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Book Native Cutthroat Trout  Oncorhynchus Clarkii Ssp   Conservation Activities in the Northern Region  UDWR Ogden Office   2007

Download or read book Native Cutthroat Trout Oncorhynchus Clarkii Ssp Conservation Activities in the Northern Region UDWR Ogden Office 2007 written by Matthew David McKell and published by . This book was released on 2007 with total page 73 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Conservation Assessment for Inland Cutthroat Trout

Download or read book Conservation Assessment for Inland Cutthroat Trout written by and published by . This book was released on 1996 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Conservation Assessment for Inland Cutthroat Trout

Download or read book Conservation Assessment for Inland Cutthroat Trout written by Donald A. Duff and published by DIANE Publishing. This book was released on 1998-04 with total page 199 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document focuses on the current status, distribution and range for five subspecies of cutthroat trout Oncorhynchus clarki, which are found largely on national forest system lands and ecosystems in the Rocky Mountain and Intermountain West within the U.S. from the Canadian to the Mexican border. The 5 subspecies -- Westslope, Yellowstone, Bonneville, Rio Grande, and Colorado River cutthroat trout -- are designated either species of special concern or sensitive. These subspecies are presently restricted to a fragment of their former range. Includes assessment methods, and origins and taxonomic theory. Illustrated.

Book Conservation Genetics of the Greenback Cutthroat Trout  Oncorhynchus Clarkii Stomias

Download or read book Conservation Genetics of the Greenback Cutthroat Trout Oncorhynchus Clarkii Stomias written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Conservation genetics of the greenback cutthroat trout (Oncorhynchus clarkii stomias).

Book Cutthroat

    Book Details:
  • Author : Pat Trotter
  • Publisher : Univ of California Press
  • Release : 2008
  • ISBN : 9780520254589
  • Pages : 572 pages

Download or read book Cutthroat written by Pat Trotter and published by Univ of California Press. This book was released on 2008 with total page 572 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cutthroat tells the full story of the genuine native trout of the American West. This new edition, thoroughly revised and updated after 20 years, synthesizes what is currently known about one of our most interesting and colorful fishes, includes much new information on its biology and ecology, asks how it has fared in the last century, and looks toward its future. In a passionate and accessibly written narrative, Patrick Trotter, fly fisher, environmental advocate, and science consultant, details the evolution, natural history, and conservation of each of the cutthroat's races and incorporates more personal reflections on the ecology and environmental history of the West's river ecosystems. The bibliography now includes what may be the most comprehensive and complete set of references available anywhere on the cutthroat trout. Written for anglers, nature lovers, environmentalists, and students, and featuring vibrant original illustrations by Joseph Tomelleri, this is an essential reference for anyone who wants to learn more about this remarkable, beautiful, and fragile western native.

Book Native Trout Conservation

Download or read book Native Trout Conservation written by Mary McAfee and published by . This book was released on 2001 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Conservation Plan for Colorado River Cutthroat Trout  Oncorhynchus Clarki Pleuriticus  for the Little Snake River Drainage  in Southeastern Wyoming

Download or read book Conservation Plan for Colorado River Cutthroat Trout Oncorhynchus Clarki Pleuriticus for the Little Snake River Drainage in Southeastern Wyoming written by and published by . This book was released on 1994 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The Colorado River cutthroat trout (Oncorhynchus clarki pleuriticus) historically occupied portions of the Colorado River drainage in Wyoming, Colorado, Utah, Arizona, and New Mexico. Today this subspecies only occupies a fraction of its historical range is primarily located in small headwater streams. Colorado River cutthroat trout is a category 2 species (one that may be appropriate for listing as threatened or endangered) by the USDI Fish and Wildlife Service and is considered a sensitive species by Region 2 of the Forest Service. This conservation strategy is a continuation of efforts started in 1987 under a comprehensive management plan for Colorado River cutthroat trout in Wyoming"--Page ii.

Book Conservation Strategy for Colorado River Cutthroat Trout  Oncorhynchus Clarkii Pleuriticus  in the States of Colorado  Utah  Wyoming

Download or read book Conservation Strategy for Colorado River Cutthroat Trout Oncorhynchus Clarkii Pleuriticus in the States of Colorado Utah Wyoming written by and published by . This book was released on 2006 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Conservation Strategy (Strategy) has been developed to direct implementation of conservation measures for Colorado River cutthroat trout (CRCT) in Colorado, Utah, and Wyoming as a collaborative and cooperative effort among resource agencies. Threats that warrant CRCT listing as a special status species by state and federal agencies and might lead to listing under the Endangered Species Act of 1973, as amended, will be eliminated or reduced through implementation of this Strategy. Involved parties include: Colorado Department of Natural Resources, Division of Wildlife; United States Department of Interior, Bureau of Land Management.

Book A Portfolio Framework for Prioritizing Conservation Efforts for Yellowstone Cutthroat Trout Populations

Download or read book A Portfolio Framework for Prioritizing Conservation Efforts for Yellowstone Cutthroat Trout Populations written by Robert Al-Chokhachy and published by . This book was released on 2018 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt: Managing and conserving native taxa is becoming increasingly challenging because of mounting threats and limited resources, predicating the need for frameworks to prioritize conservation actions. We integrate attributes of population persistence, genetic status, threats of non-native species, and threats from climatic shifts to prioritize conservation actions for Yellowstone Cutthroat Trout Oncorhynchus clarkii bouvieri. We use the individual attributes to rank populations and provide a framework to identify the benefits of individual conservation actions. The majority of extant populations (57%) have high probability (>75%) of persistence, but nearly 70% of populations were either slightly hybridized or sympatric with non-native species, and 44% of extant populations occupy habitat with low climatic resilience. Overall, we found 36% of populations ranked as high (>75%) conservation priority, and these populations primarily occupy large, relatively high elevation habitats. The prioritization framework provides a platform for identifying and ranking actions with the greatest conservation effectiveness.

Book Colorado River Cutthroat Trout  Oncorhynchus Clarkii Pleuriticus

Download or read book Colorado River Cutthroat Trout Oncorhynchus Clarkii Pleuriticus written by Michael K. Young and published by . This book was released on 2008 with total page 123 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Colorado River cutthroat trout (Oncorhynchus clarkii pleuriticus) was once distributed throughout the colder waters of the Colorado River basin above the Grand Canyon. About 8 percent of its historical range is occupied by unhybridized or ecologically significant populations. It has been petitioned for listing under the Endangered Species Act and is accorded special status by several state and federal agencies. Habitat alteration and nonnative trout invasions led to the extirpation of many populations and impede restoration. Habitat fragmentation exacerbated by climate change is an emerging threat. A strategic, systematic approach to future conservation is likely to be the most successful.

Book Subspecies and Ecologically Based Categories Predict Morphological Divergence Among Cutthroat Trout  Oncorhynchus Clarkii Ssp   Populations

Download or read book Subspecies and Ecologically Based Categories Predict Morphological Divergence Among Cutthroat Trout Oncorhynchus Clarkii Ssp Populations written by Meredith B. Seiler and published by . This book was released on 2007 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt: As a means of assessing the relative ability of subspecific and ecologically based measures of intraspecific diversity, I compared the proportion of morphological variation accounted for by subspecies categories with the proportion encompassed by ecologically based categories in cutthroat trout (Oncorhynchus clarkii ssp.). To determine whether subspecies differed based on morphological traits and if there was an additional amount of variation not accounted for by this taxonomic category but was associated with stream and lake environments, I sampled native populations of four subspecies of cutthroat trout over a wide geographic area. I used linear and geometric morphometrics to compare measures of body shape, fin length, head and mouth size and eye diameter between and within subspecies. Both taxonomically and ecologically based categories accounted for a significant proportion of the morphological variation between and within cutthroat trout subspecies; however, the larger proportion was explained by subspecies differences, with the greatest morphological divergence between coastal cutthroat trout and interior subspecies. Similarly, stream and lake-dwelling cutthroat trout also exhibited significant differences in morphology, but the largest differences occurred between stream and lake populations of Yellowstone cutthroat trout. Given that many cutthroat trout species are of conservation concern, my project provides a better understanding of intraspecific variation existing within the species as well as a means of effectively identifying subspecies in order to preserve variation that my be important for the persistence of the species. These techniques may provide a method of describing important levels of diversity based on ecological conditions that could be used to determine conservation priorities.

Book Conservation Agreement for Colorado River Cutthroat Trout  Oncorhynchus Clarki Pleuriticus  in the States of Colorado  Utah  Wyoming

Download or read book Conservation Agreement for Colorado River Cutthroat Trout Oncorhynchus Clarki Pleuriticus in the States of Colorado Utah Wyoming written by and published by . This book was released on 2006 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Conservation Agreement (Agreement) has been developed to expedite implementation of conservation measures for Colorado River cutthroat trout (CRCT) in Colorado, Utah, and Wyoming as a collaborative and cooperative effort among resource agencies. Involved parties include: Colorado Department of Natural Resources, Division of Wildlife; United States Department of Interior, Bureau of Land Management; Utah Department of Natural Resources, Division of Wildlife Resources; Wyoming Game and Fish Department; Ute Indian Tribe, Fish and Wildlife Department; Fish and Wildlife Service; United States Department of Agriculture, US Forest Service; National Park Service, Intermountain Region.