United Stales of Ameri 



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UNDEKWAITR OBSERVATION TANK. SAGEHEN CKIIK 



experimental wildlife and fisheries station 



important species available for laboratory 



studies: 

 Pisces: Sal mo ga'nchieri, S. trutta, Sal vel inns jonti- 



nalis 

 Diptera: Chironomits spp. 

 Ephemeroptera: EpheinerelLi spp. 



MAJOR CURRENT RESEARCH PROJECTS AND SCIENTIFIC 

 LEADERS: 



Population fluctuations coupled with exploitation rates 

 derived from creel census (P. R. Needham and 

 Richard Gard) 



Fluctuations in abundance of the macrofauna of Sage- 

 hen Creek (P. R. Needham) 



Research on a hanging bog ( H. L. Mason) 



Experimental improvements of tributaries of Sagehen 

 Creek at high elevations (Richard Gard) 



Scr'tpps Institution of Oceanography 



POSTAL ADDRESS: P. O. Box 109, La Jolla, California, 



USA. 

 LOCATION: Northwestern San Diego. 

 EXECUTIVE officer: Dr. Roger Revelle, Director. 

 SPONSORING AGENCY: University of California, San 



Diego. 



YEAR FOUNDED: 1903. 



SCOPE OF activities: Restricted and unrestricted re- 

 search in general oceanography; graduate instruction. 



season of operation: All year. 



physical environment accessible: Pacific Ocean; 

 sandy and silty beaches, rocky and gravelly shores. 



provisions for visiting scientists: Space for visitors; 

 living quarters available nearby. 



MAJOR research AND TEACHING FACILITIES: Exten- 

 sive library ; running sea and fresh-water; large re- 



search collections especially of marine fishes and zoo- 

 plankton; living culture collections of phytoplankton 

 and bacteria; a good many identified reference collec- 

 tions of local fauna and flora; machine and wood 

 shops, electrical and electronic shop, skilled shop work- 

 men available; small boats inboard and outboard; 

 larger vessels with shipboard laboratories: 215 ft 

 LOA, Argo, 180 ft LOA, Alexander Agassiz, 143 ft 

 LOA, Spencer F. Baird, 143 ft LOA, Horizon, 128 ft 

 LOA, Hugh M. Smith, 100 ft LOA, Oconostota, 134 

 ft LOA, Stranger, 80 ft LOA, Paolina-T, 65 ft LOA, 

 T-441. 



INSTRUCTIONAL PROGRAM: Plankton, biological, chem- 

 ical and physical oceanography, biochemistry, phy- 

 siology, microbiology, and marine vertebrates. 



SIZE OF staff: Very large. 



important species available for laboratory 

 studies: 

 Marine culture collections include various marine dino- 



flagellates, diatoms and bacteria. 

 Various invertebrate species of the major marine phyla 

 and classes. 



MAJOR CURRENT RESEARCH PROJI.CTS AND SCIENTIFIC 

 LEADERS: 



Ecology of benthic invertebrates (E. W. Pager) 

 Physiology of diving animals (P. F. Scholander) 

 Dynamic analysis of zoogeography (Carl L. Hubbs) 

 Effects of increased pressure on microorganisms 



(Claude E. ZoBell) 

 Nature, distribution and function of algal pigments 



(Francis T. Haxo) 

 Biology of marine zooplankton (Martin W. Johnson) 

 Marine life research program (John D. Isaacs) 

 Biochemistry of animal pigments (D. L. Fox) 

 Biochemistry of skeleton formation by diatoms (B. E. 



Volcani) 

 Factors affecting movements of flagellates (Ralph A. 



Lewin) 

 Biochemistry of lipids (A. A. Benson) 

 PUBLICATIONS ISSUED: B/illetin of the Scrip ps Institu- 

 tion of Oceanography (occasionally published) 



SCRIPPS INSTITUTION OF OCEANOGRAPHY 



