Rangeland Ecology & Management
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- Library Collection RecordOverseas Development Institute/International Institute for Environment and Development/Commonwealth Secretariat, London (1993) xi + 248 pp. ISBN 0-85003-195-8Publication Date 1995
- rangelands
- ecology
- pastoralism
- savanna
- Africa
- Library Collection RecordFeatures Discusses the history of the disconnect and methods of strengthening ties between wildlife research and management Examines the disconnect from an institutional perspective - including…Publication Date 2012
- management
- game
- ecosystem ecology
- grasslands
- rangelands
- Library Collection RecordChanging climate adds a very significant dimension to the complex problem of ensuring that agriculture worldwide can feed the burgeoning human population. Ensuring food security must reduce…Publication Date 2009
- climate change
- plant production
- southern Africa
- Library Collection RecordAn overview of ecological models of grasslands and their research questions is presented. For the purpose of this article, models are regarded as a simplified and formalized representation of…Publication Date 2008
- competition
- disturbance
- Ecosystem modeling
- Grassland dynamics
- grazing
- Optimal life-history strategies
- primary production
- Remote sensing data
- Spatially explicit models
- succession
- modelling
- ecosystem ecology
- community
- vegetation dynamics
- plant production
- southern Africa
- Library Collection RecordCarrying capacity is typically defined as the maximum population size that can be supported indefinitely by a given environment, but there are at least 10 different specific definitions used in basic…Publication Date 2008
- Density dependence
- Law of the minimum
- Logistic population growth model
- population regulation
- population size
- Sustainable yield
- carrying capacity
- cattle
- ecology
- rangelands
- southern Africa
- Library Collection RecordSummary The growth of agricultural production worldwide has led to an increasing role of agro-ecosystems within the global carbon cycle. Arable land in the world covers about one-tenth of the 134…Publication Date 2001
- plant production
- carbon dioxide
- animal nutrition
- animal production
- southern Africa
- Library Collection RecordLivestock have played a pivotal and positive role in human development. Yet this has come at a heavy cost to the biological diversity of the world's rangelands and forests. Livestock grazing is…Publication Date 2001
- rangelands
- ecology
- livestock
- southern Africa
- Library Collection RecordSummary The savanna biome is diverse, including formations ranging from almost treeless grasslands to more or less closed-canopy woodlands with considerable variation in plant composition, biomass,…Publication Date 2001
- savanna
- animal production
- plant production
- plant community ecology
- land use
- degradation
- agriculture
- ecology
- southern Africa
- Library Collection RecordThe world population has increased from 2–10 million at the dawn of settled agriculture about 10–12 millennium ago to 6.5 billion in 2006, and may stabilize at 10–12 billion by 2100. Most of…Publication Date 2007
- socio-economic aspects
- agriculture
- pastoralism
- soils
- management
- plant production
- animal production
- southern Africa
- Library Collection RecordPublished studies relating erosion and productivity have been generally based on information derived from expert opinion on the extent and severity of soil erosion and on limited data on its impact…Publication Date 2003
- soil erosion
- plant production
- management
- southern Africa
- Library Collection RecordThe use of fire in the management of grassland is a common rangeland practice in South Africa. This portends ecological implication for the sustainability of the savannah rangelands as a system. A…Publication Date 2008
- fire ecology
- management
- savanna
- grasslands
- rangelands
- Soil Condition
- plant production
- Africa
- Library Collection RecordWe introduce the five rangeland types found in the arid and semiarid regions of South Africa, namely Arid Savanna, Arid Grassland, Nama-karoo, Succulent Karoo, and Thicket, and describe the important…Publication Date 2006
- rangelands
- savanna
- livestock
- grazing
- management
- commercial agriculture
- subsistence agriculture
- Sustainable development
- Africa
- Library Collection RecordTransformation of indigenous vegetation for production purposes impacts negatively on biodiversity but does this necessarily equate with a decrease in phytomass accumulation, which may influence…Publication Date 2008
- grasslands
- plant production
- carbon sequestration
- land use
- management
- conservation
- agriculture
- pasture management
- biodiversity
- Africa
- Library Collection Record1. Gradients of animal impact known as piospheres tend to develop around artificial watering points, particularly in arid zones. Such grazing gradients represent a potential opportunity for…Publication Date 2006
- animal impact
- piosphere
- watering points
- livestock
- species richness
- ecosystem ecology
- rangelands
- grazing
- management
- disturbance
- stocking rates
- Africa
- Library Collection RecordThe relationship between above and belowground species composition has been researched in forests, grasslands, and wetlands to understand what mechanisms control community composition. I thoroughly…Publication Date 2007
- grasslands
- plant community ecology
- plant production
- plant autecology
- species richness
- seed banks
- management
- Africa
- Library Collection RecordFlood depth has been frequently used to explain the distribution of plant species in seasonally flooded grasslands, but its relation with vegetation production has remained ambiguous. The…Publication Date 2007
- grasslands
- plant production
- hydrology
- plant autecology
- Africa
- Library Collection RecordResidues of arbuscular mycorrhizal fungi (AMF) may be important for agroecosystem functioning due to their ability to promote soil aggregation, especially in coarse textured soils with little biomass…Publication Date 2007
- soil organic matter
- Glomalin
- arbuscular mycorrhizal fungi
- Biomarker
- Arable land use
- savanna
- soils
- ecosystem ecology
- plant production
- Africa
- Library Collection RecordThe morphometrics of mandible and teeth of mixed-breed goats on rangeland were analyzed to investigate the association between the oral apparatus and diet type. Canonical relationship between sets of…Publication Date 2007
- diet
- grazing
- Mandible
- Jaw
- Incisor
- Molar teeth
- goats
- rangelands
- diet selection
- forage quality
- foraging ecology
- Africa
- Library Collection RecordDegradation in arid and semi-arid regions can be ascribed primarily to environmental conditions such as extreme changes in temperature and erratic rainfall patterns. Seed germination and seedling…Publication Date 2006
- Drought Stress
- polyethylene glycol (PEG)
- restoration
- rangelands
- seeds
- germination
- grasslands
- rainfall
- climate
- drought
- plant autecology
- restoration ecology
- Africa
- Library Collection RecordThis paper evaluated the capacity of SPOT VEGETATION time-series to monitor the vegetation biomass and water content in order to improve fire risk assessment in the savanna ecosystem of Kruger…Publication Date 2006
- biomass
- Fire risk assessment
- SPOT VEGETATION
- time-series
- Vegetation water content
- fire ecology
- savanna
- vegetation dynamics
- monitoring
- plant production
- national parks
- remote sensing
- Africa
- Library Collection RecordThe tree-grass interactions of African savannas are mainly determined by varying rainfall patterns and soil fertility. Large savanna trees are known to modify soil nutrient conditions, but whether…Publication Date 2007
- canopy
- Fibre content
- Grass structure
- grazing
- nitrogen
- phosphorus
- savanna
- rainfall
- soil fertility
- plant production
- nutrition
- soil organic carbon
- biomass
- forage quality
- Africa
- Library Collection RecordSemi-arid areas are often considered to be environmentally and economically marginal, a situation which has been exacerbated by economic change, shifts in agricultural production and land use, and…Publication Date 2008
- Dry land degradation
- Economic decline
- Livestock trends
- population change
- Small towns
- rangelands
- Economic Aspects
- livestock
- agriculture
- socio-economic aspects
- politics
- Africa
- Library Collection RecordThere is an urgent need for quantitative methods by which actual, as opposed to potential degradation can be mapped using spatially consistent criteria for large regions. This study tested the Local…Publication Date 2008
- AVHRR
- Communal lands
- desertification
- Local NPP scaling
- rangelands
- South Africa
- communal farming
- remote sensing
- degradation
- mapping
- Africa
- Library Collection RecordDespite the ubiquity of sub-tropical savannas throughout the earth, limitations of savanna productivity are understudied relative to other terrestrial systems. The limitations of savanna productivity…Publication Date 2008
- grass
- nitrogen
- phosphorus
- savanna
- rainfall
- soil nutrients
- plant production
- plant autecology
- Africa
- Library Collection RecordKey resource areas (KRAs), defined as dry season foraging zones for herbivores, were studied relative to the more extensive outlying rangeland areas (non-KRAs) in Kenya. Field surveys with…Publication Date 2008
- drought
- forage
- foraging
- herbivore
- Pastoralist
- rangeland
- Satellite
- topography
- rangelands
- foraging ecology
- mapping
- ecosystem ecology
- landscape ecology
- soils
- monitoring
- conservation
- decision support systems
- Africa
- Library Collection RecordLivestock overgrazing can threaten the ecological integrity of rangelands, and can also threaten the sustainability of pastoralist societies who depend on rangelands for their livelihood. Using…Publication Date 2008
- Microenvironment
- Nurse plants
- positive interactions
- rangeland degradation
- Shrub islands
- Vegetation restoration
- restoration ecology
- degradation
- rangelands
- Africa
- Library Collection RecordBiodiversity is a critical component of the natural environment and the protection of it often meant the displacement of local communities in developing countries. The Richtersveld National Park (…Publication Date 2007
- rangelands
- conservation
- Population crashes
- Herd recovery
- goats
- biodiversity
- socio-economic aspects
- national parks
- sheep
- pastoralism
- land use
- Africa
- Library Collection RecordThe reserves and homelands across South Africa share a common history of policy interventions resulting in sedentarization, villagization and formalization of communal land use. In Namaqualand, such…Publication Date 2007
- pastoralism
- Municipal commonage
- rangeland management
- Elite capture
- rangelands
- management
- communal farming
- subsistence agriculture
- policies
- land reform
- Africa
- Library Collection RecordScience is frequently touted as the solution to dryland management problems, yet most management decisions are, by necessity, based primarily on expert knowledge and experience. This paper describes…Publication Date 2006
- adaptive management
- ecological site descriptions
- natural resource management
- rangelands
- thresholds
- management
- decision support systems
- Africa
- Library Collection RecordDegradation in semi-arid Karoo rangelands has been ascribed to over-utilization by livestock and variations in rainfall regime. The understanding of vegetation dynamics in confined plant-herbivore…Publication Date 2006
- African wild herbivore
- Herbivore exclosure
- plant functional type
- Protected area
- vegetation monitoring
- rangelands
- rangeland condition
- vegetation dynamics
- livestock
- grazing
- land use
- national parks
- rainfall
- monitoring
- Africa
- Library Collection RecordFragmentation of the ecosystems of the earth into spatially isolated units has emerged as a primary component of global change. Often, fragmentation results from actions that are intended to enhance…Publication Date 2008
- fragmentation
- rangelands
- adaptation
- public policy
- Economic Aspects
- policies
- management
- land use
- Africa
- Library Collection RecordThe model of a variable climate driving natural resource behaviour, use and management of rangelands in Sub-Saharan Africa has been well explored within the non-equilibrium ecology discourse. This…Publication Date 2007
- non-equilibrium
- ecology
- irrigation
- River basin management
- Tanzania
- variability
- water resources
- sustainability
- natural resources
- adaptive capacity
- rangelands
- management
- Africa
- Library Collection RecordTraditional vegetative techniques to control gully development rely mainly on the effects of above ground biomass, whereas little attention has been given to the role of below ground biomass. Yet, in…Publication Date 2006
- roots
- grass
- Concentrated flow erosion
- Rill
- Gully
- Erodibility
- soil erosion
- rangelands
- hydrology
- modelling
- Africa
- Library Collection RecordThis paper traces the history of grazing policy, its conceptual basis, practical implementations and outcomes, in three southern African countries. In spite of the divergent environmental conditions…Publication Date 2006
- pastoralism
- Communal land
- rangeland management
- rangeland ecology
- policies
- grazing
- communal farming
- rangelands
- management
- Sustainable development
- Africa
- Library Collection RecordClimate change factors interact to modify plant growth and development. The objective of this study was to evaluate the response to temperature of big bluestem (Andropogon gerardii Vitman)…Publication Date 2007
- big bluestem
- biomass
- development
- Growth Rates
- Partitioning
- Seed number
- climate change
- temperature
- plant autecology
- plant production
- carbon dioxide
- Africa
- Library Collection RecordPrecision agriculture (PA) is an innovative, int+O101egrated and internationally standardized approach aiming to increase the efficiency of resource use and to reduce the uncertainty of decisions…Publication Date 2008
- precision agriculture
- grassland
- Perspectives
- Constraints
- interdisciplinary research
- grasslands
- remote sensing
- plant production
- Economic Aspects
- agriculture
- decision support systems
- management
- Africa
- Library Collection RecordIn arid and semi-arid savannas, species diversity is strongly influenced by structural diversity, which in these systems is characteristically formed by woody vegetation. Shrub encroachment,…Publication Date 2007
- Yellow mongoose
- rangelands
- Individual-based model
- shrub encroachment
- Spatial explicit
- structural diversity
- ecosystem ecology
- savanna
- biodiversity
- mammals
- indigenous encroaching species
- modelling
- Africa
- Library Collection RecordThe health of arid and semiarid lands needs to be monitored, particularly if they are used to produce food and fiber, and are prone to loss of vegetation cover and soil. Indicators of landscape…Publication Date 2007
- DEM
- land condition
- landscape function
- landscape metrics
- rangelands
- Vegetation patchiness
- remote sensing
- monitoring
- rangeland condition
- soil erosion
- landscape ecology
- Africa
- Library Collection RecordA payments for ecosystem services (PES) system came about in South Africa with the establishment of the government-funded Working for Water (WfW) programme that clears mountain catchments and…Publication Date 2008
- Working for Water
- Payment mechanisms
- ecosystem services
- water supply
- Poverty relief
- Poverty
- Alien invasive species
- fire
- plant production
- biodiversity
- hydrology
- vegetation dynamics
- Economic Aspects
- Africa
- Library Collection RecordClassic rangeland theory advocates stocking rangelands at relatively low and constant levels. This theory has been labelled inappropriate for savanna rangelands, because savannas are strongly…Publication Date 2007
- Bush encroachment
- Disequilibrium theory
- Opportunistic strategies
- Grass-tree interactions
- fire
- livestock production
- savanna
- rangelands
- stocking rates
- management
- modelling
- sustainability
- animal production
- Africa
- Library Collection RecordThis paper revisits the debate over the relative effectiveness of 'conservative' and 'opportunistic' stocking strategies for African pastoral rangelands. The paper is based on a…Publication Date 2006
- rangelands
- cattle
- Pastoral strategy
- stocking rate
- Capital costs
- southern Africa
- Zimbabwe
- pastoralism
- stocking rates
- socio-economic aspects
- communal farming
- management
- Africa
- Library Collection RecordThis paper forms part of a long-term study of land degradation in the Klein Seekoei valley in the Sneeuberg uplands about 30 km southwest of the town of Middelburg, South Africa (Fig. 1). Landscape…Publication Date 2006
- erosion
- Karoo
- rainfall intensity
- Stock numbers
- land degradation
- Gullies
- rainfall
- degradation
- rangeland condition
- rangelands
- Africa
- Library Collection RecordWater erosion creates negative impacts on agricultural production, infrastructure, and water quality across the world. Regional-scale water erosion assessment is important, but limited by data…Publication Date 2006
- Review
- land degradation
- soil erosion
- remote sensing
- modelling
- Validation
- degradation
- agriculture
- plant production
- animal production
- satellite imagery
- monitoring
- Africa
- Library Collection RecordSoluble organic N and C were extracted from soils under long-term kikuyu grass pasture, annual ryegrass pasture and annual maize production using water, 0.5 M K2SO4 and 2 M KCl. Quantities…Publication Date 2006
- Arable
- grassland
- nitrate leaching
- nitrogen loss
- Soluble organic matter
- land use
- pasture management
- plant production
- soil fertility
- Africa
- Library Collection RecordThis series of two papers describes a mechanistic model that simulates within years the productivity of vegetation and livestock on the communal semi-arid rangeland of the Succulent Karoo of South…Publication Date 2007
- semi-arid rangelands
- Mechanistic model
- plant growth
- diet selection
- food intake
- animal productivity
- rangeland condition
- rangelands
- plant production
- animal production
- communal farming
- livestock
- management
- soil moisture
- rainfall
- runoff
- modelling
- Africa
- Library Collection RecordThe worldwide loss of utilisable rangeland in (semi-) arid areas results in huge economic and social costs. Only adaptive management strategies are able to cope with these systems, which are mainly…Publication Date 2007
- Non-equilibrium system
- grazing
- Opportunistic management
- Resting
- semi-arid
- simulation model
- rangeland condition
- rangelands
- modelling
- Economic Aspects
- management
- rainfall
- Africa
- Library Collection RecordIn arid and semi-arid rangelands of sub-Saharan Africa, livestock are a central component of rural livelihoods and national economies, but their production is constrained by drought and disease, and…Publication Date 2006
- Maasai pastoralism
- Livestock development
- Livestock vaccination
- East Coast fever
- Livelihoods
- Socio-economic differentiation
- livestock
- rural areas
- pastoralism
- rangelands
- animal production
- disease
- Africa
- Library Collection RecordClimate is one of the most important factors determining the sustainability of agricultural production systems. More emphasis must be placed on understanding the influence of changing climate…Publication Date 2007
- sustainable agriculture
- climate variability
- climate change
- Agricultural weather policy
- climate
- agriculture
- animal production
- plant production
- Africa
- Library Collection RecordA field experiment was conducted on an acid soil in a semi-subsistence farming area of KwaZulu-Natal, South Africa to investigate the possibility of using organic amendments as liming materials…Publication Date 2008
- lime
- Organic amendments
- Soil acidity
- Strip tillage
- no-till
- subsistence agriculture
- soil fertility
- Soil Condition
- plant production
- rehabilitation
- Africa
- Library Collection RecordDebate among scientists about ecological dynamics and appropriate management of semi-arid rangelands has led to a challenge of received wisdoms of range management and pastoral development in dryland…Publication Date 2008
- Semi-arid rangeland
- pastoralism
- Water Point
- grazing gradient
- ordination
- species response curve
- Namibia
- rangeland condition
- rangelands
- piosphere
- grazing
- biodiversity
- management
- Africa