Visit South Africa's official Covid-19 resource portal

Invasive aliens

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

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.