Rangeland Ecology & Management
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- Library Collection RecordBook Review. No abstract available.Publication Date 2012
- ecosystem processes
- ecosystem ecology
- Library Collection RecordBook Review. No abstract is available for this article.Publication Date 2012
- deserts
- ecosystem ecology
- Library Collection RecordFeatures Discusses the history of the disconnect and methods of strengthening ties between wildlife research and management Examines the disconnect from an institutional perspective - including…Publication Date 2012
- management
- game
- ecosystem ecology
- grasslands
- rangelands
- Library Collection RecordSummary 10.1002/9780470292136.ch7.abs This chapter contains sections titled: * Objectives for This Chapter * Introduction * Defining Biodiversity * The Economic Value of Biodiversity * Threats to…Publication Date 2008
- biodiversity
- wildlife conservation
- ecosystem
- habitat destruction
- invasive species
- conservation
- ecosystem ecology
- Alien invasive species
- indigenous encroaching species
- southern Africa
- Library Collection RecordChanging climate adds a very significant dimension to the complex problem of ensuring that agriculture worldwide can feed the burgeoning human population. Ensuring food security must reduce…Publication Date 2009
- climate change
- plant production
- southern Africa
- Library Collection RecordAn overview of ecological models of grasslands and their research questions is presented. For the purpose of this article, models are regarded as a simplified and formalized representation of…Publication Date 2008
- competition
- disturbance
- Ecosystem modeling
- Grassland dynamics
- grazing
- Optimal life-history strategies
- primary production
- Remote sensing data
- Spatially explicit models
- succession
- modelling
- ecosystem ecology
- community
- vegetation dynamics
- plant production
- southern Africa
- Library Collection RecordConservation Biology for All provides cutting-edge but basic conservation science to a global readership. A series of authoritative chapters have been written by the top names in conservation biology…Publication Date 2010
- conservation
- climate change
- socio-economic aspects
- ecosystem ecology
- management
- fire ecology
- invasive species
- southern Africa
- Library Collection RecordThis chapter discusses the value and future of natural desert ecosystems. The goods and services provided by ecological systems and the natural capital that produce them are critical to the…Publication Date 2002
- desertification
- ecosystem ecology
- southern Africa
- Library Collection RecordSummary 10.1002/9780470698716.ch20.abs This chapter contains section titled: * Early Grassland Soils * How did Grasslands Arise? * Evolutionary ProcessesPublication Date 2008
- dry continental interiors
- advent of grasses
- urine-impregnated middens
- plant fossils
- ancient aridland ecosystems
- grasslands
- palaeobotany
- ecosystem ecology
- southern Africa
- Library Collection RecordThe geology, climates past and present, and soils of Africa are summarized, as are the effects of fire on the vegetation. The vegetation and animals of each major zone – forest, tropical seasonal…Publication Date 2001
- ecosystem ecology
- biodiversity
- southern Africa
- Library Collection RecordSummary 10.1002/9780470292136.ch4.abs This chapter contains sections titled: * Objectives for This Chapter * Introduction * Factors Influencing the Agricultural Use of Animals * Animal Distribution…Publication Date 2008
- food production
- physiological adaptation
- buffalo
- livestock
- veterinary service
- agriculture
- management
- sustainability
- animal production
- southern Africa
- Library Collection RecordSummary Grasslands are located in areas with precipitation ranging between 150 and 1200 mm yr-1 and temperature between 0 and 25 C (Lieth and Whittaker, 1975). Along a precipitation gradient, in…Publication Date 2001
- grasslands
- rainfall
- ecosystem ecology
- southern Africa
- Library Collection RecordAbstract Livestock grazing is often viewed as having detrimental effects on plants and plant communities. Livestock grazing can, however, be managed to be an effective tool for vegetation management…Publication Date 2010
- livestock
- grazing
- nutrition
- ecology
- management
- vegetation dynamics
- ecosystem ecology
- fire ecology
- southern Africa
- Library Collection RecordSummary The growth of agricultural production worldwide has led to an increasing role of agro-ecosystems within the global carbon cycle. Arable land in the world covers about one-tenth of the 134…Publication Date 2001
- plant production
- carbon dioxide
- animal nutrition
- animal production
- southern Africa
- Library Collection RecordLivestock have played a pivotal and positive role in human development. Yet this has come at a heavy cost to the biological diversity of the world's rangelands and forests. Livestock grazing is…Publication Date 2001
- rangelands
- ecology
- livestock
- southern Africa
- Library Collection RecordSummary The savanna biome is diverse, including formations ranging from almost treeless grasslands to more or less closed-canopy woodlands with considerable variation in plant composition, biomass,…Publication Date 2001
- savanna
- animal production
- plant production
- plant community ecology
- land use
- degradation
- agriculture
- ecology
- southern Africa
- Library Collection Record
17 Grasslands
Vegetation dominated by grasses, which is among the largest ecosystems in the world, has great environmental significance as well as providing feed for livestock and wildlife. Grassland types vary…Publication Date 2001- savannah
- steppe
- grasses
- herbivory
- grazing
- fire
- savanna
- grasslands
- disturbance
- livestock
- southern Africa
- Library Collection RecordThe world population has increased from 2–10 million at the dawn of settled agriculture about 10–12 millennium ago to 6.5 billion in 2006, and may stabilize at 10–12 billion by 2100. Most of…Publication Date 2007
- socio-economic aspects
- agriculture
- pastoralism
- soils
- management
- plant production
- animal production
- southern Africa
- Library Collection RecordPublished studies relating erosion and productivity have been generally based on information derived from expert opinion on the extent and severity of soil erosion and on limited data on its impact…Publication Date 2003
- soil erosion
- plant production
- management
- southern Africa
- Library Collection RecordNo abstract availablePublication Date 2006
- ecosystem ecology
- management
- Africa
- Library Collection RecordThe use of fire in the management of grassland is a common rangeland practice in South Africa. This portends ecological implication for the sustainability of the savannah rangelands as a system. A…Publication Date 2008
- fire ecology
- management
- savanna
- grasslands
- rangelands
- Soil Condition
- plant production
- Africa
- Library Collection RecordWe introduce the five rangeland types found in the arid and semiarid regions of South Africa, namely Arid Savanna, Arid Grassland, Nama-karoo, Succulent Karoo, and Thicket, and describe the important…Publication Date 2006
- rangelands
- savanna
- livestock
- grazing
- management
- commercial agriculture
- subsistence agriculture
- Sustainable development
- Africa
- Library Collection RecordTransformation of indigenous vegetation for production purposes impacts negatively on biodiversity but does this necessarily equate with a decrease in phytomass accumulation, which may influence…Publication Date 2008
- grasslands
- plant production
- carbon sequestration
- land use
- management
- conservation
- agriculture
- pasture management
- biodiversity
- Africa
- Library Collection RecordABSTRACT South Africa's first national assessment of spatial priorities for biodiversity conservation, released in 2005, aimed to identify conservation priority areas for mainstreaming into all…Publication Date 2007
- National Spatial Biodiversity Assessment
- conservation planning
- mainstreaming
- Implementation
- biodiversity
- conservation
- mapping
- ecosystem ecology
- ecosystems
- monitoring
- Africa
- Library Collection Record1. Gradients of animal impact known as piospheres tend to develop around artificial watering points, particularly in arid zones. Such grazing gradients represent a potential opportunity for…Publication Date 2006
- animal impact
- piosphere
- watering points
- livestock
- species richness
- ecosystem ecology
- rangelands
- grazing
- management
- disturbance
- stocking rates
- Africa
- Library Collection RecordUsing new tools (boosted regression trees) in predictive biogeography, with extensive spatial 23 distribution data for >19 000 species, we developed predictive models for South African plant…Publication Date 2006
- modelling
- species richness
- ecosystem ecology
- Alien invasive species
- grasslands
- Africa
- Library Collection RecordThe relationship between above and belowground species composition has been researched in forests, grasslands, and wetlands to understand what mechanisms control community composition. I thoroughly…Publication Date 2007
- grasslands
- plant community ecology
- plant production
- plant autecology
- species richness
- seed banks
- management
- Africa
- Library Collection RecordSummary * 1Demographic processes, particularly the recruitment of seedlings, are critical to the long-term survival and re-establishment of plant populations. In many perennial grasslands successful…Publication Date 2008
- demography
- emergence
- full factorial experiment
- intraspecific competition
- irrigation
- recruitment limitation
- seed addition
- seedling survival
- semi-arid savanna
- Stipagrostis uniplumis
- grasslands
- fire ecology
- seeds
- ecosystem ecology
- vegetation dynamics
- germination
- Africa
- Library Collection RecordPatches of wooded vegetation in nutrient-poor grassland characteristically contain high soil moisture and nutrient availability compared with surrounding grassland. These 'islands of fertility…Publication Date 2007
- grasslands
- soil moisture
- soil nutrients
- soil fertility
- animal impact
- fire
- ecosystem ecology
- Africa
- Library Collection RecordFlood depth has been frequently used to explain the distribution of plant species in seasonally flooded grasslands, but its relation with vegetation production has remained ambiguous. The…Publication Date 2007
- grasslands
- plant production
- hydrology
- plant autecology
- Africa
- Library Collection RecordResidues of arbuscular mycorrhizal fungi (AMF) may be important for agroecosystem functioning due to their ability to promote soil aggregation, especially in coarse textured soils with little biomass…Publication Date 2007
- soil organic matter
- Glomalin
- arbuscular mycorrhizal fungi
- Biomarker
- Arable land use
- savanna
- soils
- ecosystem ecology
- plant production
- Africa
- Library Collection RecordThis paper reviews the results of recent research on riparian vegetation recovery following the clearance of invasive alien plants. In Fynbos, Grassland and Savanna Biomes, riparian ecosystems were…Publication Date 2008
- Alien vegetation control
- fire
- Fynbos
- grassland
- biological invasions
- restoration
- riparian ecosystems
- savanna
- seed banks
- Alien invasive species
- management
- restoration ecology
- ecosystem ecology
- ecosystem services
- Africa
- Library Collection RecordSolanum mauritianum Scopoli (Solanaceae; 'bugweed') is a major weed of natural vegetation and plantations in the eastern higher rainfall regions of South Africa. This study assessed the…Publication Date 2008
- Ecosystem repair
- integrated control
- non-native species
- restoration ecology
- weed management
- Working for Water
- Alien invasive species
- ecosystem ecology
- hydrology
- grasslands
- savanna
- herbicides
- seed banks
- germination
- Africa
- Library Collection RecordNo abstract availablePublication Date 2007
- soils
- soil fertility
- national parks
- ecosystem ecology
- Africa
- Library Collection RecordNo abstract availablePublication Date 2007
- grasslands
- ecosystem ecology
- Africa
- Library Collection RecordThis paper evaluated the capacity of SPOT VEGETATION time-series to monitor the vegetation biomass and water content in order to improve fire risk assessment in the savanna ecosystem of Kruger…Publication Date 2006
- biomass
- Fire risk assessment
- SPOT VEGETATION
- time-series
- Vegetation water content
- fire ecology
- savanna
- vegetation dynamics
- monitoring
- plant production
- national parks
- remote sensing
- Africa
- Library Collection RecordComplementary resource use is regarded as a mechanism that contributes to positive relationships between biodiversity and ecosystem functioning. Here, we used a biodiversity experiment composed of…Publication Date 2008
- Arrhenatherum elatius
- Biodiversity effects
- Complementarity
- Light competition
- The Jena Experiment
- Vertical structure
- species richness
- biodiversity
- ecosystem ecology
- grasses
- grasslands
- Africa
- Library Collection RecordCoexistence of trees and grasses in savannas should be possible if competition between the woody and the grassy components is less intense than the competition within each component. Although several…Publication Date 2008
- Acacia mellifera
- Competitor removal experiment
- Nearest-neighbour distance
- quantile regression
- spatial autocorrelation
- Spatial point pattern analysis
- savanna
- ecosystem ecology
- vegetation dynamics
- ecology
- Africa
- Library Collection RecordThe tree-grass interactions of African savannas are mainly determined by varying rainfall patterns and soil fertility. Large savanna trees are known to modify soil nutrient conditions, but whether…Publication Date 2007
- canopy
- Fibre content
- Grass structure
- grazing
- nitrogen
- phosphorus
- savanna
- rainfall
- soil fertility
- plant production
- nutrition
- soil organic carbon
- biomass
- forage quality
- Africa
- Library Collection RecordMarine pollution is a major threat to human and environmental health. Given the complexity of function of marine and coastal ecosystems, it is unlikely that a balanced view of the nature and extent…Publication Date 2006
- environmental management
- Biomarker
- holistic
- Integrated risk assessment
- PAH
- TBT
- Organophosphorous pesticide
- biomarkers
- toxicity
- pollution
- ecosystem ecology
- Africa
- Library Collection RecordSummary The Okavango basin comprises the Cuito and Cubango active catchment areas in Angola, in addition to the Kavango-Okavango non-active catchment in northern Namibia and Botswana. The Okavango…Publication Date 2006
- Okavango River
- Livelihoods
- economic development
- Natural Environment
- Botswana
- Namibia
- Angola
- socio-economic aspects
- eco - tourism
- land use
- degradation
- ecosystem ecology
- ecosystem dynamics
- Africa
- Library Collection RecordSemi-arid areas are often considered to be environmentally and economically marginal, a situation which has been exacerbated by economic change, shifts in agricultural production and land use, and…Publication Date 2008
- Dry land degradation
- Economic decline
- Livestock trends
- population change
- Small towns
- rangelands
- Economic Aspects
- livestock
- agriculture
- socio-economic aspects
- politics
- Africa
- Library Collection RecordDespite the ubiquity of sub-tropical savannas throughout the earth, limitations of savanna productivity are understudied relative to other terrestrial systems. The limitations of savanna productivity…Publication Date 2008
- grass
- nitrogen
- phosphorus
- savanna
- rainfall
- soil nutrients
- plant production
- plant autecology
- Africa
- Library Collection RecordInvasion of ecosystems by woody alien plant species is a widespread phenomenon. Interspecific competition has often been suggested as a mechanism for replacement of one species by another, but this…Publication Date 2008
- biological invasions
- Coefficient of tree symmetry (TS)
- shade
- Symmetry technique
- Woodland structure
- savanna
- Alien invasive species
- ecosystem ecology
- ecosystem dynamics
- Phytosociology
- Africa
- Library Collection RecordKey resource areas (KRAs), defined as dry season foraging zones for herbivores, were studied relative to the more extensive outlying rangeland areas (non-KRAs) in Kenya. Field surveys with…Publication Date 2008
- drought
- forage
- foraging
- herbivore
- Pastoralist
- rangeland
- Satellite
- topography
- rangelands
- foraging ecology
- mapping
- ecosystem ecology
- landscape ecology
- soils
- monitoring
- conservation
- decision support systems
- Africa
- Library Collection RecordLivestock grazing may or may not be an exogenous disturbance facilitating the spread of exotic grasses, perhaps depending on the historical importance of native ungulates in a particular grassland.…Publication Date 2007
- Boer Lovegrass
- disturbance
- invasion
- Lehmann lovegrass
- livestock
- Africa
- Library Collection RecordPastoral production around artificial watering points in semi-arid environments affects the density and composition of plant communities. In the Kalahari desert of southwestern Africa, bush…Publication Date 2007
- Rural livelihoods
- watering points
- land degradation
- Fodder trees
- Indigenous ecological knowledge
- Herero
- pastoralism
- traditional knowledge
- piosphere
- degradation
- cattle
- household income studies
- participatory rural appraisal
- livestock
- subsistence agriculture
- socio-economic aspects
- Africa
- Library Collection RecordThe aim of this study was to determine the effect of drought on grazing patterns of livestock in a communal rangeland in Namaqualand. Water points were the foci of almost all grazing routes even…Publication Date 2007
- pastoralism
- drought
- Livestock farming
- Livestock activity patterns
- communal rangeland
- livestock
- communal farming
- rangeland condition
- Africa
- Library Collection RecordA national-level land degradation risk monitoring system identified an important grazing area in central northern Namibia as an area at risk of environmental change. A time series analysis of primary…Publication Date 2007
- semi-arid
- local knowledge
- rainfall variability
- water supply
- grazing
- land management
- degradation
- data analysis
- grasslands
- livestock
- rainfall
- participatory rural appraisal
- decision support systems
- management
- traditional knowledge
- Africa
- Library Collection RecordThe objective of this paper is to examine the spatial variability of islands of enhanced hydrologic activity and its application to remediation of degraded arid and semi-arid ecosystems. Factors…Publication Date 2006
- Biotic productivity
- heterogeneity
- rangeland
- remediation
- runoff
- Water ponding dikes
- restoration ecology
- degradation
- vegetation dynamics
- ecosystem ecology
- Africa