Rangeland Ecology & Management
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Displaying 151 - 200 of 267 results
- 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 RecordLivelihood security in Eastern and Southern Africa is strongly dependent on rainfall distribution and land management practices among smallholder farmers. Over 95 % of the land used for food…Publication Date 2000
- rainfall
- land use
- management
- subsistence agriculture
- hydrology
- runoff
- 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 RecordCommon understanding of the causes of land-use and land-cover change is dominated by simplifications which, in turn, underlie many environment-development policies. This article tracks some of the…Publication Date 2001
- land use
- socio-economic aspects
- Africa
- Library Collection RecordEstimates of the value of carbon sequestration services provided by a savanna ecosystem and of the value of water for the supply of a number of environmental goods and services are developed in a…Publication Date 2000
- carbon sequestration
- Marginal values
- Water value
- Ecological-economic modeling
- economics
- ecology
- modelling
- grasslands
- land use
- Africa
- Library Collection RecordMiombo woodlands are crucial to the livelihoods of rural people throughout southern, eastern and central Africa. This paper describes a dynamic simulation model of key ecological processes in miombo…Publication Date 2000
- management
- economics
- ecosytem ecology
- grazing
- fire
- grasslands
- carbon sequestration
- hydrology
- land use
- Africa
- Library Collection RecordAssessing the impacts of climatic and, in particular, land use changes on rates of soil erosion by water is the objective of many national and international research projects. However, over the last…Publication Date 2003
- gully erosion
- climate change
- land use change
- sediment yield
- techniques
- thresholds
- Flow hydraulics
- rainfall
- topography
- soils
- infiltration
- drainage
- models
- erosion control
- connectivity
- land use
- erosion
- runoff
- Africa
- Library Collection RecordGullied and ungullied catchments in four areas of deeply weathered saprolite in the Middle Veld of Swaziland can be successfully separated (p<0.01) using discriminant analysis based on area and…Publication Date 2003
- gully erosion
- thresholds
- discriminant analysis
- Swaziland
- land use
- soil erosion
- rangelands
- vegetation dynamics
- Africa
- Library Collection RecordWe use a dynamic stochastic simulation model of forage, herbivores, predators and domestic livestock in the Machakos District of Kenya to address policies related to the multiple use of rangeland…Publication Date 1997
- policies
- grazing
- livestock
- land use
- rangelands
- Traditional management
- commercial agriculture
- conservation
- pastoralism
- Forage Quantity
- drought
- Africa
- Library Collection RecordTo account for the failure of state-driven development projects, policy makers and planners have tended to blame communal farmers for adhering to outmoded traditional values and practices.…Publication Date 1998
- culture
- politics
- land
- development
- tradition
- modernity
- hybridity
- socio-economic aspects
- land use
- management
- Sustainable development
- 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 RecordIt is claimed that high returns can be achieved from hunting and ecotourism operations. As a result wildlife production is a rapidly growing form of land-use in South Africa. Lately, rural African…Publication Date 2002
- Economies of scale
- Wildlife production
- livestock production
- Savannah land-use
- land use
- game farming
- commercial agriculture
- livestock
- Economic Aspects
- eco - tourism
- subsistence agriculture
- Africa
- Library Collection RecordAcocks measured representative sites of good condition grassland in the 1940's that were re-sampled approximately 50 years later in order to compare the effect of commercial versus communal…Publication Date 2003
- grasslands
- land use
- commercial agriculture
- communal farming
- grazing
- forage quality
- vegetation dynamics
- Africa
- Library Collection RecordLand-use practices can impact on bird populations. This study set out to explain why the helmeted guineafowl, Numida meleagris (Linnaeus 1766; Aves: Numididae) declined in the Midlands of KwaZulu-…Publication Date 1999
- Helmeted guineafowl
- Land-use patterns
- Pesticides
- Maize agriculture
- KwaZulu-Natal
- Edge distance
- birds
- conservation
- biodiversity
- savanna
- land use
- Africa
- Library Collection RecordThis paper presents an overview of the current status, problems and prospects for achieving a better nutrient balance to support varying levels of productivity from the three major livestock systems…Publication Date 1998
- livestock systems
- nutrient management
- Nutrient depletion
- Sub-Saharan Africa
- grazing
- monitoring
- management
- forage quality
- Economic Aspects
- land use
- socio-economic aspects
- 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 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 RecordIndicators of land quality (LQIs) are being developed as a means to better coordinate actions on land related issues, such as land degradation. Economic and social indicators are already in regular…Publication Date 2000
- Land quality
- land use
- land management
- land degradation
- monitoring
- management
- decision support systems
- Africa
- Library Collection RecordAn assessment of changes in soil properties associated with land-use and management practices is vital for the selection and establishment of appropriate sustainable practices under different…Publication Date 2001
- land-use
- continuous cropping
- organic matter
- fallow
- soil properties
- land use
- management
- Abandoned lands
- soils
- soil nutrients
- soil moisture
- soil fertility
- 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 RecordThe biodiversity convention aims at conserving biodiversity and guaranteeing fair and sustainable human use of biodiversity. The convention further requires that the causes of biodiversity decline…Publication Date 1999
- biodiversity
- climate change
- Earth system modelling
- global change
- Scenarios
- land use
- modelling
- 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 RecordThe amount and quality of inputs into soil organic matter will be altered by both climate and landuse change. The increase in growth of plants caused by increasing CO2 concentration implies not only…Publication Date 1997
- elevated carbon dioxide
- Decomposition
- organic residues
- secondary chemicals
- soil organic carbon
- climate change
- land use
- plant autecology
- carbon dioxide
- modelling
- ecosystem dynamics
- ecosystem ecology
- plant production
- management
- Africa
- Library Collection RecordAlteration of land use will continue to be the dominant driver of environmental change in the tropics for the next several decades. It can take the form of fundamental vegetation cover transformation…Publication Date 1997
- global change
- tropical ecosystems
- Land cover
- climate
- atmosphere
- land use
- landscape ecology
- management
- climate change
- ecosystem ecology
- 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 RecordWhere species distribution data are inadequate reserve selection procedures have to rely on surrogate measures of biodiversity. The informativeness of land facets (the simplest units of a landscape…Publication Date 1999
- biodiversity
- Surrogates
- Land facets
- Reserve selection
- Priority conservation areas
- conservation
- species richness
- land use
- ecosystem ecology
- Africa
- Library Collection RecordDifferences in reporting rates of birds on atlas checklists from major land-use categories (protected, unprotected, wildlife management area (WMA)) in Botswana were investigated to evaluate the…Publication Date 1998
- Botswana
- Bird conservation
- land use
- overgrazing
- Atlas-data
- biodiversity
- grasslands
- conservation
- 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 RecordThe Kinangop highland grasslands, the world stronghold of the endangered Sharpe's longclaw (Macronyx sharpei), consist almost entirely of privately owned land. As human population in the…Publication Date 2002
- fragmentation
- human population
- Land subdivision
- Privately owned land
- land use
- management
- species richness
- grasslands
- birds
- 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 RecordPatterns of higher plant species richness and beta diversity were assessed using standard Modified-Whittaker plots in relation to landuse, slope position and mean annual rainfall across a rainfall…Publication Date 2000
- species richness
- biodiversity
- land use
- rainfall
- savanna
- communal farming
- conservation
- 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 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 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 RecordThere is a pressing need for an objective, repeatable, systematic and spatially explicit measure of land degradation. In northeastern South Africa (SA), there are large areas of the former homelands…Publication Date 2004
- land degradation
- NDVI values
- rangelands
- South Africa
- degradation
- land use
- remote sensing
- rainfall
- ecosystem ecology
- Africa
- Library Collection RecordAbstract not available.Publication Date 2005
- land use
- mine rehabilitation
- carbon sequestration
- Economic Aspects
- rehabilitation
- Surface mine reclamation
- Land-use conversion
- reforestation
- Forest-based carbon markets
- 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 RecordThe role of the hydrological cycle in contributing to the livelihoods of rural communities is often said to be important, but clear evidence of this is rarely offered. Furthermore, where such aspects…Publication Date 2004
- Green water
- Blue water
- Rural livelihoods
- hydrological cycle
- land use change
- hydrology
- land use
- ecology
- rural areas
- rainfall
- runoff
- agriculture
- Africa
- Library Collection RecordIn arid and semi-arid areas, total evaporation is a major component of the hydrological cycle and seasonal water shortages and drought are common. In these areas, the role of land use and land use…Publication Date 2004
- Green water
- Blue water
- Hydrological model
- land use change
- land use
- management
- non-grazing resources
- rainfall
- hydrology
- modelling
- Africa
- Library Collection RecordThe semi-arid savannah environment (SASE) of sub-Saharan Africa are characterized by low erratic rainfall which result to high risk of droughts, intra-seasonal dry spells and frequent food insecurity…Publication Date 2003
- Rainwater harvesting
- River basin
- Fanya juu
- Fanya chini
- food production
- water scarcity
- rainfall
- land use
- subsistence agriculture
- Economic Aspects
- drought
- conservation
- hydrology
- management
- 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 Swaziland's National Action Programme (NAP) to combat desertification; the country's main strategy for implementing the United Nations Convention to Combat…Publication Date 2009
- land degradation
- policy
- Poverty
- Orthodoxy
- Myth
- desertification
- policies
- management
- degradation
- land use
- Africa
- Swaziland
- Library Collection RecordIn this study, we asked the Ariaal herders of northern Kenya to answer 'why, what and how' they classified landscape, and assessed and monitored the biodiversity of 10 km2 of grazing land.…Publication Date 2009
- Anthropogenic indicators
- Ariaal
- biodiversity
- Indigenous knowledge
- Grazing suitability
- landscape classification
- Landscape potential
- traditional knowledge
- pastoralism
- monitoring
- grazing
- grasslands
- land use
- Soil Condition
- livestock
- conservation
- management
- Kenya
- Africa
- Library Collection RecordSouth Africa's moist grassland harbours globally significant biodiversity, supplies essential ecosystem services, supports crop and livestock agriculture, forestry and settlement, yet is poorly…Publication Date 2009
- agriculture
- animals
- biodiversity
- birds
- climate
- Conservation of Natural Resources
- crops
- Agricultural/growth & development
- ecosystem
- environment
- forestry
- insects
- mammals
- Poaceae
- Soil/analysis
- grasslands
- land use
- conservation
- management
- landscape ecology
- South Africa
- Library Collection RecordThe Global Assessment of Soil Degradation (GLASOD) has been the most influential global appraisal of land quality in terms of environmental policy. However, its expert judgments were never tested for…Publication Date 2009
- GLASOD
- land degradation
- Expert judgment
- Qualitative response model
- Non-parametric analysis
- Soil Condition
- degradation
- environmental impact
- GIS
- land use
- mapping
- crop production
- 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 RecordHuman land use such as pastoralism may be a key determinant of wildlife populations. We studied the influence of land use on wildlife and livestock in south-western Kalahari, Botswana, during the wet…Publication Date 2009
- Carnivore
- distance
- herbivore
- Mammal
- Ostrich
- savanna
- land use
- conservation
- national parks
- livestock
- pastoralism
- cattle
- species richness
- 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