Rangeland Ecology & Management
Get reliable science
Toggle Search
Result Type
Collection
Keywords
Document Type
Displaying 201 - 250 of 281 results
- Library Collection RecordEnumeration of carbon stocks at benchmark sites is a necessary activity in assessing the potential carbon sequestration and possible generation of credits through restoration of intensively impacted…Publication Date 2011
- allometry
- basal area
- biomass
- carbon
- Lowveld
- savanna
- Mesophyllous
- Microphyllous
- rainfall gradient
- volume
- carbon sequestration
- restoration
- rainfall
- South Africa
- Library Collection RecordDespite the Roggeveldberge comprising the montane heart of the celebrated Hantam-Roggeveld Centre of Plant Endemism (HRC), this section of the southern Great Escarpment in South Africa is botanically…Publication Date 2011
- biogeography
- Endemic speciesFloristics
- Great Escarpment
- Hantam-Roggeveld Centre of Plant Endemism
- Komsberg
- Roggeveld
- phytogeography
- ecology
- plant community
- Great Escarpment
- South Africa
- Library Collection RecordSubtropical thicket dominated by the leaf- and stem-succulent tree Potulacaria afra (spekboom) accumulates extraordinarily high amounts of soil organic carbon for a semi-arid ecosystem. This has been…Publication Date 2011
- carbon dioxide
- rainfall
- restoration
- Semi-arid ecosystem
- soil organic matter
- carbon sequestration
- climate change
- Eastern Cape Province
- South Africa
- Library Collection RecordThis paper evaluates the history of fire management in the Bontebok National Park (3435 ha) over a period of almost four decades. A GIS database was compiled of all fires between 1972 and 2009 and…Publication Date 2010
- fire frequency
- fire season
- Grazers
- Post-fire age distribution
- prescribed burning
- Bontebok National Park
- South Africa
- Library Collection RecordHere we describe the fine root distribution of trees and grasses relative to soil nitrogen and water profiles. The primary objective is to improve our understanding of edaphic processes influencing…Publication Date 2010
- nitrogen
- root biomass
- savanna
- Trees and grasses
- water
- [delta]13C
- [delta]15N
- soils
- grasslands
- ecology
- ecosystem dynamics
- soil nutrition
- Kruger National Park
- South Africa
- Library Collection RecordThis study set out to generate estimates of the standing perennial biomass for six different vegetation types, and associated upland and lowland habitats, across the altitudinal gradient presented by…Publication Date 2010
- Above ground biomass
- Communal land use
- grazing impacts
- Volume-biomass regressions
- plant autecology
- rangeland condition
- economics
- South Africa
- Library Collection RecordThe grassland community in the floodplain of Nylsvley Nature Reserve was classified hierarchically using the quadrat method of vegetation survey. While sampling, quadrats of 1 m x 1 m in size were…Publication Date 2010
- Nylsvlei Nature Reserve
- Limpopo Province
- South Africa
- Library Collection RecordFour plant functional types (PFTs) were used to compare the vegetation structure of an alien-invaded Acacia nilotica savanna with one of negligible invasions. Heights, canopy covers and species…Publication Date 2010
- alien plants
- canopy cover
- composition
- physiognomy
- plant functional types
- plant height
- species richness
- savanna
- Alien invasive species
- vegetation dynamics
- KwaZulu-Natal
- South Africa
- Library Collection RecordHerbivores can act as dispersal vectors by purposely or accidentally ingesting ripe fruits, and thus endozoochory is one determining factor for plant distribution patterns. The objective of our study…Publication Date 2010
- Aizoaceae
- germination
- Namaqualand
- Nature conservation management
- rangelands
- Succulent karoo
- management
- conservation
- ecology
- Succulent karoo
- South Africa
- Library Collection RecordRenosterveld is a grassy shrubland with a diverse understory of geophytes. Exceptional plant diversity and endemism, combined with considerable fragmentation due to transformation to cropland, make…Publication Date 2009
- ecosystem services
- rainfall simulation
- Renosterveld fragments
- transformation
- wind erosion
- endemic species
- conservation
- hydrology
- rainfall
- degradation
- management
- South Africa
- Library Collection RecordWe present the first detailed survey of a population of Acacia paradoxa DC. (syn. Acacia armata R.Br.), Kangaroo Thorn, in South Africa. The species is listed under the Conservation of Agricultural…Publication Date 2009
- biological invasions
- Early detection
- Emerging invader
- invasive alien plants
- Alien invasive species
- seeds
- restoration ecology
- conservation
- South Africa
- Library Collection RecordNo abstract availablePublication Date 2009
- Soil Condition
- savanna
- ecosystem ecology
- Kruger National Park
- South Africa
- Library Collection RecordNo abstract availablePublication Date 2009
- grasslands
- restoration ecology
- KwaZulu-Natal
- South Africa
- Library Collection RecordNo abstract availablePublication Date 2009
- grasslands
- soil nutrients
- nutrition
- Highveld
- South Africa
- Library Collection RecordNo abstract availablePublication Date 2009
- carbon sequestration
- savanna
- ecology
- KwaZulu-Natal
- South Africa
- Library Collection RecordNo abstract availablePublication Date 2009
- grasslands
- ecology
- Klerksdorp
- South Africa
- Library Collection RecordThe regeneration dynamics of South African subtropical thicket are poorly understood. This lack of knowledge hampers the development of appropriate restoration protocols in degraded landscapes. To…Publication Date 2009
- carbon credits
- Portulacaria afra
- restoration
- seed production
- seedling establishment
- soil organic matter
- seeds
- seed banks
- vegetation dynamics
- restoration ecology
- landscape ecology
- South Africa
- Library Collection RecordThe Sneeuberg mountain complex (Eastern Cape) comprises one of the most prominent sections of the Great Escarpment in southern Africa but until now has remained one of the botanically least known…Publication Date 2009
- Albany Centre of Endemism
- biogeography
- Drakensberg Alpine Centre of Endemism
- Floristic survey
- phytogeography
- Sneeuberg Centre of Endemism
- taxonomy
- endemic species
- Great Escarpment
- South 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 RecordCoastal South Africa draws interdisciplinary interests due to the co-occurrence of a rich record for early human behavioral modernity, hyper-diverse vegetation with very high endemism (the Cape…Publication Date 2010
- South Africa
- Library Collection RecordAbstract Woody plant encroachment is a common consequence of disturbance in savannas. Grazers and browsers interfere with sapling establishment dynamics by direct consumption of plant tissue,…Publication Date 2013
- Acacia
- browsing
- grazing
- mesic savanna
- tree sapling biomass
- woody plant encroachment
- indigenous encroaching species
- savanna
- soil nutrients
- ecosystem ecology
- vegetation dynamics
- South Africa
- Library Collection RecordThe ingression of woody plants into the grassy layer of savannas and grasslands has become a global concern. The increase of woody plants has been primarily attributed over grazing, fire and more…Publication Date 2012
- aerial photography
- fire suppression
- herbivory
- Long-term observations
- Palatable trees
- remote sensing
- Textural analysis
- Time-series analysis
- Unpalatable trees
- woody plant encroachment
- KwaZulu-Natal
- South Africa
- Library Collection RecordFour major climato-environmental phases have been identified in the Eastern Cape, Plettenberg Bay-Knysna region and Little Karoo between somewhat before ?40 000 cal. a BP and the present: the Birnam…Publication Date 2011
- palaeoclimate
- southern Africa
- Late Quaternary
- Last Glacial Maximum
- Late Glacial
- Holocene
- South Africa
- Library Collection RecordHyrax middens are unique environmental archives with the potential to provide unprecedented high-resolution palaeoenvironmental records, particularly in the arid regions of southern Africa. This…Publication Date 2010
- Procavia
- Quaternary
- Lipids
- stable isotopes
- paleoenvironmental data
- South Africa
- Library Collection RecordA paleo-environmental record covering the last 16 ka (16,000 cal yrs BP) from the eastern areas of the summer rainfall region in South Africa is presented. This area is until now sparsely…Publication Date 2009
- climate change
- pollen
- stable isotopes
- palaeobotany
- South Africa
- Library Collection RecordThe feeding behaviour of Xhosa lop-eared (XLE), Nguni (NGN) and Nguni x Boer crossbred (NBC) goat genotypes was compared in a False Thornveld rangeland by recording time spent on browsing, grazing…Publication Date 2011
- rangelands
- foraging
- goats
- South Africa
- Library Collection RecordElandskloof was the first land restitution case in post-apartheid South Africa in which the government returned land to a community. The communal property association became dysfunctional, and the…Publication Date 2011
- Communal land systems
- Common property regimes
- Land restitution
- Post-apartheid land reform
- legislation
- subsitence agriculture
- socio-economic aspects
- non-grazing resources
- management
- South Africa
- Library Collection RecordThis paper takes as its starting point the assertion that current rangeland management in the central Eastern Cape Province (former Ciskei) of South Africa, is characterised primarily by an '…Publication Date 2010
- Communal lands
- institutions
- grazing management
- fencing
- South Africa
- Library Collection RecordIn this paper, we re-interpret three cases of research previously carried out in Mali, Niger and South Africa in light of the recent debate about formalisation of land rights that has emerged since…Publication Date 2009
- Formalisation
- Land rights
- Mali
- Niger
- South Africa
- Library Collection RecordSpatial technologies present possibilities for producing frequently updated and accurate habitat maps, which are important in biodiversity conservation. Assemblages of vegetation are equivalent to…Publication Date 2010
- biodiversity conservation
- habitat mapping
- remote sensing
- soil fertility
- conservation
- biodiversity
- mapping
- satellite imagery
- national parks
- South Africa
- Library Collection RecordSummary The scientific and management perception of artificial surface-water provision has swung like a pendulum from being to the benefit of herbivores, to being to the detriment of many vegetation…Publication Date 2009
- Artificial water provision
- Surface-water management policies
- management
- GIS
- national parks
- monitoring
- conservation
- ecosystem ecology
- decision support systems
- Kruger National Park
- South Africa
- Library Collection RecordSummary Evaporation measurements using two Bowen ratio energy balance (BREB) systems in a remote high altitude montane grassland catchment of the Drakensberg Mountains, Cathedral Peak, South Africa…Publication Date 2009
- Bowen ratio
- Data rejection
- Grassland evaporation
- K Method
- Surface-layer scintillometer
- Temperature-variance
- grasslands
- soil moisture
- Cathedral Peak
- South Africa
- Library Collection RecordSome of the earliest evidence for modern human behavior has been recovered from the Western Cape Province, South Africa. Archaeological and paleontological sites in the Western Cape are typically…Publication Date 2010
- Modern human behavior
- paleoecology
- Glacial environments
- Middle Stone Age
- Later Stone Age
- palaeobotany
- Western Cape Province
- 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 RecordIt is well recognised that local ecological knowledge is an important facet of natural resource management in rural regions of the developing world. However, techniques to assess levels and to…Publication Date 2010
- experts
- local ecological knowledge
- savanna
- Scoring
- traditional knowledge
- management
- Indigenous knowledge
- South 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 impacts of fire and grazing management on grass nutritional quality in semi-arid savannas may depend on inherent variation in rainfall and soil nutrient status. We examined the effects of grazing…Publication Date 2010
- crude protein
- Grass nutritional quality
- phosphorus
- rainfall
- grazing
- fire ecology
- soil nutrients
- management
- savanna
- forage quality
- plant production
- Northern Cape
- South Africa
- Library Collection RecordRelationships between species richness per plant life form and the soil properties: infiltrability, clay plus silt content, salinity, and pH were investigated at eighteen study sites located in…Publication Date 2010
- clay
- EC
- Infiltrability
- niche
- pH
- silt
- Soil Condition
- species richness
- biodiversity
- ecosystem ecology
- South Africa
- Library Collection RecordThis study aimed to quantify and understand the impact of severe land degradation on plant diversity in part of the Succulent Karoo. Although total number of species declined with heavy grazing,…Publication Date 2010
- disturbance
- Extirpation
- grazing
- local extinction
- Nurse plants
- soil crusts
- degradation
- biodiversity
- species richness
- ecosystem ecology
- landscape ecology
- Succulent karoo
- South Africa
- Library Collection RecordThis study investigates the extent to which seed production in Schinus molle is dependent upon pollinators and outcrossing with the objective of understanding whether pollination and seed set could…Publication Date 2010
- biological invasions
- Breeding system
- dioecy
- Peruvian pepper tree
- pollination
- savanna
- Alien invasive species
- seeds
- South Africa
- Library Collection RecordThe feasibility of restoring subtropical thicket using carbon markets is largely a function of its carbon sequestration potential. We measured below-ground carbon stocks and analysed soil properties…Publication Date 2010
- bulk density
- carbon sequestration
- degradation
- erosion
- restoration
- soil nutrients
- restoration ecology
- rehabilitation
- carbon dioxide
- Carbon Sink
- South Africa
- Library Collection RecordThe use of pollen analysis of herbivore middens in arid and semi-arid areas has facilitated palaeoenvironmental reconstruction and interpretation in places where this may otherwise be impossible due…Publication Date 2010
- Fynbos
- Hyrax midden
- palynology
- southern hemisphere
- Stable isotope analysis
- Vegetation history
- winter rainfall zone
- palaeobotany
- palaeoecology
- Western Cape
- South Africa
- Library Collection RecordThe direct short-term impact of three rates of stocking (4, 8 and 16 small-stock units [SSU] ha-1) was quantified in terms of soil characteristics of arid Nama Karoo vegetation (subshrub/grass).…Publication Date 2009
- bulk density
- Infiltration Rate
- Karoo bushes
- soil compaction
- stocking rate
- sheep
- agriculture
- grazing
- soils
- stocking rates
- hydrology
- South Africa
- 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 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 RecordThe sediments of Holocene floodplain banks in several river catchments in the southern Cape region, South Africa, were sedimentologically investigated and radiometrically dated. The study resulted in…Publication Date 2010
- Floodplain formation
- fluvial geomorphology
- Environmental change
- palaeobotany
- Gourits River basin
- Cape region
- 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