Rangeland Ecology & Management
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- 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 RecordThere seems to be a general consensus that improving agriculture and enhancing agricultural productivity through irrigation will remain a key strategy for rural poverty alleviation in most of the low…Publication Date 2012
- Farmer management skills
- food security
- institutional and organisational arrangements
- poverty alleviation
- revitalisation
- smallholder irrigation schemes
- South Africa
- Library Collection RecordWith the main aim of scrutinizing cattle production system in pastoral areas of Hadiya zone, Ethiopia, this paper characterises the system by explaining the purpose of production, breed and breeding…Publication Date 2012
- Cattle production system
- pastoralism
- Hadiya
- Ethiopia
- North Africa
- Ethiopia
- 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 this paper the analysis of Land sat images and plant ecological assessment were used to determine the land use change, plant diversity and the main plant community patterns in most environmentally…Publication Date 2012
- Normalized difference vegetation index(NDVI)
- land use change
- biodiversity
- plant community
- North Africa
- North Togo
- 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 RecordThis study investigates women’s access to land and credit in Disobltla, North West Province. Land is an important resource for the survival of rural women. A probit model was used to analyse the…Publication Date 2012
- Female smallholders
- access to farmland
- access to credit
- agricultural development
- poverty reduction
- North West Province
- South Africa
- 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 RecordThis study examined the awareness and adaptation to climate change among farmers in the Sahel savanna agro-ecological zone of Borno State, Nigeria. Data for the study were collected from 225…Publication Date 2012
- climate change
- adaptation
- extension agent
- farmers
- savanna
- household income studies
- socio-economic aspects
- Borno State
- Nigeria
- North 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 RecordPayments for ecosystem/environmental services (PES) interventions aim to subject ecosystem conservation to market dynamics and are often posited as win-win solutions to contemporary ecological,…Publication Date 2012
- Maloti-Drakensberg
- Lesotho
- South Africa
- payments for ecosystem services
- neoliberal conservation
- marketing
- Maloti-Drakensberg
- South Africa
- Library Collection RecordThe Bahima ethnic group have been crossbreeding autochthonous Ankole with Holstein-Friesian cattle. Separate herds (pure Ankole and crossbreds) are common. A survey was conducted to characterize…Publication Date 2012
- Ankole cattle
- Indigenous knowledge
- pasture composition
- pasture management
- Uganda
- 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 RecordDescription not available.Publication Date 2012
- Africa
- Library Collection RecordThe vegetation of Malilangwe Wildlife Reserve in Zimbabwe (39 378 ha) was classified and mapped in 2003 using an integrated approach of ground-based measurement and remote sensing. Environmental…Publication Date 2012
- classification
- GIS
- plant community ecology
- remote sensing
- savanna
- Zimbabwe
- Library Collection RecordStudies on plant phenology and browse capacity require effective methods to rapidly quantify plant dimensions such as tree height, height of maximum canopy diameter, height of first leaves, maximum…Publication Date 2012
- digital photograph
- phenology
- tree dimensions
- tree volume
- South Africa
- Library Collection RecordPot experiment was conducted to study the effect of biofertilizers (inoculation with different bacterial isolates), foliar spraying with some micronutrients (Mn, Zn, Fe and Mn+Zn+Fe) and their…Publication Date 2012
- Library Collection RecordSavanna woodlands are vitally important in providing ecological services (e.g. erosion protection, micro-climate) and economic services (e.g. timber, food, fodder non-wood products, and wild-life…Publication Date 2012
- Library Collection RecordAssessing the extent to which populations are limited by bottom-up processes driven by food limitation is crucial to our understanding of how ecosystems should be managed. Using satellite-derived…Publication Date 2012
- Library Collection RecordSavannahs cover more than 40% of Africa and provide a variety of important ecosystem services. Their productivity is constrained by disturbance and limiting resources. In southern Africa, fine-leaf…Publication Date 2012
- fertilization
- grazing
- Kalahari transect
- Namibia
- nitrogen
- phosphorus
- savannah
- southern Africa
- Library Collection RecordSoil seed banks provide not only a historical record of vegetation composition but also the potential for post-disturbance revegetation. Pechuel-Loeschea leubnitziae (wild sage) is a multistemmed,…Publication Date 2012
- Okavango Delta
- rangelands
- semi-arid savanna
- shrub encroachment
- Namibia
- Botswana
- Swaziland
- Zimbabwe
- South Africa
- Library Collection RecordDescription not available.Publication Date 2012
- Africa
- Library Collection RecordDescription not available.Publication Date 2012
- Africa
- Library Collection RecordThe non-selective, soil-applied herbicide tebuthiuron (1-(5-tert-butyl-1,3,4-thiadiazol-2-yl)-1,3-dimethylurea) is registered for the control of the indigenous encroacher shrub Seriphium plumosum (…Publication Date 2012
- bare patches
- half-life
- Herbicide
- pot experiment
- Seriphium plumosum
- South Africa
- Library Collection RecordThis study investigated the relationship between grazing veld condition and herbaceous plant species richness in the moist Midlands Mistbelt Grassland in KwaZulu-Natal. The observed herbaceous plant…Publication Date 2012
- grazing
- plant-herbivore interactions
- rangeland condition
- veld assessment
- KwaZulu-Natal
- South Africa
- Library Collection RecordFire has long been regarded as a major determinant of ecosystem structure and function within African savannas. Improvements in fire detection, mapping and recordings of fire activity over the past…Publication Date 2012
- Africa
- Library Collection RecordDescription not available.Publication Date 2012
- Africa
- Library Collection RecordChanges in the composition of plant functional type (PFT) activities are expected to accompany a changing climate. In tropical montane grasslands, such changes are predicted to follow shifts in the…Publication Date 2012
- Africa
- Library Collection RecordDescription not available.Publication Date 2012
- Africa
- Library Collection RecordDescription not available.Publication Date 2012
- Africa
- Library Collection RecordSpines in plants have evolved to reduce mammalian herbivory, and their main function may be to protect twigs more than photosynthetic tissue. Type and frequency of spines vary at different scales. We…Publication Date 2012
- Africa
- Library Collection RecordSpines in plants have evolved to reduce mammalian herbivory, and their main function may be to protect twigs more than photosynthetic tissue. Type and frequency of spines vary at different scales. We…Publication Date 2012
- Acacia tortilis
- browsing
- feeding rate
- functional response
- Plant defence
- Africa
- Library Collection RecordWe studied the effects of browsing on the plant architecture and volume-biomass relationships of three dominant dwarf shrubs – Artemisia herba-alba, A. mesatlantica and Teucrium mideltense â…Publication Date 2012
- allometric function
- Atlas Mountains
- nonlinear regression
- permanent plot
- plant architecture
- standing biomass
- Morocco
- Africa
- Library Collection RecordFicus thonningii is a multipurpose browse tree in northern Ethiopia. Despite its importance, techniques for quantifying its browsable biomass have not been developed. To develop best-estimation…Publication Date 2012
- allometry
- indigenous fodder trees
- Tigray
- modelling
- plant production
- forage quality
- foraging ecology
- North Africa
- Ethiopia
- Library Collection RecordThere is increasing evidence that climate change will be one of the primary challenges facing future development and agriculture. Farmers, whether crop or livestock farmers, will be faced with…Publication Date 2012
- carbon farming
- climate change adaptation
- drought
- Livestock Farmers
- subtropical thicket
- South Africa
- Library Collection RecordThis study aimed to quantify and evaluate the effects of heavy land utilisation, mainly grazing, on plant species richness and diversity, species abundance, vegetation structure and soil…Publication Date 2012
- communal rangeland
- degradation
- grazing
- plant species rivhness
- Termites
- southern Africa
- Library Collection RecordPerennial herbaceous plants are a key element of the vegetation cover in arid lands, during a long period of the year, but their persistence depends on their ability to cope with acute drought. This…Publication Date 2012
- adaptation
- experimental water stress
- phenotypic response
- Poaceae
- variability
- Tunisia
- Africa
- Library Collection RecordThe geographic distribution of Acacia tortilis (Forssk.) Hayne subsp. raddiana (Savi) Brenan in Tunisia, is limited to the Bou-Hedma region (Bled Talah) where the National Park of Bou-Hedma, a UNESCO…Publication Date 2012
- exposition
- open areas
- Soil enrichment
- soil water availability
- tree canopies
- North Africa
- Tunisia
- Library Collection RecordPopulation viability and productivity of grasses in southern African savannas are dependent upon both successful seed production and tiller recruitment from the belowground bud bank. Relative…Publication Date 2012
- Bud bank
- meristem
- Poaceae
- Reproductive allocation
- Vegetative Reproduction
- Africa
- Library Collection RecordThis study is the first detailed assessment of an invasion by Acacia implexa (Benth.) (screw-pod wattle) anywhere in the world. Approximately 30 000 A. implexa individuals were found spread over…Publication Date 2012
- biological invasions
- Early detection and rapid response
- Emerging invader
- Eradication
- Invasive alien plant
- 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 RecordA wide range of land management practices, including application of fertilizers, contour-plowing, stone bunds, mulching and agroforestry, have been adopted by farmers in the Jos Plateau to control…Publication Date 2012
- smallholder farmers
- land management technologies
- soil erosion
- soil fertility
- crop yield
- North Africa
- Nigeria
- Library Collection RecordThe ecology of Seriphium plumosum is not yet fully understood and therefore requires in-depth research to assist with the control of this encroacher plant. The habitat preferences of the plant were…Publication Date 2012
- bankrupt bush
- rangelands
- shrub encroachment
- Seriphium plumosum (Stoebe vulgaris)
- slangbos
- vaalbos
- Thaba Nchu
- South Africa
- Library Collection RecordThe ingression of woody plants into the grassy layer of savannas and grasslands has become a global concern. The increase of woody plants has been primarily attributed over grazing, fire and more…Publication Date 2012
- aerial photography
- fire suppression
- herbivory
- Long-term observations
- Palatable trees
- remote sensing
- Textural analysis
- Time-series analysis
- Unpalatable trees
- woody plant encroachment
- KwaZulu-Natal
- South Africa
- Library Collection RecordAcacia mearnsii is an introduced Australian acacia in South Africa and has invaded more than 2.5 million ha, primarily establishing in rangeland and riparian areas. Because acacias have the…Publication Date 2012
- Invasion biology
- Isotope ecology
- Nitrogen isotopes
- riparian
- riparian ecology
- nitrogen fixation
- South 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 RecordClimate has been changing in the last three decades and will continue changing regardless of any mitigation strategy. Agriculture is a climate-dependent activity and hence is highly sensitive to…Publication Date 2012
- Climatic suitability
- modeling
- impacts
- adaptation
- EcoCrop
- sorghum
- Sub-Saharan Africa
- South Asia
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