Rangeland Ecology & Management
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Displaying 201 - 250 of 286 results
- Library Collection RecordMonitoring cattle inflows and outflows over time is a good indicator of herd productivity. In this study, ninety households were monitored for a year to determine the effect of season, rangeland type…Publication Date 2009
- Cattle sales
- Herd dynamics
- Household consumption
- mortality
- cattle
- Economic Aspects
- rangelands
- animal production
- South Africa
- Library Collection RecordThe relationships between the spatial distribution of gully erosion and topographic thresholds in the form of slope angle, position and configuration, as well as land use change in the form of…Publication Date 2009
- gully erosion
- Abandoned lands
- Slope configuration
- Stream power index
- Topographic threshold
- erosion
- land use
- degradation
- GIS
- remote sensing
- policies
- Eastern Cape
- South Africa
- Library Collection RecordDegradation in Sneeuberg Region of the central Karoo, South Africa, is characterized by the development of badlands on the footslopes of upland areas and by gully systems in valley bottoms. Evidence…Publication Date 2009
- land degradation
- soil erosion
- Badlands
- Gullies
- Erosion pins
- remote sensing
- Aerial Photographs
- degradation
- rangelands
- rangeland condition
- monitoring
- Karoo
- South Africa
- Library Collection RecordLittle is known about the sequence of climate and environmental change in southern Africa during the last glacial period, in spite of the intimations from records, such as Antarctic ice cores and…Publication Date 2009
- Late Pleistocene
- climate variability
- stalagmites
- stable isotopes
- palaeobotany
- palaeoclimate
- South Africa
- Library Collection RecordSavannas are shaped by drought, herbivory, nutrient limitation, and fire. We assessed the interactions between two of these factors--nutrient limitation and fire--across a savanna landscape in Kruger…Publication Date 2009
- Experimental burn plot
- Granite
- fire
- catena
- Foliar
- savanna
- fire ecology
- soil fertility
- Kruger National Park
- South Africa
- Library Collection RecordPatchy vegetation patterns are an expression of soil surface conditions, water redistribution on the soil surface and landscape function. Their origin is attributed by many a scholar to the…Publication Date 2009
- patchiness
- Moisture dependencies
- Soil crusting
- Runoff generation
- Dysfunctional
- Soil Condition
- rainfall
- runoff
- Aerial Photographs
- Alien invasive species
- disturbance
- erosion
- land use
- grazing
- landscape ecology
- degradation
- Eastern Cape
- South Africa
- Library Collection RecordThe relative importance of fire and herbivory on vegetation structure has been the subject of much debate in savanna ecology. Fire regime and herbivore numbers are two key variables that managers of…Publication Date 2009
- Carnegie Airborne Observatory
- conservation
- heterogeneity
- LiDAR
- management
- Thresholds of potential concern
- fire
- animal impact
- remote sensing
- national parks
- Kruger National Park
- South Africa
- Library Collection RecordMany existing parks are currently experiencing difficulties in achieving their conservation aims, yet they remain an important option for maintaining and enhancing the conservation of biological…Publication Date 2009
- Effectiveness evaluation
- Criteria and indicators
- Parks management
- Conservation Policy
- national parks
- ecosystem ecology
- management
- conservation
- biodiversity
- ecosystem services
- sustainability
- monitoring
- South Africa
- Canada
- Library Collection RecordEcosystems services sustain humans all over the world. The unsustainable use of ecosystem services around the world has led to widespread degradation which now threatens human health and livelihoods…Publication Date 2009
- conservation planning
- species
- Hotspot
- soil
- water
- carbon
- ecosystem services
- biodiversity
- hydrology
- soils
- South Africa
- Library Collection RecordIt is becoming increasingly difficult to manage and expand statutory conservation areas (i.e., parks and formally protected areas). Therefore, alternative opportunities for land conservation merit…Publication Date 2009
- Private protected areas
- stewardship
- Gap analysis
- Systematic conservation planning
- conservation easements
- Private land conservation
- conservation
- management
- biodiversity
- land use
- Little Karoo
- South Africa
- 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 RecordThe new African National Congress government announced after 1994 that municipal commonage would be a pillar of their land reform programme. The Department of Land Affairs spearheaded this by…Publication Date 2009
- Direct-use value of livestock
- Livelihoods
- Local government
- Municipal commonage
- South Africa
- Eastern Cape
- common land
- income
- land reform
- landownership
- Livestock farming
- Local government
- productivity
- rural economy
- stakeholder
- subsistence agriculture
- policies
- legislation
- livestock
- socio-economic aspects
- land use
- management
- southern Africa
- Library Collection RecordLand degradation is a global problem affecting many countries including South Africa. This study was conducted in order to assess and monitor the nature and extent of land degradation within Qoqodala…Publication Date 2009
- geographic information systems
- South Africa
- Eastern Cape
- remote sensing
- land degradation
- monitoring
- GIS
- indigenous encroaching species
- erosion
- southern Africa
- Library Collection RecordThe Minerals and Petroleum Resources Act (MRPDA) No 28 of 2002 of South Africa states that the holder of a mining permit remains liable for environmental consequences until a closure certificate has…Publication Date 2009
- landscape ecology
- South Africa
- Highveld
- grassland ecology
- gold mines
- mining
- environmental aspects
- spectrum analysis
- restoration ecology
- rehabilitation
- modelling
- monitoring
- remote sensing
- southern Africa
- Library Collection RecordA highly variable invasive shrub, Lantana camara L. (Verbenaceae), has been notoriously difficult to control thus far despite a well established biological control programme in South Africa. A…Publication Date 2009
- Lantana camara
- South Africa
- Eastern Cape
- biological control
- Biological pest control agents
- Weeds
- biological control
- invasive plants
- Hemiptera
- Miridae
- Alien invasive species
- management
- insects
- restoration ecology
- southern 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 RecordThis research investigated the role played by traditional leaders in environmental governance in the context of decentralization, based on a case study of grass utilization in QwaQwa. Specifically,…Publication Date 2008
- biodiversity
- conservation
- agriculture
- environmental aspects
- grasses
- South Africa
- QwaQwa
- grassland ecology
- veld grass
- grasswork
- tribal government
- chiefdoms
- environmental policy
- subsistence agriculture
- communal farming
- socio-economic aspects
- policies
- southern Africa
- Library Collection RecordSound understanding of the influence of scale and context on ecological patternprocess relationships is lacking in many systems. The hierarchical patch dynamics paradigm (HPDP) provides a framework…Publication Date 2008
- vegetation dynamics
- savanna
- riparian ecology
- South Africa
- Kruger National Park
- Savanna ecology
- spatial ecology
- management
- woody plants
- indigenous encroaching shrubs
- modelling
- southern 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 RecordThe Grassland biome of South Africa has been identified as critically endangered and the biome in South Africa most requiring conservation attention through the implementation of efficient,…Publication Date 2007
- grassland ecology
- South Africa
- grassland
- conservation
- natural resources
- grassland biome
- biodiversity
- degradation
- soil erosion
- Alien invasive species
- indigenous encroaching species
- southern Africa
- Library Collection RecordThe effect of livestock type (cattle-to-sheep ratio) and stocking rate on grassland species richness and vegetation composition were tested using two long-term trials in Highland Sourveld Grassland…Publication Date 2007
- grasslands
- grazing
- South Africa
- KwaZulu - Natal
- plant diversity
- grazing
- environmental aspects
- livestock
- cattle
- sheep
- stocking rates
- grassland
- species richness
- fire
- southern 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 RecordSummary in English and Afrikaans. Also issued on CD-ROM.Publication Date 2006
- savanna
- ecology
- restoration ecology
- Alien invasive species
- management
- South Africa
- southern Africa
- Library Collection RecordWildfire prediction and management is an issue of safety and security for many rural communities in South Africa. Wildfire prediction and early warning systems can assist in saving lives,…Publication Date 2006
- vegetation mapping
- South Africa
- remote sensing
- fire ecology
- Mpumalanga
- Savanna ecology
- ground cover fires
- grassland fires
- grassland
- management
- southern 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