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 RecordNo Abstract available.Publication Date 2002
- cattle
- sustainability
- 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 RecordCarrying capacity is typically defined as the maximum population size that can be supported indefinitely by a given environment, but there are at least 10 different specific definitions used in basic…Publication Date 2008
- Density dependence
- Law of the minimum
- Logistic population growth model
- population regulation
- population size
- Sustainable yield
- carrying capacity
- cattle
- ecology
- rangelands
- 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 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 RecordNo abstract availablePublication Date 2006
- ecosystem ecology
- management
- Africa
- Library Collection RecordNo abstract availablePublication Date 2007
- forage quality
- cattle
- 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 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 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 presents an environmental exposure assessment model for estimating chronic intake of vanadium (a transition metal) by cattle farmed extensively in areas contaminated by vanadium pollutants…Publication Date 2006
- Environmental epidemiology
- Vanadium
- pollution
- cattle
- model
- Transition metals and exposure assessment
- modelling
- 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 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 RecordThe multiple benefits from livestock production to rural households are evaluated in Thorndale, a communal area of the Limpopo Province South Africa. Monetary values of livestock products are…Publication Date 2006
- Communal areas
- Direct-use value
- households
- Livelihood
- Non-marketed outputs
- policy
- cattle
- socio-economic aspects
- rural areas
- goats
- household income studies
- 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 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 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 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
- Library Collection RecordAeolian processes are tightly linked to soil and vegetation change in arid and semi-arid systems at multiple spatial and temporal scales. Wind influences patterns of vegetation and soil within the…Publication Date 2006
- Aeolian processes
- desertification
- Dust emission
- Landscape change
- wind erosion
- erosion
- landscape ecology
- soils
- climate
- ecosystem dynamics
- ecosystem ecology
- grasslands
- Africa
- Library Collection RecordIn the Miombo Woodlands Region of south-central Africa, the interaction between fires and elephants is one of the main drivers of vegetation, along with climate, soils and topography. Fire-elephant…Publication Date 2008
- fire
- Elephants
- multivariate statistics
- Miombo woodlands
- conservation
- savanna
- mammals
- Nature reserves
- vegetation dynamics
- ecology
- ecosystem ecology
- Africa
- Library Collection RecordThe most practical and effective method to increase dry matter production in rangelands is by adequate fertilization. N and K fertilizers have commonly been used worldwide to increase yield in…Publication Date 2008
- forage quality
- botanical composition
- mineral concentration
- harvest date
- cattle
- Africa
- Library Collection RecordMany mechanisms have been suggested to explain the coexistence of woody species and grasses in savannas, yet, evidence from field studies and simulation models has been mixed. Shrub encroachment is…Publication Date 2007
- Patch-dynamics
- Cyclical succession
- shrub encroachment
- Spatially explicit root growth
- Computer simulation model
- Validation
- Latin Hypercube sensitivity analysis
- Acacia mellifera
- savanna
- indigenous encroaching species
- vegetation dynamics
- ecosystem ecology
- modelling
- rainfall
- fire
- soil moisture
- Africa
- Library Collection RecordIn arid and semi-arid savannas, species diversity is strongly influenced by structural diversity, which in these systems is characteristically formed by woody vegetation. Shrub encroachment,…Publication Date 2007
- Yellow mongoose
- rangelands
- Individual-based model
- shrub encroachment
- Spatial explicit
- structural diversity
- ecosystem ecology
- savanna
- biodiversity
- mammals
- indigenous encroaching species
- modelling
- Africa
- Library Collection RecordIn semiarid savannas of Southern Africa current land use practices and climate change may lead to substantial changes of vegetation structure in the near future, however uncertainty remains about the…Publication Date 2006
- Acacia erioloba
- Bush encroachment
- global change
- Grewia flava
- overgrazing
- seed dispersal
- shrub encroachment
- Southern Kalahari
- Spatial-explicit simulation model
- savanna
- land use
- grazing
- climate change
- vegetation dynamics
- cattle
- ecosystem ecology
- ecosystem dynamics
- rainfall
- fire ecology
- modelling
- conservation
- management
- carrying capacity
- biodiversity
- indigenous encroaching species
- Africa
- Library Collection RecordThis paper revisits the debate over the relative effectiveness of 'conservative' and 'opportunistic' stocking strategies for African pastoral rangelands. The paper is based on a…Publication Date 2006
- rangelands
- cattle
- Pastoral strategy
- stocking rate
- Capital costs
- southern Africa
- Zimbabwe
- pastoralism
- stocking rates
- socio-economic aspects
- communal farming
- management
- Africa
- Library Collection RecordConserving African wildlife in human-occupied landscapes requires management intervention that is guided by a mechanistic understanding of how anthropogenic factors influence large-scale ecological…Publication Date 2007
- wildlife
- rainfall
- predation
- competition
- apparent competition
- Non-protected area
- management
- conservation
- grasslands
- eco - tourism
- cattle
- Africa
- Library Collection RecordIt has been argued that the wide-scale provision of artificial surface water in semi-arid savannas may result in homogenisation of foraging regimes, compromising biodiversity and ecosystem resilience…Publication Date 2007
- Artificial waterholes
- surface water
- Water-dependency
- Grazing heterogeneity
- piosphere
- Kruger National Park
- savanna
- national parks
- conservation
- management
- ecosystem ecology
- landscape ecology
- GIS
- policies
- Africa
- Library Collection RecordLivestock production systems in Africa are experiencing rapid changes in structure and function due to increased demands for livestock products from a more prosperous and ever-increasing human…Publication Date 2008
- Methane
- livestock systems
- Livestock Populations
- climate change
- IPCC
- Africa
- cattle
- sheep
- goats
- greenhouse gases
- Africa
- Library Collection RecordSuccess in long-term agricultural production in resource-poor farming systems relies on the efficiency with which nutrients are conserved and recycled. Each transfer of nutrients across the farming…Publication Date 2006
- cattle
- Compost
- feed intake
- manure
- nitrogen use efficiency
- N losses
- agriculture
- soil nutrients
- management
- communal farming
- livestock
- Africa
- Library Collection RecordLarge herbivores can both positively and negatively affect primary productivity and rates of nutrient cycling in different ecosystems. Positive effects of grazers in grasslands have been attributed…Publication Date 2006
- livestock
- soil fertility
- rainfall
- ecosystem processes
- savanna
- productivity
- soil fertility
- cattle
- migration
- 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 RecordMeeting the challenge of sustainable development requires substantial advances in understanding of the interaction of natural and human systems. The emerging ecosystem management paradigm of multiple…Publication Date 1999
- management
- ecosystem ecology
- modelling
- GIS
- economics
- decision support systems
- Africa
- Library Collection RecordResearch on the effects of ozone on agricultural crops and agro-ecosystems is needed for the development of regional emission reduction strategies, to underpin practical recommendations aiming to…Publication Date 2003
- Tropospheric ozone
- Ozone flux
- Ozone risk assessment
- detoxification
- Antioxidants
- Agricultural crops
- grassland
- climate change
- agriculture
- modelling
- plant production
- ecosystem ecology
- carbon dioxide
- Africa