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Reduce impact logging in East Kalimantan: first results of STREK project

Sist Plinio, Bertault Jean-Guy. 1995. Reduce impact logging in East Kalimantan: first results of STREK project. In : Training workshop on natural forest management and logging practices. Part 3 : Danum valley field center, Sabah, Malaysia, 24-29 July 1995. South Pacific forestry development programme. s.l. : s.n., 14 p. Training workshop on natural forest management and logging practices, Sabah, Malaisie, 24 July 1995/29 July 1995.

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Abstract : In East Kalimantan (Indonesia), effects of logging were investigated both in terms of commercial timber volume extracted and impact on the residual stand. Two logging techniques, conventional and Reduce Impact Logging (RIL), were compared on the basis of pre- and post-harvesting stand inventories. Timber volume extracted averaged 87 m3/ha and the resulting commercial volume was 46 m3/ha . On average, logging damage affected 40% of the trees (dbh > 10 cm), injured and dead trees were recorded in equivalent proportions (21 % and 19% respectively). Generally, felling resulted in tree injuries especially, crown damage, whereas skidding killed trees, usually by uprooting. Damage from RIL was significantly lower (30.5 % of affected trees) than from conventional methods (48.1 %). This study demonstrated that the impact of logging on trees can be substantially reduced by strict supervision and planning of logging operations and, limit of harvesting intensity, which should not exceed 6 to 7 stems/ha (ie commercial volume < 35 m3/ha) . If these technical recommendations are followed, it is possible to reduce logging damage by 20% equivalent to maintaining about 100 stems/ha (dbh > 10 cm) undamaged by logging. (Résumé d'auteur)

Mots-clés géographiques Agrovoc : Indonésie

Classification Agris : K10 - Forestry production
P01 - Nature conservation and land resources

Auteurs et affiliations

  • Sist Plinio, CIRAD-Forêt (IDN)
  • Bertault Jean-Guy, CIRAD-Forêt (IDN)

Autres liens de la publication

Source : Cirad - Agritrop (https://agritrop.cirad.fr/476913/)

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