Analyses of Selected Mid-winter Waterfowl Survey Data (1955-2001) PDF Download
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Author: U.S. Fish and Wildlife Service. Region 2 Publisher: ISBN: Category : Ducks Languages : en Pages : 94
Book Description
Summarizes available wintering data and displays population trends for selected species of waterfowl. Data are presented, by species, in raw data tabulation; graphs of averages; long-term trend; and short- term trend.
Author: U.S. Fish and Wildlife Service. Region 2 Publisher: ISBN: Category : Ducks Languages : en Pages : 94
Book Description
Summarizes available wintering data and displays population trends for selected species of waterfowl. Data are presented, by species, in raw data tabulation; graphs of averages; long-term trend; and short- term trend.
Author: U.S. Fish and Wildlife Service. Region 2 Publisher: ISBN: Category : Ducks Languages : en Pages : 57
Book Description
Summarizes available wintering data and displays population trends for selected species of waterfowl. Data are presented, by species, in raw data tabulation; graphs of averages; long-term trend; and short- term trend.
Author: U.S. Fish and Wildlife Service. Region 2 Publisher: ISBN: Category : Ducks Languages : en Pages : 188
Book Description
Summarizes available wintering data and displays population trends for selected species of waterfowl. Data are presented, by species, in raw data tabulation; graphs of averages; long-term trend; and short- term trend.
Author: U.S. Fish and Wildlife Service. Region 2 Publisher: ISBN: Category : Ducks Languages : en Pages : 56
Book Description
Summarizes available wintering data and displays population trends for selected species of waterfowl. Data are presented, by species, in raw data tabulation; graphs of averages; long-term trend; and short- term trend.
Author: U.S. Fish and Wildlife Service. Region 2 Publisher: ISBN: Category : Ducks Languages : en Pages : 99
Book Description
Summarizes available wintering data and displays population trends for selected species of waterfowl. Data are presented, by species, in raw data tabulation; graphs of 3-year running averages; long-term trend; and short-term trend.
Author: Publisher: ISBN: Category : Ducks Languages : en Pages : 94
Book Description
Summarizes available wintering data and displays population trends for selected species of waterfowl. Data are presented, by species, in raw data tabulation; graphs of averages; long-term trend; and short- term trend.
Author: U.S. Fish and Wildlife Service. Region 2 Publisher: ISBN: Category : Ducks Languages : en Pages : 75
Book Description
Summarizes available wintering data and displays population trends for selected species of waterfowl. Data are presented, by species, in raw data tabulation; graphs of 3-year running averages; long-term trend; and short-term trend.
Author: William P. Johnson Publisher: Texas A&M University Press ISBN: 1603448071 Category : Nature Languages : en Pages : 194
Book Description
In this beautifully illustrated guide, two practicing wildlife biologists describe the life histories of forty-five species of ducks, geese, and swans that occur in Texas. For common species and those that breed in the state, each account begins with an interesting fact (such as, “Red-breasted Mergansers have been clocked at over 80 mph, the fastest recorded flight speed for a duck . . .”) and provides information on Texas distribution and harvest, population status, diet, range and habitats, reproduction, and appearance. Exquisite photographs, informative distribution maps, and a helpful source list accompany the species descriptions, and the book offers a glossary and full bibliography for those who want to explore the literature further. With the degradation and disappearance of the inland and coastal habitats that these birds depend upon, the natural history of these waterfowl species provides a vital reminder of the interconnectedness and crucial importance of all wetlands. Birders, biologists, landowners, hunters, outdoor enthusiasts, and all those interested in the health and preservation of our coastal and inland wetland resources will enjoy and learn from this book.
Author: U.S. Fish and Wildlife Service. Region 2
Author: U.S. Fish and Wildlife Service. Region 2
Author: U.S. Fish and Wildlife Service. Region 2
Author: U.S. Fish and Wildlife Service. Region 2
Author: U.S. Fish and Wildlife Service. Region 2
Author: U.S. Fish and Wildlife Service. Region 2
Author: 
Author: U.S. Fish and Wildlife Service. Region 2
Author: William P. Johnson
Author: U.S. Fish and Wildlife Service. Office of Migratory Bird Management
Author: Francis H. Kortright