Read more about the article AC21 Postgraduate course: Invasions Science for society
At a site of habitat restoration, AC21 students look at images of the site before it was restored 12 years ago, and learn about the need for continuing work

AC21 Postgraduate course: Invasions Science for society

Invasive species offer many important challenges to society. Their presence is intrinsically linked to human actions, but their impacts are felt across a wide range of environmental and socio-economic levels.

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Much more than just collisions – roads have wide footprints in arid environments

Drs Richard Dean (DST/NRF Centre of Excellence: Percy FitzPatrick Institute of African Ornithology), Colleen Seymour (South African National Biodiversity Institute), Grant Joseph (University of Venda) and Stefan Foord (C·I·B Core Team Member) reviewed current literature to explore wildlife responses to roads at the arid end of the spectrum.

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How network theory can help understand and predict biological invasions

Understanding and predicting biological invasions is challenging because of the large number and complexity of interacting players. A recent study by a team of international researchers, including former C·I·B post-doctoral associate Wolf-Christian Saul, reviews the findings from network ecology...

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Read more about the article Bugweed biocontrol – weevil thrives in coastal but not inland areas
The flowerbud weevil (Anthonomus santacruzi) destroys the flowers and flower buds of the invasive bugweed (Solanum mauritianum), thereby preventing fruit set and contributing to biological control in climatically suitable areas in South Africa. (Photo credit: Adam Shuttleworth)

Bugweed biocontrol – weevil thrives in coastal but not inland areas

The flowerbud weevil (Anthonomus santacruzi), which was released in South Africa to reduce fruit production by the invasive bugweed (Solanum mauritianum), is thriving in the coastal regions of KwaZulu-Natal but merely ‘hanging in’ in its inland areas.

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