Rangeland Ecology & Management
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- Library Collection RecordBackground: Biodiversity offsets are conservation projects used mainly by business to counterbalance the environmental impacts of their operations, with the aim of achieving a net neutral or even…Publication Date 2007
- conservation
- biodiversity
- Economic Aspects
- environmental impact
- Africa
- Library Collection RecordSystematic conservation planning is widely considered the most effective approach for designing protected area and other ecological networks. However, many conservation practitioners still ignore…Publication Date 2006
- conservation
- management
- biodiversity
- Economic Aspects
- Africa
- Library Collection RecordWorking for Water forms part of the Expanded Public Works Programme of the South African Government, aimed at the sustainable management of natural resources through the control and management of…Publication Date 2008
- Clearing unit reference values
- costs
- invasive alien plants
- net present value
- Person days
- riparian
- WIMS
- Workload
- Alien invasive species
- Economic Aspects
- management
- socio-economic aspects
- Africa
- Library Collection RecordThe Millennium Development Goals' target to halve the proportion of people who suffer from hunger is extremely important in southern Africa, where food security has become increasingly…Publication Date 2006
- food security
- Millennium development goals
- soil fertility
- Soil-water conservation
- conservation
- Soil Condition
- Economic Aspects
- management
- irrigation
- socio-economic aspects
- rangeland condition
- Africa
- Library Collection RecordSummary In this paper, we present a method to estimate the additional costs made by nature reserve managers to mitigate the effects of atmospheric deposition. Theoretically, these extra costs may be…Publication Date 2007
- Nature target types
- Management costs
- Deposition scenarios
- grasslands
- Reed and rough land
- Heathland
- forests
- Moorland pools
- conservation
- vegetation dynamics
- Economic Aspects
- greenhouse gases
- 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 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 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 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 RecordCrop and rangelands are over 25% of the Earth's land area, and they are expanding. Agricultural ecosystems rely on a suite of supporting ecosystem services to provide food, fiber and fuel as…Publication Date 2007
- ecosystem services
- agriculture
- Nonmarket valuation
- research needs
- soil fertility
- policies
- Economic Aspects
- Africa
- Library Collection RecordThe worldwide loss of utilisable rangeland in (semi-) arid areas results in huge economic and social costs. Only adaptive management strategies are able to cope with these systems, which are mainly…Publication Date 2007
- Non-equilibrium system
- grazing
- Opportunistic management
- Resting
- semi-arid
- simulation model
- rangeland condition
- rangelands
- modelling
- Economic Aspects
- management
- rainfall
- Africa
- Library Collection RecordThe Clean Development Mechanism (CDM) of the Kyoto Protocol of the United Nations Framework Convention on Climate Change allows a country that emits C above agreed-upon limits to purchase C offsets…Publication Date 2007
- soil carbon
- carbon sequestration
- Carbon markets
- carbon credits
- poverty reduction
- drylands
- West Africa
- climate change
- greenhouse gases
- agriculture
- Economic Aspects
- socio-economic aspects
- Africa
- Library Collection RecordIn the biodiversity rich regions of western South Africa transhumance grazing strategies were practised for thousands of years. Today only vestiges of these systems remain with private ownership…Publication Date 2007
- Ecosystem goods and services
- livestock management
- productivity
- phenology
- landscape heterogeneity
- livestock
- management
- ecosystem dynamics
- Economic Aspects
- ecosystem services
- grazing
- household income studies
- Africa
- Library Collection RecordBiomass is considered a potential feedstock for many renewable energy production systems and interest especially in grass production has increased markedly in the last two decades. The present work…Publication Date 2012
- biomass
- grass
- harvesting
- yield
- Rate
- storage
- quality
- plant production
- Economic Aspects
- Africa
- Library Collection RecordThe agricultural component of the Millennium Challenge Account (MCA) programme in Ghana, consistent with the country's Food and Agriculture Sector Development Policy (FASDEP) promotes the…Publication Date 2012
- Tobit regression
- commercialization
- agriculture
- smallholder farmers
- subsistence agriculture
- Economic Aspects
- policies
- North Africa
- Ghana
- Library Collection RecordPsidium guajava (guava) is recognised as the third most important invasive alien plant species in the moist savanna biome of South Africa, Lesotho and Swaziland. The cost of initial clearing of alien…Publication Date 2011
- Alien plant control
- herbicides
- picloram
- fluroxypyr
- bromacil
- tebuthiuron
- imzapyr
- guava
- economics
- invasive plants
- Alien invasive species
- Economic Aspects
- herbicides
- Swaziland
- Africa
- Library Collection RecordAbstract Aim Wildlife and pastoral peoples have lived side-by-side in the Mara ecosystem of south-western Kenya for at least 2000 years. Recent changes in human population and landuse are…Publication Date 2004
- Kenya
- Maasai Mara
- pastoralism
- rangelands
- bomas
- livestock
- wildlife
- land use
- conservation
- national parks
- tourism
- Economic Aspects
- Africa
- Library Collection RecordSummary The Nyl River floodplain is one of southern Africa's conservation, eco-tourism and agricultural assets. Its location in a water-stressed region means that the biota of the Nyl River…Publication Date 1996
- floodplain ecosystem
- landscape ecology
- water resource
- conservation
- eco - tourism
- agriculture
- Economic Aspects
- Africa
- Library Collection RecordForage legumes are vitally important to animal production in the dryland farming systems of the Mediterranean region. Of the diverse forage-legume species adapted to the Mediterranean climate,…Publication Date 2014
- forage production
- forage quality
- animal production
- soils
- dryland forage legumes
- Economic Aspects
- rainfed cropping
- vetches
- chicklings
- Medicago
- soil quality
- Mediterranean agriculture
- West Asia
- North Africa
- Library Collection RecordSummary * 1The success of large-scale cattle ranching in African savanna vegetation has often been limited by problems of bush encroachment and disease (in particular trypanosomiasis spread by tsetse…Publication Date 2003
- Bush encroachment
- East Africa
- grazing patterns
- Landsat TM
- remote sensing
- Vegetation classification
- indigenous encroaching species
- shrub encroachment
- cattle
- savanna
- commercial agriculture
- vegetation dynamics
- grazing
- mapping
- Landsat images
- Economic Aspects
- Africa
- Library Collection RecordA number of methodological approaches to understanding and quantifying the potential impacts of changes in macroeconomic and sectoral policies on the natural resource environment have been developed…Publication Date 2000
- Farming practices
- Economic policy
- Environmental indicators
- South Africa
- policies
- Economic Aspects
- decision support systems
- agriculture
- Africa
- Library Collection RecordInvasive alien plants are consumptive water-users, and may have reduced river flows in South Africa by about 6.7% according to a broad-scale study. An effective programme to bring the invasions under…Publication Date 2002
- Invasions
- Resource Economics
- forestry
- Commercial plantations
- Catchment management
- Alien invasive species
- Economic Aspects
- management
- Africa
- Library Collection RecordWays of [`]tracking' environmental fluctuations could be of value in limiting drought-induced mortality and increasing output. We examined a range of tracking policies, designed to tackle…Publication Date 1998
- management
- drought
- rainfall
- animal production
- Economic Aspects
- stocking rates
- subsistence agriculture
- pastoralism
- Africa
- Library Collection RecordIt is claimed that high returns can be achieved from hunting and ecotourism operations. As a result wildlife production is a rapidly growing form of land-use in South Africa. Lately, rural African…Publication Date 2002
- Economies of scale
- Wildlife production
- livestock production
- Savannah land-use
- land use
- game farming
- commercial agriculture
- livestock
- Economic Aspects
- eco - tourism
- subsistence agriculture
- Africa
- Library Collection RecordThis paper describes a general economic analysis package, BURNECON, for evaluating the benefits and costs of using management burns to improve grazing potential in the semi-arid woodlands of eastern…Publication Date 1991
- management burns
- prescribed fire
- land management
- microcomputer
- decision support systems
- BURNECON
- Australia
- fire ecology
- management
- grazing
- indigenous encroaching species
- 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 RecordThe scale "jump" in hydrology and agriculture from the small scale at which individual processes such as infiltration, soil water redistribution, evapotranspiration, soil loss or crop…Publication Date 2000
- scale
- scaling
- hydrology
- agriculture
- soil moisture
- climate change
- Economic Aspects
- Africa
- Library Collection RecordOver 120,000 non-native species of plants, animals and microbes have invaded the United States, United Kingdom, Australia, South Africa, India, and Brazil, and many have caused major economic losses…Publication Date 2001
- plants
- animals
- Alien
- economic
- ecology
- environment
- agriculture
- Non-indigenous
- Alien invasive species
- Economic Aspects
- Africa
- Library Collection RecordThe diminishing wilderness areas remaining in southern Africa offer opportunities to establish and market ecotourism destinations. It would thus be useful to gain insight into what conditions make…Publication Date 2001
- eco-tourism
- economic viability
- local communities
- environmental impacts
- Ongoye Forest
- South Africa
- Economic Aspects
- modelling
- Africa
- Library Collection RecordBare patches are found throughout the Nama Karoo. The development of bare patches is a degradation process that can be attributed to poor grazing practices such as overgrazing and patch selection,…Publication Date 2004
- Bare patch
- restoration
- cultivation
- introduced species
- restoration ecology
- degradation
- drought
- rainfall
- seeds
- Economic Aspects
- Africa
- Library Collection RecordThe pressing need to increase food production in the tropics to feed the burgeoning population of the Third World requires that crop yields ha-1 must be increased without prejudicing the resource…Publication Date 1997
- sustainability
- soil nutirents
- plant production
- subsistence agriculture
- 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 RecordThe impact of Community-Based Natural Resource Management (CBNRM) is seen by many as a 'win-win' situation with reference to natural resources conservation and the improvement of local…Publication Date 2010
- Community-based tourism
- community-based natural resource management
- Community participation
- Khama Rhino Sanctuary Trust
- eco - tourism
- Economic Aspects
- socio-economic aspects
- conservation
- Botswana
- Africa
- Library Collection RecordAbstract not available.Publication Date 2005
- land use
- mine rehabilitation
- carbon sequestration
- Economic Aspects
- rehabilitation
- Surface mine reclamation
- Land-use conversion
- reforestation
- Forest-based carbon markets
- Africa
- Library Collection RecordThe forest and savanna are already denuded of trees, hence this study focused on grasses, weeds and leaves as a possible source of sustainable, highly renewable replacement for wood as an energy…Publication Date 2009
- forest
- trees
- grasses
- Renewable
- wood
- availability
- sustainability
- grasslands
- Economic Aspects
- Nigeria
- Africa
- Library Collection RecordThe semi-arid savannah environment (SASE) of sub-Saharan Africa are characterized by low erratic rainfall which result to high risk of droughts, intra-seasonal dry spells and frequent food insecurity…Publication Date 2003
- Rainwater harvesting
- River basin
- Fanya juu
- Fanya chini
- food production
- water scarcity
- rainfall
- land use
- subsistence agriculture
- Economic Aspects
- drought
- conservation
- hydrology
- management
- Africa
- Library Collection RecordThe dominant narrative of soil degradation in sub-Saharan Africa, as expressed in global surveys and policy documents, is compared with long-term data on the productive performance of smallholder…Publication Date 2005
- Africa
- soil fertility
- productivity
- nutrient management
- Small Farmers
- degradation
- Long-term change
- subsistence agriculture
- policies
- Economic Aspects
- rural areas
- Africa
- Library Collection RecordDevil's claw is the common name for two species in the genus Harpagophytum. Their root extracts contain the iridoid glycoside, harpagoside, which has been found to be effective in the treatment…Publication Date 2005
- Devil's claw
- Grapple plant
- Harpagophytum procumbens
- Harpagophytum zeyheri
- Harpgophtyti radix
- Sustainable harvest
- medicinal plants
- sustainability
- Economic Aspects
- Africa
- Library Collection RecordExisting projections of the optimal share of carbon sequestration in an overall portfolio of greenhouse-gas mitigation strategies almost all assume the carbon price to be constant over time. This…Publication Date 2005
- climate change
- carbon sequestration
- forestry
- Carbon price
- Integrated assessment models
- greenhouse gases
- Economic Aspects
- modelling
- Africa
- Library Collection RecordMonitoring cattle inflows and outflows over time is a good indicator of herd productivity. In this study, ninety households were monitored for a year to determine the effect of season, rangeland type…Publication Date 2009
- Cattle sales
- Herd dynamics
- Household consumption
- mortality
- cattle
- Economic Aspects
- rangelands
- animal production
- South Africa
- Library Collection RecordLivestock are a global resource of significant benefits to society in the form of food, income, nutrients, employment, insurance, traction, clothing and others. In the process of providing these…Publication Date 2009
- agriculture
- livestock
- greenhouse gases
- Economic Aspects
- Africa
- Library Collection RecordMuch effort in systematic conservation planning has gone into devising measures and algorithms which are efficient at capturing the biological importance of different candidate areas. While cost is…Publication Date 2004
- Priority setting
- Reserve design
- costs
- Complementarity
- optimisation
- Area selection
- ecoregions
- Vertebrates
- Economic Aspects
- conservation
- management
- Africa
- Library Collection RecordDespite the importance of livestock to poor people and the magnitude of the changes that are likely to befall livestock systems, the intersection of climate change and livestock in developing…Publication Date 2009
- development
- research
- Poverty
- impact
- livestock
- systems
- climate change
- household income studies
- pastoralism
- Economic Aspects
- Africa
- Library Collection RecordIn African semi-arid savannas livestock production frequently dominates human activity, but it has been claimed that wildlife ranching can be more profitable than extensive beef production.…Publication Date 1994
- livestock production
- overstocking
- stocking rates
- Economic Aspects
- livestock
- rangelands
- cattle
- animal production
- wildlife
- Africa
- Library Collection RecordThe design of improved technology or production policies depends upon evaluation of alternative options in terms of their efficiency. Measurement of the efficiency of a pastoral livestock system may…Publication Date 1986
- policies
- pastoralism
- carrying capacity
- livestock
- rangeland condition
- Economic Aspects
- management
- Africa
- Library Collection RecordA mathematical model is presented of the regional cattle herd within a subsistence pastoral system, in a semi-arid region, where empirical data on herd production are restricted to a few basic…Publication Date 1985
- modelling
- Economic Aspects
- cattle
- subsistence agriculture
- pastoralism
- stocking rates
- Africa
- Library Collection RecordRainfall variability and stocking rate in extensive ranching regions in the Northwestern Transvaal, South Africa, can have substantial influence on feed availability per animal and thus on beef…Publication Date 1979
- rainfall
- stocking rates
- rangelands
- animal nutrition
- animal production
- modelling
- Economic Aspects
- Africa
- Library Collection RecordIt is as important to measure the degree of risk involved as it is to measure the probable return from an investment project. The expected returns from such a project are usually calculated from a…Publication Date 1977
- rangeland condition
- agriculture
- Economic Aspects
- livestock
- Africa
- Library Collection RecordEvidence from Asia suggests that agricultural growth, through a network of consumption and production linkages, can generate sizable income and employment multipliers in the rural nonfarm economy. In…Publication Date 1989
- agriculture
- socio-economic aspects
- rural areas
- Economic Aspects
- policies
- Africa
- Library Collection RecordThis paper presents a structured research design to achieve an economically viable and ecologically sustainable land use. It includes the major elements required to achieve a predictive capability at…Publication Date 1996
- adaptive management
- Ecological economics
- landscape ecology
- rangelands
- Sustainable utilisation
- Economic Aspects
- Systems research
- Sustainable development
- management
- Africa