Rangeland Ecology & Management
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- Library Collection RecordLeaf gas exchange characteristics play a key role in carbon sequestration and water balance from site to regional scales, yet show differences among plant species with alternative adaptations to the…Publication Date 2009
- Arid and semiarid environments
- CO2 assimilation
- Ecophysiological models
- Kalahari
- Leaf gas exchange
- stomatal conductance
- carbon dioxide
- carbon sequestration
- water use efficiency
- climate
- plant autecology
- rainfall
- Botswana
- Africa
- Library Collection RecordPresentation and Discussion Notes from the Third Roundtable: May 28, 2009Publication Date 2009
- Africa
- Senegal
- Library Collection RecordImproved agricultural productivity using conservation farming (CF) systems based on non-inversion tillage methods, have predominantly originated from farming systems in sub-humid to humid regions…Publication Date 2009
- Conservation farming
- Non-inversion tillage
- semi-arid
- Water productivity
- On-farm experiments
- no-till
- management
- agriculture
- plant production
- Africa
- Library Collection RecordThe adoption of conservation agriculture (CA), based on minimal soil movement, permanent soil cover with crop residues or growing plants and crop rotation has advanced rapidly in the Americas and…Publication Date 2009
- conservation agriculture
- infiltration
- water use efficiency
- erosion
- Soil moisture relations
- soil moisture
- Soil Condition
- Zambia
- Zimbabwe
- Africa
- Library Collection RecordWe quantified livestock (cattle, shoats, horses and donkeys) losses to lions (Panthera leo) and attitudes to lions, livestock losses and tourism among livestock owners, village residents and tourism…Publication Date 2009
- communities
- cattle
- Benefit
- predation
- compensation
- eco - tourism
- subsistence agriculture
- pastoralism
- socio-economic aspects
- Botswana
- Africa
- Library Collection RecordThis study looks at the impact of subdivision and sedentarization of pastoral lands on wildlife numbers and production in a savanna ecosystem of southern Kenya. The study uses aerial counts over a…Publication Date 2009
- land fragmentation
- rangelands
- Maasai
- settlement
- conservation
- land reform
- land use
- savanna
- ecosystem dynamics
- ecosystem ecology
- wildlife
- management
- grazing
- grasslands
- socio-economic aspects
- Kenya
- Africa
- Library Collection Record2009, Springer, 233 Spring Street, New York, USA, 418 pages, hardcover, ISBN 978-0-387-87491-3. Price €79.95Publication Date 2009
- Africa
- Library Collection Record2009, Springer, PO Box 17, 3300 AA Dordrecht, The Netherlands, 158 pages, softcover, ISBN 978-90-481-2525-8. Price €69.95Publication Date 2009
- Africa
- Library Collection RecordDescription not available.Publication Date 2009
- Africa
- Library Collection RecordDryland degradation (in other words, desertification) is defined for the purposes of this paper as a persistent decrease in the capacity of an arid or semiarid ecosystem to supply a range of services…Publication Date 2009
- Africa
- Library Collection RecordDespite significant attention paid to desertification and climate change in the last few decades, interactions between the phenomena, as well as implications thereof, have received less of a focus.…Publication Date 2009
- Africa
- Library Collection RecordThe Namibian rangelands consist of a mixture of herbaceous and woody components. The main source of income is from farming systems with grass production the predominant source of forage. For…Publication Date 2009
- Africa
- Library Collection RecordFor many years, rangeland monitoring has mainly been the field of scientists, academics and extension workers trying to fine-tune methods to assess the condition of rangelands. Frameworks and…Publication Date 2009
- Africa
- Library Collection RecordTwo types of desertification professionals are typically characterised?the scientist and the policy-maker. After many years of efforts to combat desertification and promote sustainable land…Publication Date 2009
- Africa
- Library Collection RecordBy its nature, combating desertification is a complex, multidisciplinary activity that requires coordinated responses at a multitude of levels spanning both scientific disciplines and government…Publication Date 2009
- Africa
- Library Collection RecordThis study investigated the impact of rainfall and herbivory by indigenous herbivores over five years (2004?2008) on the vegetation of the Sanbona Wildlife Reserve (SWR), a 54 000 ha privately owned…Publication Date 2009
- Africa
- Library Collection RecordPteronia paniculata is an indigenous, unpalatable shrub that invades mismanaged Karooveld, resulting in degraded rangelands with low species diversity and grazing potential. We conducted a series of…Publication Date 2009
- 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 RecordThis study evaluated the variation of the concentration of mimosine in Leucaena forage with season, the time of defoliation and dehydration. Fresh samples were collected randomly from Leucaena…Publication Date 2009
- Africa
- Library Collection RecordIn this study, we present a stochastic landscape modeling approach that has the power to transfer and integrate existing information on vegetation dynamics and hydrological processes from the small…Publication Date 2009
- modelling
- vegetation dynamics
- landscape ecology
- hydrology
- commercial agriculture
- subsistence agriculture
- grazing
- plant production
- runoff
- drought
- rainfall
- management
- Namibia
- Africa
- Library Collection RecordSummaryOver 1,200 Important Bird Areas (IBAs) have been identified in Africa, each meeting at least one of four objective criteria that identify it as an area of high conservation importance for…Publication Date 2009
- Africa
- Library Collection RecordThe paper presents results on the use of NOAA AVHRR data for desertification monitoring on a regional-global level. It is based on processing of the GIMMS 8 km global NDVI data set. Time series of…Publication Date 2008
- desertification
- land degradation
- NDVI
- remote sensing
- global drylands
- Africa
- Library Collection RecordWithin arid plant communities species vary considerably in the ability to germinate under water stress. Attempts to correlate this variation with environmental gradients have remained largely…Publication Date 2008
- dormancy
- drought tolerance
- facilitation
- Nurse plants
- PEG
- Predictive germination
- Seed mass
- soil moisture
- soil texture
- Southern Kalahari
- savanna
- germination
- seeds
- drought
- Africa
- Library Collection RecordWe evaluate the possible effects of climate change on vegetation in Central and West Africa. We chose two climate scenarios from the IPCC Third Assessment Report, ECHAM3 with scenario B2 and HADCM3…Publication Date 2008
- vegetation model
- climate change
- Central and West Africa
- modelling
- global warming
- Africa
- Library Collection RecordThe main objective of this paper is to provide researchers that investigate fossil phytolith assemblages and model/data comparisons a new tool for estimating C3/C4 grass composition over time. We…Publication Date 2008
- phytolith
- paleovegetation
- C3
- C4
- grass
- woodland
- East Africa
- Africa
- Library Collection RecordFragmentation of the ecosystems of the earth into spatially isolated units has emerged as a primary component of global change. Often, fragmentation results from actions that are intended to enhance…Publication Date 2008
- fragmentation
- rangelands
- adaptation
- public policy
- Economic Aspects
- policies
- management
- land use
- Africa
- Library Collection RecordThe rich biodiversity of southern Africa has to date been relatively unimpacted by the activities of modern society, but to what degree will this situation persist into the 21st century? We use a…Publication Date 2008
- biodiversity
- southern Africa
- climate change
- land use change
- Land cover change
- Habitat loss
- conservation
- Millennium ecosystem assessment
- image
- CBD target
- Africa
- Library Collection RecordHillslopes in central and western parts of KwaZulu-Natal, South Africa are often mantled by colluvial sediments of the Masotcheni Formation. These sediments have accreted in response to several…Publication Date 2008
- Climate control
- Landscape evolution
- optically stimulated luminescence dating
- Stable carbon isotope analysis
- Micromorphology
- Masotcheni Formation
- palaeobotany
- palaeoclimate
- Africa
- Library Collection RecordDifferent types of vegetation found in local environments are of value to rural livelihoods of many African households. However, the dominant way of expressing this value, which is mainly through…Publication Date 2008
- Resource value
- Livelihoods
- Africa
- Economic valuation
- institutions
- traditional knowledge
- socio-economic aspects
- subsistence agriculture
- policies
- Africa
- Library Collection RecordTransfrontier conservation has taken Southern Africa by storm, where the modus operandi remains simple and intuitive: by dissolving boundaries, local benefits grow as conservation and development…Publication Date 2008
- Transfrontier conservation
- Neoliberalism
- Community-based natural resources management
- Livelihoods
- South Africa
- transfrontier parks
- conservation
- socio-economic aspects
- eco-tourism
- decision support systems
- economics
- policies
- land use
- Africa
- Library Collection RecordLittle is known about the soil carbon stocks of Central Africa although such baseline data are needed for research and policy development on soil carbon changes. Estimates are presented based on a 1:…Publication Date 2008
- soil carbon
- Legacy soil data
- Central Africa
- Pedotransfer procedures
- 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 RecordGrassland afforestation with coniferous trees, occurring in many parts of the world, can greatly affect the nature and transformation of soil organic matter and associated nutrients, including…Publication Date 2008
- Grassland afforestation
- Soil phosphorus availability
- Organic phosphorus mineralization
- 31P NMR spectroscopy
- Soil biological fertility
- ecosystem dynamics
- Africa
- Library Collection RecordLand management in tropical woodlands is being used to sequester carbon (C), alleviate poverty and protect biodiversity, among other benefits. Our objective was to determine how slash-and-burn…Publication Date 2008
- savanna
- Tropical deciduous forest
- basal area
- Allometric equations
- Wood density
- soil bulk density
- Soil C stock
- biodiversity
- Shannon index
- Chronosequence
- land use
- carbon dioxide
- carbon sequestration
- socio-economic aspects
- management
- soil organic carbon
- Africa
- Library Collection RecordPrecision agriculture (PA) is an innovative, int+O101egrated and internationally standardized approach aiming to increase the efficiency of resource use and to reduce the uncertainty of decisions…Publication Date 2008
- precision agriculture
- grassland
- Perspectives
- Constraints
- interdisciplinary research
- grasslands
- remote sensing
- plant production
- Economic Aspects
- agriculture
- decision support systems
- management
- 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 RecordThis paper describes a procedure for evaluating the desertification risk in threatened areas. The procedure is based on an eight-equation dynamic model of a generic human-resource system that can be…Publication Date 2008
- Desertification risk
- System Dynamics
- Alternative long-term states
- desertification
- modelling
- management
- grasslands
- sustainability
- land use
- Africa
- Library Collection RecordThis paper reports on the development and testing of a simulation model to assess the impacts of two seed-feeding biological control agents on the dispersal of an invasive perennial tree, Hakea…Publication Date 2008
- Hakea sericea
- South Africa
- biological control
- population dynamics
- seed dispersal
- Weibull distribution
- fire frequency
- seed banks
- Alien invasive species
- fire
- modelling
- Africa
- Library Collection RecordThe self-thinning line is a very robust pattern, which can be obtained in modeling studies by a variety of different mechanistic assumptions. Our opinion is that we can only advance in our…Publication Date 2008
- Size inequality
- Competitive asymmetry
- Zone of influence model
- Arid savanna
- Acacia reficiens
- Namibia
- Parsimony
- Pattern-oriented modeling
- savanna
- vegetation dynamics
- modelling
- Africa
- Library Collection RecordA payments for ecosystem services (PES) system came about in South Africa with the establishment of the government-funded Working for Water (WfW) programme that clears mountain catchments and…Publication Date 2008
- Working for Water
- Payment mechanisms
- ecosystem services
- water supply
- Poverty relief
- Poverty
- Alien invasive species
- fire
- plant production
- biodiversity
- hydrology
- vegetation dynamics
- Economic Aspects
- Africa
- Library Collection RecordPalaeoenvironmental evidence indicative of former climatic conditions in the Eastern and adjoining Western Cape during the last ~ 45 000 yr is presented and summarised. Interstadial conditions began…Publication Date 2008
- Late Quaternary
- Last Glacial Maximum
- Late Glacial
- Holocene
- Palaeoclimatology
- palaeoenvironments
- South Africa
- palaeoclimate
- Africa
- Library Collection RecordThe potential to provide environmental proxies using stable carbon isotopes from modern and archaeological charcoal is explored. Experiments on modern Podocarpus (Yellowwoods) show that ?13C values…Publication Date 2008
- Stable carbon isotopes
- Archaeological charcoal
- Palaeoenvironmental signals
- Middle Stone Age
- palaeobotany
- Africa
- Library Collection RecordClimate matching can assist in exploration for biological control agents to control invasive organisms, especially when the native range of the target organism is broad, and control is required in a…Publication Date 2008
- Agent selection
- biological control
- Chromolaena odorata
- climate matching
- CLIMEX
- FloraMap
- Invasive alien species
- modelling
- Alien invasive species
- management
- decision support systems
- Africa
- Library Collection RecordContinuous human population expansion pressure on conservation ecosystems restricts wildlife areas, and necessitates active management. In areas of changing land-use and increasing human-animal…Publication Date 2008
- Loxodonta africana
- Ranging behaviour
- Reaction time
- Cautious behaviour
- Response indicator
- GIS
- national parks
- management
- land use
- conservation
- Africa
- Library Collection RecordThe purpose of the study was to capture the restoration knowledge of land-users in lowland Namaqualand, South Africa to aid the development of restoration guidelines for this region. We interviewed…Publication Date 2008
- local knowledge
- mining
- Oral histories
- Succulent karoo
- semi-arid
- Wind erosion control
- windbreaks
- Wind-nets
- Africa
- Library Collection RecordThe impact of browsers on the structure of woody vegetation has been well documented in savanna landscapes but the spatial distribution of these impacts is poorly understood. Savannas are…Publication Date 2008
- Boundary
- elephant
- monitoring
- savanna
- scale
- spatial
- ecosystem dynamics
- animal impact
- Africa
- Library Collection RecordThe differences in knowledge of biological resource use between societal and demographic groups are often poorly understood; yet they are an important element of sustainability. Differences in gender…Publication Date 2008
- conservation
- Indigenous knowledge
- Livelihoods
- Non-timber forest products
- Red Data Lists
- savannas
- South Africa
- woody plants
- medicinal plants
- subsistence agriculture
- non-grazing resources
- Africa
- Library Collection RecordSeasonal changes in crude protein, phosphorus and calcium contents of five common plant species in the south-western Kalahari were investigated. Three species that are browsed by springbok (Acacia…Publication Date 2008
- Africa
- Library Collection RecordPhenotypic plasticity is the effect of growth variability in response to different environmental conditions. Adaptive phenotypic plasticity is more specific; it is the ability of a single genotype to…Publication Date 2008
- Africa
- Library Collection RecordDevelopment of extensive livestock production in KwaZulu-Natal is constrained by seasonal variability of rangeland production and low forage nutritional quality. A three-year study was implemented to…Publication Date 2008
- Africa
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