Rangeland Ecology & Management
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- 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 RecordPredicting the effect of different management strategies on range condition is a challenge for farmers in highly variable environments. A model that explains how the relations between rainfall,…Publication Date 2010
- catastrophe theory
- complexity theory
- Disequilibrium
- hysteresis
- moving attractors
- vegetation dynamics
- livestock
- rainfall
- rangelands
- mangement
- rangeland condition
- modelling
- ecosystem ecology
- stocking rate
- South Africa
- Library Collection RecordThe Great Fish River Reserve (GFRR), in the Eastern Cape, has proved to be particularly suitable for the black rhinoceros that have been introduced over the past 20 years. In captivity, these animals…Publication Date 2010
- black rhinoceros
- Browse Species
- diet
- ABTS
- DPPH
- FRAP
- Folin-Ciocalteau
- disease
- diet selection
- ecosystem ecology
- national parks
- Africa
- Library Collection RecordTo proffer a sustainable solution to rangeland degradation, an understanding of the innate soil properties is vital. This study investigated the relative association of surface (0-20 cm) soil…Publication Date 2010
- communal rangelands
- rangeland
- soil properties
- toposequence
- Vegetation Type
- rangeland
- degradation
- soil organic carbon
- vegetation ecology
- Eastern Cape
- South Africa
- Library Collection RecordThe long-term establishment sequence of the woody component of the Sourish Mixed Bushveld of the Limpopo province was studied and documented. Vegetation surveys were conducted at a protected site at…Publication Date 2010
- Bush encroachment
- tree density
- tree sucession
- ecosystem ecology
- Limpopo
- South Africa
- Library Collection RecordThe reliability of a field test kit for the detection and the persistence of Synergistes jonesii bacteria in sheep was investigated in two trials for 12 months. The test kit consisted of a culture…Publication Date 2010
- DHP-degrading bacteria
- dihydroxypyridine
- mimosine
- diagnostic kits
- sheep
- drought
- forage quality
- disease
- South Africa
- 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 RecordSeriphium plumosum encroachment in South Africa has converted extensive areas of grassland into less productive shrubland-grassland. In addition to its competitive ability, it is hypothesised that…Publication Date 2010
- allelopathy
- seed ecology
- germination
- indigenous encroaching species
- Seriphium plumosum
- bankrupt bush
- slangbos
- toxin
- Stoebe vulgaris
- vaalbos
- grassland
- restoration ecology
- 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 RecordWe investigated the indirect influence of mammalian herbivores on invertebrates, by utilising long-term mammalian herbivore exclosures in Kruger National Park. The exclosures span three distinct…Publication Date 2010
- herbivores
- invertebrates
- Vegetation Change
- national parks
- ecosystem ecology
- Ants
- Beetles
- Elephants
- savanna
- spiders
- Kruger National Park
- 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 RecordCommunal rangelands have a wide range of vegetation communities that sustain livestock. Limited information exists on forage availability and quality in communal areas and how it influences Nguni…Publication Date 2010
- biomass
- bite size
- foraging behaviour
- Nguni
- communal farming
- livestock
- sheep
- KwaZulu-Natal
- South Africa
- Library Collection RecordThe effects of grazing on plant biomass, plant quality, species evenness, species diversity and species composition were determined among management types (communal, commercial and game) and among…Publication Date 2010
- grazing
- herbivory
- plant biomass
- plant quality
- rangeland management
- savanna
- species richness
- species diversity
- communal farming
- commercial agriculture
- game farming
- forage quality
- grazing
- South Africa
- Library Collection RecordAbstract Soil-stored seed banks of grassland, fynbos and thicket, all growing on calcareous dunes and each subject to different disturbance regimes, were examined. Seed banks were determined from…Publication Date 1991
- Fynbos
- grasslands
- ordination
- South Africa
- succession
- Thicket
- Bond & Goldblatt (1984)
- seed banks
- germination
- disturbance
- biodiversity
- Africa
- Library Collection RecordSavanna-grassland ecosystems are highly interactive due to effects among interconnected trophic elements. This can cause disturbance at one level in the trophic web to be propagated through that web…Publication Date 1992
- browsing
- grazing
- rinderpest
- Serengeti
- savanna
- disturbance
- disease
- animal impact
- ecosystem ecology
- Africa
- Library Collection RecordTrait-based community assembly theory suggests that trait variation among co-occurring species is shaped by two main processes: abiotic filtering, important in stressful environments and promoting…Publication Date 2012
- abiotic filtering
- bottom-up control
- community assembly
- competition
- functional diversity
- grasses
- grasshoppers
- herbivores
- savannas
- top-down control
- trait dispersion
- trophic interactions
- South Africa
- Library Collection RecordSubantarctic islands form ideal sentinels to climate change. These islands support terrestrial and marine ecosystems that are relatively simple and extremely sensitive to perturbations.1 They provide…Publication Date 2014
- Prince Edward Islands
- Subantarctic Front
- Antarctic Circumpolar Current
- climate change
- oceanography
- ecosystem ecology
- Prince Edward Islands
- South 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 Objectives: To (1) assess the strength of evidence for the role of termites in vegetation heterogeneity in African savannas, and (2) identify the mechanisms by which termites induce such…Publication Date 2010
- Banded vegetation
- Bush encroachment
- desertification
- Fertility islands
- fire
- herbivory
- Spotted vegetation
- savanna
- Ants
- invertebrates
- Termites
- ecosystem ecology
- 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 Do Acacia tortilis trees facilitate herbaceous species development under arid conditions? Do tree–herb interactions change with water stress and grazing intensity? Location National Park…Publication Date 2012
- Arid Areas
- Acacia tortilis subsp. raddiana
- grazing
- Herb composition
- microclimate
- Soil enrichment
- water stress
- water availability
- savanna
- drought
- rainfall
- ecosystem ecology
- North Africa
- Library Collection RecordQuestionsHow does heavy grazing change plant community structure, composition and species richness and diversity in an ecotone between grassland and semi-arid shrub steppe-type vegetation? Does…Publication Date 2012
- South 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. Various attempts have been made to describe and map the vegetation of southern Africa with recent efforts having an increasingly ecologi cal context. Vegetation classification is usually…Publication Date 2004
- biome
- GIS
- NDVI
- satellite imagery
- Time series analysis
- Vegetation classification
- remote sensing
- mapping
- ecology
- ecosystem ecology
- 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 RecordSavannah ecosystems exhibit constant transitions between states dominated by trees and states dominated by a combination of trees and grasses. Transitions between these states are driven by…Publication Date 2012
- Antelope
- habitat management
- herbivore
- herbivory
- savannah ecology
- South Africa
- Library Collection RecordAbstract Aim Evidence is accumulating of a general increase in woody cover of many savanna regions of the world. Little is known about the consequences of this widespread and fundamental ecosystem…Publication Date 2009
- Biome shift
- Bush encroachment
- global change
- Land cover change
- landscape heterogeneity
- savanna
- biodiversity
- birds
- ecosystem ecology
- species richness
- vegetation dynamics
- South Africa
- Library Collection RecordThe factors that affect resource selection by a foraging herbivore can vary according to the resources or conditions associated with particular levels of organization in the environment, and to the…Publication Date 2012
- bushveld savanna
- forage selection
- foraging behaviour
- foraging hierarchy
- South 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 coastal grasslands in north-eastern South Africa are a severely threatened vegetation type rich in plant species, particularly forbs. Many of the forbs have underground storage organs which allow…Publication Date 2011
- C4 grassland
- forb
- persistence
- pine afforestation
- resprouters
- restoration
- conservation
- diversity
- species richness
- fire ecology
- South Africa
- Library Collection RecordNo abstract is available for this article.Publication Date 2010
- biodiversity hot spot
- climate change
- science planning
- biodiversity
- South Africa
- Western Australia
- Library Collection RecordThe Mediterranean climate regions of Western Australia and South Africa are recognized as global hot spots of diversity. Both are threatened by climate changes that are projected to have significant…Publication Date 2010
- approach
- biodiversity
- guideline
- monitoring
- climate change
- rainfall
- South Africa
- Western Australia
- Library Collection RecordInvertebrate diversity is seldom included in conservation assessments, primarily because information is lacking. Broad surveys may be too costly, difficult or ineffective. Here we assess a '…Publication Date 2010
- conservation planning
- inventory
- quantified method
- species accumulation
- temporal effect
- invertebrates
- ecosystem ecology
- savanna
- Africa
- Library Collection RecordIncreasing evidence shows that anthropogenic climate change is affecting biodiversity. Reducing or stabilizing greenhouse gas emissions may slow global warming, but past emissions will continue to…Publication Date 2010
- biodiversity hotspot
- climate change risk assessment
- Mediterranean type ecosystem
- species distribution modelling
- modelling
- climate change
- biodiversity
- greenhouse gases
- conservation
- rainfall
- South Africa
- Library Collection RecordSchinus molle (Peruvian pepper tree) was introduced to South Africa more than 150 years ago and was widely planted, mainly along roads. Only in the last two decades has the species become naturalized…Publication Date 2009
- Alien invasive species
- germination
- seeds
- savanna
- South Africa
- Library Collection RecordFire is a process that shapes the structure and composition of vegetation in many regions. Species in these regions have presumably evolved life-history strategies that allow success in fire-prone…Publication Date 2012
- determinants of plant community diversity and structure
- fire
- growth
- plant functional traits
- savanna
- shifts in abundance
- topkill
- South Africa
- Library Collection Record1.?Treeless grasslands with climates that can support tree growth are common in upland regions around the world. In South Africa, the upland grasslands are adjacent to lowland savannas in many areas…Publication Date 2012
- savanna
- grasslands
- ecosystem ecology
- fire ecology
- day-length
- determinants of plant community diversity and structure
- fire
- frost
- growth rate
- savanna tree phenology
- temperature
- South Africa
- Library Collection Record1. Scaling theory predicts that organisms respond to different scales of resource patchiness in relation to their own size. We tested the hypothesis that the scale of nutrient patchiness mediates…Publication Date 2011
- savanna
- grassland
- ecosystem ecology
- soil nutrients
- fertiliser
- rainfall
- determinants of plant community diversity and structure
- Herbaceous
- heterogeneity
- mopane
- nitrogen
- phosphorous
- soil fertility
- water availability
- woodland
- Klaserie Private Nature Reserve
- South 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. 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. 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. Through their effects on plant communities, herbivores can exert strong direct and indirect effects on savanna ecosystems and have the potential to create and maintain savanna landscape…Publication Date 2010
- grazing
- savanna
- herbivores
- ecosystem ecology
- vegetation dynamics
- cattle
- game
- cattle - wildlife interactions
- ecological legacies
- facilitation
- foraging behaviour
- landscape heterogeneity
- pastoralism
- plant - herbivore interactions
- rangeland
- succession
- 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 RecordAbstract Woody plant increase in grassy biomes has been widely reported over the last century. Increases have been attributed to local drivers associated with land use change, such as heavy grazing…Publication Date 2010
- biome switch
- global drivers
- land use practices
- local drivers
- thicket expansion
- indigenous encroaching species
- grasslands
- grazing
- fire ecology
- carbon dioxide
- Aerial Photographs
- land use
- conservation
- commercial agriculture
- communal farming
- stocking rates
- South Africa
- Library Collection RecordAbstract Recent IPCC projections suggest that Africa will be subject to particularly severe changes in atmospheric conditions. How the vegetation of Africa and particularly the grassland-savanna-…Publication Date 2009
- adaptive vegetation modelling
- aDGVM
- climate change
- demographic model
- DGVM
- fire
- process-based model
- savanna
- vegetation distribution
- grasslands
- modelling
- fire ecology
- disturbance
- carbon dioxide
- ecosystem ecology
- Africa
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