MISSISSIPPI FLYWAY 
Production Indices - 
Table IV - Waterfowl Brood Survey - Magee Marsh (1,960 Acres) 
—o Shee le me ae ee a ee ee : : ; 
No. of Brds. Brds./Sq. Mi..Percent Yng. /Brd. Percent 
Species 1955 1956 == 1955 1956 Change 1955-1956 Change 
Mallard A 40% oS 87 tee? pt ea -9 
Black Duck 3 5 -98 1.63 +66 #6.1 6.2 + 2 
B.W. Teal 3 A -98 1.31 +33 - 6.0 5:0 ne 
Wood Duck LZ 3 3.92 .98 ~~ 75 6.3 9.2 aus. 
Total 22 ak 719 7G Same Ged 6.7 °”~C 
* Four of the broods at Magee Marsh during 1956 were hand-reared 
mallards. 
Table V -.Waterfowl Brood Survey - Streams (160-Linear Miies)* 
No. of Brds. Brds./Li.Mi. Percent Yng./Brd. Percent 
Species T955 1956 1955 1956 Change 1955 1956 Change | 
LSS Saas = == = a oa SSE a = a . : : : = 
Wood Duck 33 60 . 336 .375 + 12 7.5 23 Same 
Mallard 3 4 ~028 .025 - ll 7.1 7.0 - 1. 
Black Duck - ] - , 006 ms 4 7:0 = 


Total 36) 65 .364 .406 + 12 ie, Tale ee A 

* 107 linear miles surveyed during 1955. 160 Linear miles surveyed 
during 1956. Different areas surveyed during 1955 and 1956. 
Table VI- Waterfowl Brood Survey - Delaware Reservoir Area (42 Oné- 
half Acre Ponds) ** | ; 
Broods Per Acre 


’ No. of Broods _| of :Water Percent 
Species 1955 1956 1955 — 1956 Change 
Wood Duck 22 22 1,05 1.05 — Same 
Mallard ; 12 10 ~Dat ~ 48 - 17 
Blue-winged Teal Pd 15 shY mth” +700 
Black Duck | ] 3 05 14 +200 
Total é 37 BO 1.76 2. 38> +235 

ae eee oe ee ee a ee ss 
81 
