Rangeland Ecology & Management
Get reliable science
Toggle Search
Result Type
Collection
Keywords
Document Type
Displaying 151 - 200 of 281 results
- Library Collection RecordNo abstract is available for this article.Publication Date 2010
- biodiversity hot spot
- climate change
- science planning
- biodiversity
- South Africa
- Western Australia
- 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 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 RecordSchinus molle (Peruvian pepper tree) was introduced to South Africa more than 150 years ago and was widely planted, mainly along roads. Only in the last two decades has the species become naturalized…Publication Date 2009
- Alien invasive species
- germination
- seeds
- savanna
- South Africa
- 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 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 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 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 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 RecordAbstract Woody plant increase in grassy biomes has been widely reported over the last century. Increases have been attributed to local drivers associated with land use change, such as heavy grazing…Publication Date 2010
- biome switch
- global drivers
- land use practices
- local drivers
- thicket expansion
- indigenous encroaching species
- grasslands
- grazing
- fire ecology
- carbon dioxide
- Aerial Photographs
- land use
- conservation
- commercial agriculture
- communal farming
- stocking rates
- South Africa
- Library Collection RecordSoil restoration is a means of combating desertification in semi-arid and arid parts of the world. There, vast areas of the cropped soil degrade, particularly because of the loss of organic matter.…Publication Date 2010
- carbon sequestration
- grasslands
- pasture management
- soil organic carbon
- management
- restoration ecology
- soils
- degradation
- South Africa
- Library Collection RecordNo abstract is available for this article.Publication Date 2012
- soils
- South Africa
- Library Collection RecordThis study investigated the utilization of mist-belt grassland habitat by the threatened blue swallow and was conducted over three successive breeding seasons in the Blue Swallow Natural Heritage…Publication Date 2009
- conservation
- flight speed
- habitat management
- habitat requirements
- home-range
- South Africa
- Library Collection RecordAbstract Burning is commonly used in savannas to stimulate grass regrowth for grazing ungulates. We recorded the relative use of burns occurring at different stages in the seasonal cycle, as well as…Publication Date 2010
- burned grassland
- faecal nitrogen
- faecal phosphorus
- fire management
- foraging behaviour
- Hippotragus niger
- fire ecology
- grasslands
- savanna
- forage quality
- diet selection
- grazing
- foraging ecology
- nutrition
- South Africa
- Library Collection RecordAbstract Grazing is one of the key processes in terrestrial ecosystems and this can be provided by both indigenous and domestic ungulates. However, a question remains whether or not traditional forms…Publication Date 2010
- biodiversity
- dung beetles
- grazing
- land use
- indicator species
- livestock
- insects
- management
- conservation
- Vaalbos National Park
- South Africa
- Library Collection RecordThe Grassland Biome is currently one of the most threatened biomes in South Africa and is in dire need of a biomonitoring protocol. The components of ecological integrity in these ecosystems are,…Publication Date 2009
- Ecological Index value
- ecological integrity
- functional feeding groups
- insects
- SAGraSS method
- grasslands
- monitoring
- rangeland condition
- South Africa
- 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 RecordThe structure and composition of savanna vegetation is influenced by resource availability and disturbance. Grasses, a major component of savanna systems, influence the tree-grass balance by…Publication Date 2012
- Acacia karroo
- Acacia nilotica
- Bush encroachment
- competition
- soil nutrients
- KwaZulu-Natal
- 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 RecordQuestions What are the characteristics of soil seed banks in highly endangered renosterveld vegetation and adjacent degraded sites? What is the contribution of the soil seed bank to restoring…Publication Date 2013
- ecology
- soils
- seed bank
- degradation
- agriculture
- fire ecology
- management
- restoration ecology
- Alien invasive species
- indigenous vegetation
- wartland Shale Renosterveld
- Cape Floristic Region
- South Africa
- Library Collection RecordSavannah ecosystems are important carbon stocks on the Earth, and their quantification is crucial for understanding the global impact of climate and land-use changes in savannahs. The estimation of…Publication Date 2014
- allometry
- biomass estimations
- Kalahari
- savannah
- ecosystem ecology
- climate change
- South Africa
- Library Collection RecordEstimates of vegetation greenness have been commonly used to gain information on herbivores' resource use (i.e. cattle). Green vegetation is considered of higher quality than senescent…Publication Date 2013
- grasslands
- NDVI
- South Africa
- 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 RecordPlant functional diversity and soil microbial community composition are tightly coupled. Changes in these interactions may influence ecosystem functioning. Links between plant functional diversity,…Publication Date 2013
- ecology
- Ecosystem function
- soils
- spceis diversity
- grasslands
- carbon dioxide
- South Africa
- Library Collection RecordThe KwaZulu-Natal region of South Africa hosts a large diversity of asclepiads (Apocynaceae: Asclepiadoideae), many of which are endemic to the area. The asclepiads are of particular interest because…Publication Date 2003
- animals
- ecosystem
- Flowers/physiology/ultrastructure
- Gentianaceae/*physiology
- Hymenoptera/*physiology/ultrastructure
- microscopy
- Electron
- Scanning
- Poaceae/*physiology
- Pollen/*physiology/ultrastructure
- South Africa
- grasslands
- endemic species
- ecosystem ecology
- insects
- 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 RecordSpatial prioritizations and gap analyses are increasingly undertaken to allocate conservation resources. Most spatial prioritizations are conducted without specifying the conservation instruments to…Publication Date 2011
- Conservancy
- Community conservation
- Effectiveness
- Gauteng
- off-reserve conservation
- optimal instrument mix
- conservation
- management
- Eastern Cape
- South Africa
- Library Collection RecordThe Western Cape Province of South Africa has a long history of human occupation and utilisation; the impact of colonial settlement (late 17th century onwards) on agriculture has been especially…Publication Date 2003
- soil erosion
- soil conservation
- Land use policy
- Environmental history
- South Africa
- conservation
- land use
- agriculture
- degradation
- Africa
- Library Collection RecordIn many South African catchments, water is an increasingly limited and highly fluctuating resource. Accurate prediction of low flows is especially vital if water resource managers are to successfully…Publication Date 2003
- streamflow
- IHACRES
- land-use
- Rainfall-runoff model
- South Africa
- hydrology
- modelling
- rainfall
- decision support systems
- ecosystem ecology
- Africa
- Library Collection RecordA number of methodological approaches to understanding and quantifying the potential impacts of changes in macroeconomic and sectoral policies on the natural resource environment have been developed…Publication Date 2000
- Farming practices
- Economic policy
- Environmental indicators
- South Africa
- policies
- Economic Aspects
- decision support systems
- agriculture
- Africa
- Library Collection RecordIn southern African countries soil erosion and the related problems, such as water quality issues or decreasing soil productivity, are the main topics affecting the inhabitants of both rural and…Publication Date 2003
- gully erosion
- Erosion modelling
- Erosion Response Units
- Swaziland
- South Africa
- modelling
- soil erosion
- agriculture
- remote sensing
- Africa
- Library Collection RecordThis paper draws on recent empirical studies of changing land and water use in semi-arid Africa to identify socioeconomic and political dynamics and discusses their implications for current policy…Publication Date 2003
- Decentralization
- land tenure
- Mali
- Kenya
- Botswana
- South Africa
- land reform
- land use
- socio-economic aspects
- politics
- policies
- management
- Africa
- Library Collection RecordLittle is known regarding the effects of land use on soil organic matter status and earthworm communities in South African soils. For that reason the effects of the main agricultural land uses in the…Publication Date 2003
- earthworms
- Soil organic C
- microbial biomass
- pastures
- Arable crops
- forests
- Oxisols
- South Africa
- KwaZulu-Natal
- Soil Condition
- soil fertility
- invertebrates
- agriculture
- management
- land use
- Africa
- Library Collection RecordA study on grasshopper assemblage response to seasonal grazing, rotational grazing, continuous resting and continuous grazing was undertaken in the eastern Karoo, South Africa. Rotationally-grazed…Publication Date 2003
- seasonal grazing
- rotational grazing
- Karoo
- grasshoppers
- South Africa
- plant production
- insects
- grazing
- land use
- rangelands
- biodiversity
- Africa
- Library Collection RecordWith an increased emphasis on the tangible demonstration of the socio-economic benefits of research the need arises for impact evaluation. Impact assessment is a form of evaluation that deals with…Publication Date 2001
- impact
- indicators
- Social
- economic
- South Africa
- Africa
- Library Collection RecordThe diminishing wilderness areas remaining in southern Africa offer opportunities to establish and market ecotourism destinations. It would thus be useful to gain insight into what conditions make…Publication Date 2001
- eco-tourism
- economic viability
- local communities
- environmental impacts
- Ongoye Forest
- South Africa
- Economic Aspects
- modelling
- Africa
- Library Collection RecordRecent political transformation in South Africa has laid the basis for significant socioeconomic change. One area in which the greatest socioeconomic disparities are discernable is the agricultural…Publication Date 1999
- agriculture
- Resettlement
- Rural development
- South Africa
- socio-economic aspects
- subsistence agriculture
- commercial agriculture
- economics
- Africa
- Library Collection RecordThe stable carbon isotope ratio of fossil tooth enamel carbonate is determined by the photosynthetic systems of plants at the base of the animal's foodweb. In subtropical Africa, grasses and…Publication Date 2003
- Australopithecines
- South Africa
- carbon isotopes
- diet
- C4 plants
- palaeobotany
- Africa
- Library Collection RecordSr and Ba levels of two proximal aragonite speleothems from Cold Air Cave, South Africa, are examined at [mu]m resolution. A compositional map derived from parallel secondary ion mass spectrometry…Publication Date 2003
- South Africa
- Cold Air Cave
- Speleothem
- SIMS
- ion probe
- palaeoenvironments
- palaeobotany
- rainfall
- Africa
- Library Collection RecordMultivariate analyses and complementarity-based reserve selection algorithms were used as tools for delimiting representative conservation areas in KwaZulu-Natal, South Africa, based on environmental…Publication Date 2001
- birds
- climate
- Conservation area selection
- Pattern and process
- ordination
- spatial autocorrelation
- South Africa
- conservation
- modelling
- land use
- data analysis
- Africa
- Library Collection RecordThe dietary regimes of 15 ungulate species from the middle Pleistocene levels of the hominid-bearing locality of Elandsfontein, South Africa, are investigated using the mesowear technique. Previous…Publication Date 2009
- Elandsfontein
- Mid-Pleistocene
- ungulates
- Mesowear
- palaeoenvironment
- palaeobotany
- Elandsfontein
- Western Cape
- South Africa
- Library Collection RecordPost-1994 land reform policies have had limited effects on land use in the communities surrounding Dwesa-Cwebe Nature Reserves in South Africa's Transkei region. Likewise, prior state…Publication Date 2009
- land tenure
- protected areas
- villagization
- forests
- socio-economic aspects
- politics
- land use
- subsistence agriculture
- legislation
- management
- stakeholders
- South Africa
- Library Collection RecordUrban nature conservation issues in South Africa are overshadowed by the goal to improve human well-being, which focuses on aspects such as poverty, equity, redistribution of wealth and wealth…Publication Date 2004
- Biotope mapping
- Integrated research
- native vegetation
- Phytosociology
- Urban ecology
- grasslands
- South Africa
- decision support systems
- biodiversity
- land-use
- Africa
- Library Collection RecordDairy production from planted pastures is one of the main farming systems in the southern Cape region of South Africa. Large tracts of natural rangeland were converted to planted pastures for…Publication Date 2013
- Minimum-tillage
- pasture
- water holding capacity
- Physical resistance
- Infiltration Rate
- Water Stable Aggregates
- pasture management
- Soil Condition
- South Africa
- Library Collection RecordUrban and peri-urban agriculture is becoming increasingly important as a source of income and food for the urban population in South Africa. This study was prompted by concerns of city authorities…Publication Date 2009
- Horticulture
- soil compaction
- Soil management effects
- Urban agriculture
- water content
- agriculture
- soils
- tillage
- soil moisture
- land use
- North West Province
- South Africa
- Library Collection RecordAbstract Invasive alien plants pose a threat to biodiversity worldwide, and the costs of control are ever-escalating. Early detection and prediction of areas potentially at risk is crucial to…Publication Date 2014
- Invasive alien species
- Potential distribution
- Occurrence data
- Species distribution modeling
- Maxent
- biodiversity
- South Africa
- 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 RecordThis study is the first detailed assessment of an invasion by Acacia implexa (Benth.) (screw-pod wattle) anywhere in the world. Approximately 30 000 A. implexa individuals were found spread over…Publication Date 2012
- biological invasions
- Early detection and rapid response
- Emerging invader
- Eradication
- Invasive alien plant
- South Africa
- Library Collection RecordLantana camara L. (sensu lato) has a wide range of impacts throughout its global invasive range. Here we review the mechanisms driving its invasion dynamics in South Africa at national (biome,…Publication Date 2012
- biological invasions
- Geographic Distribution
- management
- Kruger National Park
- South Africa
- Library Collection RecordThe ecology of Seriphium plumosum is not yet fully understood and therefore requires in-depth research to assist with the control of this encroacher plant. The habitat preferences of the plant were…Publication Date 2012
- bankrupt bush
- rangelands
- shrub encroachment
- Seriphium plumosum (Stoebe vulgaris)
- slangbos
- vaalbos
- Thaba Nchu
- South Africa