Read more about the article Alien scarlet bottlebrush makes itself at home on Devils Peak
Chelsey Matthys

Alien scarlet bottlebrush makes itself at home on Devils Peak

C∙I∙B student, Chelsey Matthys, and C∙I∙B Associate, Sjirk Geerts (based at Cape Peninsula University of Technology), together with colleagues documented the first detailed assessment of the distribution and invasive potential of scarlet bottlebrush (Melaleuca rugulosa) in South Africa.

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The status of alien bamboos in South Africa

Bamboos have caused widespread damaging invasions in many regions of the world. In South Africa, despite a long-history of introduction, little is known on the bamboo species currently present and their invasion history.

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Read more about the article Impacts of snails and slugs as alien species
The African giant land snail (Achatina fulica) is one of the most devastating snails globally as it has decimated native snails on islands. It has not been reported as alien in South Africa to this date, but it is common in the pet trade. (Photo credit: By Thomas Brown [CC BY 2.0 (https://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons)]

Impacts of snails and slugs as alien species

Even though snails and slugs (gastropods) are some well-known agricultural pests, environmental systems are more vulnerable to alien gastropod impacts. A recent study by C·I·B Hons student, David Kesner and C·I·B Core Team Member, Dr Sabrina Kumschick, at Stellenbosch University on this topic was published in the journal Ecology and Evolution.

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Read more about the article New insights on risks associated with key stages in biological invasions
Percent of qualitative/semi-quantitative (a) and quantitative (b) risk assessments considering the different stages of the invasion process, split into models containing different numbers of TEASI components (Transport, Establishment, Abundance, Spread, Impact).

New insights on risks associated with key stages in biological invasions

The human-mediated movement of species around the world has added several layers of complexity to the management of ecosystems. Once alien species are established in a new region they are extremely difficult or impossible to eradicate, and control is expensive and often ineffective.

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