TABLE B-f. SOUTHERN MANITOBA~-1979 WATERFOWL BREEDING GROUND SURVEY RESULTS. 
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WATERFOWL BREEDING PAIR SURVEY WATERFOWL PRODUCTION SURVEY 
(NUMBERS IN THOUSANDS) (NUMBERS IN THOUSANDS) 
Te ee ee ee el ee 
1979 % CHANGE 1969-1978  % CHANGE 1979 % CHANGE 1969-1978 % CHANGE 
FROM 1978 AVERAGE FROM AVERAGE FROM 1978 AVERAGE FROM AVERACE 
MAY PONDS 776.1 -16 708.4 +10 JULY PONDS 328.7 +46 348.1 ~6 
DUCK BROOD INDEX 28.4 -37 26.2 +8 
AVG. BROOD SIZE 5.187 +5 5.405 “4 
BREEDING POPULATION ESTIMATES LATE-NESTING INDEXES 
DUCKS: 
DABBLERS: 
MALLARD 356.9 424 348.3 +2 16.4 +1 13.1 $25 
BLACK DUCK 1.8 +260 2 +800 0.0 N.C. 0.0 N.C. 
GADWALL 223.3 421 77.6 +188 4.5 +137 1.2 4275 
AMERICAN WIGEON 71.6 415 &hn2 462 3.4 +113 1.3 +162 
GREEN-WINGED TEAL 104.2 +14 110.2 ag 1.3 -65 1.3 N.C. 
BLUE-WINGED TEAL 440.7 458 524.5 -16 7.9 +5 47 468 
NORTHERN SHOVELER 85.9 +32 89.4 -4 i) +50 68 413 
PINTAIL 196.0 +116 177.4 +10 1.6 -4] 1.6 N.C. 
SURTOTAL 1,480.4 +39 1,371.8 +8 36.0 45 24.0 +50 
DIVERS: 
REDHEAD 80.6 4165 82.6 ~2 2.1 +250 .8 +163 
CANVASBACK 49.3 432 60.7 -19 .8 +100 5 +460 
SCAUP 89.6 =61 123.5 -27 5.2 421 1.9 4174 
RING-NECKED 38.7 423 liv] +195 7 +250 $3 +133 
AMERICAN GOLDENEYE 20.9 -56 20.7 4] ‘3 1 +400 
BUFFLEHEAD 11.8 -65 17.6 -33 9 2 4250 
SUBTOTAL 290.9 =29 318.2 -9 10.0 +82 3.8 +163 
MISCELLANEOUS : 
OLDSQUAW 0.0 N.C. 0.0 N.C. 0.0 N.C. 0.0 N.C. 
EIDER 0.0 N.C. 0.0 N.C. 0.0 N.C. 0.0 N.C. 
SCOTER 5 -44 9 -44 0.0 N.C. 0.0 N.C. 
RIDDY DUCK 43.7 -56 90.5 -52 4.6 439 4.5 42 
MERGANSER 17.2 +182 4b 4274 0.0 N.C. 0.0 N.C. 
SUBTOTAL 61-4 -43 96.0 ~36 4.6 +39 4.5 42 
TOTAL DUCKS 1,832.7 +16 1,786.0 43 50.7 +18 32.3 457 
COOTS 
AMERICAN COOT 182.8 -35 295.7 -38 
GRAND TOTAL 2,015.5 +8 2,081.7 -3 
