G. J. Steyn

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

H.H. Du Preez, G. J. Steyn · Water SA · 1992 · 65 citations · Full text

Metal Contamination, Kruger National Park, Aquatic Food System +17

The role of the blood-testis barrier in the chemical composition of the seminal plasma of the freshwater teleost Clarias gariepinus

G. J. Steyn, J.H.J. Van Vuren · Comparative Biochemistry and Physiology Part A Physiology · 1986 · 20 citations

Biology, Fertility, Seminal Plasma +7

Some physical properties of the semen from artificially induced sharptooth catfish (Clarias gariepinus)

G. J. Steyn, J.H.J. Van Vuren · Comparative Biochemistry and Physiology Part A Physiology · 1987 · 20 citations

Biology, Fertility, Natural Sciences +8

Tolerance levels of redbreast tilapia, Tilapia rendalli (Boulenger, 1896) to natural suspended silt

Y. Buermann, H.H. Du Preez, G. J. Steyn et al. · Hydrobiologia · 1997 · 15 citations

Note on the occurrence of selected trace metals and organic compounds in water, sediment and biota of the Crocodile River, Eastern Transvaal, South Africa

Dirk J. Roux, J. E. Badenhorst, H.H. Du Preez et al. · Water SA · 1994 · 14 citations · Full text

Muscle Tissue, Engineering, Metal Contamination +18