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Author: Gustaf Adolph Pearson
Publisher:
ISBN:
Category : Forest experiment stations
Languages : en
Pages : 102
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Book Description
Author: Gustaf Adolph Pearson
Publisher:
ISBN:
Category : Forest experiment stations
Languages : en
Pages : 102
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Book Description
Author: Paul O. Rudolf
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 300
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Book Description
Author: Deborah C. Hayes
Publisher: Springer
ISBN: 1461418186
Category : Science
Languages : en
Pages : 666
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Book Description
USDA Forest Service Experimental Forests and Ranges (EFRs) are scientific treasures, providing secure, protected research sites where complex and diverse ecological processes are studied over the long term. This book offers several examples of the dynamic interactions among questions of public concern or policy, EFR research, and natural resource management practices and policies. Often, trends observed – or expected -- in the early years of a research program are contradicted or confounded as the research record extends over decades. The EFRs are among the few areas in the US where such long-term research has been carried out by teams of scientists. Changes in society’s needs and values can also redirect research programs. Each chapter of this book reflects the interplay between the ecological results that emerge from a long-term research project and the social forces that influence questions asked and resources invested in ecological research. While these stories include summaries and syntheses of traditional research results, they offer a distinctly new perspective, a larger and more complete picture than that provided by a more typical 5-year study. They also provide examples of long-term research on EFRs that have provided answers for questions not even imagined at the time the study was installed.
Author:
Publisher:
ISBN:
Category : Experimental forests
Languages : en
Pages : 188
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Book Description
Author: United States. Office of Experiment Stations
Publisher:
ISBN:
Category : Agricultural experiment stations
Languages : en
Pages : 1156
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Book Description
Author: U.S. Office of Experiment Stations
Publisher:
ISBN:
Category : Agricultural experiment stations
Languages : en
Pages : 1182
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Book Description
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 172
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Book Description
Author: Gustaf Adolph Pearson
Publisher:
ISBN:
Category : Forest management
Languages : en
Pages : 232
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Book Description
Ponderosa pine (Pinus ponderosa) is the most widely distributed conifer in North America, and one of the most valuable. Commercial stands of the species are found in all of the 15 States which lie wholly or in part west of the 102d merinian, and in all but one it rank among the most important lumber producers. In the Southwest, ponderosa pine is of particular importance since this one species makes up 88 percent of the standing saw-timber volume in the two States of Arizona and New Mexico.
Author:
Publisher:
ISBN:
Category : Electronic journals
Languages : en
Pages : 986
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Book Description
List of members of the society in v. 15- .
Author: United States. National Archives and Records Administration
Publisher:
ISBN:
Category : Public records
Languages : en
Pages : 936
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Book Description
