Natural History of the Phlox Family PDF Download
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Author: Verne Grant
Publisher: Springer
ISBN: 9401760772
Category : Science
Languages : en
Pages : 295
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Book Description
Author: Verne Grant
Publisher: Springer
ISBN: 9401760772
Category : Science
Languages : en
Pages : 295
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Book Description
Author: James H. Locklear
Publisher: Timber Press
ISBN: 0881929344
Category : Gardening
Languages : en
Pages : 341
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Book Description
An in-depth look at the 61 different species of phlox (Høstfloks).
Author: Allan A. Schoenherr
Publisher: Univ of California Press
ISBN: 0520295110
Category : Nature
Languages : en
Pages : 632
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Book Description
In this comprehensive and abundantly illustrated book, Allan A. Schoenherr describes the natural history of California—a state with a greater range of landforms, a greater variety of habitats, and more kinds of plants and animals than any area of equivalent size in all of North America. A Natural History of California focuses on each distinctive region, addressing its climate, rocks, soil, plants, and animals. The second edition of this classic work features updated species names and taxa, new details about parks reclassified by federal and state agencies, new stories about modern human and animal interaction, and a new epilogue on the impacts of climate change.
Author: Allan A. Schoenherr
Publisher: Univ of California Press
ISBN: 0520239180
Category : History
Languages : en
Pages : 504
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Book Description
A book on California's islands that deals with their natural history and geology as well as the history of human habitation.
Author: Maarten J. M. Christenhusz
Publisher: University of Chicago Press
ISBN: 022653670X
Category : Nature
Languages : en
Pages : 801
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Book Description
Plants of the World is the first book to systematically explore every vascular plant family on earth—more than four hundred and fifty of them—organized in a modern phylogenetic order. Detailed entries for each family include descriptions, distribution, evolutionary relationships, and fascinating information on economic uses of plants and etymology of their names. All entries are also copiously illustrated in full color with more than 2,500 stunning photographs. A collaboration among three celebrated botanists at the Royal Botanic Gardens, Kew, Plants of the World is authoritative, comprehensive, and beautiful. Covering everything from ferns to angiosperms, it will be an essential resource for practicing botanists, horticulturists, and nascent green thumbs alike.
Author:
Publisher:
ISBN:
Category : Natural history
Languages : en
Pages : 302
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Book Description
Author: Walter H. Lewis
Publisher: Springer Science & Business Media
ISBN: 1461330696
Category : Medical
Languages : en
Pages : 576
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Book Description
Polyploidy as a dramatic mutational event in the process of evolution has wide implications in nature and for the generation of new and improved crops. The three day Conference on POLYPLOIDY: BIOLOGICAL RELEVANCE focused on three aspects of this natural phenomenon: the first emphasized the characteristics of polyploidy, the second described the occurrence of polyploidy among plants and animals, and the third considered past and future areas of both fundamental and pragmatic research that involve polyploidy. New information relative to origin, cytogenetics, ecology, physiology, biochemistry, and populational studies stress the need to reexamine current views on the origins of polyploidy and its significance among both plants and animals. There are major differences in the occurrence of polyploidy between. plant groups and it is proving a much more common event among bisexual vertebrates than heretofore considered possible. Crop development and improvement must utilize approaches based fundamentally on more natural systems; in fact future research should focus more on polyploidy as a natural phenomenon that needs study at all levels of endeavor from field-oriented populational aspects to sophisticated molecular analyses and genome manipulations. This volume provides a summary of current knowledge of polyploidy pertinent to botanists, zoologists, and agriculturists who are interested in the evolution o~natural systems and who are concerned with the contribution that crop improvement can make to human well-being. Walter H. Lewis St. Louis, Missouri October, 1979 v ACKNOWLEDGMENTS The Host Committee thanks all speakers and moderators for their generous contribution to the Conference and to this volume.
Author: United States. Committee on Environmental Studies for Project Chariot
Publisher:
ISBN:
Category : Travel
Languages : en
Pages : 1272
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Book Description
A complete environmental study of the area for Project Chariot, Plowshare Program. Covers physical and bioenvironmental aspects of the land, the coast, the Chukchi sea; the people, radioactivity in the area.
Author:
Publisher:
ISBN:
Category : Natural history
Languages : en
Pages : 750
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Book Description
Author: Committee on Scientific Issues in the Endangered Species Act
Publisher: National Academies Press
ISBN: 0309568811
Category : Science
Languages : en
Pages : 289
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Book Description
The Endangered Species Act (ESA) is a far-reaching law that has sparked intense controversies over the use of public lands, the rights of property owners, and economic versus environmental benefits. In this volume a distinguished committee focuses on the science underlying the ESA and offers recommendations for making the act more effective. The committee provides an overview of what scientists know about extinction--and what this understanding means to implementation of the ESA. Habitat--its destruction, conservation, and fundamental importance to the ESA--is explored in detail. The book analyzes Concepts of species--how the term "species" arose and how it has been interpreted for purposes of the ESA. Conflicts between species when individual species are identified for protection, including several case studies. Assessment of extinction risk and decisions under the ESA--how these decisions can be made more effectively. The book concludes with a look beyond the Endangered Species Act and suggests additional means of biological conservation and ways to reduce conflicts. It will be useful to policymakers, regulators, scientists, natural-resource managers, industry and environmental organizations, and those interested in biological conservation.
