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H.H. Du Preez

Observed names: H Du Preez, H H du Preez, H. Du Preez, H. H. Du Preez, H. H. du Preez, H. du Preez, H.H Du Preez, H.H du Preez, H.H. du Preez, HH Du Preez, HH du Preez, Hein Du Preez, Hein H Du Preez, Hein H du Preez, Hein H. Du Preez, Hein H. du Preez, Hein H.Du Preez, Hein du Preez
Institution: Rand Water
Observed institutions: Mintek, University of Johannesburg, Analytical Services, Scientific Services, Rand Water, University of Pretoria, Nelson Mandela University
OpenAlex ID: A5113777527
Effect of copper on the haematology and osmoregulation of the Mozambique tilapia, Oreochromis mossambicus (Cichlidae)
1995 · Gail Nussey, J.H.J. Van Vuren, et al. · Comparative Biochemistry and Physiology Part C Pharmacology Toxicology and Endocrinology · 141
Long-term spatial and temporal microbial community dynamics in a large-scale drinking water distribution system with multiple disinfectant regimes
2018 · Sarah Potgieter, Ameet Pinto, et al. · Water Research · 122
Metal concentrations in Clarias gariepinus and Labeo umbratus from the Olifants and Klein Olifants River, Mpumalanga, South Africa: zinc, copper, manganese, lead, chromium, nickel, aluminium and iron
2002 · L Coetzee, HH Du Preez, et al. · Water SA · 113
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Uptake and distribution of a copper, iron and zinc mixture in gill, liver and plasma of a freshwater teleost, Tilapia sparrmanii
2004 · V Wepener, JHJ Van Vuren, et al. · Water SA · 87
Effect of copper on the differential white blood cell counts of the Mozambique tilapia (Oreochromis mossambicus)
1995 · Gail Nussey, J.H.J. van Vuren, et al. · Comparative Biochemistry and Physiology Part C Pharmacology Toxicology and Endocrinology · 65
A preliminary investigation of the concentration of selected metals in the tissues and organs of the tigerfish (Hydrocynus vittatus) from the Olifants River, Kruger National Park, South Africa
1992 · H.H. Du Preez, G. J. Steyn · Water SA · 65
Effect of manganese and iron at a neutral and acidic pH on the hematology of the banded tilapia (Tilapia sparrmanii)
1992 · V. Wepener, J. H. J. Van Vuren, et al. · Bulletin of Environmental Contamination and Toxicology · 64
The effect of hexavalent chromium at different pH values on the haematology of Tilapia sparrmanii (Cichlidae)
1992 · V. Wepener, J.H.J. van Vuren, et al. · Comparative Biochemistry and Physiology Part C Comparative Pharmacology · 63
Bioenergetics of fishes in a high-energy surf-zone
1990 · H. H. Du Preez, A. McLachlan, et al. · Marine Biology · 61
Biology of the Three Spot Swimming Crab, Ovalipes Punctatus (De Haan) Iii. Reproduction, Fecundity and Egg Development
1984 · H.H. Du Preez, A. Mclachlan · Crustaceana · 57
The effect of copper on the blood chemistry of Clarias gariepinus (clariidae)
1994 · J.H.J. Van Vuren, Marinda Van der Merwe, et al. · Ecotoxicology and Environmental Safety · 53
Effect of copper on blood coagulation of Oreochromis mossambicus (Cichlidae)
1995 · Gail Nussey, J.H.J. Van Vuren, et al. · Comparative Biochemistry and Physiology Part C Pharmacology Toxicology and Endocrinology · 51
A comparative biochemical genetic study of three populations of domesticated and wild African catfish (Clarias gariepinus)
1992 · F.H. van der Bank, J.P. Grobler, et al. · Comparative Biochemistry and Physiology Part B Comparative Biochemistry · 45
Exposure of rural households to toxic cyanobacteria in container-stored water
2018 · E Fosso-Kankeu, P Jagals, et al. · Water SA · 43
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The use of cestode parasites from the largemouth yellowfish, Labeobarbus kimberleyensis (Gilchrist and Thompson, 1913) in the Vaal Dam, South Africa as indicators of heavy metal bioaccumulation
2006 · N.-R. Retief, A. Avenant-Oldewage, et al. · Physics and Chemistry of the Earth Parts A/B/C · 43
Bioconcentration of atrazine in the banded tilapia, Tilapia sparrmanii
1992 · Hein H. du Preez, J.H.J. van Vuren · Comparative Biochemistry and Physiology Part C Comparative Pharmacology · 42
The development of an aquatic toxicity index as a tool in the operational management of water quality in the Olifants River (Knsger National Park)
1992 · V. Wepener, N. Euler, et al. · Koedoe · 41
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The Freshwater River Crab,Potamonautes warreni, as a Bioaccumulative Indicator of Iron and Manganese Pollution in Two Aquatic Systems
1998 · Michele J. Sanders, Hein H. Du Preez, et al. · Ecotoxicology and Environmental Safety · 40
Molluscan predation by Ovalipes punctatus (De Haan) (Crustacea: Brachyura: Portunidae)
1984 · Hein H. du Preez · Journal of Experimental Marine Biology and Ecology · 39
Oxygen consumption of a shallow water teleost, the spotted grunter, Pomadasys commersonni (Lacépéde, 1802)
1986 · Hein H Du Preez, Anton Mclachlan, et al. · Comparative Biochemistry and Physiology Part A Physiology · 38
Suspended silt concentrations in the lower Olifants River (Mpumalanga) and the impact of silt releases from the Phalaborwa Barrage on water quality and fish survival
1995 · Y. Buermann, H.H. Du Preez, et al. · Koedoe · 36
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Oxygen consumption of two nearshore marine elasmobranchs, rhinobatos annulatus (Muller & Henle, 1841) and Myliobatus aquila (linnaeus, 1758)
1988 · Hein H. Du Preez, Anton Mclachlan, et al. · Comparative Biochemistry and Physiology Part A Physiology · 36
Efficacy of conventional drinking water treatment processes in removing problem-causing phytoplankton and associated organic compounds
2013 · HE Ewerts, A Swanepoel, et al. · Water SA · 35
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Significance of bacteria associated with invertebrates in drinking water distribution networks
2005 · E. Wolmarans, H.H. du Preez, et al. · Water Science & Technology · 33
Methodology for the assessment of human health risks associated with the consumption of chemical contaminated freshwater fish in South Africa
2004 · HH Du Preez, RGM Heath, et al. · Water SA · 32
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Works count: 97
Citation count: 2,255
H-index: 27
I10-index: 64
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