Table V - Lac La Martre - Willow Lake Area, N. W. T. * 
Ce ean a ge 
| 1949. 1950 1951 1952 
Ducks per square mile no 9.3 7.1 11.8 
Est. duck breeding pop. index 85,500 139, 500 106, 500 177,000 
% change from previous year. + 63 - 24 + 66 
Canada geese per square mile . 26 1,2 0.7 0.93 
Est. goose breeding pop. index 3,900 18, 000 10, 500 13,950 
% change from previous year + 362 ~ 42. + 33 
Percent Species Composition, 1952 
Species Percent Species Percent 
Scoters 26.5 Shoveler 2.9 
Scaup 25.6 Goldeneye 2.6 
Pintail | 24.1 Bufflehead 2.6 
Mallard 7.6 Old squaw 1.8 
Baldpate 5.6 Green-winged teal 0.7 
* Estimated area 15,000 square miles. 
13 
Table VI - Fort Rae - Gros Cap- Eastof North Arm, Great Slave Lake, N. W. T. * 
1950 1951 1952 
Ducks per square mile 29.4 27.5 26.1 
Percent change from previous year -6.5 - 5 
Percent Species Composition, 1952 
Species Percent Species Percent 
Scaup 74.7 Baldpate 2.7 
Scoters 8.8 Green-winged teal 0.9 
Bufflehead 4,6 Merganser 0.9 
Mallard Ce Old squaw 0.6 
Pintail 3.3 
* Area unknown. 
Table VII.- Wooded Delta Mackenzie River, N. W. T. * 
1948 1949 1950 1951 
Ducks per square mile | 27.7 31.8 21.2 26.7 
Est. breeding pop. index 99,720 114,480 76, 320 96,120 
% change from previous year + 15 - 33 + 26 
Swans per square mile 1.5 . 04 1.7 .23 
Est. breeding pop. index 5,400 144 6,120 - 828 
% change from previous year - 97 + 325 - 86 
.* Estimated area 3, 600 square miles. 

1952 
32.7 
117,720 
+ 22 
~ 19 
684 
17.4 
