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Author: Georg Steller
Publisher: Lulu.com
ISBN: 1609620100
Category : History
Languages : en
Pages : 82
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Book Description
Steller's classic work, published in Latin in 1751 and in German in 1753, contains the only scientific description from life of the Steller's sea cow (Hydrodamalis gigas), as well as the first scientific descriptions of the fur seal or "sea bear" (Callorhinus ursinus), Steller's sea lion (Eumetopias jubatus), and the sea otter (Enhydra lutris). Steller's sea cow was a sirenian, or manatee, inhabiting the North Pacific Ocean and Bering Sea. It was first discovered by Europeans in 1741 and rendered extinct by 1768. It was a 30-foot long, plant-eating aquatic mammal, weighing up to 12 tons, that lived in large herds on the coasts of Alaska and Kamchatka. Steller made his observations as part of Vitus Bering's second voyage, during which the crew was shipwrecked for 9 months on Bering Island, from November 1741 to August 1742.
Author: Georg Steller
Publisher: Lulu.com
ISBN: 1609620100
Category : History
Languages : en
Pages : 82
Get Book Here
Book Description
Steller's classic work, published in Latin in 1751 and in German in 1753, contains the only scientific description from life of the Steller's sea cow (Hydrodamalis gigas), as well as the first scientific descriptions of the fur seal or "sea bear" (Callorhinus ursinus), Steller's sea lion (Eumetopias jubatus), and the sea otter (Enhydra lutris). Steller's sea cow was a sirenian, or manatee, inhabiting the North Pacific Ocean and Bering Sea. It was first discovered by Europeans in 1741 and rendered extinct by 1768. It was a 30-foot long, plant-eating aquatic mammal, weighing up to 12 tons, that lived in large herds on the coasts of Alaska and Kamchatka. Steller made his observations as part of Vitus Bering's second voyage, during which the crew was shipwrecked for 9 months on Bering Island, from November 1741 to August 1742.
Author: Georg Wilhelm Steller
Publisher: Stanford University Press
ISBN: 9780804721813
Category : History
Languages : en
Pages : 266
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Book Description
New translation based completely on a surviving copy of Steller's 1743 manuscript that details the exploration of Alaska.
Author: Helene Marsh
Publisher: Cambridge University Press
ISBN: 052188828X
Category : Nature
Languages : en
Pages : 543
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Book Description
A synthesis of the ecological and related knowledge pertinent to understanding the biology and conservation of dugongs and manatees.
Author: Joel Asaph Allen
Publisher:
ISBN:
Category : Aquatic animals
Languages : en
Pages : 808
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Book Description
Author: Allen
Publisher:
ISBN:
Category : Aquatic animals
Languages : en
Pages : 808
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Book Description
Author: Geological and Geographical Survey of the Territories (U.S.)
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 818
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Book Description
Author: Geological Society of London
Publisher:
ISBN:
Category : Electronic journals
Languages : en
Pages : 890
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Book Description
Vols. 1-108 include Proceedings of the society (separately paged, beginning with v. 30)
Author: Rob Jackson
Publisher: University of Texas Press
ISBN: 0292788649
Category : Nature
Languages : en
Pages : 209
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Book Description
Writing especially for people who've tuned out the environmental debate, Rob Jackson persuasively argues that we're at a crucial turning point in environmental history, where choices we make now will determine the quality of life into the unforeseeable future. Laying out the scientific facts in plain language and with flashes of humor, he shows how the escalation of population growth and resource consumption in the twentieth century caused problems from ozone depletion to global warming, habitat destruction, and biodiversity loss. At the same time, however, he highlights ongoing solutions to these problems and ways in which we can create a sustainable future for subsequent generations and all life on earth. His urgent message is not that we've already failed, but that we can succeed.
Author: Tim McClanahan
Publisher: Oxford University Press
ISBN: 0190295627
Category : Science
Languages : en
Pages : 248
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Book Description
Biologists have made significant advances in our understanding of the Earth's shallow subtidal marine ecosystems, but the findings on these disparate regions have never before been documented and gathered in a single volume. Now, in Food Webs and the Dynamics of Marine Reefs, Tim R. McClanahan and George M. Branch fill this lacuna with a comparative and comprehensive collection of nine essays written by experts on specific aquatic regions. Each essay focuses on the food webs of a respective ecosystem and the factors affecting these communities, from the intense and direct pressure of human influence on fisheries to the multi-vector contributors to climate change. The book covers nine shallow water marine ecosystems from selected areas throughout the world: four coral reef systems, three hard bottom systems, and two kelp systems. In summarizing their organization, human influence on them, and recent developments in these ecosystems, the authors contribute to our understanding of their ecological organization and management. Food Webs and the Dynamics of Marine Reefs will be a useful tool for all benthic marine investigators, providing an expert, comparative view of these aquatic regions.
Author:
Publisher: BRILL
ISBN: 9004323848
Category : Science
Languages : en
Pages : 1039
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Book Description
Interposed between the natural world in all its diversity and the edited form in which we encounter it in literature, imagery and the museum, lie the multiple practices of the naturalists in selecting, recording and preserving the specimens from which our world view is to be reconstituted. The factors that weigh at every stage are here dissected, analysed and set within a historical narrative that spans more than five centuries. During that era, every aspect evolved and changed, as engagement with nature moved from a speculative pursuit heavily influenced by classical scholarship to a systematic science, drawing on advanced theory and technology. Far from being neutrally objective, the process of representing nature is shown as fraught with constraint and compromise. With a Foreword by Sir David Attenborough Contributors are: Marie Addyman, Peter Barnard, Paul D. Brinkman, Ian Convery, Peter Davis, Felix Driver, Florike Egmond, Annemarie Jordan Gschwend, Geoff Hancock, Stephen Harris, Hanna Hodacs, Stuart Houston, Dominik Huenniger, Rob Huxley, Charlie Jarvis, Malgosia Nowak-Kemp, Shepard Krech III, Mark Lawley, Arthur Lucas, Marco Masseti, Geoff Moore, Pat Morris, Charles Nelson, Robert Peck, Helen Scales, Han F. Vermeulen, and Glyn Williams.
