Rangeland Ecology & Management
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- Library Collection RecordDescription not available.Publication Date 2012
- Africa
- Library Collection RecordAn important consideration in designing and managing forage systems is the knowledge of the physiological response mechanisms to cutting, especially when water deficit conditions are prevailing. The…Publication Date 2012
- Africa
- Library Collection RecordUganda is vulnerable to climate change as most of its agriculture is rain-fed, agriculture is also the backbone of the economy, and the livelihoods of many people depend upon it. Variability in…Publication Date 2012
- climate risks
- crop production
- seasonal characteristics
- agrometeorological
- Uganda
- Africa
- Library Collection RecordThis article evaluated the plausible causes of floods and droughts, the relative roles of large-scale climate variability in regional environmental trends, and the prospects for the future of the…Publication Date 2012
- climate variability
- Trend Analysis
- Empirical SPI
- BEST Index
- PDO Index
- Africa
- Library Collection RecordThe thesis seeks to understand how emerging communities borne out of the Fast Track Land Reform Programme in Zimbabwe have been able to ensure social cohesion and social service provision using farm…Publication Date 2012
- agriculture
- Emerging communities
- Challenges
- Fast Track Land Reform Programme
- Economic crisis
- social networks
- Farm committees
- Irrigation committees
- Health committees
- Mazowe district
- socio-economic aspects
- subsistence agriculture
- rural areas
- politics
- management
- Zimbabwe
- Africa
- Library Collection RecordTef [Eragrostis tef (Zucc.)Trotter] is an ancient and major cereal crop in Ethiopia. Increasing tef yield partly requires developing cultivars that are tolerant to low moisture supply. An experiment…Publication Date 2012
- tef
- Eragrostis tef
- grain yield
- drought tolerance indices
- Ethiopia
- Africa
- Library Collection RecordThe effects of cutting frequency and levels of nitrogen application on quality of crop fractions of a degradedPanicum maximum pasture was investigated in 2001 at Nsukka, Nigeria. Cutting intervals…Publication Date 2012
- Mineral Composition
- cutting frequency
- Crude fibre
- ash content
- Â Panicum maximum
- pasture
- Nitrogen Fertilizer
- Nsukka
- Nigeria
- Africa
- Library Collection RecordThe arid and semi arid areas comprise a large percentage of the land area in Africa. Communities in these areas have over the years depended on livestock production for livelihood. Livestock has…Publication Date 2012
- Pastoralists
- transition
- vegetable farming
- Fertility Management
- drylands
- Kenya
- 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 RecordIn most of African countries whose economy is heavily depending on rainfed agriculture, accurate estimation of the spatial and temporal distribution of rainfall and observing its trends are crucial…Publication Date 2012
- belg
- spatial and temporal variability
- rainfall trend
- Africa
- Ethiopia
- Library Collection RecordThe study focused on investigating the effects of different grazing ratios and stocking rate of cattle and goats under mixed species grazing on different species of plant. The experimental site was…Publication Date 2012
- Mixed-species grazing
- stocking rate
- grazing ratio
- cattle
- goats
- biomass
- Zimbabwe
- Africa
- Library Collection RecordBush encroachment is an environmental problem in savanna ecosystems, but it is not yet clear whether it is more prevalent in communal or ranching grazing lands. This study investigates bush…Publication Date 2012
- communal grazing
- diversity
- ranching
- rangeland degradation
- soil clay
- savanna ecosystems
- Botswana
- Africa
- Library Collection RecordThe main long standing objectives of the land reform programme have being to address the imbalances in land access. At the same time, extending and improving the base for productive agriculture in…Publication Date 2012
- Poverty
- employment
- developing countries
- inequalities
- Expertise
- productivity
- Africa
- Library Collection RecordDespite chronic underfunding for conservation and the recognition that funds must be invested wisely, few studies have analysed the direct costs of managing protected areas at the spatial scales…Publication Date 2012
- protected areas
- Management costs
- population pressure
- conservation planning
- Tanzania
- Africa
- Library Collection RecordThe growth of human populations around protected areas accelerates land conversion and isolation, negatively impacting biodiversity and ecosystem function, and can be exacerbated by immigration. It…Publication Date 2012
- Land-cover change
- protected areas
- immigration
- Landsat
- isolation
- Serengeti
- Africa
- Library Collection RecordWhilst there are a number of mapping methods available for determining important areas for conservation within protected areas, there are few tools available for assessing the ecological value of…Publication Date 2012
- Biodiversity valuation
- connectivity
- Ecological footprint
- fragmentation
- threatened species
- resilience
- Algeria
- Africa
- Library Collection RecordClimate change impacts on agriculture could arguably be most critical for developing countries in tropical regions: their populations rely importantly on agriculture and climate-dependant resources,…Publication Date 2012
- climate change
- agriculture
- impacts
- tropics
- C4 crops
- plant production
- precipitation
- modelling
- subsistence agriculture
- food security
- Africa
- Library Collection RecordPublication Date 2012
- Nature conservation
- Development policies
- endangered species
- Environmental impact assessment
- Africa
- trade
- land management
- savannas
- wildlife management
- hunting
- Library Collection RecordExecutive Summary: The training workshop for media practitioners on Climate Change Fact, Communication and Adaptation Strategies was organised by Global Unification, The Gambia (GU), a youth-led…Publication Date 2012
- climate change
- socio-economic aspects
- policies
- community based resource management
- The Gambia
- Africa
- Library Collection RecordOver the past half-century, agricultural production gains have provided a platform for rural and urban economic growth worldwide. In African countries, however, agriculture has been widely assumed to…Publication Date 2011
- farming
- scaling-up
- Social capital
- sustainable intensification
- Sustainable development
- soil conservation
- soils
- sustainability
- conservation
- agriculture
- policies
- management
- Africa
- Library Collection RecordInvasive species in Africa have important impacts on food security and biodiversity conservation. African floodplains in arid areas are critical wildlife habitats in addition to crop production and…Publication Date 2011
- dispersers
- habitat
- shifting cultivation
- wildlife
- Alien invasive species
- seeds
- seedlings
- livestock
- game
- conservation
- old lands
- ecosystem ecology
- Tana River
- Kenya
- Africa
- Library Collection RecordLablab purpureus is a multipurpose legume with potential as a vegetable, pulse or forage crop for smallholder farming systems of southern Africa. Its use in the region is limited because the long-…Publication Date 2011
- lablab
- Limpopo Province
- multipurpose crop
- short duration
- forage quality
- Forage Quantity
- livestock
- agriculture
- subsistence agriculture
- seeds
- Africa
- Library Collection RecordAbstract not available.Publication Date 2011
- Africa
- Library Collection RecordSoil organic carbon (SOC) is the main attribute of high-quality soil. The amount of nitrogen fixed by Rhizobium symbiotically with Trifolium repens (white clover) is ultimately determined by the…Publication Date 2011
- Africa
- Library Collection RecordEffects of mine dump pollution on semiarid savanna vegetation were investigated in Kombat, Namibia. Vegetation structure, species richness, composition and diversity were compared between polluted…Publication Date 2011
- heavy metals
- Kombat
- ordination
- vegetation
- pollution
- savanna
- mining
- mine dump
- species richness
- species diversity
- toxicity
- decision support systems
- Namibia
- Africa
- Library Collection RecordIn communal areas of NE Zimbabwe, feed resources are collectively managed, with herds grazing on grasslands during the rainy season and mainly on crop residues during the dry season, which creates…Publication Date 2011
- Crop-livestock interactions
- Dynamic modelling
- cattle
- crop residues
- grasslands
- livestock
- foraging ecology
- soil organic carbon
- soil fertility
- management
- communal farming
- Zimbabwe
- Africa
- Library Collection RecordGrasses (Poaceae) are the largest family of vascular plants in Burkina Faso with 254 species. In the savannahs they are the most important family in terms of abundance and species richness, in other…Publication Date 2011
- ecological niche models
- macroecology
- plant functional traits
- Poaceae
- Sahel
- savannah
- phytogeography
- modelling
- grasslands
- ecosystem ecology
- C4 grasses
- Africa
- Library Collection Record1. Invasive alien plant species pose a severe threat to native plant communities world-wide, especially on islands. While many studies focus on the direct impact of alien plants on native systems,…Publication Date 2011
- Alien invasive species
- ecosystem ecology
- indirect interactions
- inselbergs
- interaction connectance
- invasion ecology
- Invasive alien species
- plant communities
- pollination webs
- Seychelles Islands
- Indian Ocean
- Africa
- Library Collection Record1. We introduce a novel method that analyses environmental filtering of plant species in a geographic and phylogenetic context. By connecting species traits with phylogeny, traits with environment,…Publication Date 2011
- coastal marsh plain
- community ecology
- determinants of plant community diversity and structure
- functional traits
- phylogenetic clustering
- phylogenetic signal
- RLQ analysis
- spatial analysis
- species assemblage
- statistical graphics
- ecosystem ecology
- Algeria
- Africa
- Library Collection Record1. Ecologists debate the importance of neutral versus niche-based explanations for patterns of species coexistence and whether small-scale data can inform ecological understanding of communities,…Publication Date 2011
- community analysis
- ecosystem ecology
- rainfall
- soil nutrients
- modelling
- abiotic gradients
- community assembly theory
- environmental filters
- grass phylogeny
- K-statistic
- plant population and community dynamics
- plant species richness
- species coexistence
- structural equation modelling
- trait dispersion
- Tanzania
- Africa
- Library Collection Record1. Ecological edges (zones separating ecosystems or land cover types) can function as active boundaries, unique habitats and dynamic transition zones. Abiotic factors, species and species…Publication Date 2011
- savanna
- ecosystem structure
- Ecosystem function
- edge effects
- grazing
- cattle
- Acacia drepanolobium
- boma
- continuous response function
- Crematogaster
- edge depth
- habitat fragmentation
- multiple edges
- Tetraponera penzigi
- Laikipia
- Kenya
- Africa
- Library Collection RecordThis study deals with the phenotypic polymorphism of twenty accessions of Cenchrus ciliaris L. (buffelgrass) collected in various climatic areas of Tunisia. Six seedlings per accession were…Publication Date 2011
- arid zones
- Cenchrus ciliaris
- morphometry
- multivariate analysis
- phenotype
- grasslands
- Tunisia
- Africa
- Library Collection RecordPrevious studies suggest that forest regeneration in grasslands is often slow because of grass competition and fire and that regeneration may be dependent on fire-resistant savannah trees. To examine…Publication Date 2011
- forest regeneration
- grasslands
- savannah trees
- species diversity
- woody plants
- competition
- fire ecology
- restoration ecology
- Kibale National Park
- Uganda
- Africa
- Library Collection RecordMopane savannah is one of the predominant dry vegetations of southern Africa. Despite the extensive number of previous studies, there are few quantitative descriptions of the vegetation types where…Publication Date 2011
- Colophospermum mopane
- Combretaceae
- savannah
- Zambezi Valley
- species richness
- biodiversity
- Zimbabwe
- Africa
- Library Collection RecordAn important question in biodiversity studies is whether disturbances in ecosystems will cause a net loss of species or whether such losses can be compensated by replacement of other species. We use…Publication Date 2011
- compensation
- Ecosystem function
- grasslands
- Serengeti birds
- ecosystem ecology
- birds
- invertebrates
- fire ecology
- management
- Tanzania
- Africa
- Library Collection RecordThe presence of grazers on grazing lawns in East Africa and North America often alters nitrogen cycling and availability. Grazing lawns can be defined as areas where grasses are kept in a short,…Publication Date 2011
- African savannah
- Grazers
- grazing lawns
- national park
- nitrogen
- soils
- management
- Africa
- Library Collection RecordRodent-mediated dispersal of Acacia seeds in Kalahari savannah rangelands – implications for bush encroachmentPublication Date 2011
- rodents
- Acacia
- seeds
- savannah
- rangelands
- Bush encroachment
- ecosystem ecology
- Africa
- Library Collection RecordAbstract Protected areas such as national parks are often assumed to be the best way to conserve plant diversity and maintain ecosystem composition and structure. To evaluate this assertion, we…Publication Date 2011
- conservation
- management
- restoration ecology
- management
- grasslands
- data analysis
- biodiversity
- land use
- vegetation dynamics
- grazing
- species richness
- national parks
- Tunisia
- Africa
- Library Collection RecordThe ReSaKo project undertook extended fieldwork across southern Cameroon to explore the palaeoenvironmental information recorded in the alluvial sediments of equatorial African rivers. 160 hand-…Publication Date 2011
- Alluvial sediments
- Palaeosurfaces
- Equatorial Africa
- West African monsoon
- Late Pleistocene
- Fluvial rain forest refuges
- palaeobotany
- Africa
- Library Collection RecordBrowsing lawns, as an analogue of the influential grazing lawn concept, received increased recent interest. We revisit this concept and ask whether the underlying characteristics of a grazing lawn…Publication Date 2011
- Consumer-resource interactions
- plant-herbivore interactions
- Grazing lawn concept
- Bowiea Primeval forest
- Plant tolerance traits
- Associational palatability
- Tree regeneration patches
- grazing
- foraging
- browsing
- ecosystem ecologygrasses
- pastures
- herbivores
- Kruger National Park
- Africa
- Library Collection RecordTef, Eragrostis tef (Zucc.) Trotter, is the main Ethiopian cereal grown on 2.5 million ha annually, and serving as a staple food grain for more than 50 million people. The major constraints in tef…Publication Date 2011
- seed
- management
- dissemination
- innovation
- Quncho
- seed system
- tef Introduction
- pasture seed
- Ethiopia
- pastures
- Ethiopia
- Africa
- 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 RecordThis study reports on a simulation growth model developed to predict daily gain (DG) of dairy cattle heifers. The model input parameters are gross energy (GE), ash, crude protein (CP), organic matter…Publication Date 2011
- elephant grass
- Daily Gain
- Supplement
- desmodium
- lablab
- Dairy cattle
- diet selection
- modelling
- Uganda
- Africa
- Library Collection RecordRainfall variability is a key constraint to agricultural production, livelihoods and economic growth in many developing countries. This is likely to be exacerbated in many places as rainfall…Publication Date 2011
- agriculture
- water storage
- Poverty
- Rural
- socio-economic aspects
- climate change
- Sub-Saharan Africa
- Africa
- Library Collection Record2009, CSIRO Publishing, PO Box 1139, Collingwood, Victoria 3066, Australia 416 pp, softcover ISBN 978?0-6430?9402-4. Price AU\$99.95Publication Date 2011
- Africa
- Library Collection RecordInformation at local scale on impacts of climate variability and climate change are crucial for planning of adaptation strategies and practices in agriculture. There is a diversity of approaches and…Publication Date 2011
- climate change
- carbon sequestration
- monitoring
- soils
- degradation
- socio-economic aspects
- Impact assessment
- hydrology
- Africa
- Library Collection Record2010, Wiley-Blackwell, The Atrium, Southern Gate, Chichester, West Sussex, PO19 8SQ, UK 211 pages, hardcover and softcover ISBN 978?0-470?66101-7 (hardcover), 978?0-470?66102-4 (softcover). Price …Publication Date 2011
- Africa
- Library Collection RecordThe relevance of land-use planning tools such as the Land Use and Allocation Plan (LUAP)is more than ever a necessity to face challenges of natural resources degradation (water, soil and forest) the…Publication Date 2011
- socio-economic aspects
- degradation
- agriculture
- biodiversity
- climate change
- food security
- Senegal
- Senegal
- Africa
- Library Collection Record2009, CRC Press, Boca Raton, FL 33487-2742, USA 323 pp, hardcover ISBN 978?1-4200?4739-4. Price US\$144.95Publication Date 2011
- Africa
- Library Collection RecordThe role of mounds of the fungus-growing termite Macrotermes bellicosus (Smeathman) in nutrient recycling in a highly weathered and nutrient-depleted tropical red earth (Ultisol) of the Nigerian…Publication Date 2011
- invertebrates
- soils
- savanna
- soil nutrients
- ecosystem ecology
- Nigeria
- Africa