Moose Ecology Study Jackson Hole Wyoming
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Moose Ecology Study Jackson Hole Wyoming
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Author : Douglas B. Houston
language : en
Publisher:
Release Date : 1965
Moose Ecology Study Jackson Hole Wyoming written by Douglas B. Houston and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1965 with Grand Teton National Park (Wyo.) categories.
Ecology Of Shiras Moose In Montana
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Author : Montana. Department of Fish and Game
language : en
Publisher:
Release Date : 1974
Ecology Of Shiras Moose In Montana written by Montana. Department of Fish and Game and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with Mammals categories.
Isle Royale National Park N P Wilderness Study B1 Ecology Of The Isle Royale Moose 1974 B2 Statement For Management 1978 B3 Revised Statement For Management 1979 B4 Windigo Area Management Assessment Of Alternatives 1979
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Author :
language : en
Publisher:
Release Date : 1971
Isle Royale National Park N P Wilderness Study B1 Ecology Of The Isle Royale Moose 1974 B2 Statement For Management 1978 B3 Revised Statement For Management 1979 B4 Windigo Area Management Assessment Of Alternatives 1979 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with categories.
Ecology Of Moose In Fremont County Idaho
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Author : Brent W. Ritchie
language : en
Publisher:
Release Date : 1978
Ecology Of Moose In Fremont County Idaho written by Brent W. Ritchie and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Animal ecology categories.
Moose Ecology
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Author :
language : en
Publisher:
Release Date : 1969
Moose Ecology written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Moose categories.
The Ecology Of The Isle Royale Moose With Special Reference To The Habitat
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Author : Laurits W. Krefting
language : en
Publisher:
Release Date : 1974
The Ecology Of The Isle Royale Moose With Special Reference To The Habitat written by Laurits W. Krefting and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with Isle Royale National Park (Mich.) categories.
Wolf Ecology And Prey Relationships On Isle Royale
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Author : Rolf Olin Peterson
language : en
Publisher:
Release Date : 1977
Wolf Ecology And Prey Relationships On Isle Royale written by Rolf Olin Peterson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Eastern wolf categories.
Moose Ecology Study
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Author : Douglas B. Houston
language : en
Publisher:
Release Date : 1966
Moose Ecology Study written by Douglas B. Houston and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1966 with Moose categories.
Ecological Dynamics On Yellowstone S Northern Range
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 2002-02-01
Ecological Dynamics On Yellowstone S Northern Range written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-02-01 with Science categories.
Ecological Dynamics on Yellowstone's Northern Range discusses the complex management challenges in Yellowstone National Park. Controversy over the National Park Service's approach of "natural regulation" has heightened in recent years because of changes in vegetation and other ecosystem components in Yellowstone's northern range. Natural regulation minimizes human impacts, including management intervention by the National Park Service, on the park ecosystem. Many have attributed these changes to increased size of elk and other ungulate herds. This report examines the evidence that increased ungulate populations are responsible for the changes in vegetation and that the changes represent a major and serious change in the Yellowstone ecosystem. According to the authors, any human intervention to protect species such as the aspen and those that depend on them should be prudently localized rather than ecosystem-wide. An ecosystem-wide approach, such as reducing ungulate populations, could be more disruptive. The report concludes that although dramatic ecological change does not appear to be imminent, approaches to dealing with potential human-caused changes in the ecosystem, including those related to climate change, should be considered now. The need for research and public education is also compelling.
Yellowstone And The Biology Of Time
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Author : Mary Meagher
language : en
Publisher: University of Oklahoma Press
Release Date : 1999-02-01
Yellowstone And The Biology Of Time written by Mary Meagher and has been published by University of Oklahoma Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-02-01 with History categories.
Established in 1872, Yellowstone National Park is the oldest and one of the largest national parks in the world. In this remarkable book, scientists Mary Meagher and Douglas B. Houston present 100 sets of photographs that compare the Yellowstone of old with the park of today. Most of the photo sets include three pictures-not the usual two-with many of the original views dating back to the 1870s and 1880s. From the same photo points used by early photographers, Meagher and Houston rephotographed the scenes in the 1970s, and then, following the great fires of 1988, again in the 1990s. The result is an illuminating record of Yellowstone's dynamic ecosystem and its changes over time. Through close analysis of the photos and reference to the vast amount of available data, Meagher and Houston describe changes in vegetation, growth of wildlife populations, the effect of beaver occupancy on wetland areas, and geothermal and elevational shifts. At the same time they point out the extent to which many sites have not changed-despite important switches in park policy and an increase in human activity. Yellowstone National Park has long been the focus of major ecological debates. Should managers allow wildfires to burn? Should the elk and bison populations be controlled? Are too many people visiting the park? Yellowstone And The Biology Of Time offers a wealth of information to help us answer these questions. A visual treasure, this book will be of value to scientists from various disciplines as well as to the many people who care about Yellowstone and other protected wilderness areas around the world.