Rangeland Ecology & Management
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- Library Collection RecordThis study investigated the seasonal and plant species patterns of short-term intake rate (STIR) by Nguni goats fed six common browse species in subhumid subtropical savannas. Six 2-year-old…Publication Date 2011
- browser
- conditioning
- feeding behaviour
- herbivore
- intake rate
- goats
- Fodder
- diet selection
- foraging ecology
- management
- South Africa
- Library Collection RecordThe Grassland biome is the most transformed biome in South Africa, with cultivation and other human impacts having the largest effect on pristine grasslands. Conversion of natural grassland to…Publication Date 2011
- conservation
- Gauteng
- grassland
- old lands
- rehabilitation
- species diversity
- reseeding
- restoration ecology
- Weeds
- plant production
- South Africa
- Library Collection RecordUsing the results from a long-term grazing trial in the Dry Highland Sourveld of the KwaZulu-Natal province, we prepared a water use efficiency value (the ratio of the increment in annual biomass to…Publication Date 2010
- animal production
- foraging ecology
- plant ecology
- plant production
- rangeland condition
- remote sensing
- monitoring
- grazing
- water use efficiency
- grassland
- MODIS
- KwaZulu-Natal
- South Africa
- Library Collection RecordPatch-mosaic burning (PMB) is commonly advocated to create a mosaic of fire regimes that is believed to be more beneficial for maintaining biodiversity than the relatively homogeneous environment…Publication Date 2010
- conservation areas
- fire ecology
- geographic information systems
- landscape ecology
- biodiversity
- management
- GIS
- Mkuzi Game Reserve
- South Africa
- Library Collection RecordIn spite of predictions of communal rangeland collapse due to continuous grazing and increased livestock populations, this grazing system remains prevalent in communal areas, suggesting animals…Publication Date 2010
- cattle
- Graze
- key resource areas
- livestock
- communal farming
- rangelands
- grazing
- plant production
- soils
- soil organic carbon
- Eastern Cape
- South Africa
- Library Collection RecordWe carried out a trial in the Hluhluwe-iMfolozi Park comparing three herbicides and two manual control techniques for controlling the annual weed Parthenium hysterophorus L. The herbicides 2,4-D…Publication Date 2010
- control
- forbs
- grasses
- Herbicide
- impact
- manual weeding
- Alien invasive species
- Weeds
- management
- restoration ecology
- South America
- Library Collection RecordSeed ecology may play a role in the widespread increase of Acacia karroo in savanna and grassland. Accordingly, fecundity, predation, mortality by fire, dispersal by livestock, and seed longevity…Publication Date 2010
- dispersal
- fire
- seed bank
- seed lngevity
- seed predation
- seed production
- ecology
- savanna
- grassland
- livestock
- insects
- germination
- cattle
- sheep
- goats
- management
- Eastern Cape
- South Africa
- Library Collection RecordThe relative benefit of different grazing management practices for maintaining grassland biodiversity integrity was assessed. Practices considered were grazing system, stocking rate, animal type,…Publication Date 2010
- analytic heirarchy process
- plant diversity
- stocking rate
- veld condition assessment
- grazing
- management
- biodiversity
- fire
- cattle
- sheep
- Impact assessment
- South Africa
- Library Collection RecordProductivity and mortality of grass plants following drought may be controlled by interactions between defoliation and severity of the drought. Prudent grassland management might mitigate deleterious…Publication Date 2010
- fodder production
- rehabilitation
- tradeoff
- water stress
- drought
- grazing
- grasslands
- management
- plant production
- KwaZulu-Natal
- South Africa
- Library Collection RecordThe Bontebok National Park has long been faced with the dilemma of reconciling the need for short-interval fires, which promote grazing for bontebok, with that for longer-interval fires to maintain…Publication Date 2010
- fire
- management
- national park
- herbivores
- Cape mountain zebra
- Fynbos
- grazing succession
- red hartebeeste
- renosterveld
- grazing
- stocking rates
- Bontebok National Park
- South Africa
- Library Collection RecordIn spite of a manager's best attempts, a managed rangeland may hit an irreversible state in which it provides neither consumptive nor nonconsumptive services to humans. Therefore, given a…Publication Date 2005
- Irreversible state
- Markov chain
- range management
- uncertainty
- rangelands
- management
- rangeland condition
- modelling
- Africa
- Library Collection RecordWe investigated the effects of high biomass yielding winter cover crops, namely grazing vetch (Vicia dasycarpa L.) and oats (Avena sativa L.), on soil phosphorus (P) availability in low fertiliser…Publication Date 2014
- biomass
- pastures
- crops
- phosphorus
- soil nutrients
- plant production
- fertilizer
- Eastern Cape Province
- South Africa
- Library Collection RecordPublic works programs have been posited as win-win solutions for achieving societal goals for ecological restoration and poverty alleviation. However, little is documented regarding the challenges of…Publication Date 2013
- daptive management
- ecological intervention
- Effectiveness
- Failure
- lessons
- organizational design
- pest control
- set-backs
- restoration ecology
- management
- socio-economic aspects
- Alien invasive species
- policy
- South Africa
- Library Collection RecordAbstract. Question: What is the long-term influence of nutrient availability, productivity and soil pH on grassland community organization? Location: Ukulinga research farm, KwaZulu-Natal, South…Publication Date 2005
- Above-ground production
- fertilization
- Hierarchy of limiting nutrients
- Plant trait
- primary productivity
- Soil acidification
- soil pH
- species richness
- soils
- plant production
- grasslands
- soil nutrients
- ecosystem ecology
- Africa
- Library Collection RecordQuestions: What are the patterns of remotely sensed vegetation phenology, including their inter-annual variability, across South Africa? What are the phenological attributes that contribute most to…Publication Date 2011
- Phytosociology
- AVHRR
- Biomes
- NDVI
- net primary production
- phenology
- Regression tree
- vegetation mapping
- mapping
- remote sensing
- plant production
- rainfall
- diversity
- South Africa
- Library Collection RecordAbstract. Disturbance may be an important determinant of plant community composition and diversity owing to its effects on competitive interactions, resources, dominance and vigour. The effect of…Publication Date 2004
- competition
- fire
- light
- litter
- Soil desiccation
- species richness
- fire ecology
- grasslands
- ecosystem ecology
- management
- Africa
- Library Collection RecordAbstract. Tendency to crust is a potentially useful index for assessing soil degradation and for assisting land use planning in South Africa. In this study, the influence of land use, geology and…Publication Date 2004
- Crusting
- dispersible clay
- erosion
- land use
- soil degradation
- vegetation cover
- degradation
- management
- policies
- ecology
- fire
- Soil Condition
- 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 RecordAtmospheric CO2 has more than doubled since the last glacial maximum (LGM) and could double again within this century, largely due to anthropogenic activity. It has been suggested that low [CO2]…Publication Date 2010
- elevated CO2
- fire
- Last Glacial Maximum
- Root
- savanna
- starch
- carbon dioxide
- climate change
- grasslands
- fire ecology
- elevated CO2
- management
- plant autecology
- plant community ecology
- plant production
- Africa
- Library Collection RecordAbstract Fire is a key ecological process in several biomes worldwide. Although many conservation agencies have the protection of biodiversity as at least one of their major goals, information on the…Publication Date 2003
- Conservation management
- experimental design
- Fynbos
- grassland
- savanna
- fire ecology
- conservation
- management
- Africa
- Library Collection RecordABSTRACT Most national or regional initiatives aimed at managing biological invasions lack objective protocols for prioritizing invasive species and areas based on likely future dimensions of spread…Publication Date 2004
- Bioclimatic modelling
- biological invasions
- Mahalanobis distance
- predictive models
- spatial distribution
- Working for Water programme
- climate
- mapping
- Alien invasive species
- management
- Africa
- Library Collection Record1. Grazing lawns are short grassland areas where intense grazing maintains grass in an early growth stage. These areas represent a source of high-quality forage for herbivores. However, as herbivores…Publication Date 2010
- grazing
- grasslands
- management
- plant production
- savanna
- vegetation dynamics
- climatic variability
- continuous stocking
- grazing systems
- intensively managed grasslands
- large herbivores
- primary production
- rainfall
- white rhino
- South Africa
- Library Collection Record1. Up to 73% of the world s rangelands are degraded, and increasing demand for meat in developing countries and a growing human population are likely to exert even greater pressures on rangelands in…Publication Date 2010
- restoration ecology
- stocking rates
- grazing
- rangelands
- rainfall
- management
- ecosystem ecology
- vegetation dynamics
- South Africa
- Library Collection RecordAbstract The main factors affecting the abundance and composition of the invertebrate fauna in grassland are reviewed. Old grasslands with species-rich swards and complex structure support an…Publication Date 1987
- grasslands
- biodiversity
- soils
- ecosystem ecology
- management
- Pesticides
- Africa
- Library Collection RecordPredicting the probability of successful establishment of plant species by matching climatic variables has considerable potential for incorporation in early warning systems for the management of…Publication Date 2005
- Bioclimatic modelling
- biological invasions
- exotic species
- Invasive alien species
- plant invasions
- prediction
- propagule pressure
- risk assessment
- management
- Alien invasive species
- hazard assessment
- modelling
- biodiversity
- mapping
- climate
- ecosystems
- Africa
- Library Collection RecordLand used for agricultural production can contribute significantly to greenhouse gas (GHG) emissions; however, there is very little information on the role of management and land use change in…Publication Date 2010
- management
- climate change
- carbon dioxide
- greenhouse gases
- grasslands
- pasture management
- Africa
- Library Collection RecordSoil restoration is a means of combating desertification in semi-arid and arid parts of the world. There, vast areas of the cropped soil degrade, particularly because of the loss of organic matter.…Publication Date 2010
- carbon sequestration
- grasslands
- pasture management
- soil organic carbon
- management
- restoration ecology
- soils
- degradation
- South Africa
- Library Collection RecordSummary Agriculture has claimed a large share of terrestrial environments in the tropics and subtropics through cultivation of native grasslands or forests. The impact of this anthropogenic change on…Publication Date 2005
- agriculture
- Soil Condition
- grasslands
- land use
- degradation
- management
- Sulphur
- Africa
- Library Collection RecordProtected areas constitute strategy for biodiversity conservation. Unfortunately, these sanctuaries of biodiversity are submitted to a high human pressure in Togo. This study carried out in the Alé…Publication Date 2012
- vegetation
- diversity
- Pressure
- management
- Togo
- 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 RecordInvasive plants have invaded swathes of grasslands in Lake Nakuru National Park thus necessitating the Park management to institute measures to control them. Despite this, information on the status…Publication Date 2010
- biomass
- crude protein
- density
- forage
- grasslands
- invasive plants
- management
- ecosystem ecology
- Forage Quantity
- forage quality
- Kenya
- Africa
- Library Collection RecordAbstract Grazing is one of the key processes in terrestrial ecosystems and this can be provided by both indigenous and domestic ungulates. However, a question remains whether or not traditional forms…Publication Date 2010
- biodiversity
- dung beetles
- grazing
- land use
- indicator species
- livestock
- insects
- management
- conservation
- Vaalbos National Park
- South Africa
- Library Collection RecordThe interaction, both above and belowground, between tree saplings and the surrounding grass sward is dependent on solar radiation, temperature, rainfall, soil depth, tree species and sward…Publication Date 2014
- vegetation dynamics
- encroachment
- management
- Aboveground competition
- belowground competition
- Bush encroachment
- savanna
- soil depth
- Ukulinga Research Farm
- Pietermaritzburg
- South Africa
- Library Collection RecordVetch species (Vicia narbonensis, V. sativa and V. villosa) are widely used for fodder production in Tunisia. This study aims to investigate vetch strategies involved in drought resistance through…Publication Date 2014
- drought
- Fodder
- management
- plant production
- water stress
- vetch species
- growth
- water relations
- stomatal conductance
- proline
- Tunisia
- Africa
- Library Collection RecordQuestion The co-existence of woody plants and grasses characterize savannas, with the horizontal and vertical spatial arrangement of trees creating a heterogeneous biotic environment. To understand…Publication Date 2014
- Carnegie Airborne Observatory
- heterogeneity
- LiDAR
- Object-based image classification
- vegetation structure
- woody vegetation
- savanna
- remote sensing
- biodiversity
- conservation
- mapping
- management
- monitoring
- vegetation analysis
- Sabi Sand Wildtuin and Kruger National Park
- Mpumalanga province
- South Africa
- Library Collection RecordQuestions What are the characteristics of soil seed banks in highly endangered renosterveld vegetation and adjacent degraded sites? What is the contribution of the soil seed bank to restoring…Publication Date 2013
- ecology
- soils
- seed bank
- degradation
- agriculture
- fire ecology
- management
- restoration ecology
- Alien invasive species
- indigenous vegetation
- wartland Shale Renosterveld
- Cape Floristic Region
- South Africa
- Library Collection RecordSavannahs are widespread vegetation type in Sudanian zone of Africa. As protected areas are often assumed to be the best way to conserve biodiversity, we assessed the effectiveness of the Pendjari…Publication Date 2013
- conservation
- diversity
- savannah
- Structure
- Woody Species
- management
- ecosystem ecology
- Africa
- Library Collection RecordLarge mammalian herbivores are well recognized to play important roles in regulating woody cover and biomass in savannas, but the extent to which browsing ungulates are capable of regulating woody…Publication Date 2013
- browsing
- dik-dik
- elephant
- mortality
- plant-herbivore interactions
- recruitment
- shrub encroachment
- top-down control
- ecosystem ecology
- savanna
- biomass
- Plant Productivity
- management
- 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 RecordHierarchical classification based on proportional species composition of the grass layer was used to identify and classify semi-arid rangeland into range types. The relation between range types…Publication Date 1994
- rangelands
- classification
- savanna
- grasslands
- monitoring
- management
- Africa
- Library Collection RecordTeff (Eragrostis tef (Zucc.) Trotter) is a major food crop in Ethiopia and Eritrea. It is well adapted to Vertisols. Yields are low (around 1000 ‰kg/ha) despite fertilization with urea and…Publication Date 2011
- agriculture
- grasslands
- soicio-economic aspects
- food security
- fertilizer
- soil fertility
- zinc
- management
- Ethiopia
- Africa
- Library Collection RecordWind erosion is a major contributor to desertification in the Sahel. Although three effective countermeasures for wind erosion (i.e. ridging, mulching with post-harvest crop residue, and windbreaks)…Publication Date 2011
- erosion
- desertification
- Sahel
- desert grasslands
- management
- soil fertility
- agriculture
- rainfall
- Soil Condition
- Sahel
- West Africa
- Library Collection RecordSummary In savannas, degrading trends such as increasing woody cover are caused by livestock ranging. Hence, identifying sustainable utilisation intensities is crucial for range management. However,…Publication Date 2000
- ungulate herbivory
- semiarid rangelands
- degradation
- shrub encroachment
- savanna vegetation
- savanna
- sustainability
- management
- rangelands
- vegetation dynamics
- plant production
- animal production
- Africa
- Library Collection RecordAbstract Aims To identify approaches to improve our understanding of, and predictive capability for, mixed tree–grass systems. Elucidation of the interactions, dynamics and determinants, and…Publication Date 2003
- Coexistence
- competition
- facilitation
- modelling
- primary production
- savanna
- shrubland
- grasslands
- rangelands
- tree–grass ratios
- ecosystem dynamics
- management
- Africa
- Library Collection RecordAbstract The effects of intensive commercial livestock farming on the distribution and habitat use of the redwing francolin, Francolinus levaillantii, was investigated to identify habitat constraints…Publication Date 2000
- grasslands
- habitat
- home range
- redwing francolin
- agriculture
- ecology
- management
- fire
- birds
- Africa
- Library Collection RecordA sampling system was devised and used from 1992 to 1996 in annual grassland and open woodland of the south-west Kenyan Rift Valley. The monitoring was designed to detect vegetation changes…Publication Date 2000
- range assessment
- savanna
- transect
- vegetation
- woodland
- ecosystem ecology
- land-use
- management
- rangeland condition
- monitoring
- livestock
- Africa
- Library Collection RecordSummary * 1The influence of botanical composition on annual phytomass production of a semi-arid grassland in response to precipitation was tested with a 19-year experiment. Three compositional states…Publication Date 2001
- basal cover
- biodiversity
- plant production
- precipitation-use efficiency
- rainfall
- grasslands
- rangeland condition
- modelling
- runoff
- Africa
- 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 RecordAerial photographs are a type of remote sensing data that are especially valuable for rangeland applications. Advantages of these data include relative ease of interpretation and acquisition,…Publication Date 2003
- remote sensing
- Aerial Photographs
- rangeland condition
- management
- Africa
- Library Collection RecordEffects of extreme livestock pressure on the abundance and distribution of a drought-deciduous shrub Sericocomopsis pallida, and effects of the shrub canopy on microclimate, soil fertility and grass…Publication Date 1989
- livestock
- ecology
- grasslands
- drought
- plant autecology
- plant production
- plant community ecology
- soils
- savanna
- soil nutrients
- Africa
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