Molluscan predation by Ovalipes punctatus (De Haan) (Crustacea: Brachyura: Portunidae)DU PREEZ, H. H.Journal of experimental marine biology and ecology. 1984, Vol 84, Num 1, pp 55-71, issn 0022-0981Article

Laboratory studies on the oxygen consumption of the marine teleost, Lichia amia (Linnaeus, 1758)DU PREEZ, H. H.Comparative biochemistry and physiology. A. Comparative physiology. 1987, Vol 88, Num 3, pp 523-532, issn 0300-9629Article

Laboratory studies on the oxygen consumption of the marine teleost, Lichia amia (Linnaeus, 1758)DU PREEZ, H. H.Comparative biochemistry and physiology. A. Comparative physiology. 1987, Vol 88, Num 3, pp 523-532, issn 0300-9629Article

Seasonal changes in biochemical composition and energy content of the three-spot swimming crab Ovalipes punctatus (De Haan)(Crustacea:Brachyura)DU PREEZ, H. H; MCLACHLAN, A.Journal of experimental marine biology and ecology. 1983, Vol 72, Num 2, pp 189-198, issn 0022-0981Article

Nonfaecal and faecal losses of the marine teleost, Lichia amia (Linnaeus, 1758), feeding on live southern mullet, Liza richardsonii (Smith, 1846)DU PREEZ, H. H; COCKROFT, A. C.Comparative biochemistry and physiology. A. Comparative physiology. 1988, Vol 90, Num 1, pp 71-77, issn 0300-9629Article

Biology of the three-spot swimming crab, Ovalipes punctatus (De Haan). II: Growth and moultingDU PREEZ, H. H; MCLACHLAN, A.Crustaceana. 1984, Vol 47, Num 2, pp 113-120, issn 0011-216XArticle

Bioconcentration of atrazine in the banded tilapia, Tilapia sparrmaniiDU PREEZ, H. H; VAN VUREN, J. H. J.Comparative biochemistry and physiology. C. Comparative pharmacology and toxicology. 1992, Vol 101, Num 3, pp 651-655, issn 0742-8413Article

Oxygen consumption of two nearshore marine elasmobranchs, Rhinobatos annulatus (Muller & Henle, 1841) and Myliobatus aquila (Linnaeus, 1758)DU PREEZ, H. H; MCLACHLAN, A; MARAIS, J. F. K et al.Comparative biochemistry and physiology. A. Comparative physiology. 1988, Vol 89, Num 2, pp 283-294, issn 0300-9629Article

Strategies of coagulant optimisation to improve the removal of turbidity and Ceratium hirundinella cells during conventional drinking water purificationEWERTS, H; BARNARD, S; SWANEPOEL, A et al.Water science and technology : water supply (Print). 2014, Vol 14, Num 5, pp 820-828, issn 1606-9749, 9 p.Article

Predicting the production of waste products in the high density culture of sharptooth catfish (Claria gariepinus)CERONIO, A. D; HAARHOFF, J; STEYN, G. J et al.Water S.A. 1995, Vol 21, Num 2, pp 139-146, issn 0378-4738Article

Preliminary laboratory investigation of the bioconcentration, of zinc and iron in selected tissues of the banded tilapia, Tilapia sparrmanii (Cichlidae)DU PREEZ, H. H; VAN RENSBURG, E; VAN VUREN, J. H. J et al.Bulletin of environmental contamination and toxicology. 1993, Vol 50, Num 5, pp 674-681, issn 0007-4861Article

Toxic effects of zinc and iron on the routine oxygen consumption of Tilapia sparrmanii (Cichlidae)GROBLER, E; DU PREEZ, H. H; VAN VUREN, J. H. J et al.Comparative biochemistry and physiology. C. Comparative pharmacology. 1989, Vol 94, Num 1, pp 207-214, issn 0306-4492, 8 p.Article

Concentrations of zinc in Barbus marequensis from the lower Olifants River, Mpumalanga, South AfricaSEYMORE, T; DU PREEZ, H. H; VAN VUREN, J. H. J et al.Hydrobiologia (The Hague). 1996, Vol 332, Num 3, pp 141-150, issn 0018-8158Article

Note on the occurrence of selected trace metals and organic compounds in water, sediment and biota of the Crocodile River, Eastern Transvaal, South AfricaROUX, D. J; BADENHORST, J. E; DU PREEZ, H. H et al.Water S.A. 1994, Vol 20, Num 4, pp 333-340, issn 0378-4738Article

Effects of chromium during pH change on blood coagulation in Tilapia sparrmanii (Cichlidae)GEY VAN PITTIUS, M; VAN VUREN, J. H. J; DU PREEZ, H. H et al.Comparative biochemistry and physiology. C. Comparative pharmacology and toxicology. 1992, Vol 101, Num 2, pp 371-374, issn 0742-8413Article

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 ironCOETZEE, L; DU PREEZ, H. H; VAN VUREN, J. H. J et al.Water S.A. 2002, Vol 28, Num 4, pp 433-448, issn 0378-4738, 16 p.Article

Uptake and distribution of a copper, iron and zinc mixture in gill, liver and plasma of a freshwater teleost, Tilapia sparrmaniiWEPENER, V; VAN VUREN, J. H. J; DU PREEZ, H. H et al.Water S.A. 2001, Vol 27, Num 1, pp 99-108, issn 0378-4738Article

The freshwater river crab, Potamonautes warreni, as a bioaccumulative indicator of iron and manganese pollution in two aquatic systemsSANDERS, M. J; DU PREEZ, H. H; VAN VUREN, J. H. J et al.Ecotoxicology and environmental safety (Print). 1998, Vol 41, Num 2, pp 203-214, issn 0147-6513Article

A comparative biochemical genetic study of three populations of domesticated and wild African catfish (Clarias gariepinus)VAN DER BANK, F. H; GROBLER, J. P; DU PREEZ, H. H et al.Comparative biochemistry and physiology. B. Comparative biochemistry. 1992, Vol 101, Num 3, pp 387-390, issn 0305-0491Article

Effect of manganese and iron at a neutral and acidic pH on the hematology of the banded tilapia (Tilapia sparrmanii)WEPENER, V; VAN VUREN, J. H. J; DU PREEZ, H. H et al.Bulletin of environmental contamination and toxicology. 1992, Vol 49, Num 4, pp 613-619, issn 0007-4861Article

Tolerance levels of redbreast tilapia, Tilapia rendalli (Boulenger, 1896) to natural suspended siltBUERMANN, Y; DU PREEZ, H. H; STEYN, G. J et al.Hydrobiologia (The Hague). 1997, Vol 344, pp 11-18, issn 0018-8158Article

The effect of copper on the blood chemistry of Clarias gariepinus (Clariidae)VAN VUREN, J. H. J; VAN DER MERWE, M; DU PREEZ, H. H et al.Ecotoxicology and environmental safety (Print). 1994, Vol 29, Num 2, pp 187-199, issn 0147-6513Article

The effect of hexavalent chromium at different pH value on the haematology of Tilapia sparrmanii (Cichlidae)WEPENER, V; VAN VUREN, J. H. J; DU PREEZ, H. H et al.Comparative biochemistry and physiology. C. Comparative pharmacology and toxicology. 1992, Vol 101, Num 2, pp 375-381, issn 0742-8413Article

Bioconcentration of atrazine, zinc and iron in the blood of Tilapia sparrmanii (Cichlidae)GROBLER-VAN HEERDEN, E; VAN VUREN, J. H. J; DU PREEZ, H. H et al.Comparative biochemistry and physiology. C. Comparative pharmacology and toxicology. 1991, Vol 100, Num 3, pp 629-633, issn 0742-8413Article

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 AfricaPREEZ, H. H; STEYN, G. J.Water S.A. 1992, Vol 18, Num 2, pp 131-136, issn 0378-4738Article