Behavior, Energetics, and Habitat Relations of Canvasback Ducks During Winter and Early Spring Migration PDF Download
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Author: James Ridley Lovvorn
Publisher:
ISBN:
Category : Canvasback
Languages : en
Pages : 386
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Book Description
Author: James Ridley Lovvorn
Publisher:
ISBN:
Category : Canvasback
Languages : en
Pages : 386
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Book Description
Author: Loren M. Smith
Publisher: Texas Tech University Press
ISBN: 9780896722040
Category : Business & Economics
Languages : en
Pages : 586
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Book Description
This important compilation on habitat management for waterfowl throughout North America addresses practicing waterfowl biologists and managers, researchers, and students of waterfowl ecology and management.
Author: Janet Kear
Publisher:
ISBN: 9780198610090
Category : Nature
Languages : en
Pages : 484
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Book Description
Author:
Publisher:
ISBN:
Category : Wildlife conservation
Languages : en
Pages : 752
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Book Description
Author:
Publisher:
ISBN:
Category : Birds
Languages : en
Pages : 906
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Book Description
Author:
Publisher:
ISBN:
Category : Conservation of natural resources
Languages : en
Pages : 316
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Book Description
Author:
Publisher:
ISBN:
Category : Zoology
Languages : en
Pages : 724
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Book Description
Author: Wisconsin. Department of Natural Resources
Publisher:
ISBN:
Category : Conservation of natural resources
Languages : en
Pages : 762
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Book Description
Author: Donald W. Sparling
Publisher:
ISBN:
Category : Canvasback
Languages : en
Pages : 18
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Book Description
Author: Joseph J. Kerekes
Publisher: Springer Science & Business Media
ISBN: 9401111286
Category : Science
Languages : en
Pages : 513
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Book Description
Birds are an integral part of most freshwater ecosystems (lakes, rivers, wetlands) but their role in the trophic dynamics of these water bodies has often been overlooked. As a conspicuous part of the biota of water bodies, aquatic birds are indicators of their trophic state both in terms of species composition (quality) as well as occupancy and breeding (quantity). Birds may also influence the trophic state of a water body by importing nutrients (.e.g. resident or migrating birds feeding on adjacent watersheds or the sea). Because of anthropogenic activities, predation or their mobility, birds may not utilize otherwise suitable aquatic habitat. These factors complicate the relationship between aquatic bird production and the trophic status of habitats. As a consequence, the role of aquatic birds in freshwater ecosystems has usually been ignored. This volume contains a wide range of papers selected from those presented at the symposium and reviewed.
