Waterfowl Population Status, 2007

• Main Authors: Garrettson, Pamela R., Moser, Timothy J., Wilkins, Khristi
• Format: Text
• Language: unknown
• Published: DigitalCommons@University of Nebraska - Lincoln 2007
• Subjects: Arctic; Canada; Parkland; Brant; Canada Goose; Northern Shoveler; Shoveler; Tundra; Tundra Swan
• Online Access: https://digitalcommons.unl.edu/usfwspubs/399; https://digitalcommons.unl.edu/context/usfwspubs/article/1398/viewcontent/Status_of_waterfowl_2007.pdf

Table of Contents ACKNOWLEDGMENTS. 2 Status of Ducks METHODS . 5 RESULTS AND DISCUSSION.7 REFERENCES. 30 Status of Geese and Swans METHODS . 32 RESULTS AND DISCUSSION. 34 Appendices Appendix A. Individuals who supplied information on the status of ducks . 48 Appendix B. Individuals who supplied information on the status of geese and swans. 50 Appendix C. Strata and transects of the Waterfowl Breeding Population and Habitat Survey. 52 Appendix D. Estimated number of May ponds and standard errors in portions of Prairie and Parkland Canada and the northcentral U.S. . 53 Appendix E. Breeding population estimates for total ducks and mallards for states, provinces, or regions that conduct spring surveys . 54 Appendix F. Breeding population estimates and standard errors for 10 species of ducks from the traditional survey area . 56 Appendix G. Total breeding duck estimates for the traditional survey area, in thousands. 58 Appendix H. Breeding population estimates and 90% confidence intervals or credibility intervals For the 10 most abundant species of ducks in the eastern survey area…………………….59 Appendix I. Abundance indices for North American Canada goose populations, 1969-2007. 60 Appendix J. Abundance indices for light goose, greater white-fronted goose, brant, emperor goose, and tundra swan populations during 1969-2007. 61 List of Duck Tables Table 1. Estimated number of May ponds in portions of Prairie and Parkland Canada and the northcentral U.S. . 9 Table 2. Total duck breeding population estimates . 12 Table 3. Mallard breeding population estimates . 13 Table 4. Gadwall breeding population estimates. 18 Table 5. American wigeon breeding population estimates . 18 Table 6. Green-winged teal breeding population estimates . 19 Table 7. Blue-winged teal breeding population estimates . 19 Table 8. Northern shoveler breeding population estimates . 20 Table 9. Northern pintail breeding population estimates . 20 Table 10. Redhead breeding population estimates . 21 Table 11. Canvasback breeding population estimates . 21 ...