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Author : Kayhan Ostovar
Publisher :
ISBN 13 :
Total Pages : 156 pages
Book Rating : 4.:/5 (468 download)
Download or read book Impacts of Human Activity on Bighorn Sheep in Yellowstone National Park written by Kayhan Ostovar and published by . This book was released on 1998 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : P. J. White
Publisher : Harvard University Press
ISBN 13 : 0674076435
Total Pages : 321 pages
Book Rating : 4.6/5 (74 download)
Download or read book Yellowstone’s Wildlife in Transition written by P. J. White and published by Harvard University Press. This book was released on 2013-04-15 with total page 321 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309083451
Total Pages : 199 pages
Book Rating : 4.3/5 (9 download)
Download or read book Ecological Dynamics on Yellowstone's Northern Range written by National Research Council and published by National Academies Press. This book was released on 2002-02-01 with total page 199 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : Lynn R. Irby
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (13 download)
Download or read book Impacts of Roads on Movements and Habitat Use by Bighorn Sheep on the Northern Winter Range written by Lynn R. Irby and published by . This book was released on 1996 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rocky Mountain bighorn sheep (Ovis canadensis canadensis) were reported to occur in all mountain ranges in and around Yellowstone National Park (YNP) in the late 1800's (Mills 1937). European expansion into the upper Yellowstone River Valley during the 19th century caused bighorn sheep numbers to drastically decline from competition with livestock, introduction of livestock disease, hunting, and loss of habitat. The establishment of YNP, other management areas, and hunting regulations protected remaining bighorn populations. Although some populations were eliminated, others increased and reestablished into historic ranges (Buechner 1960, Keating 1982).
Author : Kathleen M. Hamilton
Publisher :
ISBN 13 :
Total Pages : 130 pages
Book Rating : 4.U/5 (183 download)
Download or read book Effects of People on Bighorn Sheep in the San Gabriel Mountains, California written by Kathleen M. Hamilton and published by . This book was released on 1982 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Frederic H. Wagner
Publisher : Oxford University Press
ISBN 13 : 0198033796
Total Pages : 386 pages
Book Rating : 4.1/5 (98 download)
Download or read book Yellowstone's Destabilized Ecosystem written by Frederic H. Wagner and published by Oxford University Press. This book was released on 2006-05-25 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wagner, one of our most distinguished wildlife biologists, is a strong critic of ecological practices in the national parks. This book provides an assessment of the ecological history of Yellowstone's northern range, since before the park existed, showing the impact of US Park Service policies on the health of the areas they oversee. He demonstrates that elk had been historically rare throughout the region and that overgrazing by elk has seriously degraded the landscape and altered the structure of the area. This is a major contribution to reconstructing the ecology of this region over the course of the past 500 years. It is also a critique of US Park Service management policies and their stewardship of the nation's most cherished natural areas. Wagner's book will generate substantial attention and debate both in the scientific and policy/management communities.
Author : Tom Olliff
Publisher :
ISBN 13 :
Total Pages : 324 pages
Book Rating : 4.:/5 (319 download)
Download or read book Effects of Winter Recreation on Wildlife of the Greater Yellowstone Area written by Tom Olliff and published by . This book was released on 1999 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Daniel R. Leonard
Publisher :
ISBN 13 :
Total Pages : 62 pages
Book Rating : 4.:/5 (858 download)
Download or read book Ecology and Effects of Human Visitation on Rocky Mountain Bighorn Sheep in the Many Glacier Area of Glacier National Park, Montana written by Daniel R. Leonard and published by . This book was released on 1975 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Patrick James White
Publisher :
ISBN 13 : 9780934948302
Total Pages : pages
Book Rating : 4.9/5 (483 download)
Download or read book Yellowstone Bison written by Patrick James White and published by . This book was released on 2015-05 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Intermountain Forest and Range Experiment Station (Ogden, Utah)
Publisher :
ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.:/5 (319 download)
Download or read book Impact of Backcountry Recreationists on Wildlife written by Intermountain Forest and Range Experiment Station (Ogden, Utah) and published by . This book was released on 1980 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 398 pages
Book Rating : 4.3/5 (555 download)
Download or read book Yellowstone and Grand Teton National Parks (N.P.), Winter Use Plans written by and published by . This book was released on 2000 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Norman S. Smith
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.:/5 (3 download)
Download or read book Desert Bighorn Sheep written by Norman S. Smith and published by . This book was released on 1988 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: This guide summarizes pertinent literature on four topics of desert bighorn sheep ecology and management: (1) their water requirements and adaptations are compared with those of other desert-dwelling ungulates; (2) the effects of human activities such as mining, poaching, hunting, ranching, hiking, and urban encroachment are discussed; (3) diseases and disease control, specifically scabies and desert bighorn sinusitis, are reviewed; and (4) the relation of bighorn sheep to other resident wildlife is addressed.
Author : John. L. Oldemeyer
Publisher :
ISBN 13 :
Total Pages : 214 pages
Book Rating : 4.:/5 (248 download)
Download or read book Winter Ecology of Bighorn Sheep in Yellowstone National Park written by John. L. Oldemeyer and published by . This book was released on 1966 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Norman S. Smith
Publisher :
ISBN 13 :
Total Pages : 44 pages
Book Rating : 4.:/5 (319 download)
Download or read book Desert Bighorn Sheep written by Norman S. Smith and published by . This book was released on 1988 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alan Woolf
Publisher :
ISBN 13 :
Total Pages : 224 pages
Book Rating : 4.:/5 (249 download)
Download or read book Summer Ecology of Bighorn Sheep in Yellowstone National Park written by Alan Woolf and published by . This book was released on 1968 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John L. Oldemeyer
Publisher :
ISBN 13 :
Total Pages : 13 pages
Book Rating : 4.:/5 (13 download)
Download or read book Winter Ecology of Bighorn Sheep in Yellowstone National Park written by John L. Oldemeyer and published by . This book was released on 1971 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bighorn sheep (Ovis c. canadensis) were intensively studied on the northern Yellowstone winter range duirng the winter of 1965-66, with additional data gathered the following two winters. Censuses showed a stable or slowly increasing population of about 250 animals. Grass and browse utilization was moderately high. During the winter of 1965-66, bighorns ate 61 percent grass, 17 percent forbs, and 22 percent browse. Bluebunch wheat grass (Agropyron spicatum) was the most common species in the diet. Snow cover was light that winter, and competition with elk (Cervus canadensis) was slight to moderate.
Author :
Publisher :
ISBN 13 :
Total Pages : 216 pages
Book Rating : 4.3/5 (555 download)
Download or read book Yellowstone National Park (N.P.), Grizzly Bear Management Program (MT,ID,WY) written by and published by . This book was released on 1983 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
