CHANGES IN VEGETATION STRUCTURE IN 
SEEDED NESTING COVER IN THE 
PRAIRIE POTHOLE REGION 
By Kenneth F. Higgins 
William T. Barker 
¢ 
of SN 
at 
iy x 
NS Lt 
Ww, te batt, 
t. ef \ & 
rs al 4 
1 th > o*. 
5 + uy? 
fe SPN 
f Xx 
ae 
Atay 
wes 
ia -~ x 
4, “Ty: 
Yb 
a” 
\ 
Gee 
cy 

UNITED STATES DEPARTMENT OF THE INTERIOR 
FISH AND WILDLIFE SERVICE 
Special Scientific Report — Wildlife No. 242 
Washington, D.C. ¢ 1982 
“HE 

