Population Ecology of the Mallard: Munro, R.E. and Kimball, C.F. Distribution and derivation of the harvest PDF Download
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Author: David Raymond Anderson
Publisher:
ISBN:
Category : Bird populations
Languages : en
Pages : 142
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Book Description
Simple experiments and observations reveal the physical properties of light.
Author: David Raymond Anderson
Publisher:
ISBN:
Category : Bird populations
Languages : en
Pages : 142
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Book Description
Simple experiments and observations reveal the physical properties of light.
Author:
Publisher:
ISBN:
Category : Bird populations
Languages : en
Pages :
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Book Description
Author: U.S. Fish and Wildlife Service
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Robert E. Munro
Publisher:
ISBN:
Category : Bird populations
Languages : en
Pages : 127
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Book Description
This is the seventh in a series of comprehensive reports on the population ecology of the mallard in North America. Banding records for 1961-1975 were used, together with information from previous reports in this series, to estimate annual and average preseason age and sex structure of the mallard population and patterns of harvest distribution and derivation. Harvest distribution, derivation, and similarity of derivation between harvest areas are summarily illustrated with maps. Derivation of harvest appears to be consistent throughout the hunting season in the middle and south central United States, encompassing States in both the Central and Mississippi flyways. However, weekly derivation patterns for most northern States suggest that early dates of hunting result in relatively greater harvest of locally derived mallards, in contrast to birds from more northern breeding areas.
Author: Byron K. Williams
Publisher: Academic Press
ISBN: 0127544062
Category : Juvenile Nonfiction
Languages : en
Pages : 837
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Book Description
Analysis and Management of Animal Populations deals with the processes involved in making informed decisions about the management of animal populations. It covers the modeling of population responses to management actions, the estimation of quantities needed in the modeling effort, and the application of these estimates and models to the development of sound management decisions. The book synthesizes and integrates in a single volume the methods associated with these themes, as they apply to ecological assessment and conservation of animal populations. Integrates population modeling, parameter estimation and decision-theoretic approaches to management in a single, cohesive framework Provides authoritative, state-of-the-art descriptions of quantitative approaches to modeling, estimation and decision-making Emphasizes the role of mathematical modeling in the conduct of science and management Utilizes a unifying biological context, consistent mathematical notation, and numerous biological examples
Author:
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ISBN:
Category : Duck shooting
Languages : en
Pages : 36
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Book Description
Author:
Publisher:
ISBN:
Category : Canada goose
Languages : en
Pages : 124
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Book Description
Author: Robert E. Munro
Publisher:
ISBN:
Category : Bird populations
Languages : en
Pages : 127
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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: Milton Webster Weller
Publisher: U of Minnesota Press
ISBN: 0816615713
Category : Science
Languages : en
Pages : 650
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Book Description
Waterfowl in Winter was first published in 1988. Minnesota Archive Editions uses digital technology to make long-unavailable books once again accessible, and are published unaltered from the original University of Minnesota Press editions. The emphasis in research on waterfowl has traditionally focused on breeding as opposed to migrant or wintering birds. Scientists have long been interested in courtship, nest sites, laying, and brood-rearing, and they have also been concerned about losses of eggs, young, nesting hens, and breeding habitats, especially as they have affected the goal of increasing populations. But lately there has been an upsurge of interest and research on the migratory and wintering phases, and this volume offers ample evidence of the knowledge gained. The authors—105 waterfowl biologists—have contributed 47 chapters that range geographically from Alaska to northern South America, and from the Pacific Northwest to Nova Scotia and Florida. Their subjects include: distributional changes due to human influence; population trends and concerns over less common species; pairing and other behavior that occurs in the wintering areas and is vital to the success of the species; feeding ecology and body condition during winter; new habitats created by such activities as aquaculture and park development; losses of habitat due to development and drainage for alternate uses; lead poisoning and pollutants that are detrimental to waterfowl; habitat management for maintenance of successful populations now and in the future. Also presented are reports of workshop discussions outlining current issues and future research needs. Preparation of this volume was assisted by an editorial board comprising Bruce J. J. Batt, Robert H. Chabreck, Leigh H. Fredrickson, and Dennis G. Raveling.
