120 



U. S. BUREAU OF FISHERIES 



quantity used in the previous season; and with 176 driven and 175 

 floating traps, an increase of 5 and 20, respectively, over the number 

 operated in 1923. 



Corresponding figures for central Alaska show 115 seines, or 16,835 

 fathoms, as compared with 130 seines, or 25,841 fathoms, in 1923; 

 799 gill nets, or 58,290 fathoms, as against 1,085 gill nets of 63,237 

 fathoms in 1923, showing a reduction of 288 nets and 4,947 fathoms. 

 The number of traps operated was 97 driven and 5 floating, as com- 

 pared with 106 and 7, respectively, in 1923. 



Western Alaska used 4 seines, or 500 fathoms of webbing, a re- 

 duction from the number shown in 1923 of 11 seines, or 375 fathoms 

 of webbing. A total of 1,916 gill nets was used, having an aggregate 

 length of 243,600 fathoms, a reduction of 240 nets or 27,460 fathoms 

 in the quantity of webbing used. Five driven traps were operated, 

 the same number as in 1923. 



Seines caught approximately 32 per cent of the salmon taken in 

 1924, gill nets 17 per cent, and traps 49 per cent, while lines and 

 wheels took the remaining 2 per cent. 



Percentage of salmon caught in each Alaska district, by principal forms of apparatus 



The total catch of salmon in 1924 was 79,477,600, an increase of 

 2,055,289, or 214 per cent, over the number taken in 1923. Central 

 Alaska gained 16,977,707, while southeastern and western Alaska 

 fell off 8,549,621 and 6,372,797, respectively. The catch by species 

 shows that cohos increased 120,066, chums 2,976,153, humpbacks 

 6,822,304, and kings 112,880. lleds decreased 7,976,114. 



Salmon taken in 1924, by apparatus and species, for each geographic section of 



Alaska 



Apparatus and species 



Southeast 

 Alaska 



Seines: 



Coho, or silver 



Chum, or keta 



Humpback, or pink 



King, or spring 



Red, or sockeye 



Total 



Gill nets: 



Coho, or silver 



Chum, or keta 



Humpback, or pink 



King, or spring 



Red, or sockeye 



Total 



178, 667 



4. 375, 396 



9, 562, 136 



9, 568 



563, 005 



14, 688, 772 



139, 340 

 28. 273 



332, 794 

 79, 538 



472, 798 



1, 052, 743 



Central 

 Alaska 



104, 754 

 467, 780 



7, 676, 977 

 1,470 



1,322,973 



9, 573, 954 



Western 

 Alaska 



17,739 



673, 846 



4,989 



463, 672 



1, 160, 246 



132, 974 

 148, 232 



174,875 



30, 892 



990, 454 



1, 477, 427 



40, 376 



447, 970 



102, 978 



119,590 



10,284,281 



10, 995, 195 



Total 



283, 421 



4,860,915 



17,912,959 



16,027 



2, 349, 650 



25, 422. 972 



312,690 

 624, 475 

 610, 647 

 230, 020 

 11,747,533 



13, 525, 305 



