cvr_itto 4/10/02 10:06 AM Page 1 Technical Report Phase I 1997-2001 Technical Technical Report Phase I 1997-2001 ITTO PROJECT PD 12/97 REV.1 (F) Forest, Science and Sustainability: The Bulungan Model Forest ITTO project PD 12/97 Rev. 1 (F) project PD 12/97 Rev. ITTO ITTO Copyright © 2002 International Tropical Timber Organization International Organization Center, 5th Floor Pacifico - Yokohama 1-1-1 Minato - Mirai, Nishi - ku Yokohama - City, Japan 220-0012 Tel. : +81 (45) 2231110; Fax: +81 (45) 2231110 E-mail:
[email protected] Web site: http://www.itto.or.jp Center for International Forestry Research Mailing address: P.O. Box 6596 JKPWB, Jakarta 10065, Indonesia Office address: Jl. CIFOR, Situ Gede, Sindang Barang, Bogor Barat 16680, Indonesia Tel.: +62 (251) 622622; Fax: +62 (251) 622100 E-mail:
[email protected] Web site: http://www.cifor.cgiar.org Financial support from the International Tropical Timber Organization (ITTO) through the Project PD 12/97 Rev.1 (F), Forest, Science and Sustainability: The Bulungan Model Forest is gratefully acknowledged ii chapter00 2 4/8/02, 2:50 PM Contents Acronyms and Abbreviations iv Foreword vi Acknowledgements viii Executive summary ix 1. Introduction 1 2. Overview of Approaches and Methods 4 3. General Description of the Bulungan Research Forest 8 4. Research on Logging 23 4.a. Comparison of Reduced-Impact Logging and Conventional Logging Techniques 23 4.b. Reduced-Impact Logging in Indonesian Borneo: Some Results Confirming the Need for New Silvicultural Prescriptions 26 4.c. Cost-benefit Analysis of Reduced-Impact Logging in a Lowland Dipterocarp Forest of Malinau, East Kalimantan 39 5.