https://commons.ru.ac.za/vital/access/manager/Index ${session.getAttribute("locale")} 5 The impact on biodiversity, and integrated control, of water hyacinth, Eichhornia crassipes (Martius) Solms-Laubach (Pontederiaceae) on the Lake Nsezi - Nseleni River system https://commons.ru.ac.za/vital/access/manager/Repository/vital:5711 Wed 12 May 2021 22:33:44 SAST ]]> A spatial and temporal analysis of the changes in alien macrophyte communities and a baseline assessment of the macroinvertebrates associated with Eurasian watermilfoil, Myriophyllum spicatum L. (Haloragaceae) in the Vaal River https://commons.ru.ac.za/vital/access/manager/Repository/vital:5767 Thu 13 May 2021 07:13:47 SAST ]]> Willingness to pay for the control of water hyacinth in an urban environment of South Africa https://commons.ru.ac.za/vital/access/manager/Repository/vital:996 Thu 13 May 2021 06:13:47 SAST ]]>