CENTRAL FLYWAY 
South Dakota - July Survey - Continued 

Late Nesting Index 
Species Stratum 1 Stratum 2 Stratum 3 State Total 

3 9,118 9,194 8, 
ShovelLer 1,523 970 T45 3> 238 
Gadwall - 485 ~ 485 
B-W Teal 4,950 16,005 3,727 24,682 
Redhead = 1,940 - 1,940 


Pond Index 94.438 120,280 187 ,866 ho2, 584 

Ponds/sq. mi. 4.5 4.7 Tel 54 

Conclusions 
In view of the increase in breeding population and broods it is 
concluded that there will be a moderate increase in the fall flight of 
ducks from South Dakota as compared to 1957. 
73 
