56 Federal Republic of Germany 



EXECUTIVE OFFICER: Dr. Wilhelm Nuemann, Director. 



SPONSORING agency: Verein der Freunde des Institut 

 fuer Seenforschung und Seenbewirtschaftung (Society 

 of Friends of the Institute for Investigation and Man- 

 agement of Lakes). 



year founded: 1920. 



scope of activities: Unrestricted research on limnol- 

 ogy, fishery biology, fish pathology, and purity of 

 running water. 



season of operation: All year. 



PHY'siCAL ENVIRONMENT ACCESSIBLE: Bodensee (Lake 

 Constance), eutrophic and oligotrophic lakes, rivers 

 and streams, and fish ponds. 



PROVISIONS for VISITING SCIENTISTS: Space for 4-5 

 visitors; fees charged; living quarters available nearby. 



INSTITUT FUER SEENFOR.SCHUNG UND SEENHEWIRTSCHAFTUNG 



MAJOR research FACILITIES: Small library; 4 large 

 outdoor ponds, small aquarium tanks; small boat with 

 outboard motor; vessels, 9 m and 14 m LOA. 

 SIZE OF STAFF: Five at professional level; 6 techni- 

 cians. 

 important species available for laboratory 

 studies: 

 Pisces: Coregoniis spp., Esox. Perca, Linioperca, 

 Sahi/o spp. 



MAJOR CURRENT RESEARCH PROJECTS AND SCIENTIFIC 

 LEADERS: 



Fishery biology, especially coregonids (Wilhelm Nu- 



mann ) 

 Hydrobiology (bottom fauna, ecology) (Rudolf 



Zahner) 

 Water bacteriology and fish pathology (Josef Deufel) 

 Hydrochemistry: metabolism of nutrient salts, polu- 



tion-water (Werner Voss and Gustav Wagner) 



Limnologhches Institut der UniversHaet Tret- 

 burg i. Br. (W alter-Schlienz-lnstitut ) 



LIMNOLOGICAL INSTITUTE OF THE UNIVERSITY OF 

 FREIBURG (wALTER-SCHLIENZ-INSTITUT) 



POSTAL address: (17b) Falkau/Schwarzwald, Bundes- 

 republik Deutschland (West Germany) . 



location: Near Freiburg/Baden. 



EXECUTIVE OFFICER: Profcssor Dr. Hans- Joachim 

 Elster, Leiter. 



SPONSORING AGENCIES: LIniversitaet Freiburg. 



YEAR founded: 1947. 



SCOPE OF ACTIVITIES: Unrestricted research on general 

 limnology and hydrobiology, metabolism of fresh- 

 and brackish-waters, fisheries biology; graduate and 

 undergraduate instruction. 



SEASON OF OPERATION: All year. 



PHYSICAL ENVIRONMENT ACCESSIBLE: Lakes Schluch- 

 see, Titisee, Windgefaellweiher, Feldsee, Ursee, Has- 

 lach (brook). Rivers Wutach and Donau (Danube) ; 

 eutrophic, oligotrophic lakes and dystrophic lakes. 



PROVLsioNS FOR VISITING SCIENTISTS: Space for 2 

 (later, more) visitors; no fees charged; living quar- 

 ters available nearby. 



MAJOR RESEARCH AND TEACHING FACILITIES: Small 



library; small aquarium tanks; research collection of 

 plankton and bottom fauna; identified reference col- 

 lections of Hydracarina, some groups of chironomids, 

 Plecoptera, etc. ; small boats and outboard motors. 

 INSTRUCTIONAL PROGRAM: Limnology, systematics 

 and biology of fresh-water organisms, and fisheries 

 biology. 

 SIZE OF STAFF: Five at professional level ; 6 technicians. 

 important species available for laboratory 

 studies: 

 Crustacea: Hoi oped hu)! gibber uiii, Mixodiaptoiiu/s 

 Idchiiatus, AcaiithodiaptoDiui dent'icorn'is, He/ero- 

 cope scdJeiis 

 Insecta: Sergentia spp. 



IIYDROBIOLOGISCHE STATION, FAI.KAU/SCHWARZWALD 



