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Author: Raptor Research Foundation
Publisher:
ISBN:
Category : Birds
Languages : en
Pages : 302
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Book Description
Author: Raptor Research Foundation
Publisher:
ISBN:
Category : Birds
Languages : en
Pages : 302
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Book Description
Author: Alan F. Poole
Publisher: Johns Hopkins University Press
ISBN: 142142715X
Category : Science
Languages : en
Pages : 221
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Book Description
A fascinating look at one of the greatest conservation success stories of the modern era: the wildly popular, unique, and thrilling raptor, the Osprey. Ospreys are one of the few bird species that are found throughout the world. From forests in Hokkaido to rivers in Oregon and islands off Australia, Ospreys steal the show as nature lovers easily watch them build their massive nests and tend to their young. The fact that the Osprey is one of the few large birds that can hover adds to its mystique, and to watch it plunge into the water, emerging with a fish clutched in its talons, is truly a sight one will remember. As widespread as Ospreys are, not long ago they were under threat of extinction. During the 1950s and '60s, scientists tied the decline of Osprey populations to the heavy use of DDT and other human pollutants. In the 1980s, Ospreys began a slow recovery due to the efforts of conservationists and through the resilience of the adaptable raptors themselves. Today they are again considered common in most parts of the world, although some populations remain threatened. In this gorgeously illustrated book, Alan F. Poole, one of America's premier Osprey experts, has written a lyrical exposé of these majestic creatures, describing their daily habits and exploring their relationship with the environment. Ospreys celebrates the species' miraculous recovery from contaminants and hunters, chronicles their spectacular long-distance migrations, and unveils their vital role in bringing life to coastal habitats. Few other birds have such a hold on the human imagination. This book shows us why.
Author: International Biological Programme
Publisher:
ISBN:
Category : Biotic communities
Languages : en
Pages : 298
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Book Description
Author: Keith L. Bildstein
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 474
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Book Description
« Think about how we know about past events in human history (e.g., the expansion of the Roman Empire, or the American Revolution). What types of records document those events? Now think about Earth's history, specifically the past environmental or climatic conditions at times before recorded human history. What records might there be of such conditions? Make a list of your ideas. n assemblage of five major types of natural archives of Earth's environmental and climatic history. What common feature(s) do each of these paleoclimate archives share? an assemblage of 5 major types of natural records, or archives, of Earth's environmental and climatic history. Just like a diary or other historical document, the layers in these natural archives contain indirect evidence (i.e., proxies) about past conditions and events, recorded in a sequential order. The evidence is specific to a certain time period and may be general or very detailed, depending on the rate that information was recorded. The faster the rate at which the recorder grew (trees and corals), accumulated (snow and ice), or was deposited (sedimentary sequences), the more detailed the record is, and the higher its resolution. For example, a record in which an annual signal can observed has a very high resolution. In contrast, if the finest observable details are on the order of a million years, then that record would have a low resolution. »--
Author:
Publisher:
ISBN:
Category : Birds
Languages : en
Pages : 832
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Author: Byron Eugene Harrell
Publisher:
ISBN:
Category :
Languages : en
Pages : 30
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Book Description
Author: United States. Energy Research and Development Administration
Publisher:
ISBN:
Category : Power resources
Languages : en
Pages : 780
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Author:
Publisher:
ISBN:
Category : Wildlife conservation
Languages : en
Pages : 554
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Author: United States. Energy Research and Development Administration
Publisher:
ISBN:
Category : Power resources
Languages : en
Pages : 796
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Book Description
Author: United States. Energy Research and Development Administration. Technical Information Center
Publisher:
ISBN:
Category : Force and energy
Languages : en
Pages : 788
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Book Description
