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Forests of Porto Rico

Forests of Porto Rico PDF Author: Louis Sutliffe Murphy
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 130

Book Description

Forests of Porto Rico

Forests of Porto Rico PDF Author: Louis Sutliffe Murphy
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 130

Book Description

Forests of Porto Rico

Forests of Porto Rico PDF Author: Andrew Robeson Whitson
Publisher:
ISBN:
Category : Agricultural extension work
Languages : en
Pages : 1104

Book Description

Puerto Rican Woods and Their Utilization

Puerto Rican Woods and Their Utilization PDF Author:
Publisher:
ISBN:
Category : Wood
Languages : en
Pages : 18

Book Description

Common Trees of Puerto Rico and the Virgin Islands

Common Trees of Puerto Rico and the Virgin Islands PDF Author: Elbert Luther Little
Publisher:
ISBN:
Category : Trees
Languages : en
Pages : 568

Book Description

Common Trees of Puerto Rico and the Virgin Islands: Common trees of Puerto Rico and the Virgin Islands

Common Trees of Puerto Rico and the Virgin Islands: Common trees of Puerto Rico and the Virgin Islands PDF Author: Elbert Luther Little
Publisher:
ISBN:
Category : Trees
Languages : en
Pages : 570

Book Description

USDA Forest Service Experimental Forests and Ranges

USDA Forest Service Experimental Forests and Ranges PDF Author: Deborah C. Hayes
Publisher: Springer
ISBN: 1461418186
Category : Science
Languages : en
Pages : 666

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.

Forest Regeneration in Porto Rico

Forest Regeneration in Porto Rico PDF Author: William Davies Durland
Publisher:
ISBN:
Category : Reforestation
Languages : en
Pages : 22

Book Description

Forest and Stream

Forest and Stream PDF Author:
Publisher:
ISBN:
Category : Birds
Languages : en
Pages : 580

Book Description

Catalogue of the Public Documents of the ... Congress and of All Departments of the Government of the United States for the Period from ... to ...

Catalogue of the Public Documents of the ... Congress and of All Departments of the Government of the United States for the Period from ... to ... PDF Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1328

Book Description

Catalogue of the Public Documents of the [the Fifty-third] Congress [to the 76th Congress] and of All Departments of the Government of the United States

Catalogue of the Public Documents of the [the Fifty-third] Congress [to the 76th Congress] and of All Departments of the Government of the United States PDF Author: United States. Superintendent of Documents
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 2822

Book Description

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