Rangeland Ecology & Management
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- Library Collection RecordPolycultural agroecosystems, such as rangelands, are too complex and poorly understood to permit precise numerical simulation. Management decisions that depend on behavioral predictions of such…Publication Date 1996
- Case-based reasoning (CARMA)
- Model-based reasoning
- prediction
- ecosystem
- Reasoning paradigms
- pest management
- rangelands
- ecosystem ecology
- modelling
- ecosystem dynamics
- management
- decision support systems
- Africa
- Library Collection RecordThe Tool for Exploratory Landscape Scenario Analyses (TELSA) is a spatially explicit model of vegetation succession, natural disturbances, and forest management activities. TELSA is a strategic…Publication Date 2000
- Landscape modeling
- Natural disturbances
- Vegetation succession
- Forest dynamics
- adaptive management
- modelling
- vegetation dynamics
- fire
- management
- grasslands
- Africa
- Library Collection RecordSeveral of the problems associated with grazing animals in extensive settings are related to their uneven patterns of use across the landscape. After fencing, water and salt are two of the most…Publication Date 2001
- Global positioning system
- Activities
- grazing time
- Resting time
- livestock management
- rangelands
- cattle
- grazing
- management
- Africa
- Library Collection RecordThe species composition of grazing lands can be influenced by livestock and grazing pressure. A study on manure seed bank was conducted in Ghinchi highland Research Site in Ethiopia between 1995 and…Publication Date 2000
- manure
- species
- Life-form
- livestock
- seed banks
- biodiversity
- grazing
- species richness
- grasslands
- germination
- soil fertility
- management
- Africa
- Library Collection RecordThis paper reviews the application of the nutrient budget and balance approach from a range of settings and scales in Africa. The paper asks: can such analyses help in the design of effective policy…Publication Date 1998
- soil fertility
- Nutrient budgets
- scale
- sustainability
- policy
- Africa
- policies
- management
- communal farming
- subsistence agriculture
- socio-economic aspects
- Africa
- Library Collection RecordThis paper presents an overview of the current status, problems and prospects for achieving a better nutrient balance to support varying levels of productivity from the three major livestock systems…Publication Date 1998
- livestock systems
- nutrient management
- Nutrient depletion
- Sub-Saharan Africa
- grazing
- monitoring
- management
- forage quality
- Economic Aspects
- land use
- socio-economic aspects
- Africa
- Library Collection RecordA three-year study was done to determine herbaceous biomass production and its utilization by herbivores in an arid zone inhabited by a largely nomadic population in northern Kenya. The indicator…Publication Date 1998
- grasses
- forbs
- Dwarf Shrubs
- Offtake
- herbivores
- desertification
- nomads
- plant production
- rangelands
- pastoralism
- grazing
- degradation
- decision support systems
- management
- foraging ecology
- Africa
- Library Collection RecordEnvironmental weeds are an escalating problem worldwide. Integrated control is unable to keep up with the demands for management strategies for existing and new, potentially invasive plant species.…Publication Date 1998
- Environmental weeds
- management
- Priority areas
- surveys
- integrated control
- rehabilitation
- Weeds
- Alien invasive species
- ecosystem ecology
- conservation
- Africa
- Library Collection RecordLittle is known regarding the effects of land use on soil organic matter status and earthworm communities in South African soils. For that reason the effects of the main agricultural land uses in the…Publication Date 2003
- earthworms
- Soil organic C
- microbial biomass
- pastures
- Arable crops
- forests
- Oxisols
- South Africa
- KwaZulu-Natal
- Soil Condition
- soil fertility
- invertebrates
- agriculture
- management
- land use
- Africa
- Library Collection RecordTransformation of natural vegetation to other land-uses, such as crop cultivation and urban development, presents the most important threat to biodiversity. Plant and animal species distribution data…Publication Date 2003
- Land transformation
- Biodiversity risk
- arable land
- conservation
- species richness
- biodiversity
- land reform
- land use
- policies
- management
- Africa
- Library Collection RecordThere is significant uncertainty about the effects of global change on the vegetation and animal productivity of pasture and rangeland ecosystems. This paper presents a synthesis of progress made…Publication Date 2000
- climate change
- management
- pastures
- rangelands
- Sensitive regions
- synthesis
- animal production
- plant production
- modelling
- carbon dioxide
- socio-economic aspects
- Africa
- Library Collection RecordIndicators of land quality (LQIs) are being developed as a means to better coordinate actions on land related issues, such as land degradation. Economic and social indicators are already in regular…Publication Date 2000
- Land quality
- land use
- land management
- land degradation
- monitoring
- management
- decision support systems
- Africa
- Library Collection RecordAn assessment of changes in soil properties associated with land-use and management practices is vital for the selection and establishment of appropriate sustainable practices under different…Publication Date 2001
- land-use
- continuous cropping
- organic matter
- fallow
- soil properties
- land use
- management
- Abandoned lands
- soils
- soil nutrients
- soil moisture
- soil fertility
- Africa
- Library Collection RecordGlobal debates surrounding the management of natural resources in protected areas advocate greater involvement of local populations in order to maintain sustainable resource use and conserve…Publication Date 2001
- Botswana
- Livelihoods
- natural resources
- protected areas
- sustainability
- management
- national parks
- biodiversity
- socio-economic aspects
- Africa
- Library Collection RecordGrass cover distribution in the northern section of the Namib-Naukluft Park inNamibia was estimated following the rain seasons of 1989, 1990 and 1991. High cover of grass occurred particularly in the…Publication Date 1995
- herbivore distribution
- Namib Desert
- patch dynamics
- primary production
- rangeland management
- Topographic Features
- grasslands
- national parks
- rainfall
- ecology
- management
- Africa
- Library Collection RecordOver the years a number of vegetation management systems has been evaluated and recommended. The Potch system is also a management system which was specifically developed for semi-arid regions where…Publication Date 1995
- grassland management
- ISPD model
- semi-arid
- vegetation condition improvement
- management
- vegetation dynamics
- rehabilitation
- grasslands
- agriculture
- Africa
- Library Collection RecordSavanna landscapes in the dry communal areas of southern Zimbabwe are highlyspatially heterogeneous. This year-long study explores the responses of cattle to variation in the availability of fodder…Publication Date 1995
- foraging behaviour
- cattle movement
- spatial and temporal hererogeneity
- savanna vegetation
- Zimbabwe
- savanna
- foraging ecology
- cattle
- plant production
- forage quality
- management
- grazing
- policies
- Africa
- Library Collection RecordThe Integrated System for Plant Dynamics (ISPD) is a comprehensive system in which new and existing data and knowledge are quantitatively or qualitatively used as a basis for range condition and…Publication Date 1995
- Integrated System for Plant Dynamics
- range condition
- grazing capacity
- southern Africa
- Eastern Mixed Bushveld
- grazing
- modelling
- savanna
- rangeland condition
- management
- degradation
- Africa
- Library Collection RecordThe concept of desertification has recently been re-evaluated with two major outcomes. Firstly, the term itself has been reviewed, with most authors concluding that the emotive implications of [`]…Publication Date 1995
- dryland degradation
- stocking rates
- grazing
- land use
- Vegetation Change
- conceptual model
- management
- ecosytem ecology
- vegetation dynamics
- Africa
- Library Collection RecordDuring the dormant winter period the semi-arid rangeland areas of South Africa are characterized by unplanned fires, either by lightning or negligence by man. The quantification of the impact of…Publication Date 2004
- Above-ground phytomass production
- basal cover
- Crude Protein Content
- Grass sward recovery
- Head fire
- litter
- rain-use efficiency
- root mass
- fire ecology
- rangelands
- plant production
- vegetation dynamics
- ecosystem ecology
- management
- Africa
- Library Collection RecordSpectral matching and linear mixture modeling techniques have been applied to synthetic imagery and AVIRIS SWIR imagery of a semiarid rangeland in order to determine their effectiveness as mapping…Publication Date 1999
- modelling
- remote sensing
- satellite imagery
- management
- Africa
- Library Collection RecordTransitions from grassland to shrubland through woody plant encroachment result in potentially significant shifts in savanna ecosystem function. Given high resolution imagery, a textural index could…Publication Date 1998
- grasslands
- ecosystem dynamics
- indigenous encroaching species
- management
- mapping
- remote sensing
- Landsat images
- Africa
- Library Collection RecordThis paper examines the melding of two discourses in southeastern Zimbabwe: land reform and wildlife management. The former seeks to redistribute large, [`]under-utilized' landholdings to…Publication Date 2004
- Zimbabwe
- wildlife management
- land reform
- Campfire
- political ecology
- Lowveld
- Community based natural resource management
- management
- conservation
- land use
- socio-economic aspects
- politics
- wildlife
- Africa
- Library Collection RecordThe amount and quality of inputs into soil organic matter will be altered by both climate and landuse change. The increase in growth of plants caused by increasing CO2 concentration implies not only…Publication Date 1997
- elevated carbon dioxide
- Decomposition
- organic residues
- secondary chemicals
- soil organic carbon
- climate change
- land use
- plant autecology
- carbon dioxide
- modelling
- ecosystem dynamics
- ecosystem ecology
- plant production
- management
- Africa
- Library Collection RecordAlteration of land use will continue to be the dominant driver of environmental change in the tropics for the next several decades. It can take the form of fundamental vegetation cover transformation…Publication Date 1997
- global change
- tropical ecosystems
- Land cover
- climate
- atmosphere
- land use
- landscape ecology
- management
- climate change
- ecosystem ecology
- Africa
- Library Collection RecordAlthough soil erosion is a serious environmental problem in many African countries, its assessment using traditional techniques is hampered by a range of problems. Reliable information on soil…Publication Date 2001
- soil erosion
- Sediment delivery
- 137Cs measurements
- Sediment control strategies
- Zambia
- soils
- rangeland condition
- management
- Africa
- Library Collection RecordUsing normalized difference vegetation index (NDVI) imagery, we examined changes in vegetative cover across Tanzania and found that overall greenness increased over 13 years from 1982 to 1994. We…Publication Date 2000
- Habitat change
- NDVI
- protected areas
- Tanzania
- Vegetative greenness
- NDVI values
- mapping
- satellite imagery
- remote sensing
- vegetation dynamics
- management
- land use
- degradation
- Africa
- Library Collection RecordIn the savanna biome of southern Africa, introduced mesquite species have transformed at least 200,000 ha in the northern Cape Province of South Africa and could have a significant effect on insect…Publication Date 1996
- mesquite
- invasive plant
- Bush encroachment
- Scarabaeidae
- rare species
- savanna
- Alien invasive species
- insects
- management
- ecosystem ecology
- Africa
- Library Collection RecordWe produced a conservation plan that achieved conservation targets for biodiversity pattern and process in the species- and endemic-rich Cape Floristic Region of South Africa. Features given…Publication Date 2003
- biodiversity
- conservation
- ecology
- restoration
- conservation
- management
- Africa
- Library Collection RecordThis paper provides an introduction and overview for the special issue on systematic conservation planning in the species-rich and highly vulnerable Cape Floristic Region. Firstly, we outline the…Publication Date 2003
- conservation
- planning
- management
- biodiversity
- land-use
- socio-economic aspects
- Africa
- Library Collection RecordThis study investigates the practical and financial implications of alternative strategies for meeting explicit conservation goals on the Agulhas Plain, South Africa. This is an area of exceptional…Publication Date 2003
- conservation planning
- off-reserve conservation
- Protected area network
- incentives
- Economic Aspects
- conservation
- biodiversity
- Alien invasive species
- agriculture
- land use
- management
- legislation
- Africa
- Library Collection RecordExpert-based and systematic, algorithm-based approaches to identifying priority areas for conservation are sometimes posited as alternatives. While both approaches have pros and cons, the systematic…Publication Date 2003
- conservation
- modelling
- biodiversity
- management
- Africa
- Library Collection RecordThe formulation of a strategic plan for the conservation of terrestrial biodiversity in the Cape Floristic Region (CFR; 87,892 km2) requires an objective and spatially explicit assessment of the…Publication Date 2003
- Biodiversity hotspots
- conservation planning
- Conservation area network: Ecological and evolutionary processes
- persistence
- Representation
- Gap analysis
- conservation
- GIS
- remote sensing
- biodiversity
- species richness
- management
- Africa
- Library Collection RecordThe estimated number of tsessebes on a cattle and wildlife ranch in Zimbabwe decreased during 1995-1999 from 2209 to 435 animals. Existing records of rainfall, cattle management, wildlife numbers,…Publication Date 2003
- Tsessebe antelope
- population decline
- Damaliscus lunatus
- competition
- drought
- cattle
- vegetation dynamics
- forage quality
- Forage Quantity
- management
- Africa
- Library Collection RecordThe Kinangop highland grasslands, the world stronghold of the endangered Sharpe's longclaw (Macronyx sharpei), consist almost entirely of privately owned land. As human population in the…Publication Date 2002
- fragmentation
- human population
- Land subdivision
- Privately owned land
- land use
- management
- species richness
- grasslands
- birds
- Africa
- Library Collection RecordArid rangelands host a variety of drought-tolerant wildlife species, many of them requiring conservation efforts for the survival of their populations. The development of drinking water sources for…Publication Date 2001
- livestock
- wildlife
- association
- Water points
- environmental impact
- spatial analysis
- Kenya
- biodiversity
- land-use
- management
- population ecology
- system ecology
- Africa
- Library Collection RecordPatterns of higher plant species richness and beta diversity were assessed using standard Modified-Whittaker plots in relation to landuse, slope position and mean annual rainfall across a rainfall…Publication Date 2000
- species richness
- biodiversity
- land use
- rainfall
- savanna
- communal farming
- conservation
- management
- 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 RecordSummary There is increasing interest in community-based approaches to the management of natural resources in Africa. Pastoral areas present particular challenges and opportunities to community-based…Publication Date 2005
- community management
- resource management
- conflict management
- Africa
- pastoralism
- management
- traditional knowledge
- non-grazing resources
- Africa
- Library Collection RecordGlobal environmental change problems due to their unstructured characteristics, being marked by great uncertainties and a big number of stakeholders, prove to be too difficult to solve in a…Publication Date 2005
- stakeholder participation
- learning
- Systems change
- Global environmental change
- Transition management
- management
- stakeholders
- climate change
- socio-economic aspects
- Africa
- 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 RecordA thorough understanding of the role of microbes in C cycling in relation to fire is important for estimation of C emissions and for development of guidelines for sustainable management of dry…Publication Date 2004
- C isotopes
- C sequestration
- CO2 flux
- Dry and rainy season
- fire effects
- Microbial biomass C
- savanna
- Substrate-induced respiration
- carbon dioxide
- carbon dynamics
- fire
- management
- soils
- grasslands
- ecosystem ecology
- Africa
- Library Collection RecordAbstract The knowledge of relative performance of plants across environmental gradients is critical for their effective management and for understanding future range expansion. Pennisetum setaceum is…Publication Date 2014
- Alien grass
- Ecological invasions
- competition
- disturbance
- Seedling translocation
- Transplant experiment
- Alien invasive species
- management
- grasslands
- savanna
- ecosystem ecology
- restoration ecology
- South Africa
- Library Collection RecordLantana camara L. (sensu lato) has a wide range of impacts throughout its global invasive range. Here we review the mechanisms driving its invasion dynamics in South Africa at national (biome,…Publication Date 2012
- biological invasions
- Geographic Distribution
- management
- Kruger National Park
- South Africa
- Library Collection RecordHerbivores can act as dispersal vectors by purposely or accidentally ingesting ripe fruits, and thus endozoochory is one determining factor for plant distribution patterns. The objective of our study…Publication Date 2010
- Aizoaceae
- germination
- Namaqualand
- Nature conservation management
- rangelands
- Succulent karoo
- management
- conservation
- ecology
- Succulent karoo
- 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 RecordSavanna covers about two-thirds of Africa, with forage quantity and quality being important factors determining the distribution and density of wildlife and domestic stock. Testing hypotheses about…Publication Date 2010
- forage
- quality
- remote sensing
- hyperspectral
- herbivory
- Foliar
- nitrogen
- protein
- Polyphenol
- mopane
- savanna
- forage quality
- Forage Quantity
- livestock
- mapping
- management
- land use
- Africa
- Library Collection RecordThe remote sensing of pasture quality as determined by nitrogen, phosphorous, potassium, calcium and magnesium concentration is critical for a better understanding of wildlife and livestock feeding…Publication Date 2004
- Field spectra
- Absorption features
- bootstrapping
- Continuum removal
- Savanna rangelands
- remote sensing
- forage quality
- management
- savanna
- rangeland condition
- Africa
- Library Collection RecordThe lack of information on the vegetation status before the use of fire as a management tool in protected areas leads to drastic destruction of the natural vegetation and biodiversity. This paper…Publication Date 2004
- fire risk
- savanna
- LANDSAT-ETM
- Tasseled Cap
- simulation
- national park
- Senegal
- fire
- hazard assessment
- management
- national parks
- modelling
- remote sensing
- Africa
- Library Collection RecordMalagarasi River catchment represents one of the largest and most significant transboundary natural ecosystems in Africa. The catchment constitutes about one third of the catchment area of Lake…Publication Date 2010
- Land use land cover changes
- Malagarasi river catchment
- Muyovozi wetland
- perceptions
- remote sensing
- land use
- fire
- grazing
- management
- socio-economic aspects
- rehabilitation
- Africa
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