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Habitat Relationships And Physiological Condition Of Mountain Sheep In Morgan Creek East Central Idaho
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Book Synopsis Habitat Relationships and Physiological Condition of Mountain Sheep in Morgan Creek, East-central Idaho by : Gina Lyn Ballard Karasek
Download or read book Habitat Relationships and Physiological Condition of Mountain Sheep in Morgan Creek, East-central Idaho written by Gina Lyn Ballard Karasek and published by . This book was released on 1991 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Habitat Use, Seasonal Distribution, and Nutritional Status of the Rocky Mountain Bighorn Sheep in Morgan Creek, East-central Idaho by : Gina Lyn Ballard Karasek
Download or read book Habitat Use, Seasonal Distribution, and Nutritional Status of the Rocky Mountain Bighorn Sheep in Morgan Creek, East-central Idaho written by Gina Lyn Ballard Karasek and published by . This book was released on 1989 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Challis Resource Area, Upper Columbia - Salmon Clearwater Districts by :
Download or read book Challis Resource Area, Upper Columbia - Salmon Clearwater Districts written by and published by . This book was released on 1998 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ecology of the Morgan Creek and East Fork of the Salmon River Bighorn Sheep Herds and Management of Bighorn Sheep in Idaho by : James K. Morgan
Download or read book Ecology of the Morgan Creek and East Fork of the Salmon River Bighorn Sheep Herds and Management of Bighorn Sheep in Idaho written by James K. Morgan and published by . This book was released on 1971 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: An ecological study on the Morgan Creek and the East Fork of the Salmon River, Idaho, Bighorn Sheep herds was conducted from July 1, 1966 to February 28, 1970. The Morgan Creek population numbered about 100 animals upon termination of the study. The trend of this population was downward. The East Fork population numbered about 50 animals and the trend appeared to be stable or slightly downward. Productivity of both herds was low. Lamb mortality was high and recruitment to the breeding herd low. Low recruitment rates coupled with hunting pressure caused a decline in the ram component of both herds. The lungworm-pneumonia complex and scabies mites localized in the ears were common disease-parasite problems for bighorns on the Morgan Creek and East Fork ranges. Poor nutrition was postulated as the reason for endemic disease and parasite problems. Cougars, coyotes, bobcats and eagles were evaluated as mortality factors. Evidence did not indicate that any of these were a serious limiting factor. Accidents and poaching also were evaluated as mortality factors, but it was not possible to determine the extent to which they contributed to mortality. Food habits of bighorns and deer were studied on the Morgan Creek winter range. Bighorns were found to use 69 percent grasses, 27 percent browse and 4 percent forbs. The primary grass utilized was Agropyron spicatum 11 and a primary browse was Cercocarpus ledifollus. Considerable competition for forage existed between deer and bighorns. Competition did not occur between bighorns and elk or antelope. Domestic livestock use has converted most of the range in the vicinity of Challis to sagebrush, which is not quality bighorn habitat. Deer numbers have greatly increased because of the habitat change. Livestock now compete with bighorns for the limited amount of remaining grass and deer compete by decimating the mountain mahogany (C. ledifolius. Shortage of protein during the winter is a serious problem for bighorns. Winter range rehabilitation, consisting of sagebrush eradication and accompanied by reduction of deer and domestic livestock usage, is suggested to restore ranges for the benefit of bighorns. Transplanting of bighorns to suitable areas historically inhabited by bighorns is suggested to increase bighorn distribution in Idaho and to stabilize current statewide downward trends In bighorn numbers until winter range rehabilitation problems can be solved. Breeding occurred in November and December, and lambing in May and June. Twinning did not occur. Several trapping methods were evaluated and a total of 43 bighorns were trapped, Of these, 7 were transplanted, 7 were instrumented with radio transmitters, 23 were neck banded and 6 accidently killed. Morgan Creek bighorn sheep migrated an average of 22.4 airline miles to summer ranges. The shortest migration was 19 miles and the longest 28.5 miles. East Fork bighorns were found to migrate about 17 airline mi les to summer range. Analysis of winter range indicated a canopy coverage of 34 percent for shrubs, forbs and grasses, 42 percent bare soil and erosion pavement and 24 percent natural rock. Forage production was low at 128 to 669 pounds/acre green weight; Big sagebrush contributed 40 percent of the herbage production. Usage on all sites was moderate to excessive. Erosion was very evident, and range condition trend estimated to be downward. Only about 805 percent of the 16,676 acres of winter range within the Morgan Creek study area was quality habitat available to bighorns during most winters. Sagebrush, little used by bighorns, dominated 56 percent of the winter range. Grasses, indicative of quality bighorn habitat, dominated only 17 percent of the winter range. Idaho's statewide bighorn sheep populations have decreased approximately 50 percent since 1960. Ram components have decreased about 85 percent since 1960. Increased numbers of hunters have harvested fewer rams under the two-week open season 3/4-curl regulation and the point of diminishing returns has begun to operate. Depressing the ram component below an undetermined level may interfere with reproduction. Therefore, a limited harvest by controlled permit regulations and controlled distribution of hunters is recommended.
Download or read book Master's Theses Directories written by and published by . This book was released on 1993 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Education, arts and social sciences, natural and technical sciences in the United States and Canada".
Book Synopsis Habitat Use, Seasonal Distribution and Nutritional Status of Bighorn Sheep in Morgan Creek by : Gina Lyn Ballard Karasek
Download or read book Habitat Use, Seasonal Distribution and Nutritional Status of Bighorn Sheep in Morgan Creek written by Gina Lyn Ballard Karasek and published by . This book was released on 1991 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wild Mammals of North America by : George A. Feldhamer
Download or read book Wild Mammals of North America written by George A. Feldhamer and published by JHU Press. This book was released on 2003-11-19 with total page 1250 pages. Available in PDF, EPUB and Kindle. Book excerpt: Table of contents
Book Synopsis Dissertations and Theses about Idaho, 1900-1978 by : Douglas G. Birdsall
Download or read book Dissertations and Theses about Idaho, 1900-1978 written by Douglas G. Birdsall and published by . This book was released on 1980 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ungulate Migrations of the Western United States by : Matthew J. Kauffman
Download or read book Ungulate Migrations of the Western United States written by Matthew J. Kauffman and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wildlife Habitats in Managed Forests by : Jack Ward Thomas
Download or read book Wildlife Habitats in Managed Forests written by Jack Ward Thomas and published by . This book was released on 1979 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: That is what this book is about. It is a framework for planning, in which habitat is the key to managing wildlife and making forest managers accountable for their actions. This book is based on the collective knowledge of one group of resource professionals and their understanding about how wildlife relate to forest habitats. And it provides a longoverdue system for considering the impacts of changes in forest structure on all resident wildlife.
Book Synopsis Rocky Mountain Bighorn Sheep by : Dale E. Toweill
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:
Book Synopsis Focus on Renewable Natural Resources by :
Download or read book Focus on Renewable Natural Resources written by and published by . This book was released on 1985 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multiple Species Inventory and Monitoring Technical Guide by : Patricia N. Manley
Download or read book Multiple Species Inventory and Monitoring Technical Guide written by Patricia N. Manley and published by . This book was released on 2006 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: Monitoring protocols are presented for: landbirds; raptors; small, medium and large mammals; bats; terrestrial amphibians and reptiles; vertebrates in aquatic ecosystems; plant species, and habitats.
Book Synopsis North American Rodents by : David J. Hafner
Download or read book North American Rodents written by David J. Hafner and published by IUCN. This book was released on 1998 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first comprehensive treatment of North American rodents of conservation concern. This action plan summarizes the rodent fauna of North America and provides available information on every rodent taxon that has been considered to be of conservation concern by state, provincial and private conservation agencies and regional experts. It is hoped that the survey provided in this action plan will serve as a common ground for all these parties in drawing up conservation strategies for rodents.
Book Synopsis Public Health Significance of Urban Pests by : Xavier Bonnefoy
Download or read book Public Health Significance of Urban Pests written by Xavier Bonnefoy and published by World Health Organization. This book was released on 2008 with total page 293 pages. Available in PDF, EPUB and Kindle. Book excerpt: The second half of the 20th century and the beginning of the 21st century witnessed important changes in ecology, climate and human behaviour that favoured the development of urban pests. Most alarmingly, urban planners now face the dramatic expansion of urban sprawl, in which city suburbs are growing into the natural habitats of ticks, rodents and other pests. Also, many city managers now erroneously assume that pest-borne diseases are relics of the past. All these changes make timely a new analysis of the direct and indirect effects of present-day urban pests on health. Such an analysis should lead to the development of strategies to manage them and reduce the risk of exposure. To this end, WHO invited international experts in various fields - pests, pest-related diseases and pest management - to provide evidence on which to base policies. These experts identified the public health risk posed by various pests and appropriate measures to prevent and control them. This book presents their conclusions and formulates policy options for all levels of decision-making to manage pests and pest-related diseases in the future. [Ed.]
Book Synopsis Rabbits, Hares and Pikas by : Joseph A. Chapman
Download or read book Rabbits, Hares and Pikas written by Joseph A. Chapman and published by IUCN. This book was released on 1990 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Action Plan provides an overview of the state of knowledge about all species of lagomorphs, provides a contemporary framework about their importance to humans and the world’s ecosystems, reviews their status on a worldwide scale, and makes recommendations for conservation action to prevent the extinction of any lagomorph species and to allow their populations to recover to safe and production levels.
Book Synopsis Knowing Yellowstone by : Jerry Johnson
Download or read book Knowing Yellowstone written by Jerry Johnson and published by Rowman & Littlefield. This book was released on 2010-06-16 with total page 185 pages. Available in PDF, EPUB and Kindle. Book excerpt: Visitors to Yellowstone National Park are drawn to the spectacular scenery, unique thermal features, and the large numbers of wild animals easily observed in their natural habitat. The thoughtful visitor to the park cannot help but be captivated by the unparalleled breadth of scientific knowledge needed to understand the intricate interrelationships that make up the yellowstone landscape. Knowing Yellowstone explores how scientists discover what they know about America's first national park and the surrounding lands. The chapter authors are scientists who represent the best of their fields of study. The science they describe is leading the way to our understanding of complex ecosystems worldwide.