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The Northern Fur Seal Callorhinus Ursinus
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Book Synopsis The Northern Fur Seal (Callorhinus Ursinus) by : Teresa Clocksin
Download or read book The Northern Fur Seal (Callorhinus Ursinus) written by Teresa Clocksin and published by . This book was released on 1985 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: 1327 citations of publications dealing with the northern fur seal (Callorhinus ursinus). Includes subject index. Draft copy.
Book Synopsis Conservation Plan for the Northern Fur Seal, Callorhinus Ursinus by :
Download or read book Conservation Plan for the Northern Fur Seal, Callorhinus Ursinus written by and published by . This book was released on 1993 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Opportunistic Feeding of the Northern Fur Seal, Callorhinus Ursinus, in the Eastern North Pacific Ocean and Eastern Bering Sea by : Hiroshi Kajimura
Download or read book Opportunistic Feeding of the Northern Fur Seal, Callorhinus Ursinus, in the Eastern North Pacific Ocean and Eastern Bering Sea written by Hiroshi Kajimura and published by . This book was released on 1984 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ecology of the Northern Fur Seal (callorhinus Ursinus) from the Middle and Late Holocene of California by : Robert Kevin Burton
Download or read book Ecology of the Northern Fur Seal (callorhinus Ursinus) from the Middle and Late Holocene of California written by Robert Kevin Burton and published by . This book was released on 2000 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Opportunistic Feeding of the Northern Fur Seal, Callorhinus Ursinus, in the Eastern North Pacific Ocean and Eastern Bering Sea by : Hiroshi Kajimura
Download or read book Opportunistic Feeding of the Northern Fur Seal, Callorhinus Ursinus, in the Eastern North Pacific Ocean and Eastern Bering Sea written by Hiroshi Kajimura and published by . This book was released on 1984 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Opportunistic Feeding of the Northern Fur Seal, Callorhinus Ursinus, in the Eastern North Pacific Ocean and Eastern Bering Sea by :
Download or read book Opportunistic Feeding of the Northern Fur Seal, Callorhinus Ursinus, in the Eastern North Pacific Ocean and Eastern Bering Sea written by and published by . This book was released on 1984 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Migration of the northern fur seal, Callorhinus ursinus by : K.W. KENYON
Download or read book Migration of the northern fur seal, Callorhinus ursinus written by K.W. KENYON and published by . This book was released on 1953 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Northern Fur Seal by : Ralph C. Baker
Download or read book The Northern Fur Seal written by Ralph C. Baker and published by . This book was released on 1970 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Booklet describing early history of fur sealing; the distribution and movement of northern fur seals; Callorhinus Ursinus, their food, physical characteristics, reproduction and mortality and disease, management and research; sealing on the Pribilof Islands and processing and sale of fur seal skins.
Book Synopsis Energetics and Development of Northern Fur Seal, Callorhinus Ursinus Pups by : Mary Jill Donohue
Download or read book Energetics and Development of Northern Fur Seal, Callorhinus Ursinus Pups written by Mary Jill Donohue and published by . This book was released on 1998 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Average age at first reproduction of the northern fur seal (Callorhinus ursinus) by : A.E. YORK
Download or read book Average age at first reproduction of the northern fur seal (Callorhinus ursinus) written by A.E. YORK and published by . This book was released on 1983 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Evidence of Intermittent Residency in the Northern Fur Seal (Callorhinus Ursinus) by : Megan Foley
Download or read book Evidence of Intermittent Residency in the Northern Fur Seal (Callorhinus Ursinus) written by Megan Foley and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This study found evidence of intermittent, multi-year residency periods in northern fur seals (Callorhinus ursinus) using stable isotope ratios in vibrissae and canine teeth. Northern fur seals migrate from the Bering Sea during summer months to lower latitudes and slightly warmer waters of the northeastern Pacific Ocean and California Current in the winter. To determine the length of time spent away from the Bering Sea, growth rate was estimated using the covarying oscillations ?13C and ?15N, estimated to be 0.09 mm/day. The ?13C and ?15N in vibrissae from 30 male fur seals showed a minimum of 13 separate periods of stable covariance covering 3.25+ cm, indicating at least 1 year in warmer, less productive waters of the northeastern Pacific Ocean. The vibrissae isotope ratios were used in conjunction with ?18O from tooth dentin growth layer groups of 20 male northern fur seals; they showed significant enrichment in ?18O in 50% of the animals at age 1-2 years, which indicates extended periods of time spent in lower latitudes in the North Pacific Ocean as ?18O is typically enriched in warmer, less productive waters. Significant changes in ?18O were found to be ̃0.2‰ enrichment per 10º south latitude, while longitude was found to have 0.2‰ enrichment per 50˚ East longitude. These data show that latitudinal changes, those related to the southerly migration from the Bering Sea to the northeastern Pacific Ocean, are a stronger factor in the shifts in dentinal ?18O than longitudinal shifts. These intermittent periods of occupation are important when estimating population abundance of northern fur seals, especially pups and juveniles.
Book Synopsis On the Habits of the Northern Fur Seal (Callorhinus Ursinus Gray) with a Description of the Pribyloff Group of Islands by : Ch Bryant
Download or read book On the Habits of the Northern Fur Seal (Callorhinus Ursinus Gray) with a Description of the Pribyloff Group of Islands written by Ch Bryant and published by . This book was released on 1870 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Population Data, Collection Procedures and Management of the Northern Fur Seal, Callorhinus Ursinus, of the Pribilof Islands, Alaska by : R. M. Engel
Download or read book Population Data, Collection Procedures and Management of the Northern Fur Seal, Callorhinus Ursinus, of the Pribilof Islands, Alaska written by R. M. Engel and published by . This book was released on 1980 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis STATUS REPORT ON THE NORTHERN FUR SEAL CALLORHINUS URSINUS IN CANADA by :
Download or read book STATUS REPORT ON THE NORTHERN FUR SEAL CALLORHINUS URSINUS IN CANADA written by and published by . This book was released on 1994 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Louse populations of the northern fur seal (Callorhinus ursinus) by : K.C. KIM
Download or read book Louse populations of the northern fur seal (Callorhinus ursinus) written by K.C. KIM and published by . This book was released on 1972 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Opportunistic Feeding of the Northern Fur Seal, Callorhinus Ursinus, in the Eastern Northern Pacific Ocean and Eastern Bering Sea by : Hiroshi Kajimura
Download or read book Opportunistic Feeding of the Northern Fur Seal, Callorhinus Ursinus, in the Eastern Northern Pacific Ocean and Eastern Bering Sea written by Hiroshi Kajimura and published by . This book was released on 1984 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt: Suggests that fur seals are opportunistic feeders preying on most available species throughout their range. Based on study of Pribilof Island population of northern fur seals which range from California to Bering Sea. Focuses on principal forage foods as based on stomach content volume and relative abundance of fishery resources in area.
Book Synopsis Human Impacts on Seals, Sea Lions, and Sea Otters by : Todd J. Braje
Download or read book Human Impacts on Seals, Sea Lions, and Sea Otters written by Todd J. Braje and published by Univ of California Press. This book was released on 2011-03-23 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: “The bones recovered from the middens of the northeastern Pacific shorelines have important stories to tell biologists, marine mammalogists, and those concerned with marine conservation. This volume unearths a wealth of information about the historical ecology of seals, sea lions, and sea otters in the North Pacific that spans thousands of years. It provides fascinating insights into how the world once looked, and how it may one day look again as seals, sea lions, and sea otters reclaim and recolonize their former haunts.”—Andrew Trites, Director, Marine Mammal Research Unit, University of British Columbia “Braje and Rick have assembled a compelling set of case studies on the long-term and complex interactions between people, marine mammals, and environments in the Northeast Pacific. The promise of zooarchaeology as historical science is on full display, as researchers use geochemistry, aDNA, morphometrics, and traditional analytic methods to address questions of utmost importance to the long-term health of coastal ecosystems. If this book doesn't convince conservation biology about the need to take the long view of animal histories and ecosystems into account in developing conservation management plans, I'm not sure what will.”—Virginia L. Butler, Department of Anthropology, Portland State University
