Rangeland Ecology & Management
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- Library Collection RecordIn this study, we present a stochastic landscape modeling approach that has the power to transfer and integrate existing information on vegetation dynamics and hydrological processes from the small…Publication Date 2009
- modelling
- vegetation dynamics
- landscape ecology
- hydrology
- commercial agriculture
- subsistence agriculture
- grazing
- plant production
- runoff
- drought
- rainfall
- management
- Namibia
- Africa
- Library Collection RecordThe effects of species composition and sward structure on the ingestive behaviour of cattle and sheep grazing a mesic, low quality grassland in South Africa were investigated over the 1990–93…Publication Date 1996
- diet selection
- cattle
- sheep
- grasslands
- grazing
- 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 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 RecordAbstract not available
- rotational grazing
- grazing management
- grazing
- North Dakota
- Library Collection RecordAn overview is given of pasture evaluation and improvement of existing germplasm in South Africa. The literature is reviewed from the perspective of upgrading the natural vegetation, reclamation of…Publication Date 1997
- Pasture evaluation
- intake
- Supplementation
- nutritive value
- pasture management
- rehabilitation
- erosion
- forage quality
- grazing
- Forage Quantity
- drought
- irrigation
- rainfall
- Africa
- Library Collection RecordAbstract not available
- overgrazing
- grazing
- North Dakota
- 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 RecordAbstract not available
- rotational grazing
- grazing
- North Dakota
- Library Collection RecordWe use a dynamic stochastic simulation model of forage, herbivores, predators and domestic livestock in the Machakos District of Kenya to address policies related to the multiple use of rangeland…Publication Date 1997
- policies
- grazing
- livestock
- land use
- rangelands
- Traditional management
- commercial agriculture
- conservation
- pastoralism
- Forage Quantity
- drought
- 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 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
- 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 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 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 RecordIt has long been recognized that alternative vegetation states may occur in terrestrial grazing systems. This phenomenon may be of great importance as small environmental fluctuations may lead to…Publication Date 1997
- vegetation dynamics
- grazing
- grasslands
- ecosystem ecology
- degradation
- Africa
- Library Collection RecordPortable computers presently allow documentation of real-time grazing behavior under field conditions. Researchers are still challenged, however, with the task of selecting proper and easily recorded…Publication Date 1997
- goat
- ingestive behavior
- grazing
- foraging ecology
- goats
- forage quality
- Africa
- Library Collection RecordA descriptive study and an experiment were conducted to determine the selectivity of goats Capra hircus) on restricted grazing on a semi-arid temperate rangeland throughout the year. In 1987, a mixed…Publication Date 1992
- diet selection
- goats
- grazing
- rangelands
- 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 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 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 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 RecordVegetation community structure is a key indicator of long-term vegetation change in semi-arid ecosystems. This study uses ground-based spectral measurements and a canopy reflectance model to…Publication Date 1998
- Botswana
- Earth observation data
- Kalahari
- semi-arid ecosystems
- vegetation community structure
- monitoring
- vegetation dynamics
- modelling
- grazing
- 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 RecordThis paper describes the development of a model for estimating herbage production from rainfall and evapotranspiration in rangelands and its calibration using a vegetation cover index derived from…Publication Date 1995
- rangelands
- modelling
- herbage production
- grazing
- land degradation
- degradation
- plant production
- rainfall
- remote sensing
- rangeland condition
- Africa
- Library Collection RecordThe impact of ecological factors such as changes in rainfall could lead to large compositional changes in the diverse indigenous flora of southern Africa. A study was therefore initiated to determine…Publication Date 1995
- vegetation
- rainfall increase
- rainfall decrease
- southern Africa
- rainfall
- species richness
- biodiversity
- drought
- grazing
- vegetation dynamics
- 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 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 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 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 RecordAnnual burning homogenizes plant communities and causes a shift in species composition. Annual burning does not cause significant reductions in plant species richness. Annually-burned…Publication Date 2014
- Annual Burning
- biodiversity conservation
- Commercial plantation forestry
- Firebreak
- grassland
- grazing
- species composition
- species turnover
- Africa
- Library Collection RecordAbstract Woody plant encroachment is a common consequence of disturbance in savannas. Grazers and browsers interfere with sapling establishment dynamics by direct consumption of plant tissue,…Publication Date 2013
- Acacia
- browsing
- grazing
- mesic savanna
- tree sapling biomass
- woody plant encroachment
- indigenous encroaching species
- savanna
- soil nutrients
- ecosystem ecology
- vegetation dynamics
- South 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 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
- Library Collection RecordIn this study, we asked the Ariaal herders of northern Kenya to answer 'why, what and how' they classified landscape, and assessed and monitored the biodiversity of 10 km2 of grazing land.…Publication Date 2009
- Anthropogenic indicators
- Ariaal
- biodiversity
- Indigenous knowledge
- Grazing suitability
- landscape classification
- Landscape potential
- traditional knowledge
- pastoralism
- monitoring
- grazing
- grasslands
- land use
- Soil Condition
- livestock
- conservation
- management
- Kenya
- Africa
- Library Collection RecordThe impacts of fire and grazing management on grass nutritional quality in semi-arid savannas may depend on inherent variation in rainfall and soil nutrient status. We examined the effects of grazing…Publication Date 2010
- crude protein
- Grass nutritional quality
- phosphorus
- rainfall
- grazing
- fire ecology
- soil nutrients
- management
- savanna
- forage quality
- plant production
- Northern Cape
- South Africa
- Library Collection RecordThe issue of sustainability and productivity of open communal rangelands compared to fenced rangelands is often subject to controversy. This study investigated differences in soil and grass layer…Publication Date 2010
- game
- livestock
- Lowveld
- overgrazing
- stocking rates
- grazing
- sustainability
- management
- Soil Condition
- commercial agriculture
- communal farming
- rangelands
- vegetation dynamics
- plant production
- soil fertility
- Swaziland
- Africa
- Library Collection RecordThis study aimed to quantify and understand the impact of severe land degradation on plant diversity in part of the Succulent Karoo. Although total number of species declined with heavy grazing,…Publication Date 2010
- disturbance
- Extirpation
- grazing
- local extinction
- Nurse plants
- soil crusts
- degradation
- biodiversity
- species richness
- ecosystem ecology
- landscape ecology
- Succulent karoo
- South Africa
- Library Collection RecordThe direct short-term impact of three rates of stocking (4, 8 and 16 small-stock units [SSU] ha-1) was quantified in terms of soil characteristics of arid Nama Karoo vegetation (subshrub/grass).…Publication Date 2009
- bulk density
- Infiltration Rate
- Karoo bushes
- soil compaction
- stocking rate
- sheep
- agriculture
- grazing
- soils
- stocking rates
- hydrology
- South 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 RecordThe need to implement sustainable resource management regimes for semi-arid and arid rangelands is acute as non-adapted grazing strategies lead to irreversible environmental problems such as…Publication Date 2009
- adaptation
- climate change
- Arid rangelands
- Namibia
- Bio-economic simulation approach
- land use
- sustainability
- management
- socio-economic aspects
- grazing
- modelling
- ecology
- savanna
- stocking rates
- decision support systems
- vegetation dynamics
- Namibia
- 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 RecordPatchy vegetation patterns are an expression of soil surface conditions, water redistribution on the soil surface and landscape function. Their origin is attributed by many a scholar to the…Publication Date 2009
- patchiness
- Moisture dependencies
- Soil crusting
- Runoff generation
- Dysfunctional
- Soil Condition
- rainfall
- runoff
- Aerial Photographs
- Alien invasive species
- disturbance
- erosion
- land use
- grazing
- landscape ecology
- degradation
- Eastern Cape
- South Africa
- Library Collection RecordThe Knersvlakte in the Succulent Karoo Biome (South Africa) is known for its high plant diversity and endemism. In the course of establishing a conservation area there, we assessed baseline data for…Publication Date 2010
- Aizoaceae
- biodiversity
- herbivory
- Namaqualand
- rangeland management
- Systematic conservation planning
- conservation
- management
- grazing
- sheep
- goats
- South Africa
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