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Harvesting Operations in the Tropics

  • Book
  • © 2007

Overview

Editors:
  1. John Sessions

    1. Department of Forest Engineering, Oregon State University, Corvallis, USA

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  • Most complete reference book on harvesting operations in the tropics
  • Includes supplementary material: sn.pub/extras

Part of the book series: Tropical Forestry (TROPICAL)

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Table of contents (11 chapters)

  1. Front Matter

    Pages I-XIII
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  2. Introduction

    Pages 1-6

  3. Planning

    Pages 7-21

  4. Organization, Administration, and Labor Productivity

    Pages 23-32

  5. Felling

    Pages 33-66

  6. Animal Skidding

    Pages 67-73

  7. Ground-Based Mechanized Skidding and Forwarding

    Pages 75-109

  8. Cable and Helicopter Yarding Systems

    Pages 111-128

  9. Loading

    Pages 129-136

  10. Transport

    Pages 137-154

  11. Appropriate Harvesting Technology

    Pages 155-158

  12. Concluding Comments

    Pages 159-159

  13. Back Matter

    Pages 162-170
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Keywords

About this book

Harvesting includes all the activities to fell trees and remove them from the forest to the roadside for loading and transport from the forest. Harvesting and extraction operations are the activities that generally cause the most significant impacts on forest managed for timber production. Sustainable forest mana- ment is concerned with management of forests in such a way as to control the impacts associated with harvesting and timber extraction. Harvesting and extraction for sustainable timber production in natural forests are not to be confused with logging associated with land conversion activities such as c- version to permanent or temporary agriculture, pasture land, or domesticated trees. Much of the impact of harvesting and extracting can be reduced through proper planning and control of harvesting operations using principles, s- tems, and techniques common to temperate forests. However, many areas of the tropics pose unique operating conditions: heat, high humidity, hi- intensity precipitation, occurrence of certain diseases, and lack of rock for su- able road surfacing. In natural forests, clear felling is rarely practiced, and many species are the rule with few commercial species on any hectare; thus, log removals per unit area are low.

Editors and Affiliations

  • Department of Forest Engineering, Oregon State University, Corvallis, USA

    John Sessions

About the editor

John Sessions is University Distinguished Professor and Stewart Professor of Forest Engineering at Oregon State University. His forestry career spans five decades, forest operations on five continents, including experience in each of the main tropical forest regions. He has demonstrated logging methods in Jamaica, was harvesting manager in the Amazon, conducted reduced impact logging evaluations in Malaysia, transportation planning workshops in Africa and logging feasibility studies throughout tropical Latin America from Costa Rica and Colombia to northwest Argentina. He is joined by coauthors who have a combined experience in more than 60 countries.

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