 QtT 
FIGURE 1 
WOOD DUCK BROODS AND YOUNG PER 100 MILES oF 
STREAM SECTIONS, INDIANA 1950 THROUGH 1959 
Broods per 100 miles 
Year | 1980. 1951 1952 1953 95h 1955 
Broods Per 100 Miles 59.2 64.2 72.3 63.6 62.6 39.2 
Average Brood Size /1 ae 7.1 7.1 #«248.8 8.3 8.6 
Young Per 100 Miles - 56 513) (560 —si56si237 
/1 Average brood size determined from whole broods only. 
1956 
16.2 
7.3 
337 
1957 
52.5 
8.9 
167 

1958 
75.5 
9.6 
725 
1959 
800 
F 600 
500 
),00 
| 300 
81.1 
8.5 
689 
