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German wasp | Vespula germanica

German wasp

Vespula germanica

Coral bush | Ardisia crenata

Coral bush

Ardisia crenata

Purple loosestrife | Lythrum salicaria

Purple loosestrife

Lythrum salicaria

Pom pom weed | Campuloclinium macrocephalum

Pom pom weed

Campuloclinium macrocephalum

Canarybird bush | Crotalaria agatiflora

Canarybird bush

Crotalaria agatiflora

Peanut butter cassia | Senna didymobotrya

Peanut butter cassia

Senna didymobotrya

Rubber vine | Cryptostegia grandiflora

Rubber vine

Cryptostegia grandiflora

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Environmental Programmes

In order to tackle our country’s socio-economic challenges, the government adopted the Outcomes based approach to improve government performance and providing focus on service delivery. find out more

Shifting perspectives - alternative management approaches for controlling the spread of silver wattle in communal landscapes

Shifting perspectives - alternative management approaches for controlling the spread of silver wattle in communal landscapes
Nicky McLeod, Sissie Matela, Gerbrand Nel, Sinegugu Zukulu, Wiseman Madlingozi, Nompendulo Mgwali, Bridget Munyantore
Environmental & Rural Solutions (ERS); Conservation SA (CSA) under UCPP network

Invasive silver wattle spread, and regrowth due to inadequate follow up, has outstripped Working for Water’s (WfW) commendable efforts to reduce infestation countrywide.   The WfW wage-incentive alien plant clearing programme has the demonstrated benefits of job creation and tackling infested hectares fairly cost effectively. However, the programme is based on short term externally managed and funded interventions which, when they cease, can leave cleared areas vulnerable to re-infestation and beneficiaries with debt burdens. In an effort to overcome the huge challenges posed by invader regrowth and hiatuses in funding flow, this presentation poses alternative approaches for sustainably tackling alien spread in communal landscapes being explored by civil society groups in the upper Umzimvubu catchment. This involves alternative innovative package of incentives for voluntary groups, who are provided with support to manage hectares along the periphery of wattle jungle where spread threatens grassland, homesteads and arable fields. The target areas are identified for both their location as a buffer to control further spread, as well as accessibility for conversion to productive sites  to  prevent  re-infestation.  It  aims  to  turn  liabilities  (alien-plant  invaded  land)  into  assets: productive sites generating returns though better husbandry and conservation agriculture activities for the groups/households managing that land, while simultaneously providing a buffer zone to control further alien spread.  This presentation outlines potential control techniques as well as incentives, to find ways to ensure that benefits derived from investments made in alien plant clearing are more sustainable and longer lived. It will introduce these concepts, and the associated learnings, successes and dead-ends to date.

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General News Updates

2019 National Symposium on Biological Invasio…


This is your invitation to South Africa's 2019 National Symposium on Biological Invasions. The convention is hosted by the Centre for Invasion Biology (CIB), University of Stellenbosch, and the Biolo... Read more

2019 Invasive Species Training


During the past five years (2014-2018), ISSA invasive species trainers have trained 4 000 in the identification of invasive species and laws pertaining to invasive species across South Africa.  ... Read more

Alien Grass Working Group


Who are we? The South African National Alien Grass Working Group was jointly initiated by the South African Biodiversity Institute (SANBI) and the Centre for Excellence in Invasion Biology (C·I·B) in... Read more

Permits for planting indigenous Cynodon?


On 16 February, 2018, South Africa's Department of Environmental Affairs issued amendments to the regulations and lists relating to the National List of Invasive Species.  Updates to the draft&n... Read more

Invasive species training 2018 dates released


Interested in invasive species?  How much do you know about NEMBA invasive species compliance for landowners and organs of state? The South African Green Industries Council (SAGIC) have released... Read more

Communications post for Africa advertised


The Nature Conservancy has advertised a brand new post:  Communications Manager, Africa Region. Knowledge of invasive species and water would be an asset in this post. See details below:    Job Titl... Read more