| The microplastic profile of an urban African stream HTJ Dahms, GJ van Rensburg, R Greenfield Science of the Total Environment 731, 138893, 2020 | 114 | 2020 |
| Wetland assessment using unmanned aerial vehicle (UAV) photogrammetry MA Boon, R Greenfield, S Tesfamichael The International Archives of the Photogrammetry, Remote Sensing and Spatial …, 2016 | 67 | 2016 |
| Unmanned aerial vehicle (UAV) photogrammetry produces accurate high-resolution orthophotos, point clouds and surface models for mapping wetlands MA Boon, R Greenfield, S Tesfamichael South African Journal of Geomatics 5 (2), 186-200, 2016 | 43 | 2016 |
| Richards Bay Harbour: Metal exposure monitoring over the last 34 years R Greenfield, V Wepener, N Degger, K Brink Marine pollution bulletin 62 (8), 1926-1931, 2011 | 42 | 2011 |
| The usefulness of transplantation studies in monitoring of metals in the marine environment: South African experience R Greenfield, K Brink, N Degger, V Wepener Marine pollution bulletin 85 (2), 566-573, 2014 | 30 | 2014 |
| DNA barcoding reveals micro-evolutionary changes and river system-level phylogeographic resolution of African silver catfish, Schilbe intermedius (Actinopterygii: Siluriformes … HF Van der Bank, R Greenfield, BH Daru, K Yessoufou Acta Ichthyologica et Piscatoria 42, 307-320, 2012 | 30 | 2012 |
| Ecological risk assessment of trace elements in sediment: A case study from Limpopo, South Africa S Dahms, NJ Baker, R Greenfield Ecotoxicology and environmental safety 135, 106-114, 2017 | 28 | 2017 |
| Heavy metal concentrations in the water of the Nyl River system, South Africa R Greenfield, JHJ Van Vuren, V Wepener African Journal of Aquatic Science 37 (2), 219-224, 2012 | 27 | 2012 |
| Blood lactate levels as a biomarker for angling-induced stress in tigerfish Hydrocynus vittatus from the Okavango Delta, Botswana NJ Smit, G Howatson, R Greenfield African Journal of Aquatic Science 34 (3), 255-259, 2009 | 27 | 2009 |
| A baseline study of metal contamination along the Namibian coastline for Perna perna and Choromytilus meridionalis S Dahms, FH Van der Bank, R Greenfield Marine Pollution Bulletin 85 (1), 297-305, 2014 | 25 | 2014 |
| Metal accumulation in House Sparrow (Passer domesticus) from Thohoyandou, Limpopo province, South Africa J Maina, R Gerber, S Dahms, NJ Baker, R Greenfield African Zoology 52 (1), 43-53, 2017 | 24 | 2017 |
| Determination of sediment quality in the Nyl River system, Limpopo province, South Africa R Greenfield, JHJ Van Vuren, V Wepener Water SA 33 (5), 2007 | 23 | 2007 |
| Artificial mussels as indicators of metal pollution in freshwater systems: A field evaluation in the Koekemoer Spruit, South Africa L Claassens, S Dahms, JHJ Van Vuren, R Greenfield Ecological Indicators 60, 940-946, 2016 | 22 | 2016 |
| Revisiting species delimitation within the genus Oxystele using DNA barcoding approach H Van Der Bank, D Herbert, R Greenfield, K Yessoufou ZooKeys, 337, 2013 | 20 | 2013 |
| Long-term water quality patterns of a flow regulated tropical lowland river L De Necker, T Neswiswi, R Greenfield, J van Vuren, L Brendonck, ... Water 12 (1), 37, 2019 | 18 | 2019 |
| Heavy Metal Concentrations in Two Populations of Mopane Worms (Imbrasia belina) in the Kruger National Park Pose a Potential Human Health Risk R Greenfield, N Akala, FH Van Der Bank Bulletin of environmental contamination and toxicology 93, 316-321, 2014 | 17 | 2014 |
| Shift happens: changes to the diversity of riverine aquatic macroinvertebrate communities in response to sewage effluent runoff NJ Baker, R Greenfield Ecological indicators 102, 813-821, 2019 | 15 | 2019 |
| A pioneer survey and DNA barcoding of some commonly found gastropod molluscs on Robben Island H Van Der Bank, R Greenfield ZooKeys, 15, 2015 | 15 | 2015 |
| Innovative fluorescence detection technique for metals in cestode egg-shells N Degger, A Avenant-Oldewage, R Greenfield African Zoology 44 (2), 204-207, 2009 | 14 | 2009 |
| Biomarker responses in African sharptooth catfish, Clarias gariepinus (Burchell, 1822), as indicators of potential metal and organic pollution along the Vaal River … LJ Connell, GR Jansen van Rensburg, A Avenant-Oldewage, ... African Journal of Aquatic Science 45 (3), 317-328, 2020 | 12 | 2020 |
Nico J SmitProfessor of Ecology, North-West UniversityVerified email at nwu.ac.za
