A paper published in the journal Biological Control showed that flower-feeding weevils can be effective biocontrol agents by reducing the number of flowers, fruits and seeds that the invasive tree Bugweed (Solanum mauritianum) produce.
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31 March 2017
Silver wattle (Acacia dealbata) thickets along a road in Kwazulu-Natal, South Africa. (Photo credit: Heidi Hirsch)
A recent paper led by C·I·B post-doctoral fellow Heidi Hirsch highlights how uncertainty about the taxonomy can impact inferences in invasion ecology, using the Australian silver wattle (Acacia dealbata) as a case study.
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22 March 2017
Dr Jeremy Shelton (C·I·B post-doc) and Lesley Bloy (C·I·B MSc student) sampling fish species (Photo credit: Olaf Weyl)
Habitat modification, pollution and alien fishes are among the greatest threats to South Africa’s freshwater biodiversity. Alien fish impact is primarily through predation on, and/or competition with, native fishes, invertebrate and plant communities.
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24 February 2017
Dense stands of Siam weed (Chromolaena odorara) in Tanzania (Photo by Arne Witt)
Findings from a paper by a C·I·B post-doctoral fellow, Ross Shackleton, highlight how a recent invader, Siam weed (Chromolaena odorara), has significant negative impacts on the livelihoods of local communities and the environment in Tanzania.
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6 February 2017
Managers, researchers and students in the field at Blaauwberg Nature Reserve (Photo credit: Elrike Marais)