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Technical Thematic Report No. 8. - Trends in breeding waterfowl in Canada

List of Figures

Figure 1. Strata and transects of the traditional CWS/USFWS Waterfowl Breeding Population and Habitat Survey (shaded grey) and the more recent USFWS Airplane Transect Survey (shaded blue).

Figure 2. Strata for eastern USFWS Airplane Transect Surveys of waterfowl.

Figure 3. Population trends for Canada Goose, selected diving ducks (Ring-necked Duck), and dabbling ducks (Green-winged Teal, American Black Duck, and Mallard) in the Atlantic Maritime Ecozone+, 1993-2006.

Figure 4. Population trends for selected breeding dabbling ducks (Mallard, American Black Duck, and Blue-winged Teal) and Canada Goose in the Mixedwood Plains Ecozone+, 1992-2006.

Figure 5. Population trends for selected diving ducks (Ring-necked Duck and goldeneye), dabbling ducks (Green-winged Teal and American Black Duck), and Canada Goose in the Newfoundland Boreal Ecozone+, 1990-2006.

Figure 6. Population trends for breeding American Wigeon, scaup, scoter, Mallard, and Green-winged Teal in the western Boreal Shield Ecozone+, 1970-2006.

Figure 7. Population trends for breeding Bufflehead, goldeneye, Ring-necked Duck, and Canada Goose in the western Boreal Shield Ecozone+, 1970-2006.

Figure 8. Population trends for selected breeding dabbling ducks (American Black Duck, Green-winged Teal, and Mallard) in the eastern Boreal Shield Ecozone+, 1990-2006.

Figure 9. Population trends for Canada Goose and selected diving ducks (Bufflehead, goldeneye (Common and Barrow's), and Ring-necked Duck) in the eastern Boreal Shield Ecozone+, 1990-2006.

Figure 10. Population trends for breeding Bufflehead, scaup, American Wigeon, and scoter in the western Taiga Shield Ecozone+, 1970-2006.

Figure 11. Population trends for breeding American Black Duck, Green-winged Teal, scaup, and Ring-necked Duck in the eastern Taiga Shield Ecozone+, 1990-2006.

Figure 12. Population trends for breeding American Wigeon, Green-winged Teal, Mallard, and Northern Pintail in the Taiga Plains Ecozone+, 1970-2006.

Figure 13. Population trends for breeding Canada Goose, scaup, scoter, Long-tailed Duck, and Bufflehead in the Taiga Plains Ecozone+, 1970-2006.

Figure 14. Population trends for scaup, American Wigeon, Northern Pintail, Mallard, Blue-winged Teal, Northern Shoveler, and Green-winged Teal in the Boreal Plains Ecozone+, 1970-2006.

Figure 15. Population trends for breeding Ring-necked Duck, Bufflehead, goldeneye (Common and Barrow's), and Canada Goose in the Boreal Plains Ecozone+, 1970-2006.

Figure 16. Population trends of selected ground nesting ducks (American Wigeon, Blue-winged Teal, Gadwall, Mallard, Northern Pintail, and Northern Shoveler) and Green-winged Teal in the Prairies Ecozone+, 1970-2006.

Figure 17. Population trends for breeding Canada Goose and selected over-water nesting ducks (Canvasback, Redhead, Ring-necked Duck, and Ruddy Duck) in the Prairies Ecozone+, 1970-2006