Production Rates In Commercial Thinning Of Young Growth Douglas Fir
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Production Rates In Commercial Thinning Of Young Growth Douglas Fir
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Author : Thomas Cooper Adams
language : en
Publisher:
Release Date : 1967
Production Rates In Commercial Thinning Of Young Growth Douglas Fir written by Thomas Cooper Adams and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Douglas fir categories.
Production Rates In Commercial Thinning Of Young Growth Douglas Fir
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Author : Thomas Cooper Adams
language : en
Publisher:
Release Date : 1967
Production Rates In Commercial Thinning Of Young Growth Douglas Fir written by Thomas Cooper Adams and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Douglas fir categories.
U S Forest Service Research Paper Pnw
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Author :
language : en
Publisher:
Release Date : 1965
U S Forest Service Research Paper Pnw written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1965 with Forests and forestry categories.
Usda Forest Service General Technical Report Pnw
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Author :
language : en
Publisher:
Release Date : 1978
Usda Forest Service General Technical Report Pnw written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Forests and forestry categories.
The Foresters Almanac 1977
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Author :
language : en
Publisher:
Release Date : 1977
The Foresters Almanac 1977 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Forests and forestry categories.
Response To Commercial Thinning In A 110 Year Old Douglas Fir Stand
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Author : Richard L. Williamson
language : en
Publisher:
Release Date : 1982
Response To Commercial Thinning In A 110 Year Old Douglas Fir Stand written by Richard L. Williamson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Douglas fir categories.
Silvicultural Options For Young Growth Douglas Fir Forests
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Author :
language : en
Publisher:
Release Date : 2004
Silvicultural Options For Young Growth Douglas Fir Forests written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Douglas fir categories.
This report describes the origin, design, establishment and measurement procedures and first results of a large long-term cooperative study comparing a number of widely different silvicultural regimes applied to young-growth Douglas-fir (Pseudotsuga menziesii) stands managed for multiple objectives. Regimes consist of (1) conventional clearcutting followed by intermediate thinning; (2) retention of reserve trees to create a two-aged stand; (3) small patch cuts dispersed within a thinned matrix, repeated at approximately 15-year intervals to create a mosaic of age classes; (4) group selection within a thinned matrix on an approximate 15-year cycle; (5) continued thinning on an extended rotation; and (6) an untreated control. Each of these regimes is on operationsize units (about 30 to 70 acres each). Output variables to be evaluated include conventional timber growth and yield statistics, harvest costs, sale layout and administration costs, aesthetic effects and public acceptance, soil disturbance, bird populations, and economic aspects. Descriptive statistics and some initial results are presented for the first replicate, established in 1997-98.
Forest Economics Research At The Pacific Northwest Research Station To 2000
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Author : Donald F. Flora
language : en
Publisher:
Release Date : 2003
Forest Economics Research At The Pacific Northwest Research Station To 2000 written by Donald F. Flora and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Forest management categories.
The contributions for over 80 years by scientists at the Pacific Northwest Research Station to developments in economic theory, economic tools, policies, and economic issues are summarized. This is a story of progressive accomplishments set against a constantly changing background of economic and social events.
General Technical Report Pnw Gtr
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Author :
language : en
Publisher:
Release Date : 2002
General Technical Report Pnw Gtr written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Forests and forestry categories.
An Annotated Bibliography Of Thinning Literature
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Author : Bryce J. Stokes
language : en
Publisher:
Release Date : 1992
An Annotated Bibliography Of Thinning Literature written by Bryce J. Stokes and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Forest thinning categories.