P. Ashton

Impacts of invasive alien plants on water quality, with particular emphasis on South Africa

D. Maitre, B. V. Wilgen, K. Schachtschneider, 2012 .

Responses of phytoplankton upon exposure to a mixture of acid mine drainage and high levels of nutrient pollution in Lake Loskop, South Africa.

A. Botha, P. Ashton, P. Oberholster, 2010, Ecotoxicology and environmental safety.

Assessment of the effect of nanomaterials on sediment-dwelling invertebrate Chironomus tentans larvae.

W. Focke, A. Botha, N. Musee, 2011, Ecotoxicology and environmental safety.

Implementing integrated catchment management in the Limpopo River Basin Phase 1: Situational assessment

F. Engelbrecht, J. M. Kahinda, E. Kapangaziwiri, 2012 .

The use of remote sensing and molecular markers as early warning indicators of the development of cyanobacterial hyperscum crust and microcystin- producing genotypes in the hypertrophic Lake Hartbeespoort, South Africa

A. Botha, P. Ashton, P. Oberholster, 2008 .

A REVIEW OF DEPRESSIONAL WETLANDS ( PANS ) IN SOUTH AFRICA , INCLUDING A WATER QUALITY CLASSIFICATION SYSTEM Report to the WATER RESEARCH COMMISSION by

P. Ashton, P. Oberholster, L. D. Klerk, 2016 .

Effect of sewage effluents on germination of three marine brown algal macrophytes

P. Ashton, T. Burridge, T. Portelli, 1996 .

Application of a simple dynamic model for river water quality management: A case study of inorganic nitrogen and TDS in the Crocodile river (South Africa)

P. Vanrolleghem, T. Deksissa, P. Ashton, 2002 .