Rangeland Ecology & Management
Get reliable science
Toggle Search
Result Type
Collection
Keywords
Document Type
Displaying 151 - 200 of 314 results
- Library Collection RecordTo test the effects of shade on understorey herbaceous productivity in tropical savannas, water relations of important grass species that either grow primarily under tree crowns or in open grasslands…Publication Date 1995
- Cynodon n1emfuensis
- Digitaria macroblephara
- Eustachyspaspaloides
- irradiance
- Panicum maximum
- rainfall-use efficiency
- stomatal conductance
- Tropical grasses
- water potential
- vegetation dynamics
- ecosystem ecology
- Africa
- Library Collection RecordThe impact of ecological factors such as changes in rainfall could lead to large compositional changes in the diverse indigenous flora of southern Africa. A study was therefore initiated to determine…Publication Date 1995
- vegetation
- rainfall increase
- rainfall decrease
- southern Africa
- rainfall
- species richness
- biodiversity
- drought
- grazing
- vegetation dynamics
- Africa
- Library Collection RecordThe concept of desertification has recently been re-evaluated with two major outcomes. Firstly, the term itself has been reviewed, with most authors concluding that the emotive implications of [`]…Publication Date 1995
- dryland degradation
- stocking rates
- grazing
- land use
- Vegetation Change
- conceptual model
- management
- ecosytem ecology
- vegetation dynamics
- Africa
- Library Collection RecordDuring the dormant winter period the semi-arid rangeland areas of South Africa are characterized by unplanned fires, either by lightning or negligence by man. The quantification of the impact of…Publication Date 2004
- Above-ground phytomass production
- basal cover
- Crude Protein Content
- Grass sward recovery
- Head fire
- litter
- rain-use efficiency
- root mass
- fire ecology
- rangelands
- plant production
- vegetation dynamics
- ecosystem ecology
- management
- Africa
- Library Collection RecordRangelands, generally located on steep semi-arid zones, have a special importance in resource management. Continued overgrazing and erosion cause range degradation by altering plant communities and…Publication Date 2003
- soil properties
- botanical composition
- Rangeland quality
- Landscape positions
- rangeland condition
- grazing
- erosion
- degradation
- vegetation dynamics
- Soil Condition
- Africa
- Library Collection RecordThis article describes a greenhouse gas (GHG) emissions scenario for a world that chooses collectively and effectively to pursue service-oriented economic prosperity while taking into account equity…Publication Date 2000
- climate change
- greenhouse gases
- socio-economic aspects
- carbon dioxide
- Africa
- Library Collection RecordThis paper examines the melding of two discourses in southeastern Zimbabwe: land reform and wildlife management. The former seeks to redistribute large, [`]under-utilized' landholdings to…Publication Date 2004
- Zimbabwe
- wildlife management
- land reform
- Campfire
- political ecology
- Lowveld
- Community based natural resource management
- management
- conservation
- land use
- socio-economic aspects
- politics
- wildlife
- Africa
- Library Collection RecordThis paper investigates the ways in which national and regional policies relate to farming activities and concerns amongst the rural population in an area of southern Africa. The struggle to make a…Publication Date 2004
- Smallholder agriculture
- Rural livelihoods
- drylands
- diversification
- southern Africa
- policies
- subsistence agriculture
- rural areas
- socio-economic aspects
- Poverty
- land use
- land reform
- Africa
- Library Collection RecordUsing normalized difference vegetation index (NDVI) imagery, we examined changes in vegetative cover across Tanzania and found that overall greenness increased over 13 years from 1982 to 1994. We…Publication Date 2000
- Habitat change
- NDVI
- protected areas
- Tanzania
- Vegetative greenness
- NDVI values
- mapping
- satellite imagery
- remote sensing
- vegetation dynamics
- management
- land use
- degradation
- Africa
- Library Collection RecordThe number of tsessebes in Kruger National Park, South Africa, increased during 1977-1985, but declined after 1986. We used tsessebe number and age structure to determine year-to-year variation in…Publication Date 2004
- drought
- population dynamics
- Population model
- rainfall
- plant production
- modelling
- tsessebe
- wildlife
- vegetation dynamics
- 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 RecordThe estimated number of tsessebes on a cattle and wildlife ranch in Zimbabwe decreased during 1995-1999 from 2209 to 435 animals. Existing records of rainfall, cattle management, wildlife numbers,…Publication Date 2003
- Tsessebe antelope
- population decline
- Damaliscus lunatus
- competition
- drought
- cattle
- vegetation dynamics
- forage quality
- Forage Quantity
- management
- 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 RecordThe impact of Community-Based Natural Resource Management (CBNRM) is seen by many as a 'win-win' situation with reference to natural resources conservation and the improvement of local…Publication Date 2010
- Community-based tourism
- community-based natural resource management
- Community participation
- Khama Rhino Sanctuary Trust
- eco - tourism
- Economic Aspects
- socio-economic aspects
- conservation
- Botswana
- Africa
- Library Collection RecordGlobal environmental change problems due to their unstructured characteristics, being marked by great uncertainties and a big number of stakeholders, prove to be too difficult to solve in a…Publication Date 2005
- stakeholder participation
- learning
- Systems change
- Global environmental change
- Transition management
- management
- stakeholders
- climate change
- socio-economic aspects
- Africa
- Library Collection RecordFour plant functional types (PFTs) were used to compare the vegetation structure of an alien-invaded Acacia nilotica savanna with one of negligible invasions. Heights, canopy covers and species…Publication Date 2010
- alien plants
- canopy cover
- composition
- physiognomy
- plant functional types
- plant height
- species richness
- savanna
- Alien invasive species
- vegetation dynamics
- KwaZulu-Natal
- South Africa
- Library Collection RecordNo abstract availablePublication Date 2009
- savanna
- vegetation dynamics
- Africa
- Library Collection RecordThe regeneration dynamics of South African subtropical thicket are poorly understood. This lack of knowledge hampers the development of appropriate restoration protocols in degraded landscapes. To…Publication Date 2009
- carbon credits
- Portulacaria afra
- restoration
- seed production
- seedling establishment
- soil organic matter
- seeds
- seed banks
- vegetation dynamics
- restoration ecology
- landscape ecology
- South Africa
- Library Collection RecordVegetation mapping of plant communities at fine spatial scales is increasingly supported by remote sensing technology. However, combining ecological ground truth information and remote sensing…Publication Date 2010
- cluster analysis
- Redundancy analysis
- Multivariate
- Supervised fuzzy c-means
- semiarid
- rangelands
- Namibia
- imaging spectroscopy
- remote sensing
- mapping
- vegetation dynamics
- Namibia
- Africa
- Library Collection RecordPollen analysis of a 12.8-m-long core (R96-I) from the southern basin of Lake Rukwa (Tanzania, 8°S, 33°E, 793 m a.s.l.) provides new information on the vegetation history of central eastern Africa…Publication Date 2005
- palaeobotany
- pollen
- Late Quaternary
- southern Tanzania
- vegetation dynamics
- lake levels
- climate change
- 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 RecordMalagarasi River catchment represents one of the largest and most significant transboundary natural ecosystems in Africa. The catchment constitutes about one third of the catchment area of Lake…Publication Date 2010
- Land use land cover changes
- Malagarasi river catchment
- Muyovozi wetland
- perceptions
- remote sensing
- land use
- fire
- grazing
- management
- socio-economic aspects
- rehabilitation
- Africa
- Library Collection RecordA distributed GIS-based hydrological model is developed using GIS and computational hydrology techniques. The model is based on water balance consideration of the surface and subsurface processes.…Publication Date 2003
- Water balance model
- GIS
- Regional hydrology
- southern Africa
- runoff
- soil moisture
- Evapo-transpiration
- ecosystem ecology
- vegetation dynamics
- Africa
- Library Collection RecordSmallholder livestock keepers represent almost 20% of the world population and steward most of the agricultural land in the tropics. Observed and expected increases in future demand for livestock…Publication Date 2010
- smallholders
- intensification
- Tropical livestock
- systems
- Poverty
- environment
- markets
- policies
- socio-economic aspects
- subsistence agriculture
- pastoralism
- Africa
- Library Collection RecordElandskloof was the first land restitution case in post-apartheid South Africa in which the government returned land to a community. The communal property association became dysfunctional, and the…Publication Date 2011
- Communal land systems
- Common property regimes
- Land restitution
- Post-apartheid land reform
- legislation
- subsitence agriculture
- socio-economic aspects
- non-grazing resources
- management
- South Africa
- Library Collection RecordCentral governments have neither the capacity nor the local knowledge to implement a just, large-scale national land registration system. Support to local institutions to undertake intermediate forms…Publication Date 2009
- land
- Property
- institutions
- investment
- management
- policies
- socio-economic aspects
- pastoralism
- land reform
- land use
- Africa
- Library Collection RecordThis paper explores local knowledge and practices in soil management and investment that have frequently gone unrecognised in assessments of soil fertility transformations and trends. Case material…Publication Date 2005
- soil
- Africa
- Local/indigenous knowledge
- soil fertility
- socio-economic aspects
- pastoralism
- subsistence agriculture
- Africa
- Library Collection RecordAgronomic analyses of soil dynamics in Africa have been found to be too simplifying and lacking any perspective on the critical role of farmers. Yet soil degradation is widespread and serious, and in…Publication Date 2005
- soil degradation
- Nutrient depletion
- agricultural production
- farming systems
- Price policies
- socio-economic aspects
- agriculture
- subsistence agriculture
- Soil Condition
- soil erosion
- Africa
- Library Collection RecordThis paper uses the concept of sustainable development to examine the utilisation of wildlife resources at Moremi Game Reserve (MGR) and Khwai community area (NG 18/19) in the Okavango Delta,…Publication Date 2005
- Wildlife resources
- Resource conflicts
- Sustainable development
- community-based natural resource management
- socio-economic aspects
- eco - tourism
- conservation
- Africa
- Library Collection RecordAnthropogenic fires in Africa are an ancient form of environmental disturbance, which probably have shaped the savanna vegetation more than any other human induced disturbance. Despite anthropogenic…Publication Date 2005
- Anthropogenic fires
- Bush encroachment
- Indigenous knowledge of herders
- fire history
- Namibia
- savanna
- Scale dependence
- species richness
- vegetation trends
- fire ecology
- disturbance
- management
- vegetation dynamics
- landscape ecology
- 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 RecordThe issue of sustainability and productivity of open communal rangelands compared to fenced rangelands is often subject to controversy. This study investigated differences in soil and grass layer…Publication Date 2010
- game
- livestock
- Lowveld
- overgrazing
- stocking rates
- grazing
- sustainability
- management
- Soil Condition
- commercial agriculture
- communal farming
- rangelands
- vegetation dynamics
- plant production
- soil fertility
- Swaziland
- Africa
- Library Collection RecordWe detail the impact of abandoned traditional settlements (or bomas) on plant and nutrient succession in the Amboseli ecosystem, southern Kenya, over the course of a century. Plant and soil data were…Publication Date 2009
- biomass
- Nutrient hotspots
- pastoralism
- patch dynamics
- species richness
- wildlife
- Abandoned lands
- soil fertility
- vegetation dynamics
- savanna
- Africa
- Library Collection RecordA great many debates have grown up around the notion of desertification as a process of degradation that affects the arid, semi-arid and sub-humid zones of the globe. A fundamental and continuing…Publication Date 2005
- desertification
- Paradigms
- climate
- rangeland ecology
- Livelihoods approach
- environmental policy
- rangelands
- policies
- land use
- ecology
- socio-economic aspects
- Africa
- Library Collection RecordThis paper reviews the predictions and management implications of two current paradigms in the ecology and management of arid and semi-arid rangelands. The equilibrium model stresses the importance…Publication Date 2005
- range condition
- overgrazing
- key resources
- rainfall variability
- heterogeneity
- Scale dependence
- Mobility
- management
- ecology
- rangelands
- modelling
- rangeland condition
- rainfall
- livestock
- stocking rates
- vegetation dynamics
- Africa
- Library Collection RecordLocal communities use an indigenous classification of environmental land units for natural resource management in central north Namibia. These indigenous land units (ILUs) were compared with a…Publication Date 2005
- Indigenous environmental knowledge
- vegetation
- ordination
- land classification
- Resource Use
- grazing
- Indigenous knowledge
- community based resource management
- management
- ecology
- vegetation dynamics
- Africa
- Library Collection RecordIt is known that, depending on the degree of degradation, the vegetation recovery of severely degraded areas by means of natural succession processes is very slow, if not impossible, and that active…Publication Date 2005
- degradation
- Restoration technologies
- Over-sowing
- Rip-plough cultivation
- Karoo
- monitoring
- restoration ecology
- vegetation dynamics
- management
- germination
- seeds
- seed banks
- 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 RecordRemote sensing of grass quantity is important for providing information about the productivity and functioning of rangelands. Existing indices used to estimate grass quantity, such as normalized…Publication Date 2004
- NDVI saturation
- Band depth indices
- Greenhouse experiment
- Continuum removal
- bootstrapping
- remote sensing
- forage quality
- rangeland condition
- grasslands
- plant production
- vegetation dynamics
- NDVI values
- Africa
- Library Collection RecordIssues of equity and justice are high on international agendas dealing with the impacts of global climate change. But what are the implications of climate change for equity and justice amongst…Publication Date 2005
- climate change
- adaptation
- Justice
- socio-economic aspects
- subsistence agriculture
- stakeholders
- community based resource management
- Africa
- Library Collection RecordSustainable natural resource management requires inputs from both the natural and the social sciences. Since natural and social systems are inter-related and inter-dependent, it is essential that…Publication Date 2010
- Water allocation decision making
- Geographical information systems
- Meta-modelling
- Data integration
- spatial analysis
- river basins
- Inkomati Water Management Area
- GIS
- management
- socio-economic aspects
- irrigation
- Mpumalanga province
- South Africa
- Swaziland
- Mozambique
- Library Collection RecordThe impacts of climate change, drought and desertification are closely interlinked, and most acutely experienced by populations whose livelihoods depend principally on natural resources. Given the…Publication Date 2009
- adaptation
- policy
- climate change
- desertification
- drought
- pollution
- socio-economic aspects
- southern Africa
- Library Collection RecordUsing a human security perspective, we investigate how the history of land tenure changes has driven sustainability in southern African savannas. The paper examines four countries-Botswana,…Publication Date 2009
- Human security
- land tenure
- savannas
- sustainability
- legislation
- socio-economic aspects
- southern Africa
- Library Collection RecordThe need to implement sustainable resource management regimes for semi-arid and arid rangelands is acute as non-adapted grazing strategies lead to irreversible environmental problems such as…Publication Date 2009
- adaptation
- climate change
- Arid rangelands
- Namibia
- Bio-economic simulation approach
- land use
- sustainability
- management
- socio-economic aspects
- grazing
- modelling
- ecology
- savanna
- stocking rates
- decision support systems
- vegetation dynamics
- Namibia
- Africa
- Library Collection RecordTwo long-term mechanistic models of grazing systems in the semi-arid succulent Karoo have been used to study factors that influence vegetation changes, livestock productivity and sustainability of…Publication Date 2005
- Rangeland dynamics
- Semi-arid regions
- Vegetation Change
- Goat production
- goats
- sheep
- rainfall
- rangelands
- vegetation dynamics
- modelling
- diet selection
- 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 RecordWe quantified livestock (cattle, shoats, horses and donkeys) losses to lions (Panthera leo) and attitudes to lions, livestock losses and tourism among livestock owners, village residents and tourism…Publication Date 2009
- communities
- cattle
- Benefit
- predation
- compensation
- eco - tourism
- subsistence agriculture
- pastoralism
- socio-economic aspects
- Botswana
- Africa
- Library Collection RecordThis study looks at the impact of subdivision and sedentarization of pastoral lands on wildlife numbers and production in a savanna ecosystem of southern Kenya. The study uses aerial counts over a…Publication Date 2009
- land fragmentation
- rangelands
- Maasai
- settlement
- conservation
- land reform
- land use
- savanna
- ecosystem dynamics
- ecosystem ecology
- wildlife
- management
- grazing
- grasslands
- socio-economic aspects
- Kenya
- Africa
- Library Collection RecordThe construction and validation of a user-friendly index to measure attitude of landowners towards conservation of Overberg Coastal Renosterveld (OCR), a critically endangered, distinctive grassy-…Publication Date 2005
- landowners
- Perceived benefit
- Willingness to conserve
- Cronbach Alpha
- socio-economic aspects
- conservation
- grasslands
- conservation agriculture
- land use
- eco - tourism
- 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
Pagination
- First page
- Previous page
- …
- 2
- 3
- 4
- 5
- 6
- …
- Next page
- Last page