The National Union Catalog, Pre-1956 Imprints PDF Download
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Author:
Publisher:
ISBN:
Category : Union catalogs
Languages : en
Pages : 712
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Book Description
Author:
Publisher:
ISBN:
Category : Union catalogs
Languages : en
Pages : 712
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Book Description
Author: Stuart A. Welsh
Publisher: Ohio University Press
ISBN: 0821426117
Category : Science
Languages : en
Pages : 311
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Book Description
A collection of essays on nature, naturalists, and the natural history of fishes in central Appalachia. A nature lover’s paradise, central Appalachia supports a diversity of life in an extensive network of waterways and is home to a dazzling array of fish species. This book focuses not only on the fishes of central Appalachia but also on the fascinating things these fishes do in their natural habitats. An ecological dance unfolds from a species and population perspective, although the influence of the community and the ecosystem also figures in the text. Stuart A. Welsh’s essays link central Appalachian fishes with the complexities of competition and predation, species conservation, parasitic infections, climate change, public attitudes, reproductive and foraging ecology, unique morphology, habitat use, and nonnative species. The book addresses a selection of the families of central Appalachian fishes, including lampreys, gars, freshwater eels, pikes, minnows, suckers, catfishes, trouts, trout-perches, sculpins, sunfishes, and perches. These essays often refer to the works of naturalists who contributed to our knowledge of nature during previous centuries and who recorded their discoveries when science writing was less concise than it is today. Although many of these works are nearly forgotten, these early naturalists built a strong knowledge base that supports much of our current science and thus merits reexamination. Most people are not scientists, but many have an interest in nature and are, in their own way, naturalists. This book is for those people willing to peer beneath the water’s surface.
Author: Academy of Natural Sciences of Philadelphia. Library
Publisher:
ISBN:
Category : Natural history
Languages : en
Pages : 762
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Book Description
Author:
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Category : American literature
Languages : en
Pages : 420
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Book Description
Author: United States. Department of the Interior. Library
Publisher:
ISBN:
Category : Library catalogs
Languages : en
Pages : 898
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Author:
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Category : Industries
Languages : en
Pages : 244
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Book Description
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Category : Birds
Languages : en
Pages : 542
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Book Description
Author: Henry Francis du Pont Winterthur Museum. Libraries
Publisher:
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Category : Architecture
Languages : en
Pages : 536
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Book Description
Author: R.R. Bowker Company. Department of Bibliography
Publisher:
ISBN:
Category : United States
Languages : en
Pages : 928
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Book Description
Author: Alan Bruce McCullough
Publisher: National Historic Parks and Sites, Environment Canada
ISBN:
Category : Nature
Languages : en
Pages : 166
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Book Description
During the 19th century, the Great Lakes supported the largest freshwater fishery in the world. Today, as a result of intensive fishing and environmental changes, the fishery is very different. This paper examines the history of the commercial fishery on the Canadian Great Lakes, emphasizing the development and interaction of technological change, economic organization, and resource management. A commercial fishery is defined as one in which fish are caught almost exclusively for sale in contrast to a subsistence fishery or a sport fishery. The paper covers pre-Confederation and post-Confederation legislation and regulations; technological developments in fishing gear, boats, and processing and marketing; changes in fish stocks; federal, provincial and international jurisdictions; the economic impact of the fishery; and the different types of fisheries (commercial, subsistence, and sport).
