Experimental Mammalian Predator Removal And Other Factors Affecting Dabbling Duck Reproduction In North Dakota
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Experimental Mammalian Predator Removal And Other Factors Affecting Dabbling Duck Reproduction In North Dakota
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Author : Pamela Renee Garrettson
language : en
Publisher:
Release Date : 1999
Experimental Mammalian Predator Removal And Other Factors Affecting Dabbling Duck Reproduction In North Dakota written by Pamela Renee Garrettson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with categories.
In the prairie pothole region, high predation rates often reduce duck nest success below the 15-20% thought necessary for population stability. Lethal removal of mammalian predators of duck nests is one potential management option, but there is little reliable information about effects on nest success of removing mammalian predators without using poisons. On 16 4,150-ha blocks half of them trapped during spring and summer, I found higher (P0.001) nest success on trapped sites (45%) than on untrapped sites (17%). There were no year (P=0.296)year-treatment (P=0.423), or species-treatment (P0.895) effects. Nest success of blue-winged teal (Anas discors) and gadwalls (A. strepera)was higher than that of mallards (A. platyrhynchos) and pintails (A.acuta, P=0.028) on trapped and untrapped sites. Nest success was positively related to numbers of predators removed (P
Canadian Journal Of Zoology
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Author :
language : en
Publisher:
Release Date : 2011
Canadian Journal Of Zoology written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Zoology categories.
Nest Success Of Dabbling Ducks In A Human Modifield Prairie
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Author : Jaime Enrique Jimenez
language : en
Publisher:
Release Date : 1999
Nest Success Of Dabbling Ducks In A Human Modifield Prairie written by Jaime Enrique Jimenez and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with categories.
Great Plains Wildlife Damage Control Workshop Proceedings
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Author :
language : en
Publisher:
Release Date : 1987
Great Plains Wildlife Damage Control Workshop Proceedings written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Wildlife depredation categories.
Eighth Great Plains Wildlife Damage Control Workshop Proceedings
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Author :
language : en
Publisher:
Release Date : 1988
Eighth Great Plains Wildlife Damage Control Workshop Proceedings written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Bird control categories.
Current Ornithology
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Author : D.M. Power
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-06-29
Current Ornithology written by D.M. Power and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-06-29 with Science categories.
This is the only English-language publication devoted exclusively to extensive reviews and synthesis of topics on the biology of birds. The current volume includes articles on sibling competition, predation and the limitation of bird numbers, and population trends in birds of eastern North America.
Exclusionary Methods To Reduce Predation On Ground Nesting Birds And Their Nests
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Author : Jaime E. Jiménez
language : en
Publisher:
Release Date : 2001
Exclusionary Methods To Reduce Predation On Ground Nesting Birds And Their Nests written by Jaime E. Jiménez and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Birds categories.
Field Manual Of Wildlife Diseases
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Author :
language : en
Publisher: Geological Survey (USGS)
Release Date : 1999
Field Manual Of Wildlife Diseases written by and has been published by Geological Survey (USGS) this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Medical categories.
Habitat Selection In Birds
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Author : Martin L. Cody
language : en
Publisher: Elsevier
Release Date : 1987-07-09
Habitat Selection In Birds written by Martin L. Cody and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987-07-09 with Science categories.
The present book is divided into several parts. An introductory chapter serves to make the reader aware of the diversity of the subject of habitat selection in birds. Many if the various aspects of habitat selection introduced in the first chapter are developed in subsequent chapters, and thus it serves to some extent as an overview of the subject and as a "lead-in" to subsequent work.
Diseases Of Wild Waterfowl
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Author : Gary A. Wobeser
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Diseases Of Wild Waterfowl written by Gary A. Wobeser and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Management of wild waterfowl has become increasingly intensive. Many birds now hatch in managed nesting cover or in artificial nesting structures, use man-made wetlands, and winter on crowded refuges while consuming a grain diet The water they use is often limited in supply and may contain residues from its many prior users. Unfortunately, intensified management often results in new problems, among which disease is important There are many similarities between the current form of management used for some waterfowl and that used in domestic animals. In both, the objective is to maintain a healthy, productive population. Dealing with health problems in waterfowl will benefit from combining the skills of veterinary medicine and wildlife ecology. Revisiting this book after 15 years allowed me to consider changes at the interface between the two disciplines. Veterinary medicine traditionally has been concerned with the individual and with treating sick animals, while the ecologist is concerned with populations and the manager has limited interest in treating sick birds. During this period there has been a marked increase in awareness among veterinarians that they have a responsibility in wildlife and conservation biology. Curricula of many veterinary colleges now include material on non-domestic animals and attempt to put disease in an ecological context. Also during this time, waterfowl managers have become more aware of disease as a factor in population biology and there are early attempts to put numbers to "disease" in models of continental waterfowl populations.