PACIFIC FLYWAY 
Strata A Strata B Strata C Province 
1954 | 1955 1954 1955 1954 1955 1954 1955 
Total Area in 
Square Miles 22088 22088 26100 26100 loil2 16112 64300 64300 
———eeSoe eee eee a fe sre 1c i FE PT 
Sample Area in 
Square Miles 526.5 526.5 378.0 382.5 162.0 171.0 1066.5 1080.0 
Cae cemestiei enter a aaa AA SA a aaa tee retin et RTT md 
Total Ducks 
Seen 28518 26800 14966 16824 3278 4082 46562 48184 

A Pe Re narra 
: - fe laa eS 


Total Ducks 
Per Sq. Mile 54.16 50.90 39.56 43.98. 20.23 23.93 39.59 40.68 

Total Pairs 14259 13400. 7483 8412 1539 2041 23381 24092 

Total Pairs 
Per Sq. Mi. _ 27.08 25.45 . 19.79 21.99 10.11 11.96 19,87 20.34 


Pop. Index 
in Ducks 1196402 1124279 1033366 1147396 326020 384526 2555788 2656184 
oe 


Pop. Index 
In Pairs 598201 562140 516683 573698 163010 192268 1277894 1328092 
Percent a 
Change - 6.0 % + 11.0 % + 17.9 % + 3.9 % 

Briefly stated, population index changes in Alberta in 
1955 are as follows: 
1, The mallard population is approximately the same as 
in 1954. | 
2. Though pintails fell off about 12 percent in Stratum A, 
gains of 38 percent in the parklands and 20 percent in 
Stratum C result in an over-all gain of 3 percent. 
3. Blue-winged teal increased some 30 percent in the 
parklands and 20 percent in the prairies for a provincial 
gain of 25 percent. 
$5 
