no 



Japan 



INSTRUCTIONAL PROGRAM : General invertebrate zool- 

 ogy, study of plankton, embryology, and study of sea 

 algae. 



SIZE OF STAFF: Four at professional level; 1 technician. 



MAJOR CURRENT RESEARCH PROJECTS AND SCIENTIFIC 



leaders: 

 Survey of marine fauna and flora near Shirikishinai 

 (Hideji Yamaguchi) 



Hokkdido-Ritsu Siiisan Fukajo and Sake Masii 

 Fukajo 



HOKKAIDO FISH HATCHERY AND SALMON HATCH- 

 ERY 



POSTAL address: Nakanoshima, Toyohiro-chi, Sapporo- 

 gun, Hokkiado, Nippon (Japan). 

 Branches: Kitami, Nemuro, Tokachi, Teshio, Chitose 

 and Oshima. 

 LOCATION : Suburb of Sapporo City. 

 EXECUTIVJ-: OFFICER: Mr. T. Arai, Chief Oificer. 

 SPONSORING AGENCIES: Suisan-cho (Fisheries Agency) 

 and local government of Hokkaido. 



YEAR FOUNDED: 1941. 



SCOPE OF ACTIVITIES: Unrestricted research on culture 

 of rainbow trout and pond-smelt, etc., and culture of 

 chum, pink and landlocked blueback salmon. 



SEASON OF OPERATION: All year. 



PHYSICAL ENVIRONMENT ACCESSIBLE: Inland waters 

 and adjacent sea waters in Hokkaido; estuarine con- 

 ditions, brackish, shallow bays, eutrophic and oligo- 

 trophic lakes, rivers and streams. 



PROVISIONS FOR VISITING SCIENTISTS: Space for 2 vis- 

 itors; no tees charged. 



MAJOR RESEARCH FACILITIES: Very Small library; 43 

 hatcheries; large outdoor ponds; wood shop; small 

 boats and outboard motors. 



important species available for laboratory 

 studies: 

 Pisces: Oncorhyiichus keta. O. mason. O. iierka 



(landlocked form), Cypriuns carpio, Carassius car- 

 assiiis, Salmo irideus, S. gairdiieri, Hypomestis olidus 



PUBLICATIONS ISSUED: 



Scientific Reports of Hokkaido Sahnon Hatchery 

 Scientific Reports of Hokkaido Fish Hatchery (regu- 

 larly published journals in Japanese with English 

 summaries) 



Ibaraki Daigaku, Himinia Ritiko jikkensho 



IBARAKI UNIVERSITY. HINUMA HYDROBIOLOGICAL 

 STATION 



POSTAL address: Ibaraki Daigaku, Watari-machi, 



Mito-shi, Nippon (Japan). 

 LOCATION: Ishizaki, Ibaraki-machi. Higashi-Ibaraki- 



gun, Ibaraki-ken. 

 EXECUTIVE officer: Professor M. Sato, Director of 



Station, Biological Institute. Ibaraki University, Mito- 

 shi. 

 YEAR founded: 1956. 

 SCOPE of activities: Unrestricted research on general 



fresh-water biology, plankton, and bottom ecology. 

 season of OPERATION: All year. 

 physical environment ACCESSIBLE: Hinuma River; 



eutrophic lake. 

 provisions for visiting SCIENTISTS: Research and 



living space for 3 visitors; no fees charged for living 



space. 

 major research facilities: Small library; identified 



reference collections of Hinuma fishes; small boats 



and outboard motors. 

 SIZE of .staff: Six at professional level. 



IMPORTANT species AVAILABLE FOR LABORATORY 



studies: 

 Coelentera^a : Cordylophora japonica 

 Polychaeta: Tylorrhyncl.iiis heterochaetns 

 Crustacea: Neomysis intermedia. Eriocheir japonica 

 Mollusca: Corhiada japonica. Assiminea japonica 

 Pisces: Acanthogohiiis jlarimanits, AnguH/a japonica 



HOKKAIDO-RITSl Ml 



AND SAKE MASU FUKAJO 



HINUMA KINKO JIKKENSHO 



