Rangeland Ecology & Management
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Displaying 151 - 200 of 286 results
- 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 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 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 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 RecordSustainable natural resource management requires inputs from both the natural and the social sciences. Since natural and social systems are inter-related and inter-dependent, it is essential that…Publication Date 2010
- Water allocation decision making
- Geographical information systems
- Meta-modelling
- Data integration
- spatial analysis
- river basins
- Inkomati Water Management Area
- GIS
- management
- socio-economic aspects
- irrigation
- Mpumalanga province
- South Africa
- Swaziland
- Mozambique
- Library Collection RecordThis paper presents the development and validation results of a weighted small-world network model designed to simulate fire patterns in real heterogeneous landscapes. Fire spread is simulated on a…Publication Date 2010
- forest fire
- Small-world network
- Monte Carlo method
- Solid flame model
- Fractal properties
- fire behaviourmodelling
- fire ecology
- Kruger National Park
- South Africa
- Library Collection RecordCan a payment for flows of ecosystem goods and services system, following appropriate management and restoration of natural capital produced in rural areas of a developing country, be developed in a…Publication Date 2010
- economic development
- land productivity
- restoration
- natural resource management
- Payments for ecosystem goods and services (PES)
- South Africa
- Library Collection RecordA root-feeding flea beetle, Longitarsus bethae Savini & Escalona (Chrysomelidae: Altcinae), was introduced into South Africa to complement the impact of the above-ground insect agents already…Publication Date 2010
- Root damage
- Impact assessment
- biological control
- Chrysomelidae
- Alticinae
- Verbenaceae
- invasive plants
- invertebrates
- Alien invasive species
- South Africa
- Library Collection RecordOf the 70 cases of classical biological control for the protection of nature found in our review, there were fewer projects against insect targets (21) than against invasive plants (49), in part,…Publication Date 2010
- invasive species
- Ecosystem function
- insect pests
- invasive plants
- ecological restoration
- biological control
- natural ecosystems
- Alien invasive species
- insects
- biodiversity
- ecosystem services
- conservation
- South Africa
- Library Collection RecordAcacia cyclops is one of the 13 species of Australian acacias (Mimosaceae) that have become naturalized in South Africa and are now declared invasive weeds. Dasineura dielsi, a multivoltine midge…Publication Date 2010
- Gall midges
- Cecidomyiidae
- biological control
- Invasive Australian acacias
- Fundamental host range
- Realized host range
- Flowering phenology
- Alien invasive species
- Weeds
- insects
- South Africa
- Library Collection RecordThe Knersvlakte in the Succulent Karoo Biome (South Africa) is known for its high plant diversity and endemism. In the course of establishing a conservation area there, we assessed baseline data for…Publication Date 2010
- Aizoaceae
- biodiversity
- herbivory
- Namaqualand
- rangeland management
- Systematic conservation planning
- conservation
- management
- grazing
- sheep
- goats
- South Africa
- Library Collection RecordGrasslands in South Africa have been extensively transformed and fragmented, but are poorly protected. Commercial afforestation poses a particular threat to grassland biodiversity because areas…Publication Date 2010
- Ecological network
- connectivity
- fragmentation
- agroforestry
- Grassland bird conservation
- grasslands
- conservation
- birds
- fire
- management
- ecosystem ecology
- South Africa
- Library Collection RecordLand use and land transformation are major threats to biodiversity. Only a small percentage of land and thus biodiversity is protected within reserves. The majority of biodiversity lies in the hands…Publication Date 2010
- biodiversity
- South Africa
- Eastern Cape
- Agrobiodiversity
- Agricultural ecology
- veld
- landscape assessment
- rangeland condition
- rangelands
- plant production
- grassland
- savanna
- socio-economic aspects
- communal farming
- grazing
- fire ecology
- soil erosion
- commercial agriculture
- southern Africa
- Library Collection RecordThe project was initiated by Eastern Cape Parks (ECP) as a request for the construction of inventories of priority species and their population levels inside three nature reserves on the Eastern Cape…Publication Date 2010
- Plant diversity conservation
- South Africa
- Eastern Cape
- Rare plants
- Population viability analysis
- biodiversity
- Plant conservation
- Conservation of Natural Resources
- Human-plant relationships
- socio-economic aspects
- conservation
- Nature reserves
- subsistence agriculture
- management
- grasslands
- southern Africa
- Library Collection RecordThe focus of this study is to explore and expand farmer learning processes in sustainable agriculture workplace contexts. It examines change oriented learning processes in the context of three…Publication Date 2010
- sustainable agriculture
- southern Africa
- Sustainable development
- Permaculture
- organic farming
- Training of farmers
- Zimbabwe
- South Africa
- Social and economic conditions
- socio-economic aspects
- communal farming
- Sustainable development
- southern Africa
- Library Collection RecordThe effect of four fertiliser nitrogen (N) levels (0, 50, 100 or 150 kg N/ ha) applied as a single dressing in either autumn (late April), early winter (early June), late winter (mid July), early…Publication Date 2009
- herbage nitrogen yields
- nitrogen recovery rate
- pastures
- fertiliser
- management
- plant production
- fodder quality
- Western Cape Province
- South Africa
- Library Collection RecordDifferences in land-use management may result in different rangeland condition (soil, vegetation and biodiversity) and productivity. Vegetation condition in contrasting land-use management systems is…Publication Date 2009
- Chemical Properties
- enzyme activity
- land-use management
- microbial biomass
- rangeland degradation
- soil degradation
- rangelands
- management
- land use
- rangeland condition
- communal farming
- Commercial farming
- game farming
- North West Province
- South Africa
- Library Collection RecordSeed production, viability, dispersal, predation and seed banks of Themeda triandra were determined to assess the potential of the seeds of this indigenous species in the re-establishment of degraded…Publication Date 2009
- burning
- disturbance
- regeneration
- seeds
- vegetation dynamics
- grasslands
- seed banks
- degradation
- restoration ecology
- fire ecology
- South Africa
- Library Collection RecordThere are few tests of the predicted decline of secondary productivity in desertified rangelands, despite this being one of the major concerns around desertification. Subtropical thicket, largely…Publication Date 2009
- body growth
- fleece production
- rangelands
- veld degradation
- animal production
- goats
- degradation
- rainfall
- management
- South Africa
- Library Collection RecordThis study examined intraspecific variation in mineral composition and rumen degradability of Atriplex nummularia plants and the influence on selection preferences of sheep. Individual plants were…Publication Date 2009
- forage quality
- in situ degradability
- intraspecific variation
- salt bush
- sheep
- nutrition
- diet selection
- forage quality
- South Africa
- Library Collection RecordTransformation of natural landscapes can result in the local extinction of many plant species. If the new land use is discontinued, many original species will not recolonise the area, necessitating…Publication Date 2009
- grass propagation
- tillers
- tuft fragmentation
- restoration ecology
- rehabilitation
- grassland
- KwaZulu-Natal
- South Africa
- Library Collection RecordThe nutritive value of four subtropical grasses (Panicum maximum, Anthephora pubescens, Digitaria eriantha and Chloris gayana) standing hay were compared in terms of qualitative intake and partial…Publication Date 2009
- Anthephora pubescens
- Chloris gayana
- Digitaria eriantha
- nutritive value
- Panicum maximum
- diet selection
- sheep
- forage quality
- animal nutrition
- grazing
- South Africa
- Library Collection RecordUnderstanding how grass species' traits relate to their invasiveness and the invasibility of their monocultures can inform restoration of diverse grassland. We measured vegetative traits for 18…Publication Date 2009
- grassland
- invasion
- plant traits
- restoration ecology
- species richness
- KwaZulu-Natal
- South Africa
- Library Collection RecordAbstract Aim Evidence is accumulating of a general increase in woody cover of many savanna regions of the world. Little is known about the consequences of this widespread and fundamental ecosystem…Publication Date 2009
- Biome shift
- Bush encroachment
- global change
- Land cover change
- landscape heterogeneity
- savanna
- biodiversity
- birds
- ecosystem ecology
- species richness
- vegetation dynamics
- South Africa
- Library Collection RecordSchinus molle (Peruvian pepper tree) was introduced to South Africa more than 150 years ago and was widely planted, mainly along roads. Only in the last two decades has the species become naturalized…Publication Date 2009
- Alien invasive species
- germination
- seeds
- savanna
- South Africa
- Library Collection RecordThis study investigated the utilization of mist-belt grassland habitat by the threatened blue swallow and was conducted over three successive breeding seasons in the Blue Swallow Natural Heritage…Publication Date 2009
- conservation
- flight speed
- habitat management
- habitat requirements
- home-range
- South Africa
- Library Collection RecordThe Grassland Biome is currently one of the most threatened biomes in South Africa and is in dire need of a biomonitoring protocol. The components of ecological integrity in these ecosystems are,…Publication Date 2009
- Ecological Index value
- ecological integrity
- functional feeding groups
- insects
- SAGraSS method
- grasslands
- monitoring
- rangeland condition
- South Africa
- Library Collection RecordThe dietary regimes of 15 ungulate species from the middle Pleistocene levels of the hominid-bearing locality of Elandsfontein, South Africa, are investigated using the mesowear technique. Previous…Publication Date 2009
- Elandsfontein
- Mid-Pleistocene
- ungulates
- Mesowear
- palaeoenvironment
- palaeobotany
- Elandsfontein
- Western Cape
- South 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 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 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 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 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 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 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