1. Unit for Environmental Sciences and Management, School of Biological Sciences, North-WestUniversity, Potchefstroom, 2520, South Africa
2. Phycology Working Group, Faculty of Biology, University of Duisburg-Essen, Essen, 45141, Germany
3. Department of Biodiversity and Conservation Biology, University of the Western Cape, Bellville, 7535, South Africa
4. Elwandle Coastal Node, South African Environmental Observation Network (SAEON), Gqeberha, 6013, South Africa
5. Centre for High Resolution Transmission Electron Microscopy, Faculty of Science, Nelson Mandela University, Gqeberha, 6031, South Africa