22 
Table I. - Aerial Census of Waterfowl Production - Adirondack Stratum 
Size in , Size in Size of Size of Ducks Observed Ducks Observed Production 
Sq. Mi. Linear Sample Sample in Sample / Sq. or L. Mi. Index 
Type Year m Miles** Sq. Mi. L. Mi.  Broods Pairs Broods Pairs Broods Pairs 
Transect 1951 15, 893 - 81.4 ~ 4 4 0.05 0.05 795 795 
1952 (3) 15, 893 - 81.4 - | 2 1 0.02 0.01 318 159 
1953 11, 893 - (no transect sampling---------------------------- pect ree eee ) 
Lakes’ 1951 - 1,133 - 128 2 0 0.02 0 23 0 
1952 (3) - 1,133 - 128 l 0 0.01 0 11 0 
1953 - 1,195 0 128. 9 4 0.07 0.03 84 36 
Rivers 1951 - 450 - 62 2 2 0.03 0.03 14 14 
1952 (3) - 450 - 62 l 0 0.02 0 9 0 
1953 - 235 - 60.5 8 5 0.13 0.08 31 19 
Swamps 1951 23.6 - Z2.9 - 11 0 3.79 0 89 0 
1952 (3) , #£3.6 - 2.9 - 3 Z 1.03 0.69 24 16 
1953 35.0 - 2.9 - 1 2 0.34 0.69 12 24 
Marshes 1951 24.2 - 5.3 - 18 4 3.40 0.75 82 18 
1952 (3) 24.2 - 5.3 - 3 4 0.57 0.75 14 18 
1953 22.0 - 2.1 - 1 1 0.48 0.48 1] ll 

* Includes only transects, swamps and marshes. 
** Includes only shoreline of all major lakes and rivers. 
(1) Includes only random samples of transect area, swamps and marshes to give + 30 percent 
error. _ 
(2) Includes only random samples of shoreline of major lakes and river to give + 20 percent 
error for rivers; recommended minimum for lakes, 
(3) Figures for the July 2 to 14 flights only; also flown in 1952 on July 22-28. 

