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Author : Interagency Grizzly Bear Study Team
Publisher : Unknown
Page : 116 pages
File Size : 46,7 Mb
Release : 1977
Category : Bears
ISBN : COLUMBIA:CU16706455
Author : Interagency Grizzly Bear Study Team
Publisher : Unknown
Page : 114 pages
File Size : 54,5 Mb
Release : 1977
Category : Grizzly bear
ISBN : PURD:32754075491005
Author : Richard R. Knight
Publisher : Forgotten Books
Page : 60 pages
File Size : 42,6 Mb
Release : 2017-11-18
Category : Electronic
ISBN : 0331327104
Excerpt from Yellowstone Grizzly Bear Investigations: Annual Report of the Interagency Study Team, 1982 Distribution of grizzly bears within the study area, movement patterns, and habitat use have been largely determined and are now being studied on a monitoring and updating level. Efforts are being concentrated on gathering population data, determining behavior patterns, and assessing the effects of land use practices adjacent to the park boundary. Movement data conclusively indicates that the existence of semi - autonomous population segments is unlikely and that the determination of population size will be difficult due to the average home range sizes of individual bears. Population trend indices appear to be more meaningful and measurable than a number estimate. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author : Interagency Grizzly Bear Study Team
Publisher : Unknown
Page : 56 pages
File Size : 48,5 Mb
Release : 1982
Category : Grizzly bear
ISBN : PURD:32754075494488
Author : Paul Schullery
Publisher : Unknown
Page : 340 pages
File Size : 50,6 Mb
Release : 1992
Category : Bears
ISBN : UOM:49015001467753
This completely revised third edition of The Bears of Yellowstone remains a benchmark wildlife study.
Author : Anonim
Publisher : Unknown
Page : 108 pages
File Size : 41,6 Mb
Release : 1983
Category : Electronic
ISBN : NWU:35556030160733
Author : P. J. White,Robert A. Garrott,Glenn E. Plumb
Publisher : Harvard University Press
Page : 321 pages
File Size : 41,7 Mb
Release : 2013-04-15
Category : Nature
ISBN : 9780674076433
The world's first national park, Yellowstone is a symbol of nature's enduring majesty and the paradigm of protected areas across the globe. But Yellowstone is constantly changing. How we understand and respond to events that are putting species under stress, say the authors of Yellowstone's Wildlife in Transition, will determine the future of ecosystems that were millions of years in the making. With a foreword by the renowned naturalist E. O. Wilson, this is the most comprehensive survey of research on North America's flagship national park available today. Marshaling the expertise of over thirty contributors, Yellowstone's Wildlife in Transition examines the diverse changes to the park's ecology in recent decades. Since its creation in the 1870s, the priorities governing Yellowstone have evolved, from intensive management designed to protect and propagate depleted large-bodied mammals to an approach focused on restoration and preservation of ecological processes. Recognizing the importance of natural occurrences such as fires and predation, this more ecologically informed oversight has achieved notable successes, including the recovery of threatened native species of wolves, bald eagles, and grizzly bears. Nevertheless, these experts detect worrying signs of a system under strain. They identify three overriding stressors: invasive species, private-sector development of unprotected lands, and a warming climate. Their concluding recommendations will shape the twenty-first-century discussion over how to confront these challenges, not only in American parks but for conservation areas worldwide. Highly readable and fully illustrated, Yellowstone's Wildlife in Transition will be welcomed by ecologists and nature enthusiasts alike.
Author : Anonim
Publisher : Unknown
Page : 302 pages
File Size : 46,9 Mb
Release : 2008
Category : Electronic
ISBN : NWU:35556038327508
Author : Anonim
Publisher : Unknown
Page : 636 pages
File Size : 46,9 Mb
Release : 1990
Category : Forests and forestry
ISBN : UOM:39015017884464
Author : Nancy D. Gordon
Publisher : Unknown
Page : 404 pages
File Size : 49,7 Mb
Release : 1995
Category : Forests and forestry
ISBN : OSU:32435055890305
Author : Anonim
Publisher : Unknown
Page : 396 pages
File Size : 41,7 Mb
Release : 1990
Category : Alpine regions
ISBN : MINN:31951D03009617H
Author : Kathleen Snow
Publisher : Rowman & Littlefield
Page : 320 pages
File Size : 49,5 Mb
Release : 2016-03-07
Category : Nature
ISBN : 9781493025480
Humans and grizzly bears have been coming into contact in Yellowstone National Park ever since it was founded in 1872. Most of these encounters have ended peacefully, but many have not. In order to most accurately tell the stories of those involved in the more deadly incidents, Kathleen Snow went directly to the source: the National Park Service archives. With help from personnel at park headquarters, Snow has collected more than 100 years’ worth of hair-raising stories that read like crime scene investigations and provide hard-learned lessons in outdoor safety. A must-read for fans of Death in Yellowstone and anyone fascinated by human-animal interactions.
Author : Kaush Arha,Barton H. Thompson Jr.
Publisher : Routledge
Page : 354 pages
File Size : 49,9 Mb
Release : 2012-05-23
Category : Nature
ISBN : 9781136522208
States today play a major role in implementing and enforcing environmental laws such as the Clean Air Act, Clean Water Act, and the Resource Conservation and Recovery Act. A thirty year review of ESA identified state leadership in species conservation as a necessary element in better conserving the nation‘s imperiled species, yet the theoretical and practical reasons and applications of an enhanced state role are little understood and have not been subjected to any meaningful analysis. This book, for the first time, presents the legal and policy analysis for federalism considerations in implementing ESA. The book undertakes a comprehensive analysis of the economic rationale for federalism in ESA administration; compares administration of ESA to other major environmental statutes; reviews various tools under the existing Act to enhance state role in species conservation; evaluates major case studies to determine roles the state can play in species conservation and recovery; and concludes with policy recommendations to encourage greater state involvement in species conservation.
Author : Anonim
Publisher : Unknown
Page : 490 pages
File Size : 44,8 Mb
Release : 2006
Category : Electronic
ISBN : NWU:35556036555506
Author : United States. National Park Service
Publisher : Unknown
Page : 104 pages
File Size : 42,8 Mb
Release : 1991
Category : Environmental impact analysis
ISBN : MINN:31951P009252867