(continued) 
Table I - lowa Waterfowl Counts, Spring Population (1949, 1950, 1951, 1952) Trend Data 
a a 


JEMMERSON'S SLOUGH INGHAM (MUD) LAKE SLOUGHS 
Dickinson County Emmet County 
160 Acres - 100% Censused 25+ Acres - 100% Censused 
1949 1950 1951 1952 1949 1950 1951 1952** 
Species a 9 ac 9 a 9 J 9 a 9 rou 2 co 9 co 9 
Mallard - - 1 1 2 3 l1 - 5 5 8 5 3 2 
Pintail - - - - - - - - - = - - 1 1 
B-w. teal 3 2 5 5 6 1 - - 8 3 9 6 28 17 
Shoveler - - - - 6 - - - - - - = 3 1 
Wood duck - - - - *12 *5 - - - = 5 5 
Redhead - - - - - - - - s 4 4 5 3 
Lesser scaup - + - = 5 1 - - 4 2 = a oe 
Ruddy duck - - - - - - - - 2 1 - - 5 2 
Total Ducks 3.6 6 6 19 5 I QO 22 12 21 #213 50 #3i 
Coot 12 10 5 2 21 0 75 


*Sex not determined and number of ducks not included in the total. 
** Not Censused, 
T2z 
