Rangeland Ecology & Management
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- Library Collection RecordSummary 10.1002/9780470292136.ch7.abs This chapter contains sections titled: * Objectives for This Chapter * Introduction * Defining Biodiversity * The Economic Value of Biodiversity * Threats to…Publication Date 2008
- biodiversity
- wildlife conservation
- ecosystem
- habitat destruction
- invasive species
- conservation
- ecosystem ecology
- Alien invasive species
- indigenous encroaching species
- southern Africa
- Library Collection RecordThe ecology of clonal species has rarely been studied in savannas. Dichrostachys cinerea, a common invasive shrub in southern African savannas, forms root suckers. This paper examines the effect of…Publication Date 2007
- Alien invasive species
- plant autecology
- grasslands
- Africa
- Library Collection RecordAbstract Question: Do anthropogenic activities facilitate the distribution of exotic plants along steep altitudinal gradients? Location: Sani Pass road, Grassland biome, South Africa. Methods: On…Publication Date 2008
- Alien
- dispersal
- disturbance
- Gradient analysis
- grasslands
- Multivariate
- spatial analysis
- transect
- Germishuizen & Meyer (2003)
- Alien invasive species
- rehabilitation
- restoration ecology
- management
- biodiversity
- seed banks
- vegetation dynamics
- Africa
- Library Collection RecordABSTRACT Prevention is the best way to slow the escalation of problems associated with biological invasions. Screening of potential introductions is widely applied for assessing the risk of species…Publication Date 2007
- biological invasions
- climate matching
- homoclime analysis
- invasive species
- niche-based modelling
- prediction
- risk assessment
- Alien invasive species
- Africa
- Library Collection RecordUsing new tools (boosted regression trees) in predictive biogeography, with extensive spatial 23 distribution data for >19 000 species, we developed predictive models for South African plant…Publication Date 2006
- modelling
- species richness
- ecosystem ecology
- Alien invasive species
- grasslands
- Africa
- Library Collection RecordThis paper reviews the results of recent research on riparian vegetation recovery following the clearance of invasive alien plants. In Fynbos, Grassland and Savanna Biomes, riparian ecosystems were…Publication Date 2008
- Alien vegetation control
- fire
- Fynbos
- grassland
- biological invasions
- restoration
- riparian ecosystems
- savanna
- seed banks
- Alien invasive species
- management
- restoration ecology
- ecosystem ecology
- ecosystem services
- Africa
- Library Collection RecordIn 1998, a restoration field trial was initiated in a catchment near Wellington (Western Cape, South Africa) to determine whether fynbos riparian scrub vegetation cleared of woody invasive alien…Publication Date 2008
- biological invasions
- fire
- Follow-up treatment
- management
- restoration ecology
- Alien invasive species
- seeds
- biodiversity
- Africa
- Library Collection RecordRecovery of indigenous species subsequent to the clearing of invasive alien plants (IAPs) is crucial for ecosystem recovery to occur. However, cleared sites are often just left in the hope that…Publication Date 2008
- biological invasions
- Ecosystem repair
- exotic plants
- diversity
- resilience
- restoration
- Working for Water
- Alien invasive species
- ecosystem dynamics
- monitoring
- restoration ecology
- management
- Africa
- Library Collection RecordWorking for Water forms part of the Expanded Public Works Programme of the South African Government, aimed at the sustainable management of natural resources through the control and management of…Publication Date 2008
- Clearing unit reference values
- costs
- invasive alien plants
- net present value
- Person days
- riparian
- WIMS
- Workload
- Alien invasive species
- Economic Aspects
- management
- socio-economic aspects
- Africa
- Library Collection RecordSolanum mauritianum Scopoli (Solanaceae; 'bugweed') is a major weed of natural vegetation and plantations in the eastern higher rainfall regions of South Africa. This study assessed the…Publication Date 2008
- Ecosystem repair
- integrated control
- non-native species
- restoration ecology
- weed management
- Working for Water
- Alien invasive species
- ecosystem ecology
- hydrology
- grasslands
- savanna
- herbicides
- seed banks
- germination
- Africa
- Library Collection RecordRiparian zones are complex disturbance-mediated systems that are highly susceptible to invasion by alien plants. They are prioritized in most alien-plant management initiatives in South Africa. The…Publication Date 2008
- biological invasions
- Community recovery
- invasive alien plants
- restoration ecology
- Soil-stored seeds
- species assemblages
- seed banks
- Alien invasive species
- disturbance
- Africa
- Library Collection RecordNo abstract availablePublication Date 2008
- biodiversity
- grasslands
- Alien invasive species
- Africa
- Library Collection RecordNo abstract availablePublication Date 2007
- seed banks
- Alien invasive species
- Africa
- Library Collection RecordCactoblastis cactorum, a phycitid moth, has been used with considerable success as a biological control agent against several different cactus species in many parts of the world, including Opuntia…Publication Date 2007
- Alien invader
- biological control
- Canonical Community Analysis
- weed
- Alien invasive species
- Africa
- Library Collection RecordOpuntia stricta (Cactaceae), an alien weed, has invaded an area of more than 35 000 ha in the Skukuza region of the Kruger National Park [KNP]. The distribution of the plant and features of the…Publication Date 2007
- Alien invader
- Cactoblastis cactorum
- Canonical Community Analysis
- Environmental correlates
- weed
- Alien invasive species
- Africa
- Library Collection RecordDespite impressive efforts at clearing stands of invasive Australian Acacia species in South Africa, insufficient attention has been given to understanding the role of seed banks in the invasiveness…Publication Date 2008
- biological control
- biological invasions
- exotic species
- Invasive alien species
- Fabaceae
- restoration ecology
- seed banks
- Alien invasive species
- Africa
- Library Collection RecordThis paper reports an assessment of the current and potential impacts of invasive alien plants on selected ecosystem services in South Africa. We used data on the current and potential future…Publication Date 2008
- biodiversity
- Fynbos
- grassland
- grazing
- groundwater
- hydrology
- Karoo
- savanna
- water yield
- Alien invasive species
- ecosystem services
- Africa
- Library Collection RecordPlant invasions are a serious threat to natural and semi-natural ecosystems worldwide. Most management-orientated research on invasions focuses on invaders that are already widespread and often have…Publication Date 2007
- biological invasions
- invasive alien plants
- Emerging plant invaders
- Bioclimatic modelling
- Potential distribution
- Alien invasive species
- biodiversity
- landscape ecology
- management
- modelling
- Africa
- Library Collection RecordInvasion of ecosystems by woody alien plant species is a widespread phenomenon. Interspecific competition has often been suggested as a mechanism for replacement of one species by another, but this…Publication Date 2008
- biological invasions
- Coefficient of tree symmetry (TS)
- shade
- Symmetry technique
- Woodland structure
- savanna
- Alien invasive species
- ecosystem ecology
- ecosystem dynamics
- Phytosociology
- Africa
- Library Collection RecordEpidermal conductance (gmin) is water lost through the cuticle and stomata of plants when stomatal conductance is minimal. Low gmin may affect survival of perennial grasses by maintaining tissue…Publication Date 2006
- Cuticular transpiration
- Drought Resistance
- grasslands
- drought
- plant autecology
- Alien invasive species
- 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 reports on the development and testing of a simulation model to assess the impacts of two seed-feeding biological control agents on the dispersal of an invasive perennial tree, Hakea…Publication Date 2008
- Hakea sericea
- South Africa
- biological control
- population dynamics
- seed dispersal
- Weibull distribution
- fire frequency
- seed banks
- Alien invasive species
- fire
- modelling
- Africa
- Library Collection RecordA payments for ecosystem services (PES) system came about in South Africa with the establishment of the government-funded Working for Water (WfW) programme that clears mountain catchments and…Publication Date 2008
- Working for Water
- Payment mechanisms
- ecosystem services
- water supply
- Poverty relief
- Poverty
- Alien invasive species
- fire
- plant production
- biodiversity
- hydrology
- vegetation dynamics
- Economic Aspects
- Africa
- Library Collection RecordClimate matching can assist in exploration for biological control agents to control invasive organisms, especially when the native range of the target organism is broad, and control is required in a…Publication Date 2008
- Agent selection
- biological control
- Chromolaena odorata
- climate matching
- CLIMEX
- FloraMap
- Invasive alien species
- modelling
- Alien invasive species
- management
- decision support systems
- Africa
- Library Collection RecordAnts are increasingly being recognized as useful tools for land managers to monitor ecosystem conditions. However, despite an abundance of studies on ant responses to both environmental disturbance…Publication Date 2006
- climate change
- conservation
- indicator
- invasive
- restoration ecology
- Surrogate
- insects
- Ants
- monitoring
- management
- Alien invasive species
- ecosystem dynamics
- Africa
- Library Collection RecordNo abstract availablePublication Date 2007
- Alien invasive species
- Africa
- Library Collection RecordMany introduced plant species rely on mutualisms in their new habitats to overcome barriers to establishment and to become naturalized and, in some cases, invasive. Mutualisms involving animal-…Publication Date 2000
- Alien invasive species
- seeds
- ecosystem ecology
- Africa
- Library Collection RecordPsidium guajava (guava) is recognised as the third most important invasive alien plant species in the moist savanna biome of South Africa, Lesotho and Swaziland. The cost of initial clearing of alien…Publication Date 2011
- Alien plant control
- herbicides
- picloram
- fluroxypyr
- bromacil
- tebuthiuron
- imzapyr
- guava
- economics
- invasive plants
- Alien invasive species
- Economic Aspects
- herbicides
- Swaziland
- Africa
- Library Collection RecordThe South African government, as part of its efforts to mitigate the effects of the ongoing energy crisis, has proposed that biofuels should form an important part of the country's energy supply…Publication Date 2011
- biodiversity
- Alien invasive species
- land use
- management
- policies
- biofuels
- South Africa
- Library Collection RecordQuantification of the short-term impact of burning in terms of the encroacher shrub Seriphium plumosum and grass tuft mortality, seed germination of the shrub (field and seed bank), aboveground…Publication Date 2011
- bankrupt bush
- mortality
- seed germination
- slangbos
- Stoebe vulgaris
- Seriphium plumosum
- Alien invasive species
- germination
- seed banks
- grassland
- plant production
- seedlings
- fire ecology
- Thaba Nchu
- South Africa
- Library Collection RecordInvasive species in Africa have important impacts on food security and biodiversity conservation. African floodplains in arid areas are critical wildlife habitats in addition to crop production and…Publication Date 2011
- dispersers
- habitat
- shifting cultivation
- wildlife
- Alien invasive species
- seeds
- seedlings
- livestock
- game
- conservation
- old lands
- ecosystem ecology
- Tana River
- Kenya
- 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 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 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 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. 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 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 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 RecordHerbaceous and woody alien plants visible from a moving vehicle were recorded along 1 km roadside transects at 5 km intervals over a distance of 5869 km in the semi-arid and arid Fynbos, Succulent…Publication Date 1998
- Alien invasive species
- rainfall
- ecosystem ecology
- soil classification
- land use
- savanna
- grasslands
- biodiversity
- Phytosociology
- Africa
- Library Collection RecordMajor problems are experienced in South Africa due to the invasion of non-indigenous or alien species of terrestrial plants in several catchments. Alien invaders are estimated to use approximately 6,…Publication Date 2000
- Alien invasive species
- hydrology
- drought
- management
- Africa
- Library Collection RecordInvasive alien plants are consumptive water-users, and may have reduced river flows in South Africa by about 6.7% according to a broad-scale study. An effective programme to bring the invasions under…Publication Date 2002
- Invasions
- Resource Economics
- forestry
- Commercial plantations
- Catchment management
- Alien invasive species
- Economic Aspects
- management
- Africa
- Library Collection RecordThe development and application of an expert system is described for screening alien woody plants for their invasive potential in South African fynbos. The system is proposed for use by potential…Publication Date 1995
- biological invasions
- risk assessment
- expert systems
- Banksia
- Pinus
- Alien invasive species
- Africa
- Library Collection RecordEnvironmental weeds are an escalating problem worldwide. Integrated control is unable to keep up with the demands for management strategies for existing and new, potentially invasive plant species.…Publication Date 1998
- Environmental weeds
- management
- Priority areas
- surveys
- integrated control
- rehabilitation
- Weeds
- Alien invasive species
- ecosystem ecology
- conservation
- Africa
- Library Collection RecordOver 120,000 non-native species of plants, animals and microbes have invaded the United States, United Kingdom, Australia, South Africa, India, and Brazil, and many have caused major economic losses…Publication Date 2001
- plants
- animals
- Alien
- economic
- ecology
- environment
- agriculture
- Non-indigenous
- Alien invasive species
- Economic Aspects
- Africa
- Library Collection RecordThe grass Agrostis stolonifera L. is the most successful introduced vascular plant at sub-Antarctic Marion Island. Since its accidental introduction, probably in the 1950s, it has spread over the…Publication Date 1998
- Sub-Antarctic
- introduced plants
- Soil fauna
- species richness
- conservation
- Alien invasive species
- biodiversity
- ecology
- Africa
- Library Collection RecordIn the savanna biome of southern Africa, introduced mesquite species have transformed at least 200,000 ha in the northern Cape Province of South Africa and could have a significant effect on insect…Publication Date 1996
- mesquite
- invasive plant
- Bush encroachment
- Scarabaeidae
- rare species
- savanna
- Alien invasive species
- insects
- management
- ecosystem ecology
- Africa
- Library Collection RecordThis study investigates the practical and financial implications of alternative strategies for meeting explicit conservation goals on the Agulhas Plain, South Africa. This is an area of exceptional…Publication Date 2003
- conservation planning
- off-reserve conservation
- Protected area network
- incentives
- Economic Aspects
- conservation
- biodiversity
- Alien invasive species
- agriculture
- land use
- management
- legislation
- Africa
- Library Collection RecordAbstract The knowledge of relative performance of plants across environmental gradients is critical for their effective management and for understanding future range expansion. Pennisetum setaceum is…Publication Date 2014
- Alien grass
- Ecological invasions
- competition
- disturbance
- Seedling translocation
- Transplant experiment
- Alien invasive species
- management
- grasslands
- savanna
- ecosystem ecology
- restoration ecology
- South Africa
- Library Collection RecordFour plant functional types (PFTs) were used to compare the vegetation structure of an alien-invaded Acacia nilotica savanna with one of negligible invasions. Heights, canopy covers and species…Publication Date 2010
- alien plants
- canopy cover
- composition
- physiognomy
- plant functional types
- plant height
- species richness
- savanna
- Alien invasive species
- vegetation dynamics
- KwaZulu-Natal
- South Africa
- Library Collection RecordWe present the first detailed survey of a population of Acacia paradoxa DC. (syn. Acacia armata R.Br.), Kangaroo Thorn, in South Africa. The species is listed under the Conservation of Agricultural…Publication Date 2009
- biological invasions
- Early detection
- Emerging invader
- invasive alien plants
- Alien invasive species
- seeds
- restoration ecology
- conservation
- South Africa