Rangeland Ecology & Management
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Displaying 51 - 100 of 318 results
- Library Collection RecordWithin the Kyoto Protocol, the clean development mechanism (CDM) is an instrument intended to reduce greenhouse gas emissions, while assisting developing countries in achieving sustainable…Publication Date 2008
- climate change
- afforestation
- reforestation
- land use
- Spatial modeling
- trees
- forests
- carbon
- CDM-AR
- land use change
- greenhouse gases
- Sustainable development
- socio-economic aspects
- Carbon Sink
- grasslands
- savanna
- food security
- Africa
- Library Collection RecordNo abstract availablePublication Date 2007
- insects
- grasslands
- Africa
- Library Collection RecordRapid population growth, unsustainable land use, and a pervasively degrading landscape are components of a dominant paradigm regarding African development. While recent work articulating the '…Publication Date 2006
- conservation
- land tenure
- land use
- remote sensing
- deforestation
- Uganda
- vegetation dynamics
- degradation
- Sustainable development
- grasslands
- biomass
- soil
- Africa
- Library Collection RecordThis 556-page book examines current grassland problems and issues, and provides an insight into grassland productivity in diverse areas of the world. There is a focus on recent technical advances and…Publication Date 2005
- grasslands
- foraging ecology
- agriculture
- climate change
- biodiversity
- GIS
- pastoralism
- Sustainable development
- 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 RecordLittle is known about the grass species type, composition and nutritive value in the semiarid savannas that sustain most of Swaziland's cattle population through the seven-month-long dry season…Publication Date 2009
- cumulative gas production
- organic matter degradability
- ruminant livestock
- tropical grass species
- nutrition
- cattle
- grasslands
- savanna
- grazing
- soils
- forage quality
- Swaziland
- Africa
- Library Collection RecordWhat underlies species distribution and species coexistence has long been of key interest in community ecology. Several methods and theories have been used to address this question. However, it still…Publication Date 2012
- ecosystem ecology
- grasslands
- national park
- conservation
- management
- community ecology
- savanna
- Kruger National Park
- South Africa
- Library Collection RecordThis book contains a compilation of offered papers presented at the main congress of the XX International Grassland Congress held in University College Dublin, Ireland from 26 June to 1 July, 2005.…Publication Date 2005
- fire ecology
- sustainability
- grasslands
- management
- Africa
- Library Collection RecordThe untimely passing away of Rob Scott-Shaw on 9 December 2012 came as a great shock to his family, friends and colleagues. Rob’s dedicated work ethic and commanding knowledge of botanical…Publication Date 2014
- tribute
- ecology
- grasslands
- KwaZulu-Natal
- South Africa
- Library Collection RecordThemeda triandra Forssk. is a common perennial grass in southern African grasslands that tolerates low nutrient soils. Establishment of the species into degraded or transformed areas is difficult,…Publication Date 2014
- grasslands
- soil nutrients
- tillers
- restoration ecology
- fertiliser
- nitrogen
- phosphorus
- potassium
- Themeda triandra
- southern Africa
- Library Collection RecordThe quality of the landscape is declining in many grassland and savanna areas of Africa as a consequence of woody plant encroachment. We investigated the changes in vegetation at selected sites on…Publication Date 2014
- Vegetation Change
- grasslands
- savanna
- degradation
- Bush encroachment
- land use
- soils
- rainfall
- temperature
- climate change
- carbon dioxide
- KwaZulu-Natal
- South Africa
- Library Collection RecordFire is a key driver in shaping and maintaining grasslands. Long-term exclusion of fire in moist grasslands has been attempted at Catchment IX (CIX) at Cathedral Peak since 1952. Vegetation was…Publication Date 2011
- Erica evansii
- Leucosidea sericea
- moist grasslands
- tree mortality
- fire ecology
- grasslands
- management
- species diversity
- KwaZulu-Natal
- South Africa
- Library Collection RecordInteractions between mature grass plants and grass seedlings have been found to be both facilitative and competitive. To examine the effects of aboveground and belowground competition on seedling…Publication Date 2011
- competition
- grass seedling
- soil depth
- seedlings
- grasslands
- plant production
- siol depth
- plant autecology
- grazing
- stocking rates
- management
- South Africa
- Library Collection RecordArthropods are valuable biological indicators owing to strong relationships with primary producers. The supposition that arthropod-plant interactions are constant over seasons was tested using Mantel…Publication Date 2011
- arthropod community composition
- Bloemfontein Dry Grassland
- Mantel test
- plant community composition
- trophic interactions
- insects
- biological indicators
- plant production
- biodiversity
- ecosystem ecology
- grasslands
- Free State province
- South Africa
- Library Collection RecordProductivity and mortality of grass plants following drought may be controlled by interactions between defoliation and severity of the drought. Prudent grassland management might mitigate deleterious…Publication Date 2010
- fodder production
- rehabilitation
- tradeoff
- water stress
- drought
- grazing
- grasslands
- management
- plant production
- KwaZulu-Natal
- South Africa
- Library Collection RecordSinking boreholes to tap groundwater supplies facilitated expansion of all-year round livestock production into the semi-arid Kalahari. Increased grazing and trampling pres sure around the boreholes…Publication Date 1997
- agriculture
- piosphere
- grazing
- grasslands
- soil erosion
- Soil Condition
- cattle
- watering points
- rainfall
- modelling
- Africa
- Library Collection RecordAbstract Soil-stored seed banks of grassland, fynbos and thicket, all growing on calcareous dunes and each subject to different disturbance regimes, were examined. Seed banks were determined from…Publication Date 1991
- Fynbos
- grasslands
- ordination
- South Africa
- succession
- Thicket
- Bond & Goldblatt (1984)
- seed banks
- germination
- disturbance
- biodiversity
- Africa
- Library Collection RecordThe physiognomy of dry savannas is described as a combination of discontinuous woody perennials and a continuous grassland matrix. Interactions between these two components are of vital importance…Publication Date 1992
- Herb composition
- herbaceous production
- microclimate
- nitrogen fixation
- Soil amelioration
- vegetation dynamics
- savanna
- grasslands
- landscape ecology
- soil nutrients
- rainfall
- Africa
- Library Collection RecordAbstract. Question: What is the long-term influence of nutrient availability, productivity and soil pH on grassland community organization? Location: Ukulinga research farm, KwaZulu-Natal, South…Publication Date 2005
- Above-ground production
- fertilization
- Hierarchy of limiting nutrients
- Plant trait
- primary productivity
- Soil acidification
- soil pH
- species richness
- soils
- plant production
- grasslands
- soil nutrients
- ecosystem ecology
- Africa
- Library Collection RecordQuestion: What is the long-term compositional response of brass and forb species to various combinations of burning and mowina? Can these responses be predicted from simple plant traits? Location:…Publication Date 2005
- fire ecology
- grasslands
- mowing
- species richness
- biodiversity
- ecology
- Africa
- Library Collection RecordAbstract. Disturbance may be an important determinant of plant community composition and diversity owing to its effects on competitive interactions, resources, dominance and vigour. The effect of…Publication Date 2004
- competition
- fire
- light
- litter
- Soil desiccation
- species richness
- fire ecology
- grasslands
- ecosystem ecology
- management
- Africa
- Library Collection RecordAbstract C4 photosynthesis had a mid-Tertiary origin that was tied to declining atmospheric CO2, but C4-dominated grasslands did not appear until late Tertiary. According to the 'CO2-threshold…Publication Date 2005
- grasslands
- Miocene
- Paleosols
- photosynthesis
- savannas
- woodlands
- palaeobotany
- Africa
- Library Collection RecordAn important question in biodiversity studies is whether disturbances in ecosystems will cause a net loss of species or whether such losses can be compensated by replacement of other species. We use…Publication Date 2011
- compensation
- Ecosystem function
- grasslands
- Serengeti birds
- ecosystem ecology
- birds
- invertebrates
- fire ecology
- management
- Tanzania
- Africa
- Library Collection RecordAtmospheric CO2 has more than doubled since the last glacial maximum (LGM) and could double again within this century, largely due to anthropogenic activity. It has been suggested that low [CO2]…Publication Date 2010
- elevated CO2
- fire
- Last Glacial Maximum
- Root
- savanna
- starch
- carbon dioxide
- climate change
- grasslands
- fire ecology
- elevated CO2
- management
- plant autecology
- plant community ecology
- plant production
- Africa
- Library Collection Record1.?Treeless grasslands with climates that can support tree growth are common in upland regions around the world. In South Africa, the upland grasslands are adjacent to lowland savannas in many areas…Publication Date 2012
- savanna
- grasslands
- ecosystem ecology
- fire ecology
- day-length
- determinants of plant community diversity and structure
- fire
- frost
- growth rate
- savanna tree phenology
- temperature
- South Africa
- Library Collection Record1. Grazing lawns are short grassland areas where intense grazing maintains grass in an early growth stage. These areas represent a source of high-quality forage for herbivores. However, as herbivores…Publication Date 2010
- grazing
- grasslands
- management
- plant production
- savanna
- vegetation dynamics
- climatic variability
- continuous stocking
- grazing systems
- intensively managed grasslands
- large herbivores
- primary production
- rainfall
- white rhino
- South Africa
- Library Collection RecordAbstract The main factors affecting the abundance and composition of the invertebrate fauna in grassland are reviewed. Old grasslands with species-rich swards and complex structure support an…Publication Date 1987
- grasslands
- biodiversity
- soils
- ecosystem ecology
- management
- Pesticides
- Africa
- Library Collection RecordAbstract Woody plant increase in grassy biomes has been widely reported over the last century. Increases have been attributed to local drivers associated with land use change, such as heavy grazing…Publication Date 2010
- biome switch
- global drivers
- land use practices
- local drivers
- thicket expansion
- indigenous encroaching species
- grasslands
- grazing
- fire ecology
- carbon dioxide
- Aerial Photographs
- land use
- conservation
- commercial agriculture
- communal farming
- stocking rates
- South Africa
- Library Collection RecordAbstract Recent IPCC projections suggest that Africa will be subject to particularly severe changes in atmospheric conditions. How the vegetation of Africa and particularly the grassland-savanna-…Publication Date 2009
- adaptive vegetation modelling
- aDGVM
- climate change
- demographic model
- DGVM
- fire
- process-based model
- savanna
- vegetation distribution
- grasslands
- modelling
- fire ecology
- disturbance
- carbon dioxide
- ecosystem ecology
- Africa
- Library Collection RecordAbstract Carbon sequestration programs, including afforestation and reforestation, are gaining attention globally and will alter many ecosystem processes, including water yield. Some previous…Publication Date 2005
- afforestation
- land-use change
- plantation
- runoff
- water yield
- carbon sequestration
- ecosystem dynamics
- modelling
- grasslands
- rainfall
- hydrology
- Africa
- Library Collection RecordLand used for agricultural production can contribute significantly to greenhouse gas (GHG) emissions; however, there is very little information on the role of management and land use change in…Publication Date 2010
- management
- climate change
- carbon dioxide
- greenhouse gases
- grasslands
- pasture management
- Africa
- Library Collection RecordSoil restoration is a means of combating desertification in semi-arid and arid parts of the world. There, vast areas of the cropped soil degrade, particularly because of the loss of organic matter.…Publication Date 2010
- carbon sequestration
- grasslands
- pasture management
- soil organic carbon
- management
- restoration ecology
- soils
- degradation
- South Africa
- Library Collection RecordSummary Agriculture has claimed a large share of terrestrial environments in the tropics and subtropics through cultivation of native grasslands or forests. The impact of this anthropogenic change on…Publication Date 2005
- agriculture
- Soil Condition
- grasslands
- land use
- degradation
- management
- Sulphur
- Africa
- Library Collection RecordGrasses (Poaceae) are the largest family of vascular plants in Burkina Faso with 254 species. In the savannahs they are the most important family in terms of abundance and species richness, in other…Publication Date 2011
- ecological niche models
- macroecology
- plant functional traits
- Poaceae
- Sahel
- savannah
- phytogeography
- modelling
- grasslands
- ecosystem ecology
- C4 grasses
- Africa
- Library Collection RecordThis study deals with the phenotypic polymorphism of twenty accessions of Cenchrus ciliaris L. (buffelgrass) collected in various climatic areas of Tunisia. Six seedlings per accession were…Publication Date 2011
- arid zones
- Cenchrus ciliaris
- morphometry
- multivariate analysis
- phenotype
- grasslands
- Tunisia
- Africa
- Library Collection RecordPrevious studies suggest that forest regeneration in grasslands is often slow because of grass competition and fire and that regeneration may be dependent on fire-resistant savannah trees. To examine…Publication Date 2011
- forest regeneration
- grasslands
- savannah trees
- species diversity
- woody plants
- competition
- fire ecology
- restoration ecology
- Kibale National Park
- Uganda
- Africa
- Library Collection RecordInvasive plants have invaded swathes of grasslands in Lake Nakuru National Park thus necessitating the Park management to institute measures to control them. Despite this, information on the status…Publication Date 2010
- biomass
- crude protein
- density
- forage
- grasslands
- invasive plants
- management
- ecosystem ecology
- Forage Quantity
- forage quality
- Kenya
- Africa
- Library Collection RecordAbstract Burning is commonly used in savannas to stimulate grass regrowth for grazing ungulates. We recorded the relative use of burns occurring at different stages in the seasonal cycle, as well as…Publication Date 2010
- burned grassland
- faecal nitrogen
- faecal phosphorus
- fire management
- foraging behaviour
- Hippotragus niger
- fire ecology
- grasslands
- savanna
- forage quality
- diet selection
- grazing
- foraging ecology
- nutrition
- 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 RecordSummary In a general ecological study of the Simanjiro Plains, northern Tanzania carried out from 1970 to 1972, the vegetation was studied as part of the habitat of large herbivores using this area.…Publication Date 1979
- ecology
- grasslands
- savanna
- sheep
- grazing
- animal impact
- Africa
- Library Collection RecordEstimates of vegetation greenness have been commonly used to gain information on herbivores' resource use (i.e. cattle). Green vegetation is considered of higher quality than senescent…Publication Date 2013
- grasslands
- NDVI
- South Africa
- Library Collection RecordEuclea divinorum, a fast establishing, unpalatable, and fire resistant bush is considered an invasive species in some parts of its range. In Ol Pejeta Conservancy (OPC), Kenya, E. divinorum bushes…Publication Date 2013
- Acacia drepanolobium
- encroachment
- Euclea divinorum
- grassland
- invasion
- seedlings
- indigenous encroaching species
- grasslands
- rainfall
- ecosystem ecology
- Kenya
- Africa
- Library Collection RecordPlant functional diversity and soil microbial community composition are tightly coupled. Changes in these interactions may influence ecosystem functioning. Links between plant functional diversity,…Publication Date 2013
- ecology
- Ecosystem function
- soils
- spceis diversity
- grasslands
- carbon dioxide
- South Africa
- 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 RecordAbstract Protected areas such as national parks are often assumed to be the best way to conserve plant diversity and maintain ecosystem composition and structure. To evaluate this assertion, we…Publication Date 2011
- conservation
- management
- restoration ecology
- management
- grasslands
- data analysis
- biodiversity
- land use
- vegetation dynamics
- grazing
- species richness
- national parks
- Tunisia
- Africa
- Library Collection RecordHierarchical classification based on proportional species composition of the grass layer was used to identify and classify semi-arid rangeland into range types. The relation between range types…Publication Date 1994
- rangelands
- classification
- savanna
- grasslands
- monitoring
- management
- Africa
- Library Collection RecordTeff (Eragrostis tef (Zucc.) Trotter) is a major food crop in Ethiopia and Eritrea. It is well adapted to Vertisols. Yields are low (around 1000 ‰kg/ha) despite fertilization with urea and…Publication Date 2011
- agriculture
- grasslands
- soicio-economic aspects
- food security
- fertilizer
- soil fertility
- zinc
- management
- Ethiopia
- Africa
- Library Collection RecordAbstract. South Africa has an important responsibility to global biodiversity conservation, but a largely inadequate conservation area network for addressing this responsibility. This study employs a…Publication Date 2001
- biodiversity
- conservation
- savanna
- grasslands
- land use
- Africa
- Library Collection RecordHerbaceous and woody alien plants visible from a moving vehicle were recorded along 1 km roadside transects at 5 km intervals over a distance of 5869 km in the semi-arid and arid Fynbos, Succulent…Publication Date 1998
- Alien invasive species
- rainfall
- ecosystem ecology
- soil classification
- land use
- savanna
- grasslands
- biodiversity
- Phytosociology
- Africa
- Library Collection RecordAbstract Aims To identify approaches to improve our understanding of, and predictive capability for, mixed tree–grass systems. Elucidation of the interactions, dynamics and determinants, and…Publication Date 2003
- Coexistence
- competition
- facilitation
- modelling
- primary production
- savanna
- shrubland
- grasslands
- rangelands
- tree–grass ratios
- ecosystem dynamics
- management
- Africa