Rangeland Ecology & Management
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Displaying 201 - 250 of 281 results
- Library Collection RecordUnderstanding changes in hydrological characteristics of rangeland ecosystems with degradation is essential when making rangeland management decisions in arid and semi-arid areas to ensure…Publication Date 2009
- Aboveground phytomass
- rangeland condition
- root distribution
- root mass
- water-use efficiency
- water use efficiency
- degradation
- hydrology
- management
- animal production
- plant production
- South Africa
- Library Collection RecordLandscapes commonly comprise of mosaics, patches and boundaries. Riparian boundaries are complex to delineate and characterize, with a multitude of variables available for delineation. Multiple…Publication Date 2009
- Boundary
- vegetation
- Delineation
- Kruger National Park
- national parks
- vegetation dynamics
- ecology
- Kruger National Park
- South Africa
- Library Collection RecordSince the rise of its first democratically elected government in 1994, South Africa has sought to redress its highly inequitable land distribution through a series of land-reform programs. In this…Publication Date 2008
- land redistribution
- Limpopo Province
- political ecology
- South Africa
- Western Cape Province
- land reform
- policies
- land use
- Africa
- Library Collection RecordThe palynology of two overlapping Holocene cores from Lake Sibaya in KwaZulu-Natal elucidates the relationship between climate, vegetation and human impact in the region. By means of twenty-one AMS…Publication Date 2008
- palynology
- Vegetation history
- Holocene
- South Africa
- palaeobotany
- Africa
- Library Collection RecordIn South Africa, formal titles to land have generally been restricted to 'commercial' farms under white ownership. However, in Namaqualand in the Northern Cape Province, mapping of…Publication Date 2008
- mapping
- Formalisation
- Land rights
- communal rangeland
- South Africa
- Africa
- Library Collection RecordEthnopharmacological relevance In South Africa, tuberculosis (TB) caused by Mycobacterium tuberculosis is the most commonly notified disease and the fifth largest cause of mortality, with one in ten…Publication Date 2008
- Antimycobacterial
- Mycobacterium
- South Africa
- Tuberculosis
- medicinal plants
- Africa
- Library Collection RecordEthnopharmacological context Cape herbal medicine as a distinct and unique healing system is conceptualized for the first time, together with a first compilation of the authentic materia medica of…Publication Date 2008
- Cape herbal medicine
- Ethnobotany
- Khoikhoi
- medicinal plants
- San
- South Africa
- Africa
- Library Collection RecordAim of the study Livestock keepers in many developing countries with restricted access to orthodox veterinary healthcare services commonly use traditional remedies to treat their animals when disease…Publication Date 2008
- Ethnoveterinary medicine
- Livestock disease
- South Africa
- Traditional remedies
- medicinal plants
- 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 RecordTransfrontier conservation has taken Southern Africa by storm, where the modus operandi remains simple and intuitive: by dissolving boundaries, local benefits grow as conservation and development…Publication Date 2008
- Transfrontier conservation
- Neoliberalism
- Community-based natural resources management
- Livelihoods
- South Africa
- transfrontier parks
- conservation
- socio-economic aspects
- eco-tourism
- decision support systems
- economics
- policies
- land use
- Africa
- Library Collection RecordThis paper reports on the development and testing of a simulation model to assess the impacts of two seed-feeding biological control agents on the dispersal of an invasive perennial tree, Hakea…Publication Date 2008
- Hakea sericea
- South Africa
- biological control
- population dynamics
- seed dispersal
- Weibull distribution
- fire frequency
- seed banks
- Alien invasive species
- fire
- modelling
- Africa
- Library Collection RecordPalaeoenvironmental evidence indicative of former climatic conditions in the Eastern and adjoining Western Cape during the last ~ 45 000 yr is presented and summarised. Interstadial conditions began…Publication Date 2008
- Late Quaternary
- Last Glacial Maximum
- Late Glacial
- Holocene
- Palaeoclimatology
- palaeoenvironments
- South Africa
- palaeoclimate
- Africa
- Library Collection RecordThe differences in knowledge of biological resource use between societal and demographic groups are often poorly understood; yet they are an important element of sustainability. Differences in gender…Publication Date 2008
- conservation
- Indigenous knowledge
- Livelihoods
- Non-timber forest products
- Red Data Lists
- savannas
- South Africa
- woody plants
- medicinal plants
- subsistence agriculture
- non-grazing resources
- Africa
- Library Collection RecordThe Highveld region in South Africa is an important area for its food production for the nation, as 70% of country's cereal crops and 90% of the commercially grown maize is cultivated there. The…Publication Date 2008
- Agro-ecosystem
- climate change
- sustainability
- food security
- South Africa
- agriculture
- Africa
- Library Collection RecordThe environmental contexts of the karstic hominin sites in South Africa have been established largely by means of faunal associations; taken together these data suggest a trend from relatively closed…Publication Date 2007
- Environmental change
- grasslands
- [delta]13C
- Fossil enamel
- Plio-Pleistocene
- South Africa
- palaeobotany
- Africa
- Library Collection RecordIn South Africa, 'black ' and 'coloured ' farmers engaged in several occupational activities are often considered as being 'not interested in farming ' or 'not…Publication Date 2007
- Labour
- Commons
- Pluriactivity
- Occupational paths
- Farm settlement
- South Africa
- socio-economic aspects
- management
- houeshold income studies
- Africa
- Library Collection RecordIn South Africa, interventions in communal rangelands proposed by most agriculture-sector institutions are still dominated by the belief that communal herders have little technical skills and by the…Publication Date 2007
- Communal pastoral systems
- Herder practices
- Perceptions of rangeland condition
- Grazing management models
- Tragedy of the Commons
- agricultural development
- South Africa
- socio-economic aspects
- rangeland management
- Africa
- Library Collection RecordAdvanced Very High Resolution Radiometer (AVHRR), Normalized Difference Vegetation Index data (NDVI, 1 km2, 1985-2003) and modeled net primary production (NPP, 8 km2, 1981-2000) data were used to…Publication Date 2007
- monitoring
- AVHRR
- NDVI
- rain-use efficiency
- NPP
- Communal lands
- South Africa
- degradation
- land use
- remote sensing
- NDVI values
- mapping
- rainfall
- Africa
- Library Collection RecordThe idealization of natural landscapes and peoples during colonialism, coupled with the popularity of sustainable development in the postcolonial era, has contributed to the expansion of conservation…Publication Date 2007
- South Africa
- Mahushe Shongwe Game Reserve
- conservation
- Community conservation
- Livelihood
- development
- national parks
- socio-economic aspects
- economics
- conservation agriculture
- rural areas
- Africa
- Library Collection RecordIndigenous forests and savannas, along with plantation forests, offer numerous benefits to rural communities and society at large. Yet, the role of forests and forestry in contributing to sustainable…Publication Date 2007
- ecotourism
- forestry
- Non-timber forest products
- Plantations
- Poverty
- Safety-net
- savannas
- South Africa
- sustainable livelihoods
- socio-economic aspects
- savanna
- sustainability
- subsistence agriculture
- Africa
- Library Collection RecordSouth Africa is poorly endowed with natural forests, and is heavily dependent on plantations of exotic forestry species to meet its timber needs. The first forest plantations of exotic trees were…Publication Date 2007
- forest plantations
- Hydrological impacts
- legislation
- Licensing
- South Africa
- hydrology
- land use
- monitoring
- decision support systems
- Africa
- Library Collection RecordReconstructions of African palaeoenvironments are essential for a full understanding of early hominin evolution, but they are often hampered by low-resolution or discontinuous climatic data. Here we…Publication Date 2007
- stable isotopes
- flowstone
- South Africa
- Homo
- savannahs
- Precession
- palaeoclimate
- palaeoenvironmental data
- Africa
- Library Collection RecordA vegetation survey of natural grasslands was undertaken in the urban areas of Gauteng, supporting about 20% of the country's population. Relevés were compiled in 132 sample plots placed in…Publication Date 2006
- grasslands
- South Africa
- vegetation
- Gauteng
- ecology
- Africa
- Library Collection RecordCeropegia macmasteri, a new species from Cathcart in the Eastern Cape Province of South Africa, is only known from a single population in Dohne sourveld grassland where it occurs with another rare…Publication Date 2006
- Ceropegia macmasteri
- Eastern Cape
- South Africa
- sp. nov.
- taxonomy
- classification
- endemic species
- Africa
- Library Collection RecordSouth Africa' s winter-rainfall zone is a climatically sensitive region, lying at the interface of the earth's temperate and sub-tropical climatic systems. Its seasonally arid climate has…Publication Date 2006
- South Africa
- Quaternary
- pans
- palynology
- Luminescence dating
- palaeoenvironment
- Africa
- Library Collection RecordSavannah (C4) grasses are first recorded at low latitudes in the mid-Miocene prior to their expansion towards mid-latitudes by approximately the Miocene-Pliocene boundary. In an attempt to determine…Publication Date 2006
- isotopes
- carbon
- Microwear
- Rodent
- South Africa
- Pliocene
- savanna
- palaeobotany
- palaeoclimate
- Africa
- Library Collection RecordThere are many individuals in the Bredasdorp/Elim area who still use plants as medicines to treat many conditions. This study aimed to document some of this knowledge and present an inventory of all…Publication Date 2006
- South Africa
- Southern Overberg
- Ethnobotanical survey
- medicinal plants
- questionnaires
- Ethnobotany
- Africa
- Library Collection RecordSouth Africa is unique in that its globally significant biodiversity, which is under significant threat, coexists with an apartheid history of dispossession that produced a starkly unequal land…Publication Date 2006
- conservation
- Biodiversity economy
- Land rights
- Farm dwellers
- South Africa
- Baviaanskloof
- socio-economic aspects
- legislation
- Poverty
- rural areas
- policies
- ecotourism
- Africa
- Library Collection RecordLand use change and livelihood systems are often analyzed separately or with one "driving "the other. This "driver-feedback "relationship has been buttressed by approaches to…Publication Date 2006
- land use
- Livelihoods
- Co-production
- South Africa
- Ghana
- Drivers of change
- socio-economic aspects
- Africa
- Library Collection RecordThe Rangelands archives are made available by the Society for Range Management and the University of Arizona Libraries. Contact lbry-journals@email.arizona.edu for further information. Migrated from…Publication Date 2005-10-01
- shrubs
- dieback
- brush control
- integrated weed management
- soil microorganisms
- grassland soils
- rangeland soils
- soil-plant interactions
- soil pH
- cattle
- grazing management
- stocking rate
- South Africa
- Library Collection RecordSouth Africa is a country with both rich floral biodiversity and cultural diversity. Traditional herbal medicines form an important part of the healthcare of most South Africans, and relies heavily…Publication Date 2005
- Ethnobotany
- Ethnopharmacology
- Indigenous knowledge
- South Africa
- Traditional medicine
- medicinal plants
- Africa
- Library Collection RecordThe in vitro biological activity of nine frequently used medicinal plants in South Africa was assessed and re-assessed after various lengths of storage. The plants investigated were Alepidea…Publication Date 2005
- Antibacterial
- Anti-inflammatory
- medicinal plants
- storage
- Accelerated ageing
- South Africa
- Africa
- Library Collection RecordWe examined the relationship between the distribution of Martial Eagles Polemaetus bellicosus (and other large eagle species) breeding on electricity transmission pylons in the central and…Publication Date 2005
- Large eagles
- land management
- habitat quality
- conservation
- South Africa
- birds
- management
- rangeland condition
- landscape ecology
- ecosytem 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 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 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 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 RecordMeasurements of surface ozone in the southern African region are limited to a few active and passive monitoring sites. Over the region, the mean surface ozone concentrations exhibit strong seasonal…Publication Date 2004
- Ozone
- Botswana
- South Africa
- Zimbabwe
- Zambia
- CAPIA
- Cape Point
- monitoring
- climate change
- 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 RecordWhat is overgrazing? Does it cause soil erosion? The recent debate from the ecological literature is reviewed as background to the debate on overgrazing and soil erosion. This debate stresses the…Publication Date 2004
- soil erosion
- Over Grazing
- Communal lands
- equilibrium and non-equilibrium theory
- South Africa
- grazing
- communal farming
- Abandoned lands
- rangeland condition
- management
- Africa
- Library Collection RecordNon-selective grazing (NSG) is a relatively novel way of farming livestock in the Nama Karoo of South Africa. Our key question was how heavy grazing under this high-intensity, low-frequency grazing…Publication Date 2003-09-01
- soil microorganisms
- cell respiration
- infiltration (hydrology)
- aggregate stability
- mixed grazing
- soil organic matter
- South Africa
- stocking rate
- grazing intensity
- sheep
- goats
- cattle
- range management
- grazing systems
- hoof action
- infiltration
- intensive herbivory
- microbial respiration
- semiarid
- Library Collection RecordThe KwaZulu-Natal region of South Africa hosts a large diversity of asclepiads (Apocynaceae: Asclepiadoideae), many of which are endemic to the area. The asclepiads are of particular interest because…Publication Date 2003
- animals
- ecosystem
- Flowers/physiology/ultrastructure
- Gentianaceae/*physiology
- Hymenoptera/*physiology/ultrastructure
- microscopy
- Electron
- Scanning
- Poaceae/*physiology
- Pollen/*physiology/ultrastructure
- South Africa
- grasslands
- endemic species
- ecosystem ecology
- insects
- 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 RecordIn many South African catchments, water is an increasingly limited and highly fluctuating resource. Accurate prediction of low flows is especially vital if water resource managers are to successfully…Publication Date 2003
- streamflow
- IHACRES
- land-use
- Rainfall-runoff model
- South Africa
- hydrology
- modelling
- rainfall
- decision support systems
- ecosystem ecology
- Africa
- Library Collection RecordIn southern African countries soil erosion and the related problems, such as water quality issues or decreasing soil productivity, are the main topics affecting the inhabitants of both rural and…Publication Date 2003
- gully erosion
- Erosion modelling
- Erosion Response Units
- Swaziland
- South Africa
- modelling
- soil erosion
- agriculture
- remote sensing
- 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 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 RecordThe stable carbon isotope ratio of fossil tooth enamel carbonate is determined by the photosynthetic systems of plants at the base of the animal's foodweb. In subtropical Africa, grasses and…Publication Date 2003
- Australopithecines
- South Africa
- carbon isotopes
- diet
- C4 plants
- palaeobotany
- Africa
- Library Collection RecordSr and Ba levels of two proximal aragonite speleothems from Cold Air Cave, South Africa, are examined at [mu]m resolution. A compositional map derived from parallel secondary ion mass spectrometry…Publication Date 2003
- South Africa
- Cold Air Cave
- Speleothem
- SIMS
- ion probe
- palaeoenvironments
- palaeobotany
- rainfall
- Africa