34 



Canada 



Branch laboratory: Laboratory for Experimental 

 Limnology, Southern Research Station, Maple, On- 

 tario. 

 Field station: Opeongo Limnological Laboratory, 

 Algonquin Park, Ontario. 



EXECUTIVE OFFICER: Dr. F. E. J. Fry, Professor of 

 Limnology. 



SPONSORING AGENCIES: University of Toronto and 

 Ontario Department of Lakes and Forests. 



YEAR founded: 1920. 



SCOPE OF activities: Unrestricted research in general 

 limnology, fish populations, physiology, plankton stud- 

 ies, productivity, bottom organisms and stream eco- 

 logy ; graduate instruction. 



season of OPERATION: All year at University and 

 Maple Laboratories; May 1 to November 30 at 

 Opeongo field station. 



PHYSICAL ENVIRONMENT ACCESSIBLE: Lake Ontario 

 and others of the Great Lakes; numerous other oligo- 

 trophic lakes in Canadian Shield and in Algonquin 

 Park; rivers. 



PROVISIONS FOR VISITING SCIENTISTS: Space for about 

 10 visitors at various stations; living quarters available 

 at field station. 



MAJOR RESEARCH AND TEACHING FACILITIES: Very 



extensive limnological library at the Department of 

 Zoology; large outdoor ponds, aquarium tanks; ex- 

 tensive research and identified reference collections of 

 fish available at the Royal Ontario Museum; machine 

 and wood shop, electrical and electronic shop, skilled 

 shop workmen available, all at the Department of 

 Zoology; small boats and outboard motors. 

 INSTRUCTIONAL PROGRAM: Limnology, autecology, 

 aquatic entomology at graduate level ; usual variety of 

 zoological courses at undergraduate level. 

 SIZE OF STAFF: Eight at professional level; 8 tech- 

 nicians, 

 important species available for laboratory 



studies: 

 Pisces: Salvelin/is namaycush, S. fontinalis, Core- 



gonus cli/pedjorm'n, Leiic'ichthys arledi, hybrids of 



Salvelinus ( namaycush x fonlinahs) 

 Aquatic insects (lake and stream) 



MAJOR current RESEARCH PROJECTS AND SCIENTIFIC 



leaders; 



Activity patterns of fish with respect to light (R. R. 

 Langford and K. C. Fisher) 



Analysis of locomotion of fish in gradients (C. Sulli- 

 van) 



Distribution of zoopiankton in relation to water move- 

 ments (R. R. Langford) 



Dynamics of bottom fauna of lakes (F. P. Ide) 



Ecology of stream insects with particular reference to 

 Ephemeroptera (F. P. Ide) 



Effect of temperature and oxygen content on the de- 

 velopment of fish eggs (F. E. J. Fry) 



Effect of temperature and salinity on life processes in 

 fish (O. Kinne) 



Effect of the ionic content of water on morphological 

 and physiological features of fish (F. E. J. Fry) 



Effect of yolk content on myomere count in fish em- 

 bryos (F. E. J. Fry) 



Effects of end products of metabolism on respiration of 

 fish (F.E.J. Fry) 



Electron microscope studies of the capsular membrane 

 of fish eggs and its hardening (K. C. Fisher) 



Factors influencing reproductive cycle in fish (F. E. J. 

 Fry) 



Feeding behavior of zoopiankton (F. Rigler) 



Genetic studies of hybrids of Salvelinus (F. E. J. Fry 

 and L. Butler) 



Irrigation of fish gills (F. E. J. Fry) 



Nutrient dynamics of lakes (F. Rigler) 



Population changes in zoopiankton (R. R. Langford) 



Population dynamics of aquatic insects in salmon 

 streams following spraying with D.D.T. (F. P. Ide) 



Swim bladder studies on salmonoids (F. E. J. Fry) 



Transfer of nutrients, phytoplankton to zoopiankton 

 (R. R. Langford) 



Vancouver Public Aquarium Association Labor- 

 atory 



POSTAL ADDRESS: Box 8, Stanley Park, Vancouver 8, 



British Columbia, Canada. 

 EXECUTIVE OFFICER: M. A. Newman, Curator. 

 SPONSORING AGENCY: Vancouver Public Aquarium 



Association. Close cooperation maintained with the 



University of British Columbia. 



YEAR FOUNDED: 1956. 



SCOPE OF ACTIVITIES: LInrestricted aquatic research. 

 SEASON OF OPKRATION: All year. 



PHYSICAL ENVIRONMENT ACCESSIBLE: Sandy and silty 

 beaches, rocky and gravelly shores, brackish, shallow 



VANCOIIVFH PUBLIC AQUARIUM ASSOCIATION LABORATORY 



