Natural Regeneration of Swamp Black Spruce in Minnesota Under Various Cutting Systems (Classic Reprint) PDF Download
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Author: Miron L. Heinselman
Publisher: Forgotten Books
ISBN: 9780428719821
Category : Business & Economics
Languages : en
Pages : 30
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Book Description
Excerpt from Natural Regeneration of Swamp Black Spruce in Minnesota Under Various Cutting Systems However, when the evidence is correlated with previous work at the Station and elsewhere, plus silvical information on the species, a pattern emerges. Any silvicultural system must provide for satisfactory regenera tion or ultimately it will fail. Of course, growth and yield of the stands, and costs and returns for the total operation are also crucial factors in choosing a cutting system. But economic decisions are only as sound as the biological information upon which they rest. This report is intended primarily as a contribution to silvicultural knowl edge of the regeneration phase of swamp spruce management. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Miron L. Heinselman
Publisher: Forgotten Books
ISBN: 9780428719821
Category : Business & Economics
Languages : en
Pages : 30
Get Book
Book Description
Excerpt from Natural Regeneration of Swamp Black Spruce in Minnesota Under Various Cutting Systems However, when the evidence is correlated with previous work at the Station and elsewhere, plus silvical information on the species, a pattern emerges. Any silvicultural system must provide for satisfactory regenera tion or ultimately it will fail. Of course, growth and yield of the stands, and costs and returns for the total operation are also crucial factors in choosing a cutting system. But economic decisions are only as sound as the biological information upon which they rest. This report is intended primarily as a contribution to silvicultural knowl edge of the regeneration phase of swamp spruce management. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Miron L. Heinselman
Publisher:
ISBN:
Category : Black spruce
Languages : en
Pages : 28
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Book Description
Author: David N. Kee
Publisher:
ISBN:
Category : Forest management
Languages : en
Pages : 20
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Book Description
Author: Russell K. Le Barron
Publisher:
ISBN:
Category : Black spruce
Languages : en
Pages : 66
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Book Description
Author: Ontario. Ministry of Natural Resources
Publisher:
ISBN:
Category : Aspen
Languages : en
Pages : 164
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Book Description
Author: Harold Scofield Betts
Publisher:
ISBN:
Category : Longleaf pine
Languages : en
Pages : 16
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Book Description
Author: Bernhard Eduard Fernow
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 538
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Book Description
Author: Mary D. Davis
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 158
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Book Description
Author: National Research Council
Publisher: National Academies Press
ISBN: 9780309045346
Category : Technology & Engineering
Languages : en
Pages : 580
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Book Description
Aldo Leopold, father of the "land ethic," once said, "The time has come for science to busy itself with the earth itself. The first step is to reconstruct a sample of what we had to begin with." The concept he expressedâ€"restorationâ€"is defined in this comprehensive new volume that examines the prospects for repairing the damage society has done to the nation's aquatic resources: lakes, rivers and streams, and wetlands. Restoration of Aquatic Ecosystems outlines a national strategy for aquatic restoration, with practical recommendations, and features case studies of aquatic restoration activities around the country. The committee examines: Key concepts and techniques used in restoration. Common factors in successful restoration efforts. Threats to the health of the nation's aquatic ecosystems. Approaches to evaluation before, during, and after a restoration project. The emerging specialties of restoration and landscape ecology.
Author: D. C. West
Publisher: Springer Science & Business Media
ISBN: 1461259509
Category : Science
Languages : en
Pages : 530
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Book Description
Succession-nothing in plant, community, or ecosystem ecology has been so elaborated by terminology, so much reviewed, and yet so much the center of controversy. In a general sense, every ecologist uses the concept in teaching and research, but no two ecologists seem to have a unified concept of the details of succession. The word was used by Thoreau to describe, from a naturalist's point of view, the general changes observed during the transition of an old field to a forest. As data accumulated, a lengthy taxonomy of succession developed around early twentieth century ecologists such as Cooper, Clements, and Gleason. Now, nearer the end of the century, and after much discussion concerning the nature of vegetation communities, where do ecologists stand with respect to knowledge of ecological succession? The intent of this book is not to rehash classic philosophies of succession that have emerged through the past several decades of study, but to provide a forum for ecologists to present their current research and present-day interpretation of data. To this end, we brought together a group of scientists currently studying terrestrial plant succession, who represent research experience in a broad spectrum of different ecosystem types. The results of that meeting led to this book, which presents to the reader a unique summary of contemporary research on forest succession.
