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Table III. - Duck Brood Production Indices, Quebec and Labrador - 1955, 
Strata 
Mixed Main Open Boreal & 
Glass II & IIT Boreal Boreal Forest Tundra Tundra Total 
No. Broods 0 9,328 11, 387 0 21,715 
Average Size 0 4.92 4,33 0 4.60 
No. Young 0 45,920 49, 342 0 95, 262 
NOTE: The ‘above table is Class II and III broods combined to pet average 
number of ducklings per brood. It is based on complete 
broods observed and does not give a true picture of total 
production. No transects run in Tundra Stratum. 
Table IV. - Duck Brood Production Indices, Quebec and Labrador - 1955. 
Strata 
Mixed iMearn Open Boreal& Total Total 
Class I Boreal Boreal Forest Tundra 1955 1954 % Change 
No. Broods 0 0 285 285 12,890 
Average Size 0 0 7.00 7.00 4.58 
No. Young 0 0 1,995 1,995 50,080 
Class II 
No. Broods 0 5,962 12,525 18, 487 17, 207 
Average Size 0 5. 83 4.50 4.93 4.27 
No. Young 0 34,759 56, 363 91,122 73,423 
Class III 
No. Broods 0 6,953 3,131 10, 084 8,462 
Average Size 0 4.14 3.67 3.99 4.18 
No. Young 0 28, 785 11,491 40,276 35,409 
Totals 
No. Broods 0 12,915 15, 941 28, 856 38,559 -25.16 
Average Size 0 4.92 4.38 4.62 4.35 
No. Young 0 63,544 69, 849 133,393 167,912 -20,55 
NOTE: Above data based on adjusted broods. 
unclassed broods in ratio to complete classed broods. 
No transects run in Tundra Stratum in 1955. 
* 
Includes incornplete and 
1954 figures 
have been corrected by omitting Tundra data for that year 
for comparative purposes. 
