| Removal and recovery of zinc from solution and electroplating effluent using Azolla filiculoides | Water Research | 1999 | 102 |
| The sequence stratigraphic concept and the Precambrian rock record: an example from the 2.7–2.1 Ga Transvaal Supergroup, Kaapvaal craton | Precambrian Research | 1999 | 83 |
| A capillary membrane bioreactor using immobilized polyphenol oxidase for the removal of phenols from industrial effluents | Enzyme and Microbial Technology | 1999 | 74 |
| Use of the fluorochrome calcein as an in situ growth marker in the brown mussel Perna perna | Marine Biology | 1999 | 74 |
| Incidence and distribution of phototrophic shell-degrading endoliths of the brown mussel Perna perna | Marine Biology | 1999 | 63 |
| Effect of concentration and degree of saturation of topical fluocinonide formulations on in vitro membrane transport and in vivo availability on human skin | Pharmaceutical Research | 1999 | 60 |
| Immobilization of polyphenol oxidase on chitosan-coated polysulphone capillary membranes for improved phenolic effluent bioremediation | Enzyme and Microbial Technology | 1999 | 59 |
| Lethal and sub-lethal effects of phototrophic endoliths attacking the shell of the intertidal mussel Perna perna | Marine Biology | 1999 | 56 |
| The biology of the skates Raja wallacei and R. pullopunctata (Batoidea: Rajidae) on the Agulhas Bank, South Africa | African Journal of Marine Science | 1999 | 56 |
| Beyond the development impasse: the role of local economic development and community self-reliance in rural South Africa | Journal of Modern African Studies | 1999 | 56 |
| Petrology of the Alkaline Core of the Messum Igneous Complex, Namibia: Evidence for the Progressively Decreasing Effect of Crustal Contamination | Journal of Petrology | 1999 | 55 |
| Maastrichtian-Paleocene foreland-basin stratigraphies, western Canada: a reciprocal sequence architecture | Canadian Journal of Earth Sciences | 1999 | 51 |
| Development and demonstration of an immobilised-polyphenol oxidase bioprobe for the detection of phenolic pollutants in water | Analytica Chimica Acta | 1999 | 50 |
| Estuarine zooplankton community structure and dynamics | | 1999 | 48 |
| The application of a remotely-sensed diversity index to monitor degradation patterns in a semi-arid, heterogeneous, South African landscape | Journal of Arid Environments | 1999 | 48 |
| Concept and styles of reciprocal stratigraphies: Western Canada foreland system | Terra Nova | 1999 | 47 |
| Phylogenetic analysis of Calymmatobacterium granulomatis based on 16S rRNA gene sequences | Journal of Medical Microbiology | 1999 | 44 |
| Physical-biological coupling in the waters surrounding the Prince Edward Islands (Southern Ocean) | Polar Biology | 1999 | 44 |
| Vegetation controls on channel stability in the Bell River, Eastern Cape, South Africa | Earth Surface Processes and Landforms | 1999 | 44 |
| Generation of natural daily flow time-series in regulated rivers using a non-linear spatial interpolation technique | River Research and Applications | 1999 | 42 |
| Black South African English: Where to from here? | World Englishes | 1999 | 41 |
| Pharmaceutical applications of the Prout-Tompkins rate equation | International Journal of Pharmaceutics | 1999 | 35 |
| A successful population of largemouth bass, Micropterus salmoides, in a subtropical lake in Mozambique | Environmental Biology of Fishes | 1999 | 35 |
| Effect of diet on growth rate and reproductive fitness of Turbo sarmaticus (Mollusca: Vetigastropoda: Turbinidae) | Marine Biology | 1999 | 35 |
| Primary producers | | 1999 | 35 |
