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Population Genetics Of California Bighorn Sheep Ovis Canadensis Californiana From British Columbia Herds
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Book Synopsis Population Genetics of California Bighorn Sheep (Ovis Canadensis Californiana) from British Columbia Herds by : Patty Szczys
Download or read book Population Genetics of California Bighorn Sheep (Ovis Canadensis Californiana) from British Columbia Herds written by Patty Szczys and published by . This book was released on 1997 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Status of California Bighorn Sheep in British Columbia by : Raymond Alexander Demarchi
Download or read book Status of California Bighorn Sheep in British Columbia written by Raymond Alexander Demarchi and published by Wildlife Branch. This book was released on 2000-01-01 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aspects of the Reproductive Biology of California Bighorn Sheep (Ovis Canadensis Californiana) on the Ashnola Plateau Region of British Columbia by : Malcolm Alexander Ramsay
Download or read book Aspects of the Reproductive Biology of California Bighorn Sheep (Ovis Canadensis Californiana) on the Ashnola Plateau Region of British Columbia written by Malcolm Alexander Ramsay and published by . This book was released on 1980 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mountain Sheep of North America by : Raul Valdez
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.
Book Synopsis An Ecological Study of California Bighorn Sheep by : Donald Arthur Blood
Download or read book An Ecological Study of California Bighorn Sheep written by Donald Arthur Blood and published by . This book was released on 1961 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aspects of Social Organization and Diurnal Activity Patterns of California Bighorn Sheep (Ovis Canadensis Californiana Douglas 1829) by : Eccles, Ross
Download or read book Aspects of Social Organization and Diurnal Activity Patterns of California Bighorn Sheep (Ovis Canadensis Californiana Douglas 1829) written by Eccles, Ross and published by . This book was released on 1983 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Population Characteristics and Habitat Utilization of Bighorn Sheep, Steens Mountain, Oregon by : Walter A. Van Dyke
Download or read book Population Characteristics and Habitat Utilization of Bighorn Sheep, Steens Mountain, Oregon written by Walter A. Van Dyke and published by . This book was released on 1978 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: A herd of re-introduced California bighorn sheep (Ovis canadensis californiana) was studied from 15 June 1976 to 31 August 1977. Thirteen major and seven minor habitats were delineated and described. Habitat use by bighorns was observed throughout the study and a habitat preference value (H.P.V.) was calculated based on use by ewe-lamb groups. Certain habitats were highly preferred for foraging or resting by bighorns during different seasons of the year, probably because of the physical and vegetative characteristics they offered. Examination of daily activity patterns of ewe-lamb groups revealed that they primarily fed in the morning, rested at mid-day, and again fed toward evening during all seasons. Comparison of the activity budgets (time allotment for the various activities) between the sex and age groups within seasons disclosed statistical differences in all seasons. In spring lambs foraged less and pursued other activities more than ewes or rams. In summer, rams foraged less than lambs and lambs foraged less than ewes. The reverse trend was noted for resting activity. These trends were probably related energy demands of each sex and age class. In fall and winter no difference was found between the activity budgets of ewes and lambs. Adult rams, however, spent less time foraging and more time resting and pursuing other activities than ewes or lambs. This was related to energy demands and the rut. Estimated herd size fluctuated between 128 and 180 individuals with most of the change attributable to birth and subsequent mortality of lambs. Factors responsible for lamb mortality were not identified but losses appeared related to parasites and disease; Between 1976 and 1977 the population increased very little.
Book Synopsis Habitat Use and Population Characteristics of Newly Reintroduced California Bighorn Sheep (Ovis Canadensis Californiana) in South-central Idaho by : Gretchen Irene Fowles
Download or read book Habitat Use and Population Characteristics of Newly Reintroduced California Bighorn Sheep (Ovis Canadensis Californiana) in South-central Idaho written by Gretchen Irene Fowles and published by . This book was released on 2002 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: Translocations of bighorn sheep have had variable success due to the lack of good quality, predictive habitat models and of regular follow-up monitoring of translocated populations. This research helps to fill these voids. Radio telemetry was used to estimate the habitat use of a newly reintroduced population of California bighorn sheep (Ovis canadensis californiana) on the Jim Sage Range in Idaho. The habitat characteristics of locations used by groups of sheep were compared to those of randomly selected locations over two different geographic scales by use of GIS and logistic regression. The characteristics included vegetative composition, terrain ruggedness, distance to water sources, distance to steep slopes, slope, aspect, and elevation. Predictive habitat selection models based on winter, lambing, and summer habitat use were developed. The habitat models correctly classified 78-82% of used locations. Open grassy areas, distance to steep slopes and water, high elevation, and rugged terrain significantly contributed to the presence of sheep. The models suggested that there is an adequate amount of suitable habitat to support a viable population on the Jim Sage Range but that barriers may prevent their access to a portion of the range. Characteristics of the population, including births, deaths, movement patterns, and group composition and size were also monitored so that baseline data with which to compare future data to evaluate the status of the population would be provided. Adequate lambing and recruitment rates were observed. Twenty-two deaths occurred since the first translocation, and mountain lions were a major cause of these. Most of the mountain lion kills occurred during the first four months after the first release. Group size varied seasonally and was positively affected by population density.
Book Synopsis Pregnancy Rate and Early Lamb Surviaval of California Bighorn Sheep (Ovis Canadensis Californiana, Douglas 1871) in the Ashnola Watershed, British Columbia by : William Lamont Harper
Download or read book Pregnancy Rate and Early Lamb Surviaval of California Bighorn Sheep (Ovis Canadensis Californiana, Douglas 1871) in the Ashnola Watershed, British Columbia written by William Lamont Harper and published by . This book was released on 1984 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Status and Habitat Preference of California Bighorn Sheep on Sheldon National Wildlife Refuge, Nevada by : Michael Charles Hansen
Download or read book Status and Habitat Preference of California Bighorn Sheep on Sheldon National Wildlife Refuge, Nevada written by Michael Charles Hansen and published by . This book was released on 1982 with total page 75 pages. Available in PDF, EPUB and Kindle. Book excerpt: A herd of California bighorn sheep (Ovis canadensis californiana), re-introduced to the area of Hell Creek on the Sheldon National Wildlife Refuge in northwestern Nevada, was studied from 15 June 1978 to 20 August 1980. Major vegetation and physiographic types were delineated and described. Habitat preferences were determined from field observations of sheep use of both vegetation and physiographic habitat components. Sheep displayed preference in their use of habitat components during all seasons; greatest selection was shown by the ewe/ lamb band for physiographic types associated with escape cover in spring, and for vegetation types associated with quality forage in winter. Rams generally displayed less selective habitat use than did the ewe/lamb band. The population was relatively stable at 30-35 individuals, following the initial post-introduction period of rapid growth. It was hypothesized that high quality lambing terrain was limited in quantity within the present ewe/lamb range, and that expansion of the ewe/lamb range to include the nearby Boulder Spring and Virgin Canyon areas would promote substantial population increase. Water was available during all seasons. Spring use of mineral licks may have been related to seasonal mineral deficiency associated with tissue and/or milk production. Activity patterns suggested that sheep adapted their daily activities to fit local, seasonal situations.
Book Synopsis California Bighorn Sheep (Ovis canadensis californiana) habitat management by :
Download or read book California Bighorn Sheep (Ovis canadensis californiana) habitat management written by and published by . This book was released on 1978 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The California Bighorn in British Columbia, with Particular Reference to the Churn Creek Herd by : Lawson G. Sugden
Download or read book The California Bighorn in British Columbia, with Particular Reference to the Churn Creek Herd written by Lawson G. Sugden and published by . This book was released on 1961 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ranges and Forays of Bighorn Sheep (Ovis Canadensis) in the Thompson Region of British Columbia by : Edyta Marcisz
Download or read book Ranges and Forays of Bighorn Sheep (Ovis Canadensis) in the Thompson Region of British Columbia written by Edyta Marcisz and published by . This book was released on 2021 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The movements of animals provide insight into their spatial distribution, landscape use, gene flow, and potential for diseases transmission, and thus are an important measure in the study of the species' ecology and the development of conservation plans and management practices. Species exhibiting gregarious social-structures generally conduct their movements as part of a herd, but also as individual, and so can increase their likelihood of contact with other herds or species, including domestic individuals. This study provides an analysis of movements of Bighorn Sheep (Ovis canadensis) in the Thompson Region of British Columbia relative to proximity of domestic sheep (Ovis aries). I used GPS location data of 40 rams from four different herds monitored during 2015-2018 toevaluate home range and core areas of each ram group while providing the comparison of four home range estimation methods. Each of the bands exhibited non-migratory behaviour. The animals used the same geographic area through the year, rather than migrating across the landscape. Further, while their seasonal ranges overlapped significantly, the ranges were considerably larger during the relatively short rutting season than in other seasons. These observations match those reported in previous studies where reintroduced Bighorn Sheep herds occupied relatively small areas and often exhibited no or short migration movements. The results of this study confirm connectivity between my focal herds and an area occupied by a herd not included in this study. Collared rams from the focal herds displayed short foray movement of less than 6 km, which contrasts with that reported elsewhere. These short forays suggest a lower level of risk of contact with domestic animals existing outside of the herd home ranges. However, it should be emphasized that despite this lower risk, the likelihood of a transmission event cannot be completely discounted. Also, significant amount of private land overlaps or lays adjacent to the home ranges of the study herds, indicating that expanded future use of these lands for livestock range and/or an increase in Bighorn Sheep populations will increase the likelihood of contact between domestic and wild sheep. Thus the risk of contact with domestic sheep is high. Overall, my findings are relevant for establishing operational rules for land use practices and activities seeking to reduce impacts on bighorn herds.
Book Synopsis Status of Rocky Mountain Bighorn Sheep in British Columbia by : Raymond Alexander Demarchi
Download or read book Status of Rocky Mountain Bighorn Sheep in British Columbia written by Raymond Alexander Demarchi and published by Wildlife Branch. This book was released on 2000 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Population Processes in a Changing Climate by : Clinton Wakefield Epps
Download or read book Population Processes in a Changing Climate written by Clinton Wakefield Epps and published by . This book was released on 2004 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of People on Bighorn Sheep in the San Gabriel Mountains, California by : Kathleen M. Hamilton
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:
Book Synopsis Recovery Plan for Bighorn Sheep in the Peninsular Ranges, California by : Esther Rubin
Download or read book Recovery Plan for Bighorn Sheep in the Peninsular Ranges, California written by Esther Rubin and published by . This book was released on 2000 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:
