Rangeland Ecology & Management
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- Library Collection RecordBiodiversity in Africa, Madagascar and smaller surrounding islands is both globally extraordinary and increasingly threatened. However, to date no analyses have effectively integrated species values…Publication Date 2006
- Africa
- biodiversity
- species
- Non-species biological values
- threat
- Africa
- Library Collection RecordAbstract: The KwaZulu-Natal Drakensberg, South Africa, is predominantly a grassland ecosystem maintained by fire. The effect of the current burning regime on invertebrate and flowering forb diversity…Publication Date 2006
- fire ecology
- grasslands
- ecosystem ecology
- biodiversity
- species richness
- invertebrates
- southern Africa
- Library Collection RecordThis 556-page book examines current grassland problems and issues, and provides an insight into grassland productivity in diverse areas of the world. There is a focus on recent technical advances and…Publication Date 2005
- grasslands
- foraging ecology
- agriculture
- climate change
- biodiversity
- GIS
- pastoralism
- Sustainable development
- Africa
- Library Collection RecordQuestion: What is the long-term compositional response of brass and forb species to various combinations of burning and mowina? Can these responses be predicted from simple plant traits? Location:…Publication Date 2005
- fire ecology
- grasslands
- mowing
- species richness
- biodiversity
- ecology
- Africa
- Library Collection RecordPredicting the probability of successful establishment of plant species by matching climatic variables has considerable potential for incorporation in early warning systems for the management of…Publication Date 2005
- Bioclimatic modelling
- biological invasions
- exotic species
- Invasive alien species
- plant invasions
- prediction
- propagule pressure
- risk assessment
- management
- Alien invasive species
- hazard assessment
- modelling
- biodiversity
- mapping
- climate
- ecosystems
- Africa
- Library Collection RecordIn evolutionary time frames, grazing by domesticated livestock on the short grass plains of East Africa is a new occurrence resulting in increased animal densities year around and modification to…Publication Date 2005
- evolutionary history of grazing
- Modified-Whittaker plots
- Serengeti ecosystem
- East Africa
- seasonal grazing
- rangelands
- savanna
- grazing
- biodiversity
- vegetation dynamics
- management
- livestock
- animal impact
- Africa
- Library Collection RecordThe influence of Colophospermum mopane (Kirk ex Benth.) Kirk ex J. Leonard on surface soil properties and understorey vegetation was investigated in a semi-arid southern African savanna in Bulawayo,…Publication Date 2005
- mopane
- Understorey vegetation
- Surface soil properties
- soil erosion
- soil nutrients
- Herbaceous species richness
- savanna
- Soil Condition
- biodiversity
- ecosystem dynamics
- ecosystem ecology
- soil fertility
- Africa
- Library Collection RecordThe sub-montane cultivation belt, with its so-called Chagga home gardens on Mount Kilimanjaro, was investigated for its Saltatoria fauna. Since these cultivated fields still have the structure of a…Publication Date 2005
- Orthoptera
- East Africa
- biodiversity
- Endemism
- conservation
- ecosystem ecology
- Africa
- Library Collection RecordHabitat degradation through over-grazing and wood collection is especially prevalent in developing countries such as South Africa. As human populations expand and the demand for land increases, the…Publication Date 2005
- Lizards
- ecosystems
- disturbance
- reptiles
- biodiversity
- human impact
- savanna
- Traditional medicine
- South Africa
- degradation
- conservation
- land use
- species richness
- vegetation dynamics
- Africa
- Library Collection RecordConcerns about biodiversity preservation through grazing have revived interest in feeding choices made by herbivores. In this article, we study the dynamics of behavioural intake response in…Publication Date 2005
- foraging behaviour
- Bite
- intake rate
- sheep
- Feeding choices
- rangelands
- biodiversity
- forage quality
- Africa
- Library Collection RecordProduction-oriented research in the second half of the 20th century made impressive contributions to technical developments which helped to meet the food requirements of an expanding world population…Publication Date 2005
- Grassland science
- research priorities
- Tertiary education
- Agro-ecology
- environment
- grasslands
- management
- land use
- biodiversity
- conservation
- socio-economic aspects
- Africa
- Library Collection RecordAim To determine whether patterns of avian species turnover reflect either biome or climate transitions at a regional scale, and whether anthropogenic landscape transformation affects those patterns…Publication Date 2004
- Avian species turnover
- ?-diversity
- biome
- heterogeneity
- spatial congruence
- birds
- biodiversity
- vegetation dynamics
- ecosystem ecology
- climate
- landscape ecology
- land use
- 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 RecordEnvironmental policies in African rangelands affect development and welfare as well as environmental measures. Biodiversity is widely perceived as declining, and environments as undergoing…Publication Date 2004
- environmental policy
- African rangelands
- Environmental discourse
- Kenya
- Tanzania
- Serengeti
- Mara
- land use
- Land privatisation
- Commercial cultivation
- Biodiversity decline
- policies
- rangelands
- biodiversity
- degradation
- management
- decision support systems
- pastoralism
- system economics
- Africa
- Library Collection RecordIn previous papers we have considered the optimal mix of biodiversity in semi-arid rangelands, focusing on the steady state. This paper addresses the question of conservation in the optimal use of…Publication Date 2004
- rangelands
- biodiversity
- Managed
- Natural
- conservation
- management
- fire ecology
- grazing
- livestock
- vegetation dynamics
- Africa
- Library Collection RecordRecent attempts to streamline the identification of areas requiring immediate conservation attention have resulted in the development of prioritisation procedures that identify areas of biodiversity…Publication Date 2004
- biodiversity
- conservation
- Land cover change
- Land use suitability
- land use
- savanna
- management
- decision support systems
- Africa
- Library Collection RecordSouth African grasslands support a rich flora that is attracting growing conservation interest. Fire has long been used to manage grasslands for livestock production. However, there is very little…Publication Date 2004
- Alpha-diversity
- Beta-diversity
- Long-term ecological research
- grasslands
- fire ecology
- conservation
- management
- species richness
- biodiversity
- Africa
- Library Collection RecordThe abundance and distribution patterns of four threatened species of bustards (Eupodotis caerulescens, E. barrowii, E. melanogaster and Neotis denhami) in 3200 km2 of montane grasslands in the…Publication Date 2004
- Bustards
- South Africa
- distribution patterns
- Conservation status
- grasslands
- birds
- land use
- biodiversity
- monitoring
- Africa
- Library Collection RecordMany external effects of land use change are based on modifications of lateral flows of soil, water, air, fire or organisms. Lateral flows can be intercepted by filters and thus the severity and…Publication Date 2004
- biodiversity
- Filters
- fire
- Lateral flows
- Scale effects
- Watershed functions
- land use
- policies
- fire ecology
- species richness
- vegetation dynamics
- stakeholders
- hydrology
- management
- decision support systems
- Africa
- Library Collection RecordSoil macrofauna are sensitive to land use changes and this may have implications to soil functioning. The impact of the conversion of native ecosystems into extensive or intensive pastures on soil…Publication Date 2004
- tropical savannas
- tropical forests
- Pasture establishment
- Soil macrofauna
- earthworms
- Soil biodiversity
- invertebrates
- soils
- ecosystem ecology
- cattle
- fire ecology
- biodiversity
- Africa
- Library Collection RecordClimate, topography, vegetation and land use interact to influence fire regimes. Variable fire regimes may promote landscape heterogeneity, diversification in vegetation pattern and biotic diversity…Publication Date 2004
- Botswana
- Fire exclusion
- fire management
- Landsat
- landscape heterogeneity
- Landscape metric
- Patch characteristic
- prescribed fire
- Principal components analysis
- South Africa
- land use
- fire
- fire ecology
- grasslands
- climate
- vegetation dynamics
- biodiversity
- ecology
- Africa
- Library Collection RecordBiodiversity conservation is a challenge within developing regions of the world. Landscape heterogeneity is largely directed by interconnected economic and social systems, which are largely driven by…Publication Date 2004
- Avian richness
- Habitat proportion
- KwaZulu-Natal
- land-use
- Landscape metric pattern
- multiple regression
- Socio-economic development
- southern Africa
- biodiversity
- conservation
- ecosystem ecology
- socio-economic aspects
- Africa
- Library Collection RecordThis chapter describes relationships between environmental stress and the reaction of plants thereupon. Plants might react to environmental stress on various levels: on the biochemical, cellular, or…Publication Date 2003
- Autecology
- biodiversity
- character state
- climate change
- ecotoxicology
- effects
- Ellenberg
- flora
- heavy metal
- IEPS
- insecticide
- PAF
- palynology
- photosynthesis
- Synecology
- vascular plants
- vegetation
- southern Africa
- Library Collection RecordIn the Sahel and the Kalahari, the growth in groundwater extraction via simple wells and boreholes is contributing to an increased use of dryland natural resources, to competition for resources, and…Publication Date 2003
- rangeland condition
- rainfall
- groundwater
- animal production
- vegetation dynamics
- biodiversity
- bush thickening
- indigenous encroaching species
- southern Africa
- Library Collection RecordIn this volume in honour of John Rogers we propose a new way of looking at Gondwana and we urge our colleagues everywhere to join us in this venture. The Gondwana Alive Corridors provide a way of…Publication Date 2003
- Gondwana Alive Corridors
- Sixth Extinction
- biodiversity
- consilience
- Earth System Science
- palaeobotany
- ecology
- Africa
- Library Collection RecordSouth Africa is rich in biological diversity, but measures to conserve this heritage are under-funded and are of relatively low priority at national level. Part of the problem is that the social…Publication Date 2003
- Value of biodiversity
- contingent valuation
- Fynbos
- climate change
- biodiversity
- socio-economic aspects
- Africa
- Library Collection RecordWe contend diets and habitats that allow animals to select among alternatives enable individuals to better meet needs for nutrients and to better cope with toxins. All plants contain toxins, and the…Publication Date 2003
- foraging ecology
- herbivory
- biodiversity
- conservation biology
- toxins
- diet selection
- toxicity
- nutrition
- grazing
- Africa
- Library Collection RecordEast Africa contains areas with some of the greatest large mammal biodiversity on the planet. These areas are key natural resources for the economic development of the region. They are also key areas…Publication Date 2003
- Agro-pastoralism
- savanna
- simulation
- Dietary energy
- cash flow
- Ngorongoro Conservation Area
- pastoralism
- cattle
- game farming
- biodiversity
- socio-economic aspects
- ecosystem dynamics
- modelling
- household income studies
- 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 RecordTransformation of natural vegetation to other land-uses, such as crop cultivation and urban development, presents the most important threat to biodiversity. Plant and animal species distribution data…Publication Date 2003
- Land transformation
- Biodiversity risk
- arable land
- conservation
- species richness
- biodiversity
- land reform
- land use
- policies
- management
- Africa
- Library Collection RecordSemi-arid rangelands, which have retrogressed beyond a certain threshold and could not rest-recover, can only be restored by mechanical inputs helping the re-establishment of vegetation. Therefore,…Publication Date 2003
- degradation
- Hollows
- Mechanical implements
- restoration
- Rip action
- Species composition and density
- Walking-stick planter
- rangeland condition
- restoration ecology
- species richness
- biodiversity
- Soil Condition
- Africa
- Library Collection RecordWe produced a conservation plan that achieved conservation targets for biodiversity pattern and process in the species- and endemic-rich Cape Floristic Region of South Africa. Features given…Publication Date 2003
- biodiversity
- conservation
- ecology
- restoration
- conservation
- management
- Africa
- Library Collection RecordThis paper provides an introduction and overview for the special issue on systematic conservation planning in the species-rich and highly vulnerable Cape Floristic Region. Firstly, we outline the…Publication Date 2003
- conservation
- planning
- management
- biodiversity
- land-use
- socio-economic aspects
- Africa
- Library Collection RecordThis study investigates the practical and financial implications of alternative strategies for meeting explicit conservation goals on the Agulhas Plain, South Africa. This is an area of exceptional…Publication Date 2003
- conservation planning
- off-reserve conservation
- Protected area network
- incentives
- Economic Aspects
- conservation
- biodiversity
- Alien invasive species
- agriculture
- land use
- management
- legislation
- Africa
- Library Collection RecordExpert-based and systematic, algorithm-based approaches to identifying priority areas for conservation are sometimes posited as alternatives. While both approaches have pros and cons, the systematic…Publication Date 2003
- conservation
- modelling
- biodiversity
- management
- Africa
- Library Collection RecordThe formulation of a strategic plan for the conservation of terrestrial biodiversity in the Cape Floristic Region (CFR; 87,892 km2) requires an objective and spatially explicit assessment of the…Publication Date 2003
- Biodiversity hotspots
- conservation planning
- Conservation area network: Ecological and evolutionary processes
- persistence
- Representation
- Gap analysis
- conservation
- GIS
- remote sensing
- biodiversity
- species richness
- management
- Africa
- Library Collection RecordThis is a keynote paper focusing on regional perspectives on agriculture and biodiversity by exploring the situation in Northern Africa, the West African Sahel, East Africa and the Horn, and Southern…Publication Date 2003
- agriculture
- biodiversity conservation
- disequilibrium theories
- environmental Kuznet's curve
- hotspots
- agroecological intensification
- agrodiversity
- organic farming
- agroforestry
- biodiversity
- economics
- soils
- livestock
- management
- land-use
- Africa
- Library Collection RecordAbstract Species diversity and community structure indices (richness, diversity and evenness) are typically derived from contemporary biological survey atlases to identify conservation areas or to…Publication Date 2002
- biodiversity
- conservation
- ecosystem ecology
- modelling
- land use
- Africa
- Library Collection RecordNatural products are becoming more important in modern-day society as man is moving away from synthetic products, which can be detrimental to the environment and human health. Scientific research on…Publication Date 2002
- Traditional healing
- Ethnobotany
- Amaryllidaceae
- Hyacinthaceae
- Bulbs
- medicinal plants
- biodiversity
- Africa
- Library Collection RecordMosaics of natural forest and grassland tracts in sub-Saharan Africa provide differences in woody species biodiversity. These mosaics are of considerable interest as they are a major biodiversity…Publication Date 2002
- biodiversity
- Shannon index
- tropical forest
- grassland
- burning
- spatial variability
- Uganda
- grasslands
- fire ecology
- management
- Africa
- Library Collection RecordGiven current population trends and projections in sub-Saharan Africa, it is anticipated that substantial intensification of agricultural cropland is certain within the next decades. In the absence…Publication Date 2002
- climate
- conservation
- Livelihoods
- socio-economic aspects
- ecology
- biodiversity
- legislation
- Communal areas
- subsistence agriculture
- sustainble development
- Africa
- Library Collection RecordBush encroachment is a serious environmental and economic problem in Namibia, but little is known about impacts on native reptile diversity. Area-confined visual surveys were used to examine a…Publication Date 2002
- Lizards
- Mabuya
- Pedioplanis
- Lygodactylus
- Bush encroachment
- savanna
- Habitat change
- Namibia
- Africa
- biodiversity
- indigenous encroaching species
- reptiles
- ecosystem ecology
- Africa
- Library Collection RecordRange condition at sites of differing land-use intensity at a communal farm was assessed. Vegetation, soil and termite parameters were tested for their potential as indicators. The vegetation…Publication Date 2002
- desertification
- land degradation
- range condition assessment
- indicators
- soil fertility
- Termites
- biodiversity
- land-use intensity
- land use
- degradation
- rangeland condition
- communal farming
- Soil Condition
- Africa
- Library Collection RecordPlant and bird species richness and abundance in two patches of native Acacia karroo and two patches of alien Prosopis species drainage line woodland in the southern Kalahari, South Africa, were…Publication Date 2002
- invasive plants
- Arid savanna
- Woodland structure
- bird communities
- diversity
- biodiversity
- vegetation dynamics
- Africa
- Library Collection RecordPeople have inhabited terrestrial ecosystems of the world for thousands of years. Both resource management systems and cosmological belief systems have evolved and continue to develop. In fact, most…Publication Date 2001
- conservation
- biodiversity
- southern Africa
- Library Collection RecordThe geology, climates past and present, and soils of Africa are summarized, as are the effects of fire on the vegetation. The vegetation and animals of each major zone – forest, tropical seasonal…Publication Date 2001
- ecosystem ecology
- biodiversity
- southern Africa
- Library Collection RecordAbstract. South Africa has an important responsibility to global biodiversity conservation, but a largely inadequate conservation area network for addressing this responsibility. This study employs a…Publication Date 2001
- biodiversity
- conservation
- savanna
- grasslands
- land use
- Africa
- Library Collection RecordWe investigated a variety of habitat characteristics along a land-use gradient in an attempt to determine which factors may have influenced the population decline of redwing francolin, Francolinus…Publication Date 2001
- grasslands
- grazing
- habitat
- redwing francolin
- pasture management
- birds
- ecology
- biodiversity
- fire
- Africa
- Library Collection RecordSummary * 1The influence of botanical composition on annual phytomass production of a semi-arid grassland in response to precipitation was tested with a 19-year experiment. Three compositional states…Publication Date 2001
- basal cover
- biodiversity
- plant production
- precipitation-use efficiency
- rainfall
- grasslands
- rangeland condition
- modelling
- runoff
- Africa
- Library Collection RecordInteractions between fire regime, dispersal strategies and patch structure were examined as key issues for the management of floristic composition of grasslands, through a model that simulates the…Publication Date 2001
- grasslands
- fire management
- fire frequency
- Dispersal strategies
- colonization
- simulation model
- grassland
- fire ecology
- management
- vegetation dynamics
- biodiversity
- modelling
- seeds
- Africa