145 
These ground counts were made during the period May 20 to June 2, which 
was about ten days later than the 1949 counts. It is believed that the timing was such 
that they are reasonably comparable with corresponding counts made in 1948 and 1949. 
Also, it is believed that all of the 1950 counts are satisfactorily indicative of waterfowl 
present, . 
Table 2 summarizes the data 
cal : gathered during the ground survey. The species 
composition is shown in Table 3. “ 
i. 
Table 2. -- Summary of Waterfowl and Water Arie, Data Obtained in Ground Surve 
a * y o 
of Breeding Grounds in North Dakota - Spring, 1950 & 
WATERFOWL fe 
Breed- Total Breeding Ducks 
Strip Lineal Sq. Mi... ing Ducks prs. per per 
No. Miles Sampled Pairs Seen Sq. Mi. Sq. Mi. Coot 
eet,“ 242 




0 60.5 377 557 6.2 9,2 51 
ll. 242.0 60.5 474 738 7.8 12.2 1] 
111 232.0 58.0 790 1178 13.6 20,3 175 
1V 233.0 58.0 1547 2580 26.7 44.5 336 
“ae ~y 245.0 61.0 1186 1879 19.4 30.8 340 . - 
Vi 211.0 53.0 693 1129 13.1 21.3 384 
Vil 205.0 51.0 459 794 9.0 15.5 360 
Vill 211.0 53.0 72 116 1.4 2.2 35 
Totals 1821.0 455,0 5598 8971 | 1692 
Average 12.3 19.7 
WATER AREAS 
7 : Number © 
Strip Lineal Sq. Mi. Total Total Per Acres per 
No Miles Sampled Number Acres Sq. Mi. Sq. Mile 


1 242.0 60.5 261 422 4.3 ° 69.7 
11 242.0 60.5 506 1068 8.4 17.7 
111 232.0 58.0 735 573 12.7 9.9° 
lV 233.0 58.0 654 1074 11.3 18.5 
Vv 245.0 61.0 927 1310 15.2 21.5 
VI 211.0 53.0 1169 689 22.1 13.0 
Vil 205.0 51.0 684 3018 13.4 59.2 
Villl 211.0 53.0 242 580 4,6 10.9 
——— eee 
Totals 1821.0 455.0 5178 8734 
Average 11.4 19.2 
