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:

Download or read book Recovery Plan for Bighorn Sheep in the Peninsular Ranges California October 2000 written by U.S. Fish and Wildlife Service and published by . This book was released on 2001* with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

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 292 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Draft Recovery Plan for the Bighorn Sheep in the Peninsular Ranges Ovis Canadensis written by Esther Rubin and published by . This book was released on 1999 with total page 203 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Conservation and Spatial Use Analyses for the Recovery of Bighorn Sheep in the Peninsular Ranges written by Stacey D. Ostermann and published by . This book was released on 2001 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: The status of wild sheep in North America typifies the plight of many wildlife species in modern times: wild sheep have declined to 10-40% of their numbers during pristine times and on a global scale approximately 31% of Caprine are considered threatened or critical. As human populations and the number of threatened and endangered wildlife species increase, research into the causes of wildlife population declines and tools to aid recovery are urgently needed. We conducted two studies of endangered desert bighorn sheep (Ovis canadensis nelsoni) in the Peninsular Ranges of Southern California with the primary goal of furthering recovery efforts for this species. First, in order to evaluate a captive breeding program for Peninsular bighorn, we developed the following criteria to provide a standard means of evaluating ongoing captive breeding and reintroduction programs: (1) survival and recruitment rates in the captive population, (2) survival of released animals, (3) recruitment of released animals, (4) growth rate of the reintroduced or augmented population, and (5) establishment of a viable wild population. In assessing the Peninsular bighorn sheep program, we found that while reintroduction did not result in population growth or establishment of a viable population, it helped prevent extirpation of the reinforced deme, preserved metapopulation linkage, and aided habitat preservation. Chronic low recruitment and low adult survivorship precluded achievement of criteria 3-5. Environmental conditions in the release area also appeared to hinder program success. We suggest that periodic evaluations are useful for improving the success of individual captive breeding and reintroduction programs, as well as for meta-analyses needed to refine reintroduction science as a recovery tool for threatened or endangered populations. Wildlife habituated to the presence of humans have been recognized as a new dilemma facing wildlife managers. Our second study involved examining the habitat use, home range size, and nutritional levels of Peninsular desert bighorn sheep along an urbanwildland interface during two time periods (1981-82 and 1995-98). We found that bighorn sheep monitored during 1995-98 used habitat within (P

Download or read book Recovery Plan for the Sierra Nevada Bighorn Sheep written by U.S. Fish and Wildlife Service. California/Nevada Operations Office and published by . This book was released on 2007 with total page 199 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book The Ecology of Desert Bighorn Sheep Ovis Canadensis in the Peninsular Ranges of California written by Esther Salzmann Rubin and published by . This book was released on 2000 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Santa Rosa and San Jacinto Mountains National Monument Proposed Management Plan and Final Environmental Impact Statement Riverside County California written by and published by . This book was released on 2003 with total page 782 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Fish and Wildlife Reference Service Newsletter written by and published by . This book was released on 2001 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Santa Rosa and San Jacinto Mountains National Monument N M Management Plan written by and published by . This book was released on 2003 with total page 768 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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