Compression Wood In Gymnosperms
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Compression Wood In Gymnosperms
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Author : Tore E. Timell
language : en
Publisher: Springer
Release Date : 1986-09-01
Compression Wood In Gymnosperms written by Tore E. Timell and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986-09-01 with Technology & Engineering categories.
Felix qui potuit rerum cognoscere causas. Pub/ius Vergilius Mara Forests have long been one of mankind's most important natural re sources and not the least because forests are, if properly managed, re newable. They serve us in many different ways, but above all in pro viding us with wood, one of the most remarkable and useful of all natural materials. Reaction wood, compression wood in gymnosperms and tension wood in the arboreal angiosperms, serves the function of making it possible for trees to perform movements. In the ancient Ginkgo and in the conifers, the ability to form compression wood is of vital importance to each and every tree. Compression wood plays a crucial role in the regulation of tree form in these gymnosperms, and their arborescent habit probably depends on their ability to develop this tissue. Few forest and plantation trees are devoid of compression wood in their stem, and all of them have it in their branches. Unfortu nately, what is necessary and beneficial for the tree in this case is harmful to mankind, for compression wood is a very serious defect in both sawtimber and pulpwood. It is now almost 20 years since the last complete survey of compres sion wood was published, namely Arthur H. Westing's excellent review of this subject. My major objective in writing the present book has been to bring together in one single work everything that is currently known about compression wood.
Compression Wood In Gymnosperms
DOWNLOAD
Author : Tore E. Timell
language : en
Publisher: Springer
Release Date : 1986-09-01
Compression Wood In Gymnosperms written by Tore E. Timell and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986-09-01 with Technology & Engineering categories.
Felix qui potuit rerum cognoscere causas. Pub/ius Vergilius Mara Forests have long been one of mankind's most important natural re sources and not the least because forests are, if properly managed, re newable. They serve us in many different ways, but above all in pro viding us with wood, one of the most remarkable and useful of all natural materials. Reaction wood, compression wood in gymnosperms and tension wood in the arboreal angiosperms, serves the function of making it possible for trees to perform movements. In the ancient Ginkgo and in the conifers, the ability to form compression wood is of vital importance to each and every tree. Compression wood plays a crucial role in the regulation of tree form in these gymnosperms, and their arborescent habit probably depends on their ability to develop this tissue. Few forest and plantation trees are devoid of compression wood in their stem, and all of them have it in their branches. Unfortu nately, what is necessary and beneficial for the tree in this case is harmful to mankind, for compression wood is a very serious defect in both sawtimber and pulpwood. It is now almost 20 years since the last complete survey of compres sion wood was published, namely Arthur H. Westing's excellent review of this subject. My major objective in writing the present book has been to bring together in one single work everything that is currently known about compression wood.
Compression Wood In Gymnosperms
DOWNLOAD
Author : Tore E. Timell
language : en
Publisher:
Release Date : 1986
Compression Wood In Gymnosperms written by Tore E. Timell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.
Compression Wood In Gymnosperms Occurrence Of Stem Branch And Root Compression Woods
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Author : Tore E. Timell
language : en
Publisher:
Release Date : 1986
Compression Wood In Gymnosperms Occurrence Of Stem Branch And Root Compression Woods written by Tore E. Timell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Compression wood categories.
Compression Wood In Gymnosperms Ecology Of Compression Wood Formation Silviculture And Compression Wood
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Author : Tore E. Timell
language : en
Publisher:
Release Date : 1986
Compression Wood In Gymnosperms Ecology Of Compression Wood Formation Silviculture And Compression Wood written by Tore E. Timell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Compression wood categories.
Formation And Function Of Compression Wood In Gymnosperms
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Author : Arthur H. Westing
language : en
Publisher:
Release Date : 1965
Formation And Function Of Compression Wood In Gymnosperms written by Arthur H. Westing and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1965 with categories.
Compression Wood In Gymnosperms
DOWNLOAD
Author : Tore E. Timell
language : en
Publisher:
Release Date : 1986
Compression Wood In Gymnosperms written by Tore E. Timell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.
Compression Wood In Gymnosperms 2 Occurrence Of Stem Branch And Root Compression Woods Factors Causing Formation Of Compression Wood Gravitropism And Compression Wood Physiology Of Compression Wood Formation Inheritance Of Compression Wood
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Author : Tore E. Timell
language : en
Publisher:
Release Date : 1986
Compression Wood In Gymnosperms 2 Occurrence Of Stem Branch And Root Compression Woods Factors Causing Formation Of Compression Wood Gravitropism And Compression Wood Physiology Of Compression Wood Formation Inheritance Of Compression Wood written by Tore E. Timell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.
Compression Wood In Gymnosperms 1 Bibliography Historical Background Determination Structure Chemistry Topochemistry Physical Properties Origin And Formation Of Compression Wood
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Author : Tore E. Timell
language : en
Publisher:
Release Date : 1986
Compression Wood In Gymnosperms 1 Bibliography Historical Background Determination Structure Chemistry Topochemistry Physical Properties Origin And Formation Of Compression Wood written by Tore E. Timell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Compression wood categories.
The Biology Of Reaction Wood
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Author : Barry Gardiner
language : en
Publisher: Springer Science & Business Media
Release Date : 2014-01-08
The Biology Of Reaction Wood written by Barry Gardiner and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-01-08 with Nature categories.
The book is a fundamental reference source on reaction wood for wood scientists and technologists, plant biologists, silviculturists, forest ecologists, and anyone involved in the growing of trees and the processing of wood. It brings together our current understanding of all aspects of reaction wood, and is the first book to discuss both compression wood and tension wood. Trees produce reaction wood to maintain the vertical orientation of their stems and the optimum angle of each branch. They achieve this by laying down fibre cell walls in which differences in physical and chemical structure from those of normal fibres are expressed as differential stresses across the stem or branch. This process, while of obvious value for the survival of the tree, causes serious problems for the utilisation of timber. Timber derived from trees containing significant amounts of reaction wood is subject to dimensional instability on drying, causing twisting, bending and splitting. It is also difficult to work as timber, and for the pulp and paper industry the cost of removing the increased amount of lignin in compression wood is substantial. This has both practical and economic consequences for industry. Understanding the factors controlling reaction wood formation and its effect on wood structure is therefore fundamental to our understanding of the adaptation of trees to their environment and to the sustainable use of wood. The topics covered include: -Morphology, anatomy and ultrastructure of reaction wood -Cell-wall polymers in reaction wood and their biosynthesis -Changes in tree proteomes during reaction wood formation -The biomechanical action and biological functions of reaction wood - Physical and mechanical properties of reaction wood from the scale of cell walls to planks -The detection and characterisation of compression wood -Effects of reaction wood on the performance of wood and wood-based products - Commercial implications of reaction wood and the influence of forest management on its formation