Teble 2. --Study Areas (S) ve, Transects (T) - Percent Difference 

Per sq. Mi. Apr. Per, Apr. 29 Per. May 14~ Per, July Per. 
21-25 Diff. -May 7 Diff. June 6 Diff. 5-26 Diff. 
NO DS 





S 5 « 99.8 + 122.6 4 43.3 + 
Ducks 24.9 71.8 48,2 £4..6 
, 3.8 ¢ 58.1 % $2.77 4, 28.0 & 
Breed 5 Powe + a1. } 61.7 a. oled + 
Poirs 45,9 119.4 74,8 134.4 
wv 
65) 
us 
es) 
7 
 Broods 161.2 
T °,5 % 
Table 5. --Vegetative Types of the 120 Study Potholes and 
their Relative Use by Over-—Water Nesters 




Type Seen. Willow Cattail Whitetop bulrush Misc. 
No, Fotholes 59 20 14 _ 8 1 LS 
Total Acreage i geso 45.7 55.5 24.6 | . Bae of od 
Average Size £4 £60 4.9 God ~ ol 
No, “Nests Found 
Canvasback 6 - 13 5 5 = 
Redhead 2 “ 4 a - 4s 
Imddy duck 6 = 7 ac 8 wal 
Coot 29 ye BL 9 & Hy 
Neste Fer Acre 0,380 0,04 1.35 0,61 1. 7e 0.05 

81 
