Rangeland Ecology & Management
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- Library Collection RecordFarm practices in the Sneeuberg Mountains, Karoo, South Africa are examined to assess their contribution to the development of the observed gullies and badlands. Data from the literature is augmented…Publication Date 2007
- erosion
- land degradation
- range management
- vegetation
- grazing
- Stock
- management
- degradation
- land use
- participatory rural appraisal
- livestock
- rehabilitation
- Africa
- Library Collection RecordThe effect of livestock type (cattle-to-sheep ratio) and stocking rate on grassland species richness and vegetation composition were tested using two long-term trials in Highland Sourveld Grassland…Publication Date 2007
- grasslands
- grazing
- South Africa
- KwaZulu - Natal
- plant diversity
- grazing
- environmental aspects
- livestock
- cattle
- sheep
- stocking rates
- grassland
- species richness
- fire
- southern Africa
- Library Collection RecordSouth African dairy farmers have generally used kikuyu pasture to tide them over from one ryegrass season to the next, and as a result of its resilient nature, have assumed careful management of it…Publication Date 2007
- management
- pastures
- dairy farming
- Economic Aspects
- nutrients
- animal production
- grazing
- fire
- southern Africa
- Library Collection RecordGrazing lands in Eritrea are degraded due to decades of overstocking and consequent overgrazing. Since the rangelands are accessible to entire village communities, organisation and coordinated…Publication Date 2007
- rangelands
- degradation
- communal farming
- subsistence agriculture
- livestock
- management
- grazing
- Commercial farming
- cattle
- household income studies
- forage
- southern Africa
- Library Collection RecordWe introduce the five rangeland types found in the arid and semiarid regions of South Africa, namely Arid Savanna, Arid Grassland, Nama-karoo, Succulent Karoo, and Thicket, and describe the important…Publication Date 2006
- rangelands
- savanna
- livestock
- grazing
- management
- commercial agriculture
- subsistence agriculture
- Sustainable development
- Africa
- Library Collection Record1. Gradients of animal impact known as piospheres tend to develop around artificial watering points, particularly in arid zones. Such grazing gradients represent a potential opportunity for…Publication Date 2006
- animal impact
- piosphere
- watering points
- livestock
- species richness
- ecosystem ecology
- rangelands
- grazing
- management
- disturbance
- stocking rates
- Africa
- Library Collection RecordThe coexistence of woody and grassy plants in savannas has often been attributed to a rooting-niche separation (two-layer hypothesis). Water was assumed to be the limiting resource for both growth…Publication Date 2006
- fire
- grazing
- Honeycomb rippling model
- Inter-tree competition
- Spatio-temporal rainfall variation
- Tree-grass coexistence
- savanna
- indigenous encroaching species
- grasslands
- soil moisture
- rainfall
- vegetation dynamics
- Africa
- Library Collection RecordHerder knowledge of landscape classification and environmental assessments in East Africa has been poorly documented. This study investigated how the Maasai traditionally classified and assessed…Publication Date 2006
- land degradation
- Livestock grazing preference
- Maasai
- Traditional landscape classification
- traditional knowledge
- subsistence agriculture
- degradation
- grasslands
- grazing
- management
- pastoralism
- soils
- animal impact
- biodiversity
- forage quality
- animal nutrition
- animal production
- monitoring
- Africa
- Library Collection RecordOver 70% of South Africa is too arid for crop farming and is used for either commercial livestock ranching, communal livestock ranching, or game ranching. The inherently different management…Publication Date 2006
- Semi-arid rangeland
- pastoralism
- wildlife
- rangeland degradation
- Soil Condition
- Grazing gradients
- rangeland condition
- management
- piosphere
- grazing
- Africa
- Library Collection RecordThis paper provides an analysis of the physical and chemical characteristics of cyanobacterial soil crusts in the Molopo Basin, South Africa. It details the influence that soil type, livestock…Publication Date 2006
- cyanobacterial soil crusts
- Kalahari
- soil nutrients
- shrub encroachment
- Acacia mellifera
- soil classification
- livestock
- disturbance
- grasslands
- grazing
- Africa
- Library Collection RecordDegradation in semi-arid Karoo rangelands has been ascribed to over-utilization by livestock and variations in rainfall regime. The understanding of vegetation dynamics in confined plant-herbivore…Publication Date 2006
- African wild herbivore
- Herbivore exclosure
- plant functional type
- Protected area
- vegetation monitoring
- rangelands
- rangeland condition
- vegetation dynamics
- livestock
- grazing
- land use
- national parks
- rainfall
- monitoring
- Africa
- Library Collection RecordRemote sensing has successfully been applied to map the distribution of canopy dominating invasive species. Many invaders however, do not dominate the canopy, and remote sensing has so far not been…Publication Date 2006
- remote sensing
- GIS
- Chromolaena odorata
- seed production
- light intensity
- invasive species
- mapping
- Alien invasive species
- Landsat images
- grazing
- biological control
- Africa
- Library Collection RecordThis paper traces the history of grazing policy, its conceptual basis, practical implementations and outcomes, in three southern African countries. In spite of the divergent environmental conditions…Publication Date 2006
- pastoralism
- Communal land
- rangeland management
- rangeland ecology
- policies
- grazing
- communal farming
- rangelands
- management
- Sustainable development
- Africa
- Library Collection RecordIn semiarid savannas of Southern Africa current land use practices and climate change may lead to substantial changes of vegetation structure in the near future, however uncertainty remains about the…Publication Date 2006
- Acacia erioloba
- Bush encroachment
- global change
- Grewia flava
- overgrazing
- seed dispersal
- shrub encroachment
- Southern Kalahari
- Spatial-explicit simulation model
- savanna
- land use
- grazing
- climate change
- vegetation dynamics
- cattle
- ecosystem ecology
- ecosystem dynamics
- rainfall
- fire ecology
- modelling
- conservation
- management
- carrying capacity
- biodiversity
- indigenous encroaching species
- Africa
- Library Collection RecordUnlike any other biome, savannas consist of both trees and grasses in a persistent and equitable manner. This unique mixture of two different life forms attracted scientific scrutiny for decades.…Publication Date 2006
- Terminalia sericea
- Shallow root system
- savannas
- rainfall
- Etosha National Park
- grazing
- indigenous encroaching species
- Africa
- Library Collection RecordWe discuss the search for optimal stocking regimes in semi-arid grazing lands. We argue that 'one size does not fit all' and that different stocking regimes are appropriate under different…Publication Date 2006
- stocking strategies
- grazing
- Opportunistic stocking
- Conservative Stocking
- Equilibrium dynamics
- rangeland ecology
- management
- Africa
- Library Collection RecordFor estimating herbage intake during grazing, the traditional sward cutting technique was compared in grazing experiments in 2002 and 2003 with the recently developed n-alkanes technique and with the…Publication Date 2005
- dairy cow
- herbage intake
- sward cutting
- n-alkanes
- grazing
- cattle
- fodder quality
- Africa
- Library Collection RecordWooded rangelands are a vast grazing land resource globally, including shrublands, savannas and forested ranges. They generally provide forage year-round for small ruminants and they are vitally…Publication Date 2005
- diet selection
- Physical and chemical plant defences
- anti-quality
- grazing behaviour
- grazing
- rangelands
- savanna
- goats
- sheep
- foraging ecology
- livestock
- forage quality
- Africa
- Library Collection RecordTransformation of South African succulent thicket in response to grazing is widespread and characterized by the extensive replacement of dense closed-canopy thicket with a [`]pseudo-savanna' of…Publication Date 2005
- desertification
- functional diversity
- Goat browsing
- plant diversity
- grazing
- savanna
- Aerial Photographs
- ecosystem dynamics
- degradation
- Africa
- Library Collection RecordLocal communities use an indigenous classification of environmental land units for natural resource management in central north Namibia. These indigenous land units (ILUs) were compared with a…Publication Date 2005
- Indigenous environmental knowledge
- vegetation
- ordination
- land classification
- Resource Use
- grazing
- Indigenous knowledge
- community based resource management
- management
- ecology
- vegetation dynamics
- Africa
- Library Collection RecordIn evolutionary time frames, grazing by domesticated livestock on the short grass plains of East Africa is a new occurrence resulting in increased animal densities year around and modification to…Publication Date 2005
- evolutionary history of grazing
- Modified-Whittaker plots
- Serengeti ecosystem
- East Africa
- seasonal grazing
- rangelands
- savanna
- grazing
- biodiversity
- vegetation dynamics
- management
- livestock
- animal impact
- Africa
- Library Collection RecordSummary Seed dispersal via ingestion and defecation by large herbivores provides a possible aid for ecological restoration of plant communities, by connecting source communities of target species…Publication Date 2005
- seed dispersal
- grazing
- Heathland
- grassland
- conservation
- Indicator Values
- seeds
- restoration ecology
- Weeds
- management
- monitoring
- soil fertility
- Africa
- Library Collection Recorddewey class number: 633.2009684 Full text also available online. Scroll down for electronic link.Publication Date 2005
- rangeland management
- Kwa Zulu Natal
- Okhombe ward
- Agricultural systems
- grazing
- Commons
- natural resources
- communal management
- citizen participation
- grassland ecology
- Fodder trees
- Ukulinga Research Farm
- feed composition
- nutritional value
- Cropping Systems
- subsistence agriculture
- southern Africa
- Library Collection RecordLand deterioration does not occur uniformly over time or over a landscape. The differential use of preferred areas in the landscape results in uneven distribution of animal impact, and periods of…Publication Date 2004
- basal area
- continuous grazing
- patch overgrazing
- patch selection
- rotational grazing
- spatial heterogeneity
- species composition
- degradation
- animal impact
- rainfall
- grazing
- drought
- rangeland condition
- rangelands
- plant production
- Africa
- Library Collection RecordIn previous papers we have considered the optimal mix of biodiversity in semi-arid rangelands, focusing on the steady state. This paper addresses the question of conservation in the optimal use of…Publication Date 2004
- rangelands
- biodiversity
- Managed
- Natural
- conservation
- management
- fire ecology
- grazing
- livestock
- vegetation dynamics
- Africa
- Library Collection RecordWhat is overgrazing? Does it cause soil erosion? The recent debate from the ecological literature is reviewed as background to the debate on overgrazing and soil erosion. This debate stresses the…Publication Date 2004
- soil erosion
- Over Grazing
- Communal lands
- equilibrium and non-equilibrium theory
- South Africa
- grazing
- communal farming
- Abandoned lands
- rangeland condition
- management
- 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 RecordWe contend diets and habitats that allow animals to select among alternatives enable individuals to better meet needs for nutrients and to better cope with toxins. All plants contain toxins, and the…Publication Date 2003
- foraging ecology
- herbivory
- biodiversity
- conservation biology
- toxins
- diet selection
- toxicity
- nutrition
- grazing
- Africa
- Library Collection RecordWe constructed a simple simulation model (SESS) of the dynamics of forage growth and standing crop and cattle production to evaluate the ecological sustainability of management alternatives for…Publication Date 2003
- models
- simulation
- Grazinglands
- rangelands
- Semi-arid zones
- ANP
- sustainability
- range condition
- grazing
- Cattle reproduction
- forage quality
- cattle
- management
- plant production
- animal production
- soils
- rainfall
- rangeland condition
- Africa
- Library Collection RecordAcocks measured representative sites of good condition grassland in the 1940's that were re-sampled approximately 50 years later in order to compare the effect of commercial versus communal…Publication Date 2003
- grasslands
- land use
- commercial agriculture
- communal farming
- grazing
- forage quality
- vegetation dynamics
- Africa
- Library Collection RecordA study on grasshopper assemblage response to seasonal grazing, rotational grazing, continuous resting and continuous grazing was undertaken in the eastern Karoo, South Africa. Rotationally-grazed…Publication Date 2003
- seasonal grazing
- rotational grazing
- Karoo
- grasshoppers
- South Africa
- plant production
- insects
- grazing
- land use
- rangelands
- biodiversity
- Africa
- Library Collection RecordRangelands, generally located on steep semi-arid zones, have a special importance in resource management. Continued overgrazing and erosion cause range degradation by altering plant communities and…Publication Date 2003
- soil properties
- botanical composition
- Rangeland quality
- Landscape positions
- rangeland condition
- grazing
- erosion
- degradation
- vegetation dynamics
- Soil Condition
- Africa
- Library Collection RecordWe examined relationships between vegetation and soil nutrients along rainfall and land use gradients in the Kalahari. Soil organic carbon (SOC) was significantly lower where reduced rainfall and…Publication Date 2003
- soil organic carbon
- soil organic nitrogen
- rainfall gradient
- land-use gradient
- Kalahari
- savanna
- Botswana
- soil nutrition
- rainfall
- grazing
- grasslands
- land use
- Africa
- Library Collection RecordThe effect of intensive grazing and browsing of domestic stock and wildlife on the number of species and abundance of vegetation was investigated in the Hoanib River catchment, north-western Namibia…Publication Date 2003
- vegetation impact
- Arid Environment
- intensive grazing
- ecosystem ecology
- vegetation dynamics
- grasslands
- grazing
- livestock
- wildlife
- land use
- drought
- Africa
- Library Collection RecordOveroptimistic stocking rates are the leading cause of rangeland degradation. The phenomenon of patch-selective grazing means that the stocking rate on heavily used patches is much higher than that…Publication Date 2003
- basal area
- patch overgrazing
- patch selection
- spatial heterogeneity
- Species Composition.
- stocking rates
- rangeland condition
- degradation
- rangelands
- grazing
- animal impact
- management
- Africa
- Library Collection RecordThe numbers of livestock and wildlife that can be supported in an arid environment such as the Hoanib River catchment, north-western Namibia, are determined by annual and seasonal availability of…Publication Date 2003
- Non-equilibrium system
- vegetation assessment
- Arid Environment
- vegetation dynamics
- ecosystem ecology
- livestock
- wildlife
- grazing
- rainfall
- land use
- piosphere
- Africa
- Library Collection RecordAbstract not available.Publication Date 2002
- vegetation dynamics
- ecosystem ecology
- rangelands
- grazing
- Africa
- Library Collection RecordWe evaluated the effects of livestock grazing on C content of the plant-soil system (to 60 cm) of two semi-arid grasslands: a mixed-grass prairie (grazed 12 years), and a short-grass steppe (grazed…Publication Date 2002
- carbon
- C storage
- grasslands
- grazing
- Great Plains
- soil organic carbon
- stocking rates
- management
- Africa
- Library Collection RecordThe USA has about 336 Mha of grazing lands of which rangelands account for 48%. Changes in rangeland soil C can occur in response to a wide range of management and environmental factors. Grazing,…Publication Date 2002
- C sequestration
- rangelands
- grazing
- management
- organic carbon
- soil organic carbon
- fire
- fertilizer
- grasslands
- erosion
- Africa
- Library Collection RecordAcross nearly 100 sampling locations widely distributed within the arid shrubland of Western Australia, we demonstrated a general relationship between landscape function, primary productivity and…Publication Date 2002
- landscape function
- resilience
- Landscape degradation
- primary productivity
- indicators
- patch
- patch-mosaic
- ecosystem ecology
- plant production
- rainfall
- grazing
- sheep
- degradation
- Africa
- Library Collection Record
191 Grasslands
Vegetation dominated by grasses, which is among the largest ecosystems in the world, has great environmental significance as well as providing feed for livestock and wildlife. Grassland types vary…Publication Date 2001- savannah
- steppe
- grasses
- herbivory
- grazing
- fire
- savanna
- grasslands
- disturbance
- livestock
- southern Africa
- Library Collection RecordWe investigated a variety of habitat characteristics along a land-use gradient in an attempt to determine which factors may have influenced the population decline of redwing francolin, Francolinus…Publication Date 2001
- grasslands
- grazing
- habitat
- redwing francolin
- pasture management
- birds
- ecology
- biodiversity
- fire
- Africa
- Library Collection RecordSummary * 1Seasonal rivers in semi-arid African savannas support riparian woodland and hydromorphic grassland, key habitats for wildlife or livestock. We investigated the effect of numerous, small,…Publication Date 2001
- Bush encroachment
- Combretum imberbe
- Faidherbia albida
- hydrology
- riparian
- grasslands
- drought
- grazing
- ecology
- 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 RecordMiombo woodlands are crucial to the livelihoods of rural people throughout southern, eastern and central Africa. This paper describes a dynamic simulation model of key ecological processes in miombo…Publication Date 2000
- management
- economics
- ecosytem ecology
- grazing
- fire
- grasslands
- carbon sequestration
- hydrology
- land use
- Africa
- Library Collection RecordLivestock trails frequently evolve in pastures when plant growth or establishment cannot keep pace with vegetation disturbance. In some instances, man-made trails are established in rangeland…Publication Date 2000
- Cattle feeding and nutrition
- rangelands
- Optimum foraging
- Global positioning system
- GPS
- Geographic Information System
- foraging
- grazing behavior
- efficiency
- grazing
- remote sensing
- animal nutrition
- pasture management
- foraging ecology
- 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 RecordA comparison of soil degradation between communal grazing and controlled grazing was undertaken in the Victoria-East district of the Eastern Cape. The study was undertaken in the communal rangeland…Publication Date 2000
- soil
- degradation
- rangelands
- management
- communal grazing
- subsistence agriculture
- grazing
- commercial agriculture
- erosion
- southern Africa
- Library Collection RecordRangelands are complex systems with many interacting components. Modelling such systems presents two particular and interrelated problems. Firstly, the processes involved operate on greatly differing…Publication Date 1999
- Frame based
- model
- rangelands
- simulation
- modelling
- stocking rates
- grazing
- Africa
- Library Collection RecordFocusing on the issue of veldt degradation and grazing pressure on rangelands, a simplified model was constructed for a sustainable stocking rate (SR) evaluation of the complex system of semi-arid…Publication Date 1999
- stocking rates
- mixed grazing
- modelling
- Arid and sub-humid regions
- grazing
- degradation
- management
- decision support systems
- biodiversity
- traditional knowledge
- ecosystem ecology
- conservation
- foraging ecology
- Africa