ll2 

Table VI. - Total Species Index - Northern Saskatchewan, 1954-1955. 
a 

Species Change Percent 
Composition Species Index 2-Year From From 
Species 1954 1955 1954 1955 Average 1954 Average 
Mallard 28.0 21 109, 405 143,587 126,496 + 31.2 + 13.5 
Black Duck ~ - = ‘ = L 
Gadwall - Tr - 285 142 - +100.7 
Baldpate 1.4 1. 5,470 11, 362 8,416 +107.7 + 35.0 
Pintail 3.0 l. 11, 723 8,538 19, 130 - 27.2 - 15.7 
G-w. Teal 6 1. 2,344 9,589 5,966 +309.1 + 60.7 
B-w. Teal 1.8 7, 033 1,423 4,228 - 79.8 - 66.3 
Shoveler so 1,953 569 1,261 - 70.9 - 54.9 
Merganser 10.317. 40,245 113,091 76,668 +181.0 + 47.5 
Redhead 1.3 5,079 1, 708 3, 393 - 66.4 - 49.7 
Ringneck i: 6. 9,768 45,774 26,473 +368,.6 + 72.9 
Canvasback 3.3 l. 12, 894 10,530 11,712 - 18.3 - 10.1 
L. Scaup 33.5 38. 130,895 251,797 191,346 + 92.4 + 31.6 
Goldeneye nie l. 781 12, 566 6,673 +1508,9 + B8.3 
Ruddy Duck 7 2,735 - 1, 367 - - 
Bufflehead 5.1 3. 19, 927 24,954 22,440 + 25.2 t Ae 
Scoter 7.8 3. 30,477 22,876 26,676 - 24.9 - 14.2 
Total Ducks 390,729 658,649 524,689 + 68.6 + 25,5 
CG. Goose 819 3, 262 2,040 4298.2 + 59.9 

