| Distribution of heavy metals in sediments of Mwanza Gulf of Lake Victoria, Tanzania MA Kishe, JF Machiwa Environment international 28 (7), 619-625, 2003 | 297 | 2003 |
| The influence of land-use patterns in the Ruvu river watershed on water quality in the river system E Ngoye, JF Machiwa Physics and Chemistry of the Earth, Parts A/B/C 29 (15-18), 1161-1166, 2004 | 251 | 2004 |
| Environmental assessment of mercury contamination from the Rwamagasa artisanal gold mining centre, Geita District, Tanzania H Taylor, JD Appleton, R Lister, B Smith, D Chitamweba, O Mkumbo, ... Science of the total environment 343 (1-3), 111-133, 2005 | 185 | 2005 |
| Polycyclic aromatic hydrocarbon (PAH) contamination of surface sediments and oysters from the inter-tidal areas of Dar es Salaam, Tanzania L Gaspare, JF Machiwa, SJM Mdachi, G Streck, W Brack Environmental Pollution 157 (1), 24-34, 2009 | 160 | 2009 |
| Anthropogenic pollution in the Dar es Salaam harbour area, Tanzania JF Machiwa Marine Pollution Bulletin 24 (11), 562-567, 1992 | 59 | 1992 |
| Stable carbon and nitrogen isotopic signatures of organic matter sources in near-shore areas of Lake Victoria, East Africa JF Machiwa Journal of Great Lakes Research 36 (1), 1-8, 2010 | 57 | 2010 |
| Heavy Metal Levels in Paddy Soils and Rice (Oryza sativa (L)) from Wetlands of Lake Victoria Basin, Tanzania JF Machiwa Tanzania Journal of Science 36, 2010 | 52 | 2010 |
| An empirical model of the fate of organic carbon in a mangrove forest partly affected by anthropogenic activity JF Machiwa, RO Hallberg Ecological Modelling 147 (1), 69-83, 2002 | 52 | 2002 |
| Heavy metal contamination of mangrove sediments and the associated biota in Dar es Salaam, Tanzania SD Mremi, JF Machiwa Tanzania Journal of Science 29 (1), 61-76, 2003 | 44 | 2003 |
| Heavy metal content in coastal sediments off Dar es Salaam, Tanzania JF Machiwa Environment International 18 (4), 409-415, 1992 | 39 | 1992 |
| Flora and crabs in a mangrove forest partly distorted by human activities, Zanzibar JF Machiwa, RO Hallberg Ambio, 492-496, 1995 | 37 | 1995 |
| Developing human capital for successful implementation of international marine scientific research projects RJ Morrison, J Zhang, ER Urban Jr, J Hall, V Ittekkot, B Avril, L Hu, ... Marine pollution bulletin 77 (1-2), 11-22, 2013 | 36 | 2013 |
| Assessment of heavy metal pollution in sediment and polychaete worms from the Mzinga Creek and Ras Dege mangrove ecosystems, Dar es Salaam, Tanzania A Mtanga, J Machiwa Western Indian Ocean Journal of Marine Science 6 (2), 2008 | 31 | 2008 |
| Heavy Metals and Organic Pollutants in Sediments of Dar es Salaam Harbour Prior to Dredging in 1999. JF Machiwa Tanzania Journal of Science 26, 29-46, 2000 | 28 | 2000 |
| Spatio-temporal variations in physicochemical water quality parameters of Lake Bunyonyi, Southwestern Uganda A Saturday, TJ Lyimo, J Machiwa, S Pamba SN Applied Sciences 3 (7), 684, 2021 | 26 | 2021 |
| Distribution and remineralization of organic carbon in sediments of a mangrove stand partly contaminated with sewage waste JF Machiwa Ambio, 740-744, 1998 | 25 | 1998 |
| Histomorphological Damage in the Small Intestine of Wami Tilapia (Oreochromis urolepis) (Norman, 1922) Exposed to Microplastics Remain Long after Depuration JJ Mbugani, JF Machiwa, DA Shilla, W Kimaro, D Joseph, FR Khan Microplastics 1 (2), 240-253, 2022 | 23 | 2022 |
| Temporal and spatial distribution of trace metals in the Rufiji delta mangrove, Tanzania A Minu, J Routh, M Dario, M Bilosnic, R Kalén, J Val Klump, JF Machiwa Environmental Monitoring and Assessment 190, 1-19, 2018 | 23 | 2018 |
| Coastal marine pollution in Dar es Salaam (Tanzania) relative to recommended environmental quality targets for the Western Indian Ocean JF Machiwa Western Indian Ocean Journal of Marine Science 9 (1), 17-30, 2010 | 21 | 2010 |
| Metals in Nile Perch (Lates niloticus) and Suspended Particulate Matter From Lake Victoria, Tanzania JF Machiwa Journal of Environmental Science and Health 40 (9), 1809-1822, 2005 | 20 | 2005 |
