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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 : 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 : John L. Oldemeyer
Publisher :
ISBN 13 :
Total Pages : 65 pages
Book Rating : 4.:/5 (15 download)
Download or read book Research Plan written by John L. Oldemeyer and published by . This book was released on 1965 with total page 65 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a research plan to find out how many Rocky Mountain bighorn sheep are inhabiting the northern part of Yellowstone National Park. Also to see what is the winter distribution of these sheep, and what are some of the most important ecological factors influencing that distribution.
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 : Kenneth Lee Risenhoover
Publisher :
ISBN 13 :
Total Pages : 222 pages
Book Rating : 4.:/5 (825 download)
Download or read book Winter Ecology and Behavior of Bighorn Sheep, Waterton Canyon, Colorado written by Kenneth Lee Risenhoover and published by . This book was released on 1981 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Timothy George Baumann
Publisher :
ISBN 13 :
Total Pages : 302 pages
Book Rating : 4.:/5 (412 download)
Download or read book Winter Ecology of Bighorn Sheep in the Mummy Range, Colorado written by Timothy George Baumann and published by . This book was released on 1978 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Alan Woolf
Publisher :
ISBN 13 :
Total Pages : 6 pages
Book Rating : 4.:/5 (13 download)
Download or read book A Preliminary Report on the Summer Distribution and Ecology of Bighorn Sheep in Northern Yellowstone National Park written by Alan Woolf and published by . This book was released on 1966 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 : 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 : Yellowstone National Park
Publisher :
ISBN 13 :
Total Pages : 764 pages
Book Rating : 4.3/5 (91 download)
Download or read book Wolves for Yellowstone?: Research & analysis written by Yellowstone National Park and published by . This book was released on 1990 with total page 764 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vol. 3-4 edited by John D. Varley and Wayne G. Brewster; Sarah E. Broadbent and Renee Evanoff, technical editors.
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 : Dale E. Toweill
Publisher :
ISBN 13 : 9781578644100
Total Pages : 63 pages
Book Rating : 4.6/5 (441 download)
Download or read book Rocky Mountain Bighorn Sheep written by Dale E. Toweill and published by . This book was released on 2007-01-01 with total page 63 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 : Raul Valdez
Publisher : University of Arizona Press
ISBN 13 : 0816547122
Total Pages : 368 pages
Book Rating : 4.8/5 (165 download)
Download or read book Mountain Sheep of North America written by Raul Valdez and published by University of Arizona Press. This book was released on 2021-11-09 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mountain sheep epitomize wilderness for many people because they occupy some of the most inaccessible and rugged habitats known to man, from desert crags to alpine mountains. But of all hoofed mammals in North America, wild sheep present the greatest management problems to biologists. This book is a major reference on the natural history, ecology, and management of wild sheep in North America. Written by wildlife biologists who have devoted years of study to the animals, it covers Dall's and Stone's sheep and Rocky Mountain, California, and desert bighorn and examines a variety of factors pertinent to their life histories: habitat, diet, activity, social organization, reproduction, and population dynamics. Additional chapters consider distribution and abundance, adaptive strategies, and management guidelines. Discussions on diseases of wild sheep present a wealth of information that will be of particular use to wildlife biologists, including detailed clinical descriptions of conditions that threaten sheep populations, from pasteurellosis to capture myopathy. An appendix reviews the cytogenetics and genetics of wild sheep. North American wild sheep may face extinction in many areas unless critical questions concerning their management are answered soon. Prior to the publication of this book, there was no single reference available in which one could find such a synthesis of information. Mountain Sheep of North America provides that source and points toward the preservation of these magnificent wild creatures.
Author : Frederic H. Wagner
Publisher : Oxford University Press
ISBN 13 : 0195148215
Total Pages : 386 pages
Book Rating : 4.1/5 (951 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: "The beloved Yellowstone National Park underwent a management shift in 1969 that drastically altered its landscape. This book comes at a time when scientific results are sometimes withheld so that they do not challenge policy positions. The author charges that Yellowstone-supported research has produced a faulty ecological paradigm, whether consciously or not, in order to maintain status quo of the Park's "natural-regulation" policy." "Wagner's ecosystem model of the Park's northern range focuses on a low-elevation region of the Park where a large herd of Rocky Mountain elk winters. His study spans 132 years of ecological, hydrologic, archaeological, photographic, and historic evidence and synthesizes the herd's impact over time."--BOOK JACKET.
Author : Kimberly Alan Keating
Publisher :
ISBN 13 :
Total Pages : 6 pages
Book Rating : 4.:/5 (13 download)
Download or read book Mountain Sheep Winter Food Habits in the Upper Yellowstone Valley written by Kimberly Alan Keating and published by . This book was released on 1985 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: This paper describes winter food habits and forage selection by Rocky Mountain bighorn sheep (Ovis canadensis canadensis) in two wintering areas in the upper Yellowstone River valley. The Everts winter range (EWR) lies within Yellowstone National Park (YNP) in an area where Houston (1978) believed elk (Cervus elaphus nelsoni) were artificially concentrated in winter due to late season hunts and harassment on agricultural lands outside the park. The Cinnabar winter range (CWR) is located outside the boundary of YNP in an area used less heavily by elk.
Author : Niké Jeannette Goodson
Publisher :
ISBN 13 :
Total Pages : 146 pages
Book Rating : 4.:/5 (231 download)
Download or read book Foraging Ecology and Nutrition of Bighorn Sheep on Two Montane Winter-spring Ranges written by Niké Jeannette Goodson and published by . This book was released on 1990 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt:
