16. Average number of pink salmon caught per trap per week in each major statistical area in 



1938 26 



17. Average number of pink salmon caught per trap per week in each major statistical area in 



1939 26 



18. Average number of pink salmon caught per trap per week in each major statistical area in 



1940 27 



19. Average number of pink salmon caught per trap per week in each major statistical area in 



1941 27 



20. Average number of pink salmon caught per trap per week in each major statistical area in 



1942 28 



21. Exploitation isopleth for the total pink salmon run entering the northern part of south- 



eastern Alaska, 1938 35 



22. Exploitation isopleth for the total pink salmon run entering the northern part of south- 



eastern Alaska, 1939 36 



23. Exploitation isopleth for the total pink salmon run entering the northern part of south- 



eastern Alaska, 1941 36 



24. Exploitation isopleth for the total pink salmon run entering the northern part of south- 



eastern Alaska, 1942 36 



Tables 



1. Closing dates of fishing season in major statistical subareas of southeastern Alaska, 



1938-42 6 



2. Number of salmon traps in major statistical subareas in southeastern Alaska in 1938-42 



and 1945 6 



3. Number of tagging experiments conducted in southeastern Alaska areas during 1938-42 



and 1945 6 



4. Number of tags released and number recovered in tagging experiments in southeastern 



Alaska, 1938-42 and 1945 8 



5. Summary of release and recovery information from tagging conducted in southeastern 



Alaska during 1938-42 and 1945 10 



6. Comparison between recoveries in Sumner Strait and total recoveries, July and August 



1938-42 and 1945 12 



7. Recovery areas of tags released from traps in Icy Strait, 1941-42 14 



8. Recovery areas of tags released from traps in upper Chatham Strait, 1940-42 15 



9. Recovery areas of tags released from traps in middle Chatham Strait, 1940-42 18 



10. Recovery areas of tags released from traps in lower Chatham Strait, 1938-39 and 1941-42. . . 23 



11. Total trap catch and catch per trap in major statistical subareas in southeastern Alaska, 



1938-42 and 1945 26 



12. Time difference between average weekly catches of fish in traps in outer Icy Strait and 



four inner areas and miles traveled per day 29 



13. Time difference between average weekly catches of fish in traps in lower Chatham Strait 



and two inner areas and miles traveled per day 30 



14. Rates of travel of tagged fish estimated by regression technique 31 



15. List of ^-values for comparison between mean days out for trap recoveries and mean days 



out for seine recoveries 32 



16. Weekly survival rates, weekly exploitation rates, experimental fishing mortality rates, 



and other-loss rates for 30 groups of tagged fish 33 



IV 



