Sivede 



175 



Exudation of organic material by Nostoc sp. (Elisa- 

 beth Henril<sson) 

 PUBLICATIONS ISSUED: Syinbolae Botauicae Upsaliensis 

 (occasionally published journal) 



Uppsala Unwersitet, Klubbam Biologiska Sta- 

 tion 



UPPSALA UNIVERSITY. KLUBBANS BIOLOGICAL 

 STATION 



POSTAL ADDRi-ss: Fiskebackskil, Sverige (Sweden). 



LOCATION: NearGoteborg (Gothenburg) on the Gull- 

 mar Fjord. 



EXECUTIVE OFFICER: Professor Gosta Jagersten, Di- 

 rektor, and Professor of Zoology and Comparative 

 Anatomy, Uppsala Universit)', Uppsala, Sweden. 



SPONSORING agency: Uppsala Universitet (University 

 of Uppsala). 



YEAR FOUNDED: 1915. 



SCOPE OF ACTIVITIES: Devoted primarily to summer 

 instruction in general marine biology; research on 

 plankton, bottom ecology, and morphology. 



SEASON OF OPERATION: Summer. 



PHYSICAL ENVIRONMENT ACCESSIBLE: Skagerrak ; open 

 ocean, sandy and silty beaches, rocky and gra\elly 

 shores and fjord. 



PROVISION FOR VISITING SCIENTISTS: None. 



MAJOR RESEARCH AND TEACHING FACILITIES: Small 



library ; running sea water. 



Uppsala Universitet, Limnolo^iska Institn- 

 tionen 



UNIVERSITY OF UPPSALA, INSTITUTE OF LIMNOL- 

 OGY 



POSTAL ADDRESS: 



Headquarters: Limnologiska Institutionen, Uppsala, 



Sverige, (Sweden) 

 Branch laboratory: Erkenlaboratoriet, Norrtaelje. 



LOCATION: Lake Erken is 50 km east of Uppsala and 

 65 km northeast of Stockholm. 



EXECUTIVE officer: Dr. C. O. W. Rodhe, Director 

 and Professor of Limnology. 



YEAR founded: Uppsala, 1949, Erkenlaboratoriet, 

 1944. 



SCOPE of ACTIVITIES: Unrestricted limnological re- 

 search; graduate and undergraduate instruction. 



SEASON of OPERATION: All year. 



PHYSICAL ENVIRONMENT ACCESSIBLE: Lake Erken 

 (eutrophic lake) ; rivers and streams. 



PROVISION FOR VISITING SCIENTISTS: Research and liv- 

 ing space for 5-10 visitors at Erken; no fees charged 

 for research space. 



MAJOR RESEARCH AND TEACHING FACILITIES: At 



Uppsala: laboratories for waterchemistry, radioac- 

 tivity, microbiology, hydrobiology and applied limnol- 



LIMNOLOGISKA LABORATORIET VID ERKEN 



ogy. At Erken laboratory: laboratory for water-chemis- 

 try and hydrobiology. Boats and outboard motors. 



INSTRUCTIONAL PROGRAM: At Uppsala: theoretical 

 and applied limnology. At Erken laboratory: field 

 classes. 



SIZE OF STAFF: One at professional level; 4 assistants; 4 

 technicians. 



MAJOR CURRENT RESEARCH PROJECTS AND SCIENTIFIC 

 LEADERS: 



Primary production and its conditions ( W. Rodhe) 

 Fish ecology and fisheries in Lake Erken (T. 



Anderson ) 

 Bottom fauna in Lake Erken (G. Sandberg) 

 Zooplankton in Lapland lakes (J. Axelson) 

 Chemical conditions in the River Fyris (O. Lindgren) 

 Chemical composition of lake waters (T. Ahl) 

 Phosphorous and nitrogen budget in a polluted lake (L 



(Ahlgren) 

 Production in a salmon-breeding pond (R. Arnemo) 

 Production of epiphytic algae in Lake Erken (L. 



Kronborg) 

 Trophic relations between phyto- and zooplankton 



(A. Nauwerck) 



Laboratories for Which No Detailed In- 

 forjuation Was Available: 



Biologiska Station i Annsjon, Ami, Sverige 

 Lector Lars Faxen, Linkoping. 

 Sponsoring agency: Uppsala Universitet. 



V axtjysiolo giska Institutionen, Uppsala, Sverige 

 Professor Einar du Rietz. 

 Sponsoring agency: Uppsala Universitet. 



