160 Republic of South Africa 



REPUBLIC OF 

 SOUTH AFRICA 



Jonkershoek Trout Hatchery 



POSTAL address: Private Bag 14, Stellenbosch, Repub- 

 lic of South Africa. 



location: Near Cape Town. 



EXECUTIVE officer: Mr. G. F. van Wyk, Senior Pro- 

 fessional Officer (Inland Fisheries). 



SPONSORING agency: Cape Provincial Administration, 

 Department of Nature Conservation. 



year founded: 1944. 



SCOPE of activities: Restricted research on estuarine 

 surveys and stream improvement. 



SEASON OF operation: All year. 



PHYSICAL environment ACCESSIBLE: Eerste River; 

 estuarine conditions, brackish, shallow bays, and farm 

 dams. 



PROVISIONS for visiting SCIENTISTS: Space for 2 visi- 

 tors; no fees charged; living quarters available nearby. 



MAJOR RESEARCH FACILITIES: Small library; large out- 

 door ponds and tanks, small aquarium tanks ; research 

 and identified reference collections of fresh-water fish 

 of the Cape Province and estaurine fauna (bait organ- 

 isms) ; machine and wood shop; small boats and out- 

 board motors; one 12 ft LOA power vessel. 



SIZE OF STAFF: Two at professional level; 7 technicians. 



important species available for laboratory 

 studies: 

 Crustacea: Calliaiiassa kraussi, Upogebia africivui 

 Amphibia: Xeiiopus laevis 



Pisces: Sainlelia capeiisis, Galaxias zebratus and mis- 

 cellaneous fresh-water species. 



MAJOR CURRENT RESEARCH PROJECTS AND SCIENTIFIC 

 LEADERS: 



Fertilization of fish ponds (D. J. van Schoor) 

 Survey of Cape estuaries (G. F. van Wyk) 



indigenous fresh-water fish; identified reference col- 

 lection of Ephemeroptera; small boats and outboard 

 motors. 

 SIZE OF STAFF: Two at professional level; 2 technicians. 



MAJOR CURRENT RESEARCH PROJECTS AND SCIENTIFIC 

 LEADERS: 



Systematics and ecology of fresh-water fish in Natal 



River systems (R. S. Crass) 

 Biology of Sid mo trutta and 5. gdirdiieri in Natal (R. 



S. Crass) 

 Pond management research (Mrs. R. E. Hutchison) 



The National Institute for Water Research 



POSTAL address: p. O. Box 395, Pretoria, Republic of 

 South Africa. 



executive officer: Dr. G. J. Stander, Director of the 

 Institute. 



SPONSORING agency: South African Council for Sci- 

 entific and Industrial Research. 



SCOPE OF activities: The Institute concentrates on 

 hydrobiological research, chemistry and bacteriology, 

 relating to treating and disposing of industrial and 

 domestic wastes, water treatment and supply problems. 



SEASON OF operation: All year. 



PHYSICAL ENVIRONMENT ACCESSIBLE: Vaal-Orange 

 River System, Limpopo River System, Hartebeestpoort 

 Dam ; eutrophic lake. 



PROVISIONS FOR VISITING SCIENTISTS: None at present. 



MAJOR RESEARCH FACILITIES: Extensive Institute li- 

 brary but small hydrobiological section; small aquarium 

 tanks; research collections of fresh- water invertebrates 

 and diatoms ; identified reference collections of di- 

 atoms, Chironomidae, Trichoptera and others ; machine 

 and wood shop, electrical and electronic shop, skilled 

 shop workman available; small boats and outboard 

 motors. 



SIZE OF STAFF: Twenty-two at professional level; 1 

 technician. 



Natal Parks. Game and Fish Preservation 

 Board, Fisheries Laboratory 



POSTAL address: p. O. Box 662, Pietermaritzburg, 

 Natal, Republic of South Africa. 



EXECUTIVE officer: Colonel J. Vincent, Director of 

 Wildlife Conservation. 



sponsoring agency: Province of Natal; affiliation 

 with the University of Natal. 



YEAR founded: 1952. 



SCOPE of activities: Restricted research on fresh- 

 water fish biology, systematics and management. 



SEASON OF OPERATION: All year. 



PHYSICAL ENVIRONMENT ACCESSIBLE: Rivers, Streams 

 and artificial impoundments. 



MAJOR RESEARCH FACILITIES: Small library; small 

 aquarium tanks; research and identified collection of 



THE NATIONAL INSTITUTE FOR WATER RESEARCH, PRETORIA 



