grasses and small eudicot herbs. This vegetation structure is…Publication Date 2014
- cerrado
- Growth forms
- Herbaceous layer
- niche partitioning
- Resource Use
- water uptake
- Woody layer
- savanna
- grassland
- ecosystem ecology
- soil moisture
- rainfall
- Distrito Federal
- Brazil
- Library Collection RecordThe temporal variability of river and soil water affects society at time scales ranging from hourly to decadal. The available water (AW), i.e., precipitation minus evapotranspiration, represents the…Publication Date 2014
- climate change
- rainfall
- water availability
- climate projections
- Droughts
- CMIP5
- Flood
- Library Collection RecordResearch to study the effect of cover crop sowing rate, row spacing and cultivar on establishment of lucerne (Medicago sativa L.)-based pastures in a semi-arid zone mixed-farming system was…Publication Date 2014
- Lucerne
- plant production
- rainfall
- pasture
- management
- undersow
- nurse crop
- alfalfa
- forage
- companion crop
- Austrailia
- Library Collection RecordThe quality of the landscape is declining in many grassland and savanna areas of Africa as a consequence of woody plant encroachment. We investigated the changes in vegetation at selected sites on…Publication Date 2014
- Vegetation Change
- grasslands
- savanna
- degradation
- Bush encroachment
- land use
- soils
- rainfall
- temperature
- climate change
- carbon dioxide
- KwaZulu-Natal
- South Africa
- Library Collection RecordWith the rapid expansion of wildlife ranching and conservation in South African savannas and the resultant increase in multi-species grazing and browsing systems, information on browse production…Publication Date 2014
- savanna
- browsing
- grazing
- game
- wildlife
- conservation
- carrying capacity
- climate
- soil
- rainfall
- South Africa
- Library Collection RecordBrowsing herbivores are generally highly selective feeders, selecting for new shoots and young plant material. Determinations of browser carrying capacity are then greatly inflated when based on…Publication Date 2014
- savanna
- browsing
- grazing
- game
- wildlife
- conservation
- carrying capacity
- climate
- soil
- rainfall
- modelling
- plant production
- management
- Zululand region
- KwaZulu-Natal
- South Africa
- Library Collection RecordAn online decision support system derived from research and expert knowledge was developed for arid rangeland management in central Namibia. The expert system emphasises the control of bush…Publication Date 2014
- Bush encroachment
- decision support systems
- rangeland management
- rainfall
- savanna
- restoration ecology
- photographs
- Namibia
- Africa
- Library Collection RecordBush encroachment has been recognised in southern Africa since the late nineteenth century. Our review of 23 studies showed that the rate of woody cover change has ranged from ?0.131 to 1.275% y?1.…Publication Date 2014
- Bush encroachment
- ecosystem ecology
- grazing
- fire
- rainfall
- grasses
- carbon dioxide
- climate change
- management
- southern Africa
- Library Collection RecordWoody plant encroachment is frequent in dry savannas. Grazing is often considered to be a major cause of encroachment in dry savannas because grasses are removed by livestock, leaving bare areas for…Publication Date 2014
- Bush encroachment
- savanna
- grazing
- fire
- rainfall
- climate change
- management
- Kimberley area
- Northern Cape
- South Africa
- Library Collection RecordThis paper reports on diet selection of goats offered six browse species (i.e. Acacia natalitia [Vachellia natalitia], Acacia nilotica [Vachellia nilotica], Dichrostachys cinerea, Grewia occidentalis…Publication Date 2014
- foraging ecology
- goats
- animal nutrition
- diet selection
- rainfall
- Zululand thornveld
- KwaZulu-Natal
- South Africa
- Library Collection RecordQuestions What are the main drivers of variation in beta-diversity for Bromus erectus semi-natural dry grasslands of habitat 6210(*) at different scales? How should environmental variables and…Publication Date 2013
- biogeography
- Calcareous dry grasslands
- Conservation prioritization
- Habitat 6210(*)
- Habitats Directive
- Multiple regression on distance matrices
- Variation partitioning
- grasslands
- species diversity
- rainfall
- ecosystem ecology
- management
- Central Italy
- Library Collection RecordHerbivores influence the structure and composition of terrestrial plant communities. However, responses of plant communities to herbivory are variable and depend on environmental conditions,…Publication Date 2013
- abiotic gradients
- community structure
- exclosure experiment
- herbivory
- livestock-wildlife interactions
- plant species richness
- plant-herbivore interactions
- wildlife decline
- ecosystem ecology
- vegetation dynamics
- soils
- rainfall
- biodiversity
- East Africa
- Library Collection RecordEuclea divinorum, a fast establishing, unpalatable, and fire resistant bush is considered an invasive species in some parts of its range. In Ol Pejeta Conservancy (OPC), Kenya, E. divinorum bushes…Publication Date 2013
- Acacia drepanolobium
- encroachment
- Euclea divinorum
- grassland
- invasion
- seedlings
- indigenous encroaching species
- grasslands
- rainfall
- ecosystem ecology
- Kenya
- Africa
- Library Collection RecordQuestion How is the magnitude and seasonality of carbon uptake affected by the replacement of native grasslands by eucalyptus plantations? Location RÃo de la Plata Grasslands in Argentina and…Publication Date 2013
- ANPP
- land-use change
- MODIS
- NDVI
- RÃo de la Plata Grasslands
- tree plantations
- grasslands
- restoration ecology
- carbon sequestration
- rainfall
- plant production
- land use
- global warming
- management
- Argentina
- Uruguay
- 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 RecordMany regions of the globe are experiencing a simultaneous change in the dominant plant functional type and regional climatology. We explored how atmospheric temperature and precipitation control leaf…Publication Date 2013
- eddy covariance
- landscape position
- mesquite (Prosopis velutina)
- photosynthesis
- plant-climate interactions
- semi-arid
- temperature optima
- Vegetation Change
- woody plant encroachment
- indigenous encroaching species
- climate change
- temperature
- ecosystem ecology
- carbon flux
- rainfall
- grasslands
- savanna
- carbon dioxide
- San Pedro River
- Arizona
- USA
- Library Collection RecordWildfires can have significant impacts on rangeland productivity and functionality causing substantial economic losses to affected farmers. In August 2011, such wildfires swept through the North West…Publication Date 2013
- fire ecology
- rangelands
- plant production
- management
- grazing
- socio-economic aspects
- biodiversity
- savanna
- rainfall
- grazing capacity
- erosion
- ecosystem ecology
- soil nutrients
- South Africa
- Library Collection RecordDelayed seed germination is considered to be a bet-hedging strategy, but experimental evidence of its adaptive role as an inherited trait is still lacking. In each of two co-occuring annual grass…Publication Date 2012
- Desert annuals
- Reciprocal introduction
- seed dormancy
- seed size
- soil seed bank
- Aridity gradient
- Hordeum spontaneum
- Avena sterilis
- Bet-hedging
- seeds
- grasses
- seed banks
- rainfall
- ecosystem ecology
- Israel
- Library Collection RecordQuestions Do Acacia tortilis trees facilitate herbaceous species development under arid conditions? Do tree–herb interactions change with water stress and grazing intensity? Location National Park…Publication Date 2012
- Arid Areas
- Acacia tortilis subsp. raddiana
- grazing
- Herb composition
- microclimate
- Soil enrichment
- water stress
- water availability
- savanna
- drought
- rainfall
- ecosystem ecology
- North Africa
- Library Collection RecordThe outcome of plant-plant interactions depends on environmental (e.g. grazing and climatic conditions) and species-specific attributes (e.g. life strategy and dispersal mode of the species involved…Publication Date 2012
- competition
- diversity
- facilitation
- Open woodland
- Stress-gradient hypothesis
- species richness
- drylands
- grazing
- rainfall
- Species Specificity
- community analysis
- vegetation dynamics
- Australia
- Library Collection Record1. Understanding large-scale distribution shifts is vital to predict species responses to changes in the environment. Such shifts occur as a consequence of habitat distribution, dispersal processes…Publication Date 2012
- atlas data
- climate
- Colonisation
- dispersal
- distribution change
- extinction
- Habitat change
- plant population and community dynamics
- rainfall
- temperature
- British Isles
- Library Collection RecordWind erosion is a major contributor to desertification in the Sahel. Although three effective countermeasures for wind erosion (i.e. ridging, mulching with post-harvest crop residue, and windbreaks)…Publication Date 2011
- erosion
- desertification
- Sahel
- desert grasslands
- management
- soil fertility
- agriculture
- rainfall
- Soil Condition
- Sahel
- West Africa
- Library Collection RecordBackground: Numerous Cape Floristic Region (CFR) clades are found in the Afromontane region of Africa, causing speculation on the source of their distribution. The southern Escarpment has been…Publication Date 2011
- data analysis
- montane grasslands
- ecosystem ecology
- palaeobotany
- climate change
- rainfall
- South Africa
- Library Collection Record1. Ecologists debate the importance of neutral versus niche-based explanations for patterns of species coexistence and whether small-scale data can inform ecological understanding of communities,…Publication Date 2011
- community analysis
- ecosystem ecology
- rainfall
- soil nutrients
- modelling
- abiotic gradients
- community assembly theory
- environmental filters
- grass phylogeny
- K-statistic
- plant population and community dynamics
- plant species richness
- species coexistence
- structural equation modelling
- trait dispersion
- Tanzania
- Africa
- Library Collection Record1. Scaling theory predicts that organisms respond to different scales of resource patchiness in relation to their own size. We tested the hypothesis that the scale of nutrient patchiness mediates…Publication Date 2011
- savanna
- grassland
- ecosystem ecology
- soil nutrients
- fertiliser
- rainfall
- determinants of plant community diversity and structure
- Herbaceous
- heterogeneity
- mopane
- nitrogen
- phosphorous
- soil fertility
- water availability
- woodland
- Klaserie Private Nature Reserve
- South Africa
- Library Collection RecordQuestions: What are the patterns of remotely sensed vegetation phenology, including their inter-annual variability, across South Africa? What are the phenological attributes that contribute most to…Publication Date 2011
- Phytosociology
- AVHRR
- Biomes
- NDVI
- net primary production
- phenology
- Regression tree
- vegetation mapping
- mapping
- remote sensing
- plant production
- rainfall
- diversity
- South Africa
- Library Collection RecordSubtropical thicket dominated by the leaf- and stem-succulent tree Potulacaria afra (spekboom) accumulates extraordinarily high amounts of soil organic carbon for a semi-arid ecosystem. This has been…Publication Date 2011
- carbon dioxide
- rainfall
- restoration
- Semi-arid ecosystem
- soil organic matter
- carbon sequestration
- climate change
- Eastern Cape Province
- South Africa
- Library Collection RecordEnumeration of carbon stocks at benchmark sites is a necessary activity in assessing the potential carbon sequestration and possible generation of credits through restoration of intensively impacted…Publication Date 2011
- allometry
- basal area
- biomass
- carbon
- Lowveld
- savanna
- Mesophyllous
- Microphyllous
- rainfall gradient
- volume
- carbon sequestration
- restoration
- rainfall
- South Africa
- Library Collection Record1. Annual above-ground net primary productivity (ANPP) in mesic grasslands is known to be highly temporally variable. While yearly precipitation or average yearly temperature can explain some of this…Publication Date 2011
- grasslands
- rainfall
- temperature
- plant production
- C4 grasses
- ecosystem ecology
- climate variability
- dominant species
- inflorescence
- intra-annual variation
- plant-climate interactions
- precipitation
- structural equation modelling
- tallgrass prairie
- temperature
- Kansas
- USA
- Library Collection RecordThe savannah of central Brazil occupies 208 million ha, of which about 54 million ha have been converted to cultivated pasture. The aim of this study was to provide the dynamics of evapotranspiration…Publication Date 2011
- savanna
- pasture
- evapotranspiration
- rainfall
- plant production
- Brachiaria brizantha
- Cerrado biome
- eddy covariance
- decoupling factor
- Brazil
- South America
- Library Collection RecordThe study area was located in the central Free State Grassland biome, but the vegetation partially represented riparian thicket. Leaf carriage patterns of deciduous species were determined from…Publication Date 2011
- foraging ecology
- leaf budding
- leafless period
- mixed feeder
- seasonal changes
- senescing leaves
- rainfall
- temperature
- game
- foraging ecology
- Forage Quantity
- forage quality
- stocking rates
- plant production
- Wag-‘n-Bietjie Private Nature Reserve
- South Africa
- Library Collection RecordStudies of facilitative interactions as drivers of plant richness along environmental gradients often assume the existence of an overarching stress gradient that equally affects the performance of…Publication Date 2011
- Competitive exclusion model
- Niche expansion
- Niche segregation
- plant-plant interactions
- Richness-biomass relationship
- Stress-gradient hypothesis
- species diversity
- ecosystem ecology
- rainfall
- Spain
- Australia
- Library Collection RecordMany exotic species have been introduced or have escaped into grasslands where they form "novel ecosystems" of species with no evolutionary history of interaction. Novel ecosystems are…Publication Date 2011
- novel ecosystems
- Alien invasive species
- phenology
- niche partitioning
- Equalizing and stabilizing effects
- plant diversity
- tallgrass prairie
- altered precipitation
- global change
- Eragrostis curvula
- Panicum coloratum
- Sorghum halapense
- Sporobolus compositus
- Panicum virgatum
- Sorghastrum nutans
- grasslands
- restoration ecology
- ecosystem ecology
- species diversity
- rainfall
- Texas
- USA
- Library Collection RecordAbstract not avaiable.Publication Date 2011
- biodiversity
- climate change
- global warming
- rainfall
- Nigeria
- Africa
- 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 Record1. Up to 73% of the world s rangelands are degraded, and increasing demand for meat in developing countries and a growing human population are likely to exert even greater pressures on rangelands in…Publication Date 2010
- restoration ecology
- stocking rates
- grazing
- rangelands
- rainfall
- management
- ecosystem ecology
- vegetation dynamics
- South Africa
- Library Collection Record1. Grazing lawns are short grassland areas where intense grazing maintains grass in an early growth stage. These areas represent a source of high-quality forage for herbivores. However, as herbivores…Publication Date 2010
- grazing
- grasslands
- management
- plant production
- savanna
- vegetation dynamics
- climatic variability
- continuous stocking
- grazing systems
- intensively managed grasslands
- large herbivores
- primary production
- rainfall
- white rhino
- South Africa
- Library Collection RecordIncreasing evidence shows that anthropogenic climate change is affecting biodiversity. Reducing or stabilizing greenhouse gas emissions may slow global warming, but past emissions will continue to…Publication Date 2010
- biodiversity hotspot
- climate change risk assessment
- Mediterranean type ecosystem
- species distribution modelling
- modelling
- climate change
- biodiversity
- greenhouse gases
- conservation
- rainfall
- South Africa
- Library Collection RecordThe Mediterranean climate regions of Western Australia and South Africa are recognized as global hot spots of diversity. Both are threatened by climate changes that are projected to have significant…Publication Date 2010
- approach
- biodiversity
- guideline
- monitoring
- climate change
- rainfall
- South Africa
- Western Australia
- Library Collection RecordPredicting the effect of different management strategies on range condition is a challenge for farmers in highly variable environments. A model that explains how the relations between rainfall,…Publication Date 2010
- catastrophe theory
- complexity theory
- Disequilibrium
- hysteresis
- moving attractors
- vegetation dynamics
- livestock
- rainfall
- rangelands
- mangement
- rangeland condition
- modelling
- ecosystem ecology
- stocking rate
- South Africa
- Library Collection RecordClimate change is possibly the most highly profiled scientific issue of our time. The projected changes in temperature and rainfall are substantial, as will be the associated impacts on biodiversity…Publication Date 2010
- climate change
- temperature
- rainfall
- biodiversity
- agriculture
- carbon dioxide
- policy
- South Africa
- Library Collection RecordRainfall variability is an important feature of semi-arid climates, and climate change is likely to increase that variability in many of these regions. An understanding of rainfall variability and…Publication Date 2010
- rainfall
- climate change
- grassland
- policies
- Botswana
- Africa
- Library Collection RecordTheoretical models predict that the relative importance of facilitation and competition may vary inversely across gradients of abiotic stress. However, these predictions have not been thoroughly…Publication Date 2010
- abiotic stress
- competition
- facilitation
- Herbaceous Species
- Tree
- plant autecology
- biodiversity
- savanna
- rainfall
- modelling
- North Africa
- Library Collection RecordThe Kalahari Transect (KT) is an International Geosphere-Biosphere Programme mega-transect designed to examine hydrological and ecological patterns and processes throughout the savannas of southern…Publication Date 2010
- grass biomass
- Kalahari
- phosphorus
- precipitation
- savanna
- rainfall
- ecology
- hydrology
- plant production
- Soil Condition
- fertilizer
- southern Africa
- Library Collection RecordMany researchers have used time-series analysis of remotely sensed images to gain understanding of the dynamics of loss of vegetation cover in drylands. However, complex interactions between…Publication Date 2010
- Loss of vegetation
- Mixed-effects
- NDVI
- remote sensing
- modelling
- NDVI values
- vegetation dynamics
- climate
- rainfall
- soils
- land use
- Somalia
- Ethiopia
- Africa
- Library Collection RecordAfrican savannas are primarily used as pastures and are subject to changes in climate and management strategies. For sustainable management of these landscapes ecological knowledge on seasonal and…Publication Date 2010
- beta diversity
- Distance decay
- Precipitation gradient
- species richness
- Systematic sampling
- Tree islands
- biodiversity
- savanna
- pasture management
- climate
- management
- sustainability
- rainfall
- monitoring
- conservation
- Namibia
- Africa
- Library Collection RecordThe impacts of fire and grazing management on grass nutritional quality in semi-arid savannas may depend on inherent variation in rainfall and soil nutrient status. We examined the effects of grazing…Publication Date 2010
- crude protein
- Grass nutritional quality
- phosphorus
- rainfall
- grazing
- fire ecology
- soil nutrients
- management
- savanna
- forage quality
- plant production
- Northern Cape
- South Africa
- Library Collection RecordBurnt daga structures in Iron Age villages serve as proxies for severe drought on the plateau of southern Africa. The distribution of burnt daga remains in two other rainfall areas, KwaZulu-Natal and…Publication Date 2010
- Burnt daga
- Cultural proxies for drought
- El Nino
- Iron age of south-eastern Africa
- palaeobotany
- palaeoclimate
- drought
- rainfall
- south-eastern Africa
- Library Collection RecordSouthern African savannas are mixed plant communities where C3 trees co-exist with C4 grasses. Here foliar ?15N and ?13C were used as indicators of nitrogen uptake and of water use efficiency to…Publication Date 2010
- stable isotopes
- soil nitrogen
- soil carbon
- aridity
- C3 plants
- C4 plants
- savanna
- Soil Condition
- grasslands
- water use efficiency
- rainfall
- plant autecology
- palaeobotany
- Africa
- Library Collection RecordThe spatial and temporal patterns of fire in Africa south of the equator are described and investigated to test hypotheses on the main drivers of fire. In particular, the relative importance of…Publication Date 2010
- fire ecology
- Savanna ecology
- southern Africa
- vegatation dynamics
- fires
- environmental aspects
- satellite imagery
- modelling
- global change
- rainfall
- southern Africa