References
- Ashton PJ, Dabrowski JM. 2011. An overview of water quality and the causes of poor water quality in the Olifants River Catchment, WRC Project No. K8/887. Water Research Commission, Pretoria.
- Avenant-Oldewage A, Marx H. 2000. Manganese, nickel and strontium bioaccumulation in the tissues of African sharptooth catfish, Clarias gariepinus from the Olifants River, Kruger National Park. Koedoe 43: 17–33. doi: 10.4102/koedoe.v43i2.196
- Bervoets L, Blust R. 2003. Metal concentrations in water, sediment and gudgeon (Gobio gobio) from a pollution gradient: Relationship with fish condition factor. Environmental Pollution 126: 9–19. doi: 10.1016/S0269-7491(03)00173-8
- CCME (Canadian Council of Ministers of the Environment). 2012. Canadian water quality guidelines for the protection of aquatic life and sediment quality guidelines for the protection of aquatic life.
- DWAF (Department of Water Affairs and Forestry). 1996. South African Water Quality Guidelines, Volume 7: Aquatic Ecosystems, Department of Water Affairs and Forestry, Pretoria.
- Edokpayi JN, Odiyo JO, Olasoji SO. 2014. Assessment of heavy metal contamination of Dzindi River, in Limpopo Province, South Africa. International Journal of Natural Science Research 2: 185–194.
- Edokpayi JN, Odiyo JO, Popoola OE, Msagati TAM. 2016. Assessment of Trace Metals Contamination of Surface Water and Sediment: A Case Study of Mvudi River, South Africa. Sustainability 8: 135. doi: 10.3390/su8020135
- Gerber R, Wepener V, Smit NJ. 2015. Application of multivariate statistics and toxicity indices to evaluate the water quality suitability for fish of three rivers in the Kruger National Park, South Africa. African Journal of Aquatic Science, 40: 247–259. doi: 10.2989/16085914.2015.1073139
- Jumbe AS, Nandini N. 2009. Heavy metal analysis and sediment quality values in urban lakes. American Journal of Environmental Sciences 5: 678–687. doi: 10.3844/ajessp.2009.678.687
- Milenkovic N, Damjanovic M. Ristic M. 2005. Study of heavy metal pollution in sediments from the Iron Gate (Danube River), Serbia and Montenegro. Polish Journal of Environmental Studies 14: 781–787.
- Mohiuddin KM, Ogawa Y, Zakir HM, Otomo K, Shikazono N. 2011. Heavy metals contamination in water and sediments of an urban river in a developing country. International Journal of Environmental Science and Technology 8: 723–736. doi: 10.1007/BF03326257
- Nzeve JK, Kitur EC, Njuguna SG. 2014. Determination of heavy metals in sediments of Masinga Reservoir, Kenya. Journal of Environment and Earth Science 4: 125–132.
- Pandey J, Singh AV, Sing A, Sigh R. 2013. Impact of changing atmospheric deposition chemistry on nitrogen and phosphorus loading to Ganga River (India). Bulletin of Environmental Contamination and Toxicology 91: 184–190. doi: 10.1007/s00128-013-1016-5
- Reza R, Singh G. 2010. Heavy metal contamination and its indexing approach for river water. International Journal Environmental Science and Technology 7: 785–792. doi: 10.1007/BF03326187
- USEPA (United States Environmental Protection Agency). 2012. National Recommended Water Quality Criteria: Aquatic Life Criteria Table. Washington, DC: U.S. Environmental Protection Agency.
- Vörösmarty CJ, Mcintyre PB, Gessner MO, Dudgeon D, Prusevich A, Green P et al. 2010. Global threats to human water security and river biodiversity. Nature 467: 555–561. doi: 10.1038/nature09440
- Wepener V, van Vuren JHJ, du Preez HH. 2000. Application of the equilibrium partitioning method to derive copper and zinc quality criteria for water and sediment: a South African perspective. Water SA 26: 97–104.