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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

Alien Invasive plant threats to wetlands and riparian areas in the Southern and Eastern Cape

Alien Invasive plant threats to wetlands and riparian areas in the Southern and Eastern Cape
Japie Buckle
Provincial Coordinator: Eastern Cape, Working for Wetlands
South African National Biodiversity Institute
31 Newcombe Ave., Miramar, PE, 6070
E-mail:

Wetlands in the Southern and Eastern Cape are mostly associated with high energy rivers systems that  drain  the  steep  catchments  in  the  area.  Unsustainable  land  management practices  (over burning and over grazing) in these areas often resulted in many degraded catchments and highly impacted and disturbed riparian areas and wetlands which promote the infestation of IAP.

Several well established and emerging weed species are further contributing to the degradation of riparian areas and wetlands. The following invasive plant species will be illustrated and highlighted as major or potentially problematic species which might be considered for biological control in future:

Arundo donax - Giant reed in various river systems in the South-eastern Cape

Rubus spp – Bramble in the North-eastern Cape and TMS rivers

Cortaderia selloana - Pampas grass in the Tsitsikamma area and Langkloof

Acacia spp. - Black and Silver Wattle

Lantana camara - in the Wild Coast but spreading to the south-western part of the Eastern Cape

Salix fragilis – Crack Willow in the North Eastern Cape

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General News Updates

2019 National Symposium on Biological Invasio…

26-02-2019

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

22-01-2019

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

04-09-2018

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?

01-03-2018

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

28-02-2018

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

25-01-2018

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