Rangeland Ecology & Management
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- Library Collection RecordThe relationships between pastoralists, livestock, and the environment in dryland Africa are complex. Over the last half-century dominant narratives have portrayed pastoralists and their livestock as…Publication Date 2010
- NDVI
- GPS
- cattle mobility
- grazing ecology
- degradation
- Cultural ecology
- piosphere
- Kenya
- 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 RecordAn operational procedure is presented that allows detecting active fires based on information from Meteosat-8/SEVIRI over Africa. The procedure takes advantage of the temporal resolution of SEVIRI (…Publication Date 2010
- Fire detection
- Contextual algorithm
- Meteosat8-SEVIRI
- African vegetation fires
- Spatial and temporal distribution of active fires
- fire behaviour
- modelling
- Africa
- Library Collection RecordThe estimation of near surface air temperature (Ta) is useful for a wide range of applications such as agriculture, climate related diseases and climate change studies. Air temperature is commonly…Publication Date 2010
- Land surface temperature
- air temperature
- accuracy assessment
- MODIS
- remote sensing
- modelling
- climate change
- agriculture
- temperature
- disease
- Africa
- Library Collection RecordSavanna covers about two-thirds of Africa, with forage quantity and quality being important factors determining the distribution and density of wildlife and domestic stock. Testing hypotheses about…Publication Date 2010
- forage
- quality
- remote sensing
- hyperspectral
- herbivory
- Foliar
- nitrogen
- protein
- Polyphenol
- mopane
- savanna
- forage quality
- Forage Quantity
- livestock
- mapping
- management
- land use
- Africa
- Library Collection RecordPalynological and sedimentological data from a core extracted from Lake Eteza shed new light on the Holocene vegetation and climate history in KwaZulu-Natal and can be linked to regional and global…Publication Date 2010
- forest reconstruction
- Vegetation history
- southern hemisphere
- African coast
- human impact
- palaeobotany
- Africa
- Library Collection RecordPerennial grasses are a dominant component of many vegetation formations and provide important ecosystem services including supporting herbivores and preventing soil erosion. Despite their importance…Publication Date 2010
- demography
- Density-dependent mortality
- disturbance
- Intra-specific competition
- Tuft mortality
- survival
- Grass mortality
- savanna
- fire ecology
- ecosystem services
- Namibia
- 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 RecordLand used for agricultural production can contribute significantly to greenhouse gas (GHG) emissions; however, there is very little information on the role of management and land use change in…Publication Date 2010
- management
- climate change
- carbon dioxide
- greenhouse gases
- grasslands
- pasture management
- Africa
- Library Collection RecordInvasive plants have invaded swathes of grasslands in Lake Nakuru National Park thus necessitating the Park management to institute measures to control them. Despite this, information on the status…Publication Date 2010
- biomass
- crude protein
- density
- forage
- grasslands
- invasive plants
- management
- ecosystem ecology
- Forage Quantity
- forage quality
- Kenya
- 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 Record1. The coexistence of leguminous trees and C4 grasses in many African savannas forces competition between these two distinct plant life-forms. The nature of tree - grass coexistence and the…Publication Date 2010
- vegetation dynamics
- soil nitrogen
- fertilizer
- C4 grasses
- African Acacia
- competition
- grass
- nitrogen fixation
- nodule
- Phosphate
- savanna
- Africa
- Library Collection Record1. Through their effects on plant communities, herbivores can exert strong direct and indirect effects on savanna ecosystems and have the potential to create and maintain savanna landscape…Publication Date 2010
- grazing
- savanna
- herbivores
- ecosystem ecology
- vegetation dynamics
- cattle
- game
- cattle - wildlife interactions
- ecological legacies
- facilitation
- foraging behaviour
- landscape heterogeneity
- pastoralism
- plant - herbivore interactions
- rangeland
- succession
- Africa
- Library Collection RecordKnowledge is poor of how fertilization affects birds in grasslands. We investigated the impact on birds of abandoned pastoral settlements that historically received very high levels of livestock dung…Publication Date 2010
- Diptera
- fertilization
- Insectivorous birds
- Masai Mara
- Pitfall traps
- Sweep netting
- birds
- Abandoned lands
- grasslands
- invertebrates
- fertilizer
- Kenya
- Africa
- Library Collection RecordThe most common grass phytoliths from "Zambezian" miombos are described here for the first time. Their potential for long term preservation in sediments makes them a useful tool in the…Publication Date 2010
- Poaceae Phytoliths
- Great African Rift
- Mozambique
- Niassa
- Miombo woodlands
- Paleoenvironment
- discriminant analysis
- principal component analysis
- and Cluster Analysis
- palaeobotany
- 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 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 RecordAtmospheric CO2 has more than doubled since the last glacial maximum (LGM) and could double again within this century, largely due to anthropogenic activity. It has been suggested that low [CO2]…Publication Date 2010
- elevated CO2
- fire
- Last Glacial Maximum
- Root
- savanna
- starch
- carbon dioxide
- climate change
- grasslands
- fire ecology
- elevated CO2
- management
- plant autecology
- plant community ecology
- plant production
- Africa
- Library Collection RecordInvertebrate diversity is seldom included in conservation assessments, primarily because information is lacking. Broad surveys may be too costly, difficult or ineffective. Here we assess a '…Publication Date 2010
- conservation planning
- inventory
- quantified method
- species accumulation
- temporal effect
- invertebrates
- ecosystem ecology
- savanna
- Africa
- Library Collection RecordEstablishment of seasonal grazing enclosures has become an important rangeland rehabilitation strategy in semi-arid regions. This study assessed the impact of enclosure age and enclosure management…Publication Date 2010
- cover
- degradation
- Private land ownership
- seed mixtures
- standing crop
- Stock control
- rangelands
- rehabilitation
- animal impact
- communal farming
- biodiversity
- commercial agriculture
- plant production
- monitoring
- Kenya
- 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 RecordThis study was conducted to understand how seasonality in drylands influences the space-time dynamics of cattle behavior and mobility among pastoralist managed Zebu cattle. The study relies on the…Publication Date 2010
- behavior
- cattle
- Cultural ecology
- GPS
- Herd mobility
- pastoralism
- seasonality
- tracking
- zebu
- Kenya
- 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 RecordAlthough alpine pans have been reported from a variety of mountain regions, these have received limited research attention and are thus amongst the least known of closed basins . This study…Publication Date 2010
- Alpine pans
- Turf exfoliation
- morphology
- climate
- Geomorphic processes
- Lesotho
- ecology
- Africa
- Library Collection RecordDifferent approaches for the assessment of biodiversity by means of remote sensing were developed over the last decades. A new approach, based on the spectral variation hypothesis, proposes that the…Publication Date 2010
- savanna
- Spectral variation hypothesis
- Shannon index
- species richness
- scale
- hyperspectral
- biodiversity
- remote sensing
- landscape ecology
- Namibia
- Africa
- Library Collection RecordWe investigated the effects of previous cultivation on regeneration potential under miombo woodlands in a resettlement area, a spatial product of Zimbabwe's land reforms. We predicted that…Publication Date 2010
- grazing
- miombo codominants
- population structure
- reverted grasslands
- restoration ecology
- communal farming
- rural areas
- rangelands
- Zimbabwe
- Africa
- Library Collection RecordThe study represents the first efforts since 1909 to develop improved Sudangrass (Sorghum bicolor (L.) Moench, syn. S. sudanense (Piper) Stapf) cultivars from the original genetic stock existing in…Publication Date 2010
- Africa
- Library Collection Record
128 Acknowledgements
Abstract not available.Publication Date 2010- Africa
- Library Collection RecordThe Great Fish River Reserve (GFRR), in the Eastern Cape, has proved to be particularly suitable for the black rhinoceros that have been introduced over the past 20 years. In captivity, these animals…Publication Date 2010
- black rhinoceros
- Browse Species
- diet
- ABTS
- DPPH
- FRAP
- Folin-Ciocalteau
- disease
- diet selection
- ecosystem ecology
- national parks
- Africa
- Library Collection RecordFire is important for the maintenance and conservation of African savanna ecosystems, and prescribed fire is used in the Sudanian savanna-woodlands of West Africa as a forest management tool. Yet,…Publication Date 2010
- Africa
- Library Collection RecordDescription not available.Publication Date 2010
- Africa
- Library Collection RecordLivestock production contributes to the livelihoods of the Ethiopian people; however, the productivity of the livestock subsector in the highlands is low due to malnutrition. Therefore, this study…Publication Date 2010
- Africa
- Library Collection RecordBush encroachment is a significant phenomenon in savanna environments as it affects wildlife and local livelihoods by preventing new pasture generation. In this article we present a 2000-year record…Publication Date 2010
- Indigenous knowledge
- pollen
- hyrax
- savanna
- indigenous encroaching species
- ecology
- Ethiopia
- 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 RecordThe study investigates the vulnerability of vegetation over Africa to El-Niño Southern Oscillation (ENSO) events using the moving window statistical correlation analysis technique. The correlation…Publication Date 2010
- El-Niño
- remote sensing
- Vegetation vulnerability
- NDVI values
- monitoring
- hazard assessment
- drought
- mapping
- Africa
- Library Collection RecordPresented here are stable nitrogen isotope data from a rock hyrax (Procavia capensis) middens from northwestern Namibia that record a series of rapid aridification events beginning at ca. 3800 160;…Publication Date 2010
- Hyrax midden
- southern Africa
- Holocene
- palaeoclimate
- African Humid Period
- [delta]15N
- Orbital forcing
- Solar forcing
- Geomagnetism
- Namibia
- Africa
- Library Collection RecordLike other African countries, Madagascar is concerned by vegetation cover degradation especially in savanna ecosystems. In this article, we describe an approach to quantify and localise savanna…Publication Date 2010
- MODIS
- Time series
- STL
- change
- trend
- savanna
- Phenological indicator
- degradation
- remote sensing
- NDVI values
- management
- fire
- Madagascar
- Africa
- Library Collection RecordAmelioration of global warming presents opportunities for urban forests to act as carbon sinks, and thereby could possibly be included in the potential future carbon trade industry. The City of…Publication Date 2010
- allometry
- Carbon trade
- growth rate
- stem diameter
- Urban forestry
- carbon sequestration
- Africa
- Library Collection RecordThis paper describes a manual-style Decision Support System that integrates land degradation indicators with adaptive management options and is designed for land managers to easily collect data and…Publication Date 2010
- innovations
- land degradation
- Manual
- monitoring
- participation
- rangelands
- degradation
- decision support systems
- management
- sustainability
- subsistence agriculture
- pastoralism
- Africa
- Library Collection RecordAbstract Objectives: To (1) assess the strength of evidence for the role of termites in vegetation heterogeneity in African savannas, and (2) identify the mechanisms by which termites induce such…Publication Date 2010
- Banded vegetation
- Bush encroachment
- desertification
- Fertility islands
- fire
- herbivory
- Spotted vegetation
- savanna
- Ants
- invertebrates
- Termites
- ecosystem ecology
- Africa
- Library Collection RecordHerbivores are regulated by predation under certain environmental conditions, whereas under others they are limited by forage abundance and nutritional quality. Whether top-down or bottom-up…Publication Date 2010
- savanna
- ecosystem dynamics
- ecology
- animal production
- population ecology
- 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 RecordThis study investigated the impact of rainfall and herbivory by indigenous herbivores over five years (2004?2008) on the vegetation of the Sanbona Wildlife Reserve (SWR), a 54 000 ha privately owned…Publication Date 2009
- Africa
- Library Collection RecordBy its nature, combating desertification is a complex, multidisciplinary activity that requires coordinated responses at a multitude of levels spanning both scientific disciplines and government…Publication Date 2009
- Africa
- Library Collection RecordSpatially explicit land use/cover models are indispensable for sustainable rural land use planning, particularly in southern African countries that are experiencing rapid land use/cover changes.…Publication Date 2009
- Land use/cover change
- Multicriteria evaluation (MCE)
- Multi-objective land allocation (MOLA)
- Markov-cellular automata model
- land use
- modelling
- remote sensing
- mapping
- degradation
- rural areas
- Zimbabwe
- Africa
- Library Collection RecordPteronia paniculata is an indigenous, unpalatable shrub that invades mismanaged Karooveld, resulting in degraded rangelands with low species diversity and grazing potential. We conducted a series of…Publication Date 2009
- Africa
- Library Collection RecordWe assessed whether prior foraging by wild herbivores affected foraging behaviour of cattle in Laikipia rangeland, Kenya, during February 2001, August 2001 and February 2002. The study compared…Publication Date 2009
- competition
- bite rate
- foraging behaviour
- livestock
- private land
- Step rate
- wildlife
- foraging ecology
- management
- Africa
- Library Collection RecordThis study evaluated the variation of the concentration of mimosine in Leucaena forage with season, the time of defoliation and dehydration. Fresh samples were collected randomly from Leucaena…Publication Date 2009
- Africa
- Library Collection RecordLittle is known about the grass species type, composition and nutritive value in the semiarid savannas that sustain most of Swaziland's cattle population through the seven-month-long dry season…Publication Date 2009
- cumulative gas production
- organic matter degradability
- ruminant livestock
- tropical grass species
- nutrition
- cattle
- grasslands
- savanna
- grazing
- soils
- forage quality
- Swaziland
- Africa
- Library Collection RecordThe influence of dispersed trees on microclimatic conditions, gas exchange and productivity of maize (Zea mays L.) in a Grevillea robusta-based agroforestry system in semi-arid Kenya was examined to…Publication Date 2009
- agroforestry
- Grevillea robusta
- microclimate
- temperature
- gas exchange
- Maize
- agriculture
- ecosystem ecology
- rainfall
- Kenya
- Africa