CHART 2, - Waterfowl Crop Forecast for Southern Saskatchewan as of August 1, 1952 
eT 
"Stand" "Recovery" 
Lone of + 
' Broods Value Single ¢+ _ Value July ponds 
sq. mi. (x 2) pairs / sq. mi. (x2) per sq. mi. 
5.0 50 2.5 30 
4.0 2.0 25 
3.0 30 1.8 
2,0 2U 1.0 
Satisfacto 
1.0 (ieee ee OS Ie 
0.0 0 0.0 0 
Note: Hypothetical "Perfect Crop" represents: 

5 broods / sq. mile Value 100 
2.5 late br. /sq. mile " 60 
10 pds/sq. mile, July " 70 
8 ducklings/Class III brood v 40 
3.5 11 & IlI/sq. mile " 30 
Total 300 
Adult-Juvenile equiv: 1:3 

"Late-Season 
Growing Conditions" 
bi aa A ce ail 
Value # Ducklings 
(x2) / Class Ill 
Brood 
30 8.0 
“5 7.5 
<— 
20 ~ 7.0 
~ 
~ 
~ 
= ~ 
15 ee 
Crop 
BD nn pee eerie & 
"Field Factor" 

"Crop Maturity"! Forecast Index 
be a 
(300 = "perfect! 
Value Class &IN value 
(x2) Broods per (x2) 300 
Sq. mile 280 
15 260 
40 
14 
220 
13 200 
180 
te 160 
46° 
— oe ieee a 
re os 120 
dicated atl 
80 
5 5 
5 60 
0 0 40 
G 20 
0 
