Rangeland Ecology & Management
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- 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 RecordTree canopies can change soil environments. Our study looked at soils 10%, 50%, 100% and 150% the distance from tree trunk to canopy edge of leguminous sabiá (Mimosa caesalpiniifolia Benth.) and…Publication Date 2014
- savanna
- soil
- trees
- Pernambuco State
- north-east Brazil
- Library Collection RecordIn the Mopane Bushveld, Colophospermum mopane is viewed as a threat due to its ability to suppress the herbaceous layer. The objective of this study was to investigate the re-establishment of C.…Publication Date 2014
- Bush encroachment
- restoration ecology
- savanna
- management
- fodder production
- browsing
- soil nutrients
- Africa
- Library Collection RecordQuestions How do recent patterns of drought-induced woody plant mortality in Texas semi-arid savanna compare to the extended drought of the 1950s? Does the relative composition of the woody plant…Publication Date 2014
- climate change
- climatic variability
- dieback
- Flash drought
- grazing
- Juniperus
- Legacy effect
- rangelands
- scale
- State transition
- Vegetation Change
- woody encroachment
- drought
- savanna
- indigenous encroaching species
- grazing
- Texas
- USA
- Library Collection RecordAbstract The knowledge of relative performance of plants across environmental gradients is critical for their effective management and for understanding future range expansion. Pennisetum setaceum is…Publication Date 2014
- Alien grass
- Ecological invasions
- competition
- disturbance
- Seedling translocation
- Transplant experiment
- Alien invasive species
- management
- grasslands
- savanna
- ecosystem ecology
- restoration ecology
- 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 RecordEditorialPublication Date 2014
- modelling
- plant traits
- conservation
- restoration
- management
- Library Collection RecordThe ingression of woody plants into savannas, known as bush or shrub encroachment, has become a global concern. Fire has been acknowledged as a key factor in managing woody vegetation in savannas.…Publication Date 2014
- Bush encroachment
- savanna
- fire
- management
- grasslands
- old fields
- herbivores
- fire ecology
- Aulendorf
- Baden-Württemberg
- Germany
- 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 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 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 interaction, both above and belowground, between tree saplings and the surrounding grass sward is dependent on solar radiation, temperature, rainfall, soil depth, tree species and sward…Publication Date 2014
- vegetation dynamics
- encroachment
- management
- Aboveground competition
- belowground competition
- Bush encroachment
- savanna
- soil depth
- Ukulinga Research Farm
- Pietermaritzburg
- South Africa
- Library Collection RecordQuestion The co-existence of woody plants and grasses characterize savannas, with the horizontal and vertical spatial arrangement of trees creating a heterogeneous biotic environment. To understand…Publication Date 2014
- Carnegie Airborne Observatory
- heterogeneity
- LiDAR
- Object-based image classification
- vegetation structure
- woody vegetation
- savanna
- remote sensing
- biodiversity
- conservation
- mapping
- management
- monitoring
- vegetation analysis
- Sabi Sand Wildtuin and Kruger National Park
- Mpumalanga province
- South Africa
- Library Collection RecordSmoke from wildfires has adverse biological and social consequences, and various lines of evidence suggest that smoke from wildfires in the future may be more intense and widespread, demanding that…Publication Date 2014
- modelling
- management
- ecosystem ecology
- climate change
- smoke transport
- feedbacks
- coupled models
- 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 RecordAlthough forest and savanna biomes predominate in tropics regions, the factors that control their distribution remain unclear. South American savannas occur in regions that are considered warm and…Publication Date 2014
- Brazilian savanna
- delayed germination
- fire
- High Temperature
- seed moisture content
- water deficit
- savanna
- germination
- seeds
- fire ecology
- water
- temperature
- Brazil
- Library Collection RecordFew assessments of the effects of fire and grazing on the herbaceous components of savannas have been reported for Africa. In the Kruger National Park, South Africa, range condition was monitored at…Publication Date 2014
- fire ecology
- grazing
- management
- savanna
- game
- rangeland condition
- rainfall gradient
- grasses
- forage
- ecosystem ecology
- Kruger National Park
- South Africa
- Library Collection RecordAbstract Woody plant encroachment is a common consequence of disturbance in savannas. Grazers and browsers interfere with sapling establishment dynamics by direct consumption of plant tissue,…Publication Date 2013
- Acacia
- browsing
- grazing
- mesic savanna
- tree sapling biomass
- woody plant encroachment
- indigenous encroaching species
- savanna
- soil nutrients
- ecosystem ecology
- vegetation dynamics
- South Africa
- Library Collection RecordSeveral studies have demonstrated that seed mass is related to different environmental factors. However, they have taken no account of the joint effects of spatial and phylogenetic information. We…Publication Date 2013
- Elevational gradient
- Phylogenetic autocorrelation
- soil pH
- soil fertility
- spatial autocorrelation
- temperature
- seeds
- grasslands
- climate
- soils
- modelling
- land use
- southern Alps
- Library Collection RecordDecision-making for conservation management often involves evaluating risks in the face of environmental uncertainty. Models support decision-making by (1) synthesizing available knowledge in a…Publication Date 2013
- communication
- conservation
- modelling
- structured decision-making
- trust
- uncertainty
- management
- Library Collection RecordQuestions How do fragment-level characteristics affect remnant grassland functioning in a highly transformed landscape? Are artificial neural networks (ANNs) a better statistical tool to model…Publication Date 2013
- Enhanced vegetation index
- fragmentation
- Landscape structure
- MODIS data
- neural networks
- Paspalum quadrifarium
- Tall-tussock grassland
- grassland
- Ecosystem function
- ecosystem ecology
- modelling
- soils
- Tandilia Range
- Southern Pampa
- Buenos Aires Province
- Argentina
- 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 RecordGlobal warming is one of the most profound challenges for human beings during the 21st century. The world's leading scientists have identified that warming of the climate system is unequivocal,…Publication Date 2013
- climate change
- greenhouse gases
- global warming
- agriculture
- socio-economic aspects
- carbon dioxide
- Methane
- soils
- land use
- management
- carbon sequestration
- modelling
- monitoring
- Tsukuba
- Japan
- Library Collection RecordLarge mammalian herbivores are well recognized to play important roles in regulating woody cover and biomass in savannas, but the extent to which browsing ungulates are capable of regulating woody…Publication Date 2013
- browsing
- dik-dik
- elephant
- mortality
- plant-herbivore interactions
- recruitment
- shrub encroachment
- top-down control
- ecosystem ecology
- savanna
- biomass
- Plant Productivity
- management
- Africa
- Library Collection RecordRestoration priorities are typically established without quantitative information on how to overcome the thresholds that preclude successful restoration of desirable ecosystem properties and services…Publication Date 2013
- fire intensity
- fire physics
- fire trap
- grassland
- juniper
- positive feedback
- regime shifts
- resilience
- restoration ecology
- state and transition model
- restoration ecology
- fire ecology
- modelling
- management
- indigenous encroaching species
- grasslands
- United States
- Library Collection RecordThe development of models of the relationship between biodiversity and ecosystem function (BEF) has advanced rapidly over the last 20 years, incorporating insights gained through extensive…Publication Date 2013
- modelling
- biodiversity
- ecosystem ecology
- Ecosystem function
- species richness
- species composition
- Library Collection RecordKnowledge of the success or otherwise of conservation interventions is often locked within localised networks, resulting in mistakes being replicated unnecessarily. The savannahs of eastern and…Publication Date 2013
- conservation
- Evidence based conservation
- Management interventions
- national parks
- protected areas
- savanna
- management
- Africa
- Library Collection RecordAbstract Plant species introduced to new regions can escape their natural enemies but may also lose important mutualists. While mutualistic interactions are often considered too diffuse to limit…Publication Date 2013
- Biological invasion
- density-dependence
- establishment
- Exotic
- plant-animal interactions
- weed
- savanna
- Acacia karoo
- indigenous encroaching species
- Alien invasive species
- seeds
- insects
- ecosystem ecology
- restoration ecology
- New Zealand
- Austrailia
- Library Collection RecordFire and herbivory are the main disturbances shaping the structure of savannas. In these ecosystems, the key strategies by which woody plants escape fire are either early height growth (the lanky…Publication Date 2013
- African savannas
- bark thickness
- cerrado
- consumer control
- disturbance regime
- fire intensity
- fire-escape strategies
- herbivory
- plant development and life-history traits
- tree height
- savanna
- fire ecology
- Africa
- Library Collection RecordReserve site selection models can be enhanced by including habitat conditions that populations need for food, shelter, and reproduction. We present a new population protection function that…Publication Date 2013
- Reserve design
- Life history-based protection
- Spatial optimization
- 0-1 Programming
- conservation
- planning
- management
- ecosystem ecology
- modelling
- Lopez Island
- United States
- Library Collection RecordMany of the intransigent problems facing the world arise in complex systems. In this paper, I propose that communal rangelands in South Africa be recognised as complex social-ecological systems and…Publication Date 2013
- communal farming
- rangelands
- socio-economic aspects
- Sustainable development
- climate change
- policy
- management
- modelling
- subsistence agriculture
- South Africa
- Library Collection RecordIn the savanna rangelands of southern Africa, the debate about land reform tends to be about the redistribution of formerly freehold ranches and fencing-off the rangeland commons into ranches for…Publication Date 2013
- savanna
- rangelands
- management
- land reform
- communal farming
- sustainability
- policies
- socio-economic aspects
- South Africa
- Library Collection RecordQuestion What is the precision of five methods of measuring vegetation structure using ground-based digital imagery and processing techniques? Location Lincoln, Nebraska, USA Methods Vertical…Publication Date 2013
- Grassland vegetation structure
- Estimating vegetative cover
- Standing crop estimate
- Vertical obstruction
- visual obstruction
- grassland
- DIVA
- Phytosociology
- modelling
- Nebraska
- 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 RecordQuestions: In species response modelling, can a hierarchical logistic regression framework compete against GAM in terms of statistical inference? Are bimodal shapes useful to model species responses…Publication Date 2013
- ecology
- modelling
- ecosystem analysis
- Bioindication
- environmental gradient
- Hierarchical modelling
- logistic regression
- Realized niche
- Species optimum
- species turnover
- Germany
- Library Collection RecordThere has been much debate on the impact of large herbivores on biodiversity, especially given that large mammals are becoming locally extinct in many places. The use of evolutionary information on…Publication Date 2013
- herbivores
- species diversity
- community structure
- savanna
- ecosystem ecology
- determinants of plant community diversity and structure
- extinction
- functional diversity
- phylogenetics
- Kruger National Park
- South Africa
- 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 RecordThe interactions between vegetation dynamics, fuel dynamics and fire hazard in rehabilitation after bauxite mining at Gove, Northern Territory, Australia were investigated. It was found that a policy…Publication Date 2012
- fire
- fuel
- minesite
- rehabilitation
- savanna
- fire ecology
- management
- restoration ecology
- mine rehabilitation
- Nhulunbuy
- Northern Territory
- Australia
- Library Collection RecordLong-term ecological studies are critical for providing key insights in ecology, environmental change, natural resource management and biodiversity conservation. In this paper, we briefly discuss…Publication Date 2012
- ecological change
- ecological theory
- long-term ecological study
- modelling
- vulnerability assessment
- Library Collection Record1.?Treeless grasslands with climates that can support tree growth are common in upland regions around the world. In South Africa, the upland grasslands are adjacent to lowland savannas in many areas…Publication Date 2012
- savanna
- grasslands
- ecosystem ecology
- fire ecology
- day-length
- determinants of plant community diversity and structure
- fire
- frost
- growth rate
- savanna tree phenology
- temperature
- South Africa
- Library Collection RecordThis study examined the awareness and adaptation to climate change among farmers in the Sahel savanna agro-ecological zone of Borno State, Nigeria. Data for the study were collected from 225…Publication Date 2012
- climate change
- adaptation
- extension agent
- farmers
- savanna
- household income studies
- socio-economic aspects
- Borno State
- Nigeria
- North Africa
- 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 RecordTermites and large herbivores affect African savanna plant communities. Both functional groups are also important for nutrient redistribution across the landscape. We conducted an experiment to study…Publication Date 2012
- beta diversity
- disturbance
- Lake Mburo National Park
- Uganda
- large mammals
- nutrient levels
- savanna
- Termitaria
- Africa
- Library Collection RecordThe vegetation of Malilangwe Wildlife Reserve in Zimbabwe (39 378 ha) was classified and mapped in 2003 using an integrated approach of ground-based measurement and remote sensing. Environmental…Publication Date 2012
- classification
- GIS
- plant community ecology
- remote sensing
- savanna
- Zimbabwe
- Library Collection RecordFire is a process that shapes the structure and composition of vegetation in many regions. Species in these regions have presumably evolved life-history strategies that allow success in fire-prone…Publication Date 2012
- determinants of plant community diversity and structure
- fire
- growth
- plant functional traits
- savanna
- shifts in abundance
- topkill
- South Africa
- Library Collection RecordWhat underlies species distribution and species coexistence has long been of key interest in community ecology. Several methods and theories have been used to address this question. However, it still…Publication Date 2012
- ecosystem ecology
- grasslands
- national park
- conservation
- management
- community ecology
- savanna
- Kruger National Park
- South Africa
- Library Collection RecordFicus thonningii is a multipurpose browse tree in northern Ethiopia. Despite its importance, techniques for quantifying its browsable biomass have not been developed. To develop best-estimation…Publication Date 2012
- allometry
- indigenous fodder trees
- Tigray
- modelling
- plant production
- forage quality
- foraging ecology
- North Africa
- Ethiopia
- Library Collection RecordThe relative constancy of the lower limit on Earth’s atmospheric CO2 concentration ([CO2]a) during major tectonic episodes over the final 24 million years (Ma) of the Cenozoic is surprising because…Publication Date 2012
- biological weathering
- Miocene
- modelling
- mycorrhiza
- plant - climate interactions
- Library Collection RecordThe higher flammability of tropical savanna, compared with forest, plays a critical role in mediating vegetation-environment feedbacks, alternate stable states, and ultimately, the distribution of…Publication Date 2012
- C4 grass
- cerrado
- fire behaviour
- fire intensity
- positive feedback
- savanna
- fire ecology
- wind speed
- air temperature
- environmental variables
- Brazil
- Library Collection RecordClimate change impacts on agriculture could arguably be most critical for developing countries in tropical regions: their populations rely importantly on agriculture and climate-dependant resources,…Publication Date 2012
- climate change
- agriculture
- impacts
- tropics
- C4 crops
- plant production
- precipitation
- modelling
- subsistence agriculture
- food security
- Africa