Analyses of Selected Mid-winter Waterfowl Survey Data (1955-1998) PDF Download
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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: 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 : 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 : 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 : 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: 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 : 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: Alan R. Hanson Publisher: National Library of Canada = Bibliothèque nationale du Canada ISBN: Category : Bird populations Languages : en Pages : 426
Author: Wanda W. Collins Publisher: CRC Press ISBN: 9781420049244 Category : Technology & Engineering Languages : en Pages : 352
Book Description
between the diversity of plant and animal species and host/dependent agricultural systems. Biodiversity in Agroecosystems shows how biodiversity can be thought of not only as the rich make-up of a great number of related and competing species within an ecologically defined community, but also as the robust behavior and resilience of those species over time and as the endurance of their eco-community. This book brings to the fore new research on biodiversity in agricultural ecosystems at both micro and macro levels, heretofore available only in journals and proceedings papers.
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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: Letitia T. Alston
Author: Alan R. Hanson
Author: Wanda W. Collins