The Odonata of Canada and Alaska

The Odonata of Canada and Alaska PDF

Author: Edmund M. Walker

Publisher: University of Toronto Press

Published: 1975-01-01

Total Pages:

ISBN-13: 1442638788

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Dr. Walker and Dr. Corbet make a signal contribution in gathering together all available information on the dragonflies of Canada and Alaska. The order as a whole and the zygoptera are covered. The treatment is not confined to taxonomy and geographical distribution, but includes data on habitats, seasons of adult life, and brief notes on habits when these are available.

The Geobiology and Ecology of Metasequoia

The Geobiology and Ecology of Metasequoia PDF

Author: Ben A. LePage

Publisher: Springer Science & Business Media

Published: 2005-03-30

Total Pages: 466

ISBN-13: 9781402026317

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The plant fossil record indicates that the genus Metasequoia was widely distributed throughout the Northern Hemisphere from the early Late Cretaceous to the Plio-Pleistocene. Today the genus has shrunk to one species with approximately 5,000 mature individuals in southeastern China’s Xiahoe Valley. This book distills the current understanding of the biology, ecology and physiology of fossil and living Metasequoia, current research directions and problems that remain unresolved.

Elsevier's Dictionary of Trees

Elsevier's Dictionary of Trees PDF

Author: M.M. Grandtner

Publisher: Elsevier

Published: 2005-04-08

Total Pages: 1529

ISBN-13: 9780080460185

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This dictionary will present all currently accepted generic, specific, sub-specific and variety names of trees, excluding fossil and more recently extinct taxa, hybrids and cultivars. Only the indigenous trees of a continent, those wild species that were natural elements of the spontaneous forest vegetation before the arrival of Europeans or other colonizers, are included. Each generic entry includes the family to which it is assigned, the synonyms of the Latin name, and the English, French, Spanish, trade and other names. For the English and French names the standard name is listed first, followed by other available names with, in parentheses, the countries where they are used. Where appropriate, names in additional languages are also included. Each infrageneric (species, subspecies, variety) entry includes, in addition, the distribution, height, type of foliage, ecological characteristics and main uses of the tree when available. In this volume only taxa indigenous on the North American continent are included, considered in a geographical, not in a political sense. This means from Alaska and Greenland to Panama, including Caribbean, but excluding Hawaii.