| The dynamics of toxic Microcystis strains and microcystin production in two hypertrofic South African reservoirs KR Conradie, S Barnard Harmful Algae 20, 1-10, 2012 | 84 | 2012 |
| Induction of both acid and alkaline phosphatase activity in two green-algae (chlorophyceae) in low N and P concentrations MM Kruskopf, S Du Plessis Hydrobiologia 513, 59-70, 2004 | 47 | 2004 |
| Growth and Filament Length of the Bloom Forming Oscillatoria simplicissima (Oscillatoriales, Cyanophyta) in Varying N and P Concentrations M Kruskopf, SD Plessis Hydrobiologia 556, 357-362, 2006 | 32 | 2006 |
| Forecasting of dinoflagellate blooms in warm-monomictic hypertrophic reservoirs in South Africa by means of rule-based agents C Van Ginkel, H Cao, F Recknagel, S Du Plessis Water SA 33 (4), 531-538, 2007 | 22 | 2007 |
| Overview of the influences of mining-related pollution on the water quality of the Mooi River system’s reservoirs, using basic statistical analyses and self organised mapping S Barnard, A Venter, CE Van Ginkel Water SA 39 (5), 655-662, 2013 | 20 | 2013 |
| Biological crusts of serpentine and non‐serpentine soils from the Barberton Greenstone Belt of South Africa A Venter, S Siebert, N Rajakaruna, S Barnard, A Levanets, A Ismail, ... Ecological research 33 (3), 629-640, 2018 | 19 | 2018 |
| Activity of Key Enzymes Involved in Carbohydrate Metabolism in Phaseolus vulgaris Cell Suspension Cultures FC Botha, M O'Kenndey, S Plessis Plant and cell physiology 33 (4), 477-483, 1992 | 18 | 1992 |
| Challenges in the potable water industry due to changes in source water quality: case study of Midvaal Water Company, South Africa SJ van Rensburg, S Barnard, M Krüger Water SA 42 (4), 633-640, 2016 | 13 | 2016 |
| Evaluation of models generated via hybrid evolutionary algorithms for the prediction of Microcystis concentrations in the Vaal Dam, South Africa A Swanepoel, S Barnard, F Recknagel, H Cao Water SA 42 (2), 243-252, 2016 | 12 | 2016 |
| Strategies of coagulant optimisation to improve the removal of turbidity and Ceratium hirundinella cells during conventional drinking water purification H Ewerts, S Barnard, A Swanepoel, HH Du Preez, S Janse van Vuuren Water Science and Technology: Water Supply 14 (5), 820-828, 2014 | 10 | 2014 |
| Planktonic algae and cyanoprokaryotes as indicators of ecosystem quality in the Mooi River system in the North-West Province, South Africa A Venter, S Barnard, MA Dickinson, SJ van Vuuren, A Levanets, JC Taylor Water SA 39 (5), 707-720, 2013 | 10 | 2013 |
| What is the role of zooxanthellae during coral bleaching? Review of zooxanthellae and their response to environmental stress A Curran, S Barnard South African Journal of Science 117 (7-8), 1-7, 2021 | 9 | 2021 |
| The impact of zeta potential changes on Ceratium hirundinella cell removal and the ability of cells to restore its natural surface charge during drinking water purification H Ewerts, S Barnard, A Swanepoel RSC advances 7 (36), 22433-22440, 2017 | 9 | 2017 |
| A case study to determine the efficacy of ozonation in purification processes S Morrison, A Venter, S Barnard Water SA 38 (1), 49-54, 2012 | 8 | 2012 |
| Assessing the Likelihood of Gene Flow From Sugarcane (Saccharum Hybrids) to Wild Relatives in South Africa SJ Snyman, DM Komape, H Khanyi, J Van den Berg, D Cilliers, ... Frontiers in Bioengineering and Biotechnology 6, 72, 2018 | 7 | 2018 |
| Comparison of phytoplankton assemblages in two differentially polluted streams in the Middle Vaal Catchment, South Africa SJ van Rensburg, S Barnard, S Booyens South African journal of botany 125, 234-243, 2019 | 6 | 2019 |
| Genetic diversity of vetiver isolates (Chrysopogon zizanioides/nigritanus) available in South Africa based on ITS, ndhF and rbcL sequencing analyses S Barnard, V Diedericks, KR Conradie South African journal of botany 86, 63-67, 2013 | 6 | 2013 |
| Impact of land-use and flow conditions on the phytoplankton of the Sabie River, South Africa S Barnard, TL Morgenthal, M Stolz, A Venter Bothalia-African Biodiversity & Conservation 51 (1), 1-18, 2021 | 4 | 2021 |
| The identification of organic substances associated with freshwater Ceratium hirundinella cells H Ewerts, S Janse van Vuuren, S Barnard, A Swanepoel Schweizerbart Science, 2018 | 3 | 2018 |
| Implementation of the rule based agent for Microcystis in Rietvlei Dam S Barnard, CE van Ginkel, LZ Coetzee, S Booyens WRC Report, 2014 | 3 | 2014 |
Stefan SiebertNorth-West UniversityVerified email at nwu.ac.za
