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Invasive aliens

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Effect of an intensive mechanical removal effort on a population of non-native rainbow trout in a SA headwater stream.

Invasions by non‐native species can compromise the conservation value of otherwise pristine headwater streams. While both developed and developing countries recognize this threat, few of the latter have suitable budgets to implement control programmes.

Shelton, J., Weyl, O., Van der Walt, J., Marr, S., Impson D., Maciejewski K., Dallas, H., Tye, D. and Esler, K. 2017.

Lesson plan and presentation: Invasive species – youth and adults

Learn all about the problem of invasive species in the Western Cape, the possible solutions, and what CapeNature is doing.

Quantifying errors and omissions in alien species lists The introduction status of Melaleuca species in SA as a case study

NeoBiota 32: 89-105. Jacobs, L.E.O., Richardson, D.M., Lepschi, B.J. and Wilson, J.R.U. 2017.

Rapid recovery of macroinvertebrates in a South African stream treated with rotenone

Bellingan, T.A., Hugo, S., Woodford, D.J., Gouws, J., Villet, M.H. and Weyl, O.L.F. 2019.Hydrobiologia. 2019.

Record of Blue tilapia Oreochromis aureus in the Eerste River catchment Western Cape Province South Africa

African J. Aquatic Sciences pp 187-193. Marr, S.M., Gouws, G., Avlijas, S., Khosa, D., Impson, D., vd Westhuizen, M. and Weyl, O. 2018

Successful mechanical eradication of spotted bass (Micropterus punctulatus) from a South African river

Aquatic Conservation: Marine and Freshwater Ecosystems. Van der Walt, R., Marr, S., Wheeler, M., Impson, D., Garrow, C. and Weyl. O. 2018.

Unexpected survival of sharptooth catfish during acute rotenone toxicity trials will complicate management of invasions.

Biological Invasions. Jordaan, M.S., Dalu, T., Wasserman, R.J., Slabbert, E. and Weyl, O.L.F. 2017.

Video World Environment Day: Ecosystem Restoration with Mbali

Join Mbali as she interviews experts that are involved in ecosystem restoration. Available in English, Afrikaans, isiXhosa and isiZulu.